RADIO BASE STATION AND RADIO COMMUNICATION SYSTEM FOR STARTING INTER-SYSTEM HANDOFF

Title:

RADIO BASE STATION AND RADIO COMMUNICATION SYSTEM FOR STARTING INTER-SYSTEM HANDOFF

Document Type and Number:

WIPO Patent Application WO/2007/129479

Kind Code:

A1

Abstract:

It is possible to forcibly cause a terminal to perform an inter-system handoff for system control in a region where service areas of a plurality of radio access systems are overlapped. When it is detected that communication resource of the radio base station is insufficient, a communication terminal which can be replaced by a communication using other system is selected and an inter-system handoff is started.

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Inventors:

MATSUMOTO, Norihisa (HITACHI LTD., 280, Higashikoigakubo 1-chome, Kokubunji-sh, Tokyo 01, 1858601, JP)
松本謙尚 (〒01 東京都国分寺市東恋ヶ窪一丁目２８０番地株式会社日立製作所中央研究所内 Tokyo, 1858601, JP)

Application Number:

JP2007/050086

Publication Date:

November 15, 2007

Filing Date:

January 09, 2007

Export Citation:

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Assignee:

Hitachi Communication Technologies, Ltd. (26-3, Minamiooi 6-chome Shinagawa-k, Tokyo 13, 1400013, JP)
株式会社日立コミュニケーションテクノロジー (〒13 東京都品川区南大井六丁目２６番３号 Tokyo, 1400013, JP)
MATSUMOTO, Norihisa (HITACHI LTD., 280, Higashikoigakubo 1-chome, Kokubunji-sh, Tokyo 01, 1858601, JP)

International Classes:

H04L12/28; H04W36/14

Attorney, Agent or Firm:

ASAMURA, Kiyoshi et al. (Room 331, New Ohtemachi Bldg. 2-1, Ohtemachi 2-chom, Chiyoda-ku Tokyo 04, 1000004, JP)

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