Ambient internet of things device control information communication
By using separate physical control channels and MAC-CE for control information transmission and reception, the method addresses the challenge of efficient and reliable communication in ambient IoT devices, enhancing network efficiency and reliability.
Patent Information
- Application Number
- PCT/CN2024/086203
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 2024-04-05
- Publication Date
- 2025-10-09
Smart Images

Figure CN2024086203_09102025_PF_FP_ABST
Abstract
Description
AMBIENT INTERNET OF THINGS DEVICE CONTROL INFORMATION COMMUNICATION
[0001] FIELD OF THE DISCLOSURE
[0002] Aspects of the present disclosure generally relate to wireless communication and specifically relate to techniques, apparatuses, and methods associated with ambient internet of things device control information communication.BACKGROUND
[0003] Wireless communication systems are widely deployed to provide various services that may include carrying voice, text, messaging, video, data, and / or other traffic. The services may include unicast, multicast, and / or broadcast services, among other examples. Typical wireless communication systems may employ multiple-access radio access technologies (RATs) capable of supporting communication with multiple users by sharing available system resources (for example, time domain resources, frequency domain resources, spatial domain resources, and / or device transmit power, among other examples) . Examples of such multiple-access RATs include code division multiple access (CDMA) systems, time division multiple access (TDMA) systems, frequency division multiple access (FDMA) systems, orthogonal frequency division multiple access (OFDMA) systems, single-carrier frequency division multiple access (SC-FDMA) systems, and time division synchronous code division multiple access (TD-SCDMA) systems.
[0004] The above multiple-access RATs have been adopted in various telecommunication standards to provide common protocols that enable different wireless communication devices to communicate on a municipal, national, regional, or global level. An example telecommunication standard is New Radio (NR) . NR, which may also be referred to as 5G, is part of a continuous mobile broadband evolution promulgated by the Third Generation Partnership Project (3GPP) . NR (and other mobile broadband evolutions beyond NR) may be designed to better support Internet of things (IoT) and reduced capability device deployments, industrial connectivity, millimeter wave (mmWave) expansion, licensed and unlicensed spectrum access, non-terrestrial network (NTN) deployment, sidelink and other device-to-device direct communication technologies (for example, cellular vehicle-to-everything (CV2X) communication) , massive multiple-input multiple-output (MIMO) , disaggregated network architectures and network topology expansions, multiple-subscriber implementations, high-precision positioning, and / or radio frequency (RF) sensing, among other examples. As the demand for mobile broadband access continues to increase, further improvements in NR may be implemented, and other radio access technologies such as 6G may be introduced, to further advance mobile broadband evolution.
[0005] With respect to ambient internet of things (IoT) communication, a physical downlink or forward link (DL / FL) data channel can be used for transmitting DL / FL data from a wireless communication device serving as a reader device (for example, a network node or a user equipment (UE) ) to an ambient IoT device. Similarly, an uplink or backward link (UL / BL) data channel can be used for transmitting UL / BL data from the ambient IoT device to the wireless communication device. In practice, control information is needed to support transmissions in the physical DL / FL data channel and the physical UL / BL data channel. In general, the purpose of control information involves numerous aspects that support network functionality and efficiency, such as resource allocation and management, synchronization, and error correction and feedback, among other examples. Therefore, a manner in which physical DL / FL control information and physical UL / BL control information is communicated needs to be defined so that such control information can support network functionality and efficiency in a manner that enables reliable communication for ambient IoT devices.SUMMARY
[0006] Some aspects described herein relate to a method of wireless communication performed at a wireless communication device. The method may include identifying a configuration to be used for transmitting downlink or forward link (DL / FL) control information to an ambient internet of things (IoT) device. The method may include transmitting the DL / FL control information to the ambient IoT device, where, according to the configuration, the DL / FL control information is transmitted at least partially in at least one of: a physical DL / FL control channel communication in a physical DL / FL control channel, the physical DL / FL control channel being separate from a physical DL / FL data channel, a physical DL / FL data channel communication in the physical DL / FL data channel, or a medium access control (MAC) control element (CE) .
[0007] Some aspects described herein relate to a method of wireless communication performed at an ambient IoT device. The method may include identifying a configuration to be used by a wireless communication device for transmitting DL / FL control information to be received by the ambient IoT device. The method may include receiving the DL / FL control information according to the configuration, where, according to the configuration, the DL / FL control information is received at least partially in at least one of: a physical DL / FL control channel communication in a physical DL / FL control channel, the physical DL / FL control channel being separate from a physical DL / FL data channel, a physical DL / FL data channel communication in the physical DL / FL data channel, or a MAC-CE.
[0008] Some aspects described herein relate to a method of wireless communication performed at an ambient IoT device. The method may include identifying a configuration to be used for transmitting uplink or backward link (UL / BL) control information to a wireless communication device. The method may include transmitting the UL / BL control information to the wireless communication device, where, according to the configuration, the UL / BL control information is transmitted at least partially in at least one of: a physical UL / BL control channel communication in a physical UL / BL control channel, the physical UL / BL control channel being separate from a physical UL / BL data channel, a physical UL / BL data channel communication in the physical UL / BL data channel, or a MAC-CE.
[0009] Some aspects described herein relate to a method of wireless communication performed at a wireless communication device. The method may include identifying a configuration to be used by an ambient IoT device for transmitting UL / BL control information to be received by the wireless communication device. The method may include receiving the UL / BL control information according to the configuration, where, according to the configuration, the UL / BL control information is received at least partially in at least one of: a physical UL / BL control channel communication in a physical UL / BL control channel, the physical UL / BL control channel being separate from a physical UL / BL data channel, a physical UL / BL data channel communication in the physical UL / BL data channel, or a MAC-CE.
[0010] Some aspects described herein relate to an apparatus for wireless communication at a wireless communication device. The apparatus may include one or more memories and one or more processors coupled to the one or more memories. The one or more processors may be configured to identify a configuration to be used for transmitting DL / FL control information to an ambient IoT device. The one or more processors may be configured to transmit the DL / FL control information to the ambient IoT device, where, according to the configuration, the DL / FL control information is transmitted at least partially in at least one of: a physical DL / FL control channel communication in a physical DL / FL control channel, the physical DL / FL control channel being separate from a physical DL / FL data channel, a physical DL / FL data channel communication in the physical FL data channel, or a MAC-CE.
[0011] Some aspects described herein relate to an apparatus for wireless communication at an ambient IoT device. The apparatus may include one or more memories and one or more processors coupled to the one or more memories. The one or more processors may be configured to identify a configuration to be used by a wireless communication device for transmitting DL / FL control information to be received by the ambient IoT device. The one or more processors may be configured to receive the DL / FL control information according to the configuration, where, according to the configuration, the DL / FL control information is received at least partially in at least one of: a physical DL / FL control channel communication in a physical DL / FL control channel, the physical DL / FL control channel being separate from a physical DL / FL data channel, a physical DL / FL data channel communication in the physical DL / FL data channel, or a MAC-CE.
[0012] Some aspects described herein relate to an apparatus for wireless communication at an ambient IoT device. The apparatus may include one or more memories and one or more processors coupled to the one or more memories. The one or more processors may be configured to identify a configuration to be used for transmitting UL / BL control information to a wireless communication device. The one or more processors may be configured to transmit the UL / BL control information to the wireless communication device, where, according to the configuration, the UL / BL control information is transmitted at least partially in at least one of: a physical UL / BL control channel communication in a physical UL / BL control channel, the physical UL / BL control channel being separate from a physical UL / BL data channel, a physical UL / BL data channel communication in the physical UL / BL data channel, or a MAC-CE.
[0013] Some aspects described herein relate to an apparatus for wireless communication at a wireless communication device. The apparatus may include one or more memories and one or more processors coupled to the one or more memories. The one or more processors may be configured to identify a configuration to be used by an ambient IoT device for transmitting UL / BL control information to be received by the wireless communication device. The one or more processors may be configured to receive the UL / BL control information according to the configuration, where, according to the configuration, the UL / BL control information is received at least partially in at least one of: a physical UL / BL control channel communication in a physical UL / BL control channel, the physical UL / BL control channel being separate from a physical UL / BL data channel, a physical UL / BL data channel communication in the physical UL / BL data channel, or a MAC-CE.
[0014] Some aspects described herein relate to a non-transitory computer-readable medium that stores a set of instructions for wireless communication by a wireless communication device. The set of instructions, when executed by one or more processors of the wireless communication device, may cause the wireless communication device to identify a configuration to be used for transmitting DL / FL control information to an ambient IoT device. The set of instructions, when executed by one or more processors of the wireless communication device, may cause the wireless communication device to transmit the DL / FL control information to the ambient IoT device, where, according to the configuration, the DL / FL control information is transmitted at least partially in at least one of: a physical DL / FL control channel communication in a physical DL / FL control channel, the physical DL / FL control channel being separate from a physical DL / FL data channel, a physical DL / FL data channel communication in the physical DL / FL data channel, or a MAC-CE.
[0015] Some aspects described herein relate to a non-transitory computer-readable medium that stores a set of instructions for wireless communication by an ambient IoT device. The set of instructions, when executed by one or more processors of the ambient IoT device may cause the ambient IoT device to identify a configuration to be used by a wireless communication device for transmitting DL / FL control information to be received by the ambient IoT device. The set of instructions, when executed by one or more processors of the ambient IoT device may cause the ambient IoT device to receive the DL / FL control information according to the configuration, where, according to the configuration, the DL / FL control information is received at least partially in at least one of: a physical DL / FL control channel communication in a physical DL / FL control channel, the physical DL / FL control channel being separate from a physical DL / FL data channel, a physical DL / FL data channel communication in the physical DL / FL data channel, or a MAC-CE.
[0016] Some aspects described herein relate to a non-transitory computer-readable medium that stores a set of instructions for wireless communication by an ambient IoT device. The set of instructions, when executed by one or more processors of the ambient IoT device may cause the ambient IoT device to identify a configuration to be used for transmitting UL / BL control information to a wireless communication device. The set of instructions, when executed by one or more processors of the ambient IoT device, may cause the ambient IoT device to transmit the UL / BL control information to the wireless communication device, where, according to the configuration, the UL / BL control information is transmitted at least partially in at least one of: a physical UL / BL control channel communication in a physical UL / BL control channel, the physical UL / BL control channel being separate from a physical UL / BL data channel, a physical UL / BL data channel communication in the physical UL / BL data channel, or a MAC-CE.
[0017] Some aspects described herein relate to a non-transitory computer-readable medium that stores a set of instructions for wireless communication by a wireless communication device. The set of instructions, when executed by one or more processors of the wireless communication device, may cause the wireless communication device to identify a configuration to be used by an ambient IoT device for transmitting UL / BL control information to be received by the wireless communication device. The set of instructions, when executed by one or more processors of the wireless communication device, may cause the wireless communication device to receive the UL / BL control information according to the configuration, where, according to the configuration, the UL / BL control information is received at least partially in at least one of: a physical UL / BL control channel communication in a physical UL / BL control channel, the physical UL / BL control channel being separate from a physical UL / BL data channel, a physical UL / BL data channel communication in the physical UL / BL data channel, or a MAC-CE.
[0018] Some aspects described herein relate to an apparatus for wireless communication. The apparatus may include means for identifying a configuration to be used for transmitting DL / FL control information to an ambient IoT device. The apparatus may include means for transmitting the DL / FL control information to the ambient IoT device, where, according to the configuration, the DL / FL control information is transmitted at least partially in at least one of: a physical DL / FL control channel communication in a physical DL / FL control channel, the physical DL / FL control channel being separate from a physical DL / FL data channel, a physical DL / FL data channel communication in the physical DL / FL data channel, or a MAC-CE.
[0019] Some aspects described herein relate to an apparatus for wireless communication. The apparatus may include means for identifying a configuration to be used by a wireless communication device for transmitting DL / FL control information to be received by apparatus. The apparatus may include means for receiving the DL / FL control information according to the configuration, where, according to the configuration, the DL / FL control information is received at least partially in at least one of:a physical DL / FL control channel communication in a physical DL / FL control channel, the physical DL / FL control channel being separate from a physical DL / FL data channel, a physical DL / FL data channel communication in the physical DL / FL data channel, or a MAC-CE.
[0020] Some aspects described herein relate to an apparatus for wireless communication. The apparatus may include means for identifying a configuration to be used for transmitting UL / BL control information to a wireless communication device. The apparatus may include means for transmitting the UL / BL control information to the wireless communication device, where, according to the configuration, the UL / BL control information is transmitted at least partially in at least one of: a physical UL / BL control channel communication in a physical UL / BL control channel, the physical UL / BL control channel being separate from a physical UL / BL data channel, a physical UL / BL data channel communication in the physical UL / BL data channel, or a MAC-CE.
[0021] Some aspects described herein relate to an apparatus for wireless communication. The apparatus may include means for identifying a configuration to be used by an ambient IoT device for transmitting UL / BL control information to be received by the apparatus. The apparatus may include means for receiving the UL / BL control information according to the configuration, where, according to the configuration, the UL / BL control information is received at least partially in at least one of: a physical UL / BL control channel communication in a physical UL / BL control channel, the physical UL / BL control channel being separate from a physical UL / BL data channel, a physical UL / BL data channel communication in the physical UL / BL data channel, or a MAC-CE.
[0022] Aspects of the present disclosure may generally be implemented by or as a method, apparatus, system, computer program product, non-transitory computer- readable medium, user equipment, base station, network node, network entity, wireless communication device, and / or processing system as substantially described with reference to, and as illustrated by, the specification and accompanying drawings.
[0023] The foregoing paragraphs of this section have broadly summarized some aspects of the present disclosure. These and additional aspects and associated advantages will be described hereinafter. The disclosed aspects may be used as a basis for modifying or designing other aspects for carrying out the same or similar purposes of the present disclosure. Such equivalent aspects do not depart from the scope of the appended claims. Characteristics of the aspects disclosed herein, both their organization and method of operation, together with associated advantages, will be better understood from the following description when considered in connection with the accompanying drawings.BRIEF DESCRIPTION OF THE DRAWINGS
[0024] The appended drawings illustrate some aspects of the present disclosure, but are not limiting of the scope of the present disclosure because the description may enable other aspects. Each of the drawings is provided for purposes of illustration and description, and not as a definition of the limits of the claims. The same or similar reference numbers in different drawings may identify the same or similar elements.
[0025] Figure 1 is a diagram illustrating an example of a wireless communication network.
[0026] Figure 2 is a diagram illustrating an example network node in communication with an example user equipment (UE) in a wireless network.
[0027] Figure 3 is a diagram illustrating an example associated with backscatter communications.
[0028] Figure 4 is a diagram illustrating examples of topologies for ambient internet of things (IoT) device communication.
[0029] Figure 5 is a diagram illustrating an example associated with communication of downlink or forward link (DL / FL) control information to an ambient IoT device.
[0030] Figures 6A-6B are diagrams illustrating examples associated with communication of uplink or backward link (UL / BL) control information to a wireless communication device.
[0031] Figure 7 is a diagram illustrating examples associated with communication of one or more device identifiers in association with communication of DL / FL or UL / BL control information.
[0032] Figure 8 is a flowchart illustrating an example process performed, for example, at a wireless communication device or an apparatus of a wireless communication device that supports transmission of DL / FL control information to an ambient IoT device.
[0033] Figure 9 is a flowchart illustrating an example process performed, for example, at an ambient IoT device or an apparatus of an ambient IoT device that supports reception of DL / FL control information by an ambient IoT device.
[0034] Figure 10 is a flowchart illustrating an example process performed, for example, at an ambient IoT device or an apparatus of an ambient IoT device that supports transmission of UL / BL control information to a wireless communication device.
[0035] Figure 11 is a flowchart illustrating an example process performed, for example, at a wireless communication device or an apparatus of a wireless communication device that supports reception of UL / BL control information by a wireless communication device.
[0036] Figure 12 is a diagram of an example apparatus for wireless communication that supports ambient IoT device control information communication at a wireless communication device.
[0037] Figure 13 is a diagram of an example apparatus for wireless communication that supports ambient IoT device control information communication at an ambient IoT device.DETAILED DESCRIPTION
[0038] Various aspects of the present disclosure are described hereinafter with reference to the accompanying drawings. However, aspects of the present disclosure may be embodied in many different forms and is not to be construed as limited to any specific aspect illustrated by or described with reference to an accompanying drawing or otherwise presented in this disclosure. Rather, these aspects are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. One skilled in the art may appreciate that the scope of the disclosure is intended to cover any aspect of the disclosure disclosed herein, whether implemented independently of or in combination with any other aspect of the disclosure. For example, an apparatus may be implemented or a method may be practiced using various combinations or quantities of the aspects set forth herein. In addition, the scope of the disclosure is intended to cover an apparatus having, or a method that is practiced using, other structures and / or functionalities in addition to or other than the structures and / or functionalities with which various aspects of the disclosure set forth herein may be practiced. Any aspect of the disclosure disclosed herein may be embodied by one or more elements of a claim.
[0039] Several aspects of telecommunication systems will now be presented with reference to various methods, operations, apparatuses, and techniques. These methods, operations, apparatuses, and techniques will be described in the following detailed description and illustrated in the accompanying drawings by various blocks, modules, components, circuits, steps, processes, or algorithms (collectively referred to as “elements” ) . These elements may be implemented using hardware, software, or a combination of hardware and software. Whether such elements are implemented as hardware or software depends upon the particular application and design constraints imposed on the overall system.
[0040] An ambient internet of things (IoT) device may comprise a terminal, such as a radio frequency identification (RFID) device, a tag, or a similar device. Ambient IoT devices may be categorized into at least three types of devices: device 1, device 2a, and device 2b. A “device 1” type ambient IoT device may have approximately 1 (one) milliwatt (μW) peak power consumption, support energy storage, use an initial sampling frequency offset (SFO) up to 10X parts per million (ppm) (for example, where X can be any suitable value) , and communicate uplink (UL) or backward link (BL) transmissions by backscattering externally-provided carrier waves (CWs) . Both “device 2a” and “device 2b” type ambient IoT devices may have up to a few hundred μW peak power consumption, support energy storage, and use an initial SFO up to 10X ppm. A “device 2a” type ambient IoT device may communicate UL / BL link transmissions by backscattering externally-provided CWs. A “device 2b” type ambient IoT device may communicate UL / BL transmissions by internally generating the UL / BL transmissions.
[0041] With respect to ambient IoT communication, a physical downlink or forward link (DL / FL) data channel can be used for transmitting DL / FL data from a wireless communication device serving as a reader device (for example, a network node 110 or a UE 120) to an ambient IoT device. Similarly, a UL / BL data channel can be used for transmitting UL / BL data from the ambient IoT device to the wireless communication device. In practice, control information is needed to support transmissions in the physical DL / FL data channel and the physical UL / BL data channel. In general, the purpose of control information involves numerous aspects that support network functionality and efficiency, such as resource allocation and management, synchronization, and error correction and feedback, among other examples. Therefore, a manner in which physical DL / FL control information and physical UL / BL control information is communicated needs to be defined so that such control information can support network functionality and efficiency in a manner that enables reliable communication for ambient IoT devices.
[0042] Various aspects relate generally to communication of ambient IoT device control information. Some aspects more specifically relate to reception and transmission of DL / FL control information in support of ambient IoT communication. In some aspects, a wireless communication device (for example, a network node, or a UE) may transmit DL / FL control information, and an ambient IoT device may receive the DL / FL control information.
[0043] In some aspects, the DL / FL control information may be transmitted and received in a physical DL / FL control channel communication in a physical DL / FL control channel (for example, a physical channel that is separate from a physical DL / FL data channel) . In some such aspects, the physical DL / FL control channel communication is formatted according to a single format to be used for physical DL / FL control channel communications. That is, in some aspects, a single format (of a fixed length) may be used for physical DL / FL control channel communications. Alternatively, in some aspects in which the DL / FL control information is communicated at least partially in a physical DL / FL control channel communication, the physical DL / FL control channel communication can be formatted according to one of a plurality of formats to be used for physical DL / FL control channel communications. That is, in some aspects, different formats can be used for different physical DL / FL control channel communications.
[0044] Additionally or alternatively, the DL / FL control channel information may be transmitted and received in a physical DL / FL data channel communication in the physical DL / FL data channel. In some such aspects, the physical DL / FL data channel communication may be formatted according to a single format to be used for physical DL / FL data channel communications. That is, in some aspects, transmission of DL / FL control information and DL / FL data may use the same (shared) format. Alternatively, in some aspects in which the DL / FL control information is communicated at least partially in a physical DL / FL data channel communication, the physical DL / FL data channel communication may be formatted according to one of a plurality of formats to be used for physical DL / FL data channel communications. Here, one or more characteristics may differ among formats in the plurality of formats.
[0045] Additionally or alternatively, the DL / FL control channel information may be transmitted and received in a medium access control (MAC) control element (CE) . In some such aspects, the MAC-CE may be formatted according to a single format to be used for MAC-CEs carrying DL / FL control information. That is, in some aspects, a single MAC-CE may be specified for use in communicating all types of DL / FL control information. The MAC-CE may have a fixed size, or may have a variable size (for example, a size that is based at least in part on a type of the DL / FL control information) . That is, in some aspects, the size of the MAC-CE may be fixed or may vary depending on the type of DL / FL control information being communicated. Alternatively, in some aspects in which the DL / FL control information is communicated at least partially in a MAC-CE, the MAC-CE may be formatted according to one of a plurality of formats, where the format is associated with a type of the DL / FL control information. Alternatively, in some aspects in which the DL / FL control information is communicated at least partially in a MAC-CE, the MAC-CE may be multiplexed with DL / FL data.
[0046] Some aspects more specifically relate to reception and transmission of UL / BL control information in support of ambient IoT communication. In some aspects, an ambient IoT device may transmit UL / BL control information, and a wireless communication device (for example, a network node or a UE) .
[0047] In some aspects, the UL / BL control information may be transmitted and received in a physical UL / BL control channel communication in a physical UL / BL control channel (for example, a physical channel that is separate from a physical UL / BL data channel) . In some such aspects, the physical UL / BL control channel communication may be formatted according to a single format (of a fixed length) to be used for physical UL / BL control channel communications. Additionally or alternatively, in some aspects in which the UL / BL control information is communicated at least partially in a physical UL / BL control channel communication, the physical UL / BL control channel communication may be formatted according to one of a plurality of formats to be used for physical UL / BL control channel communications. That is, in some aspects, different formats can be used for different physical UL / BL control channel communications.
