When Network Coding and Dirty Paper Coding meet in a Cooperative Ad Hoc Network

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We develop and analyze new cooperative strategies for ad hoc networks that are more spectrally efficient than classical DF cooperative 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 more efficient use of bandwidth and to improved network throughput with respect to classical RDF/PDF.
7 pages, 7 figures

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Information Theory

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http://salesiana.dossiersoluciones.com/handle/123456789/134067

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0707.0978
 http://arxiv.org/abs/0707.0978

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arXiv