Techniques for Node Directed Uplink (UL) Cancellation and Channel Access in Unlicensed Bands

    公开(公告)号:US20230156771A1

    公开(公告)日:2023-05-18

    申请号:US17593750

    申请日:2020-08-05

    Applicant: Apple Inc.

    CPC classification number: H04W72/56 H04W74/0808 H04W16/14 H04W72/1268

    Abstract: A technique for wireless communications in a wireless system including: receiving, from a first user device, cancellation capability information, receiving, from a second user device, unlicensed frequency transmission capability information, receiving, from the first user device, an uplink transmission over an unlicensed frequency band, determining, a need for a higher priority uplink transmission by the second user device, scheduling an uplink cancellation time for the first user device based on the cancellation capability information and unlicensed frequency transmission capability information, scheduling an uplink transmission time for the second user device based on the cancellation capability information and unlicensed frequency transmission capability information, transmitting an uplink cancellation request to the first user device based on the scheduled uplink cancellation time, and transmitting an uplink transmission time for the higher priority uplink transmission to the second user device based on the scheduled uplink transmission time.

    UE Uplink Panel Selection Framework
    587.
    发明公开

    公开(公告)号:US20230155660A1

    公开(公告)日:2023-05-18

    申请号:US17916884

    申请日:2020-04-08

    Applicant: Apple Inc.

    CPC classification number: H04B7/0695 H04B7/0691

    Abstract: Apparatuses, systems, and methods for user equipment device (UE) uplink antenna panel selection. The UE may determine, based on at least one condition, to perform a beam switch from a current beam being used for communications with a base station. The UE may transmit, to the base station, an indication of an antenna panel status that may include an indication of a latency associated with the beam switch. The UE may receive, from the base station, an indication to switch to a target beam and to perform the switch, based on the indication, to the target beam. The indication of the antenna panel status may include a beam switching latency level for each beam in a beam report, a beam switch request that may indicate the target beam, and/or a beam switch request that may indicate that an antenna panel switch is to be applied by the UE.

    Latency Reduction in a Multi-Beam Wireless Communication System

    公开(公告)号:US20230148159A1

    公开(公告)日:2023-05-11

    申请号:US17911980

    申请日:2020-04-08

    Applicant: Apple Inc.

    CPC classification number: H04B7/0626 H04B7/0632 H04L5/0051

    Abstract: This disclosure relates to techniques for reducing latency in a multi-beam wireless communication system. A cellular base station may configure a wireless device to perform beam and channel state information measurements using beam management reference signals. The cellular base station may provide the beam management reference signals. The wireless device may perform beam measurements and channel state information measurements using the beam management reference signals. The wireless device may provide a channel state information report to the cellular base station based on the channel state information measurements performed using the beam management reference signals.

    INTER-DEVICE COMMUNICATION
    590.
    发明公开

    公开(公告)号:US20230143434A1

    公开(公告)日:2023-05-11

    申请号:US17903374

    申请日:2022-09-06

    Applicant: Apple Inc.

    CPC classification number: H04W74/0808 H04W72/0446

    Abstract: Methods, systems, and apparatus, including computer programs encoded on computer storage media, for communications between user equipment. One of the methods includes receiving, by a first device and from a second device, sidelink control information indicating a resource reservation for a single-slot resource for the second device to use to communicate with the first device; determining, by the first device and based at least in part on the sidelink control information, whether a potential resource collision exists when the first device is scheduled to communicate with another device using the single-slot resource or when the single-slot resource is reserved by another device; and in response to determining that the potential resource collision exists, sending, by the first device and within a predetermined number of slots from a reference slot, a collision message to cause the second device to determine another single-slot resource to use to communicate with the first device.

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