A dynamic paging scheme for long-term evolution mobility management

In long-term evolution, the service area is partitioned into several tracking areas TAs, which comprise one or more cells the radio coverages of base stations. The TAs are grouped into TA list TAL. When an incoming call arrives, the network attempts to connect to the user equipment UE by paging the cells in the UE's TAL, which may incur large paging traffic that significantly consumes the limited radio resources. To resolve this issue, this paper proposes a dynamic paging scheme that determines the paging sequence of cells in real time according to the UE movement and call behavior. We compare the performance of the dynamic paging with that of the previously proposed Cell-TA-TAL CTT paging. Our study indicates that the dynamic paging outperforms the CTT paging when movement pattern is regular and the UE moves frequently. Copyright © 2013 John Wiley & Sons, Ltd.

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