Techniques for providing channel state information reporting information
By using implicit indications in wireless communication systems to adjust the amount of information reported by CSI, the problem of inefficiency in existing systems is solved, and more efficient resource utilization and communication efficiency are achieved.
Patent Information
- Application Number
- CN202280097271.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2022-07-07
- Publication Date
- 2025-02-07
AI Technical Summary
When providing channel status information reporting, existing wireless communication systems are difficult to effectively adjust the amount of information, resulting in inefficiency and waste of resources.
By passing implicit indications between user equipment (UE) and network nodes, the amount of information in the CSI report is adjusted to different from the messages scheduled for CSI report.
It realizes more flexible and efficient channel status information reporting, and optimizes the resource utilization and communication efficiency of wireless communication systems.
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Figure CN119404454A_ABST
Abstract
Description
Technical Field
[0001] Aspects of the present disclosure relate generally to wireless communications, and to techniques and apparatus for providing channel state information reporting information.
[0002] Related technologies
[0003] Wireless communication systems are widely deployed to provide a variety of telecommunication services, such as telephony, video, data, messaging, and broadcasting. Typical wireless communication systems may employ multiple access technologies that can support communication with multiple users by sharing available system resources (e.g., bandwidth, transmit power, etc.). Examples of such multiple access technologies 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, time division synchronous code division multiple access (TD-SCDMA) systems, and long term evolution (LTE). LTE / LTE-Advanced is a set of enhancements to the Universal Mobile Telecommunications System (UMTS) mobile standard promulgated by the Third Generation Partnership Project (3GPP).
[0004] A wireless network may include one or more network nodes that support communications for wireless communication devices, such as user equipment (UE) or multiple UEs. A UE may communicate with a network node via downlink communications and uplink communications. A "downlink" (or "DL") refers to a communication link from a network node to a UE, and an "uplink" (or "UL") refers to a communication link from a UE to a network node. Some wireless networks may support device-to-device communications, such as via a local link (e.g., a side link (SL), a wireless local area network (WLAN) link, and / or a wireless personal area network (WPAN) link, etc.).
[0005] These multiple access technologies have been adopted in various telecommunication standards to provide a common protocol that enables different UEs to communicate at a city, country, region, or global level. New Radio (NR), which may also be referred to as 5G, is a set of enhancements to the LTE mobile standard promulgated by 3GPP. NR is designed to better support mobile broadband Internet access by using orthogonal frequency division multiplexing (OFDM) (CP-OFDM) with a cyclic prefix (CP) on the downlink, using CP-OFDM or single carrier frequency division multiplexing (SC-FDM) (also known as discrete Fourier transform spread OFDM (DFT-s-OFDM) on the uplink, and supporting beamforming, multiple-input multiple-output (MIMO) antenna technology, and carrier aggregation to improve spectrum efficiency, reduce costs, improve services, utilize new spectrum, and better integrate with other open standards. Summary of the invention
[0006] Some aspects described herein relate to a method of wireless communication performed by a user equipment (UE). The method may include receiving an indication of an amount of information to be provided in a channel state information (CSI) report, the indication including an implicit indication of the amount of information in a first message, the first message being different from a second message that schedules the transmission of the CSI report. The method may include transmitting the CSI report with the amount of information as indicated by the implicit indication.
[0007] Some aspects described herein relate to a method of wireless communication performed by a network node. The method may include sending an indication of an amount of information to be provided in a CSI report, the indication including an implicit indication of the amount of information in a first message, the first message being different from a second message scheduling the sending of the CSI report. The method may include receiving, from a UE, the CSI report having the amount of information as indicated by the implicit indication.
[0008] Some aspects described herein relate to a UE for wireless communication. The UE may include a memory and one or more processors coupled to the memory. The one or more processors may be configured to receive an indication of an amount of information to be provided in a CSI report, the indication including an implicit indication of an amount of information in a first message, the first message being different from a second message that schedules the transmission of the CSI report. The one or more processors may be configured to send the CSI report with the amount of information as indicated by the implicit indication.
[0009] Some aspects described herein relate to a network node for wireless communication. The network node may include a memory and one or more processors coupled to the memory. The one or more processors may be configured to send an indication of an amount of information to be provided in a CSI report, the indication including an implicit indication of the amount of information in a first message, the first message being different from a second message that schedules the transmission of the CSI report. The one or more processors may be configured to receive, from a UE, the CSI report having the amount of information as indicated by the implicit indication.
[0010] Some aspects described herein relate to a non-transitory computer-readable medium storing a set of instructions for wireless communication by a UE. The set of instructions, when executed by one or more processors of the UE, may cause the UE to receive an indication of an amount of information to be provided in a CSI report, the indication comprising an implicit indication of an amount of information in a first message, the first message being different from a second message that schedules the transmission of the CSI report. The set of instructions, when executed by one or more processors of the UE, may cause the UE to transmit the CSI report having the amount of information as indicated by the implicit indication.
[0011] Some aspects described herein relate to a non-transitory computer-readable medium storing a set of instructions for wireless communication by a network node. The set of instructions, when executed by one or more processors of the network node, may cause the network node to send an indication of an amount of information to be provided in a CSI report, the indication comprising an implicit indication of the amount of information in a first message, the first message being different from a second message that schedules the sending of the CSI report. The set of instructions, when executed by one or more processors of the network node, may cause the network node to receive the CSI report from a UE having the amount of information as indicated by the implicit indication.
[0012] Some aspects described herein are directed to an apparatus for wireless communication. The apparatus may include means for receiving an indication of an amount of information to be provided in a CSI report, the indication including an implicit indication of the amount of information in a first message that is different from a second message that schedules the transmission of the CSI report. The apparatus may include means for transmitting the CSI report having the amount of information as indicated by the implicit indication.
[0013] Some aspects described herein are directed to an apparatus for wireless communication. The apparatus may include means for sending an indication of an amount of information to be provided in a CSI report, the indication including an implicit indication of the amount of information in a first message that is different from a second message that schedules the transmission of the CSI report. The apparatus may include means for receiving, from a UE, the CSI report having the amount of information as indicated by the implicit indication.
[0014] The various aspects generally include methods, apparatus, systems, computer program products, non-transitory computer-readable media, user equipment, base stations, network entities, network nodes, wireless communication devices and / or processing systems as fully described herein with reference to the drawings and description and as illustrated in the drawings and description.
[0015] The features and technical advantages of the examples according to the present disclosure have been outlined quite extensively above so that the following specific embodiments may be better understood. Additional features and advantages will be described below. The disclosed concepts and specific examples may be easily used as a basis for modifying or designing other structures for achieving the same purpose of the present disclosure. Such equivalent constructions do not depart from the scope of the appended claims. The characteristics of the concepts disclosed herein, both in terms of their organization and method of operation, and the associated advantages will be better understood by considering the following description in conjunction with the accompanying drawings. Each of the figures in the accompanying drawings is provided for the purpose of illustration and description, and not as a definition of the limitations of the claims. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In order to fully understand the above-mentioned features of the present disclosure, a more specific description of the invention briefly summarized above can be obtained by referring to various aspects (some of which are illustrated in the accompanying drawings). However, it should be noted that the accompanying drawings only illustrate certain typical aspects of the present disclosure and are therefore not to be considered as limiting the scope thereof, as the specification may admit of other equally effective aspects. The same reference numerals in different drawings may identify the same or similar elements.
[0017] Figure 1 is a diagram illustrating an example of a wireless network.
[0018] Figure 2 is a diagram illustrating an example of communication between a network node and a user equipment (UE) in a wireless network.
[0019] Figure 3 is a diagram illustrating an example decomposed base station architecture according to the present disclosure.
[0020] Figure 4 are diagrams illustrating various examples of a channel state information reference signal (CSI-RS) beam management procedure according to the present disclosure.
[0021] Figure 5 is a diagram illustrating an example of a beam prediction procedure according to the present disclosure.
[0022] Figure 6 is a diagram of an example associated with providing channel state information reporting information according to the present disclosure.
[0023] Figure 7 is a diagram illustrating an example process performed, for example, by a UE according to the present disclosure.
[0024] Figure 8 is a diagram illustrating an example process, for example, performed by a network node, according to the present disclosure.
[0025] Fig. 9 is a diagram of an example apparatus for wireless communications according to the present disclosure.
[0026] Fig.10 is a diagram of an example apparatus for wireless communications according to the present disclosure. DETAILED DESCRIPTION
[0027] The various aspects of the present disclosure are described more fully below with reference to the accompanying drawings. However, the present disclosure can be embodied in many different forms, and should not be construed as being limited to any specific structure or function presented throughout the present disclosure. Instead, these aspects are provided so that the present disclosure will be thorough and complete, and the protection scope of the present disclosure will be fully conveyed to those skilled in the art. It will be appreciated by those skilled in the art that the scope of the present disclosure is intended to cover any aspect of the present disclosure disclosed herein, whether it is implemented independently or in combination with any other aspect of the present disclosure. For example, any number of aspects set forth herein may be used to implement a device or practice method. In addition, the scope of the present disclosure is intended to cover such devices or methods implemented using other structures, functions, or structures and functions in addition to or different from the various aspects of the disclosure set forth herein. It should be understood that any aspect of the disclosure disclosed herein may be embodied by one or more elements of the present invention.
[0028] Several aspects of telecommunication systems will now be presented with reference to various devices and techniques. These devices and techniques will be described in the following detailed description and illustrated in the accompanying drawings by various blocks, modules, components, circuits, steps, processes, algorithms, etc. (collectively referred to as "elements"). These elements can be implemented using hardware, software, or a combination thereof. Whether these elements are implemented as hardware or software depends on the specific application and the design constraints imposed on the overall system.
[0029] Although various aspects may be described herein using terms generally associated with 5G or new radio (NR) radio access technology (RAT), various aspects of the present disclosure may be applicable to other RATs, such as 3G RAT, 4G RAT, and / or post-5G RATs (e.g., 6G).
[0030] Figure 11 is a diagram illustrating an example of a wireless network 100. The wireless network 100 may be a 5G (e.g., NR) network or a 4G (e.g., Long Term Evolution (LTE)) network, or may include elements of a 5G (e.g., NR) network or a 4G (e.g., Long Term Evolution (LTE)) network, etc. The wireless network 100 may include one or more network nodes 110 (shown as network node 110a, network node 110b, network node 110c, and network node 110d), one UE 120 or multiple UEs 120 (shown as UE 120a, UE 120b, UE 120c, UE 120d, and UE 120e), and / or other entities. The network node 110 is an example of a network node that communicates with the UE 120. As shown in the figure, the network node 110 may include one or more network nodes. For example, the network node 110 may be a converged network node, which means that the converged network node is configured to utilize a radio protocol stack that is physically or logically integrated within a single RAN node (e.g., within a single device or unit). As another example, the network node 110 may be a disaggregated network node (sometimes referred to as a disaggregated base station), which means that the network node 110 is configured to utilize a protocol stack that is physically or logically distributed between two or more nodes (such as one or more central units (CUs), one or more distributed units (DUs), or one or more radio units (RUs)).
[0031] In some examples, the network node 110 is or includes a network node that communicates with the UE 120 via a radio access link, such as an RU. In some examples, the network node 110 is or includes a network node that communicates with other network nodes 110 via a fronthaul link or a midhaul link, such as a DU. In some examples, the network node 110 is or includes a network node that communicates with other network nodes 110 via a midhaul link or communicates with the core network via a backhaul link, such as a CU. In some examples, the network node 110 (such as an aggregated network node 110 or a decomposed network node 110) may include multiple network nodes, such as one or more RUs, one or more CUs, and / or one or more DUs. For example, the network node 110 may include an NR base station, an LTE base station, a Node B, an eNB (e.g., in 4G), a gNB (e.g., in 5G), an access point, a transmit receive point (TRP), a DU, a RU, a CU, a mobility element of a network, a core network node, a network element, a network equipment, a RAN node, or a combination thereof. In some examples, network nodes 110 may be interconnected to each other or to one or more other network nodes 110 in wireless network 100 via various types of fronthaul, midhaul, and / or backhaul interfaces, such as direct physical connections, air interfaces, or virtual networks, using any suitable transport network.
[0032] In some examples, the network node 110 may provide communication coverage for a particular geographic area. In the Third Generation Partnership Project (3GPP), the term "cell" may refer to the coverage area of the network node 110 or a network node subsystem serving the coverage area, depending on the context in which the term is used. The 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 (e.g., a radius of several thousand meters) and may allow unrestricted access by a UE 120 with a service subscription. A pico cell may cover a relatively small geographic area and may allow unrestricted access by a UE 120 with a service subscription. A femto cell may cover a relatively small geographic area (e.g., a residence) and may allow restricted access by a UE 120 associated with the femto cell (e.g., a UE 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. The network node 110 for a femto cell may be referred to as a femto network node or a home network node. Figure 1 In the example shown in , network node 110a may be a macro network node for macro cell 102a, network node 110b may be a pico network node for pico cell 102b, and network node 110c may be a femto network node for femto cell 102c. A network node may support one or more (e.g., three) cells. In some examples, a cell may not necessarily be stationary, and the geographic area of a cell may move depending on the location of a mobile network node 110 (e.g., a mobile network node).
[0033] In some aspects, the term "base station" or "network node" may refer to a clustered base station, a decomposed base station, an integrated access and backhaul (IAB) node, a relay node, or one or more components thereof. For example, in some aspects, a "base station" or "network node" may refer to a CU, a DU, a RU, a near real-time (near RT) RAN intelligent controller (RIC), or a non-real-time (non-RT) RIC, or a combination thereof. In some aspects, the term "base station" or "network node" may refer to a device configured to perform one or more functions (such as those described herein in conjunction with network node 110). In some aspects, the term "base station" or "network node" may refer to multiple devices configured to perform one or more functions. For example, in some distributed systems, each of a number of different devices (which may be located in the same geographic location or in different geographic locations) may be configured to perform at least a portion of a function, or to repeat the execution of at least a portion of the function, and the term "base station" or "network node" may refer to any one or more of these different devices. In some aspects, the term "base station" or "network node" may refer to one or more virtual base stations or one or more virtual base station functions. For example, in some aspects, two or more base station functions may be instantiated on a single device. In some aspects, the term "base station" or "network node" may refer to one of the base station functions but not the other. In this way, a single device may include more than one base station.
