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An Interference and Link-Quality Aware Routing Metric for Wireless Mesh Networks

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3 Author(s)
Ashraf, U. ; LAAS-CNRS, Univ. of Toulouse, Toulouse ; Abdellatif, S. ; Juanole, G.

This paper presents the expected link performance (ELP) metric for finding high throughput, low delay paths in 802.11 mesh networks. ELP combines three different mechanisms to accurately determine the expected link performance. Link quality information is combined with cross-layered link interference estimation to select optimal paths. Simulation results show that ELP significantly outperforms both hop count as well as the popular ETX metric. ELP has up to 12% higher throughput and about 40% smaller delay than ETX.

Published in:

Vehicular Technology Conference, 2008. VTC 2008-Fall. IEEE 68th

Date of Conference:

21-24 Sept. 2008