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A Cooperative Location Management Scheme for Mobile Ad Hoc Networks

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Author(s): Demin LI | Jiacun WANG | Liping ZHANG | Hao LI | Jie ZHOU

Journal: International Journal of Communications, Network and System Sciences
ISSN 1913-3715

Volume: 02;
Issue: 08;
Start page: 732;
Date: 2009;
Original page

Keywords: Ad hoc Network | Grid | Home Region | Location Management | Forwarding Pointer | Cost Estimation

ABSTRACT
A mobile ad hoc network (MANET) is a kind of wireless ad hoc network. It is a self-configuring network of mobile routers connected by wireless links. Since MANETs do not have a fixed infrastructure, it is a chal-lenge to design a location management scheme that is both scalable and cost-efficient. In this paper, we propose a cooperative location management scheme, called CooLMS, for MANETs. CooLMS combines the strength of grid based location management and pointer forwarding strategy to achieve high scalability and low signaling cost. An indepth formal analysis of the location management cost of CooLMS is presented. In particular, the total location management cost of mobile nodes moving at variable velocity is estimated using the Gauss_Markov mobility model for the correlation of mobility velocities. Simulation results show CooLMS performs better than other schemes under certain circumstances.
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