[0048] Additionally or alternatively, the UL / BL control information may be transmitted and received in a physical UL / BL data channel communication in the physical UL / BL data channel. In some such aspects, the physical UL / BL data channel communication is formatted according to a single format to be used for physical UL / BL data channel communications. That is, in some aspects, transmission of UL / BL control information and UL / BL data may use the same (shared) format. Additionally or alternatively, in some aspects in which the UL / BL control information is communicated at least partially in a physical UL / BL data channel communication, the physical UL / BL data channel communication may be formatted according to one of a plurality of formats to be used for physical UL / BL data channel communications. In some aspects, each of the plurality of formats may be associated with a different type UL / BL control information or be associated with a different size. In some aspects, one or more characteristics may differ among the plurality of formats.
[0049] Additionally, or alternatively, the UL / BL control information may be transmitted and received in a MAC CE. In some such aspects, the MAC-CE is formatted according to a single format to be used for MAC-CEs carrying UL / BL control information. That is, in some aspects, a single MAC-CE may be specified for use in communicating all types of UL / BL control information. The size of the MAC-CE may be fixed or may be a variable size (for examples, a size that is based at least in part on a type of the UL / BL control information) . That is, in some aspects, the size of the MAC-CE may be vary depending on the type of UL / BL control information being communicated. Alternatively, in some aspects in which the UL / BL control information is communicated at least partially in a MAC-CE, the MAC-CE may be formatted according to one of a plurality of formats, where the format is associated with a type of the UL / BL control information. In some such aspects, each of the plurality of formats is associated with a different type of UL / BL control information (in other words, each type of UL / BL control information may have an independent MAC-CE) .
[0050] Particular aspects of the subject matter described in this disclosure can be implemented to realize one or more of the following potential advantages. In some examples, by enabling transmission and reception of control information (for example, DL / FL control information and UL / BL control information) for ambient IoT device communication, the described techniques can be used to communicate physical DL / FL control information and physical UL / BL control information in order to support network functionality and efficiency in a manner that enables reliable communication for ambient IoT devices.
[0051] Communication of control information (for example, DL / FL control information or UL / BL control information) at least partially in a physical UL / BL control channel that is separate from a physical UL / BL data channel may enhance network efficiency, flexibility, and reliability. For example, communication of ambient IoT device control information in a separate physical control channel may allow for more efficient use of network resources (since the control information can be processed and managed independently of data) . As another example, communication of ambient IoT device control information in a separate physical control channel may provide improved reliability for control, even under heavy data traffic conditions, thereby improving network stability and reliability. As another example, communication of ambient IoT device control information in a separate physical control channel may enhance security by facilitating implementation of stringent security measures specifically for control information, which improves network security.
[0052] Communication of control information (for example, DL / FL control information or UL / BL control information) at least partially in a physical UL / BL data channel may improve network performance. For example, communication of ambient IoT device control information in a physical data channel may simplify network architecture, which reduces complexity of network management and operation. As another example, communication of ambient IoT device control information in a physical data channel may promote efficient use of spectrum by allowing the network to more flexibly allocate spectrum based on current demands. As another example, communication of ambient IoT device control information in a physical data channel may reduce latency by eliminating a need to switch between control and data channels with respect to ambient IoT device communication. As another example, communication of ambient IoT device control information in a physical data channel may promote resource optimization by allowing for dynamic and adaptive resource allocation.
[0053] Communication of control information (for example, DL / FL control information or UL / BL control information) at least partially in a MAC-CE may improve network and ambient IoT device performance. For example, communication of ambient IoT device control information in a MAC-CE may improve resource allocation efficiency by enabling the network to more efficiently allocate resources, thereby improving overall network capacity and data rates. As another example, communication of ambient IoT device control information in a MAC-CE may enable dynamic adjustment of transmission parameters, thereby improving network performance with respect to, for example, throughput and latency. As another example, communication of ambient IoT device control information in a MAC-CE may increase energy efficiency of an ambient IoT device by, for example, providing mechanisms for power saving and scheduling, which allowing may extend a battery life of the ambient IoT device.
[0054] Multiple-access radio access technologies (RATs) have been adopted in various telecommunication standards to provide common protocols that enable wireless communication devices to communicate on a municipal, enterprise, national, regional, or global level. For example, 5G New Radio (NR) is part of a continuous mobile broadband evolution promulgated by the Third Generation Partnership Project (3GPP) . 5G NR supports various technologies and use cases including enhanced mobile broadband (eMBB) , ultra-reliable low-latency communication (URLLC) , massive machine-type communication (mMTC) , millimeter wave (mmWave) technology, beamforming, network slicing, edge computing, Internet of Things (IoT) connectivity and management, and network function virtualization (NFV) .
[0055] As the demand for broadband access increases and as technologies supported by wireless communication networks evolve, further technological improvements may be adopted in or implemented for 5G NR or future RATs, such as 6G, to further advance the evolution of wireless communication for a wide variety of existing and new use cases and applications. Such technological improvements may be associated with new frequency band expansion, licensed and unlicensed spectrum access, overlapping spectrum use, small cell deployments, non-terrestrial network (NTN) deployments, disaggregated network architectures and network topology expansion, device aggregation, advanced duplex communication, sidelink and other device-to-device direct communication, IoT (including passive or ambient IoT) networks, reduced capability (RedCap) UE functionality, industrial connectivity, multiple-subscriber implementations, high-precision positioning, radio frequency (RF) sensing, and / or artificial intelligence or machine learning (AI / ML) , among other examples. These technological improvements may support use cases such as wireless backhauls, wireless data centers, extended reality (XR) and metaverse applications, meta services for supporting vehicle connectivity, holographic and mixed reality communication, autonomous and collaborative robots, vehicle platooning and cooperative maneuvering, sensing networks, gesture monitoring, human-brain interfacing, digital twin applications, asset management, and universal coverage applications using non-terrestrial and / or aerial platforms, among other examples. The methods, operations, apparatuses, and techniques described herein may enable one or more of the foregoing technologies and / or support one or more of the foregoing use cases.
[0056] Figure 1 is a diagram illustrating an example of a wireless communication network 100. The wireless communication network 100 may be or may include elements of a 5G (or NR) network or a 6G network, among other examples. The wireless communication network 100 may include multiple network nodes 110, shown as a network node (NN) 110a, a network node 110b, a network node 110c, and a network node 110d. The network nodes 110 may support communications with multiple UEs 120, shown as a UE 120a, a UE 120b, a UE 120c, a UE 120d, and a UE 120e.
[0057] The network nodes 110 and the UEs 120 of the wireless communication network 100 may communicate using the electromagnetic spectrum, which may be subdivided by frequency or wavelength into various classes, bands, carriers, and / or channels. For example, devices of the wireless communication network 100 may communicate using one or more operating bands. In some aspects, multiple wireless communication networks 100 may be deployed in a given geographic area. Each wireless communication network 100 may support a particular RAT (which may also be referred to as an air interface) and may operate on one or more carrier frequencies in one or more frequency ranges. Examples of RATs include a 4G RAT, a 5G / NR RAT, and / or a 6G RAT, among other examples. In some examples, when multiple RATs are deployed in a given geographic area, each RAT in the geographic area may operate on different frequencies to avoid interference with one another.
[0058] Various operating bands have been defined as frequency range designations FR1 (410 MHz through 7.125 GHz) , FR2 (24.25 GHz through 52.6 GHz) , FR3 (7.125 GHz through 24.25 GHz) , FR4a or FR4-1 (52.6 GHz through 71 GHz) , FR4 (52.6 GHz through 114.25 GHz) , and FR5 (114.25 GHz through 300 GHz) . Although a portion of FR1 is greater than 6 GHz, FR1 is often referred to (interchangeably) as a “Sub-6 GHz” band in some documents and articles. Similarly, FR2 is often referred to (interchangeably) as a “millimeter wave” band in some documents and articles, despite being different than the extremely high frequency (EHF) band (30 GHz through 300 GHz) , which is identified by the International Telecommunications Union (ITU) as a “millimeter wave” band. The frequencies between FR1 and FR2 are often referred to as mid-band frequencies, which include FR3. Frequency bands falling within FR3 may inherit FR1 characteristics or FR2 characteristics, and thus may effectively extend features of FR1 or FR2 into mid-band frequencies. Thus, “sub-6 GHz, ” if used herein, may broadly refer to frequencies that are less than 6 GHz, that are within FR1, and / or that are included in mid-band frequencies. Similarly, the term “millimeter wave, ” if used herein, may broadly refer to frequencies that are included in mid-band frequencies, that are within FR2, FR4, FR4-a or FR4-1, or FR5, and / or that are within the EHF band. Higher frequency bands may extend 5G NR operation, 6G operation, and / or other RATs beyond 52.6 GHz. For example, each of FR4a, FR4-1, FR4, and FR5 falls within the EHF band. In some examples, the wireless communication network 100 may implement dynamic spectrum sharing (DSS) , in which multiple RATs (for example, 4G / Long-Term Evolution (LTE) and 5G / NR) are implemented with dynamic bandwidth allocation (for example, based on user demand) in a single frequency band. It is contemplated that the frequencies included in these operating bands (for example, FR1, FR2, FR3, FR4, FR4-a, FR4-1, and / or FR5) may be modified, and techniques described herein may be applicable to those modified frequency ranges.
[0059] A network node 110 may include one or more devices, components, or systems that enable communication between a UE 120 and one or more devices, components, or systems of the wireless communication network 100. A network node 110 may be, may include, or may also be referred to as an NR network node, a 5G network node, a 6G network node, a Node B, an eNB, a gNB, an access point (AP) , a transmission reception point (TRP) , a mobility element, a core, a network entity, a network element, a network equipment, and / or another type of device, component, or system included in a radio access network (RAN) .
[0060] A network node 110 may be implemented as a single physical node (for example, a single physical structure) or may be implemented as two or more physical nodes (for example, two or more distinct physical structures) . For example, a network node 110 may be a device or system that implements part of a radio protocol stack, a device or system that implements a full radio protocol stack (such as a full gNB protocol stack) , or a collection of devices or systems that collectively implement the full radio protocol stack. For example, and as shown, a network node 110 may be an aggregated network node (having an aggregated architecture) , meaning that the network node 110 may implement a full radio protocol stack that is physically and logically integrated within a single node (for example, a single physical structure) in the wireless communication network 100. For example, an aggregated network node 110 may consist of a single standalone base station or a single TRP that uses a full radio protocol stack to enable or facilitate communication between a UE 120 and a core network of the wireless communication network 100.
[0061] Alternatively, and as also shown, a network node 110 may be a disaggregated network node (sometimes referred to as a disaggregated base station) , meaning that the network node 110 may implement a radio protocol stack that is physically distributed and / or logically distributed among two or more nodes in the same geographic location or in different geographic locations. For example, a disaggregated network node may have a disaggregated architecture. In some deployments, disaggregated network nodes 110 may be used in an integrated access and backhaul (IAB) network, in an open radio access network (O-RAN) (such as a network configuration in compliance with the O-RAN Alliance) , or in a virtualized radio access network (vRAN) , also known as a cloud radio access network (C-RAN) , to facilitate scaling by separating base station functionality into multiple units that can be individually deployed.
[0062] The network nodes 110 of the wireless communication network 100 may include one or more central units (Cus) , one or more distributed units (Dus) , and / or one or more radio units (RUs) . A CU may host one or more higher layer control functions, such as radio resource control (RRC) functions, packet data convergence protocol (PDCP) functions, and / or service data adaptation protocol (SDAP) functions, among other examples. A DU may host one or more of a radio link control (RLC) layer, a medium access control (MAC) layer, and / or one or more higher physical (PHY) layers depending, at least in part, on a functional split, such as a functional split defined by the 3GPP. In some examples, a DU also may host one or more lower PHY layer functions, such as a fast Fourier transform (FFT) , an inverse FFT (iFFT) , beamforming, physical random access channel (PRACH) extraction and filtering, and / or scheduling of resources for one or more UEs 120, among other examples. An RU may host RF processing functions or lower PHY layer functions, such as an FFT, an iFFT, beamforming, or PRACH extraction and filtering, among other examples, according to a functional split, such as a lower layer functional split. In such an architecture, each RU can be operated to handle over the air (OTA) communication with one or more UEs 120.
[0063] In some aspects, a single network node 110 may include a combination of one or more Cus, one or more Dus, and / or one or more RUs. Additionally or alternatively, a network node 110 may include one or more Near-Real Time (Near-RT) RAN Intelligent Controllers (RICs) and / or one or more Non-Real Time (Non-RT) RICs. In some examples, a CU, a DU, and / or an RU may be implemented as a virtual unit, such as a virtual central unit (VCU) , a virtual distributed unit (VDU) , or a virtual radio unit (VRU) , among other examples. A virtual unit may be implemented as a virtual network function, such as associated with a cloud deployment.
[0064] Some network nodes 110 (for example, a base station, an RU, or a TRP) may provide communication coverage for a particular geographic area. In the 3GPP, the term “cell” can refer to a coverage area of a network node 110 or to a network node 110 itself, depending on the context in which the term is used. A network node 110 may support one or multiple (for example, three) cells. In some examples, a network node 110 may provide communication coverage for a macro cell, a pico cell, a femto cell, or another type of cell. A macro cell may cover a relatively large geographic area (for example, several kilometers in radius) and may allow unrestricted access by UEs 120 with service subscriptions. A pico cell may cover a relatively small geographic area and may allow unrestricted access by UEs 120 with service subscriptions. A femto cell may cover a relatively small geographic area (for example, a home) and may allow restricted access by UEs 120 having association with the femto cell (for example, UEs 120 in a closed subscriber group (CSG) ) . A network node 110 for a macro cell may be referred to as a macro network node. A network node 110 for a pico cell may be referred to as a pico network node. A network node 110 for a femto cell may be referred to as a femto network node or an in-home network node.
[0065] The wireless communication network 100 may be a heterogeneous network that includes network nodes 110 of different types, such as macro network nodes, pico network nodes, femto network nodes, relay network nodes, aggregated network nodes, and / or disaggregated network nodes, among other examples. In the example shown in Figure 1, the network node 110a may be a macro network node for a macro cell 130a, the network node 110b may be a pico network node for a pico cell 130b, and the network node 110c may be a femto network node for a femto cell 130c. Various different types of network nodes 110 may generally transmit at different power levels, serve different coverage areas, and / or have different impacts on interference in the wireless communication network 100 than other types of network nodes 110. For example, macro network nodes may have a high transmit power level (for example, 5 to 40 watts) , whereas pico network nodes, femto network nodes, and relay network nodes may have lower transmit power levels (for example, 0.1 to 2 watts) .
[0066] In some examples, a network node 110 may be, may include, or may operate as an RU, a TRP, or a base station that communicates with one or more UEs 120 via a radio access link (which may be referred to as a “Uu” link) . The radio access link may include a downlink and an uplink. “Downlink” (or “DL” ) refers to a communication direction from a network node 110 to a UE 120, and “uplink” (or “UL” ) refers to a communication direction from a UE 120 to a network node 110.
[0067] In some examples, any network node 110 that relays communications may be referred to as a relay network node, a relay station, or simply as a relay. A relay may receive a transmission of a communication from an upstream station (for example, another network node 110 or a UE 120) and transmit the communication to a downstream station (for example, a UE 120 or another network node 110) . In this case, the wireless communication network 100 may include or be referred to as a “multi-hop network. ” In the example shown in Figure 1, the network node 110d (for example, a relay network node) may communicate with the network node 110a (for example, a macro network node) and the UE 120d in order to facilitate communication between the network node 110a and the UE 120d. Additionally or alternatively, a UE 120 may be or may operate as a relay station that can relay transmissions to or from other UEs 120. A UE 120 that relays communications may be referred to as a UE relay or a relay UE, among other examples.
[0068] The UEs 120 may be physically dispersed throughout the wireless communication network 100, and each UE 120 may be stationary or mobile. A UE 120 may be, may include, or may be included in an access terminal, another terminal, a mobile station, or a subscriber unit. A UE 120 may be, include, or be coupled with a cellular phone (for example, a smart phone) , a personal digital assistant (PDA) , a wireless modem, a wireless communication device, a handheld device, a laptop computer, a cordless phone, a wireless local loop (WLL) station, a tablet, a camera, a gaming device, a netbook, a smartbook, an ultrabook, a medical device, a biometric device, a wearable device (for example, a smart watch, smart clothing, smart glasses, a smart wristband, and / or smart jewelry, such as a smart ring or a smart bracelet) , an entertainment device (for example, a music device, a video device, and / or a satellite radio) , an XR device, a vehicular component or sensor, a smart meter or sensor, industrial manufacturing equipment, a Global Navigation Satellite System (GNSS) device (such as a Global Positioning System device or another type of positioning device) , a UE function of a network node, and / or any other suitable device or function that may communicate via a wireless medium.
[0069] A UE 120 and / or a network node 110 may include one or more chips, system-on-chips (SoCs) , chipsets, packages, or devices that individually or collectively constitute or comprise a processing system. The processing system includes processor (or “processing” ) circuitry in the form of one or multiple processors, microprocessors, processing units (such as central processing units (CPUs) , graphics processing units (GPUs) , neural processing units (NPUs) and / or digital signal processors (DSPs) ) , processing blocks, application-specific integrated circuits (ASIC) , programmable logic devices (PLDs) (such as field programmable gate arrays (FPGAs) ) , or other discrete gate or transistor logic or circuitry (all of which may be generally referred to herein individually as “processors” or collectively as “the processor” or “the processor circuitry” ) . One or more of the processors may be individually or collectively configurable or configured to perform various functions or operations described herein. A group of processors collectively configurable or configured to perform a set of functions may include a first processor configurable or configured to perform a first function of the set and a second processor configurable or configured to perform a second function of the set, or may include the group of processors all being configured or configurable to perform the set of functions.
[0070] The processing system may further include memory circuitry in the form of one or more memory devices, memory blocks, memory elements or other discrete gate or transistor logic or circuitry, each of which may include tangible storage media such as random-access memory (RAM) or read-only memory (ROM) , or combinations thereof (all of which may be generally referred to herein individually as “memories” or collectively as “the memory” or “the memory circuitry” ) . One or more of the memories may be coupled (for example, operatively coupled, communicatively coupled, electronically coupled, or electrically coupled) with one or more of the processors and may individually or collectively store processor-executable code (such as software) that, when executed by one or more of the processors, may configure one or more of the processors to perform various functions or operations described herein. Additionally or alternatively, in some examples, one or more of the processors may be preconfigured to perform various functions or operations described herein without requiring configuration by software. The processing system may further include or be coupled with one or more modems (such as a Wi-Fi (for example, Institute of Electrical and Electronics Engineers (IEEE) compliant) modem or a cellular (for example, 3GPP 4G LTE, 5G, or 6G compliant) modem) . In some implementations, one or more processors of the processing system include or implement one or more of the modems. The processing system may further include or be coupled with multiple radios (collectively “the radio” ) , multiple RF chains, or multiple transceivers, each of which may in turn be coupled with one or more of multiple antennas. In some implementations, one or more processors of the processing system include or implement one or more of the radios, RF chains or transceivers. The UE 120 may include or may be included in a housing that houses components associated with the UE 120 including the processing system.
[0071] In some examples, two or more UEs 120 (for example, shown as UE 120a and UE 120e) may communicate directly with one another using sidelink communications (for example, without communicating by way of a network node 110 as an intermediary) . As an example, the UE 120a may directly transmit data, control information, or other signaling as a sidelink communication to the UE 120e. This is in contrast to, for example, the UE 120a first transmitting data in an UL communication to a network node 110, which then transmits the data to the UE 120e in a DL communication.
[0072] In some aspects, an ambient IoT device 135 may be configured for communication with the network node 110 and / or the UE 120. The ambient IoT device 135 is further described elsewhere herein.
[0073] In some aspects, a wireless communication device (for example, a network node 110 or a UE 120) may include a communication manager 140 or a communication manager 150. As described in more detail elsewhere herein, the communication manager 140 or 150 may identify a configuration to be used for transmitting DL / FL control information to an ambient IoT device 135; and transmit the DL / FL control information to the ambient IoT device 135, wherein, according to the configuration, the DL / FL control information is transmitted at least partially in at least one of: a physical DL / FL control channel communication in a physical DL / FL control channel, the physical DL / FL control channel being separate from a physical DL / FL data channel, a physical DL / FL data channel communication in the physical DL / FL data channel, or a medium access control (MAC) control element (CE) .
[0074] Additionally or alternatively, as described in more detail elsewhere herein, the communication manager 140 or 150 may identify a configuration to be used by an ambient IoT device 135 for transmitting UL / BL control information to be received by the wireless communication device; and receive the UL / BL control information according to the configuration, wherein, according to the configuration, the UL / BL control information is received at least partially in at least one of: a physical UL / BL control channel communication in a physical UL / BL control channel, the physical UL / BL control channel being separate from a physical UL / BL data channel, a physical UL / BL data channel communication in the physical UL / BL data channel, or a MAC-CE. Additionally or alternatively, the communication manager 140 or 150 may perform one or more other operations described herein.
[0075] In some aspects, an ambient IoT device 135 may include a communication manager 138. As described in more detail elsewhere herein, the communication manager 138 may identify a configuration to be used by a wireless communication device for transmitting DL / FL control information to be received by the ambient IoT device 135; and receive the DL / FL control information according to the configuration, wherein, according to the configuration, the DL / FL control information is received at least partially in at least one of: a physical DL / FL control channel communication in a physical DL / FL control channel, the physical DL / FL control channel being separate from a physical DL / FL data channel, a physical DL / FL data channel communication in the physical DL / FL data channel, or a MAC-CE.
[0076] Additionally or alternatively, as described in more detail elsewhere herein, the communication manager 138 may identify a configuration to be used for transmitting UL / BL control information to a wireless communication device (for example, a network node 110 or a UE 120) ; and transmit the UL / BL control information to the wireless communication device, wherein, according to the configuration, the UL / BL control information is transmitted at least partially in at least one of: a physical UL / BL control channel communication in a physical UL / BL control channel, the physical UL / BL control channel being separate from a physical UL / BL data channel, a physical UL / BL data channel communication in the physical UL / BL data channel, or a MAC-CE. Additionally or alternatively, the communication manager 138 may perform one or more other operations described herein.
[0077] Figure 2 is a diagram illustrating an example network node 110 in communication with an example UE 120 in a wireless network.
