	US 11,785,643 B2
	Physical random access channel procedure
Liangping Ma, San Diego, CA (US); Xiao Feng Wang, San Diego, CA (US); Peter Gaal, San Diego, CA (US); Alberto Rico Alvarino, San Diego, CA (US); Ayan Sengupta, San Diego, CA (US); Juan Montojo, San Diego, CA (US); Jun Ma, San Diego, CA (US); and Huilin Xu, San Diego, CA (US)
Assigned to QUALCOMM Incorporated, San Diego, CA (US)
Filed by QUALCOMM Incorporated, San Diego, CA (US)
Filed on Jan. 13, 2021, as Appl. No. 17/148,283.
Prior Publication US 2022/0225414 A1, Jul. 14, 2022
Int. Cl. H04W 74/08 (2009.01); H04B 7/06 (2006.01); H04L 27/26 (2006.01); H04L 41/0803 (2022.01)

CPC H04W 74/0833 (2013.01) [H04B 7/0602 (2013.01); H04L 27/2605 (2013.01); H04L 41/0803 (2013.01)]

30 Claims

1. An apparatus for wireless communication, comprising:

a memory comprising instructions; and

one or more processors configured to execute the instructions and cause the apparatus to:

obtain a random access channel configuration that indicates one or more physical random access channel (PRACH) formats associated with antenna switching from a first antenna to a second antenna; and

output for transmission a PRACH sequence using a PRACH format associated with antenna switching from the one or more PRACH formats associated with antenna switching.