MOBILE STATION AND COMMUNICATION SYSTEM SELECTION METHOD

Title:

MOBILE STATION AND COMMUNICATION SYSTEM SELECTION METHOD

Document Type and Number:

Japanese Patent JP2006217086

Kind Code:

A

Abstract:

To provide a mobile station and a communication system selection method capable of selecting an optimum communication system for communication out of a plurality of communication systems.

The mobile station 1009a, which can be connected to a 1st communication system managing service areas by Area1a to Area1d and a 2nd communication system managing service areas by Area2a to Area2d, includes: a 1st radio communication section 110 which receives 1st notice information capable of specifying a presence area corresponding to the 1st communication system and adjacent areas; a 2nd radio communication section 120 which receives 2nd notice information capable of specifying a presence area corresponding to the 2nd communication system and adjacent areas; and a communication system selection section 140 which selects a communication system to be communicated with from the 1st communication system and 2nd communication system based upon the 1st notice information or 2nd notice information.

Inventors:

MOGI MASAYUKI
TAKAHASHI HIDEAKI
KATO YASUHIRO
NAKAMURA TAKEHIRO

Application Number:

JP2005025651A

Publication Date:

August 17, 2006

Filing Date:

February 01, 2005

Export Citation:

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Assignee:

NTT DOCOMO INC

International Classes:

H04B7/26; H04W48/18; H04W48/10

Domestic Patent References:

JP2002535941A	2002-10-22
JP2005026878A	2005-01-27

Foreign References:

WO2004032539A1	2004-04-15
US20020197992A1	2002-12-26

Attorney, Agent or Firm:

Hidekazu Miyoshi
Iwa Saki Kokuni
Masakazu Ito
Shunichi Takahashi
Ichitaro Ito

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