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High throughput routing algorithm metric for OLSR routing protocol in Wireless Mesh Networks

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3 Author(s)
Elshaikh, M. ; Dept. of Electr. & Electron. Eng., Univ. Teknol. Petronas, Tronoh ; Kamel, N. ; Awang, A.

Wireless mesh networks (WMN); have been attracting an increasingly intensive research over the last few years. WMNs consist of end clients and mesh routers, communicate wirelessly in a multi-hop fashion. The commonly used routing protocols depend on the hop-count metric to determine the preferred route between source and destination. Due to the unpredictable behavior of the wireless medium, the need for a routing protocol that aware to the medium condition becomes a necessity. In this paper we propose a signal-to-noise ratio (SNR) as a metric to determine the optimum route between source and destination. Optimized link state routing protocol (OLSR) is selected for the new metric. A comparison has been made between the conventional hop-count metric and SNR for the OLSR routing protocol. The network throughput, end-to-end delay and routing protocol overhead are used as a performance metrics for the comparison. The obtained results show that using SNR as a routing algorithm metric is performing better than the conventional hop-count in WMN environments.

Published in:

Signal Processing & Its Applications, 2009. CSPA 2009. 5th International Colloquium on

Date of Conference:

6-8 March 2009