[0078] As shown in Figure 2, the network node 110 may include a data source 212, a transmit processor 214, a transmit (TX) MIMO processor 216, a set of modems 232 (shown as 232a through 232t, where t ≥ 1) , a set of antennas 234 (shown as 234a through 234v, where v ≥ 1) , a MIMO detector 236, a receive processor 238, a data sink 239, a controller / processor 240, a memory 242, a communication unit 244, a scheduler 246, and / or a communication manager 150, among other examples. In some configurations, one or a combination of the antenna (s) 234, the modem (s) 232, the MIMO detector 236, the receive processor 238, the transmit processor 214, and / or the TX MIMO processor 216 may be included in a transceiver of the network node 110. The transceiver may be under control of and used by one or more processors, such as the controller / processor 240, and in some aspects in conjunction with processor-readable code stored in the memory 242, to perform aspects of the methods, processes, and / or operations described herein. In some aspects, the network node 110 may include one or more interfaces, communication components, and / or other components that facilitate communication with the UE 120 or another network node.
[0079] The terms “processor, ” “controller, ” or “controller / processor” may refer to one or more controllers and / or one or more processors. For example, reference to “a / the processor” or “a / the controller / processor, ” among other examples (in the singular) should be understood to refer to any one or more of the processors described in connection with Figure 2, such as a single processor or a combination of multiple different processors. Reference to “one or more processors” should be understood to refer to any one or more of the processors described in connection with Figure 2. For example, one or more processors of the network node 110 may include transmit processor 214, TX MIMO processor 216, MIMO detector 236, receive processor 238, and / or controller / processor 240. Similarly, one or more processors of the UE 120 may include MIMO detector 256, receive processor 258, transmit processor 264, TX MIMO processor 266, and / or controller / processor 280.
[0080] In some aspects, a single processor may perform all of the operations described as being performed by the one or more processors. In some aspects, a first set of (one or more) processors of the one or more processors may perform a first operation described as being performed by the one or more processors, and a second set of (one or more) processors of the one or more processors may perform a second operation described as being performed by the one or more processors. The first set of processors and the second set of processors may be the same set of processors or may be different sets of processors. Reference to “one or more memories” should be understood to refer to any one or more memories of a corresponding device, such as the memory described in connection with Figure 2. For example, operation described as being performed by one or more memories can be performed by the same subset of the one or more memories or different subsets of the one or more memories.
[0081] For downlink communication from the network node 110 to the UE 120, the transmit processor 214 may receive data ( “downlink data” ) intended for the UE 120 (or a set of UEs that includes the UE 120) from the data source 212 (such as a data pipeline or a data queue) . In some examples, the transmit processor 214 may select one or more MCSs for the UE 120 in accordance with one or more channel quality indicators (CQIs) received from the UE 120. The network node 110 may process the data (for example, including encoding the data) for transmission to the UE 120 on a downlink in accordance with the MCS (s) selected for the UE 120 to generate data symbols. The transmit processor 214 may process system information (for example, semi-static resource partitioning information (SRPI) ) and / or control information (for example, CQI requests, grants, and / or upper layer signaling) and provide overhead symbols and / or control symbols. The transmit processor 214 may generate reference symbols for reference signals (for example, a cell-specific reference signal (CRS) , a demodulation reference signal (DMRS) , or a channel state information (CSI) reference signal (CSI-RS) ) and / or synchronization signals (for example, a primary synchronization signal (PSS) or a secondary synchronization signals (SSS) ) .
[0082] The TX MIMO processor 216 may perform spatial processing (for example, precoding) on the data symbols, the control symbols, the overhead symbols, and / or the reference symbols, if applicable, and may provide a set of output symbol streams (for example, T output symbol streams) to the set of modems 232. For example, each output symbol stream may be provided to a respective modulator component (shown as MOD) of a modem 232. Each modem 232 may use the respective modulator component to process (for example, to modulate) a respective output symbol stream (for example, for orthogonal frequency division multiplexing (OFDM) ) to obtain an output sample stream. Each modem 232 may further use the respective modulator component to process (for example, convert to analog, amplify, filter, and / or upconvert) the output sample stream to obtain a time domain downlink signal. The modems 232a through 232t may together transmit a set of downlink signals (for example, T downlink signals) via the corresponding set of antennas 234.
[0083] For uplink communication from the UE 120 to the network node 110, uplink signals from the UE 120 may be received by an antenna 234, may be processed by a modem 232 (for example, a demodulator component, shown as DEMOD, of a modem 232) , may be detected by the MIMO detector 236 (for example, a receive (Rx) MIMO processor) if applicable, and / or may be further processed by the receive processor 238 to obtain decoded data and / or control information. The receive processor 238 may provide the decoded data to a data sink 239 (which may be a data pipeline, a data queue, and / or another type of data sink) and provide the decoded control information to a processor, such as the controller / processor 240.
[0084] The network node 110 may use the scheduler 246 to schedule one or more UEs 120 for downlink or uplink communications. In some aspects, the scheduler 246 may use downlink control information (DCI) to dynamically schedule DL transmissions to the UE 120 and / or UL transmissions from the UE 120. In some examples, the scheduler 246 may allocate recurring time domain resources and / or frequency domain resources that the UE 120 may use to transmit and / or receive communications using an RRC configuration (for example, a semi-static configuration) , for example, to perform semi-persistent scheduling (SPS) or to configure a configured grant (CG) for the UE 120.
[0085] One or more of the transmit processor 214, the TX MIMO processor 216, the modem 232, the antenna 234, the MIMO detector 236, the receive processor 238, and / or the controller / processor 240 may be included in an RF chain of the network node 110. An RF chain may include one or more filters, mixers, oscillators, amplifiers, analog-to-digital converters (ADCs) , and / or other devices that convert between an analog signal (such as for transmission or reception via an air interface) and a digital signal (such as for processing by one or more processors of the network node 110) . In some aspects, the RF chain may be or may be included in a transceiver of the network node 110.
[0086] In some examples, the network node 110 may use the communication unit 244 to communicate with a core network and / or with other network nodes. The communication unit 244 may support wired and / or wireless communication protocols and / or connections, such as Ethernet, optical fiber, common public radio interface (CPRI) , and / or a wired or wireless backhaul, among other examples. The network node 110 may use the communication unit 244 to transmit and / or receive data associated with the UE 120 or to perform network control signaling, among other examples. The communication unit 244 may include a transceiver and / or an interface, such as a network interface.
[0087] The UE 120 may include a set of antennas 252 (shown as antennas 252a through 252r, where r ≥ 1) , a set of modems 254 (shown as modems 254a through 254u, where u ≥ 1) , a MIMO detector 256, a receive processor 258, a data sink 260, a data source 262, a transmit processor 264, a TX MIMO processor 266, a controller / processor 280, a memory 282, and / or a communication manager 140, among other examples. One or more of the components of the UE 120 may be included in a housing 284. In some aspects, one or a combination of the antenna (s) 252, the modem (s) 254, the MIMO detector 256, the receive processor 258, the transmit processor 264, or the TX MIMO processor 266 may be included in a transceiver that is included in the UE 120. The transceiver may be under control of and used by one or more processors, such as the controller / processor 280, and in some aspects in conjunction with processor-readable code stored in the memory 282, to perform aspects of the methods, processes, or operations described herein. In some aspects, the UE 120 may include another interface, another communication component, and / or another component that facilitates communication with the network node 110 and / or another UE 120.
[0088] For downlink communication from the network node 110 to the UE 120, the set of antennas 252 may receive the downlink communications or signals from the network node 110 and may provide a set of received downlink signals (for example, R received signals) to the set of modems 254. For example, each received signal may be provided to a respective demodulator component (shown as DEMOD) of a modem 254. Each modem 254 may use the respective demodulator component to condition (for example, filter, amplify, downconvert, and / or digitize) a received signal to obtain input samples. Each modem 254 may use the respective demodulator component to further demodulate or process the input samples (for example, for OFDM) to obtain received symbols. The MIMO detector 256 may obtain received symbols from the set of modems 254, may perform MIMO detection on the received symbols if applicable, and may provide detected symbols. The receive processor 258 may process (for example, decode) the detected symbols, may provide decoded data for the UE 120 to the data sink 260 (which may include a data pipeline, a data queue, and / or an application executed on the UE 120) , and may provide decoded control information and system information to the controller / processor 280.
[0089] For uplink communication from the UE 120 to the network node 110, the transmit processor 264 may receive and process data ( “uplink data” ) from a data source 262 (such as a data pipeline, a data queue, and / or an application executed on the UE 120) and control information from the controller / processor 280. The control information may include one or more parameters, feedback, one or more signal measurements, and / or other types of control information. In some aspects, the receive processor 258 and / or the controller / processor 280 may identify, for a received signal (such as received from the network node 110 or another UE) , one or more parameters relating to transmission of the uplink communication. The one or more parameters may include a reference signal received power (RSRP) parameter, a received signal strength indicator (RSSI) parameter, a reference signal received quality (RSRQ) parameter, a CQI parameter, or a transmit power control (TPC) parameter, among other examples. The control information may include an indication of the RSRP parameter, the RSSI parameter, the RSRQ parameter, the CQI parameter, the TPC parameter, and / or another parameter. The control information may facilitate parameter selection and / or scheduling for the UE 120 by the network node 110.
[0090] The transmit processor 264 may generate reference symbols for one or more reference signals, such as an uplink DMRS, an uplink sounding reference signal (SRS) , and / or another type of reference signal. The symbols from the transmit processor 264 may be precoded by the TX MIMO processor 266, if applicable, and further processed by the set of modems 254 (for example, for DFT-s-OFDM or CP-OFDM) . The TX MIMO processor 266 may perform spatial processing (for example, precoding) on the data symbols, the control symbols, the overhead symbols, and / or the reference symbols, if applicable, and may provide a set of output symbol streams (for example, U output symbol streams) to the set of modems 254. For example, each output symbol stream may be provided to a respective modulator component (shown as MOD) of a modem 254. Each modem 254 may use the respective modulator component to process (for example, to modulate) a respective output symbol stream (for example, for OFDM) to obtain an output sample stream. Each modem 254 may further use the respective modulator component to process (for example, convert to analog, amplify, filter, and / or upconvert) the output sample stream to obtain an uplink signal.
[0091] The modems 254a through 254u may transmit a set of uplink signals (for example, R uplink signals or U uplink symbols) via the corresponding set of antennas 252. An uplink signal may include an uplink control information (UCI) communication, a MAC control element (MAC-CE) communication, an RRC communication, or another type of uplink communication. Uplink signals may be transmitted on a physical uplink shared channel (PUSCH) , a physical uplink control channel (PUCCH) , and / or another type of uplink channel. An uplink signal may carry one or more transport blocks (TBs) of data. Sidelink data and control transmissions (that is, transmissions directly between two or more UEs 120) may generally use similar techniques as were described for uplink data and control transmission, and may use sidelink-specific channels such as a physical sidelink shared channel (PSSCH) , a physical sidelink control channel (PSCCH) , and / or a physical sidelink feedback channel (PSFCH) .
[0092] One or more antennas of the set of antennas 252 or the set of antennas 234 may include, or may be included within, one or more antenna panels, one or more antenna groups, one or more sets of antenna elements, or one or more antenna arrays, among other examples. An antenna panel, an antenna group, a set of antenna elements, or an antenna array may include one or more antenna elements (within a single housing or multiple housings) , a set of coplanar antenna elements, a set of non-coplanar antenna elements, or one or more antenna elements coupled with one or more transmission or reception components, such as one or more components of Figure 2. As used herein, “antenna” can refer to one or more antennas, one or more antenna panels, one or more antenna groups, one or more sets of antenna elements, or one or more antenna arrays. “Antenna panel” can refer to a group of antennas (such as antenna elements) arranged in an array or panel, which may facilitate beamforming by manipulating parameters of the group of antennas. “Antenna module” may refer to circuitry including one or more antennas, which may also include one or more other components (such as filters, amplifiers, or processors) associated with integrating the antenna module into a wireless communication device.
[0093] In some examples, each of the antenna elements of an antenna 234 or an antenna 252 may include one or more sub-elements for radiating or receiving radio frequency signals. For example, a single antenna element may include a first sub-element cross-polarized with a second sub-element that can be used to independently transmit cross-polarized signals. The antenna elements may include patch antennas, dipole antennas, and / or other types of antennas arranged in a linear pattern, a two-dimensional pattern, or another pattern. A spacing between antenna elements may be such that signals with a desired wavelength transmitted separately by the antenna elements may interact or interfere constructively and destructively along various directions (such as to form a desired beam) . For example, given an expected range of wavelengths or frequencies, the spacing may provide a quarter wavelength, a half wavelength, or another fraction of a wavelength of spacing between neighboring antenna elements to allow for the desired constructive and destructive interference patterns of signals transmitted by the separate antenna elements within that expected range. The amplitudes and / or phases of signals transmitted via antenna elements and / or sub-elements may be modulated and shifted relative to each other (such as by manipulating phase shift, phase offset, and / or amplitude) to generate one or more beams, which is referred to as beamforming. The term “beam” may refer to a directional transmission of a wireless signal toward a receiving device or otherwise in a desired direction. “Beam” may also generally refer to a direction associated with such a directional signal transmission, a set of directional resources associated with the signal transmission (for example, an angle of arrival, a horizontal direction, and / or a vertical direction) , and / or a set of parameters that indicate one or more aspects of a directional signal, a direction associated with the signal, and / or a set of directional resources associated with the signal.
[0094] The network node 110, the controller / processor 240 of the network node 110, the UE 120, the controller / processor 280 of the UE 120, a CU, a DU, an RU, or any other component (s) of Figures 1 or 2 may implement one or more techniques or perform one or more operations associated with an ambient IoT device control information communication, as described in more detail elsewhere herein. For example, the controller / processor 240 of the network node 110, the controller / processor 280 of the UE 120, any other component (s) of Figure 2, the CU, the DU, or the RU may perform or direct operations of, for example, process 800 of Figure 8, process 900 of Figure 9, process 1000 of Figure 10, process 1100 of Figure 11, or other processes as described herein (alone or in conjunction with one or more other processors) . The memory 242 may store data and program codes for the network node 110, the network node 110, the CU, the DU, or the RU. The memory 282 may store data and program codes for the UE 120. In some examples, the memory 242 or the memory 282 may include a non-transitory computer-readable medium storing a set of instructions (for example, code or program code) for wireless communication. The memory 242 may include one or more memories, such as a single memory or multiple different memories (of the same type or of different types) . The memory 282 may include one or more memories, such as a single memory or multiple different memories (of the same type or of different types) . For example, the set of instructions, when executed (for example, directly, or after compiling, converting, or interpreting) by one or more processors of the network node 110, the UE 120, the CU, the DU, or the RU, may cause the one or more processors to perform process 800 of Figure 8, process 900 of Figure 9, process 1000 of Figure 10, process 1100 of Figure 11, or other processes as described herein. In some examples, executing instructions may include running the instructions, converting the instructions, compiling the instructions, and / or interpreting the instructions, among other examples. In some aspects, the ambient IoT device 135 described herein is the UE 120, is included in the UE 120, or includes one or more components of the UE 120 shown in Figure 2. In some aspects, the wireless communication device described herein is the network node 110 or the UE 120, is included in the network node 110 or the UE 120, or includes one or more components of the network node 110 or the UE 120 shown in Figure 2.
[0095] In some aspects, a wireless communication device (for example, a network node 110 or a UE 120) includes means for identifying a configuration to be used for transmitting DL / FL control information to an ambient IoT device 135; and / or means for transmitting the DL / FL control information to the ambient IoT device 135, wherein, according to the configuration, the DL / FL control information is transmitted at least partially in at least one of: a physical DL / FL control channel communication in a physical DL / FL control channel, the physical DL / FL control channel being separate from a physical DL / FL data channel, a physical DL / FL data channel communication in the physical DL / FL data channel, or a MAC-CE.
[0096] Additionally or alternatively, the wireless communication device includes means for identifying a configuration to be used by an ambient IoT device 135 for transmitting UL / BL control information to be received by the wireless communication device; and / or means for receiving the UL / BL control information according to the configuration, wherein, according to the configuration, the UL / BL control information is received at least partially in at least one of: a physical UL / BL control channel communication in a physical UL / BL control channel, the physical UL / BL control channel being separate from a physical UL / BL data channel, a physical UL / BL data channel communication in the physical UL / BL data channel, or a MAC-CE.
[0097] In some aspects, the means for the wireless communication device to perform operations described herein may include, for example, one or more of communication manager 150, transmit processor 214, TX MIMO processor 216, modem 232, antenna 234, MIMO detector 236, receive processor 238, controller / processor 240, memory 242, or scheduler 246. Additionally or alternatively, the means for the wireless communication device to perform operations described herein may include, for example, one or more of communication manager 140, antenna 252, modem 254, MIMO detector 256, receive processor 258, transmit processor 264, TX MIMO processor 266, controller / processor 280, or memory 282.
[0098] In some aspects, an ambient IoT device 135 includes means for identifying a configuration to be used by a wireless communication device (for example, a network node 110 or a UE 120) for transmitting DL / FL control information to be received by the ambient IoT device 135; and / or means for receiving the DL / FL control information according to the configuration, wherein, according to the configuration, the DL / FL control information is received at least partially in at least one of: a physical DL / FL control channel communication in a physical DL / FL control channel, the physical DL / FL control channel being separate from a physical DL / FL data channel, a physical DL / FL data channel communication in the physical DL / FL data channel, or a MAC-CE.
[0099] Additionally or alternatively, the ambient IoT device 135 includes means for identifying a configuration to be used for transmitting UL / BL control information to a wireless communication device (for example, a network node 110 or a UE 120) ; and / or means for transmitting the UL / BL control information to the wireless communication device, wherein, according to the configuration, the UL / BL control information is transmitted at least partially in at least one of: a physical UL / BL control channel communication in a physical UL / BL control channel, the physical UL / BL control channel being separate from a physical UL / BL data channel, a physical UL / BL data channel communication in the physical UL / BL data channel, or a MAC-CE.
[0100] In some aspects, the means for the ambient IoT device to perform operations described herein may include, for example, one or more of communication manager 140, antenna 252, modem 254, MIMO detector 256, receive processor 258, transmit processor 264, TX MIMO processor 266, controller / processor 280, or memory 282.
[0101] Figure 3 is a diagram illustrating an example 300 associated with backscatter communications.
[0102] Some wireless communication devices may be considered IoT devices, such as ambient IoT devices (sometimes referred to as ultra-light IoT devices) , or similar IoT devices. In ambient IoT, a terminal (for example, an RFID device, a tag, or a similar device) may not include a battery, and the terminal may accumulate energy from radio signaling. To achieve further cost reduction and zero-power communication, wireless networks may utilize a type of ambient IoT device referred to as an “ambient backscatter device” or a “backscatter device. ”
[0103] As shown in Figure 3, a backscatter device 305 (for example, a tag or a sensor, among other examples) , which may be one example of an ambient IoT device, may employ a simplified hardware design (for example, including a power splitter, an energy harvester, and a microcontroller) that does not include a battery, such that the backscatter device 305 relies on energy harvesting for power, and that does not include a radio wave generation circuit, such that the backscatter device 305 is capable of transmitting information only by reflecting a radio wave. More particularly, the backscatter device 305 communicates with a reader 308 (for example, a UE 120, a network node 110, or another network device) by modulating a reflecting radio signal from a radio frequency (RF) source 310 (for example, a network node 110, a UE 120, or another network device) . In some examples, the RF source 310 and the reader 308 may be the same device and / or may be co-located. For example, in some instances, the reader 308 and the RF source 310 may be associated with the same network node 110.
[0104] To facilitate communication of the backscatter device 305, the RF source 310 may transmit an energy harvesting wave to the backscatter device 305. The energy harvesting wave may be transmitted for a sufficient duration in order to enable a communication phase for a target range between the reader 308 and the backscatter device 305. Additionally or alternatively, in some instances, a range between the RF source 310 and the backscatter device 305 may be limited by a minimum received power for triggering energy harvesting at the backscatter device 305, such as -20 decibel milliwatts (dBm) .
[0105] Once energy is sufficiently accumulated at the backscatter device 305, the backscatter device 305 may begin to reflect the radio wave that is radiated onto the backscatter device 305 via a backscatter link 315. For example, the RF source 310 may initiate a communication session (sometimes referred to as a query-response communication) with a query, which may be a modulating envelope of a continuous wave (CW) . The backscatter device 305 may respond by backscattering the CW. The communication session may include multiple rounds, such as for purposes of contention resolution when multiple backscatter devices respond to a query. A channel between the RF source 310 and the backscatter device 305 of the backscatter link 315 may be associated with a first backscatter link channel response value (sometimes referred to as a first backscatter link channel coefficient or a first backscatter link gain value) , hBD. As described below, the backscatter device 305 may have reflection-on periods and reflection-off periods that follow a pattern that is based at least in part on the transmission of information bits by the backscatter device 305. The reader 308 may detect the reflection pattern of the backscatter device 305 and obtain the backscatter communication information via the backscatter link 315. A channel between the reader 308 and the backscatter device 305 of the backscatter link 315 may be associated with a second backscatter link channel response value (sometimes referred to as a second backscatter link channel coefficient or a second backscatter link channel gain value) , hDU. In addition, the RF source 310 and the reader 308 may communicate (for example, reference signals and / or data signals) via a direct link 320. A channel between the RF source 310 and the reader 308 of the direct link 320 may be associated with a direct link channel response value (sometimes referred to as a direct link channel coefficient or a direct link channel gain value) , hBU.
[0106] The backscatter device 305 may use an information modulation scheme, such as amplitude shift keying (ASK) modulation or on-off keying (OOK) modulation. For ASK or OOK modulation, the backscatter device 305 may switch on reflection when transmitting an information bit “1” and switch off reflection when transmitting an information bit “0. ” In backscatter communication, the RF source 310 may transmit a particular radio wave (for example, a reference signal or a data signal, such as a physical downlink shared channel (PDSCH) ) , which may be denoted as x (n) . The reader 308 may receive this radio wave, x (n) , directly from the RF source 310 via the direct link 320, as well as from the backscatter device 305 modulating and reflect the radio wave to the reader 308 via the backscatter link 315. The signal received at the reader 308 via the direct link 320, indicated by reference number 325, is the product of the radio wave transmitted by the RF source 310, x (n) , multiplied by the direct link channel response value, hBU, plus any signal noise. The information bits signal of the backscatter device 305 may be denoted as s (n) where s (n) ∈ {0, 1} . Accordingly, the signal received at the reader 308 via the backscatter link 315, indicated by reference number 330, is the product of the signal transmitted by the RF source 310, x (n) , multiplied by the first backscatter link channel response value, hBD, the second backscatter link channel response value, hDU, the information bits signal from the backscatter device 305, s (n) , and a reflection coefficient associated with the backscatter device 305 plus any noise.
