US 11,671,152 B2
Electronic device and method in wireless communication system, and wireless communication system
Jin Xu, Beijing (CN); Cheng Gao, Beijing (CN); Siqi Liu, Beijing (CN); Chaonan He, Beijing (CN); and Jianfei Cao, Beijing (CN)
Assigned to SONY GROUP CORPORATION, Tokyo (JP)
Filed by Sony Group Corporation, Tokyo (JP)
Filed on Feb. 18, 2022, as Appl. No. 17/674,840.
Application 16/809,560 is a division of application No. 16/314,661, granted, now 10,630,354, issued on Apr. 21, 2020, previously published as PCT/CN2017/093807, filed on Jul. 21, 2017.
Application 17/674,840 is a continuation of application No. 17/152,805, filed on Jan. 20, 2021, granted, now 11,290,161.
Application 17/152,805 is a continuation of application No. 17/023,392, filed on Sep. 17, 2020, granted, now 10,917,151, issued on Feb. 9, 2021.
Application 17/023,392 is a continuation of application No. 16/809,560, filed on Mar. 5, 2020, granted, now 10,804,986, issued on Oct. 13, 2020.
Claims priority of application No. 201610694565.3 (CN), filed on Aug. 19, 2016.
Prior Publication US 2022/0173776 A1, Jun. 2, 2022
Int. Cl. H04B 7/0456 (2017.01); H04B 7/04 (2017.01); H04B 7/06 (2006.01); H04W 24/08 (2009.01)
CPC H04B 7/0456 (2013.01) [H04B 7/04 (2013.01); H04B 7/0478 (2013.01); H04B 7/063 (2013.01); H04B 7/065 (2013.01); H04B 7/0639 (2013.01); H04B 7/0647 (2013.01); H04B 7/0695 (2013.01); H04W 24/08 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An electronic device at a base station in a wireless communication system, the electronic device comprising:
processing circuitry configured to:
receive wideband channel state information from a user equipment;
receive a quality report from the user equipment, wherein the quality report indicates that a communication quality between the user equipment and the base station is lower than a predetermined threshold;
transmit, to the user equipment, a reference signal and an estimation instruction indicating that the user equipment is to estimate subband channel state information based on the reference signal; and
receive the subband channel state information from the user equipment.