To provide a mobile station, mobile center, and mobile communication method in which a mobile station automatically retries a call procedure when a selected cell does not have setting information "UE Context".
This mobile station 100 includes: a cell selecting unit 106 for retrying a cell selection process for a predetermined time period after the mobile station fails to detect a radio link formed between the mobile station and a first wireless base station for controlling a first cell; a connection retry request signal transmission unit 102 for transmitting a connection retry request signal to a second radio base station for controlling a second cell when a selected second cell is determined to be a cell using the same radio access system as the first cell; and a call retry procedure start unit 116 for starting a call retry procedure to a mobile switching center for controlling the second radio base station when a response signal received from the second radio base station with respect to a connection retry request signal is determined to reject reconnection, or when the second cell is determined to be a cell using a different radio access system from the first cell.
IWAMURA MIKIO
NISHIDA KATSUTOSHI
JP2007089135A | 2007-04-05 |
US20080057948A1 | 2008-03-06 | |||
WO2008001452A1 | 2008-01-03 | |||
WO2007089560A1 | 2007-08-09 | |||
WO2007086679A1 | 2007-08-02 |
Iwa Saki Kokuni
Masakazu Ito
Shunichi Takahashi
Ichitaro Ito