Sidelink resource reservation for user equipment using sensorless mode

Abstract

Aspects of the present disclosure generally relate to wireless communications. In some aspects, a user equipment (UE) may receive information from another UE that is used to determine one or more resources for sidelink communications. The UE may transmit sidelink communications using at least one resource determined at least in part based on the information. Many other aspects are provided.

Description

[0001] CROSS-REFERENCE TO RELATED APPLICATIONS

[0002] This patent application claims priority to U.S. Provisional Patent Application No. 63 / 019,725, filed on May 4, 2020, entitled “SIDELINK RESOURCE RESERVATION FOR A USER EQUIPMENT USING A NO-SENSING MODE,” and U.S. Non-Provisional Patent Application No. 17 / 302,443, filed on May 3, 2021, entitled “SIDELINK RESOURCE RESERVATION FOR AUSER EQUIPMENT USING A NO-SENSING MODE,” which are hereby expressly incorporated herein by reference. Technical Field

[0003] Aspects of the present disclosure relate generally to wireless communications and techniques and apparatus for sidelink resource reservation for user equipment (UE) using a sensorless mode. Background Art

[0004] Wireless communication systems are widely deployed to provide a variety of telecommunication services, such as telephony, video, data, information transfer, and broadcasting. Typical wireless communication systems may employ multiple access technologies, which are capable of supporting communications with multiple users by sharing available system resources (e.g., bandwidth, transmission 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).

[0005] A wireless network may include several base stations (BSs) that may support communications for several user equipments (UEs). A UE may communicate with a BS via a downlink and an uplink. A "downlink" (or "forward link") refers to the communication link from a BS to a UE, while an "uplink" (or "reverse link") refers to the communication link from a UE to a BS. As will be described in detail herein, a BS may be referred to as a Node B, gNB, access point (AP), radio head, transmission reception point (TRP), new radio (NR) BS, 5G Node B, etc.

[0006] The above-mentioned access technologies have been adopted in various telecommunication standards to provide a common protocol that enables different user devices to communicate at the city, country, region and even global level. NR, also known as 5G, is a set of enhancements to the LTE mobile standard promulgated by 3GPP. NR aims to better support mobile broadband Internet access by improving spectrum efficiency, reducing costs, improving services, utilizing new spectrum, and using orthogonal frequency division multiplexing (OFDM) with cyclic prefix (CP) (CP-OFDM) on the downlink (DL), using CP-OFDM and / or SC-FDM (e.g., also known as discrete Fourier transform spread OFDM (DFT-s-OFDM)) on the uplink (UL), and supporting beamforming, multiple-input multiple-output (MIMO) antenna technology and carrier aggregation, and better integrating with other open standards. As the demand for mobile broadband access continues to increase, further improvements in LTE, NR and other radio access technologies remain useful. Summary of the invention

[0007] In some aspects, a wireless communication method performed by a user equipment (UE) may include: receiving information from another UE to be used to determine one or more resources for sidelink communication; and transmitting the sidelink communication using at least one resource determined at least in part based on the information.

[0008]

[0011] In some aspects, a method of wireless communication performed by a UE may include determining information to be used by another UE to determine one or more resources for sidelink communication; and transmitting the information to the other UE.

[0009] In some aspects, a UE for wireless communication may include a memory and one or more processors coupled to the memory. The one or more processors may be configured to receive information from another UE to be used to determine one or more resources for sidelink communication; and transmit the sidelink communication using at least one resource determined at least in part based on the information.

[0010] In some aspects, a UE for wireless communication may include a memory and one or more processors coupled to the memory. The one or more processors may be configured to determine information to be used by another UE to determine one or more resources for sidelink communication; and transmit the information to the other UE.

[0011] In some aspects, a non-transitory computer-readable medium may store one or more instructions for wireless communication. When the one or more instructions are executed by one or more processors of a UE, the one or more processors may be caused to receive information from another UE to be used to determine one or more resources for sidelink communication; and transmit sidelink communication using at least one resource determined at least in part based on the information.

[0012] In some aspects, a non-transitory computer-readable medium may store one or more instructions for wireless communication. When the one or more instructions are executed by one or more processors of a UE, the one or more processors may determine information to be used by another UE to determine one or more resources for sidelink communication; and transmit the information to the other UE.

[0013] In some aspects, an apparatus for wireless communication may include components for receiving information from another apparatus to be used to determine one or more resources for sidelink communication; and components for transmitting sidelink communication using at least one resource determined at least in part based on the information.

[0014]

[0011] In some aspects, an apparatus for wireless communication may include means for determining information to be used by another UE to determine one or more resources for sidelink communication; and means for transmitting the information to the UE.

[0015] Aspects generally include methods, apparatus, systems, computer program products, non-transitory computer-readable media, user equipment, base stations, wireless communication devices, and / or processing systems as substantially described herein with reference to the accompanying drawings and as illustrated in the drawings and the description.

[0016] The features and technical advantages of examples according to the present disclosure have been outlined quite broadly above so that the subsequent detailed description will be better understood. Additional features and advantages will be described below. The disclosed concepts and specific examples can be easily used as a basis for modifying or designing other structures to achieve the same purposes as the present disclosure. Such equivalent structures do not depart from the scope of the appended claims. The features of the concepts disclosed herein, including their organization and methods of operation, and related advantages, will be better understood from the following description when considered in conjunction with the accompanying drawings. Each figure is provided for the purpose of illustration and description and is not intended to be a definition of limitations of the claims.

[0017] Although the various aspects of the present disclosure are described by illustrating some examples, it will be understood by those skilled in the art that these aspects can be implemented in many different arrangements and scenarios. The techniques described herein can be implemented using different platform types, devices, systems, shapes, sizes, and / or packaging arrangements. For example, some aspects can be implemented by integrated chip embodiments or other devices based on non-module components (e.g., end-user devices, vehicles, communication devices, computing devices, industrial devices, retail / purchasing devices, medical devices, or artificial intelligence-enabled devices). Some aspects can be implemented in chip-level components, modular components, non-modular components, non-chip-level components, device-level components, or system-level components. Devices incorporating the described aspects and features may include additional components and features to implement and practice the required and described aspects. For example, the transmission and reception of wireless signals may include some components for analog and digital purposes (e.g., hardware components including antennas, radio frequency (RF) chains, power amplifiers, modulators, buffers, processors, interleavers, adders, or accumulators). The aspects described herein are intended to be implemented in a wide variety of devices, components, systems, distributed arrangements or end-user devices of varying sizes, shapes and configurations. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to be able to understand the above features of the present disclosure in detail, a more specific description briefly summarized above can be obtained by reference to some aspects, some of which are shown in the accompanying drawings. However, it should be noted that the accompanying drawings only show some typical aspects of the present disclosure and should not be considered as limiting the scope, and the description may include other equally effective aspects. The same reference numerals in different drawings may identify the same or similar elements.

[0019] Figure 1 is a diagram illustrating an example of a wireless network according to the present disclosure.

[0020] Figure 2 is a diagram illustrating an example of a base station communicating with a user equipment (UE) in a wireless network according to the present disclosure.

[0021] Figure 3 is a diagram illustrating an example of side link communication according to the present disclosure.

[0022] Figure 4 is a diagram showing examples of side link communications and access link communications according to the present disclosure.

[0023] Figure 5 is a diagram illustrating an example of selecting a resource using a sensing procedure according to the present disclosure.

[0024] Figure 6 and Figure 7 is a diagram illustrating an example of sidelink resource reservation for a UE using a sensorless mode according to the present disclosure.

[0025] Figure 8 and Fig. 9 is a diagram illustrating example processing performed, for example, by a UE according to the present disclosure. DETAILED DESCRIPTION

[0026] Various aspects of the present disclosure are more fully described below with reference to the accompanying drawings. However, the present disclosure can be presented in many different forms and should not be interpreted as a limitation on any specific structure or function presented in the entire present disclosure. On the contrary, these aspects are provided to make the present disclosure thorough and complete, and to fully convey the scope of the present disclosure to those skilled in the art. Based on the teachings of this article, those skilled in the art should understand that the scope of the present disclosure is intended to cover any aspect disclosed by the present disclosure, whether implemented independently of any other aspect of the present disclosure or implemented in combination with any other aspect of the present disclosure. For example, any number of aspects described herein can be used to implement devices or practice methods. In addition, the scope of the present disclosure is intended to cover devices and methods that are practiced using other structures, functions, or structures and functions other than the various aspects described in the present disclosure. It should be understood that any aspect of the disclosure disclosed herein can be implemented by one or more elements of the claims.

