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. 22, 2005

Filed:

Dec. 27, 2000
Applicants:

Toshiaki Takao, Yokohama, JP;

Hijin Sato, Yokohama, JP;

Narumi Umeda, Yokohama, JP;

Inventors:

Toshiaki Takao, Yokohama, JP;

Hijin Sato, Yokohama, JP;

Narumi Umeda, Yokohama, JP;

Assignee:

NTT DoCoMo, Inc., Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04Q007/20 ;
U.S. Cl.
CPC ...
Abstract

In handover control methods and systems which switch a radio base station serving as a communicating counterpart of a mobile station, the present invention provides a handover control method and a system thereof wherein a detection is made when a communication while a predetermined minimum bandwidth secured is not possible at any mobile station communicating with the radio base station and upon the detection the communicating counterpart of the mobile station that communicates with the radio base station mentioned above is switched from the radio base station to other radio base stations.


Find Patent Forward Citations

Loading…