RESOURCE RE-SELECTION BASED ON PRE-CONFLICT INDICATION

    公开(公告)号:US20240292432A1

    公开(公告)日:2024-08-29

    申请号:US18573643

    申请日:2021-08-27

    CPC classification number: H04W72/25 H04L43/0852

    Abstract: Methods, systems, and devices for wireless communications are described. A first user equipment (UE) may transmit a control message indicating reservation of a first resource of a sidelink channel for a sidelink transmission. The first UE may receive a pre-conflict indication for the first resource based on the control message. In some cases, the first UE may disregard the pre-conflict indication, or may not disregard the conflict indication based on one or more factors. The first UE may perform resource re-selection to select a second resource for the sidelink transmission if the first UE receives the conflict indication at least a threshold amount of time prior to the first resource, and may transmit using the second resource. Otherwise, the first UE may report a negative acknowledgement (NACK) message from a physical (PHY) layer to a medium access control (MAC) layer.

    DISTANCE-BASED NACK PROCEDURES IN A VEHICULAR PLATOON

    公开(公告)号:US20240259142A1

    公开(公告)日:2024-08-01

    申请号:US18561237

    申请日:2021-07-21

    CPC classification number: H04L1/1854 H04L1/1864 H04L1/1896 H04L5/0055

    Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE), such as a vehicle UE may receive an indication of a change in a formation of a vehicle grouping, such as a platoon, with which the UE is associated, the vehicle grouping including a plurality of vehicles moving as a group based on sidelink communications between members of the group. The UE may determine a distance-based feedback procedure to be used by the UE based on whether the UE is, as a result of the change in the formation, a primary vehicle in the vehicle grouping or a secondary vehicle that is responsive to one or more primary vehicles in the vehicle grouping, and may operate in accordance with the distance-based feedback procedure.

    RSRP-BASED CONFLICT INDICATION FOR SIDELINK INTER-UE COORDINATION

    公开(公告)号:US20240251430A1

    公开(公告)日:2024-07-25

    申请号:US18560645

    申请日:2021-07-22

    CPC classification number: H04W72/25 H04W72/0473 H04W72/566

    Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive a first sidelink control information (SCI) from a second UE and a second SCI from a third CE, the first SCI may indicate a first set of resources and the second SCI may indicate a second set of resources that at least partially overlap with the first set of resources. The sets of resources may indicate resources reserved by the UEs for sidelink communications. The first UE may measure a first received power associated with the second UE or a second received power associated with the third UE, or both, based on the overlap and may transmit, to the second UE and/or the third UE, an indication of a conflict based on the first received power and/or the second received power satisfying a condition.

    FEEDBACK REPORT FOR SIDELINK COMMUNICATIONS USING CARRIER AGGREGATION

    公开(公告)号:US20250142387A1

    公开(公告)日:2025-05-01

    申请号:US18693909

    申请日:2021-11-11

    Abstract: Methods, systems, and devices for wireless communication at a user equipment (UE) are described. A first user equipment (UE) may transmit one or more sidelink messages via multiple component carriers configured for sidelink communications for the first UE. The first UE may receive. from a second UE. one or more feedback messages associated with the one or more sidelink messages. The first UE may then transmit. to the base station, a feedback report that indicates feedback associated with at least one of the one or more sidelink messages. In some examples. the feedback report may be based on the one or more feedback messages received from the second UE.

    Beam training for bi-directional full-duplex sidelink communication

    公开(公告)号:US12267136B2

    公开(公告)日:2025-04-01

    申请号:US18039465

    申请日:2021-02-19

    Abstract: The apparatus may be a first UE. The first UE may determine a first set of candidate BPLs associated with a first SL and a second set of candidate BPLs associated with a second SL. The first UE may further determine a configuration for FD beam training based on the determined first set of candidate BPLs and the determined second set of candidate BPLs, the FD beam training configuration may include multiple instances for which the first UE transmits and receives RS at a same time. The apparatus may also select, based on the determined FD beam training configuration, a first BPL in the first set of candidate BPLs for the first SL and a second BPL in the second set of candidate BPLs for the second SL. The first UE may establish FD communication with the second UE based on the selected first BPL and the selected second BPL.

    Unicast coordination for spatial division multiplexing communications

    公开(公告)号:US12206483B2

    公开(公告)日:2025-01-21

    申请号:US18043557

    申请日:2020-10-07

    Abstract: Methods, systems, and devices for wireless communications are described. A first user equipment (UE) may establish multiple unicast connections with multiple other UEs. The first UE may then determine individual sets of transmission parameters for each of the multiple other UEs, where the individual sets of transmission parameters may enable the first UE to receive transmissions from the multiple other UEs on a same set of time and frequency resources via a spatial division multiplexing scheme. For example, each of the individual sets of transmission parameters may include a transmission schedule adjustment, a transmit power, a transmit time, an indication of the time and frequency resources, or a combination thereof. The first UE may then transmit each of the individual sets of transmission parameters to a respective UE of the multiple other UEs.

    MULTIPLE TRP SIDELINK TTP INDICATION TO ENABLE AGC PREDICTION

    公开(公告)号:US20230189240A1

    公开(公告)日:2023-06-15

    申请号:US18000344

    申请日:2021-05-29

    CPC classification number: H04W72/0473 H04W72/25 H04W52/52

    Abstract: In one aspect, a method of wireless communication includes transmitting, by a wireless communication device, a transmission using a first set of transmission resources, wherein the transmission includes an indication of a second set of one or more of transmission resources in the future that the wireless communication device intends to use for one or more second transmissions, and wherein the transmission includes a total transmit power QCL indication for at least one transmission of the one or more second transmissions. The method further includes transmitting, by the wireless communication device, a particular transmission of the one or more second transmissions using a particular set of transmission resources of the second set of one or more of transmission resources based on the total transmit power QCL indication. In another aspect, a transmit power configuration indication may be sent in place of the total transmit power QCL indication, as a generalization and extension of the TTP QCL indication. Other aspects and features are also claimed and described.

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