US 12,137,356 B2
Communication system, user apparatus and base station
Kuniyuki Suzuki, Tokyo (JP)
Assigned to Mitsubishi Electric Corporation, Tokyo (JP)
Filed by Mitsubishi Electric Corporation, Tokyo (JP)
Filed on Aug. 23, 2023, as Appl. No. 18/237,281.
Application 17/941,143 is a division of application No. 16/992,217, filed on Aug. 13, 2020, granted, now 11,483,718, issued on Oct. 25, 2022.
Application 16/992,217 is a division of application No. 16/484,899, granted, now 10,785,661, issued on Sep. 22, 2020, previously published as PCT/JP2018/007132, filed on Feb. 27, 2018.
Application 18/237,281 is a continuation of application No. 17/941,143, filed on Sep. 9, 2022, abandoned.
Claims priority of application No. 2017-053919 (JP), filed on Mar. 21, 2017.
Prior Publication US 2023/0397016 A1, Dec. 7, 2023
Int. Cl. H04W 16/28 (2009.01); H04B 7/024 (2017.01); H04B 7/06 (2006.01)
CPC H04W 16/28 (2013.01) [H04B 7/024 (2013.01); H04B 7/0617 (2013.01); H04B 7/0626 (2013.01); H04B 7/0628 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A communication system comprising:
a user apparatus; and
at least one base station configured to wirelessly communicate with the user apparatus using a beam, wherein
the user apparatus is configured to determine a communication quality of a channel state information reference signal (CSI-RS) transmitted from the base station,
the user apparatus is configured to receive, from the at least one base station, information relating to power of a beam disappearance notification, and determine transmission power of the beam disappearance notification, using the information, and
the user apparatus is configured to transmit, to the base station, the beam disappearance notification with the transmission power, based on a determination result of the communication quality.