[0107] Thus, the resulting signal received at the reader 308, which is the superposition of the signal received via the direct link 320 and the signal received via the backscatter link 315, may be denoted as y (n) . This signal, y (n) , is shown by reference number 335. As shown, when s (n) =0 (indicated by reference number 340 in the plot shown at reference number 330) , the backscatter device 305 may switch off reflection, and thus the reader 308 receives only the direct link 320 signal. When s (n) =1 (indicated by reference number 345 in the plot shown at reference number 330) , the backscatter device 305 may switch on reflection, and thus the reader 308 receives a superposition of both the direct link 320 signal and the backscatter link 315 signal. To receive the information bits transmitted by the backscatter device 305, the reader 308 may first decode x (n) based at least in part on the direct link channel response value of hBU (n) by treating the backscatter link 315 signal as interference. The reader 308 may then detect the existence of the signal component. In some instances, the backscatter device 305 may not maintain a state from communication session to communication session except for what is stored in the backscatter device 305 memory, such as an electronic product code (EPC) associated with the backscatter device 305 or similar information.
[0108] In some aspects, the techniques and apparatuses described herein for ambient IoT device control information communication can be applied in association with communication of control information for backscatter communications as described with respect to Figure 3.
[0109] Figure 4 is a diagram illustrating examples 400-440 of topologies for ambient IoT devices.
[0110] Example 400 relates to a first topology, which may be referred to as Topology 1. In Topology 1, an ambient IoT device 450 may directly and bidirectionally communicate with one or more network nodes 110. For example, the ambient IoT device 450 and the one or more network nodes 110 may communicate ambient IoT data and / or signaling. In some examples, a first network node 110 may transmit communications to the ambient IoT device 450 and a second network node 110 may receive communications from the ambient IoT device 450.
[0111] Example 410 relates to a second topology, which may be referred to as Topology 2. In Topology 2, the ambient IoT device 450 may communicate bidirectionally with an intermediate node 460 between the ambient IoT device 450 and a network node 110. The intermediate node 460 may be any suitable device that is capable of ambient IoT, such as a relay, an IAB node, a UE 120, or a repeater, among other examples. The intermediate node 460 may transfer ambient IoT data and / or signaling between network node 110 and the ambient IoT device 450.
[0112] Example 420 relates to a third topology, which may be referred to as Topology 3. In some examples, in Topology 3, the ambient IoT device 450 may transmit ambient IoT data and / or signaling to a network node 110 and receive ambient IoT data and / or signaling from an assisting node 470. In some examples, in Topology 3, the ambient IoT device 450 may receive ambient IoT data and / or signaling from the network node 110 and transmit ambient IoT data and / or signaling to the assisting node 470. The assisting node may be any suitable device that is capable of ambient IoT, such as a relay, an IAB node, a UE 120, or a repeater, among other examples.
[0113] Example 430 relates to a fourth topology, which may be referred to as Topology 4. In Topology 4, an ambient IoT device 450 may bidirectionally communicate with a UE 120. For example, the ambient IoT device 450 and the UE 120 may communicate ambient IoT data and / or signaling.
[0114] In some aspects, the techniques and apparatuses described herein for ambient IoT device control information communication described herein can be applied to one or more topologies for ambient IoT device communication as described with respect to Figure 4.
[0115] Figure 5 is a diagram illustrating an example associated with communication of DL / FL control information to an ambient IoT device. As shown in Figure 5, a wireless communication device (WCD) 510 and an ambient IoT device 520 may communicate with one another. The wireless communication device 510 may be a network node 110 or a UE 120, among other examples. The ambient IoT device 520 may be an ambient IoT device 135, among other examples. For example, the ambient IoT device 520 may be a device 1, device 2a, or device 2b type ambient IoT device. The wireless communication device 510 and the ambient IoT device 520 may communicate in Topology 1, Topology 2, Topology 3, or Topology 4, as described above with respect to Figure 4.
[0116] In a first operation 530 and a second operation 540, the wireless communication device 510 and the ambient IoT device 520, respectively, may identify a configuration to be used for communication of DL / FL control information from the wireless communication device 510 to the ambient IoT device 520. In some aspects, the configuration defines a manner in which the wireless communication device 510 is to transmit DL / FL control information to the ambient IoT device 520.
[0117] In some aspects, the configuration may indicate that the DL / FL control information is to be communicated (at least partially) in one or more of a physical DL / FL control channel communication, a physical DL / FL data channel communication, or a MAC-CE. In some aspects, the wireless communication device 510 may transmit, and the ambient IoT device 520 may receive, DL / FL control information according to the configuration, as described below.
[0118] In a third operation 550 and a fourth operation 560, the wireless communication device 510 may transmit, and the ambient IoT device 520 may receive, respectively, the DL / FL control information. Here, the wireless communication device 510 transmits the DL / FL control information according to the configuration. Similarly, the ambient IoT device 520 receives the DL / FL control information according to the configuration.
[0119] In some aspects, according to the configuration, the wireless communication device 510 may transmit, and the ambient IoT device 520 may receive, the DL / FL control information at least partially in a physical DL / FL control channel. That is, the DL / FL control information may in some aspects be transmitted by the wireless communication device 510 and received by the ambient IoT device 520 at least partially in a physical DL / FL control channel communication in a physical DL / FL control channel. In some aspects, the physical DL / FL control channel is a physical channel that is separate from a physical DL / FL data channel in which physical DL / FL data is to be communicated.
[0120] In some aspects in which the DL / FL control information is communicated at least partially in a physical DL / FL control channel communication, the physical DL / FL control channel communication includes a preamble and the DL / FL control information. Further, the physical DL / FL control channel communication may in some aspects include a set of cyclic redundancy check (CRC) bits associated with the DL / FL control information, a header, a set of CRC bits associated with the header, or a postamble. In one example, the physical DL / FL control channel communication may include a preamble and the DL / FL control information. In another example, the physical DL / FL control channel communication may include a preamble, the DL / FL control information, and a set of CRC bits associated with the DL / FL control information. In another example, the physical DL / FL control channel communication may include a preamble, the DL / FL control information, a set of CRC bits associated with the DL / FL control information, and a postamble. In another example, the physical DL / FL control channel communication may include a preamble, a header, a set of CRC bits associated with the header, the DL / FL control information, and a set of CRC bits associated with the DL / FL control information. In another example, the physical DL / FL control channel communication may include a preamble, a header, the DL / FL control information, and a set of CRC bits associated with the DL / FL control information.
[0121] In some aspects in which the DL / FL control information is communicated at least partially in a physical DL / FL control channel communication, the physical DL / FL control channel communication is formatted according to a single format to be used for physical DL / FL control channel communications. That is, in some aspects, a single format may be used for physical DL / FL control channel communications. In some such aspects, a length of the DL / FL control information may be fixed (according to the format) . Here, the length may be based at least in part on a maximum required length of DL / FL control information. In an example in which a length of the DL / FL control information is shorter than the fixed length, the DL / FL control information may be zero-padded to reach the fixed length. In some aspects, the physical DL / FL control channel may include a bitfield that indicates a functionality of the DL / FL control information (for example, such that a purpose or function associated with the DL / FL control information can be identified based at least in part on a value carried in the bitfield) .
[0122] In some aspects in which the DL / FL control information is communicated at least partially in a physical DL / FL control channel communication, the physical DL / FL control channel communication is formatted according to a particular format of a plurality of formats to be used for physical DL / FL control channel communications. That is, in some aspects, different formats can be used for different physical DL / FL control channel communications. In one example, a first format may be used for DL / FL control information associated with DL / FL data communication scheduling, a second format may be used for DL / FL control information associated with UL / BL data communication scheduling, and a third format may be used for DL / FL control information associated with power control. In another example, a first format may be used for DL / FL control information associated with broadcasting, a second format may be used for DL / FL control information associated with groupcasting, and a third format may be used for DL / FL control information associated with unicasting. In this example, the first, second, and third formats may have different lengths. For example, the first format may have a shortest length (for example, because no destination identifier (ID) is needed for broadcast) , the second format may have a next-shortest length (for example, because a comparatively shorter destination ID may be needed for groupcast) , and the third format may have a longest length (for example, because a comparatively longer destination ID may be needed for unicast) . In some aspects, the physical DL / FL control channel communication includes an indication of the particular format. In some aspects, the indication of the particular format is carried in a preamble of the physical DL / FL control channel communication or in a header of the physical DL / FL control channel communication.
[0123] In some aspects in which the DL / FL control information is communicated at least partially in a physical DL / FL control channel communication, a CRC size, a coding rate, a data rate, or a scrambling characteristic differs between processing associated with the physical DL / FL control channel and processing associated with the physical DL / FL data channel. That is, the (separate) physical DL / FL control channel can in some aspects use a separate CRC, coding rate, data rate, or scrambling from the physical DL / FL data channel.
[0124] Additionally or alternatively, according to the configuration, the wireless communication device 510 may transmit, and the ambient IoT device 520 may receive, the DL / FL control information at least partially in a physical DL / FL data channel. That is, the DL / FL control information may in some aspects be transmitted by the wireless communication device 510 and received by the ambient IoT device 520 at least partially in a physical DL / FL data channel communication in the physical DL / FL data channel (for example, the same channel in which physical DL / FL data is to be communicated) .
[0125] In some aspects in which the DL / FL control information is communicated at least partially in a physical DL / FL data channel communication, the physical DL / FL data channel communication is formatted according to a single format to be used for physical DL / FL data channel communications. That is, in some aspects, transmission of DL / FL control information and DL / FL data may use the same (shared) format.
[0126] In some aspects in which the DL / FL control information is communicated at least partially in a physical DL / FL data channel communication, the physical DL / FL data channel communication is formatted according to a particular format of a plurality of formats to be used for physical DL / FL data channel communications. For example, a first format (for example, format 0 or format A) may be a format that is to be used for physical DL / FL data channel communications carrying DL / FL control information only, while a second format (for example, format 1 or format B) may be a format that is to be used for physical DL / FL data channel communications DL / FL data or for physical DL / FL data channel communications carrying both DL / FL data and control information.
[0127] In some such aspects, one or more characteristics may differ among the plurality of formats. For example, the first format (for example, the physical DL / FL data channel format is to be used for physical DL / FL data channel communications carrying DL / FL control information only) may not use a set of CRC bits or may use a set of CRC bits with a shorter length as compared to a set of CRC bits that is to be used in a physical DL / FL data channel communication that uses the second format (for example, the format that is to be used for physical DL / FL data channel communications carrying DL / FL data only or for physical DL / FL data channel communications carrying both DL / FL data and control information) . As another example, the first format may use a coding rate or modulation that differs from that used by the second format (for example, the first format may have a fixed coding rate and modulation, while the second format may use a different coding rate or modulation) . As another example, the first format may use a scrambling process or characteristic that differs from that used by the second format. Additionally, or alternatively, one or more characteristics may be the same among the plurality of formats (for example, CRC, coding rate, modulation, or scrambling may be the same for the first and second formats) .
[0128] Additionally or alternatively, according to the configuration, the wireless communication device 510 may transmit, and the ambient IoT device 520 may receive, the DL / FL control information at least partially in a MAC-CE. That is, the DL / FL control information may in some aspects be transmitted by the wireless communication device 510 and received by the ambient IoT device 520 at least partially in a MAC-CE.
[0129] In some aspects in which the DL / FL control information is communicated at least partially in a MAC-CE, the MAC-CE is formatted according to a single format to be used for MAC-CEs carrying DL / FL control information. That is, in some aspects, a single MAC-CE may be specified for use in communicating all types of DL / FL control information.
[0130] In some aspects, a size of the MAC-CE may be fixed. In such an aspect, the usage of one or more bitfields in the MAC-CE may be predefined. Further, in some such aspects, the size of the MAC-CE may be an integer number of bytes. In practice, if a length of the DL / FL control information is shorter than a length of a bitfield used to carry the DL / FL control information, the DL / FL control information may be zero-padded to reach the length of the bitfield used to carry the DL / FL control information.
[0131] Alternatively, a size of the MAC-CE may in some aspects be based at least in part on a type of the DL / FL control information. That is, in some aspects, the size of the MAC-CE may vary depending on the type of DL / FL control information being communicated. In some such aspects, one or more bitfields of the MAC-CE can be used to indicate a quantity of bits used for different types of DL / FL control information or to indicate a type of the DL / FL control information (for example, when a length for each type of DL / FL control information is predefined) . Here, “type of control information” may refer to, for example, a type of cast associated with the DL / FL control information (for example, broadcast, groupcast, or unicast) or a function associated with the DL / FL control information (for example, DL / FL scheduling, UL / BL scheduling, or power control, among other examples) , among other examples.
[0132] In some aspects in which the DL / FL control information is communicated at least partially in a MAC-CE, the MAC-CE may be multiplexed with DL / FL data. In some aspects, the MAC-CE and the DL / FL data may be separately coded or may use separate sets of CRC bits. Alternatively, the MAC-CE and the DL / FL data may in some aspects be jointly coded or may use the same set of CRC bits. In some such aspects, to realize an early indication, the ambient IoT device 520 can be configured to decode the MAC-CE without performing an error check using the joint set of CRC bits. In one example, a MAC-CE to be used for DL / FL control information associated with DL / FL scheduling may be separately coded and use a separate CRC, while another MAC-CE and DL / FL data are to be jointly coded and use a joint CRC. In another example, a MAC-CE to be used for DL / FL control information associated with DL / FL scheduling and a MAC-CE to be used for DL / FL control information associated with UL / BL scheduling may be separately coded and use separate sets of CRC bits, while another MAC-CE and DL / FL data may be jointly coded and use a joint CRC.
[0133] In some aspects in which the DL / FL control information is communicated at least partially in a MAC-CE, the MAC-CE may be formatted according to a particular format of a plurality of formats, where the format is associated with a type of the DL / FL control information. In some such aspects, each format in the plurality of formats is associated with a different type of DL / FL control information (in other words, each type of DL / FL control information may have an independent MAC-CE) . In one example, a first MAC-CE may be used for DL / FL control information associated with DL / FL scheduling, a second MAC-CE may be used for DL / FL control information associated with UL / BL scheduling, a third MAC-CE may be used for DL / FL control information associated with power control, and so on. In another example, a first MAC-CE may be used for DL / FL control information associated with DL / FL scheduling with unicast, a second MAC-CE may be used for DL / FL control information associated with DL / FL scheduling with groupcast, a third MAC-CE may be used for DL / FL control information associated with DL / FL scheduling with broadcast, a fourth MAC-CE may be used for DL / FL control information associated with UL / BL scheduling with unicast, a fifth MAC-CE may be used for DL / FL control information associated with UL / BL scheduling with groupcast, and a sixth MAC-CE may be used for DL / FL control information associated with UL / BL scheduling with broadcast. In some such aspects, a size of a given MAC-CE may be fixed or may be variable.
[0134] In some aspects, the DL / FL control information may be communicated in a combination of a physical DL / FL control channel communication in a physical DL / FL control channel, a physical DL / FL data channel communication in a physical DL / FL data channel, and / or a MAC-CE. Further, in some aspects, the manner in which the DL / FL control information is communicated may depend on a characteristic or type of the DL / FL control information. In one example, DL / FL or UL / BL scheduling information (for example, a time / frequency resource allocation for data scheduling, an ID for device identification, or a transport block size (TBS) indication, among other examples) may be carried in a physical DL / FL control channel communication or a physical DL / FL data channel communication, while other types of DL / FL control information may be carried in a MAC-CE (for example, a MAC-CE in which the other DL / FL control information and DL / FL data are jointly coded and use the same CRC) .
[0135] In some aspects, the DL / FL control information includes information associated with identifying the ambient IoT device 520, as described in further detail below with respect to Figure 7.
[0136] In this way, by enabling transmission and reception of DL / FL control information, the described techniques can be used to communicate physical DL / FL control information in order to support network functionality and efficiency in a manner that enables reliable communication for ambient IoT devices.
[0137] Figures 6A-6B are diagrams illustrating examples associated with communication of UL / BL control information to a wireless communication device.
[0138] As shown in Figure 6A, a wireless communication device (WCD) 610 and an ambient IoT device 620 may communicate with one another. The wireless communication device 610 may be a network node 110 or a UE 120, among other examples. The ambient IoT device 620 may be an ambient IoT device 135, among other examples. For example, the ambient IoT device 620 may be a device 1, device 2a, or device 2b type ambient IoT device. The wireless communication device 610 and the ambient IoT device 620 may communicate in Topology 1, Topology 2, Topology 3, or Topology 4, as described above with respect to Figure 4.
[0139] In a first operation 630 and a second operation 640, the ambient IoT device 620 and the wireless communication device 610, respectively, may identify a configuration to be used for communication of UL / BL control information from the ambient IoT device 620 to the wireless communication device 610. In some aspects, the configuration defines a manner in which the ambient IoT device 620 is to transmit UL / BL control information to the wireless communication device 610.
[0140] In some aspects, the configuration may indicate that the UL / BL control information is to be communicated (at least partially) in one or more of a physical UL / BL control channel communication, a physical UL / BL data channel communication, or a MAC-CE. In some aspects, the ambient IoT device 620 may transmit, and the wireless communication device 610 may receive, UL / BL control information according to the configuration, as described below.
[0141] In a third operation 650 and a fourth operation 560, the ambient IoT device 620 may transmit, and the wireless communication device 610 may receive, respectively, the UL / BL control information. Here, the ambient IoT device 620 transmits the UL / BL control information according to the configuration. Similarly, the wireless communication device 610 receives the UL / BL control information according to the configuration.
[0142] In some aspects, according to the configuration, the ambient IoT device 620 may transmit, and the wireless communication device 610 may receive, the UL / BL control information at least partially in a physical UL / BL control channel. That is, the UL / BL control information may in some aspects be transmitted by the ambient IoT device 620 and received by the wireless communication device 610 at least partially in a physical UL / BL control channel communication in a physical UL / BL control channel. In some aspects, the physical UL / BL control channel is a physical channel that is separate from a physical UL / BL data channel in which physical UL / BL data is to be communicated.
[0143] In some aspects in which the UL / BL control information is communicated at least partially in a physical UL / BL control channel communication, the physical UL / BL control channel communication includes a preamble and the UL / BL control information. Further, the physical UL / BL control channel communication may in some aspects include a set of CRC bits associated with the UL / BL control information, a header, a set of CRC bits associated with a header, or a postamble. In one example, the physical UL / BL control channel communication may include a preamble and the UL / BL control information. In another example, the physical UL / BL control channel communication may include a preamble, the UL / BL control information, and a set of CRC bits associated with the UL / BL control information. In another example, the physical UL / BL control channel communication may include a preamble, the UL / BL control information, a set of CRC bits associated with the UL / BL control information, and a postamble. In another example, the physical UL / BL control channel communication may include a preamble, a header, a set of CRC bits associated with the header, the UL / BL control information, and a set of CRC bits associated with the UL / BL control information. In another example, the physical UL / BL control channel communication may include a preamble, a header, the UL / BL control information, and a set of CRC bits associated with the UL / BL control information.
[0144] In some aspects in which the UL / BL control information is communicated at least partially in a physical UL / BL control channel communication, the physical UL / BL control channel communication is formatted according to a single format to be used for physical UL / BL control channel communications. That is, in some aspects, a single format may be used for physical UL / BL control channel communications. In some such aspects, a length of the UL / BL control information may be fixed (according to the format) . Here, the length may be based at least in part on a maximum required length of UL / BL control information. In an example in which a length of the UL / BL control information is shorter than the fixed length, the UL / BL control information may be zero-padded to reach the fixed length. In some aspects, the physical UL / BL control channel may include a bitfield that indicates a functionality of the UL / BL control information (for example, such that a purpose or function associated with the UL / BL control information can be identified based at least in part on a value carried in the bitfield) .
[0145] In some aspects in which the UL / BL control information is communicated at least partially in a physical UL / BL control channel communication, the physical UL / BL control channel communication is formatted according to a particular format of a plurality of formats to be used for physical UL / BL control channel communications. That is, in some aspects, different formats can be used for different physical UL / BL control channel communications. As an example, different formats may be used for UL / BL control information including feedback information (for example, an acknowledgement (ACK) or a negative acknowledgement (NACK) ) , UL / BL control information including different types of feedback information (or command operation results, such as a success or a failure and associated failure code) , UL / BL control information associated with a buffer status report (BSR) , UL / BL control information associated with a memory status report, or UL / BL control information associated with energy headroom or energy harvesting status reporting, among other examples. In some aspects, the physical UL / BL control channel communication includes an indication of the particular format. In some aspects, the indication of the particular format is carried in a preamble of the physical UL / BL control channel communication or in a header of the physical UL / BL control channel communication. In some aspects, the ambient IoT device 620 may not need to indicate the particular format. For example, the resource for UL / BL transmission may be scheduled by the wireless communication device 610. Therefore, the wireless communication device 602 can have knowledge of a type of UL / BL information being transmitted by the ambient IoT device 620 if, for example, the wireless communication device 602 indicates a type of UL / BL information to be provided in association with scheduling the resource. In some aspects in which the UL / BL control information is communicated at least partially in a physical UL / BL control channel communication, a CRC size, a coding rate, a data rate, or a scrambling characteristic differs between processing associated with the physical UL / BL control channel and processing associated with the physical UL / BL data channel. That is, the (separate) physical UL / BL control channel can in some aspects use a separate CRC, coding rate, data rate, or scrambling from the physical UL / BL data channel.
[0146] Additionally or alternatively, according to the configuration, the ambient IoT device 620 may transmit, and the wireless communication device 610 may receive, the UL / BL control information at least partially in a physical UL / BL data channel. That is, the UL / BL control information may in some aspects be transmitted by the ambient IoT device 620 and received by the wireless communication device 610 at least partially in a physical UL / BL data channel communication in the physical UL / BL data channel (for example, the same channel in which physical UL / BL data is to be communicated) .
[0147] In some aspects in which the UL / BL control information is communicated at least partially in a physical UL / BL data channel communication, the physical UL / BL data channel communication is formatted according to a single format to be used for physical UL / BL data channel communications. That is, in some aspects, transmission of UL / BL control information and UL / BL data may use the same (shared) format.
