Arch & Lake LLP
Channel access and scheduling for unlicensed carriers in a radio system
A wireless device receive, from a base station, one or more messages comprising configuration parameters of a cell. The configuration parameters indicate a plurality of slot groups of the cell. A medium access control control element is received. The medium access control control element comprises a parameter indicating a slot group of the plurality of slot groups. A downlink control information is received. The downlink control information indicates an uplink grant for one or more uplink slots of the slot group. A listen before talk (LBT) procedure is performed based on the uplink grant. In response to the LBT procedure indicating a clear channel, one or more transport blocks are transmitted on the one or more uplink slots of the slot group.
Beijing Xiaomi Mobile Software Co., Ltd.
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Esmael Hejazi Kyungmin Ali Cagatay Kai Hua Hyoungsuk Alireza
Dinan Park Cirik Xu Zhou Jeon Babaei