Patent ID: 8208429
Filing Date: 2012-06-26
Classification: H04L,H04W

Abstract:
1. A method of performing initial ranging by a mobile station in a wireless communication system, the method comprising: transmitting a first ranging request message to a base station; receiving a first ranging response message from the base station, the first ranging response message including a temporary identifier of the mobile station and information on a ranging status indicating that the initial ranging is successful; transmitting a second ranging request message including the temporary identifier to the base station for confirming the temporary identifier; and receiving a second ranging response message including a ciphered primary management connection identifier (CID) of the mobile station from the base station, the ciphered primary management CID indicating a CID for a connection established during the initial ranging, the CID having a value for confirming a connection between the base station and the mobile station in a media access control (MAC).