US 11,757,506 B2
Beamforming management in wireless networks
Yushu Zhang, Beijing (CN); Yuan Zhu, Beijing (CN); Gang Xiong, Portland, OR (US); Ralf Bendlin, Portland, OR (US); and Jong-Kae Fwu, Sunnyvale, CA (US)
Assigned to Apple Inc., Cupertino, CA (US)
Filed by Apple Inc., Cupertino, CA (US)
Filed on Sep. 20, 2021, as Appl. No. 17/480,049.
Application 17/480,049 is a continuation of application No. 15/747,010, granted, now 11,159,213, previously published as PCT/US2015/000376, filed on Dec. 26, 2015.
Claims priority of provisional application 62/210,139, filed on Aug. 26, 2015.
Prior Publication US 2022/0006498 A1, Jan. 6, 2022
Int. Cl. H04B 7/06 (2006.01); H04B 7/0408 (2017.01); H04B 7/0456 (2017.01); H04L 5/00 (2006.01); H04W 84/04 (2009.01)
CPC H04B 7/0617 (2013.01) [H04B 7/0408 (2013.01); H04B 7/0456 (2013.01); H04B 7/063 (2013.01); H04B 7/0626 (2013.01); H04L 5/0051 (2013.01); H04L 5/0057 (2013.01); H04W 84/042 (2013.01)] 21 Claims
OG exemplary drawing
 
1. A method of operating a base station, the method comprising:
transmitting a plurality of beamformed reference signals with a respective plurality of transmit beams;
receiving, from a user equipment (UE), a report that identifies a first beamformed reference signal of the plurality of beamformed reference signals, the first beamformed reference signal transmitted on a first transmit beam of the plurality of transmit beams;
transmitting a first control channel transmission to indicate a transmit beam update; and
transmitting a second control channel transmission with the first transmit beam.