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EP-4736339-A1 - BEAM-ASSOCIATED INTER-USER-EQUIPMENT COORDINATION

EP4736339A1EP 4736339 A1EP4736339 A1EP 4736339A1EP-4736339-A1

Abstract

Various aspects of the present disclosure generally relate to wireless communication. Some aspects involve enhancing an inter-user-equipment coordination (IUC) framework to enable user equipment (UE) to perform beam sweeping over the sidelink. Some aspects more specifically relate to fine-tuning beams, such as transmit beams or receive beams, using one or more IUC requests. In some aspects, multiple transmit beams or multiple receive beams may carry respective IUC requests and associated beam signals. In some aspects, one transmit beam or one receive beam may carry an IUC request and associated beam signal, multiple remaining transmit beams or receive beams may carry associated beam signals, and the transmit UE or the receive UE may identify a fine-tuned transmit beam or a fine-tuned receive beam responsive to, based on, or otherwise associated with the IUC request and associated beam signals.

Inventors

  • LI, QING
  • LI, JUNYI
  • CHENG, HONG

Assignees

  • QUALCOMM INCORPORATED

Dates

Publication Date
20260506
Application Date
20240531

Claims (20)

  1. 1. A user equipment (UE) for wireless communication, comprising: a processing system that includes one or more processors and one or more memories coupled with the one or more processors, the processing system configured to cause the UE to: transmit, via a set of one or more transmit beams according to a beam sweeping pattern, a plurality of beam signals associated with at least one inter-UE coordination (IUC) request that includes an indication to perform one or more sensing operations for a transmission of a sidelink communication or one or more resource selection operations for the transmission of the sidelink communication; and receive IUC information, associated with the at least one IUC request, that includes at least one of an indication of a resource set type, an indication of one or more resources associated with the resource set type, or an indication of a target beam associated with measurements of the plurality of beam signals.
  2. 2. The UE of claim 1, wherein the set of transmit beams includes a plurality of transmit beams.
  3. 3. The UE of claim 2, wherein the at least one IUC request includes a plurality of IUC requests respectively associated with the plurality of beam signals, wherein the processing system is further configured to cause the UE to: transmit, via the plurality of transmit beams, the plurality of IUC requests.
  4. 4. The UE of claim 2, wherein the at least one IUC request is a single IUC request associated with the plurality of beam signals, wherein the processing system is further configured to cause the UE to: transmit, via an initial transmit beam of the plurality of transmit beams according to the beam sweeping pattern, the IUC request.
  5. 5. The UE of claim 1, wherein the set of transmit beams is a single transmit beam, and wherein, to cause the UE to transmit the plurality of beam signals, the processing system is configured to cause the UE to: transmit, via the single transmit beam, the plurality of beam signals at respective times associated with the beam sweeping pattern.
  6. 6. The UE of claim 1, wherein the plurality of beam signals is associated with one or more sequences that are mapped continuously to frequency resources.
  7. 7. The UE of claim 1, wherein the plurality of beam signals is associated with one or more sequences that are mapped discontinuously to frequency resources.
  8. 8. The UE of claim 1, wherein the IUC request is associated with one or more IUC parameters including one or more of: a first parameter that enables the at least one IUC request to be associated with the plurality of beam signals, a second parameter that indicates a quantity of the set of transmit beams or a quantity of a set of one or more receive beams, a third parameter that indicates that the plurality of beam signals is to be transmitted via the set of transmit beams or received via the set of receive beams, a fourth parameter that indicates a transmit beam type associated with the set of transmit beams or a receive beam type associated with the set of receive beams, or a fifth parameter that indicates per-transmit-beam information associated with the set of transmit beams or per-receive-beam information associated with the set of receive beams.
  9. 9. The UE of claim 8, wherein the processing system is further configured to cause the UE to: receive or transmit a radio resource control message that includes a configuration of the one or more IUC parameters; receive or transmit a first media access control (MAC) control element (MAC-CE) that includes an indication to activate the one or more IUC parameters or an indication to deactivate the one or more IUC parameters; or transmit sidelink control information that includes a first indication of the one or more IUC parameters or a second MAC-CE that includes a second indication of the one or more IUC parameters.
  10. 10. The UE of claim 1, wherein the processing system is further configured to cause the UE to: transmit the sidelink communication via the target beam, wherein the target beam is a target transmit beam; or transmit the sidelink communication via a transmit beam associated with the target beam, wherein the target beam is a target receive beam.
  11. 11. A user equipment (UE) for wireless communication, comprising: a processing system that includes one or more processors and one or more memories coupled with the one or more processors, the processing system configured to cause the UE to: receive, via a set of one or more receive beams according to a beam sweeping pattern, a plurality of beam signals associated with at least one inter-UE coordination (IUC) request that includes an indication to perform one or more sensing operations for a transmission of a sidelink communication or one or more resource selection operations for the transmission of the sidelink communication; determine a target beam associated with measurements of the plurality of beam signals; and perform the one or more sensing operations or the one or more resource selection operations, wherein the one or more sensing operations or the one or more resource selection operations are associated with the target beam.
  12. 12. The UE of claim 11, wherein the measurements of the plurality of beam signals include one or more of measurements of beam signal received power associated with the plurality of beam signals or measurements of signal-to-interference-plus-noise ratios associated with the plurality of beam signals.
  13. 13. The UE of claim 11, wherein, to cause the UE to receive the plurality of beam signals via the set of receive beams, the processing system is configured to cause the UE to: receive the plurality of beam signals via a single receive beam, wherein the target beam is a target transmit beam of a plurality of transmit beams, and wherein the one or more sensing operations are associated with a receive beam associated with the target transmit beam or the one or more resource selection operations are associated with the receive beam associated with the target transmit beam.
  14. 14. The UE of claim 11, wherein the set of receive beams includes a plurality of receive beams, and wherein the target beam is a target receive beam of the plurality of receive beams.
  15. 15. The UE of claim 14, wherein the at least one IUC request includes a plurality of IUC requests respectively associated with the plurality of beam signals, and wherein the processing system is further configured to cause the UE to: receive, via the plurality of receive beams, the plurality of IUC requests.
  16. 16. The UE of claim 14, wherein the at least one IUC request is a single IUC request associated with the plurality of beam signals, and wherein the processing system is further configured to cause the UE to: receive, via an initial receive beam of the plurality of receive beams according to the beam sweeping pattern, the IUC request.
  17. 17. The UE of claim 11, wherein the processing system is further configured to cause the UE to: transmit IUC information, associated with the IUC request, that includes an indication of one or more selected resources associated with the one or more resource selection operations.
  18. 18. The UE of claim 11, wherein the processing system is further configured to cause the UE to: receive the sidelink communication via the target beam, wherein the target beam is a target receive beam; or receive the sidelink communication via a receive beam associated with the target beam, wherein the target beam is a target transmit beam.
  19. 19. A method for wireless communication by a user equipment (UE), comprising: transmitting, via a set of one or more transmit beams according to a beam sweeping pattern, a plurality of beam signals associated with at least one inter-UE coordination (IUC) request that includes an indication to perform one or more sensing operations for a transmission of a sidelink communication or one or more resource selection operations for the transmission of the sidelink communication; and receiving IUC information, associated with the at least one IUC request, that includes at least one of an indication of a resource set type, an indication of one or more resources associated with the resource set type, or an indication of a target beam associated with measurements of the plurality of beam signals.
  20. 20. The method of claim 19, further comprising: transmitting the sidelink communication via the target beam, wherein the target beam is a target transmit beam; or transmitting the sidelink communication via a transmit beam associated with the target beam, wherein the target beam is a target receive beam.

