US Patent No. 10,798,735

ENHANCED LICENSED ASSISTED ACCESS UPLINK CHANNEL ACCESS


Patent No. 10,798,735
Issue Date October 06, 2020
Title Enhanced Licensed Assisted Access Uplink Channel Access
Inventorship Srinivas Yerramalli, San Diego, CA (US)
Tao Luo, San Diego, CA (US)
Xiaoxia Zhang, San Diego, CA (US)
Peter Gaal, San Diego, CA (US)
Assignee QUALCOMM Incorporated, San Diego, CA (US)

Claim of US Patent No. 10,798,735

1. A method of wireless communication, comprising:determining, by an evolved Node B (eNB), a type of a Listen Before Talk (LBT) from multiple types of LBT to set in an uplink (UL) grant scheduled for transmission on a first frequency (F1);
setting, by the eNB based on the determined type, a LBT indication in the UL grant to correspond to a condition associated with a predetermined time window on a second frequency (F2) allocated for a downlink transmission; and
transmitting, by the eNB, the UL grant on the F1 to a user equipment (UE), wherein the UL grant allocates uplink resources on the F2 for the UE beginning at time T that overlaps the predetermined time window.