US Patent No. 10,172,157

PUCCH MANAGEMENT FOR ENHANCED CARRIER AGGREGATION


Patent No. 10,172,157
Issue Date January 01, 2019
Title Pucch Management For Enhanced Carrier Aggregation
Inventorship Wanshi Chen, San Diego, CA (US)
Jelena Damnjanovic, Del Mar, CA (US)
Madhavan Srinivasan Vajapeyam, San Diego, CA (US)
Peter Gaal, San Diego, CA (US)
Hao Xu, San Diego, CA (US)
Assignee Qualcomm Incorporated, San Diego, CA (US)

Claim of US Patent No. 10,172,157

1. A method of wireless communication, comprising:receiving data via a first group of component carriers (CCs) of a plurality of groups of aggregated CCs, the first group of CCs corresponding to unlicensed or shared frequencies;
selecting a CC from at least two CCs of the first group of CCs for transmission on a physical uplink control channel (PUCCH), wherein the selection of the CC is based on at least an uplink-transmission clearance procedure performed on each of the at least two CCs, wherein the CC is furtherselected based on a first comparison of an earliest uplink subframe index associated with each of the at least two CCs or based on a second comparison of a cell index associated with each of the at least two CCs when the earliest uplink subframe index is the same for the at least two CCs; and
transmitting uplink information on the PUCCH via the selected CC to a base station.