A High-Throughput Path Metric for Multi-Hop Wireless Routing
by Douglas DeCouto, Daniel Aguayo, John Bicket, Robert Morris
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| type: | misc | | booktitle: | Proceedings of the Ninth Annual International Conference on Mobile Computing and Networking | | year: | 2003 | | month: | jul # "~21 | | journal: | Wireless Networks | | annote: | Douglas S. J. De (M.I.T. Computer Science and Artificial Intelligence Laboratory); Couto Daniel (M.I.T. Computer Science and Artificial Intelligence Laboratory); Aguayo John (M.I.T. Computer Science and Artificial Intelligence Laboratory); Bicket Robert Morris (M.I.T. Computer Science and Artificial Intelligence Laboratory); | | volume: | 11 | | publisher: | ACM | | pages: | 419--434 | | abstract: | This paper presents the expected transmission count metric (ETX), which finds high-throughput paths on multi-hop wireless networks. ETX minimizes the expected total number of packet transmissions (including retransmissions) required to successfully deliver a packet to the ultimate destination. The ETX metric incorporates the effects of link loss ratios, asymmetry in the loss ratios between the two directions of each link, and interference among the successive links of a path. In contrast, the minimum hop-count metric chooses arbitrarily among the different paths of the same minimum length, regardless of the often large differences in throughput among those paths, and ignoring the possibility that a longer path might offer higher throughput. | | number: | 4 | | editor: | David B. Johnson and Anthony D. Joseph and Nitin H. Vaidya |
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