Vertical handoffs in wireless overlay networks
Mobile Networks and Applications - Special issue: mobile networking in the Internet
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Proceedings of the 7th annual international conference on Mobile computing and networking
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PPR: partial packet recovery for wireless networks
Proceedings of the 2007 conference on Applications, technologies, architectures, and protocols for computer communications
Beyond the bits: cooperative packet recovery using physical layer information
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Proceedings of the 14th ACM international conference on Mobile computing and networking
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NSDI'10 Proceedings of the 7th USENIX conference on Networked systems design and implementation
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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.