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Mobility management is an essential function in cellular communication networks. In contrast to traditional fixed networks, the geographical position of the subscriber’s terminal varies in the course of time. It is therefore necessary to include in a cellular communication network mobility management functions that allow a subscriber to be reached whatever his position in the network may be or, more generally, to ensure continuity of the service provided to the subscriber independently of his location in the operator’s service area.
KeywordsMobility Management Core Network Location Zone Idle Mode Connected Mode
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