US 10,462,812 B2
Transmission scheduling for contention based carrier
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); and Wanshi Chen, San Diego, CA (US)
Assigned to QUALCOMM Incorporated, San Diego, CA (US)
Filed by QUALCOMM Incorporated, San Diego, CA (US)
Filed on Apr. 17, 2018, as Appl. No. 15/955,471.
Application 15/955,471 is a division of application No. 15/072,104, filed on Mar. 16, 2016.
Claims priority of provisional application 62/144,800, filed on Apr. 8, 2015.
Claims priority of provisional application 62/146,085, filed on Apr. 10, 2015.
Prior Publication US 2018/0235000 A1, Aug. 16, 2018
Int. Cl. H04W 72/12 (2009.01); H04W 72/04 (2009.01); H04W 74/00 (2009.01); H04W 74/08 (2009.01)
CPC H04W 72/1294 (2013.01) [H04W 72/04 (2013.01); H04W 72/1284 (2013.01); H04W 74/006 (2013.01); H04W 72/12 (2013.01); H04W 74/08 (2013.01)] 20 Claims
OG exemplary drawing
 
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.