[0027] Several aspects of telecommunication systems will now be described 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 and / or the like (collectively referred to as "elements"). These elements may be implemented using hardware, software, or a combination of both. Whether these elements are implemented as hardware or software depends on the specific application and the design constraints imposed on the overall system.

[0028] It should be noted that while various aspects may be described herein using terminology generally associated with 5G or NR radio access technologies (RATs), aspects of the present disclosure may be applied to other RATs, such as 3G RATs, 4G RATs, and / or successor RATs to 5G (e.g., 6G).

[0029] Figure 1is a diagram showing an example of a wireless network 100 according to the present disclosure. The wireless network 100 may be or may include elements of a 5G (NR) network and / or an LTE network in other examples. The wireless network 100 may include multiple base stations 110 (BS 110a, BS 110b, BS 110c, and BS 110d as shown) and other network entities. A base station (BS) is an entity that communicates with a user equipment (UE) and may also be referred to as an NR BS, Node B, gNB, 5G Node B (NB), access point, transmission reception point (TRP), etc. Each BS can provide communication coverage for a specific geographic area. In 3GPP, the term "cell" may refer to the coverage area of ​​a BS and / or the coverage area of ​​a BS subsystem serving the coverage area, depending on the context in which the term is used.

[0030] A BS may provide communication coverage for macro cells, pico cells, femto cells, and / or other types of cells. A macro cell may cover a relatively large geographic area (e.g., a radius of several kilometers) and may allow unrestricted access to UEs with service subscriptions. A pico cell may cover a relatively small geographic area and may allow unrestricted access to UEs with service subscriptions. A femto cell may cover a relatively small geographic area (e.g., a home) and may allow restricted access to UEs associated with the femto cell (e.g., UEs in a closed subscriber group (CSG)). The BS of a macro cell may be referred to as a macro BS. The BS of a pico cell may be referred to as a pico BS. The BS of a femto cell may be referred to as a femto BS or a home BS. In Figure 1 In the illustrated example, BS 110a may be a macro BS of macro cell 102a, BS 110b may be a pico BS of pico cell 102b, and BS 110c may be a femto BS of femto cell 102c. A BS may support one or more (e.g., three) cells. The terms "eNB", "base station", "NRBS", "gNB", "TRP", "AP", "Node B", "5GNB", and "cell" are used interchangeably herein.

[0031] In some aspects, the cell may not necessarily be fixed, and the geographic area of ​​the cell may move depending on the location of the mobile BS. In some aspects, the BS may be interconnected with one or more other BSs or network nodes (not shown) in the wireless network 100 via various types of backhaul interfaces (e.g., direct physical connections or virtual networks) using any suitable transport network.

[0032] The wireless network 100 may also include a relay station. A relay station is an entity that can receive data transmissions from an upstream station (e.g., a BS or a UE) and send data transmissions to a downstream station (e.g., a UE or a BS). A relay station may also be a UE that relays transmissions for another UE. Figure 1 In the example shown, a relay BS 110d may communicate with a macro BS 110a and a UE 120d to facilitate communication between the BS 110a and the UE 120d. A relay BS may also be referred to as a relay station, a relay base station, a relay, or the like.

[0033] The wireless network 100 may be a heterogeneous network including different types of BSs, such as a macro BS, a pico BS, a femto BS, a relay BS, etc. These different types of BSs may have different transmission power levels, different coverage areas, and different effects on interference in the wireless network 100. For example, a macro BS may have a high transmission power level (e.g., 5 to 40 watts), while a pico BS, a femto BS, and a relay BS may have a lower transmission power level (e.g., 0.1 to 2 watts).

[0034] The network controller 130 may be coupled to a group of BSs and may provide coordination and control for the BSs. The network controller 130 may communicate with the BSs via a backhaul. The BSs may also communicate with each other directly or indirectly via a wireless or wired backhaul.

[0035] UE 120 (e.g., 120a, 120b, 120c) can be dispersed throughout the wireless network 100, and each UE can be fixed or mobile. UE can also be referred to as an access terminal, terminal, mobile station, subscriber unit, site, etc. UE can 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, a cordless phone, a wireless local loop (WLL) station, a tablet, a camera, a gaming device, a netbook, a smartbook, an ultrabook, a medical device or equipment, a biometric sensor / device, a wearable device (smart watch, smart clothing, smart glasses, smart wristband, smart jewelry (e.g., smart ring, smart bracelet), an entertainment device (e.g., a music or video device, or a satellite radio), a vehicle component or sensor, a smart meter / sensor, an industrial manufacturing device, a global positioning system device, or any other suitable device configured to communicate via a wireless or wired medium.

[0036] Some UEs may be considered as machine type communication (MTC) or evolved or enhanced machine type communication (eMTC) UEs. MTC and eMTC UEs include, for example, robots, drones, remote control devices, sensors, meters, monitors and / or location tags, which may communicate with a base station, another device (e.g., a remote device), or some other entity. For example, a wireless node may provide or connect to a network (e.g., a wide area network such as the Internet or a cellular network) via a wired or wireless communication link. Some UEs may be considered as Internet of Things (IoT) devices, and / or may be implemented as NB-IoT (narrowband Internet of Things) devices. Some UEs may be considered as user premises equipment (CPE). UE 120 may be included in a housing that houses components of UE 120, such as a processor component and / or a memory component. In some aspects, the processor component and the memory component may be coupled to each other. For example, a processor component (e.g., one or more processors) and a memory component (e.g., a memory) may be operationally coupled, communicatively coupled, electronically coupled, and / or electrically coupled.

[0037] Generally, any number of wireless networks can be deployed in a given geographic area. Each wireless network can support a specific RAT and can operate on one or more frequencies. RAT can also be referred to as radio technology, air interface, etc. Frequency can also be referred to as carrier, frequency channel, etc. Each frequency can support a single RAT in a specific geographic area to avoid interference between wireless networks of different RATs. In some cases, NR or 5G RAT networks can be deployed.

[0038] In some aspects, two or more UEs 120 (e.g., shown as UE 120a and UE 120e) can communicate directly using one or more sidelink channels (e.g., without using base station 110 as an intermediary to communicate with each other). For example, UE 120 can communicate using point-to-point (P2P) communication, device-to-device (D2D) communication, vehicle-to-everything (V2X) protocol (e.g., which can include vehicle-to-vehicle (V2V) protocol or vehicle-to-infrastructure (V2I) protocol) and / or mesh network. In this case, UE 120 can perform scheduling operations, resource selection operations, and / or other operations performed by base station 110 described elsewhere herein.

[0039] The devices of the wireless network 100 can communicate using an electromagnetic spectrum, which can be subdivided into various levels, frequency bands, channels, etc. based on frequency or wavelength. For example, the devices of the wireless network 100 can communicate using an operating frequency band having a first frequency range (FR1), which can be from 410 MHz to 7.125 GHz, and / or can communicate using an operating frequency band having a second frequency range (FR2), which can be from 24.25 GHz to 52.6 GHz. Frequencies between FR1 and FR2 are sometimes referred to as mid-band frequencies. Although a portion of FR1 is above 6 GHz, FR1 is often referred to as a "sub-6 GHz" band. Similarly, FR2 is often referred to as a "millimeter wave" band, although it is different from the extremely high frequency (EHF) band (30 GHz-300 GHz) identified as a "millimeter wave" band by the International Telecommunication Union (ITU). Therefore, unless otherwise specified, it should be understood that the term "sub-6 GHz" or similar terms, if used herein, can broadly refer to frequencies less than 6 GHz, frequencies within FR1, and / or mid-band frequencies (e.g., greater than 7.125 GHz). Similarly, unless otherwise specified, it should be understood that the term "millimeter wave" or similar terms, if used herein, can broadly refer to frequencies within the EHF band, frequencies within FR2, and / or mid-band frequencies (e.g., less than 24.25 GHz). It is contemplated that the frequencies included in FR1 and FR2 can be modified, and the techniques described herein are applicable to these modified frequency ranges.

[0040] As mentioned above, providing Figure 1 As an example. Other examples may be related to Figure 1 Different than described.

