Analyzing the Effect of Node Density on the Performance of the LAR-1P Algorithm

Hussein Al-Bahadili, Ali Maqousi and Reyadh S. Naoum
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Hussein Al-Bahadili: Petra University, Jordan
Ali Maqousi: Petra University, Jordan
Reyadh S. Naoum: Middle East University, Jordan

International Journal of Information Technology and Web Engineering (IJITWE), 2012, vol. 7, issue 2, 16-29

Abstract: The location-aided routing scheme 1 (LAR-1) and probabilistic algorithms are combined together into a new algorithm for route discovery in mobile ad hoc networks (MANETs) called LAR-1P. Simulation results demonstrated that the LAR-1P algorithm reduces the number of retransmissions as compared to LAR-1 without sacrificing network reachability. Furthermore, on a sub-network (zone) scale, the algorithm provides an excellent performance in high-density zones, while in low-density zones; it preserves the performance of LAR-1. This paper provides a detailed analysis of the performance of the LAR-1P algorithm through various simulations, where the actual numerical values for the number of retransmissions and reachability in high- and low-density zones were computed to demonstrate the effectiveness and significance of the algorithm and how it provides better performance than LAR-1 in high-density zones. In addition, the effect of the total number of nodes on the average network performance is also investigated.

Date: 2012
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