[0034] The wireless network 100 may include one or more relay stations. A relay station is a network node that receives transmissions of data from an upstream node (e.g., a network node 110 or a UE 120) and transmits transmissions of data to a downstream node (e.g., a UE 120 or a network node 110). A relay station may be a UE 120 that is capable of relaying transmissions for other UEs 120. Figure 1 In the example shown, a network node 110d (e.g., a relay network node) may communicate with a network node 110a (e.g., a macro network node) and a UE 120d to facilitate communications between the network node 110a and the UE 120d. A network node 110 that relays communications may be referred to as a relay station, a relay base station, a relay network node, a relay node, a relay, or the like.
[0035] The wireless network 100 may be a heterogeneous network that includes different types of network nodes 110, such as macro network nodes, pico network nodes, femto network nodes, or relay network nodes. These different types of network nodes 110 may have different transmit power levels, different coverage areas, or different effects on interference in the wireless network 100. For example, a macro network node may have a high transmit power level (e.g., 5 to 40 watts), while a pico network node, a femto network node, and a relay network node may have a lower transmit power level (e.g., 0.1 to 2 watts).
[0036] The network controller 130 may be coupled to or in communication with a set of network nodes 110 and may provide coordination and control for the network nodes 110. The network controller 130 may communicate with the network nodes 110 via a backhaul communication link or a midhaul communication link. The network nodes 110 may also communicate directly with each other or indirectly via a wireless backhaul communication link or a wired backhaul communication link. In some aspects, the network controller 130 may be or may include a CU or a core network device.
[0037] UE 120 may be dispersed throughout the wireless network 100, and each UE 120 may be fixed or mobile. UE 120 may include, for example, an access terminal, a terminal, a mobile station, or a subscriber unit. UE 120 may be a cellular phone (e.g., 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 device, a camera, a gaming device, a netbook, a smartbook, an ultrabook, a medical device, a biometric device, a wearable device (e.g., a smart watch, smart clothing, smart glasses, a smart wristband, smart jewelry (e.g., a smart ring or a smart bracelet)), an entertainment device (e.g., a music device, a video device, or a satellite radio), an in-vehicle component or sensor, a smart meter / sensor, an industrial manufacturing equipment, a global positioning system device, a UE function of a network node, or any other suitable device configured to communicate via a wireless or wired medium.
[0038] Some UEs 120 may be considered as machine type communication (MTC) or evolved or enhanced machine type communication (eMTC) UEs. MTC UEs or eMTC UEs may include, for example, robots, drones, remote devices, sensors, meters, monitors, or location tags, which may communicate with a network node, another device (e.g., a remote device), or some other entity. Some UEs 120 may be considered as Internet of Things (IoT) devices, or may be implemented as NB-IoT (narrowband IoT) devices. Some UEs 120 may be considered as customer premises equipment. UE 120 may be included inside a housing that houses components of UE 120, such as a processor component or a memory component. In some examples, the processor component and the memory component may be coupled together. For example, a processor component (e.g., one or more processors) and a memory component (e.g., a memory) may be operably coupled, communicatively coupled, electronically coupled, or electrically coupled.
[0039] In general, any number of wireless networks 100 may be deployed in a given geographic area. Each wireless network 100 may support a specific RAT and may operate on one or more frequencies. RAT may also be referred to as a radio technology or air interface. Frequency may also be referred to as a carrier or frequency channel. Each frequency may support a single RAT in a given geographic area to avoid interference between wireless networks of different RATs. In some cases, NR or 5G RAT networks may be deployed.
[0040] In some examples, two or more UEs 120 (e.g., shown as UE 120a and UE 120e) may communicate directly using one or more sidelink channels (e.g., without using network node 110 as an intermediary to communicate with each other). For example, UE 120 may communicate using peer-to-peer (P2P) communication, device-to-device (D2D) communication, vehicle-to-everything (V2X) protocols (e.g., which may include vehicle-to-vehicle (V2V) protocols, vehicle-to-infrastructure (V2I) protocols, or vehicle-to-pedestrian (V2P) protocols), or mesh networks. In such examples, UE 120 may perform scheduling operations, resource selection operations, or other operations described elsewhere herein as being performed by network node 110.
[0041] Devices of the wireless network 100 may communicate using an electromagnetic spectrum, which may be subdivided into various categories, bands, or channels by frequency or wavelength. For example, devices of the wireless network 100 may communicate using one or more operating bands. In 5G NR, two initial operating bands have been identified as frequency range designations FR1 (410 MHz–7.125 GHz) and FR2 (24.25 GHz–52.6 GHz). Although a portion of FR1 is greater than 6 GHz, FR1 is often (interchangeably) referred to as the “below 6 GHz” band in various documents and articles. Similar naming issues sometimes occur with respect to FR2, which is often (interchangeably) referred to as the “millimeter wave” band in documents and articles, despite being different from the extremely high frequency (EHF) band (30 GHz–300 GHz) identified as the “millimeter wave” band by the International Telecommunication Union (ITU).
[0042] Frequencies between FR1 and FR2 are generally referred to as mid-band frequencies. Recent 5G NR research has identified the operating bands for these mid-band frequencies as frequency range designation FR3 (7.125GHz–24.25GHz). The bands falling within FR3 can inherit FR1 characteristics or FR2 characteristics, and thus the features of FR1 or FR2 can be effectively extended to mid-band frequencies. In addition, higher frequency bands are currently being explored to extend 5G NR operations to more than 52.6GHz. For example, three higher operating bands have been identified as frequency range designations FR4a or FR4-1 (52.6GHz–71GHz), FR4 (52.6GHz–114.25GHz), and FR5 (114.25GHz–300GHz). Each of these higher frequency bands falls within the EHF band.
[0043] With these examples in mind, unless otherwise specifically stated, if the term "sub-6 GHz" is used herein, it may broadly refer to frequencies that may be less than 6 GHz, frequencies that may be within FR1, or frequencies that may include mid-band frequencies. Additionally, unless otherwise specifically stated, if the term "millimeter wave" is used herein, it may broadly refer to frequencies that may include mid-band frequencies, frequencies that may be within FR2, FR4, FR4-a, FR4-1, or FR5, or frequencies that may be within the EHF band. It is contemplated that the frequencies included in these operating bands (e.g., FR1, FR2, FR3, FR4, FR4-a, FR4-1, or FR5) may be modified, and the techniques described herein are applicable to those modified frequency ranges.
[0044] In some aspects, UE 120 may include a communications manager 140. As described in greater detail elsewhere herein, communications manager 140 may receive an indication of an amount of information to be provided in a CSI report, the indication comprising an implicit indication of an amount of information in a first message that is different from a second message that schedules transmission of the CSI report; and transmit the CSI report having the amount of information as indicated by the implicit indication. Additionally or alternatively, communications manager 140 may perform one or more other operations described herein.
[0045] In some aspects, the network node 110 may include a communication manager 150. As described in greater detail elsewhere herein, the communication manager 150 may send an indication of an amount of information to be provided in a CSI report, the indication including an implicit indication of the amount of information, the indication including an implicit indication of the amount of information in a first message that is different from a second message that schedules the transmission of the CSI report; and receive from the UE a CSI report having the amount of information as indicated by the implicit indication. Additionally or alternatively, the communication manager 150 may perform one or more other operations described herein.
[0046] As indicated above, Figure 1 are provided as examples. Other examples can be found in the Figure 1 Different than described.
[0047] Figure 2 2 is a diagram illustrating an example 200 of a network node 110 communicating with a UE 120 in a wireless network 100. The network node 110 may be equipped with a set of antennas 234a to 234t, such as T antennas (T≥1). The UE 120 may be equipped with a set of antennas 252a to 252r, such as R antennas (R≥1). The network node 110 of example 200 includes one or more radio frequency components, such as an antenna 234 and a modem 254. In some examples, the network node 110 may include an interface, a communication component, or another component that facilitates communication with the UE 120 or another network node. Some network nodes 110 may not include a radio frequency component that facilitates direct communication with the UE 120, such as one or more CUs or one or more DUs.
[0048] At the network node 110, the transmit processor 220 may receive data intended for the UE 120 (or a set of UEs 120) from the data source 212. The transmit processor 220 may use one or more channel quality indicators (CQIs) received from the UE 120 to select one or more modulation and coding schemes (MCSs) for the UE 120. The network node 110 may process (e.g., encode and modulate) the data for the UE 120 using the MCS selected for the UE 120 and may provide data symbols to the UE 120. The transmit processor 220 may process system information (e.g., for semi-static resource partitioning information (SRPI)) and control information (e.g., CQI requests, grants, or upper layer signaling), and provide overhead symbols and control symbols. The transmit processor 220 may generate reference symbols for reference signals (e.g., cell-specific reference signals (CRS) or demodulation reference signals (DMRS)) and synchronization signals (e.g., primary synchronization signals (PSS) or secondary synchronization signals (SSS)). The transmit (TX) multiple-input multiple-output (MIMO) processor 230 may perform spatial processing (e.g., pre-coding) on data symbols, control symbols, overhead symbols, or reference symbols, where applicable, and may provide a set of output symbol streams (e.g., T output symbol streams) to a set of corresponding modems 232 (e.g., T modems) (shown as modems 232a to 232t). For example, each output symbol stream may be provided to a modulator component (shown as MOD) of the modem 232. Each modem 232 may process a corresponding output symbol stream (e.g., for OFDM) using a corresponding modulator component to obtain an output sample stream. Each modem 232 may also process (e.g., convert to analog, amplify, filter, or up-convert) the output sample stream using a corresponding modulator component to obtain a downlink signal. The modems 232a to 232t may transmit a set of downlink signals (e.g., T downlink signals) via a set of corresponding antennas 234 (e.g., T antennas) (shown as antennas 234a to 234t).
[0049] At the UE 120, a set of antennas 252 (shown as antennas 252a to 252r) may receive downlink signals from the network node 110 or other network nodes 110, and may provide a set of received signals (e.g., R received signals) to a set of modems 254 (e.g., R modems) (shown as modems 254a to 254r). For example, each received signal may be provided to a demodulator component (shown as DEMOD) of the modem 254. Each modem 254 may use a corresponding demodulator component to condition (e.g., filter, amplify, downconvert, or digitize) the received signal to obtain input samples. Each modem 254 may use a demodulator component to further process the input samples (e.g., for OFDM) to obtain received symbols. A MIMO detector 256 may obtain received symbols from the modem 254, may perform MIMO detection on the received symbols where applicable, and may provide detected symbols. The receive processor 258 may process (e.g., demodulate and decode) the detected symbols, may provide decoded data for the UE 120 to a data sink 260, and may provide decoded control information and system information to a controller / processor 280. The term "controller / processor" may refer to one or more controllers, one or more processors, or a combination thereof. The channel processor may determine a reference signal received power (RSRP) parameter, a received signal strength indicator (RSSI) parameter, a reference signal received quality (RSRQ) parameter, or a CQI parameter, among other things. In some examples, one or more components of the UE 120 may be included in a housing.
[0050] The network controller 130 may include a communication unit 294, a controller / processor 290, and a memory 292. The network controller 130 may include, for example, one or more devices in a core network. The network controller 130 may communicate with the network node 110 via the communication unit 294.
[0051] One or more antennas (e.g., antennas 234a to 234t or antennas 252a to 252r) may include or may be included in one or more antenna panels, one or more antenna groups, one or more group antenna elements, or one or more antenna arrays, etc. An antenna panel, antenna group, set of antenna elements, or antenna array may include one or more antenna elements (in a single housing or multiple housings), a set of coplanar antenna elements, a set of non-coplanar antenna elements, or coupled to one or more transmit or receive components (such as Figure 2 One or more antenna elements of one or more components).
[0052] On the uplink, at the UE 120, the transmit processor 264 may receive and process data from the data source 262 and control information from the controller / processor 280 (e.g., for reports including RSRP, RSSI, RSRQ, or CQI). The transmit processor 264 may generate reference symbols for one or more reference signals. The symbols from the transmit processor 264 may be pre-decoded by the TX MIMO processor 266, where applicable, further processed by the modem 254 (e.g., for DFT-s-OFDM or CP-OFDM), and sent to the network node 110. In some examples, the modem 254 of the UE 120 may include a modulator and a demodulator. In some examples, the UE 120 includes a transceiver. The transceiver may include any combination of an antenna 252, a modem 254, a MIMO detector 256, a receive processor 258, a transmit processor 264, or a TX MIMO processor 266. The transceiver may be used by a processor (eg, controller / processor 280) and memory 282 to perform aspects of any of the processes described herein (eg, with reference to Figures 5 to 10 ).
[0053] At the network node 110, uplink signals from the UE 120 or other UEs may be received by the antenna 234, processed by the modem 232 (e.g., a demodulator component of the modem 232, shown as DEMOD), detected by the MIMO detector 236 where applicable, and further processed by the receive processor 238 to obtain decoded data and control information transmitted via the UE 120. The receive processor 238 may provide the decoded data to the data sink 239 and provide the decoded control information to the controller / processor 240. The network node 110 may include a communication unit 244 and may communicate with the network controller 130 via the communication unit 244. The network node 110 may include a scheduler 246 to schedule one or more UEs 120 for downlink or uplink communication. In some examples, the modem 232 of the network node 110 may include a modulator and a demodulator. In some examples, the network node 110 includes a transceiver. The transceiver may include any combination of antenna 234, modem 232, MIMO detector 236, receive processor 238, transmit processor 220, or TX MIMO processor 230. The transceiver may be used by a processor (e.g., controller / processor 240) and memory 242 to perform aspects of any of the processes described herein (e.g., reference 200 to FIG. 1 ). Figures 5 to 10 ).
