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Energy-efficient network coding for the noisy channel network
2006 (English)In: 2006 IEEE International Symposium on Information Theory, Vols 1-6, Proceedings, NEW YORK: IEEE , 2006, 778-782 p.Conference paper (Other academic)
Abstract [en]

We investigate energy-efficient network coding with a bit error probability (BEP) constraint. The network consists of statistically independent binary noisy channels. An error marking algorithm is used to calculate the number of erroneous bits in the sinks. Then we can accurately calculate the BEP in the sinks from the channel BEPs. For a given coding scheme, we formulate the optimal energy allocation problem. We show that the problem is convex for BPSK modulation. Then, we check the problem of the joint optimal network coding and energy allocation. A procedure is formulated to solve the problem. A pruning rule is suggested to reduce the search effort. Numerical results show the energy saving from the equal energy allocation and non-optimal coding.

Place, publisher, year, edition, pages
NEW YORK: IEEE , 2006. 778-782 p.
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URN: urn:nbn:se:kth:diva-28986DOI: 10.1109/ISIT.2006.261719ISI: 000245289701061OAI: diva2:395632
IEEE International Symposium on Information Theory Seattle, WA, JUL 09-14, 2006
QC 20110207Available from: 2011-02-07 Created: 2011-01-25 Last updated: 2011-02-07Bibliographically approved

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Xiao, Ming

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