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In this paper, we address the routing issue in a wireless mesh network, where each node is stationary and equipped with one or more radios. Specifically, we propose a new path metric called multi-hop effective bandwidth (MHEB), which provides a generic approach to calculate the achievable bandwidth along a path, taking the impacts of inter/intra-flow interference and space/channel diversity into account. We also present a new routing protocol based on the MHEB metric, which achieves interference-aware and load-balancing routing at the same time. Performance of the MHEB based routing in improving the network throughput is validated through computer simulations, compared with the existing popular routing metrics.
Li et al. (Tue,) studied this question.