US 10,433,339 B2
Random access for low latency wireless communications
Shimman Arvind Patel, San Diego, CA (US); Wanshi Chen, San Diego, CA (US); and Aleksandar Damnjanovic, Del Mar, CA (US)
Assigned to QUALCOMM Incorporated, San Diego, CA (US)
Filed by QUALCOMM Incorporated, San Diego, CA (US)
Filed on Apr. 5, 2016, as Appl. No. 15/90,859.
Claims priority of provisional application 62/147,408, filed on Apr. 14, 2015.
Prior Publication US 2016/0309518 A1, Oct. 20, 2016
Int. Cl. H04W 74/00 (2009.01); H04W 74/08 (2009.01)
CPC H04W 74/0833 (2013.01) [H04W 74/0891 (2013.01); H04W 74/002 (2013.01)] 30 Claims
OG exemplary drawing
 
1. A method for wireless communication, comprising:
receiving signaling indicative of a set of physical random access channel (PRACH) procedures for use in accessing a wireless communications network, the set of PRACH procedures including at least a first PRACH procedure and a second PRACH procedure, wherein the first PRACH procedure supports access to the wireless communications network with a total of two random access messages and the second PRACH procedure supports access to the wireless communications network with a total of more than two random access messages, a random access message associated with the first PRACH procedure being based at least in part on a first random access message and a second random access message associated with the second PRACH procedure;
selecting the first PRACH procedure of the set of PRACH procedures based at least in part on the received signaling; and
transmitting the random access message according to the selected PRACH procedure.