US 11,695,595 B2
Phase tracking for initial access
Yiqing Cao, Beijing (CN); Xiao Feng Wang, San Diego, CA (US); Huilin Xu, Temecula, CA (US); and Hung Dinh Ly, San Diego, CA (US)
Assigned to QUALCOMM Incorporated, San Diego, CA (US)
Appl. No. 17/594,646
Filed by QUALCOMM Incorporated, San Diego, CA (US)
PCT Filed May 15, 2020, PCT No. PCT/CN2020/090436
§ 371(c)(1), (2) Date Oct. 25, 2021,
PCT Pub. No. WO2020/238650, PCT Pub. Date Dec. 3, 2020.
Claims priority of application No. PCT/CN2019/089169 (WO), filed on May 30, 2019.
Prior Publication US 2022/0200823 A1, Jun. 23, 2022
Int. Cl. H04L 5/00 (2006.01); H04L 25/02 (2006.01)
CPC H04L 25/0226 (2013.01) [H04L 5/0048 (2013.01); H04L 25/0228 (2013.01)] 30 Claims
OG exemplary drawing
 
1. A method of wireless communication performed by a user equipment (UE), comprising:
receiving an indication that a high Doppler configuration is activated; and
detecting, based at least in part on receiving the indication that the high Doppler configuration is activated, a phase tracking reference signal (PTRS) for a remaining minimum system information (RMSI) communication,
wherein the PTRS is configured by the high Doppler configuration.