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.
Highlights
Mobile ad hoc networks consist of wireless hosts that communicate with each other in the absence of a fixed infrastructure
In order to decrease the location management cost, we propose a cooperative location management scheme, CooLMS, which is a nice integration of the grid model and pointer forwarding strategy
We proposed a cooperative location management scheme, CooLMS, for mobile ad hoc networks
Summary
Mobile ad hoc networks consist of wireless hosts that communicate with each other in the absence of a fixed infrastructure. A novel multi-level hierarchical grid location management protocol with only one home region for a node that is called HGRID, for large scale ad hoc networks, is introduced in [6]. Pointer forwarding strategy was developed for location tracking in PCS networks It helps reduce the cost of location update because when a node changes its location, it doesn’t need to update its location information in its home region. Considering the measurements of mobile motion velocity are not necessarily consecutive, this paper presents an approach to the total cost discrete estimation of variable velocity mobile location management for ad hoc mobile networks.
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