Multi-layer control in new radio sidelink

    公开(公告)号:US12063623B2

    公开(公告)日:2024-08-13

    申请号:US17153697

    申请日:2021-01-20

    CPC classification number: H04W72/02 H04B7/0456 H04W72/1263 H04W72/20

    Abstract: Methods, systems, and devices for wireless communications are described. Wireless communications systems may support both access links and sidelinks (e.g., D2D communication links) for communications between one or more communication devices. Wireless devices may communicate sidelink control information in two stages, where first stage sidelink control information (SCI-1) may be transmitted via a physical sidelink channel and second stage sidelink control information (SCI-2) may be transmitted via a physical shared channel. In cases where sidelink communications use several (e.g., three or more) layers, the described layer mapping techniques may provide for robust transmission of control information, higher data rates, improved spectral efficiency, etc. For example, SCI-1 and/or SCI-2 may be mapped to physical channel layers by repeating the same modulation symbols across all layers, across groupings or sets of layers, across layers associated with each codeword, etc.

    Techniques for communicating data channel transmissions

    公开(公告)号:US12041000B2

    公开(公告)日:2024-07-16

    申请号:US17395442

    申请日:2021-08-05

    CPC classification number: H04L5/0048 H04L5/0078

    Abstract: Methods, systems, and devices for wireless communications are described. A base station may transmit, to a user equipment (UE), a control message in a first control channel occasion associated with a first quasi-colocation (QCL) property, the control message indicating a transmission of a data message within a threshold time period. The UE may receive, from the base station, an indication to skip monitoring of a second control channel occasion within the threshold time period and may receive the data message in accordance with a second QCL property, or drop reception of the data message, based on the indication. Additionally, or alternatively, the base station may transmit a message indicating a unified transmission configuration indicator (TCI) state associated with the second QCL property, and the UE may receive the data message in accordance with the second QCL property based on the unified TCI state.

    Multiplexing multi-bit feedback and single-bit feedback on an uplink shared channel

    公开(公告)号:US12035307B2

    公开(公告)日:2024-07-09

    申请号:US17394736

    申请日:2021-08-05

    CPC classification number: H04W72/1268 H04W72/23 H04B7/0417 H04B7/0619

    Abstract: Methods, systems, and devices for wireless communication are described. Some wireless communications systems may support configurations for grouping feedback information within a codebook. A user equipment (UE) may support one or more types of feedback. In some cases, the UE may generate subsets of feedback information within the codebook based on each type of feedback, which may increase overhead. To reduce overhead, the UE may receive signaling that indicates a configuration for grouping feedback information within a codebook. The UE may receive downlink messages that may be associated with a same set of uplink resources for transmitting a feedback message. The UE may generate a codebook to include one or more groups of feedback information in accordance with the configuration and based on the downlink messages. The UE may transmit the feedback message based on the codebook and via the set of uplink resources.

    Techniques for intra-user equipment and inter-user equipment cancellation of overlapping communications

    公开(公告)号:US12028872B2

    公开(公告)日:2024-07-02

    申请号:US18049518

    申请日:2022-10-25

    CPC classification number: H04W72/23 H04W72/21 H04W72/566

    Abstract: Methods, systems, and devices for wireless communications are described. Wireless communications systems may employ one or more scheduling constraints to support efficient utilization of techniques for intra-device handling of overlapping scheduled uplink transmissions (e.g., intra-device dynamic resource cancelation and multiplexing) as well as inter-device handling of overlapping scheduled uplink transmissions (e.g., inter-device dynamic resource cancelation and multiplexing). Scheduling constraints may define how a device may apply intra-device and inter-device multiplexing and cancelation rules for various scenarios. For example, a device may apply intra-UE cancelation rules before inter-device cancelation rules. In some examples, later-received grants or uplink preemption indications (ULPIs) may not change a device's previously established decision to drop an uplink transmission. As another example, a device may not expect to receive a grant for an uplink transmission that would arise in subsequent cancelation of that uplink transmission due to a previously-received grant or previously-received ULPI.

    PER-RESOURCE TYPE CROSS LINK INTERFERENCE REFERENCE SIGNAL CONFIGURATION

    公开(公告)号:US20240205712A1

    公开(公告)日:2024-06-20

    申请号:US18069211

    申请日:2022-12-20

    CPC classification number: H04W24/10 H04B17/336 H04L5/14

    Abstract: Methods, systems, and devices for wireless communication are described. A wireless communication device (e.g., a user equipment (UE)) may receive information indicative of sets of resources for performing a cross link interference (CLI) measurement during one or more subband full-duplex (SBFD) symbols or one or more non-SBFD symbols. Additionally, the information may indicate additional sets of resources for reporting results of the CLI measurement. The wireless communication device may perform the CLI measurement using one of the sets of resources based on whether the CLI measurement is performed in one or more SBFD symbols or one or more non-SBFD symbols. In some examples, the wireless communication device may transmit a report indicating the results of the CLI measurement using a respective additional set of resources.

    Default beam identification and beam failure detection in cross carrier scheduling

    公开(公告)号:US12015999B2

    公开(公告)日:2024-06-18

    申请号:US17895851

    申请日:2022-08-25

    CPC classification number: H04W72/044 H04W24/10 H04W72/23

    Abstract: Methods, systems, and devices for wireless communications are described. A base station may transmit a first downlink grant (e.g., a PDCCH transmission) for a first data transmission (e.g., a PDSCH transmission) over a first component carrier; the first data transmission over a second component carrier; and a second downlink grant (e.g., another PDCCH transmission) for a second data transmission (e.g., another PDSCH transmission) over the second component carrier. A user equipment (UE) receives the first data transmission over a first beam and may use the first beam for receiving the second data transmission. Additionally or alternatively, the UE may receive a configuration message indicating a set of TCI states for downlink data transmissions to the UE; identify one or more reference signals monitor for beam failure detection (BFD), identify one or more BFD beams, monitor the identified one or more reference signals; and selectively trigger a beam failure reporting procedure.

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