Patent ID: 9479921
Filing Date: 2016-10-25
CPC Classification: H04W

Claim Text:
1. A method for grouping home eNodeBs (HeNBs) in a wireless communication system, the method comprising: grouping, by a mobility management entity (MME), a plurality of HeNBs into at least one closed subscriber group (CSG) group, wherein the at least one CSG group includes the plurality of HeNBs having one or more closed subscriber group (CSG) identifiers (IDs) assigned to the plurality of HeNBs, wherein, when there is more than one of the one or more CSG IDs, the one or more CSG IDs are different from each other; and transmitting, by the MME, the one or more CSG IDs to the plurality of HeNBs included in the at least one CSG group via a HeNB gateway connected with the MME through a direct S1 interface, wherein each of the plurality of the HeNBs is connected with the HeNB gateway via the direct S1 interface, wherein, when an intra-group handover is performed within the at least one CSG group, an X2 handover procedure is operated without performing an access control by the MME, and wherein the X2 handover procedure is performed if: