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:
Mar. 05, 2013

Filed:

Dec. 24, 2009
Applicants:

Mikio Iwamura, Yokohama, JP;

Anil Umesh, Yokohama, JP;

Seigo Harano, Yokohama, JP;

Inventors:

Mikio Iwamura, Yokohama, JP;

Anil Umesh, Yokohama, JP;

Seigo Harano, Yokohama, JP;

Assignee:

NTT DoCoMo, Inc., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 68/00 (2009.01); H04W 4/00 (2009.01); H04W 72/00 (2009.01); H04B 1/38 (2006.01); G01R 31/08 (2006.01);
U.S. Cl.
CPC ...
Abstract

A mobile communication method according to the present invention includes the steps of: transmitting, from a mobile station (UE) to a radio base station (eNB), a connection re-establishment request signal to re-establish the connection between the radio base station (eNB) and the mobile station (UE), when the mobile station (UE) detects a failure in the connection; and transmitting, from the mobile station (UE) to the radio base station (eNB), a connection reconfiguration completion signal notifying that processing corresponding to a connection reconfiguration signal is completed, when the mobile station (UE) receives the connection reconfiguration signal from the radio base station (eNB), and when the connection reconfiguration signal contains a release request of a data radio bearer which is not established between the mobile station (UE) and the radio base station (eNB).


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