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:
Nov. 24, 2020
Filed:
Dec. 18, 2017
Applicant:
Ntt Docomo, Inc., Tokyo, JP;
Inventors:
Shohei Yoshioka, Tokyo, JP;
Satoshi Suyama, Tokyo, JP;
Jun Mashino, Tokyo, JP;
Tatsuki Okuyama, Tokyo, JP;
Yukihiko Okumura, Tokyo, JP;
Assignee:
NTT DOCOMO, INC., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 7/0413 (2017.01); H04B 7/0456 (2017.01); H04B 7/06 (2006.01);
U.S. Cl.
CPC ...
H04B 7/0413 (2013.01); H04B 7/0456 (2013.01); H04B 7/0617 (2013.01);
Abstract
In a radio communication system that performs beamforming in MIMO transmission between a radio base station and at least one user terminal, radio base station () includes: weight control section () that determines a beamforming weight used for the beamforming, for each of subbands formed by dividing a transmission band; and communication section () that transmits a signal to which the beamforming is applied using the beamforming weight.