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:
Apr. 23, 2013

Filed:

Aug. 20, 2008
Applicants:

Itsuma Tanaka, Kanagawa, JP;

Keisuke Suzuki, Kanagawa, JP;

Masashi Kanauchi, Kanagawa, JP;

Kota Fujimura, Kanagawa, JP;

Inventors:

Itsuma Tanaka, Kanagawa, JP;

Keisuke Suzuki, Kanagawa, JP;

Masashi Kanauchi, Kanagawa, JP;

Kota Fujimura, Kanagawa, JP;

Assignee:

NTT DoCoMo, Inc., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A communication method according to the present invention includes: transmitting, at a radio base station device (b), broadcast information for notifying a first area and a second area; transmitting, from a first mobile terminal to a radio control device (c), a first location registration request signal for the first area included in the broadcast information, when the first area is not identical to a first area stored as a current location registration area; and transmitting, from a second mobile terminal to the radio control device (c), a second location registration request signal for the second area included in the broadcast information, when the second area is not included in a second area group stored as a current location registration area.


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