US 12,114,360 B2
Resource selection for random access
Junsheng Han, Sunnyvale, CA (US); Muhammad Nazmul Islam, Littleton, MA (US); Raghu Narayan Challa, San Diego, CA (US); Mihir Vijay Laghate, San Diego, CA (US); Amir Aminzadeh Gohari, Sunnyvale, CA (US); and Alexei Yurievitch Gorokhov, San Diego, CA (US)
Filed by QUALCOMM Incorporated, San Diego, CA (US)
Filed on Mar. 13, 2020, as Appl. No. 16/818,796.
Prior Publication US 2021/0289558 A1, Sep. 16, 2021
Int. Cl. H04W 74/0833 (2024.01); H04W 56/00 (2009.01)
CPC H04W 74/0833 (2013.01) [H04W 56/001 (2013.01)] 30 Claims
OG exemplary drawing
 
1. A method for wireless communication at a user equipment (UE), comprising:
determining to perform a random access procedure with a base station;
receiving a plurality of synchronization signal blocks of a set of synchronization signal blocks, wherein each random access occasion of a set of random access occasions corresponds to at least one synchronization signal block of the set of synchronization signal blocks;
determining, for at least one synchronization signal block of the plurality of synchronization signal blocks, a received power and a value of one or more additional parameters for random access occasion selection, wherein the one or more additional parameters comprise a congestion parameter for a first synchronization signal block of the plurality of synchronization signal blocks;
determining a value of the congestion parameter based at least in part on a backoff indication from the base station, a quantity of contention resolution failures, a quantity of medium access control subheaders in a random access response, or any combination thereof; and
transmitting, to the base station, a first message of the random access procedure in a random access occasion selected from the set of random access occasions, wherein the random access occasion is selected based at least in part on the received power and the value of the congestion parameter.