[0041] Figure 2 is a diagram illustrating an example 200 of base station 110 communicating with UE 120 in wireless network 100 according to the present disclosure. Base station 110 may be equipped with T antennas 234a through 234t and UE 120 may be equipped with R antennas 252a through 252r, where in general T≥1 and R≥1.

[0042] In the base station 110, the transmit processor 220 may receive data from a data source 212 for one or more UEs, select one or more modulation and coding schemes (MCS) for each UE based at least in part on a channel quality indicator (CQI) received from the UE, process (e.g., encode and modulate) data for each UE based at least in part on the MCS selected for the UE, and provide data symbols for all UEs. The transmit processor 220 may also process system information (e.g., semi-static resource partitioning information (SRPI)) and control information (e.g., CQI requests, grants, and / or upper layer signaling) and provide overhead symbols and control symbols. The transmit processor 220 may also 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)). If applicable, transmit (TX) multiple-input multiple-output (MIMO) processor 230 can perform spatial processing (e.g., precoding) on ​​data symbols, control symbols, overhead symbols, and / or reference symbols, and can provide T output symbol streams to T modulators (MOD) 232a to 232t. Each modulator 232 can process a corresponding output symbol stream (e.g., OFDM) to obtain an output sample stream. Each modulator 232 can further process (e.g., convert to analog, amplify, filter, and up-convert) the output sample stream to obtain a downlink signal. The T downlink signals from modulators 232a to 232t can be transmitted through T antennas 234a to 234t, respectively.

[0043] At UE 120, antennas 252a to 252r may receive downlink signals from base station 110 and / or other base stations, and may provide received signals to demodulators (DEMOD) 254a to 254r, respectively. Each demodulator 254 may condition (e.g., filter, amplify, down-convert, and digitize) the received signal to obtain input samples. Each demodulator 254 may also process the input samples (e.g., OFDM) to obtain received symbols. If applicable, a MIMO detector 256 may obtain received symbols from all R demodulators 254a to 254r, perform MIMO detection on the received symbols, and provide detected symbols. A receive processor 258 may process (e.g., demodulate and decode) the detected symbols, provide decoded data to a data sink 260 for UE 120, and 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 of the two. 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, and / or a CQI parameter, among other examples. In some aspects, one or more components of UE 120 may be included in a housing.

[0044] 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 base station 110 through the communication unit 294.

[0045] Antennas (e.g., antennas 234a to 234t and / or antennas 252a to 252r) may include, or may be included in, one or more antenna panels, antenna groups, antenna element groups, and / or other example antenna arrays. An antenna panel, antenna group, antenna element group, and / or antenna array may include one or more antenna elements. An antenna panel, antenna group, antenna element group, and / or an antenna array may include a group of coplanar antenna elements and / or a group of non-coplanar antenna elements. An antenna panel, antenna group, antenna element group, and / or an antenna array may include antenna elements within a single housing and / or antenna elements within multiple housings. An antenna panel, antenna group, antenna element group, and / or an antenna array may include one or more antenna elements coupled to one or more transmit and / or receive components, such as Figure 2 One or more components of a

[0046] In the uplink, in the UE 120, a transmit processor 264 may receive and process data from a data source 262 and control information (e.g., for reports including RSRP, RSSI, RSRQ, and / or CQI) from a controller / processor 280. The transmit processor 264 may also generate reference symbols for one or more reference signals. If applicable, the symbols from the transmit processor 264 may be precoded by a TX MIMO processor 266, further processed by modulators 254a through 254r (e.g., DFT-s-OFDM or CP-OFDM), and transmitted to the base station 110. In some aspects, the modulator and demodulator (e.g., MOD / DEMOD 254) of the UE 120 may be included in a modem of the UE 120. In some aspects, the UE 120 includes a transceiver. The transceiver may include any combination of an antenna 252, a modulator and / or demodulator 254, a MIMO detector 256, a receive processor 258, a transmit processor 264, and / or a TX MIMO processor 266. The transceiver may be used by a processor (e.g., controller / processor 280) and memory 282 to perform aspects of any of the methods described herein (e.g., as described with reference to Figures 6 to 9 depicted).

[0047] In the base station 110, uplink signals from the UE 120 and another UE may be received by the antenna 234, processed by the demodulator 232, detected by the MIMO detector 236, if applicable, and further processed by the receive processor 238 to obtain decoded data and control information sent by the UE 120. The receive processor 238 may provide the decoded data to the data receiver 239 and the decoded control information to the controller / processor 240. The base station 110 may include a communication unit 244 and communicate with the network controller 130 via the communication unit 244. The base station 110 may include a scheduler 246 to schedule downlink and / or uplink communications of the UE 120. In some aspects, the modulator and demodulator (e.g., MOD / DEMOD 232) of the base station 110 may be included in a modem of the base station 110. In some aspects, the base station 110 includes a transceiver. The transceiver may include any combination of antenna 234, modulator and / or demodulator 232, MIMO detector 236, receive processor 238, transmit processor 220, and / 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 methods described herein (e.g., as described with reference to Figures 6 to 9 depicted).

[0048] As described in greater detail elsewhere herein, the controller / processor 240 of the base station 110, the controller / processor 280 of the UE 120, and / or Figure 2 Any other component of the base station 110 may perform one or more techniques related to sidelink resource reservation for a UE using a sensorless mode. For example, the controller / processor 240 of the base station 110, the controller / processor 280 of the UE 120, and / or Figure 2 Any other component of the can execute or guide e.g. Figure 8 Processing 800, Fig. 9 900, and / or operations of other processes described herein. Memory 242 and memory 282 may store data and program codes for base station 110 and UE 120, respectively. In some aspects, memory 242 and / or memory 282 may include a non-transitory computer-readable medium storing one or more instructions (e.g., code and / or program code) for wireless communication. For example, when the one or more instructions are executed by one or more processors of base station 110 and / or UE 120 (e.g., directly, or after compilation, conversion and / or interpretation), the one or more instructions may cause the one or more processors, UE 120 and / or base station 110 to perform or direct, for example, Figure 8 Processing 800, Fig. 9 Operations of process 900 and / or other processes described herein. In some aspects, executing instructions may include running instructions, converting instructions, compiling instructions, and / or interpreting instructions in other examples.

[0049] In some aspects, UE 120 may include means for receiving information to be used to determine one or more resources that may be used for sidelink communication from another UE, means for determining at least one resource to be used for sidelink communication based at least in part on the information, means for transmitting the sidelink communication using the at least one resource. In some aspects, UE 120 may include means for determining information to be used by another UE to determine one or more resources that may be used for sidelink communication, means for transmitting the information to another UE, and / or the like. In some aspects, such means may include means for combining Figure 2 One or more components of UE 120 are depicted, such as controller / processor 280, transmit processor 264, TX MIMO processor 266, MOD 254, antenna 252, DEMOD 254, MIMO detector 256, receive processor 258, and / or the like.

[0050] Although Figure 2 The blocks in the 200 are shown as distinct components, but the functionality described above with respect to the blocks may be implemented in a single hardware, software, or combined component or in various combinations of components. For example, the functionality described with respect to 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.

[0051] As mentioned above, providing Figure 2 as an example. Other examples may be related to Figure 2 The depictions vary.

[0052] Figure 3 is a diagram illustrating an example 300 of sidelink communications according to the present disclosure.

[0053] like Figure 3 As shown, the first UE 305-1 can communicate with the second UE 305-2 (and one or more other UEs 305) via one or more side link channels 310. UE 305-1 and 305-2 can use one or more side link channels 310 for P2P communication, D2D communication, V2X communication (e.g., communication that can include V2V communication, V2I communication, vehicle-pedestrian (V2P) communication, etc.), mesh network and / or the like. In some aspects, UE 305 (e.g., UE 305-1 and / or UE 305-2) can correspond to one or more other UEs described elsewhere herein, such as UE 120. In some aspects, one or more side link channels 310 can use a PC5 interface and / or can operate in a high frequency band (e.g., a 5.9 GHz band). In addition, or alternatively, UE 305 can use a global navigation satellite system (GNSS) timing to synchronize the moment of a transmission time interval (TTI) (e.g., a frame, a subframe, a time slot, a codeword and / or the like).