[0054] In some aspects, the controller / processor 280 may be a component of a processing system. A processing system may generally be a system or series of machines or components that receives input and processes the input to produce a set of outputs that may be communicated to other systems or components, such as the UE 120. For example, the processing system of the UE 120 may be a system that includes various other components or subcomponents of the UE 120.
[0055] The processing system of UE 120 may interface with one or more other components of UE 120, may process information (such as input or signal) received from one or more other components, or may output information to one or more other components. For example, a chip or modem of UE 120 may include: a processing system, a first interface for receiving or obtaining information, and a second interface for outputting, sending, or providing information. In some examples, the first interface may be an interface between a processing system of the chip or modem and a receiver, so that UE 120 may receive information or signal input, and may pass information to the processing system. In some examples, the second interface may be an interface between a processing system of the chip or modem and a transmitter, so that UE 120 may send information output from the chip or modem. A person of ordinary skill in the art will readily recognize that the second interface may also obtain or receive information or signal input, and the first interface may also output, send, or provide information.
[0056] In some aspects, controller / processor 240 may be a component of a processing system. A processing system may generally be a system or series of machines or components that receives inputs and processes the inputs to produce a set of outputs that may be passed to other systems or components of, for example, network node 110. For example, a processing system of network node 110 may be a system that includes various other components or subcomponents of network node 110.
[0057] The processing system of the network node 110 may interface with one or more other components of the network node 110, may process information (such as input or signal) received from one or more other components, or may output information to one or more other components. For example, a chip or modem of the network node 110 may include: a processing system, a first interface for receiving or obtaining information, and a second interface for outputting, sending, or providing information. In some examples, the first interface may be an interface between the processing system of the chip or modem and a receiver, so that the network node 110 can receive information or signal input, and can pass information to the processing system. In some examples, the second interface may be an interface between the processing system of the chip or modem and a transmitter, so that the network node 110 can send information output from the chip or modem. Those of ordinary skill in the art will readily recognize that the second interface may also obtain or receive information or signal input, and the first interface may also output, send, or provide information.
[0058] The controller / processor 240 of the network node 110, the controller / processor 280 of the UE 120, or Figure 2 Any other component of the network node 110 may perform one or more techniques associated with providing channel state information reporting information, 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, or Figure 2 Any other component (or combination of components) may perform or direct, for example Figure 6 The process of 600 Figure 7 10 and / or operations of other processes as described herein. Memory 242 and memory 282 may store data and program codes for network node 110 and UE 120, respectively. In some examples, memory 242 and memory 282 may include non-transitory computer-readable media storing one or more instructions (e.g., code or program code) for wireless communication. For example, the one or more instructions, when executed (e.g., directly, or after compilation, conversion, or interpretation) by one or more processors of network node 110 or UE 120, may cause the one or more processors, UE 120, or network node 110 to perform or direct, for example, Figure 6 The process of 600 Figure 7 The process 700 of , and / or the operation of other processes as described herein. In some examples, executing instructions may include running instructions, converting instructions, compiling instructions, and / or interpreting instructions, etc.
[0059] In some aspects, a UE (e.g., UE 120) includes: means for receiving an indication of an amount of information to be provided in a CSI report, the indication including an implicit indication of the amount of information in a first message that is different from a second message that schedules the transmission of the CSI report; and / or means for transmitting the CSI report having the amount of information as indicated by the implicit indication. The means for the UE to perform the operations described herein may include, for example, one or more of the following: the communication manager 140, the antenna 252, the modem 254, the MIMO detector 256, the receive processor 258, the transmit processor 264, the TX MIMO processor 266, the controller / processor 280, or the memory 282.
[0060] In some aspects, the network node includes: means for sending an indication of an amount of information to be provided in a CSI report, the indication including an implicit indication of the amount of information in a first message that is different from a second message that schedules the transmission of the CSI report; and / or means for receiving from the UE a CSI report having the amount of information as indicated by the implicit indication. In some aspects, the means for the network node to perform operations described herein may include, for example, one or more of the communication manager 150, the transmit processor 220, the TX MIMO processor 230, the modem 232, the antenna 234, the MIMO detector 236, the receive processor 238, the controller / processor 240, the memory 242, or the scheduler 246.
[0061] Although Figure 2 The blocks in the 200 and 210 are illustrated as distinct components, but the functionality described above for these blocks may be implemented in a single hardware, software, or combined component or in various combinations of components. For example, the functionality described for the transmit processor 264, the receive processor 258, and / or the TX MIMO processor 266 may be performed by or under the control of the controller / processor 280.
[0062] As indicated above, Figure 2 are provided as examples. Other examples can be found in the Figure 2 Different than described.
[0063] The deployment of a communication system (such as a 5G NR system) can be arranged in a variety of ways with various components or components. In a 5G NR system or network, a network node, a network entity, a mobility element of a network, a RAN node, a core network node, a network element, a base station or network equipment can be implemented in an aggregated or decomposed architecture. For example, a base station (such as a node B (NB), an evolved NB (eNB), an NR BS, a 5G NB, an access point (AP), a TRP or a cell, etc.) or one or more units (or one or more components) performing base station functionality can be implemented as an aggregated base station (also referred to as an independent base station or a monolithic base station) or a decomposed base station. "Network entity" or "network node" may refer to a decomposed base station or one or more units of a decomposed base station (such as one or more CUs, one or more DUs, one or more RUs, or a combination thereof).
[0064] An aggregated base station (e.g., an aggregated network node) may be configured to utilize a radio protocol stack that is physically or logically integrated within a single RAN node (e.g., within a single device or unit). A decomposed base station (e.g., a decomposed network node) may be configured to utilize a protocol stack that is physically or logically distributed between two or more units (such as one or more CUs, one or more DUs, or one or more RUs). In some examples, a CU may be implemented within a network node, and one or more DUs may be co-located with the CU, or alternatively, may be geographically or virtually distributed across one or more other network nodes. A DU may be implemented to communicate with one or more RUs. Each of a CU, a DU, and a RU may also be implemented as a virtual unit, such as a virtual central unit (VCU), a virtual distributed unit (VDU), or a virtual radio unit (VRU), and the like.
[0065] Base station type operations or network designs may take into account the aggregated nature of base station functionality. For example, a decomposed base station may be utilized in an IAB network, an open radio access network (O-RAN (such as a network configuration initiated by the O-RAN Alliance)), or a virtualized radio access network (vRAN, also known as a cloud radio access network (C-RAN)) to facilitate the scaling of a communication system by separating base station functionality into one or more units that can be deployed separately. A decomposed base station may include functionality implemented across two or more units at various physical locations, as well as functionality implemented virtually for at least one unit, which may enable flexibility in network design. Individual units of a decomposed base station may be configured for wired or wireless communication with at least one other unit of the decomposed base station.
[0066] Figure 33 is a diagram illustrating an example disaggregated base station architecture 300 according to the present disclosure. The disaggregated base station architecture 300 may include a CU 310 that may communicate directly with a core network 320 via a backhaul link, or indirectly with the core network 320 through one or more disaggregated control units, such as a near-RT RIC 325 via an E2 link, or a non-RT RIC 315 associated with a service management and orchestration (SMO) framework 305, or both. The CU 310 may communicate with one or more DUs 330 via respective midhaul links, such as via an F1 interface. Each of the DUs 330 may communicate with one or more RUs 340 via respective fronthaul links. Each of the RUs 340 may communicate with one or more UEs 120 via respective radio frequency (RF) access links. In some implementations, a UE 120 may be served simultaneously by multiple RUs 340.
[0067] Each of the units (including CU 310, DU 330, RU 340) and the near-RT RIC 325, non-RT RIC 315, and SMO framework 305 may include or be coupled to one or more interfaces, the one or more interfaces being configured to receive or send signals, data, or information (collectively referred to as signals) via a wired or wireless transmission medium. Each of the units or an associated processor or controller that provides instructions to one or more communication interfaces of the corresponding unit may be configured to communicate with one or more of the other units via a transmission medium. In some examples, each of the units may include a wired interface and a wireless interface, the wired interface being configured to receive signals or send signals to one or more of the other units via a wired transmission medium, the wireless interface being configured to receive signals or send signals to one or more of the other units via a wired transmission medium, or both.
[0068] In some aspects, the CU 310 may host one or more higher layer control functions. Such control functions may include radio resource control (RRC) functions, packet data convergence protocol (PDCP) functions, or service data adaptation protocol (SDAP) functions, etc. Each control function may be implemented using an interface that is configured to communicate signals with other control functions hosted by the CU 310. The CU 310 may be configured to handle user plane functionality (e.g., central unit-user plane (CU-UP) functionality), control plane functionality (e.g., central unit-control plane (CU-CP) functionality), or a combination thereof. In some specific implementations, the CU 310 may be logically split into one or more CU-UP units and one or more CU-CP units. When implemented in an O-RAN configuration, the CU-UP unit may communicate bidirectionally with the CU-CP unit via an interface (such as an E1 interface). As needed, the CU 310 may be implemented to communicate with the DU 330 for network control and signaling.
[0069] Each DU 330 may correspond to a logical unit that includes one or more base station functions for controlling the operation of one or more RUs 340. In some aspects, the DU 330 may host one or more of a radio link control (RLC) layer, a MAC layer, and one or more high physical (PHY) layers, at least in part, according to a functional partition such as that defined by 3GPP. In some aspects, one or more high PHY layers may be implemented by one or more modules for forward error correction (FEC) encoding and decoding, scrambling, modulation and demodulation, etc. In some aspects, the DU 330 may also host one or more low PHY layers, such as one or more modules for fast Fourier transform (FFT), inverse FFT (iFFT), digital beamforming or physical random access channel (PRACH) extraction and filtering. Each layer (which may also be referred to as a module) may be implemented with an interface that is configured to communicate signals with other layers (and modules) hosted by the DU 330 or with control functions hosted by the CU 310.
[0070] Each RU 340 may implement lower layer functionality. In some deployments, the RU 340 controlled by the DU 330 may correspond to a logical node that hosts RF processing functions or low PHY layer functions such as performing FFT, performing iFFT, digital beamforming, or PRACH extraction and filtering based on functional split (e.g., functional split defined by 3GPP) (such as lower layer functional split). In this architecture, each RU 340 may be operated to handle over-the-air (OTA) communications with one or more UEs 120. In some specific implementations, real-time and non-real-time aspects of control plane and user plane communications with the RU 340 may be controlled by the corresponding DU 330. In some scenarios, this configuration may enable each DU 330 and CU 310 to be implemented in a cloud-based RAN architecture (such as a vRAN architecture).
[0071] The SMO framework 305 may be configured to support RAN deployment and configuration of non-virtualized network elements and virtualized network elements. For non-virtualized network elements, the SMO framework 305 may be configured to support the deployment of dedicated physical resources for RAN coverage requirements, which may be managed via an operation and maintenance interface (such as an O1 interface). For virtualized network elements, the SMO framework 305 may be configured to interact with a cloud computing platform (such as an open cloud (O-Cloud) platform 335) to perform network element lifecycle management (such as instantiating virtualized network elements) via a cloud computing platform interface (such as an O2 interface). Such virtualized network elements may include, but are not limited to, CU 310, DU 330, RU 340, non-RT RIC 315, and near-RTRIC 325. In some specific implementations, the SMO framework 305 may communicate with hardware aspects of the 4G RAN (such as an open eNB (O-eNB) 311) via the O1 interface. Additionally, in some implementations, the SMO framework 305 can communicate directly with each of the one or more RUs 340 via a corresponding O1 interface. The SMO framework 305 can also include a non-RT RIC 315 configured to support the functionality of the SMO framework 305.
[0072] The non-RT RIC 315 may be configured to include logic functions that enable non-real-time control and optimization of RAN elements and resources, artificial intelligence / machine learning (AI / ML) workflows including model training and updating, or policy-based guidance of applications / features in the near-RT RIC 325. The non-RT RIC 315 may be coupled to or in communication with the near-RT RIC 325 (such as via an A1 interface). The near-RT RIC 325 may be configured to include logic functions that enable near-real-time control and optimization of RAN elements and resources via data collection and actions through an interface (such as via an E2 interface) that connects one or more CUs 310, one or more DUs 330, or both, and the O-eNB with the near-RT RIC 325.
[0073] In some implementations, in order to generate an AI / ML model to be deployed in the near-RT RIC 325, the non-RT RIC 315 may receive parameters or external enrichment information from an external server. Such information may be utilized by the near-RT RIC 325 and may be received from a non-network data source or from a network function at the SMO framework 305 or the non-RT RIC 315. In some examples, the non-RT RIC 315 or the near-RT RIC 325 may be configured to tune RAN behavior or performance. For example, the non-RT RIC 315 may monitor long-term trends and patterns of performance and employ AI / ML models to perform corrective actions through the SMO framework 305 (such as via reconfiguration of the O1 interface) or via the creation of RAN management policies (such as A1 interface policies).
[0074] As indicated above, Figure 3 are provided as examples. Other examples can be found in the Figure 3 Different than described.
[0075] Figure 4 4 is a diagram illustrating examples 400, 410, and 420 of a channel state information reference signal (CSI-RS) beam management procedure according to the present disclosure. Figure 4 As shown, examples 400, 410, and 420 include UE 120 communicating with network node 110 in a wireless network (e.g., wireless network 100). Figure 4 The devices shown are provided as examples, and the wireless network may support communication and beam management between other devices (e.g., between UE 120 and network node 110 or a transmit receive point (TRP), between a mobile terminal node and a control node, between an integrated access and backhaul (IAB) child node and an IAB parent node, between a scheduled node and a scheduling node). In some aspects, UE 120 and network node 110 may be in a connected state (e.g., an RRC connected state).
[0076] like Figure 4 As shown in , example 400 may include a network node 110 (e.g., one or more network node devices such as RU, DU and / or CU, etc.) and a UE 120 communicating to perform beam management using CSI-RS. Example 400 depicts a first beam management procedure (e.g., P1 CSI-RS beam management). The first beam management procedure may be referred to as a beam selection procedure, an initial beam acquisition procedure, a beam scanning procedure, a cell search procedure, and / or a beam search procedure. Figure 4 As shown in example 400, the CSI-RS may be configured to be sent from the network node 110 to the UE 120. The CSI-RS may be configured to be periodic (e.g., using RRC signaling), semi-persistent (e.g., using medium access control (MAC) control element (MAC-CE) signaling), and / or aperiodic (e.g., using downlink control information (DCI)).
[0077] The first beam management procedure may include the network node 110 performing beam scanning on multiple transmit (Tx) beams. The network node 110 may transmit a CSI-RS using each transmit beam used for beam management. In order to enable the UE 120 to perform receive (Rx) beam scanning, the network node may transmit each CSI-RS multiple times (e.g., with repetitions) within the same reference signal resource set using a transmit beam, so that the UE 120 may sweep the receive beam in multiple transmit instances. For example, if the network node 110 has a set of N transmit beams and the UE 120 has a set of M receive beams, the CSI-RS may be transmitted M times on each of the N transmit beams, so that the UE 120 may receive M instances of the CSI-RS per transmit beam. In other words, for each transmit beam of the network node 110, the UE 120 may perform beam scanning on the receive beam of the UE 120. Thus, the first beam management procedure may enable UE 120 to measure CSI-RS on different transmit beams using different receive beams to support selection of a network node 110 transmit beam / UE 120 receive beam pair. UE 120 may report the measurements to network node 110 to enable network node 110 to select one or more beam pairs for communication between network node 110 and UE 120. Although example 400 has been described in conjunction with CSI-RS, the first beam management procedure may also use synchronization signal blocks (SSBs) to perform beam management in a similar manner as described above.
[0078] like Figure 4As shown, example 410 may include network node 110 and UE 120 communicating to perform beam management using CSI-RS. Example 410 depicts a second beam management procedure (e.g., P2 CSI-RS beam management). The second beam management procedure may be referred to as a beam refinement procedure, a network node beam refinement procedure, a TRP beam refinement procedure, and / or a transmit beam refinement procedure. Figure 4 As shown in example 410, the CSI-RS may be configured to be transmitted from the network node 110 to the UE 120. The CSI-RS may be configured to be non-periodic (e.g., using DCI). The second beam management procedure may include the network node 110 performing beam scanning on one or more transmit beams. The one or more transmit beams may be a subset of all transmit beams associated with the network node 110 (e.g., determined at least in part based on measurements reported by the UE 120 in conjunction with the first beam management procedure). The network node 110 may transmit the CSI-RS using each of the one or more transmit beams used for beam management. The UE 120 may measure each CSI-RS using a single (e.g., identical) receive beam (e.g., determined at least in part based on measurements performed in conjunction with the first beam management procedure). The second beam management procedure may enable the network node 110 to select the best transmit beam based at least in part on measurements of the CSI-RS reported by the UE 120 (e.g., measured by the UE 120 using a single receive beam).
[0079] like Figure 4 As shown, example 420 depicts a third beam management procedure (e.g., P3 CSI-RS beam management). The third beam management procedure may be referred to as a beam refinement procedure, a UE beam refinement procedure, and / or a receive beam refinement procedure. Figure 4As shown in example 420, one or more CSI-RS may be configured to be sent from the network node 110 to the UE 120. The CSI-RS may be configured to be non-periodic (e.g., using DCI). The third beam management procedure may include the network node 110 sending the one or more CSI-RS using a single transmit beam (e.g., determined at least in part based on measurements reported by the UE 120 in conjunction with the first beam management procedure and / or the second beam management procedure). In order to enable the UE 120 to perform receive beam scanning, the network node may use the transmit beam to send multiple times (e.g., with repetitions) CSI-RS within the same reference signal resource set, so that the UE 120 can sweep across one or more receive beams in multiple transmission instances. The one or more receive beams may be a subset of all receive beams associated with the UE 120 (e.g., determined at least in part based on measurements performed in conjunction with the first beam management procedure and / or the second beam management procedure). The third beam management procedure may enable the network node 110 and / or the UE 120 to select the best receive beam based at least in part on reported measurements received from the UE 120 (e.g., the reported measurements are measurements of the CSI-RS of the transmit beam using the one or more receive beams).
[0080] As indicated above, Figure 4 is provided as an example of a beam management procedure. Other examples of beam management procedures can be found in Figure 4 For example, UE 120 and network node 110 may perform the third beam management procedure before performing the second beam management procedure, and / or UE 120 and network node 110 may perform a similar beam management procedure to select a UE transmit beam.
[0081] Figure 5 is a diagram illustrating an example 500 of a beam prediction procedure according to the present disclosure.
[0082] Beam management procedures can improve communications in wireless networks by providing network nodes and / or UEs with a mechanism to identify beams with better signal quality relative to other beams. Communicating via a wireless network using beams with better signal quality relative to other beams can reduce recovery errors at the receiver, increase data throughput, and / or reduce data transmission latency (e.g., by reducing retransmissions). Various factors may cause network nodes and UEs to perform beam management procedures multiple times, such as atmospheric changes, UEs moving to new locations, and / or changes in interference associated with other devices. Repeated beam management procedures may consume air interface resources (e.g., frequency resources and / or time resources) that the wireless network could have otherwise been directed to additional devices or used for other transmissions. Therefore, when the network node and UE perform each beam management procedure, the repeated beam management procedures may increase data transmission latency for other devices.
[0083] In order to reduce the signaling overhead and resource consumption associated with the beam management procedure, the network node 502 (shown as a base station in the example 500) may select beams and / or beam pairs based at least in part on a prediction algorithm. For example, the network node 502 may include one or more modules 504 trained using a machine learning algorithm (e.g., a deep neural network (DNN) algorithm, a long short-term memory (LSTM) network algorithm, a gradient boosting algorithm, a K-means algorithm, and / or a random forest algorithm). Machine learning involves a computer learning from data to perform a task. As an example, a machine learning algorithm is used to train a machine learning model based at least in part on sample data referred to as "training data". Once trained, the machine learning model can be used to make predictions, decisions, or classifications related to new observations. In some aspects, the module 504 may be trained to predict a signal metric (e.g., a signal to interference plus noise ratio (SINR) metric and / or an RSRP metric). Alternatively or additionally, the module 504 may be trained to predict a beam and / or beam pair based at least in part on a signal metric (e.g., a UE-generated signal metric and / or a predicted signal metric).
[0084] For illustration, the network node 502 may periodically receive UE-reported signal metrics (e.g., from the UE 120), as shown by reference numerals 506, 508, and 510. As an example, the network node 502 may receive layer 1 RSRP (L1-RSRP) metrics and / or layer 1 SINR (L1-SINR) metrics from the UE 120 every 120 milliseconds (msec) as UE-reported signal metrics. The module 504 may receive the UE-reported signal metrics as input and predict one or more signal metrics and / or one or more beam configurations at various points in time, as shown by reference numerals 512-1 to 512-n (where n is an integer). For example, the module 504 may use the UE-reported signal metrics shown by reference numeral 506 to predict a set of future signal metrics and / or a set of future beam configurations with a periodicity of 20 milliseconds. The module 504 may iteratively receive the UE-reported signal metrics as shown by reference numerals 508 and 510 as feedback for subsequent predictions. To illustrate, module 504 may use the signal metrics reported by the UE shown by reference numeral 508 and / or the signal metrics reported by the UE shown by reference numeral 506 to predict the signal metrics as shown by reference numerals 514-1 to 514-n. Module 504 may alternatively or additionally select beams and / or beam pairs that are predicted to have better performance (e.g., improved signal quality, reduced recovery errors, and / or increased data throughput) relative to other beams. In order to conserve air interface resources, UE 120 may be configured to avoid reporting signal metrics between configured reporting periods, as shown by reference numerals 506, 508, and 510.
[0085] As indicated above, Figure 5 are provided as examples. Other examples can be found in the Figure 5 Different than described.
[0086] In some networks, such as combined Figure 5 As described, the network node performs beam prediction based at least in part on reported metrics from the UE. In some networks, the UE may perform beam prediction and report the predicted beam to the network node. Some networks may be configured for network node-based beam prediction or UE-based beam prediction.
[0087] Network node based beam prediction may be limited by the amount of information provided by the UE in a CSI report or other metric report. For example, the limited amount of information may be based at least in part on the saving of network resources that would be consumed by the UE to report a complete set of measurements of reference signals. In an example network, the UE may report a quantized L1-RSRP associated with the top 2 strongest SSBs instead of reporting all 8 SSBs measured by the UE. This may result in performance degradation for beam prediction based at least in part on the network node having reduced information for beam prediction. However, network node based beam prediction may save power and computational resources of the UE.
[0088] Alternatively, UE-based beam prediction may be based at least in part on the UE observing more measurements without consuming overhead to access these measurements. The UE may report one or more predicted beams and / or determine one or more beams that should be measured based at least in part on the UE-based beam prediction. However, the UE may consume computational and power resources to train a model for beam prediction.
[0089] In some networks, the UE may be configured with multiple SSBs to report (e.g., ReportQuantity = ssb-Index-RSRP or ssb-Index-SINR or cri-RSRP or cri-SINR) for joint SSB resource index (SSBRI) CSI resource index (RI) and L1-RSRP / L1-SINR beam reporting. The UE may report the number of multiple reported reference signals (e.g., nrofReportedRS). For example, the UE may be configured by RRC to report up to 2 or 4 reference signals for each configuration (e.g., CSI-ReportConfig) based at least in part on UE capabilities (e.g., using different SSBRIs or CRIs, etc.).
[0090] For L1-RSRP reporting, the UE may report the strongest SSBRI with 7 bits indicating RSRP in the range of [-140, -44] dBm with 1 dBm steps. For the remaining SSBRI or CRI, the UE may use 4 bits to report differential RSRP in the range of [0, -30] dB with 2 dB steps and a reference to the strongest SSBRI or CRI L1-RSRP.
[0091] For the strongest SSBRI or CRI L1-RSRP, there are invalid code points based at least in part on having only 2^7=128 available code points with 140-44+1=97 candidate RSRPs to report. The mapping between the reported 7-bit or 4-bit code points and the actual measured RSRP values is defined in the communication protocol (e.g., TS-38.133 Table 10.1.6.1-1 and Table 10.1.6.1-2).
[0092] For L1-SINR reporting, the UE may report the strongest SSBRI or CRI with 7 bits to indicate the SINR in the range of [-23, 40] dB with a step size of 0.5 dB. For the remaining SSBRI or CRI, the UE may use 4 bits to report the differential SINR in the range of [0, -15] dB with a step size of 1 dB and a reference to the strongest SSBRI or CRI L1-SINR.
[0093] For the strongest and remaining SSBRI or CRI, there may be no invalid code points, but for the strongest SSBRI or CRI, SINR_0 represents SINR<-23dB, and DIFFSINR_15 represents ΔSINR≤-15dB. The mapping between the reported 7-bit or 4-bit code points and the actual measured SINR values is defined in the communication protocol (e.g., TS-38.133 Table 10.1.16.1-1 and Table 10.1.16.1-2).
[0094] In network node based time domain beam prediction that relies on UE reported L1-RSRP as input, the amount of information reported may be insufficient. More L1-RSRP on the remaining CSI-RS / SSB resources may be necessary to adequately predict the beam. This may be impractical if uplink coverage is limited or if the UE is not scheduled with enough uplink resources for such information.
[0095] Alternatively, although UE-based beam prediction does not require reporting a large amount of L1-RSRP, since an additional ML model is deployed and operated at the UE in addition to the beam management procedure, UE power is consumed. However, using UE-based beam prediction may allow the number of L1-RSRPs reported to the network node to be reduced. In this case, the UE may report the UE-predicted transmit and / or receive beams and the associated L1-RSRP.
[0096] In some aspects described herein, the UE and the network node may be configured to switch between UE-based beam prediction and network node-based beam prediction. Considering different UE power saving modes, uplink coverage conditions and / or available UL resources, it is beneficial to support dynamic switching between these two modes (network node-based beam prediction and UE-based beam prediction).
[0097] In some aspects, the switch may be indicated by different CSI reporting settings for periodic (P) and / or semi-persistent (SP) CSI reporting, or by different CSI triggering configurations for aperiodic (AP) CSI reporting.
[0098] Additionally or alternatively, the switch may be implicitly indicated by signaling associated with other types of dynamic changes. For example, the implicit indication may indicate whether UE-based beam prediction or network node-based beam prediction is used. Additionally or alternatively, the implicit indication may indicate one or more parameters of UE-based beam prediction or network node-based beam prediction (e.g., in combination with a broad, explicit indication of the use of UE-based beam prediction or network node-based beam prediction). For example, the implicit indication of one or more parameters may indicate the selection of one of a large number of reporting frameworks (or compression of L1 reports) to efficiently provide reports with different levels of overhead-performance tradeoffs. This may provide improved granularity in the amount of information to be provided in the CSI report relative to legacy configurations of CSI reporting based at least in part on RRC, MAC-CE and / or DCI overhead limitations. For example, in legacy configurations of SP CSI reporting activated by DCI, the total number of SP CSI reports that can be activated is limited by the number of CSI request bits (e.g., up to 6 bits) in the uplink grant DCI.
