Patent ID: 9439137
Filing Date: 2016-09-06
CPC Classification: H04W

Claim Text:
1. A method for selecting a gateway node for a packet data network (PDN) connection at a control node of a communication system, the method comprising: receiving, from a user equipment (UE) via a first base station, a PDN connection request message including an access point name (APN) of a network to which the UE is to access; comparing whether a first Closed Subscriber Group (CSG) ID of the first base station is identical to a second CSG ID that allows the APN; and selecting a local gateway associated with a second base station that provides a PDN connection for the APN, if the first CSG ID is not identical to the second CSG ID that allows the APN, wherein a local gateway associated with the first base station is selected, if the first CSG ID is identical to the second CSG ID that allows the APN, and wherein the first CSG ID of the first base station is received through the PDN connection request message, or is obtained by the control node before receiving the PDN connection request message.