US 11,071,147 B2
Backoff procedure in random access
Linhai He, San Diego, CA (US)
Assigned to QUALCOMM Incorporated, San Diego, CA (US)
Filed by QUALCOMM Incorporated, San Diego, CA (US)
Filed on Aug. 7, 2019, as Appl. No. 16/534,799.
Claims priority of provisional application 62/716,244, filed on Aug. 8, 2018.
Prior Publication US 2020/0053794 A1, Feb. 13, 2020
Int. Cl. H04L 12/28 (2006.01); H04W 74/08 (2009.01); H04W 74/00 (2009.01); H04W 72/12 (2009.01); H04W 72/04 (2009.01); H04W 74/02 (2009.01); H04J 1/16 (2006.01)
CPC H04W 74/0833 (2013.01) [H04W 72/0446 (2013.01); H04W 72/1205 (2013.01); H04W 74/006 (2013.01); H04W 74/02 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method for wireless communications by a user equipment (UE), comprising:
sending a first random access preamble to a base station (BS) during a first random access procedure;
receiving a random access response from the BS including a backoff indicator; and
determining whether to send a second random access preamble to the BS during a backoff period based, at least in part, on a type of the first random access procedure.