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.
Patent No.:
Date of Patent:
Feb. 17, 2009
Filed:
May. 27, 2004
Mitsuo Iwanaga, Yokohama, JP;
Takehiro Ida, Yokosuka, JP;
Wataru Matsuno, Yokohama, JP;
Nobukazu Uno, Kamakura, JP;
Mitsuo Iwanaga, Yokohama, JP;
Takehiro Ida, Yokosuka, JP;
Wataru Matsuno, Yokohama, JP;
Nobukazu Uno, Kamakura, JP;
NTT DoCoMo Inc., Tokyo, JP;
Abstract
The present invention provides a mobile station able to shorten the processing time of selecting a serving base station and able to select an appropriate serving base station with which the mobile station communicates. Mobile phonereceives an advertisement message from a peripheral base station, until state of communication path to the peripheral base station remains above a reference level over the predetermined time period, 'Treselection', wherein the reference level is calculated by adding the parameter 'Qhyst' to state of communication path to the current serving base station. After detecting peripheral base station, mobile phoneignores the detection that the condition of changing base stations is fulfilled for another peripheral base station, until data storage area is updated in accordance with an advertisement message from the peripheral base station