Channel access procedures in a wireless network

    公开(公告)号:US12207298B2

    公开(公告)日:2025-01-21

    申请号:US17068347

    申请日:2020-10-12

    Applicant: Ofinno, LLC

    Abstract: A base station performs channel access procedures for transmission on the plurality of LAA cells comprising a first cell group and a second cell group. The channel access procedures comprising a first channel access procedure of a first cell of the first cell group. The first channel access procedure is dependent on a second channel access procedure of a second cell of the first cell group and is independent of a third channel access procedure of a third cell of the second cell group.

    Contention Resolution Window Size Based on Uplink Carrier Switching

    公开(公告)号:US20240205964A1

    公开(公告)日:2024-06-20

    申请号:US18230217

    申请日:2023-08-04

    Applicant: Ofinno, LLC

    CPC classification number: H04W74/0808 H04W72/23

    Abstract: A wireless device may receive one or more radio resource control (RRC) messages comprising configuration parameters of a first uplink carrier and a second uplink carrier of an unlicensed cell. Based on switching from the first uplink carrier to the second uplink carrier and a priority class of a listen-before-talk (LBT) procedure for a first transmission of a transport block on the second uplink carrier, the wireless device may determine a contention window to be a minimum contention window of a plurality of contention windows for the LBT procedure. The wireless device may transmit, via the second uplink carrier, the transport block based on the LBT procedure using the contention window.

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