US Patent No. 10,462,812

TRANSMISSION SCHEDULING FOR CONTENTION BASED CARRIER


Patent No. 10,462,812
Issue Date October 29, 2019
Title Transmission Scheduling For Contention Based Carrier
Inventorship Aleksandar Damnjanovic, Del Mar, CA (US)
Tao Luo, San Diego, CA (US)
Srinivas Yerramalli, San Diego, CA (US)
Peter Gaal, San Diego, CA (US)
Hao Xu, Beijing (CN)
Wanshi Chen, San Diego, CA (US)
Assignee QUALCOMM Incorporated, San Diego, CA (US)

Claim of US Patent No. 10,462,812

1. A method of wireless communication, comprising:receiving a provisional grant uplink (UL) assignment at a user equipment (UE), wherein the provisional grant UL assignment identifies uplink resources for UL transmission by the UE;
performing a clear channel assessment (CCA) operation on a secondary component carrier (SCC) based on the provisional grant UL assignment, the SCC being a contention-based carrier;
transmitting a schedule request (SR), after receiving the provisional grant UL assignment, on the SCC when the CCA operation succeeds;
receiving a grant confirmation on the SCC in response to the SR; and
transmitting data on the SCC after receiving the grant confirmation.