[0054] like Figure 3As further shown, the one or more sidelink channels 310 may include a physical sidelink control channel (PSCCH) 315, a physical sidelink shared channel (PSSCH) 320, and / or a physical sidelink feedback channel (PSFCH) 325. The PSCCH 315 may be used to communicate control information, similar to a physical downlink control channel (PDCCH) and / or a physical uplink control channel (PUCCH) used for cellular communications with the base station 110 via an access link or access channel. The PSSCH 320 may be used to communicate data (or, in some cases, may be used to communicate second-level control information), similar to a physical downlink shared channel (PDSCH) and / or a physical uplink shared channel (PUSCH) used for cellular communications with the base station 110 via an access link or access channel. For example, the PSCCH 315 may carry sidelink control information (SCI) 330, which may indicate various control information for sidelink communication, such as one or more resources (e.g., time resources, frequency resources, space resources, and / or the like), wherein a transport block (TB) 335 may be carried on the PSSCH 320. The TB 335 may include data. The PSFCH 325 may be used to convey sidelink feedback 340, such as hybrid automatic repeat request (HARQ) feedback (e.g., positive or negative acknowledgement (ACK / NACK) information), transmission power control (TPC), scheduling request (SR), and / or the like.

[0055] In some aspects, one or more sidelink channels 310 may use a resource pool. For example, a scheduling assignment (e.g., included in SCI 330) may be transmitted across time in a subchannel using a particular resource block (RB). In some aspects, a data transmission associated with a scheduling assignment (e.g., on PSSCH 320) may occupy adjacent RBs in the same subframe as the scheduling assignment (e.g., using frequency division multiplexing). In some aspects, a scheduling assignment and an associated data transmission are not transmitted on adjacent RBs.

[0056] In some aspects, UE 305 may operate using a transmission mode in which resource selection and / or resource scheduling is performed by UE 305 (e.g., rather than base station 110). In some aspects, UE 305 may perform resource selection and / or resource scheduling by sensing channel availability for transmission. For example, UE 305 may measure RSSI parameters associated with various side link channels (e.g., side link-RSSI (S-RSSI) parameters), may measure RSRP parameters associated with various side link channels (e.g., PSSCH-RSRP parameters, PSCCH-RSRP parameters, and / or similar parameters), may measure RSRQ parameters associated with various side link channels (e.g., PSSCH-RSRQ parameters), and / or similar parameters, and may select a channel for side link communication transmission based at least in part on the measurement results.

[0057] Additionally or alternatively, the UE 305 may perform resource selection and / or resource scheduling using the SCI 330 received in the PSCCH 315, which may indicate occupied resources, channel parameters, and / or the like. Additionally or alternatively, the UE 305 may perform resource selection and / or resource scheduling by determining a channel busy rate (CBR) associated with various sidelink channels, which may be used for rate control (e.g., by indicating a maximum number of resource blocks that the UE 305 may use for a particular set of subframes).

[0058] In some aspects, the first UE 305-1 can transmit coordination information to the second UE 305-2. In this case, the second UE 305-2 can use the coordination information to select resources for the sidelink transmission of the second UE 305-2 (e.g., to avoid or reduce resource conflicts). The UE 305 can transmit coordination information to multiple other UEs 305 and / or the UE 305 can receive coordination information from multiple other UEs 305.

[0059] In a transmission mode in which resource selection and / or resource scheduling is performed by the UE 305, the UE 305 may generate a sidelink grant and may transmit the grant in the SCI 330. For example, the sidelink grant may indicate, for example, one or more parameters (e.g., transmission parameters) to be used for an upcoming sidelink transmission (e.g., an upcoming sidelink transmission in the same time slot as the sidelink grant), such as one or more resource blocks (e.g., TB 335) to be used for the upcoming sidelink transmission on the PSSCH 320, one or more subframes to be used for the upcoming sidelink transmission, an MCS to be used for the upcoming sidelink transmission, and / or the like. In some aspects, the UE 305 may generate a sidelink grant indicating one or more parameters of a semi-persistent scheduling (SPS), such as a periodicity of the sidelink transmission. Additionally, or alternatively, the UE 305 may generate a sidelink grant for an event-driven schedule, such as an on-demand sidelink message.

[0060] As mentioned above, providing Figure 3 as an example. Other examples may be related to Figure 3 The depictions vary.

[0061] Figure 4 is a diagram illustrating an example 400 of side link communications and access link communications according to the present disclosure.

[0062] like Figure 4 As shown above and Figure 3 As depicted in relation, a transmitter (Tx) UE 405 and a receiver (Rx) UE 410 may communicate with each other via a side link. As further shown, in some side link modes, the base station 110 may communicate with the Tx UE 405 via a first access link. Additionally or alternatively, in some side link modes, the base station 110 may communicate with the Rx UE 410 via a second access link. The Tx UE 405 and / or the Rx UE 410 may correspond to one or more UEs described elsewhere herein, e.g. Figure 1 120. Thus, a side link may refer to a direct link between UEs 120, and an access link may refer to a direct link between a base station 110 and a UE 120. Side link communications may be transmitted via a side link, and access link communications may be transmitted via an access link. Access link communications may be downlink communications (from a base station 110 to a UE 120) or uplink communications (from a UE 120 to a base station 110).

[0063] As mentioned above, providing Figure 4 as an example. Other examples may be related to Figure 4 The depictions vary.

[0064] Figure 5are diagrams illustrating examples 500 and 550 of resource selection using a sensing procedure according to the present disclosure.

[0065] like Figure 5 As shown, the UE may use a sensing procedure to select resources for sidelink communication, as described above and Figure 3 For example, a UE configured to communicate in an LTE network may perform the sensing procedure of example 500. As another example, a UE configured to communicate in an NR network may perform the sensing procedure of example 550.

[0066] like Figure 5 As shown, the UE may perform a sensing procedure in a sensing window. In some cases, the sensing window may be 100 milliseconds (ms) (e.g., for aperiodic resource reservation, such as aperiodic reservation in one or more time slots of up to 32 logical time slots in the future) or 1100 milliseconds (e.g., for periodic resource reservation). In some cases, a UE configured to communicate in an NR network may use aperiodic or periodic resource reservation sensing procedure. In some cases, a UE configured to communicate in an LTE network may use a sensing procedure only for periodic resource reservation (e.g., which may be limited to a maximum number of retransmissions per transport block (e.g., two retransmissions)).

[0067] According to the sensing procedure, the UE may decode control information related to resource reservation of another UE, and perform measurements associated with one or more side link channels (e.g., RSRP measurements). For example, the UE may transmit information indicating resource reservation (e.g., in the SCI) for a current time slot (e.g., a time slot in which the reservation information is transmitted) and resource reservation for one or more (e.g., up to two) future time slots. The resource allocation associated with the resource reservation may be one or more subchannels in the frequency domain and one time slot in the time domain. In some cases, the resource reservation may be non-periodic or periodic. In periodic resource reservation, the UE may signal (e.g., in the reservation information in the SCI) the period of the resource reservation (e.g., a value between 0 ms and 1000 ms). Periodic resource reservation may be disabled by configuration in some UEs.

[0068] like Figure 5As shown, the UE may determine to select resources for sidelink communication based at least in part on a resource selection trigger. For example, when the UE has a data packet to be transmitted, resource selection may be triggered. Based at least in part on the resource selection trigger, the UE may determine one or more resources available for selection in a resource selection window. That is, the UE may determine one or more available resources based at least in part on a sensing procedure performed by the UE. For example, the sensing procedure may provide an indication of occupied resources in the resource selection window and / or an indication of resources associated with high interference in the resource selection window.

[0069] In some cases, if the resource selection trigger occurs in subframe n, the resource selection window is from n+T1 to n+T2. In this case, T1 may be less than or equal to 4 (e.g., for LTE) or may be less than the processing time (T proc，1 ) (e.g., for NR). In addition, T2 may be greater than or equal to T 2，min , which value can be a value configured for the UE based at least in part on the UE's priority level and is less than or equal to 100 or the remaining packet delay budget (PDB) of the UE (e.g., for LTE, T2 can be less than or equal to the minimum of 100 or the remaining PDB, and for NR, T2 can be less than or equal to the remaining PDB).

[0070] In some cases, the scope of the UE performing the sensing procedure may be based at least in part on the sensing mode used by the UE (e.g., according to the sensing mode configuration). For the full sensing mode, the UE may perform the sensing procedure on all time slots associated with the sensing window. For the partial sensing mode, the UE may perform the sensing procedure on a subset of time slots, subframes, etc. of the sensing window. The sensing procedure in the full sensing mode or the partial sensing mode may be performed by the UE over the entire sidelink bandwidth, which may be computationally intensive and consume a large amount of processing resources of the UE. Although the sensing procedure in the partial sensing mode may save some processing resources of the UE, the sensing procedure in the partial sensing mode may not be suitable for non-periodic resource reservation.