Description

BEAM-ASSOCIATED INTER-USER-EQUIPMENT COORDINATION CROSS-REFERENCE TO RELATED APPLICATION [0001] This Patent Application claims priority to U.S. Patent Application No. 18/343,412, filed on June 28, 2023, entitled “BEAM-ASSOCIATED INTER-USER-EQUIPMENT COORDINATION,” and assigned to the assignee hereof. The disclosure of the prior Application is considered part of and is incorporated by reference into this Patent Application. FIELD OF THE DISCLOSURE [0002] Aspects of the present disclosure generally relate to wireless communication and specifically, to techniques and apparatuses for beam-associated inter-user-equipment coordination. BACKGROUND [0003] Wireless communication systems are widely deployed to provide various telecommunication services such as telephony, video, data, messaging, and broadcasts. Typical wireless communication systems may employ multiple-access technologies capable of supporting communication with multiple users by sharing available system resources (for example, bandwidth or transmit power). 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] The above multiple access technologies have been adopted in various telecommunication standards to provide a common protocol that enables user equipment (UE) to communicate on a municipal, national, regional, or global level. New Radio (NR), which may be referred to as 5G, is a set of enhancements to the LTE mobile standard promulgated by the 3GPP. NR is designed to better support mobile broadband internet access by improving spectral efficiency, lowering costs, improving services, making use of new spectmm, and better integrating with other open standards using orthogonal frequency division multiplexing (OFDM) with a cyclic prefix (CP) (CP -OFDM) 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, as well as supporting beamforming, multiple -input multiple-output (MIMO) antenna technology, and carrier aggregation. As the demand for mobile broadband access continues to increase, further improvements in LTE, NR, and other radio access technologies remain useful. [0005] Sidelink transmissions between UEs may be impaired due to, for example, hidden nodes and beam misalignment. With respect to hidden nodes, a transmit UE may transmit sidelink control information (SCI) with a physical sidelink shared channel (PSSCH) via a transmit beam paired with a receive UE. Being transmitted via the transmit beam, the SCI is spatially filtered (or spatially isolated) in the direction of the transmission of the receive UE. For example, rather than broadcasting the SCI, the transmit UE may transmit the SCI within a narrow angular range that is associated with the transmission of the transmit UE. [0006] Therefore, hidden nodes (for example, other UEs) may not detect the SCI, which may impact sensing performance of the hidden nodes. For example, another UE may not sense the SCI and, thus, may select resources for a transmission from the other UE such that the transmission collides with a transmission from the transmit UE. As a result, the receive UE may experience strong interference due to the transmission from the other UE and may be unable to detect or decode the transmission from the transmit UE. [0007] With respect to beam misalignment, the transmit and receive UEs may be capable of dual mobility (for example, movement with respect to each other). Dual mobility may include rotation of one or both UEs or relative displacement between the transmit and receive UEs. Rotation can cause active beams (for example, the current paired transmit beam over which the transmit UE sends transmissions, or the current paired receive beam over which the receive UE receives transmissions) to become misaligned. For example, the transmit beam may rotate away from the direction of the receive UE, or the receive beam may rotate away from the direction of the transmit UE. Additionally or alternatively, relative displacement between the transmit and receive UEs may cause the active beams to become misaligned. Misaligned beams can render the receive UE unable to detect or decode sidelink transmissions from the transmit UE. SUMMARY [0008] Some aspects described herein relate to a user equipment (UE) for wireless communication. The UE may include a processing system that includes one or more processors and one o