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The Hare and the Tortoise: Tackling Wireless Losses by Exploiting Wired Reliability

Anirudh Badam, Dongsu Han, David Andersen, Michael Kaminsky, Dina Papagiannaki, and Srinivasan Seshan

Abstract

Multiple communication channels are common in today’s consumer and enterprise networks. For example, a high bandwidth but unreliable wireless network might co-exist with a reliable wired link (EWLANs and neighborhood networks). In this paper, we present a system that uses this reliable wired communication channel to boost the bandwidth of the lossy wireless link. Specifically, we propose a new, efficient partial packet recovery (PPR) technique and adaptive feedback mechanism specially designed to correct partial packets on an 802.11 wireless network using a wired backhaul. Our initial experiments demonstrate up to a 3x improvement over standalone 802.11 and upto a 30% improvement over existing PPR techniques.

Details

Publication typeInproceedings
Published inMobiHoc'11
PublisherACM
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