US 12,255,722 B2
Communication device and communication method
Ken Tanaka, Tokyo (JP); Yusuke Tanaka, Tokyo (JP); and Kosuke Aio, Tokyo (JP)
Assigned to SONY GROUP CORPORATION, Tokyo (JP)
Appl. No. 17/631,529
Filed by SONY GROUP CORPORATION, Tokyo (JP)
PCT Filed Apr. 30, 2020, PCT No. PCT/JP2020/018268
§ 371(c)(1), (2) Date Jan. 31, 2022,
PCT Pub. No. WO2021/024559, PCT Pub. Date Feb. 11, 2021.
Claims priority of application No. 2019-145746 (JP), filed on Aug. 7, 2019.
Prior Publication US 2022/0271820 A1, Aug. 25, 2022
Int. Cl. H04B 7/08 (2006.01); H04B 7/0408 (2017.01); H04W 56/00 (2009.01)
CPC H04B 7/088 (2013.01) [H04B 7/0408 (2013.01); H04W 56/005 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A communication device, comprising:
a plurality of wireless interfaces;
a plurality of antenna elements connected to the plurality of wireless interfaces; and
circuitry configured to:
transmit, via the plurality of antenna elements, a wireless signal to a communication partner;
receive, via the plurality of antenna elements, the wireless signal from the communication partner;
estimate an arrival direction of the received wireless signal;
determine a plurality of compensation parameter candidates based on the estimated arrival direction, wherein each of the plurality of compensation parameter candidates includes:
at least one of the plurality of antenna elements;
a frequency bandwidth;
a phase adjustment amount of at least one of the plurality of wireless interfaces; and
a delay compensation amount;
receive control information from the communication partner;
determine a specific compensation parameter from the plurality of compensation parameter candidates based on the control information; and
control, based on the specific compensation parameter, compensation for degradation in communication quality.