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.

Date of Patent:
Dec. 10, 2019

Filed:

Mar. 02, 2017
Applicant:

Ntt Docomo, Inc., Tokyo, JP;

Inventors:

Tatsuki Okuyama, Tokyo, JP;

Satoshi Suyama, Tokyo, JP;

Tatsunori Obara, Tokyo, JP;

Yukihiko Okumura, Tokyo, JP;

Assignee:

NTT DOCOMO, INC., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 7/024 (2017.01); H04B 7/06 (2006.01); H04W 16/28 (2009.01); H04L 27/26 (2006.01); H04W 28/26 (2009.01); H04W 72/04 (2009.01); H04L 5/00 (2006.01);
U.S. Cl.
CPC ...
H04B 7/024 (2013.01); H04B 7/06 (2013.01); H04B 7/0632 (2013.01); H04B 7/0639 (2013.01); H04L 5/0023 (2013.01); H04L 5/0048 (2013.01); H04L 27/2691 (2013.01); H04W 16/28 (2013.01); H04W 28/26 (2013.01); H04W 72/046 (2013.01);
Abstract

A wireless communication system includes: a plurality of first wireless stations; a plurality of second wireless stations; and a management apparatus configured to manage the plurality of first wireless stations and the plurality of second wireless stations. The management apparatus includes a selection unit that selects a plurality of antennas to be used to transmit reference signals from a plurality of antennas included in the plurality of first wireless stations or a plurality of antennas included in the plurality of second wireless stations, and an instruction unit that instructs the plurality of first wireless stations or the plurality of second wireless stations to transmit reference signals using the plurality of antennas used to transmit the reference signals and selected by the selection unit.


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