[0071] For the sensorless mode, the UE may not perform a sensing procedure in the sensing window and may select (e.g., randomly) a resource in the resource selection window. Thus, when using the sensorless mode, the UE may determine that all resources in the resource selection window are candidate resources for selection, and the UE may report to a higher layer that a set of candidate resources are used. A UE operating in the sensorless mode may experience a high rate of resource conflicts.

[0072] Some techniques and devices described herein enable a UE to perform sidelink communications using a sensorless mode. In some aspects, a UE may select resources for sidelink communications and perform sidelink communications using the selected resources based at least in part on information received from another UE performing sensing (e.g., as a proxy for the UE). In this way, the UE saves processing resources, battery resources, and / or similar resources associated with performing sensing procedures while improving resource conflict rates typically associated with resource selection in a sensorless mode.

[0073] As mentioned above, providing Figure 5 as an example. Other examples may be related to Figure 5 The depictions vary.

[0074] Figure 6 6 is a diagram illustrating an example 600 of a UE reserving sidelink resources using a sensorless mode according to the present disclosure. Figure 6 As shown, the first UE 605-1 and the second UE 605-2 can communicate with each other. Figure 3 As related depictions, a first UE 605-1 and a second UE 605-2 may communicate on a sidelink channel.

[0075] In some aspects, UE 605 may correspond to UE 120, UE 305, UE 405, UE 410 and / or the like. In some aspects, the first UE 605-1 may be a roadside unit (RSU), a fixed UE, a UE associated with a vehicle, or another UE associated with a higher battery life, or a UE that is otherwise not limited by battery life. The first UE 605-1 may be referred to as a coordinator UE. In some aspects, the second UE 605-2 may be a handheld UE, a UE associated with a pedestrian, a portable UE, or another UE associated with a lower battery life, or a UE that is otherwise limited by battery life. In some aspects, the second UE 605-2 may operate in a non-sensing mode for side link communication. The second UE 605-2 may refer to a non-sensing UE.

[0076] In some aspects, the coordinator UE 605-1 may be associated with a specific area (eg, a geographic area). The coordinator UE 605-1 may perform resource reservation for sensorless UEs within the area. Thus, multiple coordinator UEs may be associated with multiple areas, respectively.

[0077] like Figure 6 As shown, and according to reference numeral 610, the coordinator UE 605-1 may perform a resource reservation procedure (eg, as described above with reference to Figure 3 and / or Figure 5For example, the coordinator UE 605-1 may perform a sensing procedure in a sensing window and may select one or more reserved resources in a resource selection window, as described above (eg, the resource reservation may be based on an SCI-1 mechanism).

[0078] In connection with the sensing procedure, the coordinator UE 605-1 may reserve resources in the current time slot and may reserve one or more resources in the future time slot. The resource reservation in the current time slot may be used by the coordinator UE 605-1. The resource reservation in the future time slot may be used by one or more non-sensing UEs. That is, the resource reservation in the future time slot may not be used by the coordinator UE 605-1 (e.g., the resource reservation is a proxy resource reservation that the coordinator UE 605-1 does not transmit).

[0079] In some aspects, the coordinator UE 605-1 may use resource reservations in the current time slot to transmit (e.g., to one or more non-sensing UEs, one or more full-sensing UEs, one or more partial-sensing UEs, and / or similar UEs) sidelink data communications (e.g., on a sidelink shared channel such as a PSSCH) or sidelink coordination information. The data communications or coordination information may not be related to resource reservations in future time slots. However, in some aspects, the coordination information may include information related to resource reservations in future time slots to enable the UE to perform resource selection and reservations (e.g., resource selection and reservations to avoid resource reservations in future time slots).

[0080] In some aspects, the coordinator UE 605-1 may use the resource reservation in the current time slot to transmit (e.g., to one or more non-sensing UEs) information identifying the location of the message with resource reservation information for the non-sensing UE (e.g., resource allocation). The message with resource reservation information may be information transmitted by the coordinator UE 605-1, another coordinator UE (e.g., associated with another area, such as an area adjacent to the area of ​​the coordinator UE 605-1), and / or similar UEs.

[0081] As indicated by reference numeral 615, the coordinator UE 605-1 may transmit a message including resource reservation information (e.g., information to be used to determine one or more resources for sidelink communication) to the non-sensing UE 605-2 (and / or one or more other UEs). The information may be SCI information (e.g., including a sidelink grant associated with the resource reservation), etc. The resource reservation information may indicate a resource reservation in a current time slot (e.g., to be used by the coordinator UE 605-1), and / or a resource reservation in a future time slot (e.g., to be used by the non-sensing UE). For example, the resource reservation information may indicate the resource reservation using a time resource and a frequency resource associated with the resource reservation.

[0082] The coordinator UE 605-1 may transmit the resource reservation information in the same manner as the UE transmits the resource reservation information when the reserved resources are to be used only by the UE (e.g., when the resources are not reserved by the proxy). Thus, this message, or another message (e.g., an SCI-2 message), may indicate that the resource reservation in the future time slot is to be used by the non-sensing UE. For example, the destination identifier of the SCI message may identify that the resource reservation in the future time slot is to be used by the non-sensing UE.

[0083] In some aspects, the message including the resource reservation information may be associated with a periodic transmission. For example, the coordinator UE 605-1 may periodically transmit a message including the resource reservation information to be used by the non-sensing UE. In some aspects, the non-sensing UE 605-2 may receive information indicating a location (e.g., resource allocation) of the message including the resource reservation information from a base station (e.g., BS 110). For example, the non-sensing UE 605-2 may receive information indicating a location in system information transmitted by the base station (e.g., in a system information block (SIB)).

[0084] As indicated by reference numeral 620, the non-sensing UE 605-2 may determine at least one resource that the non-sensing UE 605-2 will use for sidelink communication based at least in part on the resource reservation information. In some aspects, the non-sensing UE 605-2 may determine at least one resource based at least in part on a resource allocation (e.g., an explicit resource allocation) of the non-sensing UE 605-2. The resource allocation may identify one or more resources of a resource reservation in a future time slot to be used by the non-sensing UE 605-2. The resource allocation may be included in a message with the resource reservation information, or may be included in another message transmitted by the coordinator UE 605-1 (e.g., a message including coordination information).

[0085] In some aspects, the non-sensing UE 605-2 may determine the at least one resource by selecting at least one resource from the resource reservation in the future time slot. For example, the resource reservation in the future time slot may include multiple resources, and the non-sensing UE 605-2 may select at least one of the multiple resources. The non-sensing UE 605-2 may select the at least one resource according to a resource selection criterion, may randomly select the at least one resource, and / or the like.

[0086] As shown in the reference numeral 625, the non-sensing UE 605-2 can transmit a side link communication using at least one determined resource. The non-sensing UE 605-2 can transmit a side link communication to the coordinator UE 605-1, another UE, etc. In this way, the coordinator UE 605-1 can perform a sensing procedure and resource reservation on behalf of the non-sensing UE 605-2, so that the non-sensing UE 605-2 does not need to perform a sensing procedure and resource reservation. This may be advantageous when the use of the non-sensing UE 605-2 is limited by battery life, and the use of the coordinator UE 605-1 is not limited by battery life or is limited to a lesser extent by battery life.

[0087] As mentioned above, providing Figure 6 as an example. Other examples may be related to Figure 6 The depictions vary.

[0088] Figure 7 A diagram illustrating an example 700 of sidelink resource reservation for a UE using a sensing-less mode according to the present disclosure.

[0089] like Figure 7 As shown and in accordance with reference numeral 705, the coordinator UE 605-1 may perform a sensing procedure. For example, the coordinator UE 605-1 may perform a sensing procedure (eg, in a sensing window) including determining occupied resources and / or performing measurements (eg, RSRP measurements).

[0090] As shown in reference numeral 710, the coordinator UE 605-1 may transmit a message including sensing information (e.g., information to be used to determine one or more resources for sidelink communication) to the non-sensing UE 605-2 (and / or one or more other UEs). The sensing information may be based at least in part on a sensing procedure performed by the coordinator UE 605-1. For example, the sensing information may indicate one or more resources that are occupied (e.g., not selectable by the non-sensing UE) and / or may include information about measurements (e.g., RSRP measurements) performed by the coordinator UE 605-1 in a sensing window. The message including the sensing information may be a coordination message, an SCI message, or the like.

