Patent ID: 8706099

Claim:
A femto base station using an automatic neighbor relation (ANR) function, comprising: a reception unit receiving a neighbor list table including identifiers of at least one adjacent femto base stations required for the operation of ANR, from an operation and maintenance center (OMC) while performing a base station self-configuring procedure; a verification unit for determining accessibility of a mobile terminal within a coverage area of the femto base station, based on an identifier of the mobile terminal and a predetermined reference time of access; a connection unit for connection with the at least one adjacent femto base stations using said neighbor list; a transmitting unit for notifying said at least one adjacent femto base stations a mode transition information state; a control unit configured for controlling the femto base station operating in a sleep mode to be transitioned to an active mode when the femto base station receives a mode transition command from at least one of the adjacent femto base stations when said mobile terminal enters a coverage area of the at least one adjacent femto base stations; and updating the mode transition information state in the neighbor list table.