Adaptive location management strategy to the distance-based location update technique for cellular networks

Publisher:
IEEE Communications Society
Publication Type:
Conference Proceeding
Citation:
IEEE Wireless Communications and Networking Conference, 2004, pp. 172 - 176
Issue Date:
2004-01
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In this paper, we propose a new adaptive scheme in which an optimal distance-based update threshold is selected not only as a function of the call-to-mobility ratio, but also as a function of mobile's traveling patterns, modeled by a transitional directivity index. We demonstrated that by means of the optimal threshold selection, the impact variations in the inter-ring transitional probability on the operational cost can be determined. Simulation results show that the additional information made available about roaming mobile's transitional directivity is critical to ensure the realization of an optimal update threshold. Other advances include the simplification of the existing Markovian movement model presentation
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