[0091] In some aspects, the message including the sensing information may be associated with a periodic transmission. For example, the coordinator UE 605-1 may periodically transmit a message including the sensing information to be used by the non-sensing UE. In some aspects, the non-sensing UE 605-2 may receive information indicating a location (e.g., resource allocation) of the message including the sensing information from a base station (e.g., BS 110). For example, the non-sensing UE 605-2 may receive information indicating a location in system information (e.g., in a SIB) transmitted by the base station.

[0092] In some aspects, the message including the sensing information may include additional information. For example, the message may include information identifying the location (e.g., resource allocation) of another message with sensing information of the non-sensing UE. The other message with sensing information may be a message transmitted by the coordinator UE 605-1, another coordinator UE (e.g., associated with another area, such as an area adjacent to the area of ​​the coordinator UE 605-1), and / or the like.

[0093] As indicated by reference numeral 715, the non-sensing UE 605-2 may determine at least one resource that the non-sensing UE 605-2 will use for sidelink communication based at least in part on the sensing information. The non-sensing UE 605-2 may determine at least one resource using the sensing information without performing a sensing procedure (e.g., the non-sensing UE 605-2 may use the sensing information to replace performing a sensing procedure). For example, as described above, the non-sensing UE 605-2 may use the sensing information to select at least one resource for reservation (e.g., in a resource selection window). In this manner, the non-sensing UE 605-2 may use the sensing procedure performed by the coordinator UE 605-1 to determine the resource for reservation in the same manner as the UE selects the resource for reservation when the sensing procedure is performed by the UE (e.g., when the sensing procedure is not performed by the proxy).

[0094] In some aspects, the non-sensing UE 605-2 may transmit a message (e.g., to one or more UEs) including resource reservation information based at least in part on the determined at least one resource. The message may be an SCI message (e.g., including a sidelink grant associated with the resource reservation) and / or a similar message. The resource reservation information may indicate a resource reservation for the non-sensing UE 605-2 in a current time slot and / or a resource reservation for the non-sensing UE 605-2 in a future time slot. For example, the resource reservation information may indicate a resource reservation using a time resource and a frequency resource associated with the resource reservation.

[0095] As shown in the reference numeral 720, the non-sensing UE 605-2 can use the determined at least one resource (and according to the message including the resource reservation information) to transmit the side link communication. The non-sensing UE 605-2 can transmit the side link communication to the coordinator UE 605-1, another UE and / or similar UE. In this way, the coordinator UE 605-1 can perform the sensing procedure on behalf of the non-sensing UE 605-2, so that the non-sensing UE 605-2 does not need to perform the sensing procedure. This may be advantageous when the use of the non-sensing UE 605-2 is limited by battery life, and the use of the coordinator UE 605-1 is not limited by battery life, or is limited to a lesser extent by battery life.

[0096] As mentioned above, providing Figure 7 as an example. Other examples may be related to Figure 7 The depictions vary.

[0097] Figure 8 A diagram of an example process 800 is shown, for example, performed by a UE in accordance with the present disclosure. Example process 800 is an example of a UE (eg, UE 120 and / or similar UEs) performing operations associated with sidelink resource reservation for UEs using a sensorless mode.

[0098] like Figure 8 As shown, in some aspects, process 800 may include receiving information from another UE to be used to determine one or more resources for sidelink communication (block 810). For example, as described above, a UE (e.g., using antenna 252, DEMOD 254, MIMO detector 256, receive processor 258, controller / processor 280, and / or the like) may receive information from another UE to be used to determine one or more resources for sidelink communication.

[0099] like Figure 8 As further shown, in some aspects, process 800 may include transmitting the sidelink communication using at least one resource determined based at least in part on the information (block 820). For example, as described above, the UE (e.g., using controller / processor 280, transmit processor 264, TX MIMO processor 266, MOD 254, antenna 252, and / or the like) may transmit the sidelink communication using at least one resource determined based at least in part on the information.

[0100] Process 800 may include additional aspects, such as any single aspect or any combination of aspects described below and / or aspects related to one or more other processes described elsewhere herein.

[0101] In a first aspect, one or more resources are reserved by another UE.

[0102] In a second aspect, alone or in combination with the first aspect, the information identifies one or more resources reserved by another UE.

[0103] In a third aspect, alone or in combination with one or more of the first and second aspects, one or more resources are reserved by another UE in a time slot used by another UE for transmitting sidelink data communication or coordination information.

[0104] In a fourth aspect, alone or in combination with one or more of the first to third aspects, one or more resources are reserved by another UE in a time slot used by another UE to transmit resource allocation information identified by a message having resource reservation information.

[0105] In a fifth aspect, alone or in combination with one or more of the first to fourth aspects, one or more resources reserved by another UE will not be used by the other UE.

[0106] In a sixth aspect, alone or in combination with one or more of the first to fifth aspects, the message including the information indicates that one or more resources are reserved for a UE that does not perform a sensing procedure.

[0107] In a seventh aspect, alone or in combination with one or more of the first to sixth aspects, process 800 includes selecting at least one resource from the one or more resources.

[0108] In an eighth aspect, alone or in combination with one or more of the first to seventh aspects, process 800 includes receiving a message from another UE indicating that at least one resource is allocated to the UE.

[0109] In a ninth aspect, alone or in combination with one or more of the first to eighth aspects, the message is associated with a periodic transmission.

[0110] In a tenth aspect, alone or in combination with one or more of the first to ninth aspects, process 800 includes receiving information identifying a resource allocation for the message from a base station.

[0111] In an eleventh aspect, alone or in combination with one or more of the first to tenth aspects, the information includes sensing information based at least in part on a sensing procedure performed by another UE.

[0112] In a twelfth aspect, alone or in combination with one or more of the first to eleventh aspects, at least one resource is determined based at least in part on the sensed information and without using another sensing procedure.

[0113] In a thirteenth aspect, alone or in combination with one or more of the first to twelfth aspects, the message including the information is associated with a periodic transmission.

[0114] In a fourteenth aspect, alone or in combination with one or more of the first to thirteenth aspects, process 800 includes receiving, from a base station, an indication of a resource allocation of a message including the information.

[0115] In a fifteenth aspect, alone or in combination with one or more of the first to fourteenth aspects, the message including the information further includes information identifying resource allocation for another message having the sensing information.

[0116] although Figure 8 Example blocks of process 800 are shown, but in some aspects, process 800 may include additional blocks, fewer blocks, different blocks, or different blocks. Figure 8Additionally, or alternatively, two or more blocks of process 800 may be performed in parallel.

[0117] Fig. 9 A diagram of an example process 900 is shown, for example, performed by a UE in accordance with the present disclosure. Example process 900 is an example of a UE (eg, UE 120 and / or similar UEs) performing operations associated with sidelink resource reservation for a UE using a sensorless mode.

[0118] like Fig. 9 As shown, in some aspects, process 900 may include determining information to be used by another UE to determine one or more resources for sidelink communication (block 910). For example, as described above, a UE (e.g., using controller / processor 280, memory 282, and / or the like) may determine information to be used by another UE to determine one or more resources for sidelink communication.

[0119] like Fig. 9 As further shown, in some aspects, process 900 may include transmitting information to the other UE (block 920). For example, the UE (e.g., using controller / processor 280, transmit processor 264, TX MIMO processor 266, MOD 254, antenna 252, and / or the like) may transmit information to another UE.

[0120] Process 900 may include additional aspects, such as any single aspect or any combination of aspects described below, and / or one or more other processes related to those described elsewhere herein.

[0121] In a first aspect, process 900 includes reserving one or more resources.

[0122] In a second aspect, alone or in combination with the first aspect, the information identifies one or more resources reserved by the UE.

[0123] In a third aspect, alone or in combination with one or more of the first and second aspects, process 900 includes transmitting sidelink data communication or coordination information in one or more resource reserved time slots.

[0124] In a fourth aspect, alone or in combination with one or more of the first to third aspects, process 900 includes transmitting information identifying a resource allocation for a message having resource reservation information in one or more resource reserved time slots.

[0125] In a fifth aspect, alone or in combination with one or more of the first to fourth aspects, the reserved one or more resources will not be used by the UE.

