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Load-aware routing protocol for multi-radio Wireless Mesh Networks

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3 Author(s)
Anh-Ngoc Le ; School of Electrical Engineering and Computer Science, Kyungpook National University, Daegu, Korea ; Dong-Won Kum ; You-Ze Cho

This paper addresses the interference and load imbalance problems in multi-radio infrastructure mesh networks where each mesh node is equipped with multiple radio interfaces and a subset of nodes serve as Internet gateways. To provide backbone support, it is necessary to reduce interference and balance load in wireless mesh networks (WMNs). Therefore, this paper proposes a Load-aware routing protocol for multi-radio WMNs, called LMR. A load balancing technique and load-aware channel selection are both incorporated into the route discovery phase of the routing protocol, thereby helping to find paths that are better in terms of balancing load and reducing the inter-flow and intra-flow interference in multi-radio networks. Simulation results show that LMR can significantly enhance the overall network performance in multi-radio mesh networks.

Published in:

Communications and Electronics, 2008. ICCE 2008. Second International Conference on

Date of Conference:

4-6 June 2008