Patent ID: 7933595
Filing Date: 2011-04-26
Classification: H04W

Abstract:
1. A method comprising: a mobile station maintaining a preferred roaming list (PRL), the PRL comprising (1) a first association between (i) a first set of data identifying a first wireless wide area network (WWAN) and (ii) a first identifier of a first home agent and (2) a second association between (i) a second set of data identifying a second WWAN and (ii) a second identifier of a second home agent; the mobile station detecting a broadcast of the first set of data by the first WWAN; responsive to detecting the broadcast of the first set of data by the first WWAN, the mobile station connecting to the first WWAN; and responsive to connecting to the first WWAN, and with reference to the PRL, the mobile station using the first identifier to register with the first home agent.