Effects of MAC Approaches on Non-Monotonic Saturation with COPE - A Simple Case Study
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Medard_Effects of MAC.pdf
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Author(s)
Cloud, Jason M.
Zeger, Linda
Medard, Muriel
Date Issued
November 2011
Journal
Proceedings of the MILCOM 2011 Military Communications Conference
Publisher
Institute of Electrical and Electronics Engineers (IEEE)
Citation
Cloud, Jason, Linda Zeger, and Muriel Medard. “Effects of MAC Approaches on Non-monotonic Saturation with COPE - a Simple Case Study.” MILCOM 2011 Military Communications Conference. 747–753.
Version
Author's final manuscript
Abstract
We construct a simple network model to provide insight into network design strategies. We show that the model can be used to address various approaches to network coding, MAC, and multi-packet reception so that their effects on network throughput can be evaluated. We consider several topology components which exhibit the same non-monotonic saturation behavior found within the Katti et. al. COPE experiments. We further show that fairness allocation by the MAC can seriously impact performance and cause this non-monotonic saturation. Using our model, we develop a MAC that provides monotonic saturation, higher saturation throughput gains and fairness among flows rather than nodes. The proposed model provides an estimate of the achievable gains for the cross-layer design of network coding, multi-packet reception, and MAC showing that super-additive throughput gains on the order of six times that of routing are possible.
MIT Department
Lincoln Laboratory
Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science
Massachusetts Institute of Technology. Research Laboratory of Electronics
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Creative Commons Attribution-Noncommercial-Share Alike 3.0
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DOI of Published Version
https://doi.org/10.1109/MILCOM.2011.6127766
