Patent ID: 8275378
Filing Date: 2012-09-25
Classification: H04L,H04W

Abstract:
1. A method comprising: registering and connecting a mobile station to a first base station and a first gateway; handing the mobile station over to a second base station and connecting the mobile station to the second base station while the mobile station is registered to the first gateway, the second base station being coupled to the first gateway; selecting a second gateway coupled to the second base station; registering the mobile station to the second gateway while the mobile station is connected to the second base station; de-registering the mobile station from the first gateway after registering the mobile station to the second gateway; and handing the mobile station over to a third base station and connecting the mobile station to the third base station while the mobile station is registered to the second gateway, the third base station being coupled to the second gateway and not coupled to the first gateway.