CPC H04W 74/0808 (2013.01) [H04W 72/0446 (2013.01); H04W 72/1268 (2013.01); H04W 16/14 (2013.01)] | 20 Claims |
1. A method comprising:
determining, by a wireless device, a reference duration for contention window adjustment, wherein the reference duration is from a beginning of a channel occupancy and until an end of a first slot where at least one physical uplink shared channel (PUSCH) is transmitted;
determining a contention window value based on one or more new data indicators (NDIs) of one or more first transport blocks transmitted during the reference duration;
performing a listen before talk (LBT) procedure based on the contention window value; and
transmitting one or more second transport blocks based on the LBT procedure indicating a clear channel.
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