[0126] In a sixth aspect, alone or in combination with one or more of the first to fifth aspects, the message including the information indicates that one or more resources are reserved for a UE that does not perform a sensing procedure.

[0127] In a seventh aspect, alone or in combination with one or more of the first to sixth aspects, the information is to be used by another UE to select at least one resource from the one or more resources.

[0128] In an eighth aspect, alone or in combination with one or more of the first to seventh aspects, process 900 includes transmitting a message indicating that at least one resource is allocated to another UE.

[0129] In a ninth aspect, alone or in combination with one or more of the first to eighth aspects, the message is associated with a periodic transmission.

[0130] In a tenth aspect, alone or in combination with one or more of the first to ninth aspects, resource allocation of the message is to be determined by another UE based at least in part on an indication received from the base station.

[0131] In an eleventh aspect, alone or in combination with one or more of the first to tenth aspects, the process 900 includes executing a sensing procedure, and the information includes sensed information based at least in part on the execution of the sensing procedure.

[0132] In a twelfth aspect, alone or in combination with one or more of the first to eleventh aspects, the information is to be used by another UE to determine at least one resource based at least in part on the sensing information and without using another sensing procedure.

[0133] In a thirteenth aspect, alone or in combination with one or more of the first to twelfth aspects, the message including the information is associated with a periodic transmission.

[0134] In a fourteenth aspect, alone or in combination with one or more of the first to thirteenth aspects, resource allocation of the message including the information is to be determined by another UE based at least in part on an indication received from the base station.

[0135] In a fifteenth aspect, alone or in combination with one or more of the first to fourteenth aspects, the message comprising information further comprises information identifying resource allocation for another message having the sensing information.

[0136] although Fig. 9 Example blocks of process 900 are shown, but in some aspects, process 900 may include additional blocks, fewer blocks, different blocks, or different blocks. Fig. 9 Additionally, or alternatively, two or more blocks of process 900 may be performed in parallel.

[0137] The following is a summary of some aspects of the disclosure.

[0138] Aspect 1: A wireless communication method performed by a user equipment (UE), comprising: receiving information from another UE, wherein the information is used to determine one or more resources for sidelink communication; and transmitting the sidelink communication using at least one resource determined at least in part based on the information.

[0139] Aspect 2: The method according to aspect 1, wherein the one or more resources are reserved by the other UE.

[0140] Aspect 3: The method as described in Aspect 2, wherein the information identifies the one or more resources reserved by the other UE.

[0141] Aspect 4: The method as described in any one of aspects 2-3, wherein the one or more resources are reserved by the other UE in a time slot used by the other UE to transmit the sidelink data communication or coordination information.

[0142] Aspect 5: The method as described in any one of aspects 2-3, wherein the one or more resources are reserved by the other UE in a time slot used by the other UE to transmit information identifying resource allocation for a message with resource reservation information.

[0143] Aspect 6: The method according to any one of aspects 2-5, wherein the one or more resources reserved by the other UE are not to be used by the other UE.

[0144] Aspect 7: The method as described in any one of aspects 2-6, wherein the message containing the information indicates that the one or more resources are reserved for UEs that do not perform sensing procedures.

[0145] Aspect 8: The method as described in any one of Aspects 1-7 further includes: selecting at least one resource from the one or more resources.

[0146] Aspect 9: The method as described in any one of aspects 1-7 also includes: receiving a message from the other UE, the message indicating that the at least one resource is allocated to the UE.

[0147] Aspect 10: The method according to Aspect 9, wherein the message is associated with a periodic transmission.

[0148] Aspect 11: The method as described in any one of aspects 9-10 also includes: receiving information identifying resource allocation of the message from a base station.

[0149] Aspect 12: The method of aspect 1, wherein the information comprises sensing information based at least in part on a sensing procedure performed by the other UE.

[0150] Aspect 13: The method of aspect 12, wherein the at least one resource is determined based at least in part on the sensed information and without using another sensing procedure.

[0151] Aspect 14: A method as described in any one of Aspects 1 or 12-13, wherein the message including the information is associated with a periodic transmission.

[0152] Aspect 15: The method as described in any one of Aspects 1 or 12-14 further includes: receiving an indication of resource allocation of a message including the information from a base station.

[0153] Aspect 16: The method as described in any one of Aspects 1 or 12-15, wherein the message including the information further includes: information identifying resource allocation for another message having sensing information.

[0154] Aspect 17: A wireless communication method performed by a user equipment (UE), comprising: determining information to be used by another UE to determine one or more resources for sidelink communication; and transmitting the information to the other UE.

[0155] Aspect 18: The method as described in Aspect 17 also includes: reserving the one or more resources.

[0156] Aspect 19: The method of aspect 18, wherein the information identifies the one or more resources reserved by the UE.

[0157] Aspect 20: The method as described in any of Aspects 18-19, further comprising: transmitting the sidelink data communication or coordination information in the time slot where the one or more resources are reserved.

[0158] Aspect 21: The method as described in any one of Aspects 18-19, further comprising: transmitting information in a time slot in which the one or more resources are reserved, wherein the information identifies resource allocation for the message having resource reservation information.

[0159] Aspect 22: The method according to any one of aspects 18-21, wherein the reserved one or more resources are not to be used by the UE.

[0160] Aspect 23: The method as described in any one of aspects 18-22, wherein the message including the information indicates that the one or more resources are reserved for UEs that do not perform sensing procedures.

[0161] Aspect 24: The method as described in any of aspects 17-23, wherein the information is to be used by the other UE to select at least one resource from the one or more resources.

[0162] Aspect 25: The method according to any one of aspects 17-23, further comprising: transmitting a message indicating at least one resource allocated to the other UE.

[0163] Aspect 26: The method according to Aspect 25, wherein the message is associated with a periodic transmission.

[0164] Aspect 27: The method as described in any of aspects 25-26, wherein the resource allocation of the message is to be determined by the other UE based at least in part on an indication received from a base station.

[0165] Aspect 28: The method of aspect 17 further comprises: executing a sensing procedure, wherein the information comprises sensing information based at least in part on executing the sensing procedure.

[0166] Aspect 29: The method of aspect 28, wherein the information is to be used by the other UE to determine at least one resource based at least in part on the sensing information and without using another sensing procedure.

[0167] Aspect 30: A method as described in any one of Aspects 17 or 28-29, wherein the message including the information is associated with a periodic transmission.

[0168] Aspect 31: A method as described in any one of aspects 17 or 28-30, wherein the resource allocation of the message including the information is to be determined by the other UE at least in part based on an indication received from a base station.

[0169] Aspect 32: The method as described in any one of Aspects 17 or 28-31, wherein the message including the information further includes: information identifying the resource allocation for another message having sensing information.

[0170] Aspect 33: An apparatus for performing wireless communications on 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 1-16.

[0171] Aspect 34: 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 one or more of the methods described in aspects 1-16.

[0172] Aspect 35: An apparatus for wireless communication, the apparatus comprising at least one component for performing one or more of the methods described in aspects 1-16.

[0173] Aspect 36: A non-transitory computer-readable medium storing code for wireless communication, the code comprising instructions executable by a processor to perform the method of one or more of aspects 1-16.

[0174] Aspect 37: 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, causes the device to perform one or more of the methods described in aspects 1-16.

[0175] Aspect 38: An apparatus for wireless communication on 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 17-32.

[0176] Aspect 39: 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 one or more of the methods described in aspects 17-32.

[0177] Aspect 40: An apparatus for wireless communication, the apparatus comprising at least one component for performing one or more of the methods of aspects 17-32.

[0178] Aspect 41: A non-transitory computer-readable medium storing code for wireless communication, the code comprising instructions executable by a processor to perform the method of one or more of aspects 17-32.

[0179] Aspect 42: 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, causes the device to perform one or more of the methods described in aspects 17-32.

[0180] The above disclosure provides illustration and description, but is not intended to be exhaustive or to limit the aspects to the precise forms disclosed. Modifications and variations may be made in light of the above disclosure or may be acquired from practice of these aspects.

