Journal of Communications and Networks

  • 제10권4호
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  • Pages.396-402
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  • 2008
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  • 1229-2370(pISSN)
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  • 1976-5541(eISSN)
한국통신학회 (The Korean Institute of Commucations and Information Sciences)
권호 표지

Low-Complexity Network Coding Algorithms for Energy Efficient Information Exchange

  • Wang, Yu (Department of Computing and Electronic Systems, University of Essex) ;
  • Henning, Ian D. (Department of Computing and Electronic Systems, University of Essex)
  • 발행 : 2008.12.31
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초록

The use of network coding in wireless networks has been proposed in the literature for energy efficient broadcast. However, the decoding complexity of existing algorithms is too high for low-complexity devices. In this work we formalize the all-to-all information exchange problem and shows how to optimize the transmission scheme in terms of energy efficiency. Furthermore, we prove by construction that there exists O(1) -complexity network coding algorithms for grid networks which can achieve such optimality. We also present low-complexity heuristics for random. topology networks. Simulation results show that network coding algorithms outperforms forwarding algorithms in most cases.

키워드

참고문헌

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