CPC H04B 7/0478 (2013.01) [H04B 7/043 (2013.01); H04B 7/0417 (2013.01); H04B 7/0617 (2013.01); H04B 7/0626 (2013.01); H04B 7/0639 (2013.01); H04L 25/0204 (2013.01); H04W 72/542 (2023.01)] | 18 Claims |
1. A method implemented by a wireless transmit/receive unit (WTRU) having multiple antennas, the method comprising:
determining information that is associated with a baseband channel, the information indicating any of: measurement information and channel information; and
transmitting a signal for requesting baseband beam tracking, the signal transmission based on a determination that system performance is degraded in a beamforming transmission and re-estimation of the baseband channel is part of a current link adaptation procedure.
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