GRADUAL TIMING ADJUSTMENT FOR COMMUNICATION IN NTN

    公开(公告)号:US20230269685A1

    公开(公告)日:2023-08-24

    申请号:US18048667

    申请日:2022-10-21

    CPC classification number: H04W56/0045 H04W84/06

    Abstract: In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus at a user equipment (UE) in a non-terrestrial network (NTN) are provided. The UE may be configured to receive one or more timing advance (TA) commands from an NTN. In response to a transmission timing error between a transmission TA of the UE and a reference timing exceeding a threshold, the UE may be configured to transmit an uplink transmission with a timing change having a total timing adjustment, other than a propagation delay adjustment due to an NTN node position update and a network-controlled common TA value, that satisfies one or more threshold requirements.

    SATELLITE TRACKING RELATED METHODS
    133.
    发明公开

    公开(公告)号:US20230261717A1

    公开(公告)日:2023-08-17

    申请号:US18003584

    申请日:2020-09-02

    CPC classification number: H04B7/0628 H04W72/51 H04W72/21

    Abstract: Methods, systems, and devices for wireless communications are described Generally, the described techniques provide for a user equipment (UE) to perform a beam switching operation from a current beam to a target beam based on a beam switching duration. The UE may transmit a capability report that may include an antenna pointing capability, a list of one or more detailed capabilities, or both to another device, such as a network entity (e.g., a satellite). The UE may perform the beam switching operation based on the capability report. The UE may perform a random access procedure as part of a change of association operation. The UE may receive a control message from the other device, which may be the network entity, that includes an identity of a target network entity, one or more resources for the random access procedure, an indication of the beam switching duration, or any combination.

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