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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.:

US 8891555 B1

PDFFull Text
Date of Patent:
Nov. 18, 2014

Filed:

Feb. 24, 2011

Spatial multiplexing wireless transmission system, spatial multiplexing wireless transmission method and computer program

Applicants:

Koichi Ishihara, Yokosuka, JP;

Yasushi Takatori, Yokosuka, JP;

Yusuke Asai, Yokosuka, JP;

Riichi Kudo, Yokosuka, JP;

Wenjie Jiang, Yokosuka, JP;

Tomoyuki Yamada, Yokosuka, JP;

Masato Mizoguchi, Yokosuka, JP;

Inventors:

Koichi Ishihara, Yokosuka, JP;

Yasushi Takatori, Yokosuka, JP;

Yusuke Asai, Yokosuka, JP;

Riichi Kudo, Yokosuka, JP;

Wenjie Jiang, Yokosuka, JP;

Tomoyuki Yamada, Yokosuka, JP;

Masato Mizoguchi, Yokosuka, JP;

Assignee:

Nippon Telegraph and Telephone Corporation, Tokyo, JP;

Attorney:

Harness, Dickey & Pierce, P.L.C.

Primary Examiner:

Phuc Tran

Int. Cl.
CPC ...
H04J 3/24 (2006.01); H04B 7/06 (2006.01); H04B 7/08 (2006.01); H04B 7/04 (2006.01); H04B 7/10 (2006.01);
U.S. Cl.
CPC ...
H04B 7/0691 (2013.01); H04B 7/0834 (2013.01); H04B 7/0874 (2013.01); H04B 7/0452 (2013.01); H04B 7/10 (2013.01); H04B 7/0877 (2013.01);
Abstract

A spatial multiplexing wireless transmission system is formed by a base station, and by a plurality of terminal stations that are provided with a plurality of antennas. The base station is provided with an information signal generating portion, a control signal generating portion, a transmission frame generating portion, a multiple beamforming portion, a transmission/reception switching portion, a reception signal processing portion, a propagation environment estimating portion, and an antenna information generating portion. At least one of the terminal stations is provided with a transmission/reception switching portion, a reception signal processing portion, a decoding portion, an antenna information extracting portion, an antenna information generating portion, an transmitting portion, a battery, a remaining battery detecting portion, a transmission request extracting portion, and a propagation environment estimating portion.

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