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Four-Bit Wireless Link Estimation
2007
ACM Workshop on Hot Topics in Networks
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We consider the problem of estimating link quality in an ad-hoc wireless mesh. We argue that estimating links well requires combining information from the network, link, and physical layers. We propose narrow, protocol-independent interfaces for the layers, which in total provide four bits of information: 1 from the physical layer, 1 from the link layer, and 2 from the network layer. We present a link estimator design with these interfaces that reduces packet delivery costs by up to 44% over
dblp:conf/hotnets/FonsecaGJL07
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