JOINT FAILURE OF COMPONENT CARRIER (CC) GROUPS

    公开(公告)号:US20210105060A1

    公开(公告)日:2021-04-08

    申请号:US17033079

    申请日:2020-09-25

    Abstract: Certain aspects of the present disclosure provide techniques for beam failure detection and recovery. A method that may be performed by a user equipment (UE) includes monitoring one or more reference signals for beam failure detection for a plurality of component carriers (CCs), detecting a beam failure for a subset of one or more CCs of the plurality of CCs based on the one or more reference signals, generating a beam failure recovery request (BFRQ) indicating that a beam failure has occurred for the plurality of CCs in response to the detection of the beam failure for the subset of one or more CCs, and transmitting the BFRQ.

    FULL-DUPLEX WIRELESS COMMUNICATION USING BEAMFORMING

    公开(公告)号:US20210099215A1

    公开(公告)日:2021-04-01

    申请号:US16590010

    申请日:2019-10-01

    Abstract: Certain aspects of the present disclosure provide systems and techniques for full-duplex communication. A first system is characterized by techniques for communicating in full-duplex utilizing the Butler matrix beamformer for generating a spatial beam to be used for both uplink and downlink signaling, wherein the signaling utilizes the same time and frequency resources. A second system is characterized by techniques for communicating in full-duplex utilizing the Butler matrix beamformer to generate two spatial beams, one to be used for downlink and one to be used for uplink signaling, wherein the signaling utilizes the same time and frequency resources. Accordingly, the systems and techniques described herein are directed to low complexity, multi-user full-duplex communications.

    SYSTEM AND METHOD FOR DETERMINING CHANNEL STATE INFORMATION

    公开(公告)号:US20210091838A1

    公开(公告)日:2021-03-25

    申请号:US17021952

    申请日:2020-09-15

    Abstract: In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may receive at least two reference signals from a base station. The apparatus may determine CSI associated with at least one of the at least two reference signals. The apparatus may determine at least one parameter based on the CSI. The apparatus may transmit, to the base station, the at least one parameter and the CSI to enable a predicted CSI to be determined based on the at least one parameter and the CSI. The apparatus may receive data or control information from the base station based on predictive CSI determined by the base station using the transmitted at least one parameter and CSI.

    TRANSMISSION CONFIGURATION INDICATOR STATE ACTIVATION AND DEACTIVATION

    公开(公告)号:US20210067306A1

    公开(公告)日:2021-03-04

    申请号:US16947988

    申请日:2020-08-26

    Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive an activation status message identifying one or more transmission configuration indicator (TCI) states or one or more spatial relationships, the activation status message being configured to alter one or more activation statuses for the one or more TCI states or the one or more spatial relationships in a single bandwidth part associated with a single component carrier; and selectively alter the one or more activation statuses of the one or more TCI states or the one or more spatial relationships in a plurality of bandwidth parts associated with a plurality of component carriers based at least in part on receiving the activation status message. Numerous other aspects are provided.

    BEAM FAILURE RECOVERY IN A SECONDARY CELL

    公开(公告)号:US20210067229A1

    公开(公告)日:2021-03-04

    申请号:US16947915

    申请日:2020-08-24

    Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may transmit a beam failure recovery scheduling request (BFR-SR) to a primary cell or a primary secondary cell base station based at least in part on detecting a beam failure associated with a secondary cell (SCell) link between the UE and an SCell base station. The UE may start a timer based at least in part on transmitting the BFR-SR. The UE may retransmit the BFR-SR based at least in part on the timer expiring prior to the UE receiving a response to acknowledge the BFR-SR and schedule transmission of a medium access control (MAC) control element (MAC-CE) including information to recover from the beam failure and/or the timer expiring prior to the UE transmitting the MAC-CE. Numerous other aspects are provided.

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