[0099] In some aspects described herein, an indication of the amount of information to be included in a CSI report (e.g., associated with network node-based beam prediction or UE-based beam prediction) may be indicated via explicit indication (e.g., within a CSI configuration message) and implicit indication (e.g., in a message different from the CSI configuration message) to support switching between network node-based beam prediction and UE-based beam prediction while improving the efficiency of CSI reporting.
[0100] In some aspects, an explicit indication of the amount of information to be included in a CSI report (e.g., associated with network node-based beam prediction or UE-based beam prediction) may be based at least in part on the type of CSI report. For example, for PCSI reporting or SP CSI reporting, a UE may be configured with at least 2 different CSI reporting settings associated with 2 different types of reporting frames. A first type of reporting frame is associated with reporting L1-RSRP that addresses at least a higher number of channel measurement resources (CMRs) and consumes higher reporting overhead, where UE-based beam prediction is not expected (e.g., where network node-based beam prediction is expected). A second type of reporting frame is associated with reporting L1-RSRP that addresses at least a lower number of CMRs and consumes lower reporting overhead, where UE-side beam prediction is expected. A second reporting frame may be associated with reporting a predicted L1-RSRP that addresses certain CMRs. Each type of reporting frame may include multiple sub-types of reporting frames.
[0101] For SP CSI reporting, the MAC-CE activating SP CSI reporting may indicate which specific type and / or subtype should be used. For AP CSI reporting, the CSI triggering state configuration associated with certain CSI reporting settings may indicate which specific type and / or subtype should be used.
[0102] The UE may identify an appropriate reporting framework and / or amount of information to provide in a CSI report based at least in part on P, SP, or AP CSI reporting being configured, activated, or triggered.
[0103] Different reporting frameworks may include different subtype parameters. For example, different reporting frameworks may be associated with parameters for multiple L1-RSRPs and associated multiple CMR-IDs or CMR+Rx-beam-ID pairs. Additionally or alternatively, different reporting frameworks may be associated with parameters for L1-RSRP / L1-SINR quantization schemes, resulting in different final payload sizes. For example, different quantization granularities, step sizes, and / or dynamic ranges may be associated with different reporting frameworks. In some aspects, if differential quantization refers to another L1-RSRP or L1-SINR, different source L1-RSRP or L1-SINR options may be considered. In some aspects, L1 reports including different compression schemes (at least with differences in the compressed payload size) may be associated with different reporting frameworks.
[0104] In some aspects, a network node may send an implicit indication of the amount of data to be included in a CSI report. A UE may be configured with a single CSI reporting setup to report at least L1-RSRP or L1-SINR associated with multiple channel measurement resources (e.g., CSI-RS or SSB resources). The UE may receive an indication of a dynamic mode switch (e.g., indicating a configured communication mode for another aspect of communication that is not a CSI-RS report). The indication of a dynamic mode switch may be an implicit indication of a reporting framework for CSI reporting. Prior to receiving an indication of a dynamic mode switch, an association between a specific L1 reporting framework and a specific mode indicated by the dynamic mode switch may be indicated in a communication protocol and / or via RRC signaling. If the association is configured by a network node, the association may also be based at least in part on an indication within a CSI reporting setup. In some aspects, an implicit indication may indicate any different sub-type parameters, such as those described herein.
[0105] In some aspects, the implicit indication may be based at least in part on dynamic mode switching of physical uplink shared channel (PUCCH) resources and / or PUCCH repetition factor, dynamic switching between single TRP operation mode and multi-TRP operation mode, and / or dynamic switching between non-DRX and DRX (e.g., including DRX periodicity).
[0106] In some aspects, different L1 reporting framework options (e.g., the amount of information and / or the type of information to be included in the CSI report) may be associated with different PUCCH payload sizes and / or different PUCCH repetition factors. In this manner, the UE may determine the reporting framework based at least in part on the dynamically indicated PUCCH resource payload size and / or the associated repetition factor. For example, when the PUCCH repetition factor is greater than a threshold or when the PUCCH resource payload size is less than a threshold, the UE may use a reporting framework that utilizes fewer payload bits (e.g., for L1 reporting based on UE-based beam prediction). Alternatively, when the PUCCH repetition factor is below a threshold or when the PUCCH resource payload size is greater than a threshold, the UE may use a reporting framework that utilizes higher payload bits (e.g., for L1 reporting based on beam prediction of a network node).
[0107] In some aspects, different L1 reporting framework options may be associated with different single-TRP operating modes and multi-TRP operating modes. In this way, the UE may determine the reporting framework based at least in part on the dynamically indicated single-TRP operating mode or multi-TRP operating mode. For example, when a single-TRP operating mode is indicated, a reporting framework for UE-based beam prediction may be used (e.g., because the ML model complexity for this may be lower). Alternatively, when a multi-TRP operating mode is indicated, a reporting framework for network node-based beam prediction should be used (e.g., because the ML model complexity for this may be higher).
[0108] In some aspects, if the UE identifies decoded DCI during a DRX-On cycle (e.g., the network node indicates that a physical downlink shared channel (PDSCH) and / or a physical uplink shared channel (PUSCH) is scheduled for the UE during the DRX-On cycle), then the L1-RSRP reporting applicable until the next DRX-On cycle may be based at least in part on a framework for UE-based beam prediction. This may be based at least in part on an associated UE power budget for ML inference, which may be higher if the network node intends to communicate more frequently with the UE. If the UE does not identify decoded DCI during the DRX-On cycle, the UE may use L1-RSRP reporting based at least in part on network node-based beam prediction until a subsequent DRX-On cycle.
[0109] Based at least in part on supporting changing the amount of information to be included in the CSI report, the network can efficiently use network node-based beam prediction and UE-based beam prediction. In this way, the UE and the network node can save network resources that may have been used to avoid beam prediction, save power resources that may have been used unnecessarily by statically configuring UE-side beam prediction, and / or save network resources that may have been used unnecessarily by using network node-based beam prediction that has reduced accuracy due to insufficient information from the UE.
[0110] Figure 6 6 is a diagram of an example 600 associated with providing channel state information reporting information according to the present disclosure. Figure 6 As shown, a network node (e.g., network node 110, CU, DU, and / or RU) may communicate with a UE (e.g., UE 120). In some aspects, the network node and the UE may be part of a wireless network (e.g., wireless network 100). The UE and the network node may be in a Figure 6 The operations shown are performed after a wireless connection has been established.
[0111] As indicated by reference numeral 605, the network node may send configuration information, and the UE may receive the configuration information. In some aspects, the UE may receive the configuration information via one or more of RRC signaling, one or more medium access control (MAC) control elements (CEs), and / or DCI, etc. In some aspects, the configuration information may include an indication of one or more configuration parameters for the UE to select (e.g., known to the UE and / or previously indicated by the network node or other network device) and / or explicit configuration information for the UE to configure the UE, etc.
[0112] In some aspects, the configuration information may indicate that the UE will send an indication of support for UE-based beam prediction, network node-based beam prediction, switching between UE-based beam prediction and network node-based beam prediction, and / or receive an implicit indication of the amount of data to be provided in the CSI report.
[0113] The UE may configure itself based at least in part on the configuration information.In some aspects, the UE may be configured to perform one or more operations described herein based at least in part on the configuration information.
[0114] As indicated by reference numeral 610, the UE may send an indication of support for receiving an implicit indication of an amount of information to be provided in a CSI report, and the network node may receive the indication. In some aspects, the UE may indicate a mapping of the implicit indication to an indication of one or more communication parameters (e.g., communication parameters other than the CSI reporting configuration). In some aspects, the UE may indicate a request for a mapping of the implicit indication to an indication of one or more communication parameters.
[0115] As indicated by reference numeral 615, the UE may receive an indication of a mapping of an implicit indication to an indication of one or more communication parameters, and the network node may send the indication. For example, the network node may indicate a mapping of different amounts of information to be provided in the CSI report to: one or more indications of uplink control channel resources, a repetition factor of an uplink control channel, a single TRP operating mode or a multiple TRP operating mode, an indication of a DRX mode or a non-DRX mode, and / or an indication of a configuration of a DRX mode, etc. Additionally or alternatively, the network node may indicate a mapping of changes in different amounts of information to be provided in the CSI report to changes in: one or more indications of uplink control channel resources, a repetition factor of an uplink control channel, a single TRP operating mode or a multiple TRP operating mode, an indication of a DRX mode or a non-DRX mode, and / or an indication of a configuration of a DRX mode, etc.
[0116] As indicated by reference numeral 620, the UE may receive an indication of a CSI reporting configuration and / or an explicit indication of an amount of information to be provided in the CSI report, and the network node may send the indication and / or the explicit indication. In some aspects, the explicit indication of the amount of information may be a coarse indication from which the implicit indication may refine the amount of information to be provided in the CSI report. For example, the explicit indication may indicate an amount of information associated with network node-based beam prediction to be provided or an amount of information associated with UE-based beam prediction to be provided. In some aspects, the explicit indication may be included in the CSI reporting configuration.
[0117] In some aspects, the network node may send an explicit indication and / or an indication of the configuration of CSI reporting via a MAC CE activating CSI reporting, a CSI triggering state configuration triggering CSI reporting, or a CSI resource configuration configuring CSI reporting.
[0118] As indicated by reference numeral 625, the UE may receive, and the network node may send, an implicit indication of an amount of information to be provided in the CSI report. In some aspects, the UE may receive an implicit indication of an amount of information in a first message that is different than a second message that schedules the sending of the CSI report (e.g., the indication described in conjunction with reference numeral 620).
[0119] In some aspects, the implicit indication may include an indication of different communication parameters (e.g., without explicitly indicating the configuration of the CSI report). For example, the implicit indication may include an indication of uplink control channel resources, an indication of a repetition factor of an uplink control channel, an indication of a single TRP operation mode or a multi-TRP operation mode, an indication of a DRX mode or a non-DRX mode, and / or an indication of the configuration of the DRX mode, etc. Additionally or alternatively, the implicit indication may indicate a change in the amount of information to be provided in the CSI report based at least in part on one or more indications of a change in uplink control channel resources, a repetition factor of an uplink control channel, a single TRP operation mode or a multi-TRP operation mode, an indication of a DRX mode or a non-DRX mode, and / or an indication of the configuration of the DRX mode, etc. For example, the implicit indication may indicate a change from a first candidate amount of information to a second candidate amount of information.
[0120] In some aspects, the implicit indication of the amount of information is selected from a set of candidate amounts of information. In this way, the implicit indication may be mapped to a candidate amount of information in the set of candidate amounts of information. For example, the set of candidate amounts of information includes a first candidate amount of information and a second candidate amount of information. The first candidate amount of information may be associated with a UE-based beam prediction, and the second candidate amount of information may be associated with a network node-based beam prediction. The first candidate amount of information may be associated with a first number of channel measurement resources (CMRs), and the second candidate amount of information may be associated with a second number of CMRs. In some aspects, the first candidate amount of information may be associated with a first amount of reporting overhead, and the second candidate amount of information may be associated with a second amount of reporting overhead. In some aspects, the second candidate amount of information may be associated with reporting predicted signal strengths of one or more CMRs.
[0121] In some aspects, the implicit indication may indicate multiple pairs of signal strength and CMR identifiers to be included in the CSI report, multiple pairs of signal strength and identifiers associated with CMR and receive beams to be included in the CSI report, multiple pairs of SINR and CMR identifiers to be included in the CSI report, and / or multiple pairs of SINR and identifiers associated with CMR and receive beams to be included in the CSI report. In some aspects, the implicit indication may indicate a signal strength quantization scheme to be used in the CSI report, a SINR quantization scheme to be used in the CSI report, and / or a compression scheme to be used in the CSI report, etc.
[0122] As indicated by reference numeral 630, the UE may receive reference signals and the network node may send these reference signals. The UE may measure the reference signals to determine L1 information for beams associated with the reference signals. For example, the UE may obtain RSRP measurements and / or SINR measurements for the beams based at least in part on the reference signals.
[0123] As indicated by reference numeral 635, the UE may perform UE-based beam prediction. In some aspects, the UE may perform the UE-based beam prediction based at least in part on an explicit indication or an implicit indication indicating that the UE is to perform UE-based beam prediction. Alternatively, the UE may not perform the UE-based beam prediction based at least in part on an explicit indication or an implicit indication indicating that the UE will not perform UE-based beam prediction. The explicit indication or implicit indication may indicate whether the UE is to perform UE-based beam prediction based at least in part on an indication of the amount of data to be provided in the CSI report. For example, providing an indication of an amount of data that meets a first threshold (e.g., equal to or below the threshold) may be associated with performing UE-based beam selection. Alternatively, providing an indication of an amount of data that meets a second threshold (e.g., equal to or above the threshold) may be associated with not performing UE-based beam selection.
[0124] As indicated by reference numeral 640, the UE may generate a CSI report based at least in part on the implicit indication. Additionally or alternatively, the UE may generate a CSI report based at least in part on the explicit indication. For example, the amount of information and / or one or more types of information provided in the CSI report may be based at least in part on the implicit indication and / or the explicit indication.
[0125] As indicated by reference numeral 645, the UE may send a CSI report having an amount of information as indicated by the implicit indication, and the network node may receive the CSI report. For example, the UE may send the CSI report based at least in part on the generation of the CSI report as described in conjunction with reference numeral 640.
[0126] As indicated by reference numeral 650, the network node may perform network node based beam prediction based at least in part on the CSI report. In some aspects, the network node may perform network node based beam prediction based at least in part on the amount of information included in the CSI report and / or whether the UE performed UE based beam prediction as described in conjunction with reference numeral 635.