[0148] In some aspects in which the UL / BL control information is communicated at least partially in a physical UL / BL data channel communication, the physical UL / BL data channel communication is formatted according to a particular format of a plurality of formats to be used for physical UL / BL data channel communications. For example, a first format (for example, format 0 or format A) may be a format that is to be used for physical UL / BL data channel communications carrying UL / BL control information, while a second format (for example, format 1 or format B) may be a format that is to be used for physical UL / BL data channel communications UL / BL data. As another example, a first format may be a format that is to be used for physical UL / BL data channel communications carrying a first type of UL / BL control information (for example, feedback information such as an ACK / NACK indication) , while a second format may be a format that is to be used for physical UL / BL data channel communications carrying one or more other types of UL / BL control information or for carrying UL / BL data. Thus, in some aspects, formats in the plurality of formats may each be associated with a different type UL / BL control information.
[0149] In another example, formats in the plurality of formats may each be associated with different sizes of one or more types of UL / BL control information. For example, a first format may be a format to be used for single-bit UL / BL control information (for example, single bit feedback information) , a second format may be a format to be used for UL / BL control information (for example, feedback information, a BSR, a memory status report, an energy harvesting report, or an energy headroom report, among other examples) in a first range of sizes (for example, a length greater than one bit and less than or equal to M (M > 1) bits) , and a third format may be a format to be used for UL / BL control information in a second range of sizes (for example, a length that is greater than M bits) .
[0150] In some such aspects, one or more characteristics may differ among the plurality of formats. For example, a first format (for example, the format to be used for physical UL / BL data channel communications carrying only UL / BL control information) may not use a set of CRC bits, or may use a set of CRC bits with a shorter length as compared to a set of CRC bits that is to be used in a physical UL / BL data channel communication that uses a second format (for example, the format to be used for physical UL / BL control channel communications carrying UL / BL data) . As another example, the first format may use a coding rate or modulation that differs from that used by the second format (for example, the first format may have a fixed coding rate and modulation, while the second format may use a different coding rate or modulation) . As another example, the first format may use a scrambling process or characteristic that differs from that used by the second format. In another particular example, a first format (for example, the format to be used for single-bit UL / BL control information) and a second format (for example, the physical UL / BL data channel format to be used for UL / BL control information having a length that is less than or equal to M bits) may not use a set of CRC bits or may use a set of CRC bits with a shorter length as compared to a set of CRC bits that is to be used in a physical UL / BL data channel communication that uses a third format (for example, the physical UL / BL data channel format to be used for UL / BL control information having a length that greater than M bits) . Additionally, or alternatively, one or more characteristics may be the same among the plurality of formats (for example, CRC, coding rate, modulation, or scrambling may be the same for the first and second formats) .
[0151] Additionally or alternatively, according to the configuration, the ambient IoT device 620 may transmit, and the wireless communication device 610 may receive, the UL / BL control information at least partially in a MAC-CE. That is, the UL / BL control information may in some aspects be transmitted by the ambient IoT device 620 and received by the wireless communication device 610 at least partially in a MAC-CE.
[0152] In some aspects in which the UL / BL control information is communicated at least partially in a MAC-CE, the MAC-CE is formatted according to a single format to be used for MAC-CEs carrying UL / BL control information. That is, in some aspects, a single MAC-CE may be specified for use in communicating all types of UL / BL control information.
[0153] In some aspects, a size of the MAC-CE may be fixed. In such an aspect, the usage of one or more bitfields in the MAC-CE may be predefined. In one example, a length of the MAC-CE may be N bits, where a first bitfield of n1 (n1 < N) bits is used to carry feedback information, a second bitfield of n2 bits (n2 < N) bits is used to carry a BSR, and so on. Further, in some such aspects, the size of the MAC-CE may be an integer number of bytes. In practice, if a length of the UL / BL control information is shorter than a length of a bitfield used to carry the UL / BL control information, the UL / BL control information may be zero-padded to reach the length of the bitfield used to carry the UL / BL control information.
[0154] Alternatively, a size of the MAC-CE may in some aspects be based at least in part on a type of the UL / BL control information. That is, in some aspects, the size of the MAC-CE may be vary depending on the type of UL / BL control information being communicated. In some such aspects, one or more bitfields of the MAC-CE can be used to indicate a quantity of bits used for different types of UL / BL control information or to indicate a type of the UL / BL control information (for example, when a length for each type of UL / BL control information is predefined) .
[0155] In some aspects in which the UL / BL control information is communicated at least partially in a MAC-CE, the MAC-CE may be formatted according to a particular format of a plurality of formats, where the format is associated with a type of the UL / BL control information. In some such aspects, each format in the plurality of formats is associated with a different type of UL / BL control information (in other words, each type of UL / BL control information may have an independent MAC-CE) . In one example, a first MAC-CE may be used for carrying UL / BL control information including an indication of a command operation result (for example, a success or a failure and an associated failure code) , a second type of MAC-CE maybe used for carrying UL / BL control information including a BSR, a third MAC-CE may be used for carrying UL / BL control information including a memory status report, a fourth MAC-CE may be used for carrying UL / BL control information including an energy headroom report, a fifth MAC-CE may be used for carrying UL / BL control information including an energy harvesting status report, and so on. In some such aspects, a MAC-CE used for carrying feedback information may have a fixed size, and a MAC-CE to be used for carrying other types of UL / BL control information may have a fixed size or a variable size. Further, in some such aspects, multiple types of UL / BL control information may be carried in the same MAC-CE (for example, a first MAC-CE may be used to carry a memory status report and a BSR, or a second MAC-CE may be used to carry an energy harvest status report and an energy headroom report) . Figure 6B is a diagram illustrating examples of MAC-CEs that can be used for communication of control information as described herein.
[0156] In some aspects, the UL / BL control information may be communicated in a combination of a physical UL / BL control channel communication in a physical UL / BL control channel, a physical UL / BL data channel communication in a physical UL / BL data channel, and / or a MAC-CE. Further, in some aspects, the manner in which the UL / BL control information is communicated may depend on a characteristic or type of the UL / BL control information. In one example, if a quantity of bits of bits in the UL / BL control information is less than M bits, then the UL / BL control information may be communicated in a physical UL / BL control channel or a physical UL / BL data channel, whereas the UL / BL control information may be communicated in a MAC-CE if the quantity of bits in the UL / BL control information is greater than M bits.
[0157] In some aspects, the UL / BL control information includes information associated with identifying the ambient IoT device 620, as described in further detail below with respect to Figure 7.
[0158] In this way, by enabling transmission and reception of UL / BL control information, the described techniques can be used to communicate physical UL / BL control information in order to support network functionality and efficiency in a manner that enables reliable communication for ambient IoT devices.
[0159] Figure 7 is a diagram illustrating examples 700 and 710 associated with communication of one or more device identifiers in association with communication of DL / FL or UL / BL control information. In examples 700 and 710, the reader device 720 corresponds to a wireless communication device such as a network node 110, a UE 120, a wireless communication device 510, or a wireless communication device 610, while the ambient IoT device 730 corresponds to an ambient IoT device such as the ambient IoT device 135, the ambient IoT device 520, or the ambient IoT device 620.
[0160] In some aspects, control information communicated between the reader device 720 and the ambient IoT device 730 (for example, DL / FL control information or UL / BL control information) may include information associated with identifying the ambient IoT device 730. In some aspects, no gap in the time domain may be present between the communication carrying the control information (for example, DL / FL control information or UL / BL control information) and a communication carrying associated data (for example, DL / FL data or UL / BL data) . In some such aspects, the information associated with identifying the ambient IoT device 730 may be carried in the control information only. Alternatively, the information associated with identifying the ambient IoT device 730 may be carried in both the control information and in the associated data. In some aspects, the information associated with identifying the ambient IoT device 730 includes an explicit indication of one or more device IDs. Additionally or alternatively, the information associated with identifying the ambient IoT device 730 includes an implicit indication of one or more device IDs. In some examples, the implicit indication may be provided by scrambling the associated data or a set of CRC bits using one or more of the device IDs. In some aspects, a gap in the time domain may be present between the communication carrying the control information and a communication carrying associated data. In such an aspect, the information associated with identifying the ambient IoT device 730 may be carried in both the control information and in the associated data. Further, a communication carrying the control information and a communication carrying the associated data may each include a preamble (for example, the same preamble or different preambles) .
[0161] In some aspects, the information associated with identifying the ambient IoT device 730 may be based at least in part on a type of a device ID associated with the ambient IoT device 730. For example, if a device ID of the ambient IoT device 730 is a global device ID, then the information associated with identifying the ambient IoT device may in some aspects include the global device ID of the ambient IoT device 730. A global device ID may include, for example, a hardware ID, an application ID, or a network allocated globally unique ID, among other examples. In some examples, the information associated with identifying the ambient IoT device 730 may include the global device ID only, irrespective of whether a transmitter (Tx) reader device 720 associated with the ambient IoT device 730 is the same device as a receiver (Rx) reader device 720 associated with the ambient IoT device 730, as illustrated in Figure 7.
[0162] As another example, if a device ID of the ambient IoT device 730 is a not global device ID, such as when the device ID of the ambient IoT device 730 is a temporary ID (in other words, a non-permanent or non-globally-unique ID) , then the information associated with identifying the ambient IoT device may in some aspects include the temporary device ID of the ambient IoT device 730 and a device ID of a single reader device 720 associated with the ambient IoT device. In some aspects, the information associated with identifying the ambient IoT device 730 may include the temporary device ID of the ambient IoT device 730 and a device ID of a single reader device 720 when the Tx reader device 720 associated with the ambient IoT device 730 is the same device as the Rx reader device 720 associated with the ambient IoT device 730, as illustrated in example 700.
[0163] As another example, if a device ID of the ambient IoT device 730 is a not global device ID, such as when the device ID of the ambient IoT device 730 is a temporary ID (in other words, a non-permanent or non-globally-unique ID) , then the information associated with identifying the ambient IoT device may in some aspects include the temporary device ID of the ambient IoT device 730 and one or more device IDs of one or more reader devices 720 associated with the ambient IoT device. In some aspects, the information associated with identifying the ambient IoT device 730 may include the temporary device ID of the ambient IoT device 730 and one or more device IDs of one or more reader devices 720 when the Tx reader device 720 associated with the ambient IoT device 730 is not the same device as the Rx reader device 720 associated with the ambient IoT device 730, as illustrated in example 710.
[0164] In one particular example, as illustrated in example 710, the information associated with identifying the ambient IoT device 730 may include the temporary device ID of the ambient IoT device 730 and a device ID of a Tx reader device 720 associated with the ambient IoT device 730 in association with communication of DL / FL control information. In some such aspects, the information associated with identifying the ambient IoT device 730 may in some aspects further include a device ID of the Rx reader device 720 associated with the ambient IoT device 730.
[0165] In another particular example, as illustrated in example 710, the information associated with identifying the ambient IoT device 730 may include the temporary device ID of the ambient IoT device 730 and a device ID of the Rx reader device 720 associated with the ambient IoT device 730 in association with communication of UL / BL control information. In some such aspects, the information associated with identifying the ambient IoT device 730 may further include a device ID of the Tx reader device 720 associated with the ambient IoT device 730.
[0166] Figure 8 is a flowchart illustrating an example process 800 performed, for example, at a wireless communication device or an apparatus of a wireless communication device that supports ambient IoT device control information communication. Example process 800 is an example where the apparatus or the wireless communication device (for example, a network node 110, a UE 120, or a wireless communication device 510) performs operations associated with ambient IoT device control information communication.
[0167] As shown in Figure 8, in some aspects, process 800 may include identifying a configuration to be used for transmitting DL / FL control information to an ambient IoT device (block 810) . For example, the wireless communication device (such as by using communication manager 140, communication manager 150, or identification component 1208, depicted in Figure 12) may identify a configuration to be used for transmitting DL / FL control information to an ambient IoT device, as described above.
[0168] As further shown in Figure 8, in some aspects, process 800 may include transmitting the DL / FL control information to the ambient IoT device, wherein, according to the configuration, the DL / FL control information is transmitted at least partially in at least one of: a physical DL / FL control channel communication in a physical DL / FL control channel, the physical DL / FL control channel being separate from a physical DL / FL data channel, a physical DL / FL data channel communication in the physical DL / FL data channel, or a MAC-CE (block 820) . For example, the wireless communication device (such as by using communication manager 140, a communication manager 150, or transmission component 1204, depicted in Figure 12) may transmit the DL / FL control information to the ambient IoT device, wherein, according to the configuration, the DL / FL control information is transmitted at least partially in at least one of: a physical DL / FL control channel communication in a physical DL / FL control channel, the physical DL / FL control channel being separate from a physical DL / FL data channel, a physical DL / FL data channel communication in the physical DL / FL data channel, or a MAC-CE, as described above.
[0169] Process 800 may include additional aspects, such as any single aspect or any combination of aspects described below or in connection with one or more other processes described elsewhere herein.
[0170] In a first additional aspect, the DL / FL control information is transmitted at least partially in the physical DL / FL control channel communication, and the physical DL / FL control channel communication includes a preamble and the DL / FL control information.
[0171] In a second additional aspect, alone or in combination with the first aspect, the physical DL / FL control channel communication further includes at least one of a set of CRC bits associated with the DL / FL control information, a set of CRC bits associated with a header, or a postamble.
[0172] In a third additional aspect, alone or in combination with one or more of the first and second aspects, the DL / FL control information is transmitted at least partially in the physical DL / FL control channel communication, and the physical DL / FL control channel communication is formatted according to a single format to be used for physical DL / FL control channel communications.
[0173] In a fourth additional aspect, alone or in combination with one or more of the first through third aspects, the DL / FL control information is transmitted at least partially in the physical DL / FL control channel communication, and the physical DL / FL control channel communication is formatted according to a particular format of a plurality of formats to be used for physical DL / FL control channel communications.
[0174] In a fifth additional aspect, alone or in combination with one or more of the first through fourth aspects, the physical DL / FL control channel communication includes an indication of the particular format, the indication of the particular format being carried in at least one of a preamble of the physical DL / FL control channel communication or a header of the physical DL / FL control channel communication.
[0175] In a sixth additional aspect, alone or in combination with one or more of the first through fifth aspects, the DL / FL control information is transmitted at least partially in the physical DL / FL control channel communication, and at least one of a CRC size, a coding rate, a data rate, or a scrambling characteristic differs between processing associated with the physical DL / FL control channel and processing associated with the physical DL / FL data channel.
[0176] In a seventh additional aspect, alone or in combination with one or more of the first through sixth aspects, the DL / FL control information is transmitted at least partially in the physical DL / FL data channel communication, and the physical DL / FL data channel communication is formatted according to a single format to be used for physical DL / FL data channel communications.
[0177] In an eighth additional aspect, alone or in combination with one or more of the first through seventh aspects, the DL / FL control information is transmitted at least partially in the physical DL / FL data channel communication, and the physical DL / FL data channel communication is formatted according to a particular format of a plurality of formats to be used for physical DL / FL data channel communications.
[0178] In a ninth additional aspect, alone or in combination with one or more of the first through eighth aspects, a first format of the plurality of formats is to be used for carrying DL / FL control information only, and a second format of the plurality of formats is to be used for carrying at least one of DL / FL data or DL / FL control information.
[0179] In a tenth additional aspect, alone or in combination with one or more of the first through ninth aspects, the DL / FL control information is transmitted at least partially in the MAC-CE, wherein the MAC-CE is formatted according to a single format to be used for MAC-CEs carrying DL / FL control information.
[0180] In an eleventh additional aspect, alone or in combination with one or more of the first through tenth aspects, a size of the MAC-CE is fixed.
[0181] In a twelfth additional aspect, alone or in combination with one or more of the first through eleventh aspects, a size of the MAC-CE is based at least in part on a type of the DL / FL control information.
[0182] In a thirteenth additional aspect, alone or in combination with one or more of the first through twelfth aspects, the DL / FL control information is transmitted at least partially in the MAC-CE, wherein the MAC-CE is formatted according to a particular format of a plurality of formats, wherein the format is associated with a type of the DL / FL control information.
[0183] In a fourteenth additional aspect, alone or in combination with one or more of the first through thirteenth aspects, each format in the plurality of formats is associated with a different type of DL / FL control information.
[0184] In a fifteenth additional aspect, alone or in combination with one or more of the first through fourteenth aspects, the DL / FL control information is transmitted at least partially in the MAC-CE, wherein the MAC-CE is multiplexed with DL / FL data.
[0185] In a sixteenth additional aspect, alone or in combination with one or more of the first through fifteenth aspects, the DL / FL control information includes information associated with identifying the ambient IoT device.
[0186] In a seventeenth additional aspect, alone or in combination with one or more of the first through sixteenth aspects, a device ID of the ambient IoT device is a global device ID, and the information associated with identifying the ambient IoT device includes the device ID of the ambient IoT device.
[0187] In an eighteenth additional aspect, alone or in combination with one or more of the first through seventeenth aspects, a device ID of the ambient IoT device is not a global device ID, and the information associated with identifying the ambient IoT device includes the device ID of the ambient IoT device and a device ID of a reader device associated with the ambient IoT device.
[0188] In a nineteenth additional aspect, alone or in combination with one or more of the first through eighteenth aspects, a device ID of the ambient IoT device is not a global device ID, and the information associated with identifying the ambient IoT device includes the device ID of the ambient IoT device and a device ID of a transmitter reader device associated with the ambient IoT device.
[0189] In a twentieth additional aspect, alone or in combination with one or more of the first through nineteenth aspects, the information associated with identifying the ambient IoT device further includes a device ID of a receiver reader device associated with the ambient IoT device.
[0190] In a twenty-first additional aspect, alone or in combination with one or more of the first through twentieth aspects, the information associated with identifying the ambient IoT device includes an explicit indication of one or more device identifiers.
[0191] In a twenty-second additional aspect, alone or in combination with one or more of the first through twenty-first aspects, the information associated with identifying the ambient IoT device includes an implicit indication of one or more device identifiers.
[0192] Figure 9 is a flowchart illustrating an example process 900 performed, for example, at an ambient IoT device or an apparatus of an ambient IoT device that supports ambient IoT device control information communication. Example process 900 is an example where the apparatus or the ambient IoT device (for example, an ambient IoT device 135, or an ambient IoT device 520) performs operations associated with ambient internet of things device control information communication.
[0193] As shown in Figure 9, in some aspects, process 900 may include identifying a configuration to be used by a wireless communication device for transmitting DL / FL control information to be received by the ambient IoT device (block 910) . For example, the ambient IoT device (such as by using communication manager 138 or identification component 1308, depicted in Figure 13) may identify a configuration to be used by a wireless communication device for transmitting DL / FL control information to be received by the ambient IoT device, as described above.
[0194] As further shown in Figure 9, in some aspects, process 900 may include receiving the DL / FL control information according to the configuration, wherein, according to the configuration, the DL / FL control information is received at least partially in at least one of: a physical DL / FL control channel communication in a physical DL / FL control channel, the physical DL / FL control channel being separate from a physical DL / FL data channel, a physical DL / FL data channel communication in the physical DL / FL data channel, or a MAC-CE (block 920) . For example, the ambient IoT device (such as by using communication manager 138 or reception component 1302, depicted in Figure 13) may receive the DL / FL control information according to the configuration, wherein, according to the configuration, the DL / FL control information is received at least partially in at least one of: a physical DL / FL control channel communication in a physical DL / FL control channel, the physical DL / FL control channel being separate from a physical DL / FL data channel, a physical DL / FL data channel communication in the physical DL / FL data channel, or a MAC-CE, as described above.
[0195] Process 900 may include additional aspects, such as any single aspect or any combination of aspects described below or in connection with one or more other processes described elsewhere herein.
[0196] In a first additional aspect, the DL / FL control information is received at least partially in the physical DL / FL control channel communication, and the physical DL / FL control channel communication includes a preamble and the DL / FL control information.
[0197] In a second additional aspect, alone or in combination with the first aspect, the physical DL / FL control channel communication further includes at least one of a set of CRC bits associated with the DL / FL control information, a set of CRC bits associated with a header, or a postamble.
[0198] In a third additional aspect, alone or in combination with one or more of the first and second aspects, the DL / FL control information is received at least partially in the physical DL / FL control channel communication, and the physical DL / FL control channel communication is formatted according to a single format to be used for physical DL / FL control channel communications.
[0199] In a fourth additional aspect, alone or in combination with one or more of the first through third aspects, the DL / FL control information is received at least partially in the physical DL / FL control channel communication, and the physical DL / FL control channel communication is formatted according to a particular format of a plurality of formats to be used for physical DL / FL control channel communications.
[0200] In a fifth additional aspect, alone or in combination with one or more of the first through fourth aspects, the physical DL / FL control channel communication includes an indication of the particular format, the indication of the particular format being carried in at least one of a preamble of the physical DL / FL control channel communication or a header of the physical DL / FL control channel communication.
[0201] In a sixth additional aspect, alone or in combination with one or more of the first through fifth aspects, the DL / FL control information is received at least partially in the physical DL / FL control channel communication, and at least one of a CRC size, a coding rate, a data rate, or a scrambling characteristic differs between processing associated with the physical DL / FL control channel and processing associated with the physical DL / FL data channel.
[0202] In a seventh additional aspect, alone or in combination with one or more of the first through sixth aspects, the DL / FL control information is received at least partially in the physical DL / FL data channel communication, and the physical DL / FL data channel communication is formatted according to a single format to be used for physical DL / FL data channel communications.
[0203] In an eighth additional aspect, alone or in combination with one or more of the first through seventh aspects, the DL / FL control information is received at least partially in the physical DL / FL data channel communication, and the physical DL / FL data channel communication is formatted according to a particular format of a plurality of formats to be used for physical DL / FL data channel communications.
[0204] In a ninth additional aspect, alone or in combination with one or more of the first through eighth aspects, a first format of the plurality of formats is to be used for carrying DL / FL control information only, and a second format of the plurality of formats is to be used for carrying at least one of DL / FL data or DL / FL control information.
[0205] In a tenth additional aspect, alone or in combination with one or more of the first through ninth aspects, the DL / FL control information is received at least partially in the MAC-CE, wherein the MAC-CE is formatted according to a single format to be used for MAC-CEs carrying DL / FL control information.
[0206] In an eleventh additional aspect, alone or in combination with one or more of the first through tenth aspects, a size of the MAC-CE is fixed.
[0207] In a twelfth additional aspect, alone or in combination with one or more of the first through eleventh aspects, a size of the MAC-CE is based at least in part on a type of the DL / FL control information.
