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In wireless mesh networks (WMNs), load balancing placement of gateways is important to the network performance. In this paper, we address the problem of load balancing gateway placement, and propose a greedy algorithm GA-LBC to partition a WMN into load-balance and disjointed clusters, each cluster satisfies QoS requirements. Based on GA-LBC algorithm and the principles of genetic algorithm, we propose a hybrid algorithm HA-LBPG to get the near-optimal solution. Simulation results show that the number of gateways generated by HA-LBPG is nearly equal to the result from other gateway placement algorithms, and as far as the load balancing on the gateways is concerned, HA-LBPG performs much better than the others.
Date of Conference: 18-21 Nov. 2008