Abstract
In this paper, we enhance the mobility model presented in [1], considering a wider range of the directional movement parameter (α). Both random walk and totally directional mobility patterns are modeled. This model is used as an input to study and compare the location management cost of the movement-based strategies [2] and the distance-based scheme as a function of the mobile terminal directional mobility patterns. In [2], each time the mobile terminal revisits the last cell it had contact with the fixed network, its movement-counter is increased with probability p or it is frozen (stopped) with probability q or it is reset with probability r, (p + q + r = 1). We discuss the trade off between the location update cost and the terminal paging cost. The distance-based strategy outperforms all the movement-based schemes. Among all the movement-based mechanisms, the (p,q,r) = (0,0,1) –reset strategy– provides the best performance. All studied schemes tend to perform equally as the movement is more directional.
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Martinez-Arrue, I., Garcia-Escalle, P., Casares-Giner, V. (2008). Location Management Based on the Mobility Patterns of Mobile Users. In: Cerdà-Alabern, L. (eds) Wireless Systems and Mobility in Next Generation Internet. EuroNGI 2008. Lecture Notes in Computer Science, vol 5122. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-89183-3_15
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DOI: https://doi.org/10.1007/978-3-540-89183-3_15
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