Patent ID: 9392522
Filing Date: 2016-07-12
CPC Classification: H04L,H04W

Claim Text:
1. A method for routing a data packet of a user equipment (UE) in a wireless communication network, the method comprising: establishing a packet data network (PDN) connection via a cellular access network; obtaining, by the UE from an Access Network Discovery and Selection Function (ANDSF) server, a routing rule including information on an access point name (APN) and a priority of the APN, the APN identifying a packet data network (PDN) connection; and performing, by the UE, an offload function by selecting a gateway via the cellular access network based on the priority of the APN, wherein the routing rule comprises identification information in a form of an internet protocol (IP) 5-tuple allowing the UE to identify a candidate traffic class of the data packet.