[0208] In a thirteenth additional aspect, alone or in combination with one or more of the first through twelfth aspects, the DL / FL control information is received at least partially in the MAC-CE, wherein the MAC-CE is formatted according to a particular format of a plurality of formats, and wherein the format is associated with a type of the DL / FL control information.
[0209] In a fourteenth additional aspect, alone or in combination with one or more of the first through thirteenth aspects, each format in the plurality of formats is associated with a different type of DL / FL control information.
[0210] In a fifteenth additional aspect, alone or in combination with one or more of the first through fourteenth aspects, the DL / FL control information is received at least partially in the MAC-CE, wherein the MAC-CE is multiplexed with DL / FL data.
[0211] In a sixteenth additional aspect, alone or in combination with one or more of the first through fifteenth aspects, the DL / FL control information includes information associated with identifying the ambient IoT device.
[0212] In a seventeenth additional aspect, alone or in combination with one or more of the first through sixteenth aspects, a device ID of the ambient IoT device is a global device ID, and the information associated with identifying the ambient IoT device includes the device ID of the ambient IoT device.
[0213] In an eighteenth additional aspect, alone or in combination with one or more of the first through seventeenth aspects, a device ID of the ambient IoT device is not a global device ID, and the information associated with identifying the ambient IoT device includes the device ID of the ambient IoT device and a device ID of a reader device associated with the ambient IoT device.
[0214] In a nineteenth additional aspect, alone or in combination with one or more of the first through eighteenth aspects, a device ID of the ambient IoT device is not a global device ID, and the information associated with identifying the ambient IoT device includes the device ID of the ambient IoT device and a device ID of a transmitter reader device associated with the ambient IoT device.
[0215] In a twentieth additional aspect, alone or in combination with one or more of the first through nineteenth aspects, the information associated with identifying the ambient IoT device further includes a device ID of a receiver reader device associated with the ambient IoT device.
[0216] In a twenty-first additional aspect, alone or in combination with one or more of the first through twentieth aspects, the information associated with identifying the ambient IoT device includes an explicit indication of one or more device identifiers.
[0217] In a twenty-second additional aspect, alone or in combination with one or more of the first through twenty-first aspects, the information associated with identifying the ambient IoT device includes an implicit indication of one or more device identifiers.
[0218] Figure 10 is a flowchart illustrating an example process 1000 performed, for example, at an ambient IoT device or an apparatus of an ambient IoT device that supports ambient IoT device control information communication. Example process 1000 is an example where the apparatus or the ambient IoT device (for example, ambient IoT device 135, ambient IoT device 620) performs operations associated with ambient internet of things device control information communication.
[0219] As shown in Figure 10, in some aspects, process 1000 may include identifying a configuration to be used for transmitting UL / BL control information to a wireless communication device (block 1010) . For example, the ambient IoT device (such as by using communication manager 138 or identification component 1308, depicted in Figure 13) may identify a configuration to be used for transmitting UL / BL control information to a wireless communication device, as described above.
[0220] As further shown in Figure 10, in some aspects, process 1000 may include transmitting the UL / BL control information to the wireless communication device, wherein, according to the configuration, the UL / BL control information is transmitted at least partially in at least one of: a physical UL / BL control channel communication in a physical UL / BL control channel, the physical UL / BL control channel being separate from a physical UL / BL data channel, a physical UL / BL data channel communication in the physical UL / BL data channel, or a MAC-CE (block 1020) . For example, the ambient IoT device (such as by using communication manager 138 or transmission component 1304, depicted in Figure 13) may transmit the UL / BL control information to the wireless communication device, wherein, according to the configuration, the UL / BL control information is transmitted at least partially in at least one of: a physical UL / BL control channel communication in a physical UL / BL control channel, the physical UL / BL control channel being separate from a physical UL / BL data channel, a physical UL / BL data channel communication in the physical UL / BL data channel, or a MAC-CE, as described above.
[0221] Process 1000 may include additional aspects, such as any single aspect or any combination of aspects described below or in connection with one or more other processes described elsewhere herein.
[0222] In a first additional aspect, the UL / BL control information is transmitted at least partially in the physical UL / BL control channel communication, and the physical UL / BL control channel communication includes a preamble and the UL / BL control information.
[0223] In a second additional aspect, alone or in combination with the first aspect, the physical UL / BL control channel communication further includes at least one of a set of CRC bits associated with the UL / BL control information, a set of CRC bits associated with a header, or a postamble.
[0224] In a third additional aspect, alone or in combination with one or more of the first and second aspects, the UL / BL control information is transmitted at least partially in the physical UL / BL control channel communication, and the physical UL / BL control channel communication is formatted according to a single format to be used for physical UL / BL control channel communications.
[0225] In a fourth additional aspect, alone or in combination with one or more of the first through third aspects, the UL / BL control information is transmitted at least partially in the physical UL / BL control channel communication, and the physical UL / BL control channel communication is formatted according to a particular format of a plurality of formats to be used for physical UL / BL control channel communications.
[0226] In a fifth additional aspect, alone or in combination with one or more of the first through fourth aspects, the physical UL / BL control channel communication includes an indication of the particular format, the indication of the particular format being carried in at least one of a preamble of the physical UL / BL control channel communication or a header of the physical UL / BL control channel communication.
[0227] In a sixth additional aspect, alone or in combination with one or more of the first through fifth aspects, the UL / BL control information is transmitted at least partially in the physical UL / BL control channel communication, and at least one of a CRC size, a coding rate, a data rate, or a scrambling characteristic differs between processing associated with the physical UL / BL control channel and the physical UL / BL data channel.
[0228] In a seventh additional aspect, alone or in combination with one or more of the first through sixth aspects, the UL / BL control information is transmitted at least partially in the physical UL / BL data channel communication, and the physical UL / BL data channel communication is formatted according to a single format to be used for physical UL / BL data channel communications.
[0229] In an eighth additional aspect, alone or in combination with one or more of the first through seventh aspects, the UL / BL control information is transmitted at least partially in the physical UL / BL data channel communication, and the physical UL / BL data channel communication is formatted according to a particular format of a plurality of formats to be used for physical UL / BL data channel communications.
[0230] In a ninth additional aspect, alone or in combination with one or more of the first through eighth aspects, a first format of the plurality of formats is to be used for carrying UL / BL control information only, and a second format of the plurality of formats is to be used for carrying UL / BL data. In some aspects, at least one of a CRC size, a coding rate, a data rate, or a scrambling characteristic differs between processing associated with the first format and processing associated with the second format.
[0231] In a tenth additional aspect, alone or in combination with one or more of the first through ninth aspects, a first format of the plurality of formats is to be used for carrying acknowledgment information, and a second format of the plurality of formats is to be used for carrying UL / BL data and UL / BL control information other than acknowledgment information.
[0232] In an eleventh additional aspect, alone or in combination with one or more of the first through tenth aspects, a first format of the plurality of formats is to be used for carrying a first type of UL / BL control information and a second format of the plurality of formats is to be used for carrying a second type of UL / BL control information.
[0233] In a twelfth additional aspect, alone or in combination with one or more of the first through eleventh aspects, a first format of the plurality of formats is to be used for carrying UL / BL control information with a size in a first range of sizes and a second format of the plurality of formats is to be used for carrying UL / BL control information with a size in a second range of sizes.
[0234] In a thirteenth additional aspect, alone or in combination with one or more of the first through twelfth aspects, the UL / BL control information is transmitted at least partially in the MAC-CE, wherein the MAC-CE is formatted according to a single format to be used for MAC-CEs carrying DL / FL control information.
[0235] In a fourteenth additional aspect, alone or in combination with one or more of the first through thirteenth aspects, a size of the MAC-CE is fixed.
[0236] In a fifteenth additional aspect, alone or in combination with one or more of the first through fourteenth aspects, a size of the MAC-CE is based at least in part on a type of the UL / BL control information.
[0237] In a sixteenth additional aspect, alone or in combination with one or more of the first through fifteenth aspects, the UL / BL control information is transmitted at least partially in the MAC-CE, wherein the MAC-CE is formatted according to a particular format of a plurality of formats, and wherein the format is associated with a type of the UL / BL control information.
[0238] In a seventeenth additional aspect, alone or in combination with one or more of the first through sixteenth aspects, a format in the plurality of formats is associated with a single type of UL / BL control information.
[0239] In an eighteenth additional aspect, alone or in combination with one or more of the first through seventeenth aspects, a format in the plurality of formats is associated with a plurality of types of UL / BL control information.
[0240] In a nineteenth additional aspect, alone or in combination with one or more of the first through eighteenth aspects, the UL / BL control information includes information associated with identifying the ambient IoT device.
[0241] In a twentieth additional aspect, alone or in combination with one or more of the first through nineteenth aspects, a device ID of the ambient IoT device is a global device ID, and the information associated with identifying the ambient IoT device includes the device ID of the ambient IoT device.
[0242] In a twenty-first additional aspect, alone or in combination with one or more of the first through twentieth aspects, a device ID of the ambient IoT device is not a global device ID, and the information associated with identifying the ambient IoT device includes the device ID of the ambient IoT device and a device ID of a reader device associated with the ambient IoT device.
[0243] In a twenty-second additional aspect, alone or in combination with one or more of the first through twenty-first aspects, a device ID of the ambient IoT device is not a global device ID, and the information associated with identifying the ambient IoT device includes the device ID of the ambient IoT device and a device ID of a receiver reader device associated with the ambient IoT device.
[0244] In a twenty-third additional aspect, alone or in combination with one or more of the first through twenty-second aspects, the information associated with identifying the ambient IoT device further includes a device ID of a transmitter reader device associated with the ambient IoT device.
[0245] In a twenty-fourth additional aspect, alone or in combination with one or more of the first through twenty-third aspects, the information associated with identifying the ambient IoT device includes an explicit indication of one or more device identifiers.
[0246] In a twenty-fifth additional aspect, alone or in combination with one or more of the first through twenty-fourth aspects, the information associated with identifying the ambient IoT device includes an implicit indication of one or more device identifiers.
[0247] Figure 11 is a flowchart illustrating an example process 1100 performed, for example, at a wireless communication device or an apparatus of a wireless communication device that supports ambient IoT device control information communication. Example process 1100 is an example where the apparatus or the wireless communication device (for example, a network node 110, a UE 120, or a wireless communication device 610) performs operations associated with ambient internet of things device control information communication.
[0248] As shown in Figure 11, in some aspects, process 1100 may include identifying a configuration to be used by an ambient IoT device for transmitting UL / BL control information to be received by the wireless communication device (block 1110) . For example, the wireless communication device (such as by using communication manager 140, communication manager 150, or identification component 1208, depicted in Figure 12) may identify a configuration to be used by an ambient IoT device for transmitting UL / BL control information to be received by the wireless communication device, as described above.
[0249] As further shown in Figure 11, in some aspects, process 1100 may include receiving the UL / BL control information according to the configuration, wherein, according to the configuration, the UL / BL control information is received at least partially in at least one of: a physical UL / BL control channel communication in a physical UL / BL control channel, the physical UL / BL control channel being separate from a physical UL / BL data channel, a physical UL / BL data channel communication in the physical UL / BL data channel, or a MAC-CE (block 1120) . For example, the wireless communication device (such as by using communication manager 140, communication manager 150, or reception component 1202, depicted in Figure 12) may receive the UL / BL control information according to the configuration, wherein, according to the configuration, the UL / BL control information is received at least partially in at least one of: a physical UL / BL control channel communication in a physical UL / BL control channel, the physical UL / BL control channel being separate from a physical UL / BL data channel, a physical UL / BL data channel communication in the physical UL / BL data channel, or a MAC-CE, as described above.
[0250] Process 1100 may include additional aspects, such as any single aspect or any combination of aspects described below or in connection with one or more other processes described elsewhere herein.
[0251] In a first additional aspect, the UL / BL control information is received at least partially in the physical UL / BL control channel communication, and the physical UL / BL control channel communication includes a preamble and the UL / BL control information.
[0252] In a second additional aspect, alone or in combination with the first aspect, the physical UL / BL control channel communication further includes at least one of a set of CRC bits associated with the UL / BL control information, a set of CRC bits associated with a header, or a postamble.
[0253] In a third additional aspect, alone or in combination with one or more of the first and second aspects, the UL / BL control information is received at least partially in the physical UL / BL control channel communication, and the physical UL / BL control channel communication is formatted according to a single format to be used for physical UL / BL control channel communications.
[0254] In a fourth additional aspect, alone or in combination with one or more of the first through third aspects, the UL / BL control information is received at least partially in the physical UL / BL control channel communication, and the physical UL / BL control channel communication is formatted according to a particular format of a plurality of formats to be used for physical UL / BL control channel communications.
[0255] In a fifth additional aspect, alone or in combination with one or more of the first through fourth aspects, the physical UL / BL control channel communication includes an indication of the particular format, the indication of the particular format being carried in at least one of a preamble of the physical UL / BL control channel communication or a header of the physical UL / BL control channel communication.
[0256] In a sixth additional aspect, alone or in combination with one or more of the first through fifth aspects, the UL / BL control information is received at least partially in the physical UL / BL control channel communication, and at least one of a CRC size, a coding rate, a data rate, or a scrambling characteristic differs between processing associated with the physical UL / BL control channel and processing associated with the physical UL / BL data channel.
[0257] In a seventh additional aspect, alone or in combination with one or more of the first through sixth aspects, the UL / BL control information is received at least partially in the physical UL / BL data channel communication, and the physical UL / BL data channel communication is formatted according to a single format to be used for physical UL / BL data channel communications.
[0258] In an eighth additional aspect, alone or in combination with one or more of the first through seventh aspects, the UL / BL control information is received at least partially in the physical UL / BL data channel communication, and the physical UL / BL data channel communication is formatted according to a particular format of a plurality of formats to be used for physical UL / BL data channel communications.
[0259] In a ninth additional aspect, alone or in combination with one or more of the first through eighth aspects, a first format of the plurality of formats is to be used for carrying UL / BL control information only, and a second format of the plurality of formats is to be used for carrying UL / BL data. In some aspects, at least one of a CRC size, a coding rate, a data rate, or a scrambling characteristic differs between processing associated with the first format and processing associated with the second format.
[0260] In a tenth additional aspect, alone or in combination with one or more of the first through ninth aspects, a first format of the plurality of formats is to be used for carrying acknowledgment information, and a second format of the plurality of formats is to be used for carrying UL / BL data and UL / BL control information other than acknowledgment information.
[0261] In an eleventh additional aspect, alone or in combination with one or more of the first through tenth aspects, a first format of the plurality of formats is to be used for carrying a first type of UL / BL control information and a second format of the plurality of formats is to be used for carrying a second type of UL / BL control information.
[0262] In a twelfth additional aspect, alone or in combination with one or more of the first through eleventh aspects, a first format of the plurality of formats is to be used for carrying UL / BL control information with a size in a first range of sizes and a second format of the plurality of formats is to be used for carrying UL / BL control information with a size in a second range of sizes.
[0263] In a thirteenth additional aspect, alone or in combination with one or more of the first through twelfth aspects, the UL / BL control information is received at least partially in the MAC-CE, wherein the MAC-CE is formatted according to a single format to be used for MAC-CEs carrying DL / FL control information.
[0264] In a fourteenth additional aspect, alone or in combination with one or more of the first through thirteenth aspects, a size of the MAC-CE is fixed.
[0265] In a fifteenth additional aspect, alone or in combination with one or more of the first through fourteenth aspects, a size of the MAC-CE is based at least in part on a type of the UL / BL control information.
[0266] In a sixteenth additional aspect, alone or in combination with one or more of the first through fifteenth aspects, the UL / BL control information is received at least partially in the MAC-CE, wherein the MAC-CE is formatted according to a particular format of a plurality of formats, and wherein the format is associated with a type of the UL / BL control information.
[0267] In a seventeenth additional aspect, alone or in combination with one or more of the first through sixteenth aspects, a format in the plurality of formats is associated with a single type of UL / BL control information.
[0268] In an eighteenth additional aspect, alone or in combination with one or more of the first through seventeenth aspects, a format in the plurality of formats is associated with a plurality of types of UL / BL control information.
[0269] In a nineteenth additional aspect, alone or in combination with one or more of the first through eighteenth aspects, the UL / BL control information includes information associated with identifying the ambient IoT device.
[0270] In a twentieth additional aspect, alone or in combination with one or more of the first through nineteenth aspects, a device ID of the ambient IoT device is a global device ID, and the information associated with identifying the ambient IoT device includes the device ID of the ambient IoT device.
[0271] In a twenty-first additional aspect, alone or in combination with one or more of the first through twentieth aspects, a device ID of the ambient IoT device is not a global device ID, and the information associated with identifying the ambient IoT device includes the device ID of the ambient IoT device and a device ID of a reader device associated with the ambient IoT device.
[0272] In a twenty-second additional aspect, alone or in combination with one or more of the first through twenty-first aspects, a device ID of the ambient IoT device is not a global device ID, and the information associated with identifying the ambient IoT device includes the device ID of the ambient IoT device and a device ID of a receiver reader device associated with the ambient IoT device.
[0273] In a twenty-third additional aspect, alone or in combination with one or more of the first through twenty-second aspects, the information associated with identifying the ambient IoT device further includes a device ID of a transmitter reader device associated with the ambient IoT device.
[0274] In a twenty-fourth additional aspect, alone or in combination with one or more of the first through twenty-third aspects, the information associated with identifying the ambient IoT device includes an explicit indication of one or more device identifiers.
[0275] In a twenty-fifth additional aspect, alone or in combination with one or more of the first through twenty-fourth aspects, the information associated with identifying the ambient IoT device includes an implicit indication of one or more device identifiers.
[0276] Figure 12 is a diagram of an example apparatus 1200 for wireless communication that supports ambient IoT device control information communication. The apparatus 1200 may be a wireless communication device, or a wireless communication device may include the apparatus 1200. In some aspects, the apparatus 1200 includes a reception component 1202, a transmission component 1204, and a communication manager 140 or a communication manager 150, which may be in communication with one another (for example, via one or more buses) . As shown, the apparatus 1200 may communicate with another apparatus 1206 (such as an ambient IoT device, or another wireless communication device) using the reception component 1202 and the transmission component 1204.
[0277] In some aspects, the apparatus 1200 may be configured to and / or operable to perform one or more operations described herein in connection with Figures 5, 6A-6B, or 7. Additionally or alternatively, the apparatus 1200 may be configured to and / or operable to perform one or more processes described herein, such as process 800 of Figure 8, and / or process 1100 of Figure 11. In some aspects, the apparatus 1200 may include one or more components of the wireless communication device described above in connection with Figure 2.
[0278] The reception component 1202 may receive communications, such as reference signals, control information, and / or data communications, from the apparatus 1206. The reception component 1202 may provide received communications to one or more other components of the apparatus 1200, such as the communication manager 140 or the communication manager 150. In some aspects, the reception component 1202 may perform signal processing on the received communications (such as filtering, amplification, demodulation, analog-to-digital conversion, demultiplexing, deinterleaving, de-mapping, equalization, interference cancellation, or decoding, among other examples) , and may provide the processed signals to the one or more other components. In some aspects, the reception component 1202 may include one or more antennas, one or more modems, one or more demodulators, one or more MIMO detectors, one or more receive processors, one or more controllers / processors, and / or one or more memories of the wireless communication device described above in connection with Figure 2.
[0279] The transmission component 1204 may transmit communications, such as reference signals, control information, and / or data communications, to the apparatus 1206. In some aspects, the communication manager 140 or the communication manager 150 may generate communications and may transmit the generated communications to the transmission component 1204 for transmission to the apparatus 1206. In some aspects, the transmission component 1204 may perform signal processing on the generated communications (such as filtering, amplification, modulation, digital-to-analog conversion, multiplexing, interleaving, mapping, or encoding, among other examples) , and may transmit the processed signals to the apparatus 1206. In some aspects, the transmission component 1204 may include one or more antennas, one or more modems, one or more modulators, one or more transmit MIMO processors, one or more transmit processors, one or more controllers / processors, and / or one or more memories of the wireless communication device described above in connection with Figure 2. In some aspects, the transmission component 1204 may be co-located with the reception component 1202 in one or more.
[0280] The communication manager 140 or 150 may identify a configuration to be used for transmitting DL / FL control information to an ambient IoT device. The communication manager 140 or 150 may transmit or may cause the transmission component 1204 to transmit the DL / FL control information to the ambient IoT device wherein, according to the configuration, the DL / FL control information is transmitted at least partially in at least one of: a physical DL / FL control channel communication in a physical DL / FL control channel, the physical DL / FL control channel being separate from a physical DL / FL data channel, a physical DL / FL data channel communication in the physical DL / FL data channel, or a MAC-CE.
[0281] The communication manager 140 or 150 may identify a configuration to be used by an ambient IoT device for transmitting UL / BL control information to be received by the wireless communication device. The communication manager 140 or 150 may receive or may cause the reception component 1202 to receive the UL / BL control information according to the configuration wherein, according to the configuration, the UL / BL control information is received at least partially in at least one of:a physical UL / BL control channel communication in a physical UL / BL control channel, the physical UL / BL control channel being separate from a physical UL / BL data channel, a physical UL / BL data channel communication in the physical UL / BL data channel, or a MAC-CE.
[0282] In some aspects, the communication manager 140 or 150 may perform one or more operations described elsewhere herein as being performed by one or more components of the communication manager 140 or 150.
[0283] The communication manager 140 or 150 may include one or more controllers / processors, one or more memories, one or more schedulers, and / or one or more communication units of the wireless communication device described above in connection with Figure 2. In some aspects, the communication manager 140 or 150 includes a set of components, such as an identification component 1208. Alternatively, the set of components may be separate and distinct from the communication manager 140 or 150. In some aspects, one or more components of the set of components may include or may be implemented within one or more controllers / processors, one or more memories, one or more schedulers, and / or one or more communication units of the wireless communication device described above in connection with Figure 2. Additionally or alternatively, one or more components of the set of components may be implemented at least in part as software stored in one or more memories. For example, a component (or a portion of a component) may be implemented as instructions or code stored in a non-transitory computer-readable medium and executable by one or more controllers or one or more processors to perform the functions or operations of the component.
[0284] The identification component 1208 may identify a configuration to be used for transmitting DL / FL control information to an ambient IoT device. The transmission component 1204 may transmit the DL / FL control information to the ambient IoT device wherein, according to the configuration, the DL / FL control information is transmitted at least partially in at least one of: a physical DL / FL control channel communication in a physical DL / FL control channel, the physical DL / FL control channel being separate from a physical DL / FL data channel, a physical DL / FL data channel communication in the physical DL / FL data channel, or a MAC-CE.
