Patent ID: 9185621
Filing Date: 2015-11-10
Classification: H04W

Abstract:
1. A method of supporting mobility of selected IP traffic offload (SIPTO), the method performed by a server undertaking a control plane in a mobile communication network and comprising: receiving a handover required message for a terminal, which receives a SIPTO service via a source base station, toward a target base station; deciding whether to deactivate the SIPTO service; performing a process for releasing a public data network (PDN) connection for the SIPTO, based on the decision; receiving, from a local gateway (L-GW), a bearer deletion request message including information for reactivating the SIPTO after the handover; and transmitting to the terminal via the source base station the bearer deletion request message, wherein the source base station is a Home (e)NodeB and the target base station is an (e)NodeB, and wherein the local gateway is a gateway for enabling the SIPTO or Local IP Access (LIPA) through the Home (e)NodeB.