In the present invention, when the subscription information changes when a terminal is in the connected state, not only the subscription information stored in the terminal and the core network or the HNB gateway is changed, but also the access network element which it accesses modifies {HEAD ~ its access identity} to be {TAIL ~ a new CSG member state}, thus the non subscribed users and the subscribers can be processed differently and accurately 
to be
In the present invention , when the subscription information changes when a terminal is in the connected state , not only the subscription information stored in the terminal and the core network or the HNB gateway is changed , but also the access network element which it accesses modifies { HEAD ~ its access identity } to be { TAIL ~ a new CSG member state } , thus the non subscribed users and the subscribers can be processed differently and accurately
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