[0127] Based at least in part on supporting changing the amount of information to be included in the CSI report, the network can efficiently use network node-based beam prediction and UE-based beam prediction. In this way, the UE and the network node can save network resources that may have been used to avoid beam prediction, save power resources that may have been used unnecessarily by statically configuring UE-side beam prediction, and / or save network resources that may have been used unnecessarily by using network node-based beam prediction that has reduced accuracy due to insufficient information from the UE.
[0128] As indicated above, Figure 6 are provided as examples. Other examples can be found in the Figure 6 Different than described.
[0129] Figure 7 is a diagram illustrating an example process 700 performed, for example, by a UE in accordance with the present disclosure. Example process 700 is an example of a UE (eg, UE 120) performing operations associated with techniques for providing channel state information reporting information.
[0130] like Figure 7 As shown in , in some aspects, process 700 may include: receiving an indication of an amount of information to be provided in a CSI report, the indication including an implicit indication of an amount of information in a first message that is different from a second message that schedules the transmission of the CSI report (block 710). Fig. 9The communication manager 140 and / or receiving component 902 depicted in the figure may receive an indication of an amount of information to be provided in a CSI report, the indication comprising an implicit indication of an amount of information in a first message that is different from a second message that schedules the sending of the CSI report, as described above.
[0131] like Figure 7 As further shown in FIG. 7 , in some aspects, process 700 may include sending a CSI report having an amount of information as indicated by the implicit indication (block 720). For example, a UE (e.g., using Fig. 9 The communication manager 140 and / or sending component 904 depicted in FIG. 1 may send a CSI report having an amount of information as indicated by the implicit indication, as described above.
[0132] Process 700 may include additional aspects, such as any single aspect or any combination of aspects described below and / or in conjunction with one or more other processes described elsewhere herein.
[0133] In a first aspect, the implicit indication of the amount of information is selected from a set of candidate amounts of information, and the set of candidate amounts of information includes a first candidate amount of information and a second candidate amount of information.
[0134] In a second aspect, alone or in combination with the first aspect, the first candidate information amount is associated with UE-based beam prediction and the second candidate information amount is associated with network node-based beam prediction, wherein the first candidate information amount is associated with a first number of CMRs and the second candidate information amount is associated with a second number of CMRs, wherein the first candidate information amount is associated with a first amount of reporting overhead and the second candidate information amount is associated with a second amount of reporting overhead, or wherein the second candidate information amount is associated with reporting predicted signal strengths of one or more CMRs.
[0135] In a third aspect, either alone or in combination with one or more of the first and second aspects, process 700 includes receiving an explicit indication associated with the amount of information, wherein the explicit indication is in a different communication than the implicit indication, and wherein the amount of information is based at least in part on the explicit indication and the implicit indication.
[0136] In a fourth aspect, alone or in combination with one or more of the first to third aspects, the receiving of the explicit indication includes: receiving the explicit indication via a medium access control (MAC) control element (CE) that activates the CSI report, receiving the explicit indication via a CSI trigger state configuration that triggers the CSI report, or receiving the explicit indication via a CSI resource configuration that configures the CSI report.
[0137] In a fifth aspect, alone or in combination with one or more of the first to fourth aspects, the implicit indication of the amount of information indicates one or more of the following: multiple pairs of signal strength and channel measurement resource (CMR) identifiers to be included in the CSI report, multiple pairs of signal strength and identifiers associated with the CMR and receive beams to be included in the CSI report, multiple pairs of signal to interference plus noise ratio (SINR) and the CMR identifier to be included in the CSI report, multiple pairs of SINR and identifiers associated with the CMR and receive beams to be included in the CSI report, a signal strength quantization scheme to be used in the CSI report, an SINR quantization scheme to be used in the CSI report, or a compression scheme to be used in the CSI report.
[0138] In the sixth aspect, alone or in combination with one or more of the first to fifth aspects, the implicit indication includes one or more of the following: an indication of uplink control channel resources, an indication of a repetition factor of an uplink control channel, an indication of a single transmit and receive point (single TRP) operation mode or a multiple TRP operation mode, an indication of a discontinuous reception (DRX) mode or a non-DRX mode, or an indication of the configuration of the DRX mode.
[0139] In the seventh aspect, alone or in combination with one or more of the first to sixth aspects, the implicit indication includes one or more of the following: an indication of a change in uplink control channel resources, an indication of a change in the repetition factor of the uplink control channel, an indication of a change between a single TRP operating mode and a multiple TRP operating mode, an indication of a change between a DRX mode and a non-DRX mode, or an indication of a change in the configuration of a DRX mode.
[0140] In an eighth aspect, alone or in combination with one or more of the first to seventh aspects, the implicit indication indicates a change in the amount of information from a first candidate amount of information to a second candidate amount of information.
[0141] In a ninth aspect, alone or in combination with one or more of the first to eighth aspects, process 700 includes sending an indication of support for receiving an implicit indication of an amount of information to be provided in a CSI report.
[0142] In a tenth aspect, alone or in combination with one or more of the first to ninth aspects, process 700 includes receiving an indication of a mapping of an implicit indication to an indication of one or more communication parameters.
[0143] although Figure 7 An example block diagram of process 700 is shown, but in some aspects, process 700 may include Figure 7Additional blocks, fewer blocks, different blocks, or blocks arranged in a different manner than those depicted in the process 700. Additionally or alternatively, two or more blocks of the blocks of process 700 may be performed in parallel.
[0144] Figure 8 is a diagram illustrating an example process 800 performed, for example, by a network node in accordance with the present disclosure. Example process 800 is an example of a network node (eg, network node 110) performing operations associated with techniques for providing channel state information reporting information.
[0145] like Figure 8 As shown in , in some aspects, process 800 may include sending an indication of an amount of information to be provided in a CSI report, the indication including an implicit indication of an amount of information in a first message that is different from a second message that schedules the transmission of the CSI report (block 810). Fig.10 The communication manager 150 and / or sending component 1004 depicted in the figure may send an indication of an amount of information to be provided in the CSI report, the indication including an implicit indication of the amount of information, the indication including an implicit indication of the amount of information in a first message that is different from a second message that schedules the transmission of the CSI report, as described above.
[0146] like Figure 8 As further shown in FIG. 8 , in some aspects, process 800 may include receiving a CSI report from a UE having an amount of information as indicated by the implicit indication (block 820). For example, a network node (e.g., using Fig.10 The communication manager 150 and / or receiving component 1002 depicted in FIG. 1 may receive a CSI report from a UE having an amount of information as indicated by the implicit indication, as described above.
[0147] Process 800 may include additional aspects, such as any single aspect or any combination of aspects described below and / or in conjunction with one or more other processes described elsewhere herein.
[0148] In a first aspect, the implicit indication of the amount of information is selected from a set of candidate amounts of information, and the set of candidate amounts of information includes a first candidate amount of information and a second candidate amount of information.
[0149] In a second aspect, alone or in combination with the first aspect, the first candidate information amount is associated with UE-based beam prediction and the second candidate information amount is associated with network node-based beam prediction, wherein the first candidate information amount is associated with a first number of CMRs and the second candidate information amount is associated with a second number of CMRs, wherein the first candidate information amount is associated with a first amount of reporting overhead and the second candidate information amount is associated with a second amount of reporting overhead, or wherein the second candidate information amount is associated with reporting predicted signal strengths of one or more CMRs.
[0150] In a third aspect, either alone or in combination with one or more of the first and second aspects, process 800 includes sending an explicit indication associated with the amount of information, wherein the explicit indication is in a different communication than the implicit indication, and wherein the amount of information is based at least in part on the explicit indication and the implicit indication.
[0151] In a fourth aspect, either alone or in combination with one or more of the first to third aspects, the sending of the explicit indication includes: sending the explicit indication via a MAC CE that activates the CSI report, sending the explicit indication via a CSI trigger state configuration that triggers the CSI report, or sending the explicit indication via a CSI resource configuration that configures the CSI report.
[0152] In a fifth aspect, alone or in combination with one or more of the first to fourth aspects, the implicit indication of the amount of information indicates one or more of the following: multiple pairs of signal strength and CMR identifiers to be included in the CSI report, multiple pairs of signal strength and identifiers associated with CMR and receive beams to be included in the CSI report, multiple pairs of SINR and the CMR identifiers to be included in the CSI report, multiple pairs of SINR and identifiers associated with the CMR and receive beams to be included in the CSI report, a signal strength quantization scheme to be used in the CSI report, a SINR quantization scheme to be used in the CSI report, or a compression scheme to be used in the CSI report.
[0153] In the sixth aspect, alone or in combination with one or more of the first to fifth aspects, the implicit indication includes one or more of the following: an indication of uplink control channel resources, an indication of a repetition factor of an uplink control channel, an indication of a single TRP operation mode or a multi-TRP operation mode, an indication of a DRX mode or a non-DRX mode, or an indication of the configuration of the DRX mode.
[0154] In the seventh aspect, alone or in combination with one or more of the first to sixth aspects, the implicit indication includes one or more of the following: an indication of a change in uplink control channel resources, an indication of a change in the repetition factor of the uplink control channel, an indication of a change between a single TRP operating mode and a multiple TRP operating mode, an indication of a change between a DRX mode and a non-DRX mode, or an indication of a change in the configuration of a DRX mode.
[0155] In an eighth aspect, alone or in combination with one or more of the first to seventh aspects, the implicit indication indicates a change in the amount of information from a first candidate amount of information to a second candidate amount of information.
[0156] In a ninth aspect, alone or in combination with one or more of the first to eighth aspects, process 800 includes receiving an indication of support for receiving an implicit indication of an amount of information to be provided in a CSI report.
[0157] In a tenth aspect, alone or in combination with one or more of the first to ninth aspects, process 800 includes sending an indication of a mapping of an implicit indication to an indication of one or more communication parameters.
[0158] although Figure 8 An example block diagram of process 800 is shown, but in some aspects, process 800 may include Figure 8 Additional blocks, fewer blocks, different blocks, or blocks arranged in a different manner than those depicted in the process 800. Additionally or alternatively, two or more blocks of the blocks of process 800 may be performed in parallel.
[0159] Fig. 9 is a diagram of an example apparatus 900 for wireless communication according to the present disclosure. Apparatus 900 may be a UE, or a UE may include apparatus 900. In some aspects, apparatus 900 includes a receiving component 902 and a transmitting component 904 that may communicate with each other (e.g., via one or more buses and / or one or more other components). As shown, apparatus 900 may communicate with another apparatus 906 (such as a UE, a base station, or another wireless communication device) using receiving component 902 and transmitting component 904. As further shown, apparatus 900 may include a communication manager 908 (e.g., communication manager 140).
[0160] In some aspects, the apparatus 900 may be configured to perform Figure 6 Additionally or alternatively, the apparatus 900 may be configured to perform one or more processes described herein, such as Figure 7 The process 700. In some aspects, Fig. 9 The apparatus 900 and / or one or more components shown in FIG. 1 may include a combination of Figure 2 Additionally or alternatively, Fig. 9 One or more of the components shown in the figure may be combined with Figure 2 Additionally or alternatively, one or more components in the set of components may be implemented at least in part as software stored in a memory. For example, a component (or a portion of a component) may be implemented as instructions or codes that are stored in a non-transitory computer-readable medium and can be executed by a controller or processor to perform the function or operation of the component.
[0161] The receiving component 902 may receive communications from the device 906, such as reference signals, control information, data communications, or combinations thereof. The receiving component 902 may provide the received communications to one or more other components of the device 900. In some aspects, the receiving component 902 may perform signal processing (such as filtering, amplification, demodulation, analog-to-digital conversion, demultiplexing, deinterleaving, demapping, equalization, interference cancellation, or decoding, etc.) on the received communications and may provide the processed signals to one or more other components of the device 900. In some aspects, the receiving component 902 may include combining Figure 2 One or more antennas, modems, demodulators, MIMO detectors, receive processors, controllers / processors, memories, or combinations thereof of the described UE.
[0162] The transmitting component 904 may transmit communications, such as reference signals, control information, data communications, or combinations thereof, to the device 906. In some aspects, one or more other components of the device 900 may generate communications and may provide the generated communications to the transmitting component 904 for transmission to the device 906. In some aspects, the transmitting component 904 may perform signal processing (such as filtering, amplification, modulation, digital-to-analog conversion, multiplexing, interleaving, mapping, or encoding, etc.) on the generated communications and may transmit the processed signals to the device 906. In some aspects, the transmitting component 904 may include combining Figure 2 One or more antennas, modems, modulators, transmit MIMO processors, transmit processors, controllers / processors, memories, or combinations thereof of the described UE. In some aspects, the transmit component 904 can be co-located with the receive component 902 in a transceiver.
[0163] Receiving component 902 can receive an indication of an amount of information to be provided in a CSI report, the indication comprising an implicit indication of an amount of information in a first message that is different from a second message that schedules the transmission of the CSI report. Transmitting component 904 can transmit the CSI report having the amount of information as indicated by the implicit indication.
[0164] Receiving component 902 can receive an explicit indication associated with the amount of information, wherein the explicit indication is in a different communication than the implicit indication, and wherein the amount of information is based at least in part on the explicit indication and the implicit indication.
[0165] Transmitting component 904 can transmit an indication of support for receiving an implicit indication of an amount of information to be provided in a CSI report.
[0166] Receiving component 902 can receive an indication of a mapping of an implicit indication to an indication of one or more communication parameters.
[0167] Fig. 9 The number and arrangement of components shown in the diagram are provided as examples. In practice, there may be Fig. 9 Additional components, fewer components, different components, or components arranged in a different manner than those shown in FIG. Fig. 9 Two or more components shown in may be implemented in a single component, or Fig. 9 The single component shown in may be implemented as multiple distributed components. Additionally or alternatively, Fig. 9 The assembly of (one or more) components shown in the executable is described as being composed of Fig. 9 Another collection of components shown in the figure performs one or more functions.
