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Cooperation Scenarios in Cooperative Multiple Access Channels

Paul Ferrand 1 Claire Goursaud 1 Jean-Marie Gorce 1
1 SOCRATE - Software and Cognitive radio for telecommunications
CITI - CITI Centre of Innovation in Telecommunications and Integration of services, Inria Grenoble - Rhône-Alpes
Abstract : In this paper, we present preliminary results on achievables rates in half-duplex cooperative multiple access channels (CMAC).We show that the upper bound on the capacity of the half-duplex CMAC can be solved using convex optimization techniques. Under a Gaussian model, we study the maximal achievable rate by every node in the network. We propose a number of scenarios, encompassing existing and theoretical cooperation schemes. Using these ypotheses, we evaluate the performance of both a non-cooperative concurrent access and simple cooperative multi-hop or relaying schemes with respect to the upper bound. The performance is compared for the various scenarios, and we provide analyses of specific cases in order to illustrate how our framework may be used to answer targeted questions about the capacity of CMACs.
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Submitted on : Wednesday, October 3, 2012 - 10:58:41 AM
Last modification on : Wednesday, December 15, 2021 - 7:52:05 AM
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  • HAL Id : hal-00737839, version 1



Paul Ferrand, Claire Goursaud, Jean-Marie Gorce. Cooperation Scenarios in Cooperative Multiple Access Channels. COST IC1004 + iPLAN Joint Workshop on "Small Cell Cooperative Communications", May 2012, Lyon, France. ⟨hal-00737839⟩



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