[0181] As used herein, the term "component" is intended to be broadly interpreted as hardware and / or a combination of hardware and software. "Software" should be broadly interpreted as instructions, instruction sets, codes, code segments, program codes, programs, subroutines, software modules, applications, software applications, software packages, routines, subroutines, objects, executable files, execution threads, programs, and / or functions, as well as other examples, whether referred to as software, firmware, middleware, microcode, hardware description language or other. As used herein, the processor is implemented in a combination of hardware and / or hardware and software. Obviously, the systems and / or methods described herein can be implemented with different forms of hardware and / or a combination of hardware and software. The actual dedicated control hardware or software code that implements these systems and / or methods is not a limitation on various aspects. Therefore, the operation and behavior of the systems and / or methods are described herein without mentioning specific software codes. It should be understood that, based at least in part on the description herein, software and hardware can be designed to implement these systems and / or methods.

[0182] As used herein, satisfying a threshold may refer to a value being 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., depending on the context.

[0183] Even if the specific combination of features is disclosed in the claims and / or the specification, these combinations are not intended to limit the disclosure of various aspects. In fact, many of these features can be combined in a manner that is not specifically recorded in the claims and / or not specifically described in the specification. Although each dependent claim listed above may only directly depend on one claim, the disclosure of various aspects includes the combination of each dependent claim with each other claim in the claim set. As used herein, the phrase referring to "at least one" list of items refers to any combination of these items, including single members. As an example, "at least one: a, b or c" is intended to cover a, b, c, ab, ac, bc and abc, and any combination with multiples of the same element (for example, aa, aaa, aab, aac, abb, acc, bb, bbb, bbc, cc or any other order of a, b and c).

[0184] Unless clearly described, any element, behavior or instruction used here should not be understood as being critical or necessary. In addition, as used herein, the articles "one" and "an" 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 related to the article "said", and can be used interchangeably with "one or more". In addition, as used herein, the terms "group" and "group" are intended to include one or more items (e.g., a combination of related items, unrelated items, related and unrelated items), and can be used interchangeably with "one or more". If only one item is intended to be used, the phrase "only one" or similar language is used. In addition, as used herein, the terms "have", "have", "have" or similar terms are intended to represent open-ended terms. In addition, unless otherwise clearly stated, the phrase "based on" means "at least partially based on". In addition, as used herein, the term "or" is intended to be included when used in a sequence, and can be used interchangeably with "and / or", unless otherwise clearly stated (e.g., if used in combination with "either" or "only one").

Claims

1. A user equipment UE for wireless communication, comprising: one or more memories storing processor-executable code; as well as One or more processors coupled to the one or more memories, at least one of the one or more processors being configured to cause the UE to: receiving information in a sidelink control information communication from a coordinator UE operating in a sensing mode, the information comprising a reservation of one or more resources for use by the UE for sidelink shared channel communication, wherein the information is based on a communication of the sidelink control information by the UE operating in a non-sensing mode; as well as The sidelink shared channel communication is transmitted to the coordinator UE using at least one randomly selected resource from among the one or more resources, wherein the one or more resources are determined based on the information.

2. The UE according to claim 1, wherein: The one or more resources are reserved by the coordinator UE, and the information identifies the one or more resources reserved by the coordinator UE.

3. The UE according to claim 2, wherein: The one or more resources are reserved by the coordinator UE in a time slot used by the coordinator UE for transmitting sidelink data communication or coordination information.

4. The UE according to claim 2, wherein: The one or more resources are reserved by the coordinator UE in a time slot used by the coordinator UE to transmit information identifying resource allocation for a message with resource reservation information.

5. The UE according to claim 2, wherein: The message including the information indicates that the one or more resources are reserved for one or more UEs operating in the sensorless mode including the UE.

6. The UE according to claim 1, wherein: The at least one processor of the one or more processors is further configured to: The at least one randomly selected resource is randomly selected from the one or more resources.

7. The UE according to claim 1, wherein: The at least one processor of the one or more processors is further configured to: Information identifying a resource allocation for a message including the sensing information is received from a network entity.

8. The UE according to claim 1, wherein: The information includes sensing information according to a sensing procedure performed by the coordinator UE.

9. The UE according to claim 8, wherein: The at least one randomly selected resource is determined based on the sensed information and without using another sensing procedure.

10. The UE according to claim 1, wherein: The at least one processor of the one or more processors is further configured to: An indication of resource allocation for a message including the information is received from a network entity.

11. The UE according to claim 1, wherein: The message including the information also includes information identifying resource allocation for another message having the sensing information.

12. A user equipment UE for wireless communication, comprising: one or more memories storing computer readable code; as well as One or more processors coupled to the one or more memories, at least one of the one or more processors being operable to cause the UE to: determining information to be used by another UE, wherein the information is based on the other UE operating in a sensorless mode and the information includes a reservation of one or more resources for the other UE to use for sidelink shared channel communication; sending information to another UE in a sidelink control information communication; and The sidelink shared channel communication is received from the other UE in at least one randomly selected resource of the one or more resources.

13. The UE according to claim 12, wherein: At least one of the one or more processors is further configured to: reserving the one or more resources, The information identifies the one or more resources reserved by the UE.

14. The UE according to claim 13, wherein: At least one of the one or more processors is further configured to: The sidelink data communication or coordination information is transmitted in the time slots in which the one or more resources are reserved.

15. The UE according to claim 13, wherein: At least one of the one or more processors is further configured to: Information is transmitted in the time slots in which the one or more resources are reserved, the information identifying resource allocation for a message having resource reservation information.

16. The UE according to claim 13, wherein: The reserved resource or resources will not be used by the UE.

17. The UE according to claim 13, wherein: The message including the information indicates that the one or more resources are reserved for one or more other UEs operating in the sensorless mode.

18. The UE according to claim 12, wherein: The information is to be used by the other UE to select at least one resource from the one or more resources.

19. The UE according to claim 12, wherein: At least one of the one or more processors is further configured to: A message is transmitted indicating at least one resource allocated to the other UE.

20. The UE according to claim 12, wherein: At least one of the one or more processors is further configured to: Execute the sensing procedure, The information includes sensing information obtained by executing the sensing program.

21. The UE according to claim 20, wherein: The information is to be used by the other UE to determine at least one resource based on the sensing information and without using another sensing procedure.

22. The UE according to claim 12, wherein: The message including the information also includes information identifying resource allocation for another message having the sensing information.

23. A wireless communication method performed by a user equipment UE, comprising: receiving information in a sidelink control information communication from a coordinator UE operating in a sensing mode, the information comprising a reservation of one or more resources for use by the UE for sidelink shared channel communication, wherein the information is based on a communication of the sidelink control information by the UE operating in a non-sensing mode; and The sidelink shared channel communication is transmitted to the coordinator UE using at least one randomly selected resource from among the one or more resources, wherein the one or more resources are determined based on the information.

24. The method of claim 23, wherein: The one or more resources are reserved by the coordinator UE, and the information identifies the one or more resources reserved by the coordinator UE.

25. The method of claim 23, wherein: The information includes sensing information according to a sensing procedure performed by the coordinator UE.

26. The method of claim 25, wherein: The at least one randomly selected resource is determined based on the sensed information and without using another sensing procedure.

27. The method of claim 23, further comprising: The at least one randomly selected resource is randomly selected from the one or more resources.

28. A wireless communication method performed by a user equipment UE, comprising: determining information to be used by another UE, wherein the information is based on the another UE operating in a sensorless mode and the information comprises a reservation of one or more resources for use by the another UE for sidelink shared channel communication; transmitting the information to the other UE in a sidelink control information communication; and The sidelink shared channel communication is received from the other UE in at least one randomly selected resource of the one or more resources.

29. The method of claim 28, further comprising: reserving the one or more resources, The information identifies the one or more resources reserved by the UE.

30. The method of claim 28, further comprising: Execute the sensing procedure, The information includes sensing information obtained by executing the sensing program.

31. A non-transitory computer-readable medium storing one or more instructions, wherein when the one or more instructions are executed by one or more processors of a user equipment (UE), the one or more processors cause the UE to execute the method of any one of claims 23-30.

32. An apparatus for wireless communication at a user equipment UE, comprising: means for receiving information in a sidelink control information communication from a coordinator UE operating in a sensing mode, the information comprising a reservation of one or more resources for use by the UE for sidelink shared channel communication, wherein the information is based on the UE operating in a non-sensing mode; and Means for transmitting the sidelink shared channel communication to the coordinator UE using at least one randomly selected resource of the one or more resources, wherein the one or more resources are determined based on the information.

33. A computer program product comprising computer instructions which, when executed by a processor, perform the method of any one of claims 23 to 30.

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