US 11,950,230 B2
Control channel and reference signal transmission in wireless networks
Hong He, San Jose, CA (US); Chunhai Yao, Beijing (CN); Chunxuan Ye, San Diego, CA (US); Dawei Zhang, Saratoga, CA (US); Haitong Sun, Cupertino, CA (US); Huaning Niu, San Jose, CA (US); Jie Cui, San Jose, CA (US); Oghenekome Oteri, San Diego, CA (US); Seyed Ali Akbar Fakoorian, San Diego, CA (US); Sigen Ye, Whitehouse Station, NJ (US); Wei Zeng, Saratoga, CA (US); Weidong Yang, San Diego, CA (US); and Yushu Zhang, Beijing (CN)
Assigned to Apple Inc., Cupertino, CA (US)
Filed by Apple Inc., Cupertino, CA (US)
Filed on Sep. 15, 2022, as Appl. No. 17/945,941.
Application 17/945,941 is a division of application No. 17/440,660, previously published as PCT/CN2021/085512, filed on Apr. 5, 2021.
Prior Publication US 2023/0025637 A1, Jan. 26, 2023
Int. Cl. H04W 72/1273 (2023.01); H04L 5/00 (2006.01); H04W 24/08 (2009.01); H04W 72/20 (2023.01)
CPC H04W 72/1273 (2013.01) [H04L 5/0051 (2013.01); H04W 24/08 (2013.01); H04W 72/20 (2023.01)] 20 Claims
OG exemplary drawing
 
1. A method of operating a base station, the method comprising:
generating an information element to include an indication of whether frequency domain (FD)-code division multiplexing (CDM) is enabled for a user equipment (UE);
transmitting the information element to the UE;
mapping one or more reference signals to one or more resource elements based on whether FD-CDM is enabled; and
transmitting the one or more reference signals.