US 12,009,962 B2
Changing the phase tracking reference signal (PTRS) pattern over different symbols
Ahmed Abdelaziz Ibrahim Abdelaziz Zewail, San Diego, CA (US); Zhifei Fan, San Diego, CA (US); Xiaoxia Zhang, San Diego, CA (US); Tao Luo, San Diego, CA (US); Jing Sun, San Diego, CA (US); and Wooseok Nam, San Diego, CA (US)
Assigned to QUALCOMM Incorporated, San Diego, CA (US)
Filed by QUALCOMM Incorporated, San Diego, CA (US)
Filed on Sep. 23, 2021, as Appl. No. 17/448,666.
Claims priority of provisional application 63/088,252, filed on Oct. 6, 2020.
Claims priority of provisional application 63/088,318, filed on Oct. 6, 2020.
Prior Publication US 2022/0109601 A1, Apr. 7, 2022
Int. Cl. H04L 27/26 (2006.01)
CPC H04L 27/2675 (2013.01) [H04L 27/26025 (2021.01); H04L 27/2613 (2013.01)] 50 Claims
OG exemplary drawing
 
1. A method of wireless communications by a first wireless node, comprising:
identifying different patterns of phase tracking reference signal (PTRS) tones to monitor for a PTRS;
determining when to change at least one of the different patterns of the PTRS tones from one symbol of a slot to another symbol of the slot; and
monitoring for the PTRS, from a second wireless node, according to the determination.