US 11,888,775 B2
Time and frequency tracking reference signals in new radio
Yifan Li, Conshohocken, PA (US); Lakshmi R. Iyer, King of Prussia, PA (US); Joseph M. Murray, Schwenksville, PA (US); Allan Y. Tsai, Boonton, NJ (US); Guodong Zhang, Woodbury, NY (US); and Qing Li, Princeton Junction, NJ (US)
Assigned to InterDigital Patent Holdings, Inc., Wilmington, DE (US)
Filed by InterDigital Patent Holdings, Inc, Wilmington, DE (US)
Filed on Jun. 23, 2022, as Appl. No. 17/847,644.
Application 17/847,644 is a continuation of application No. 16/650,892, abandoned, previously published as PCT/US2018/053462, filed on Sep. 28, 2018.
Claims priority of provisional application 62/565,829, filed on Sep. 29, 2017.
Prior Publication US 2022/0416972 A1, Dec. 29, 2022
Int. Cl. H04L 5/00 (2006.01); H04L 27/26 (2006.01); H04W 16/14 (2009.01); H04W 72/0446 (2023.01); H04W 72/23 (2023.01)
CPC H04L 5/0048 (2013.01) [H04L 5/0023 (2013.01); H04L 27/2613 (2013.01); H04W 16/14 (2013.01); H04W 72/0446 (2013.01); H04W 72/23 (2023.01); H04L 5/0051 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A wireless transmit/receive unit (WTRU) comprising a processor and memory storing instructions which, when executed by the processor, cause the WTRU to perform operations comprising:
receiving a tracking reference signal comprising resources located in one or more slots, wherein the resources are located in one or more symbols used for receiving a demodulation reference signal, and
wherein the one or more symbols in which the resources of the tracking reference signal are located are within a first five symbols in each of the one or more slots.