[0168] Fig.10 1 is a diagram of an example apparatus 1000 for wireless communication according to the present disclosure. Apparatus 1000 may be a network node, or a network node may include apparatus 1000. In some aspects, apparatus 1000 includes a receiving component 1002 and a transmitting component 1004 that may communicate with each other (e.g., via one or more buses and / or one or more other components). As shown, apparatus 1000 may communicate with another apparatus 1006 (such as a UE, a base station, or another wireless communication device) using receiving component 1002 and transmitting component 1004. As further shown, apparatus 1000 may include a communication manager 1008 (e.g., communication manager 150).
[0169] In some aspects, the apparatus 1000 may be configured to perform Figure 6 Additionally or alternatively, the apparatus 1000 may be configured to perform one or more processes described herein, such as Figure 8 The process 800. In some aspects, Fig.10 The device 1000 and / or one or more components shown may include a combination of Figure 2 Additionally or alternatively, Fig.10 One or more of the components shown in the figure may be combined with Figure 2Additionally or alternatively, one or more components in the set of components may be implemented at least in part as software stored in a memory. For example, a component (or a portion of a component) may be implemented as instructions or codes that are stored in a non-transitory computer-readable medium and can be executed by a controller or processor to perform the function or operation of the component.
[0170] The receiving component 1002 may receive communications, such as reference signals, control information, data communications, or combinations thereof, from the device 1006. The receiving component 1002 may provide the received communications to one or more other components of the device 1000. In some aspects, the receiving component 1002 may perform signal processing (such as filtering, amplification, demodulation, analog-to-digital conversion, demultiplexing, deinterleaving, demapping, equalization, interference cancellation, or decoding, etc.) on the received communications and may provide the processed signals to one or more other components of the device 1000. In some aspects, the receiving component 1002 may include combining Figure 2 One or more antennas, modems, demodulators, MIMO detectors, receive processors, controllers / processors, memories, or combinations thereof, of the described network nodes.
[0171] The transmitting component 1004 may transmit communications, such as reference signals, control information, data communications, or combinations thereof, to the device 1006. In some aspects, one or more other components of the device 1000 may generate communications and may provide the generated communications to the transmitting component 1004 for transmission to the device 1006. In some aspects, the transmitting component 1004 may perform signal processing (such as filtering, amplification, modulation, digital-to-analog conversion, multiplexing, interleaving, mapping, or encoding, etc.) on the generated communications and may transmit the processed signals to the device 1006. In some aspects, the transmitting component 1004 may include combining Figure 2 One or more antennas, modems, modulators, transmit MIMO processors, transmit processors, controllers / processors, memories, or combinations thereof of the described network nodes. In some aspects, the transmit component 1004 can be co-located with the receive component 1002 in a transceiver.
[0172] The transmitting component 1004 can transmit an indication of an amount of information to be provided in a CSI report, the indication comprising an implicit indication of an amount of information in a first message that is different from a second message that schedules transmission of the CSI report. The receiving component 1002 can receive the CSI report from the UE with the amount of information as indicated by the implicit indication.
[0173] The sending component 1004 can send an explicit indication associated with the amount of information, wherein the explicit indication is in a different communication than the implicit indication, and wherein the amount of information is based at least in part on the explicit indication and the implicit indication.
[0174] Receiving component 1002 can receive an indication of support for receiving an implicit indication of an amount of information to be provided in a CSI report.
[0175] Transmitting component 1004 can transmit an indication of a mapping of an implicit indication to an indication of one or more communication parameters.
[0176] Fig.10 The number and arrangement of components shown in the diagram are provided as examples. In practice, there may be Fig.10 Additional components, fewer components, different components, or components arranged in a different manner than those shown in FIG. Fig.10 Two or more components shown in may be implemented in a single component, or Fig.10 The single component shown in may be implemented as multiple distributed components. Additionally or alternatively, Fig.10 The assembly of (one or more) components shown in the executable is described as being composed of Fig.10 Another collection of components shown in the figure performs one or more functions.
[0177] The following provides an overview of some aspects of the disclosure:
[0178] Aspect 1: A method of wireless communication performed by a user equipment (UE), the method comprising: receiving an indication of an amount of information to be provided in a channel state information (CSI) report, the indication comprising an implicit indication of an amount of information in a first message, the first message being different from a second message scheduling the sending of the CSI report; and sending the CSI report having the amount of information as indicated by the implicit indication.
[0179] Aspect 2: The method according to aspect 1, wherein the implicit indication of the amount of information is selected from a set of candidate amounts of information, and wherein the set of candidate amounts of information includes a first candidate amount of information and a second candidate amount of information.
[0180] Aspect 3: A method according to Aspect 2, wherein the first candidate information amount is associated with UE-based beam prediction and the second candidate information amount is associated with network node-based beam prediction, wherein the first candidate information amount is associated with a first number of channel measurement resources (CMRs) and the second candidate information amount is associated with a second number of CMRs, wherein the first candidate information amount is associated with a first reporting overhead amount and the second candidate information amount is associated with a second reporting overhead amount, or wherein the second candidate information amount is associated with reporting the predicted signal strength of one or more CMRs.
[0181] Aspect 4: According to any one of Aspects 1 to 3, the method also includes: receiving an explicit indication associated with the amount of information, wherein the explicit indication is in a communication different from the implicit indication, and wherein the amount of information is at least partially based on the explicit indication and the implicit indication.
[0182] Aspect 5: A method according to Aspect 4, wherein the reception of the explicit indication includes: receiving the explicit indication via a medium access control (MAC) control element (CE) that activates the CSI report, receiving the explicit indication via a CSI trigger state configuration that triggers the CSI report, or receiving the explicit indication via a CSI resource configuration that configures the CSI report.
[0183] Aspect 6: A method according to any one of Aspects 1 to 5, wherein the implicit indication of the amount of information indicates one or more of the following: multiple pairs of signal strength and channel measurement resource (CMR) identifiers to be included in the CSI report, multiple pairs of signal strength and identifiers associated with the CMR and receive beams to be included in the CSI report, multiple pairs of signal to interference plus noise ratio (SINR) and the CMR identifier to be included in the CSI report, multiple pairs of SINR and identifiers associated with the CMR and receive beams to be included in the CSI report, a signal strength quantization scheme to be used in the CSI report, an SINR quantization scheme to be used in the CSI report, or a compression scheme to be used in the CSI report.
[0184] Aspect 7: A method according to any one of Aspects 1 to 6, wherein the implicit indication includes one or more of the following: an indication of uplink control channel resources, an indication of a repetition factor of an uplink control channel, an indication of a single transmit and receive point (single TRP) operation mode or a multiple TRP operation mode, an indication of a discontinuous reception (DRX) mode or a non-DRX mode, or an indication of the configuration of the DRX mode.
[0185] Aspect 8: A method according to any one of Aspects 1 to 7, wherein the implicit indication includes one or more of the following: an indication of a change in uplink control channel resources, an indication of a change in a repetition factor of an uplink control channel, an indication of a change between a single transmit and receive point (single TRP) operating mode and a multiple TRP operating mode, an indication of a change between a discontinuous reception (DRX) mode and a non-DRX mode, or an indication of a change in the configuration of the DRX mode.
[0186] Aspect 9: The method according to aspect 8, wherein the implicit indication indicates a change in the amount of information from a first candidate amount of information to a second candidate amount of information.
[0187] Aspect 10: The method according to any one of aspects 1 to 9, further comprising: sending an indication of support for receiving an implicit indication of an amount of information to be provided in a CSI report.
[0188] Aspect 11: The method according to any one of aspects 1 to 10, the method further comprising: receiving an indication of a mapping of the implicit indication to an indication of one or more communication parameters.
[0189] Aspect 12: A method of wireless communication performed by a network node, the method comprising: sending an indication of an amount of information to be provided in a channel state information (CSI) report, the indication comprising an implicit indication of the amount of information in a first message, the first message being different from a second message scheduling the sending of the CSI report; and receiving from a user equipment (UE) the CSI report having the amount of information as indicated by the implicit indication.
[0190] Aspect 13: The method according to aspect 12, wherein the implicit indication of the amount of information is selected from a set of candidate amounts of information, and wherein the set of candidate amounts of information includes a first candidate amount of information and a second candidate amount of information.
[0191] Aspect 14: A method according to Aspect 13, wherein the first candidate information amount is associated with UE-based beam prediction and the second candidate information amount is associated with network node-based beam prediction, wherein the first candidate information amount is associated with a first number of channel measurement resources (CMRs) and the second candidate information amount is associated with a second number of CMRs, wherein the first candidate information amount is associated with a first reporting overhead amount and the second candidate information amount is associated with a second reporting overhead amount, or wherein the second candidate information amount is associated with reporting the predicted signal strength of one or more CMRs.
[0192] Aspect 15: According to any one of Aspects 12 to 14, the method also includes: sending an explicit indication associated with the amount of information, wherein the explicit indication is in a communication different from the implicit indication, and wherein the amount of information is at least partially based on the explicit indication and the implicit indication.
[0193] Aspect 16: A method according to Aspect 15, wherein the sending of the explicit indication includes: sending the explicit indication via a medium access control (MAC) control element (CE) that activates the CSI report, sending the explicit indication via a CSI trigger state configuration that triggers the CSI report, or sending the explicit indication via a CSI resource configuration that configures the CSI report.
[0194] Aspect 17: A method according to any one of Aspects 12 to 16, wherein the implicit indication of the amount of information indicates one or more of the following: multiple pairs of signal strength and channel measurement resource (CMR) identifiers to be included in the CSI report, multiple pairs of signal strength and identifiers associated with the CMR and receive beams to be included in the CSI report, multiple pairs of signal to interference plus noise ratio (SINR) and the CMR identifier to be included in the CSI report, multiple pairs of SINR and identifiers associated with the CMR and receive beams to be included in the CSI report, a signal strength quantization scheme to be used in the CSI report, a SINR quantization scheme to be used in the CSI report, or a compression scheme to be used in the CSI report.
[0195] Aspect 18: A method according to any one of Aspects 12 to 17, wherein the implicit indication includes one or more of the following: an indication of uplink control channel resources, an indication of a repetition factor of an uplink control channel, an indication of a single transmit and receive point (single TRP) operation mode or a multiple TRP operation mode, an indication of a discontinuous reception (DRX) mode or a non-DRX mode, or an indication of the configuration of the DRX mode.
[0196] Aspect 19: A method according to any one of Aspects 12 to 18, wherein the implicit indication includes one or more of the following: an indication of a change in uplink control channel resources, an indication of a change in the repetition factor of an uplink control channel, an indication of a change between a single transmit and receive point (single TRP) operating mode and a multiple TRP operating mode, an indication of a change between a discontinuous reception (DRX) mode and a non-DRX mode, or an indication of a change in the configuration of the DRX mode.
[0197] Aspect 20: The method according to Aspect 19, wherein the implicit indication indicates a change in the amount of information from a first candidate amount of information to a second candidate amount of information.
[0198] Aspect 21: The method according to any one of aspects 12 to 20, the method further comprising: receiving an indication of support for receiving an implicit indication of an amount of information to be provided in a CSI report.
[0199] Aspect 22: The method according to any one of aspects 12 to 21, further comprising: sending an indication of a mapping of the implicit indication to an indication of one or more communication parameters.
[0200] Aspect 23: An apparatus for performing wireless communications at a device, the apparatus comprising: a processor; a memory coupled to the processor; and instructions stored in the memory and executable by the processor to cause the apparatus to perform one or more of the methods described in Aspects 1 to 22.
[0201] Aspect 24: A device for wireless communication, the device comprising a memory and one or more processors coupled to the memory, the one or more processors configured to perform the method according to one or more of aspects 1 to 22.
[0202] Aspect 25: An apparatus for wireless communication, the apparatus comprising at least one means for performing the method according to one or more of aspects 1 to 22.
[0203] Aspect 26: A non-transitory computer-readable medium storing code for wireless communication, the code comprising instructions executable by a processor to perform the method according to one or more of aspects 1 to 22.
[0204] Aspect 27: A non-transitory computer-readable medium storing an instruction set for wireless communication, the instruction set comprising one or more instructions which, when executed by one or more processors of a device, cause the device to perform one or more of the methods described in aspects 1 to 22.
[0205] While the foregoing disclosure provides illustration and description, it is not intended to be exhaustive or to limit the aspects to the precise forms disclosed. Modifications and variations are possible in light of the above disclosure or may be acquired from practice of these aspects.
[0206] As used herein, the term "component" is intended to be broadly interpreted as hardware, firmware, or a combination of hardware and software. As used herein, a processor is implemented in hardware, firmware, or a combination of hardware and software. As used herein, the phrase "based on" is intended to be broadly interpreted as "based at least in part on". As used herein, depending on the context, "satisfying a threshold" may refer to a value greater than a threshold, greater than or equal to a threshold, less than a threshold, less than or equal to a threshold, equal to a threshold, not equal to a threshold, etc. As used herein, a phrase referring to "at least one of" a list of items refers to any combination of these items (including a single member). 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.
[0207] In addition, as used herein, the article "one" and "a kind of" are intended to include one or more items, and can be used interchangeably with "one or more". In addition, as used herein, the article "said" is intended to include one or more items connected to the article "said", and can be used interchangeably with "one or more". In addition, as used herein, the term "group" and "group" are intended to include one or more items (for example, related items, unrelated items, or a combination of related and unrelated items), and can be used interchangeably with "one or more". If only one item is intended to be referred to, the phrase "only one" or similar terms are used. Moreover, as used herein, the term "having" and similar terms are intended to be open terms that do not limit the elements (for example, element "including" A can also contain B) that they modify. In addition, as used herein, the term "or" is intended to be inclusive when used in a sequence, and can be used interchangeably with "and / or", unless otherwise explicitly stated (for example, in the case of being used in combination with "any one of" or "only one of").
