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This paper analyzes the use of link quality, based on the signal to noise ratio, as a metric to improve routing in multi-hop wireless networks. We compare the behavior and performance with those of other approaches, namely a simple minimum-hop selection process, as well as the expected transmission count (ETX) metric, which has recently gathered relevant attention from the scientific community. We...
Significant progress has been made in understanding the behavior of TCP and congestion-controlled traffic over multi- hop wireless networks. Despite these advances, however, no prior work identified severe throughput imbalances in the basic scenario of mesh networks, in which one-hop flows contend with two-hop flows for gateway access. In this paper, we demonstrate via real network measurements, test-bed...
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