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:
Oct. 16, 2018

Filed:

Apr. 18, 2014
Applicant:

Ntt Docomo, Inc., Tokyo, JP;

Inventors:

Yoshihisa Kishiyama, Kangawa, JP;

Motohiro Tanno, Kanagawa, JP;

Mamoru Sawahashi, Kanagawa, JP;

Assignee:

NTT DOCOMO, INC., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04J 1/16 (2006.01); H04W 24/08 (2009.01); H04W 36/30 (2009.01); H04W 36/08 (2009.01);
U.S. Cl.
CPC ...
H04W 24/08 (2013.01); H04W 36/30 (2013.01); H04W 36/08 (2013.01);
Abstract

A mobile communications system having a first base station and one or more second base stations is disclosed, wherein the first base station includes a first generator which generates a first known signal for use in common between the first base station and the second base station and a second known signal use specific to each of the first base station and the second base station, and a radio transmitter which wirelessly transmits, to a subordinate terminal apparatus, the first known signal and the second known signal which are generated by the first generator.


Find Patent Forward Citations

Loading…