[0285] The identification component 1208 may identify a configuration to be used by an ambient IoT device for transmitting UL / BL control information to be received by the wireless communication device. The reception component 1202 may receive the UL / BL control information according to the configuration wherein, according to the configuration, the UL / BL control information is received at least partially in at least one of: a physical UL / BL control channel communication in a physical UL / BL control channel, the physical UL / BL control channel being separate from a physical UL / BL data channel, a physical UL / BL data channel communication in the physical UL / BL data channel, or a MAC-CE.
[0286] Figure 13 is a diagram of an example apparatus 1300 for wireless communication that supports ambient IoT device control information communication. The apparatus 1300 may be a ambient IoT device, or a ambient IoT device may include the apparatus 1300. In some aspects, the apparatus 1300 includes a reception component 1302, a transmission component 1304, and a communication manager 138, which may be in communication with one another (for example, via one or more buses) . As shown, the apparatus 1300 may communicate with another apparatus 1306 (such as a UE, a network node, or another wireless communication device) using the reception component 1302 and the transmission component 1304.
[0287] In some aspects, the apparatus 1300 may be configured to and / or operable to perform one or more operations described herein in connection with Figures 5, 6A-6B, or 7. Additionally or alternatively, the apparatus 1300 may be configured to and / or operable to perform one or more processes described herein, such as process 900 of Figure 9, and / or process 1000 of Figure 10. In some aspects, the apparatus 1300 may include one or more components of the ambient IoT device described above in connection with Figure 2.
[0288] The reception component 1302 may receive communications, such as reference signals, control information, and / or data communications, from the apparatus 1306. The reception component 1302 may provide received communications to one or more other components of the apparatus 1300, such as the communication manager 138. In some aspects, the reception component 1302 may perform signal processing on the received communications (such as filtering, amplification, demodulation, analog-to-digital conversion, demultiplexing, deinterleaving, de-mapping, equalization, interference cancellation, or decoding, among other examples) , and may provide the processed signals to the one or more other components. In some aspects, the reception component 1302 may include one or more antennas, one or more modems, one or more demodulators, one or more MIMO detectors, one or more receive processors, one or more controllers / processors, and / or one or more memories of the ambient IoT device described above in connection with Figure 2.
[0289] The transmission component 1304 may transmit communications, such as reference signals, control information, and / or data communications, to the apparatus 1306. In some aspects, the communication manager 138 may generate communications and may transmit the generated communications to the transmission component 1304 for transmission to the apparatus 1306. In some aspects, the transmission component 1304 may perform signal processing on the generated communications (such as filtering, amplification, modulation, digital-to-analog conversion, multiplexing, interleaving, mapping, or encoding, among other examples) , and may transmit the processed signals to the apparatus 1306. In some aspects, the transmission component 1304 may include one or more antennas, one or more modems, one or more modulators, one or more transmit MIMO processors, one or more transmit processors, one or more controllers / processors, and / or one or more memories of the ambient IoT device described above in connection with Figure 2. In some aspects, the transmission component 1304 may be co-located with the reception component 1302 in one or more transceivers.
[0290] The communication manager 138 may identify a configuration to be used by a wireless communication device for transmitting DL / FL control information to be received by the ambient IoT device. The communication manager 138 may receive or may cause the reception component 1302 to receive the DL / FL control information according to the configuration wherein, according to the configuration, the DL / FL control information is received at least partially in at least one of: a physical DL / FL control channel communication in a physical DL / FL control channel, the physical DL / FL control channel being separate from a physical DL / FL data channel, a physical DL / FL data channel communication in the physical DL / FL data channel, or a MAC-CE.
[0291] The communication manager 138 may identify a configuration to be used for transmitting UL / BL control information to a wireless communication device. The communication manager 138 may transmit or may cause the transmission component 1304 to transmit the UL / BL control information to the wireless communication device wherein, according to the configuration, the UL / BL control information is transmitted at least partially in at least one of: a physical UL / BL control channel communication in a physical UL / BL control channel, the physical UL / BL control channel being separate from a physical UL / BL data channel, a physical UL / BL data channel communication in the physical UL / BL data channel, or a MAC-CE.
[0292] In some aspects, the communication manager 138 may perform one or more operations described elsewhere herein as being performed by one or more components of the communication manager 138. The communication manager 138 may include one or more controllers / processors, one or more memories of the ambient IoT device described above in connection with Figure 2. In some aspects, the communication manager 138 includes a set of components, such as an identification component 1308. Alternatively, the set of components may be separate and distinct from the communication manager 138. In some aspects, one or more components of the set of components may include or may be implemented within one or more controllers / processors, one or more memories of the ambient IoT device described above in connection with Figure 2. Additionally or alternatively, one or more components of the set of components may be implemented at least in part as software stored in one or more memories. For example, a component (or a portion of a component) may be implemented as instructions or code stored in a non-transitory computer-readable medium and executable by one or more controllers or one or more processors to perform the functions or operations of the component.
[0293] The identification component 1308 may identify a configuration to be used by a wireless communication device for transmitting DL / FL control information to be received by the ambient IoT device. The reception component 1302 may receive the DL / FL control information according to the configuration wherein, according to the configuration, the DL / FL control information is received at least partially in at least one of: a physical DL / FL control channel communication in a physical DL / FL control channel, the physical DL / FL control channel being separate from a physical DL / FL data channel, a physical DL / FL data channel communication in the physical DL / FL data channel, or a MAC-CE.
[0294] The identification component 1308 may identify a configuration to be used for transmitting UL / BL control information to a wireless communication device. The transmission component 1304 may transmit the UL / BL control information to the wireless communication device wherein, according to the configuration, the UL / BL control information is transmitted at least partially in at least one of: a physical UL / BL control channel communication in a physical UL / BL control channel, the physical UL / BL control channel being separate from a physical UL / BL data channel, a physical UL / BL data channel communication in the physical UL / BL data channel, or a MAC-CE.
[0295] The following provides an overview of some Aspects of the present disclosure:
[0296] Aspect 1: A method of wireless communication performed at a wireless communication device, comprising: identifying a configuration to be used for transmitting downlink or forward link (DL / FL) control information to an ambient internet of things (IoT) device; and transmitting the DL / FL control information to the ambient IoT device, wherein, according to the configuration, the DL / FL control information is transmitted at least partially in at least one of: a physical DL / FL control channel communication in a physical DL / FL control channel, the physical DL / FL control channel being separate from a physical DL / FL data channel, a physical DL / FL data channel communication in the physical DL / FL data channel, or a medium access control (MAC) control element (CE) .
[0297] Aspect 2: The method of Aspect 1, wherein the DL / FL control information is transmitted at least partially in the physical DL / FL control channel communication, and the physical DL / FL control channel communication includes a preamble and the DL / FL control information.
[0298] Aspect 3: The method of Aspect 2, wherein the physical DL / FL control channel communication further includes at least one of a set of cyclic redundancy check (CRC) bits associated with the DL / FL control information, a set of CRC bits associated with a header, or a postamble.
[0299] Aspect 4: The method of any of Aspects 1-3, wherein the DL / FL control information is transmitted at least partially in the physical DL / FL control channel communication, and the physical DL / FL control channel communication is formatted according to a single format to be used for physical DL / FL control channel communications.
[0300] Aspect 5: The method of any of Aspects 1-4, wherein the DL / FL control information is transmitted at least partially in the physical DL / FL control channel communication, and the physical DL / FL control channel communication is formatted according to a particular format of a plurality of formats to be used for physical DL / FL control channel communications.
[0301] Aspect 6: The method of Aspect 5, wherein the physical DL / FL control channel communication includes an indication of the particular format, the indication of the particular format being carried in at least one of a preamble of the physical DL / FL control channel communication or a header of the physical DL / FL control channel communication.
[0302] Aspect 7: The method of any of Aspects 1-6, wherein the DL / FL control information is transmitted at least partially in the physical DL / FL control channel communication, and at least one of a cyclic redundancy check (CRC) size, a coding rate, a data rate, or a scrambling characteristic differs between processing associated with the physical DL / FL control channel and processing associated with the physical DL / FL data channel.
[0303] Aspect 8: The method of any of Aspects 1-7, wherein the DL / FL control information is transmitted at least partially in the physical DL / FL data channel communication, and the physical DL / FL data channel communication is formatted according to a single format to be used for physical DL / FL data channel communications.
[0304] Aspect 9: The method of any of Aspects 1-8, wherein the DL / FL control information is transmitted at least partially in the physical DL / FL data channel communication, and the physical DL / FL data channel communication is formatted according to a particular format of a plurality of formats to be used for physical DL / FL data channel communications.
[0305] Aspect 10: The method of Aspect 9, wherein a first format of the plurality of formats is to be used for carrying DL / FL control information only, and a second format of the plurality of formats is to be used for carrying at least one of DL / FL data or DL / FL control information.
[0306] Aspect 11: The method of any of Aspects 1-10, wherein the DL / FL control information is transmitted at least partially in the MAC-CE, wherein the MAC-CE is formatted according to a single format to be used for MAC-CEs carrying DL / FL control information.
[0307] Aspect 12: The method of Aspect 11, wherein a size of the MAC-CE is fixed.
[0308] Aspect 13: The method of Aspect 11, wherein a size of the MAC-CE is based at least in part on a type of the DL / FL control information.
[0309] Aspect 14: The method of any of Aspects 1-13, wherein the DL / FL control information is transmitted at least partially in the MAC-CE, wherein the MAC-CE is formatted according to a particular format of a plurality of formats, wherein the format is associated with a type of the DL / FL control information.
[0310] Aspect 15: The method of Aspect 14, wherein each format in the plurality of formats is associated with a different type of DL / FL control information.
[0311] Aspect 16: The method of any of Aspects 1-15, wherein the DL / FL control information is transmitted at least partially in the MAC-CE, wherein the MAC-CE is multiplexed with DL / FL data.
[0312] Aspect 17: The method of any of Aspects 1-16, wherein the DL / FL control information includes information associated with identifying the ambient IoT device.
[0313] Aspect 18: The method of Aspect 17, wherein a device identifier (ID) of the ambient IoT device is a global device ID, and the information associated with identifying the ambient IoT device includes the device ID of the ambient IoT device.
[0314] Aspect 19: The method of Aspect 17, wherein a device identifier (ID) of the ambient IoT device is not a global device ID, and the information associated with identifying the ambient IoT device includes the device ID of the ambient IoT device and a device ID of a reader device associated with the ambient IoT device.
[0315] Aspect 20: The method of Aspect 17, wherein a device identifier (ID) of the ambient IoT device is not a global device ID, and the information associated with identifying the ambient IoT device includes the device ID of the ambient IoT device and a device ID of a transmitter reader device associated with the ambient IoT device.
[0316] Aspect 21: The method of Aspect 20, wherein the information associated with identifying the ambient IoT device further includes a device ID of a receiver reader device associated with the ambient IoT device.
[0317] Aspect 22: The method of Aspect 17, wherein the information associated with identifying the ambient IoT device includes an explicit indication of one or more device identifiers.
[0318] Aspect 23: The method of Aspect 17, wherein the information associated with identifying the ambient IoT device includes an implicit indication of one or more device identifiers.
[0319] Aspect 24: A method of wireless communication performed at an ambient Internet of things (IoT) device, comprising: identifying a configuration to be used by a wireless communication device for transmitting downlink or forward link (DL / FL) control information to be received by the ambient IoT device; and receiving the DL / FL control information according to the configuration, wherein, according to the configuration, the DL / FL control information is received at least partially in at least one of: a physical DL / FL control channel communication in a physical DL / FL control channel, the physical DL / FL control channel being separate from a physical DL / FL data channel, a physical DL / FL data channel communication in the physical DL / FL data channel, or a medium access control (MAC) control element (CE) .
[0320] Aspect 25: The method of Aspect 24, wherein the DL / FL control information is received at least partially in the physical DL / FL control channel communication, and the physical DL / FL control channel communication includes a preamble and the DL / FL control information.
[0321] Aspect 26: The method of Aspect 25, wherein the physical DL / FL control channel communication further includes at least one of a set of cyclic redundancy check (CRC) bits associated with the DL / FL control information, a set of CRC bits associated with a header, or a postamble.
[0322] Aspect 27: The method of any of Aspects 24-26, wherein the DL / FL control information is received at least partially in the physical DL / FL control channel communication, and the physical DL / FL control channel communication is formatted according to a single format to be used for physical DL / FL control channel communications.
[0323] Aspect 28: The method of any of Aspects 24-27, wherein the DL / FL control information is received at least partially in the physical DL / FL control channel communication, and the physical DL / FL control channel communication is formatted according to a particular format of a plurality of formats to be used for physical DL / FL control channel communications.
[0324] Aspect 29: The method of Aspect 28, wherein the physical DL / FL control channel communication includes an indication of the particular format, the indication of the particular format being carried in at least one of a preamble of the physical DL / FL control channel communication or a header of the physical DL / FL control channel communication.
[0325] Aspect 30: The method of any of Aspects 24-29, wherein the DL / FL control information is received at least partially in the physical DL / FL control channel communication, and at least one of a cyclic redundancy check (CRC) size, a coding rate, a data rate, or a scrambling characteristic differs between processing associated with the physical DL / FL control channel and processing associated with the physical DL / FL data channel.
[0326] Aspect 31: The method of any of Aspects 24-30, wherein the DL / FL control information is received at least partially in the physical DL / FL data channel communication, and the physical DL / FL data channel communication is formatted according to a single format to be used for physical DL / FL data channel communications.
[0327] Aspect 32: The method of any of Aspects 24-31, wherein the DL / FL control information is received at least partially in the physical DL / FL data channel communication, and the physical DL / FL data channel communication is formatted according to a particular format of a plurality of formats to be used for physical DL / FL data channel communications.
[0328] Aspect 33: The method of Aspect 32, wherein a first format of the plurality of formats is to be used for carrying DL / FL control information only, and a second format of the plurality of formats is to be used for carrying at least one of DL / FL data or DL / FL control information.
[0329] Aspect 34: The method of any of Aspects 24-33, wherein the DL / FL control information is received at least partially in the MAC-CE, wherein the MAC-CE is formatted according to a single format to be used for MAC-CEs carrying DL / FL control information.
[0330] Aspect 35: The method of Aspect 34, wherein a size of the MAC-CE is fixed.
[0331] Aspect 36: The method of Aspect 34, wherein a size of the MAC-CE is based at least in part on a type of the DL / FL control information.
[0332] Aspect 37: The method of any of Aspects 24-36, wherein the DL / FL control information is received at least partially in the MAC-CE, wherein the MAC-CE is formatted according to a particular format of a plurality of formats, and wherein the format is associated with a type of the DL / FL control information.
[0333] Aspect 38: The method of Aspect 37, wherein each format in the plurality of formats is associated with a different type of DL / FL control information.
[0334] Aspect 39: The method of any of Aspects 24-38, wherein the DL / FL control information is received at least partially in the MAC-CE, wherein the MAC-CE is multiplexed with DL / FL data.
[0335] Aspect 40: The method of any of Aspects 24-39, wherein the DL / FL control information includes information associated with identifying the ambient IoT device.
[0336] Aspect 41: The method of Aspect 40, wherein a device identifier (ID) of the ambient IoT device is a global device ID, and the information associated with identifying the ambient IoT device includes the device ID of the ambient IoT device.
[0337] Aspect 42: The method of Aspect 40, wherein a device identifier (ID) of the ambient IoT device is not a global device ID, and the information associated with identifying the ambient IoT device includes the device ID of the ambient IoT device and a device ID of a reader device associated with the ambient IoT device.
[0338] Aspect 43: The method of Aspect 40, wherein a device identifier (ID) of the ambient IoT device is not a global device ID, and the information associated with identifying the ambient IoT device includes the device ID of the ambient IoT device and a device ID of a transmitter reader device associated with the ambient IoT device.
[0339] Aspect 44: The method of Aspect 43, wherein the information associated with identifying the ambient IoT device further includes a device ID of a receiver reader device associated with the ambient IoT device.
[0340] Aspect 45: The method of Aspect 40, wherein the information associated with identifying the ambient IoT device includes an explicit indication of one or more device identifiers.
[0341] Aspect 46: The method of Aspect 40, wherein the information associated with identifying the ambient IoT device includes an implicit indication of one or more device identifiers.
[0342] Aspect 47: A method of wireless communication performed at an ambient internet of things (IoT) device, comprising: identifying a configuration to be used for transmitting uplink or backward link (UL / BL) control information to a wireless communication device; and transmitting the UL / BL control information to the wireless communication device, wherein, according to the configuration, the UL / BL control information is transmitted at least partially in at least one of: a physical UL / BL control channel communication in a physical UL / BL control channel, the physical UL / BL control channel being separate from a physical UL / BL data channel, a physical UL / BL data channel communication in the physical UL / BL data channel, or a medium access control (MAC) control element (CE) .
[0343] Aspect 48: The method of Aspect 47, wherein the UL / BL control information is transmitted at least partially in the physical UL / BL control channel communication, and the physical UL / BL control channel communication includes a preamble and the UL / BL control information.
[0344] Aspect 49: The method of Aspect 48, wherein the physical UL / BL control channel communication further includes at least one of a set of cyclic redundancy check (CRC) bits associated with the UL / BL control information, a set of CRC bits associated with a header, or a postamble.
[0345] Aspect 50: The method of any of Aspects 47-49, wherein the UL / BL control information is transmitted at least partially in the physical UL / BL control channel communication, and the physical UL / BL control channel communication is formatted according to a single format to be used for physical UL / BL control channel communications.
[0346] Aspect 51: The method of any of Aspects 47-50, wherein the UL / BL control information is transmitted at least partially in the physical UL / BL control channel communication, and the physical UL / BL control channel communication is formatted according to a particular format of a plurality of formats to be used for physical UL / BL control channel communications.
[0347] Aspect 52: The method of Aspect 51, wherein the physical UL / BL control channel communication includes an indication of the particular format, the indication of the particular format being carried in at least one of a preamble of the physical UL / BL control channel communication or a header of the physical UL / BL control channel communication.
[0348] Aspect 53: The method of any of Aspects 47-52, wherein the UL / BL control information is transmitted at least partially in the physical UL / BL control channel communication, and at least one of a cyclic redundancy check (CRC) size, a coding rate, a data rate, or a scrambling characteristic differs between processing associated with the physical UL / BL control channel and the physical UL / BL data channel.
[0349] Aspect 54: The method of any of Aspects 47-53, wherein the UL / BL control information is transmitted at least partially in the physical UL / BL data channel communication, and the physical UL / BL data channel communication is formatted according to a single format to be used for physical UL / BL data channel communications.
[0350] Aspect 55: The method of any of Aspects 47-54, wherein the UL / BL control information is transmitted at least partially in the physical UL / BL data channel communication, and the physical UL / BL data channel communication is formatted according to a particular format of a plurality of formats to be used for physical UL / BL data channel communications.
[0351] Aspect 56: The method of Aspect 55, wherein a first format of the plurality of formats is to be used for carrying UL / BL control information only, and a second format of the plurality of formats is to be used for carrying UL / BL data.
[0352] Aspect 57: The method of Aspect 56, at least one of a cyclic redundancy check (CRC) size, a coding rate, a data rate, or a scrambling characteristic differs between processing associated with the first format and processing associated with the second format.
[0353] Aspect 58: The method of Aspect 55, wherein a first format of the plurality of formats is to be used for carrying acknowledgment information, and a second format of the plurality of formats is to be used for carrying UL / BL data and UL / BL control information other than acknowledgment information.
[0354] Aspect 59: The method of Aspect 55, wherein a first format of the plurality of formats is to be used for carrying a first type of UL / BL control information and a second format of the plurality of formats is to be used for carrying a second type of UL / BL control information.
[0355] Aspect 60: The method of Aspect 55, wherein a first format of the plurality of formats is to be used for carrying UL / BL control information with a size in a first range of sizes and a second format of the plurality of formats is to be used for carrying UL / BL control information with a size in a second range of sizes.
[0356] Aspect 61: The method of any of Aspects 47-60, wherein the UL / BL control information is transmitted at least partially in the MAC-CE, wherein the MAC-CE is formatted according to a single format to be used for MAC-CEs carrying DL / FL control information.
[0357] Aspect 62: The method of Aspect 61, wherein a size of the MAC-CE is fixed.
[0358] Aspect 63: The method of Aspect 61, wherein a size of the MAC-CE is based at least in part on a type of the UL / BL control information.
[0359] Aspect 64: The method of any of Aspects 47-63, wherein the UL / BL control information is transmitted at least partially in the MAC-CE, wherein the MAC-CE is formatted according to a particular format of a plurality of formats, and wherein the format is associated with a type of the UL / BL control information.
[0360] Aspect 65: The method of Aspect 64, wherein a format in the plurality of formats is associated with a single type of UL / BL control information.
[0361] Aspect 66: The method of Aspect 64, wherein a format in the plurality of formats is associated with a plurality of types of UL / BL control information.
[0362] Aspect 67: The method of any of Aspects 47-66, wherein the UL / BL control information includes information associated with identifying the ambient IoT device.
[0363] Aspect 68: The method of Aspect 67, wherein a device identifier (ID) of the ambient IoT device is a global device ID, and the information associated with identifying the ambient IoT device includes the device ID of the ambient IoT device.
[0364] Aspect 69: The method of Aspect 67, wherein a device identifier (ID) of the ambient IoT device is not a global device ID, and the information associated with identifying the ambient IoT device includes the device ID of the ambient IoT device and a device ID of a reader device associated with the ambient IoT device.
[0365] Aspect 70: The method of Aspect 67, wherein a device identifier (ID) of the ambient IoT device is not a global device ID, and the information associated with identifying the ambient IoT device includes the device ID of the ambient IoT device and a device ID of a receiver reader device associated with the ambient IoT device.
[0366] Aspect 71: The method of Aspect 70, wherein the information associated with identifying the ambient IoT device further includes a device ID of a transmitter reader device associated with the ambient IoT device.
[0367] Aspect 72: The method of Aspect 67, wherein the information associated with identifying the ambient IoT device includes an explicit indication of one or more device identifiers.
[0368] Aspect 73: The method of Aspect 67, wherein the information associated with identifying the ambient IoT device includes an implicit indication of one or more device identifiers.
