US Patent No. 10,893,540


Patent No. 10,893,540
Issue Date January 12, 2021
Title Random Access Channel Procedures With Multiple Carriers
Inventorship Sony Akkarakaran, Poway, CA (US)
Tao Luo, San Diego, CA (US)
Makesh Pravin John Wilson, San Diego, CA (US)
Sumeeth Nagaraja, San Diego, CA (US)
Xiao Feng Wang, San Diego, CA (US)
Kaushik Chakraborty, San Diego, CA (US)
Wooseok Nam, San Diego, CA (US)
Shengbo Chen, San Diego, CA (US)
Juan Montojo, San Diego, CA (US)
Assignee QUALCOMM Incorporated, San Diego, CA (US)

Claim of US Patent No. 10,893,540

1. A method for wireless communication at a user equipment (UE), comprising:receiving, from a first base station, an indication of a set of component carriers for the UE to use to receive, from a second base station, a response to a first random access channel (RACH) transmission, wherein the set of component carriers include at least two quasi co-located component carriers transmitted by at least two antenna ports, the at least two quasi-co-located component carriers associated with a receive beam;
transmitting the first RACH transmission to the second base station; and
receiving, using one or more of the set of component carriers on the receive beam, the second RACH transmission responsive to the first RACH transmission.