The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 03, 2019
Filed:
Mar. 16, 2017
Base station, wireless communication system, and calibration method of wireless communication system
Applicant:
Fujitsu Limited, Kawasaki-shi, Kanagawa, JP;
Inventors:
Daisuke Jitsukawa, Adachi, JP;
Takashi Dateki, Yokohama, JP;
Assignee:
FUJITSU LIMITED, Kawasaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 17/14 (2015.01); H04L 5/14 (2006.01); H04L 5/00 (2006.01); H04B 17/12 (2015.01); H04B 17/21 (2015.01); H04B 17/11 (2015.01); H04B 7/024 (2017.01);
U.S. Cl.
CPC ...
H04B 17/21 (2015.01); H04B 7/024 (2013.01); H04B 17/11 (2015.01); H04B 17/14 (2015.01); H04L 5/0023 (2013.01); H04L 5/1461 (2013.01); H04L 5/1469 (2013.01); H04B 17/12 (2015.01);
Abstract
According to one aspect, a base station that is connected to a plurality of transmission and reception points includes a calibrator. The calibrator calculates calibration coefficients to be multiplied on weights in beamforming communication at each of a plurality of transmission and reception points based on the beamforming communication at each of a plurality of transmission and reception points.