[0369] Aspect 74: A method of wireless communication performed at a wireless communication device, comprising: identifying a configuration to be used by an ambient internet of things (IoT) device for transmitting uplink or backward link (UL / BL) control information to be received by the wireless communication device; and receiving the UL / BL control information according to the configuration, wherein, according to the configuration, the UL / BL control information is received at least partially in at least one of: a physical UL / BL control channel communication in a physical UL / BL control channel, the physical UL / BL control channel being separate from a physical UL / BL data channel, a physical UL / BL data channel communication in the physical UL / BL data channel, or a medium access control (MAC) control element (CE) .
[0370] Aspect 75: The method of Aspect 74, wherein the UL / BL control information is received at least partially in the physical UL / BL control channel communication, and the physical UL / BL control channel communication includes a preamble and the UL / BL control information.
[0371] Aspect 76: The method of Aspect 75, wherein the physical UL / BL control channel communication further includes at least one of a set of cyclic redundancy check (CRC) bits associated with the UL / BL control information, a set of CRC bits associated with a header, or a postamble.
[0372] Aspect 77: The method of any of Aspects 74-76, wherein the UL / BL control information is received at least partially in the physical UL / BL control channel communication, and the physical UL / BL control channel communication is formatted according to a single format to be used for physical UL / BL control channel communications.
[0373] Aspect 78: The method of any of Aspects 74-77, wherein the UL / BL control information is received at least partially in the physical UL / BL control channel communication, and the physical UL / BL control channel communication is formatted according to a particular format of a plurality of formats to be used for physical UL / BL control channel communications.
[0374] Aspect 79: The method of Aspect 78, wherein the physical UL / BL control channel communication includes an indication of the particular format, the indication of the particular format being carried in at least one of a preamble of the physical UL / BL control channel communication or a header of the physical UL / BL control channel communication.
[0375] Aspect 80: The method of any of Aspects 74-79, wherein the UL / BL control information is received at least partially in the physical UL / BL control channel communication, and at least one of a cyclic redundancy check (CRC) size, a coding rate, a data rate, or a scrambling characteristic differs between processing associated with the physical UL / BL control channel and processing associated with the physical UL / BL data channel.
[0376] Aspect 81: The method of any of Aspects 74-80, wherein the UL / BL control information is received at least partially in the physical UL / BL data channel communication, and the physical UL / BL data channel communication is formatted according to a single format to be used for physical UL / BL data channel communications.
[0377] Aspect 82: The method of any of Aspects 74-81, wherein the UL / BL control information is received at least partially in the physical UL / BL data channel communication, and the physical UL / BL data channel communication is formatted according to a particular format of a plurality of formats to be used for physical UL / BL data channel communications.
[0378] Aspect 83: The method of Aspect 82, wherein a first format of the plurality of formats is to be used for carrying UL / BL control information only, and a second format of the plurality of formats is to be used for carrying UL / BL data.
[0379] Aspect 84: The method of Aspect 83, at least one of a cyclic redundancy check (CRC) size, a coding rate, a data rate, or a scrambling characteristic differs between processing associated with the first format and processing associated with the second format.
[0380] Aspect 85: The method of Aspect 82, wherein a first format of the plurality of formats is to be used for carrying acknowledgment information, and a second format of the plurality of formats is to be used for carrying UL / BL data and UL / BL control information other than acknowledgment information.
[0381] Aspect 86: The method of Aspect 82, wherein a first format of the plurality of formats is to be used for carrying a first type of UL / BL control information and a second format of the plurality of formats is to be used for carrying a second type of UL / BL control information.
[0382] Aspect 87: The method of Aspect 82, wherein a first format of the plurality of formats is to be used for carrying UL / BL control information with a size in a first range of sizes and a second format of the plurality of formats is to be used for carrying UL / BL control information with a size in a second range of sizes.
[0383] Aspect 88: The method of any of Aspects 74-87, wherein the UL / BL control information is received at least partially in the MAC-CE, wherein the MAC-CE is formatted according to a single format to be used for MAC-CEs carrying DL / FL control information.
[0384] Aspect 89: The method of Aspect 88, wherein a size of the MAC-CE is fixed.
[0385] Aspect 90: The method of Aspect 88, wherein a size of the MAC-CE is based at least in part on a type of the UL / BL control information.
[0386] Aspect 91: The method of any of Aspects 74-90, wherein the UL / BL control information is received at least partially in the MAC-CE, wherein the MAC-CE is formatted according to a particular format of a plurality of formats, and wherein the format is associated with a type of the UL / BL control information.
[0387] Aspect 92: The method of Aspect 91, wherein a format in the plurality of formats is associated with a single type of UL / BL control information.
[0388] Aspect 93: The method of Aspect 91, wherein a format in the plurality of formats is associated with a plurality of types of UL / BL control information.
[0389] Aspect 94: The method of any of Aspects 74-93, wherein the UL / BL control information includes information associated with identifying the ambient IoT device.
[0390] Aspect 95: The method of Aspect 94, wherein a device identifier (ID) of the ambient IoT device is a global device ID, and the information associated with identifying the ambient IoT device includes the device ID of the ambient IoT device.
[0391] Aspect 96: The method of Aspect 94, wherein a device identifier (ID) of the ambient IoT device is not a global device ID, and the information associated with identifying the ambient IoT device includes the device ID of the ambient IoT device and a device ID of a reader device associated with the ambient IoT device.
[0392] Aspect 97: The method of Aspect 94, wherein a device identifier (ID) of the ambient IoT device is not a global device ID, and the information associated with identifying the ambient IoT device includes the device ID of the ambient IoT device and a device ID of a receiver reader device associated with the ambient IoT device.
[0393] Aspect 98: The method of Aspect 97, wherein the information associated with identifying the ambient IoT device further includes a device ID of a transmitter reader device associated with the ambient IoT device.
[0394] Aspect 99: The method of Aspect 94, wherein the information associated with identifying the ambient IoT device includes an explicit indication of one or more device identifiers.
[0395] Aspect 100: The method of Aspect 94, wherein the information associated with identifying the ambient IoT device includes an implicit indication of one or more device identifiers.
[0396] Aspect 101: An apparatus for wireless communication at a device, the apparatus comprising one or more processors; one or more memories coupled with the one or more processors; and instructions stored in the one or more memories and executable by the one or more processors to cause the apparatus to perform the method of one or more of Aspects 1-100.
[0397] Aspect 102: An apparatus for wireless communication at a device, the apparatus comprising one or more memories and one or more processors coupled to the one or more memories, the one or more processors configured to cause the device to perform the method of one or more of Aspects 1-100.
[0398] Aspect 103: An apparatus for wireless communication, the apparatus comprising at least one means for performing the method of one or more of Aspects 1-100.
[0399] Aspect 104: A non-transitory computer-readable medium storing code for wireless communication, the code comprising instructions executable by one or more processors to perform the method of one or more of Aspects 1-100.
[0400] Aspect 105: A non-transitory computer-readable medium storing a set of instructions for wireless communication, the set of instructions comprising one or more instructions that, when executed by one or more processors of a device, cause the device to perform the method of one or more of Aspects 1-100.
[0401] Aspect 106: A device for wireless communication, the device comprising a processing system that includes one or more processors and one or more memories coupled with the one or more processors, the processing system configured to cause the device to perform the method of one or more of Aspects 1-100.
[0402] Aspect 107: An apparatus for wireless communication at a device, the apparatus comprising one or more memories and one or more processors coupled to the one or more memories, the one or more processors individually or collectively configured to cause the device to perform the method of one or more of Aspects 1-100.
[0403] The foregoing disclosure provides illustration and description but is not intended to be exhaustive or to limit the aspects to the precise forms disclosed. Modifications and variations may be made in light of the above disclosure or may be acquired from practice of the aspects.
[0404] As used herein, the term “component” is intended to be broadly construed as hardware or a combination of hardware and at least one of software or firmware. “Software” shall be construed broadly to mean instructions, instruction sets, code, code segments, program code, programs, subprograms, software modules, applications, software applications, software packages, routines, subroutines, objects, executables, threads of execution, procedures, or functions, among other examples, whether referred to as software, firmware, middleware, microcode, hardware description language, or otherwise. As used herein, a “processor” is implemented in hardware or a combination of hardware and software. It will be apparent that systems or methods described herein may be implemented in different forms of hardware or a combination of hardware and software. The actual specialized control hardware or software code used to implement these systems or methods is not limiting of the aspects. Thus, the operation and behavior of the systems or methods are described herein without reference to specific software code, because those skilled in the art will understand that software and hardware can be designed to implement the systems or methods based, at least in part, on the description herein. A component being configured to perform a function means that the component has a capability to perform the function, and does not require the function to be actually performed by the component, unless noted otherwise.
[0405] As used herein, “satisfying a threshold” may, depending on the context, refer to a value being greater than the threshold, greater than or equal to the threshold, less than the threshold, less than or equal to the threshold, equal to the threshold, or not equal to the threshold, among other examples.
[0406] As used herein, the term “determine” or “determining” encompasses a wide variety of actions and, therefore, “determining” can include calculating, computing, processing, deriving, investigating, looking up (such as via looking up in a table, a database or another data structure) , identifying, inferring, ascertaining, measuring, and the like. Also, “determining” can include receiving (such as receiving information or receiving an indication) , accessing (such as accessing data stored in memory) , transmitting (such as transmitting information) and the like. Also, “determining” can include resolving, selecting, obtaining, choosing, establishing and other such similar actions. The term “identify” or “identifying” also encompasses a wide variety of actions and, therefore, “identifying” can include calculating, computing, processing, deriving, investigating, looking up (such as via looking up in a table, a database or another data structure) , inferring, ascertaining, measuring, and the like. Also, “identifying” can include receiving (such as receiving information or receiving an indication) , accessing (such as accessing data stored in memory) , transmitting (such as transmitting information) and the like. Also, “identifying” can include resolving, selecting, obtaining, choosing, establishing and other such similar actions.
[0407] As used herein, a phrase referring to “at least one of” a list of items refers to any combination of those items, including single members. As an example, “at least one of: a, b, or c” is intended to cover a, b, c, a + b, a + c, b + c, and a + b + c, as well as any combination with multiples of the same element (for example, a + a, a + a + a, a + a + b, a + a + c, a + b + b, a + c + c, b + b, b + b + b, b + b + c, c + c, and c + c + c, or any other ordering of a, b, and c) .
[0408] No element, act, or instruction used herein should be construed as critical or essential unless explicitly described as such. Also, as used herein, the articles “a” and “an” are intended to include one or more items and may be used interchangeably with “one or more. ” Further, as used herein, the article “the” is intended to include one or more items referenced in connection with the article “the” and may be used interchangeably with “the one or more. ” Furthermore, as used herein, the terms “set” and “group” are intended to include one or more items and may be used interchangeably with “one or more. ” Where only one item is intended, the phrase “only one” or similar language is used. Also, as used herein, the terms “has, ” “have, ” “having, ” and similar terms are intended to be open-ended terms that do not limit an element that they modify (for example, an element “having” A may also have B) . Further, as used herein, “based on” is intended to be interpreted in the inclusive sense, unless otherwise explicitly indicated. For example, “based on” may be used interchangeably with “based at least in part on, ” “associated with” , or “in accordance with” unless otherwise explicitly indicated. Specifically, unless a phrase refers to “based on only ‘a, ’” or the equivalent in context, whatever it is that is “based on ‘a, ’” or “based at least in part on ‘a, ’” may be based on “a” alone or based on a combination of “a” and one or more other factors, conditions or information. Also, as used herein, the term “or” is intended to be inclusive when used in a series and may be used interchangeably with “and / or, ” unless explicitly stated otherwise (for example, if used in combination with “either” or “only one of” ) . It should be understood that “one or more” is equivalent to “at least one. ”
[0409] Even though particular combinations of features are recited in the claims or disclosed in the specification, these combinations are not intended to limit the disclosure of various aspects. Many of these features may be combined in ways not specifically recited in the claims or disclosed in the specification. The disclosure of various aspects includes each dependent claim in combination with every other claim in the claim set.
Claims
1.An apparatus for wireless communication at a wireless communication device, comprising:one or more memories storing processor-executable code; andone or more processors coupled with the one or more memories, at least one processor of the one or more processors configured to cause the wireless communication device to:identify a configuration to be used for transmitting downlink or forward link (DL / FL) control information to an ambient internet of things (IoT) device; andtransmit the DL / FL control information to the ambient IoT device,wherein, according to the configuration, the DL / FL control information is transmitted at least partially in at least one of:a physical DL / FL control channel communication in a physical DL / FL control channel, the physical DL / FL control channel being separate from a physical DL / FL data channel,a physical DL / FL data channel communication in the physical DL / FL data channel, ora medium access control (MAC) control element (CE) .2.The apparatus of claim 1, wherein the DL / FL control information is transmitted at least partially in the physical DL / FL control channel communication, and the physical DL / FL control channel communication includes a preamble and the DL / FL control information.3.The apparatus of claim 2, wherein the physical DL / FL control channel communication further includes at least one of a set of cyclic redundancy check (CRC) bits associated with the DL / FL control information, a set of CRC bits associated with a header, or a postamble.4.The apparatus of claim 1, wherein the DL / FL control information is transmitted at least partially in the physical DL / FL control channel communication, and the physical DL / FL control channel communication is formatted according to a single format to be used for physical DL / FL control channel communications.5.The apparatus of claim 1, wherein the DL / FL control information is transmitted at least partially in the physical DL / FL control channel communication, and the physical DL / FL control channel communication is formatted according to a particular format of a plurality of formats to be used for physical DL / FL control channel communications.6.The apparatus of claim 5, wherein the physical DL / FL control channel communication includes an indication of the particular format, the indication of the particular format being carried in at least one of a preamble of the physical DL / FL control channel communication or a header of the physical DL / FL control channel communication.7.The apparatus of claim 1, wherein the DL / FL control information is transmitted at least partially in the physical DL / FL control channel communication, and at least one of a cyclic redundancy check (CRC) size, a coding rate, a data rate, or a scrambling characteristic differs between processing associated with the physical DL / FL control channel and processing associated with the physical DL / FL data channel.8.The apparatus of claim 1, wherein the DL / FL control information is transmitted at least partially in the physical DL / FL data channel communication, and the physical DL / FL data channel communication is formatted according to a single format to be used for physical DL / FL data channel communications.9.The apparatus of claim 1, wherein the DL / FL control information is transmitted at least partially in the physical DL / FL data channel communication, and the physical DL / FL data channel communication is formatted according to a particular format of a plurality of formats to be used for physical DL / FL data channel communications.10.The apparatus of claim 9, wherein a first format of the plurality of formats is to be used for carrying DL / FL control information only, and a second format of the plurality of formats is to be used for carrying at least one of DL / FL data or DL / FL control information.11.The apparatus of claim 1, wherein the DL / FL control information is transmitted at least partially in the MAC-CE, wherein the MAC-CE is formatted according to a single format to be used for MAC-CEs carrying DL / FL control information.12.The apparatus of claim 11, wherein a size of the MAC-CE is based at least in part on a type of the DL / FL control information.13.The apparatus of claim 1, wherein the DL / FL control information is transmitted at least partially in the MAC-CE, wherein the MAC-CE is formatted according to a particular format of a plurality of formats, wherein the format is associated with a type of the DL / FL control information.14.The apparatus of claim 1, wherein the DL / FL control information includes information associated with identifying the ambient IoT device, wherein a device identifier (ID) of the ambient IoT device is a global device ID and the information associated with identifying the ambient IoT device includes the device ID of the ambient IoT device.15.The apparatus of claim 1, wherein the DL / FL control information includes information associated with identifying the ambient IoT device, wherein a device identifier (ID) of the ambient IoT device is not a global device ID and the information associated with identifying the ambient IoT device includes the device ID of the ambient IoT device and a device ID of a reader device associated with the ambient IoT device.16.The apparatus of claim 1, wherein the DL / FL control information includes information associated with identifying the ambient IoT device, wherein a device identifier (ID) of the ambient IoT device is not a global device ID and the information associated with identifying the ambient IoT device includes the device ID of the ambient IoT device and a device ID of a transmitter reader device associated with the ambient IoT device.17.An apparatus for wireless communication at an ambient internet of things (IoT) device, comprising:one or more memories storing processor-executable code; andone or more processors coupled with the one or more memories, at least one processor of the one or more processors configured to cause the ambient IoT device to:identify a configuration to be used by a wireless communication device for transmitting downlink or forward link (DL / FL) control information to be received by the ambient IoT device; andreceive the DL / FL control information according to the configuration,wherein, according to the configuration, the DL / FL control information is received at least partially in at least one of:a physical DL / FL control channel communication in a physical DL / FL control channel, the physical DL / FL control channel being separate from a physical DL / FL data channel,a physical DL / FL data channel communication in the physical DL / FL data channel, ora medium access control (MAC) control element (CE) .18.An apparatus for wireless communication at an ambient internet of things (IoT) , comprising:one or more memories storing processor-executable code; andone or more processors coupled with the one or more memories, at least one processor of the one or more processors configured to cause the ambient IoT device to:identify a configuration to be used for transmitting uplink or backward link (UL / BL) control information to a wireless communication device; andtransmit the UL / BL control information to the wireless communication device,wherein, according to the configuration, the UL / BL control information is transmitted at least partially in at least one of:a physical UL / BL control channel communication in a physical UL / BL control channel, the physical UL / BL control channel being separate from a physical UL / BL data channel,a physical UL / BL data channel communication in the physical UL / BL data channel, ora medium access control (MAC) control element (CE) .19.The apparatus of claim 18, wherein the UL / BL control information is transmitted at least partially in the physical UL / BL control channel communication, and the physical UL / BL control channel communication includes a preamble and the UL / BL control information.20.The apparatus of claim 19, wherein the physical UL / BL control channel communication further includes at least one of a set of cyclic redundancy check (CRC) bits associated with the UL / BL control information, a set of CRC bits associated with a header, or a postamble.21.The apparatus of claim 18, wherein the UL / BL control information is transmitted at least partially in the physical UL / BL control channel communication, and the physical UL / BL control channel communication is formatted according to a single format to be used for physical UL / BL control channel communications.22.The apparatus of claim 18, wherein the UL / BL control information is transmitted at least partially in the physical UL / BL control channel communication, and the physical UL / BL control channel communication is formatted according to a particular format of a plurality of formats to be used for physical UL / BL control channel communications.23.The apparatus of claim 18, wherein the physical UL / BL control channel communication includes an indication of the particular format, the indication of the particular format being carried in at least one of a preamble of the physical UL / BL control channel communication or a header of the physical UL / BL control channel communication.24.The apparatus of claim 18, wherein the UL / BL control information is transmitted at least partially in the physical UL / BL control channel communication, and at least one of a cyclic redundancy check (CRC) size, a coding rate, a data rate, or a scrambling characteristic differs between processing associated with the physical UL / BL control channel and the physical UL / BL data channel.25.The apparatus of claim 18, wherein the UL / BL control information is transmitted at least partially in the physical UL / BL data channel communication, and the physical UL / BL data channel communication is formatted according to a single format to be used for physical UL / BL data channel communications.26.The apparatus of claim 18, wherein the UL / BL control information is transmitted at least partially in the physical UL / BL data channel communication, and the physical UL / BL data channel communication is formatted according to a particular format of a plurality of formats to be used for physical UL / BL data channel communications.27.The apparatus of claim 26, wherein a first format of the plurality of formats is to be used for carrying UL / BL control information only, and a second format of the plurality of formats is to be used for carrying UL / BL data.28.The apparatus of claim 27, at least one of a cyclic redundancy check (CRC) size, a coding rate, a data rate, or a scrambling characteristic differs between processing associated with the first format and processing associated with the second format.29.The apparatus of claim 26, wherein a first format of the plurality of formats is to be used for carrying acknowledgment information, and a second format of the plurality of formats is to be used for carrying UL / BL data and UL / BL control information other than acknowledgment information.30.The apparatus of claim 26, wherein a first format of the plurality of formats is to be used for carrying a first type of UL / BL control information and a second format of the plurality of formats is to be used for carrying a second type of UL / BL control information.31.The apparatus of claim 26, wherein a first format of the plurality of formats is to be used for carrying UL / BL control information with a size in a first range of sizes and a second format of the plurality of formats is to be used for carrying UL / BL control information with a size in a second range of sizes.32.The apparatus of claim 18, wherein the UL / BL control information is transmitted at least partially in the MAC-CE, wherein the MAC-CE is formatted according to a single format to be used for MAC-CEs carrying DL / FL control information.33.The apparatus of claim 32, wherein a size of the MAC-CE is based at least in part on a type of the UL / BL control information.34.The apparatus of claim 18, wherein the UL / BL control information is transmitted at least partially in the MAC-CE, wherein the MAC-CE is formatted according to a particular format of a plurality of formats, and wherein the format is associated with a type of the UL / BL control information.35.The apparatus of claim 18, wherein the UL / BL control information includes information associated with identifying the ambient IoT device, wherein a device identifier (ID) of the ambient IoT device is a global device ID and the information associated with identifying the ambient IoT device includes the device ID of the ambient IoT device.36.The apparatus of claim 18, wherein the UL / BL control information includes information associated with identifying the ambient IoT device, wherein a device identifier (ID) of the ambient IoT device is not a global device ID and the information associated with identifying the ambient IoT device includes the device ID of the ambient IoT device and a device ID of a reader device associated with the ambient IoT device.37.The apparatus of claim 18, wherein the UL / BL control information includes information associated with identifying the ambient IoT device, wherein a device identifier (ID) of the ambient IoT device is not a global device ID and the information associated with identifying the ambient IoT device includes the device ID of the ambient IoT device and a device ID of a receiver reader device associated with the ambient IoT device.38.The apparatus of claim 37, wherein the information associated with identifying the ambient IoT device further includes a device ID of a transmitter reader device associated with the ambient IoT device.39.An apparatus for wireless communication at a wireless communication device, comprising:one or more memories storing processor-executable code; andone or more processors coupled with the one or more memories, at least one processor of the one or more processors configured to cause the wireless communication device to:identify a configuration to be used by an ambient internet of things (IoT) device for transmitting uplink or backward link (UL / BL) control information to be received by the wireless communication device; andreceive the UL / BL control information according to the configuration,wherein, according to the configuration, the UL / BL control information is received at least partially in at least one of:a physical UL / BL control channel communication in a physical UL / BL control channel, the physical UL / BL control channel being separate from a physical UL / BL data channel,a physical UL / BL data channel communication in the physical UL / BL data channel, ora medium access control (MAC) control element (CE) .
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