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:
Nov. 01, 2016

Filed:

Aug. 19, 2013
Applicant:

Fujitsu Limited, Kawasaki-shi, Kanagawa, JP;

Inventors:

Kenji Suda, Kawasaki, JP;

Hiroyuki Seki, Kawasaki, JP;

Assignee:

FUJITSU LIMITED, Kawasaki, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 5/00 (2006.01); H04W 72/04 (2009.01);
U.S. Cl.
CPC ...
H04L 5/0048 (2013.01); H04L 5/005 (2013.01); H04L 5/0007 (2013.01); H04L 5/0005 (2013.01); H04W 72/0413 (2013.01);
Abstract

A mobile communication system in which a working frequency band is divided into a plurality of predetermined frequency bands, and time division multiplexing is performed, the mobile communication system includes a base station to insert a known pilot symbol into the plurality of predetermined frequency bands at a predetermined reference interval, and to insert to arrange the known pilot symbol into at least one of the plurality of predetermined bands at a smaller interval than the predetermined reference interval, wherein a frequency band in which the known pilot symbol is inserted at a smaller interval than the predetermined reference interval is to be set cyclically in time; and a mobile terminal to receive the known pilot symbol transmitted from the base station.


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