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Performance Analysis and Optimization of One-hop Network Coding in Multi-hop Wireless Networks
Uppsala University, Disciplinary Domain of Science and Technology, Mathematics and Computer Science, Department of Information Technology.
2011 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

In this paper, we analyze the performance of one-hop network coding in multi-hop networks and optimize it by two solutions. One is evaluating cost-delay tradeoff of opportunistic network coding in a two-way relay network with asymmetric arrival rates, we first formulate the variance of the queue into a Markov chain and derive the transition probability and the stable distribution. Then we analyze the average power cost and delay, formulate the optimal power-delay tradeoff, and propose a heuristic discrete solution. We also show that the performance degradation of the proposed discrete solution is limited. Another solution is intelligent overhear to mainly reduce overhead of power consumption. After that, we present numerical results for the cost-delay tradeoff solution and evaluate the result of intelligent overhear by COPE simulation using network simulator ns-2.

Place, publisher, year, edition, pages
IT, 11 007
URN: urn:nbn:se:uu:diva-150817OAI: diva2:408930
Available from: 2011-04-06 Created: 2011-04-06 Last updated: 2011-04-06Bibliographically approved

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