MOBILE COMMUNICATION METHOD AND RADIO BASE STATION

Title:

MOBILE COMMUNICATION METHOD AND RADIO BASE STATION

Document Type and Number:

Japanese Patent JP2010141887

Kind Code:

A

Abstract:

To enable connection reset (reconnection) for a radio base station which does not store context information of a mobile station.

This mobile communication method includes: a step for performing cell selection processing and transmitting a connection reset request signal to a second cell selected in the cell selection processing when a mobile station UE setting the first connection in a first cell detects a fault in the first connection; a step for determining whether a radio base station managing the second cell stores the context information of the mobile station UE or not in accordance with the connection reset request signal, and acquiring the context information of the mobile station from a radio base station managing the first cell when it is determined that the context information of the mobile station UE is not stored; and a step E for setting the second connection in the second cell for the mobile station UE based on the context information of the mobile station.

Inventors:

IWAMURA MIKIO
ISHII MINAMI

Application Number:

JP2009269237A

Publication Date:

June 24, 2010

Filing Date:

November 26, 2009

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Assignee:

NTT DOCOMO INC

International Classes:

H04W28/18; H04W36/08; H04W36/36; H04W74/08

Domestic Patent References:

JPH0313132A	1991-01-22
JP2010525753A	2010-07-22
JP2009540731A	2009-11-19

Foreign References:

WO2008131401A1	2008-10-30
WO2007148935A1	2007-12-27

Attorney, Agent or Firm:

Hidekazu Miyoshi
Iwa Saki Kokuni
Masakazu Ito
Shunichi Takahashi
Ichitaro Ito

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