An interference-aware routing metric for Wireless Mesh Networks
by Riduan M. Abid; Biaz Saad
International Journal of Mobile Communications (IJMC), Vol. 9, No. 6, 2011

Abstract: In Wireless Mesh Networks (WMNs), most routing metrics measure losses using the 'direct' broadcast approach that incurs traffic overhead. On the other hand, the 'indirect' approach requires the measurement of contention and interference levels. Unfortunately, the two known interference models (protocol and physical) are inapplicable on real-world implementations. This work presents an adaptation of the physical interference model that relies on a probabilistic frames arrival model and can be implemented. This adaptation allows the design of a new interference-aware routing metric. This latter is described and compared to ETX and IEEE 802.11s Airtime using a real-world indoor pre-IEEE 802.11s Wireless Mesh test-bed.

Online publication date: Tue, 04-Oct-2011

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