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WHEN NETWORK CODING AND DIRTY PAPER CODING MEET IN A COOPERATIVE AD HOC NETWORK

Abstract : We develop and analyze new cooperative strategies for ad hoc networks that are more spectrally efficient than classical Decode & Forward (DF) protocols. Using analog network coding, our strategies preserve the practical half-duplex assumption but relax the orthogonality constraint. The introduction of interference due to non-orthogonality is mitigated thanks to precoding, in particular Dirty Paper coding. Combined with smart power allocation, our cooperation strategies allow to save time and lead to a more efficient use of the bandwidth and to improved network throughput with respect to classical Repetition-DF and Parallel-DF.
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https://hal-supelec.archives-ouvertes.fr/hal-00326354
Contributor : Samir Medina Perlaza <>
Submitted on : Thursday, October 2, 2008 - 4:51:57 PM
Last modification on : Tuesday, June 30, 2020 - 4:04:07 PM
Long-term archiving on: : Friday, June 4, 2010 - 12:07:33 PM

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  • HAL Id : hal-00326354, version 1
  • ARXIV : 0707.0978

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Nadia Fawaz, David Gesbert, Merouane Debbah. WHEN NETWORK CODING AND DIRTY PAPER CODING MEET IN A COOPERATIVE AD HOC NETWORK. IEEE Transactions on Wireless Communications, Institute of Electrical and Electronics Engineers, 2008, 7 (5, part 2), pp.1862-1867. ⟨hal-00326354⟩

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