[0208] The various illustrative logics, logic blocks, modules, circuits, and algorithmic processes described in conjunction with the various aspects disclosed herein may be implemented as electronic hardware, computer software, or a combination of both. The interchangeability of hardware and software has been generally described in terms of functionality and is illustrated in the various illustrative components, blocks, modules, circuits, and processes described herein. Whether such functionality is implemented in hardware or software depends on the specific application and the design constraints imposed on the overall system.
[0209] The hardware and data processing apparatus for implementing the various illustrative logic pieces, logic blocks, modules and circuits described in conjunction with the various aspects disclosed herein may be implemented or executed using a general purpose single-chip or multi-chip processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), a field programmable gate array (FPGA) or other programmable logic device, a discrete gate or transistor logic device, a discrete hardware component, or any combination thereof designed to perform the functions described herein. A general purpose processor may be a microprocessor, or any conventional processor, controller, microcontroller or state machine. The processor may also be implemented as a combination of computing devices, for example, a combination of a DSP and a microprocessor, a plurality of microprocessors, a combination of one or more microprocessors and a DSP core, or any other such configuration. In some aspects, specific processes and methods may be performed by circuits dedicated to a given function.
[0210] In one or more aspects, the functions described may be implemented in hardware, digital electronic circuitry, computer software, firmware (including the structures disclosed in this specification and their structural equivalents), or in any combination thereof. Aspects of the subject matter described in this specification may also be implemented as one or more computer programs (e.g., one or more modules of computer program instructions) encoded on computer storage media to be executed by a data processing apparatus or to control the operation of the data processing apparatus.
[0211] If implemented in software, the function may be stored on a computer-readable medium as one or more instructions or codes or sent via a computer-readable medium. The process of the method or algorithm disclosed herein may be implemented in a processor executable software module that may reside on a computer-readable medium. Computer-readable media include both computer storage media and communication media, and communication media include any medium that can realize the transfer of a computer program from one place to another. Storage media can be any available medium that a computer can access. By way of example and not limitation, such computer-readable media may include RAM, ROM, EEPROM, CD-ROM or other optical disk storage devices, disk storage devices or other magnetic storage devices, or any other medium that can be used to store the desired program code in the form of an instruction or data structure and can be accessed by a computer. In addition, any connection may be appropriately referred to as a computer-readable medium. Disks and optical disks as used herein include compact disks (CDs), laser disks, optical disks, digital versatile disks (DVDs), floppy disks and blue-ray disks, wherein disks generally reproduce data magnetically, and optical disks reproduce data optically with lasers. The combination of media described herein should also be included in the scope of computer-readable media. Additionally, the operations of a method or algorithm may reside as one or any combination or set of codes and instructions on a machine-readable medium and a computer-readable medium, which may be incorporated into a computer program product.
[0212] Various modifications to the various aspects described in this disclosure may be apparent to those skilled in the art, and the general principles defined herein may be applied to other aspects without departing from the spirit or scope of the disclosure. Therefore, the claims are not intended to be limited to the aspects shown herein, but should be granted the broadest scope consistent with the disclosure, the principles and novel features disclosed herein.
[0213] Additionally, one of ordinary skill in the art will readily appreciate that the terms "upper" and "lower" are sometimes used for ease of describing the drawings and indicate relative positions on a correctly oriented page corresponding to the orientation of the drawings, and may not reflect the correct orientation of any device as implemented.
[0214] Certain features described in this specification in the context of independent aspects may also be implemented in combination in a single aspect. Conversely, various features described in the context of a single aspect may also be implemented in multiple aspects individually or in any suitable subcombination. In addition, although features may be described as acting in certain combinations and even initially claimed as such, one or more features from a claimed combination may be removed from the combination in some cases, and a claimed combination may be directed to a subcombination, or a variation of a subcombination.
[0215] Similarly, although the operations are depicted in a specific order in the figure, this should not be understood as requiring such operations to be performed in the specific order shown or in a sequential order, or to perform all the illustrated operations to achieve the desired result. Further, the accompanying drawings may schematically depict one or more example processes in the form of a flow chart. However, other operations not depicted may be incorporated into the example processes schematically illustrated. For example, one or more additional operations may be performed before, after, at the same time, or between any operations in the illustrated operations. In some environments, multitasking and parallel processing are advantageous. In addition, the separation of various system components in the various aspects described should not be understood as requiring such separation in all aspects, and it should be understood that the described program components and systems can generally be integrated together in a single software product or packaged into multiple software products. Additionally, other aspects also fall within the scope of the appended claims. In some cases, the actions recorded in the claims can be performed in different orders and still achieve the desired result.
Claims
1. A method of wireless communication performed by a user equipment (UE), the method comprising: receiving an indication of an amount of information to be provided in a channel state information (CSI) report, the indication comprising an implicit indication of an amount of information in a first message, the first message being different from a second message scheduling transmission of the CSI report; and and sending the CSI report with the amount of information as indicated by the implicit indication.
2. The method of claim 1, wherein the implicit indication of the amount of information is selected from a set of candidate amounts of information, and The set of candidate information amounts includes a first candidate information amount and a second candidate information amount.
3. The method according to claim 2, wherein the first candidate information amount is associated with UE-based beam prediction, and the second candidate information amount is associated with network node-based beam prediction, wherein the first candidate information amount is associated with a first number of channel measurement resources (CMRs), and the second candidate information amount is associated with a second number of CMRs, wherein the first candidate information amount is associated with a first reporting overhead amount, and the second candidate information amount is associated with a second reporting overhead amount, or The second candidate information amount is associated with reporting predicted signal strengths of one or more CMRs.
4. The method according to claim 1, further comprising: receiving an explicit indication associated with the amount of information, wherein the explicit indication is in a different communication than the implicit indication, and Wherein the amount of information is based at least in part on the explicit indication and the implicit indication.
5. The method of claim 4, wherein the receiving of the explicit indication comprises: receiving the explicit indication via a medium access control (MAC) control element (CE) activating the CSI reporting, receiving the explicit indication via a CSI triggering status configuration triggering the CSI report, or The explicit indication is received via a CSI resource configuration configuring the CSI report.
6. The method of claim 1 , wherein the implicit indication of the amount of information indicates one or more of: to include in said CSI report a plurality of pairs of signal strength and channel measurement resource (CMR) identifiers, a plurality of pairs of signal strengths and identifiers associated with CMRs and receive beams to be included in said CSI report, to include in the CSI report a plurality of pairs of signal-to-interference-plus-noise ratios (SINRs) and the CMR identifiers, a plurality of pairs of SINRs and identifiers associated with the CMR and receive beams to be included in the CSI report, the signal strength quantization scheme to be used in the CSI report, the SINR quantization scheme to be used in the CSI report, or The compression scheme to be used in the CSI report.
7. The method of claim 1, wherein the implicit indication comprises one or more of: an indication of uplink control channel resources, Indication of the repetition factor for the uplink control channel, Indication of single transmit and receive point (single TRP) mode of operation or multiple TRP mode of operation, an indication of discontinuous reception (DRX) mode or non-DRX mode, or An indication of the configuration of the DRX mode.
8. The method of claim 1, wherein the implicit indication comprises one or more of: an indication of a change in uplink control channel resources, an indication of a change in the repetition factor of an uplink control channel, Indication of change between single transmit and receive point (single TRP) mode of operation and multiple TRP mode of operation, an indication of a change between a discontinuous reception (DRX) mode and a non-DRX mode, or An indication of a change in the configuration of the DRX mode.
9. The method of claim 8, wherein the implicit indication indicates a change in the amount of information from a first candidate amount of information to a second candidate amount of information.
10. The method according to claim 1, further comprising: An indication is sent for support of receiving an implicit indication of the amount of information to be provided in the CSI report.
11. The method according to claim 1, further comprising: An indication of a mapping of an implicit indication to an indication of one or more communication parameters is received.
12. A method of wireless communication performed by a network node, the method comprising: sending an indication of an amount of information to be provided in a channel state information (CSI) report, the indication comprising an implicit indication of the amount of information in a first message, the first message being different from a second message scheduling the sending of the CSI report; as well as The CSI report is received from a user equipment (UE) having the amount of information as indicated by the implicit indication.
13. The method of claim 12, wherein the implicit indication of the amount of information is selected from a set of candidate amounts of information, and The set of candidate information amounts includes a first candidate information amount and a second candidate information amount.
14. The method according to claim 13, wherein the first candidate information amount is associated with UE-based beam prediction, and the second candidate information amount is associated with network node-based beam prediction, wherein the first candidate information amount is associated with a first number of channel measurement resources (CMRs), and the second candidate information amount is associated with a second number of CMRs, wherein the first candidate information amount is associated with a first reporting overhead amount, and the second candidate information amount is associated with a second reporting overhead amount, or The second candidate information amount is associated with reporting predicted signal strengths of one or more CMRs.
15. The method according to claim 12, further comprising: sending an explicit indication associated with said amount of information, wherein the explicit indication is in a different communication than the implicit indication, and Wherein the amount of information is based at least in part on the explicit indication and the implicit indication.
16. The method of claim 15, wherein the sending of the explicit indication comprises: sending the explicit indication via a medium access control (MAC) control element (CE) activating the CSI reporting, sending the explicit indication via a CSI triggering status configuration that triggers the CSI report, or The explicit indication is sent via a CSI resource configuration configuring the CSI report.
17. The method of claim 12, wherein the implicit indication of the amount of information indicates one or more of: to include in said CSI report a plurality of pairs of signal strength and channel measurement resource (CMR) identifiers, a plurality of pairs of signal strengths and identifiers associated with CMRs and receive beams to be included in said CSI report, to include in the CSI report a plurality of pairs of signal-to-interference-plus-noise ratios (SINRs) and the CMR identifiers, a plurality of pairs of SINRs and identifiers associated with the CMR and receive beams to be included in the CSI report, the signal strength quantization scheme to be used in the CSI report, the SINR quantization scheme to be used in the CSI report, or The compression scheme to be used in the CSI report.
18. The method of claim 12, wherein the implicit indication comprises one or more of: an indication of uplink control channel resources, Indication of the repetition factor for the uplink control channel, Indication of single transmit and receive point (single TRP) mode of operation or multiple TRP mode of operation, an indication of discontinuous reception (DRX) mode or non-DRX mode, or An indication of the configuration of the DRX mode.
19. The method of claim 12, wherein the implicit indication comprises one or more of: an indication of a change in uplink control channel resources, an indication of a change in the repetition factor of an uplink control channel, Indication of change between single transmit and receive point (single TRP) mode of operation and multiple TRP mode of operation, an indication of a change between a discontinuous reception (DRX) mode and a non-DRX mode, or An indication of a change in the configuration of the DRX mode.
20. The method of claim 19, wherein the implicit indication indicates a change in the amount of information from a first candidate amount of information to a second candidate amount of information.
21. The method according to claim 12, further comprising: An indication of support for receiving an implicit indication of an amount of information to be provided in a CSI report is received.
22. The method according to claim 12, further comprising: An indication of a mapping of the implicit indication to an indication of one or more communication parameters is sent.
23. A user equipment (UE) for wireless communication, the user equipment (UE) comprising: Memory; and one or more processors coupled to the memory, the one or more processors configured to: receiving an indication of an amount of information to be provided in a channel state information (CSI) report, the indication comprising an implicit indication of an amount of information in a first message, the first message being different from a second message scheduling transmission of the CSI report; and and sending the CSI report with the amount of information as indicated by the implicit indication.
24. The UE of claim 23, wherein the implicit indication of the amount of information is selected from a set of candidate amounts of information, and The set of candidate information amounts includes a first candidate information amount and a second candidate information amount.
25. The UE of claim 24, wherein the first candidate information amount is associated with UE-based beam prediction, and the second candidate information amount is associated with network node-based beam prediction, wherein the first candidate information amount is associated with a first number of channel measurement resources (CMRs), and the second candidate information amount is associated with a second number of CMRs, wherein the first candidate information amount is associated with a first reporting overhead amount, and the second candidate information amount is associated with a second reporting overhead amount, or The second candidate information amount is associated with reporting predicted signal strengths of one or more CMRs.
26. The UE of claim 23, wherein the one or more processors are further configured to: receiving an explicit indication associated with the amount of information, wherein the explicit indication is in a different communication than the implicit indication, and Wherein the amount of information is based at least in part on the explicit indication and the implicit indication.
27. A network node for wireless communication, the network node comprising: Memory; and one or more processors coupled to the memory, the one or more processors configured to: sending an indication of an amount of information to be provided in a channel state information (CSI) report, the indication comprising an implicit indication of the amount of information in a first message, the first message being different from a second message scheduling the sending of the CSI report; as well as The CSI report is received from a user equipment (UE) having the amount of information as indicated by the implicit indication.
28. The network node of claim 27, wherein the implicit indication of the amount of information is selected from a set of candidate amounts of information, and The set of candidate information amounts includes a first candidate information amount and a second candidate information amount.
29. The network node of claim 28, wherein the first candidate information amount is associated with UE-based beam prediction, and the second candidate information amount is associated with network node-based beam prediction, wherein the first candidate information amount is associated with a first number of channel measurement resources (CMRs), and the second candidate information amount is associated with a second number of CMRs, wherein the first candidate information amount is associated with a first reporting overhead amount, and the second candidate information amount is associated with a second reporting overhead amount, or The second candidate information amount is associated with reporting predicted signal strengths of one or more CMRs.
30. The network node of claim 27, wherein the one or more processors are further configured to: sending an explicit indication associated with said amount of information, wherein the explicit indication is in a different communication than the implicit indication, and Wherein the amount of information is based at least in part on the explicit indication and the implicit indication.