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Wireless mesh networks have emerged as an efficient alternative to deploy broadband network infrastructures in local communities at low cost. To overcome the problem caused by the lossy and dynamic wireless links, opportunistic routing was proposed to achieve high throughput by exploiting multi-user diversity. Since wireless channels exhibit different packet loss probabilities at different transmission bit rates, carefully selecting bit rate at each hop can significantly improve system performance. However, the performance of multi-rate opportunistic routing still cannot be guaranteed when participating mesh nodes are contributed by different parties and thus have selfish behaviors.
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