Patent ID: 9503937
Filing Date: 2016-11-22
CPC Classification: H04W

Claim Text:
1. A mobile communication system comprising: a first Home Node B (HNB); a second HNB; and a HNB gateway (HNB-GW) that is external with respect to a core network, wherein the first HNB is configured to communicate with a user equipment (UE) before an intra HNB-GW relocation in which the UE is relocated from the first HNB to the second HNB, wherein the second HNB is configured to communicate with a user equipment (UE) after the relocation, receive a Radio Access Network Application Part (RANAP) Relocation Request, and send an Iu-User Plane (Iu-UP) Initialization comprising Radio Access Bearer Sub-Flow Combination Indicator (RFCI) information of the second HNB to the HNB-GW during the relocation, the Iu-UP Initialization corresponding to the RANAP Relocation Request, and wherein the HNB-GW is configured to receive the Iu-UP Initialization, and to terminate the Iu-UP Initialization from the second HNB.