Patent ID: 8208445

Claim:
A mobile station comprising: a broadcast information reception unit configured to receive a master information block included in broadcast information in a second cell, and to receive a first system information block included in the broadcast information based on information included in the master information block, when the mobile station performs a handover from a first cell to the second cell in response to a received handover command; and a communication unit configured to perform a first communication using information included in the master information block, the first system information block and the handover command in the second cell when the broadcast information reception unit receives the first system information block, and to perform a second communication using information included in the master information block and the handover command in the second cell when the broadcast information reception unit does not receive the first system information block, wherein the communication unit is configured to perform a location registration process based on information included in the first system information block when performing the first communication, and not to perform the location registration process when performing the second communication.