Patent ID: 8391905
Filing Date: 2013-03-05
Classification: H04W

Abstract:
1. A mobile communication method for performing communication between a mobile station and a radio base station through a connection including a signaling radio bearer and a data radio bearer, the mobile communication method comprising: transmitting, from the mobile station to the radio base station, a connection re-establishment request signal to re-establish the connection between the radio base station and the mobile station, when the mobile station detects a failure in the connection; receiving, at the mobile station from the radio base station, a connection reconfiguration signal containing a release request of a data radio bearer which is not established between the mobile station and the radio base station; ignoring, at the mobile station, the release request of the data radio bearer which is not established between a mobile station and the radio base station; and transmitting, from the mobile station to the radio base station, a connection reconfiguration completion signal notifying that processing corresponding to a connection reconfiguration signal is completed.