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MIXIT: The Network Meets the Wireless Channel

Author(s)
Katti, Sachin; Katabi, Dina
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Networks & Mobile Systems
Advisor
Dina Katabi
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Abstract
The traditional contract between the network and the lower layers states that the network does routing and the lower layers deliver correct packets. In a wireless network, however, different nodes may hear most bits in a transmission, yet none of them receives the whole packet uncorrupted. The current approach imposes fatesharing on the bits, dropping a whole packet because of a few incorrect bits. In contrast, this paper proposes MIXIT, a new architecture that performs opportunistic routing on groups of correctly received symbols. We show using simulations driven with Software Radios measurements that MIXIT provides $4$x throughput improvement over state-of-the-art opportunistic routing.
Date issued
2007-09-04
URI
http://hdl.handle.net/1721.1/38871
Other identifiers
MIT-CSAIL-TR-2007-046
Series/Report no.
Massachusetts Institute of Technology Computer Science and Artificial Intelligence Laboratory
Keywords
Network Coding, Opportunistic Routing, Co-operative Diversity

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