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Location update cost of distance-based scheme for PCS networks with CTRW model

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3 Author(s)
Qinglin Zhao ; Fac. of Inf. Technol., Macau Univ. of Sci. & Technol., Macau ; Liew, S.C. ; Yao Yu

This letter concerns the optimization of the dynamic location-update area (LA) for the per-user distance-based scheme in personal communication service (PCS) networks. We have two main contributions: (1) under the general and popular one-dimensional (1-D) continuous-time random walk (CTRW) mobility model, we propose a novel framework to analyze the location update cost; (2) with this framework, we investigate the impact of call arrivals and the initial position of the mobile terminal (MT) on the position of the LA, which was neglected by previous work. Simulation shows that our theoretical model is very accurate.

Published in:

Communications Letters, IEEE  (Volume:13 ,  Issue: 6 )

Date of Publication:

June 2009

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