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Energy-Delay Tradeoffs in a Linear Sequence of Relay Channels

Paul Ferrand 1 Claire Goursaud 1 Jean-Marie Gorce 1 
1 SOCRATE - Software and Cognitive radio for telecommunications
Inria Grenoble - Rhône-Alpes, CITI - CITI Centre of Innovation in Telecommunications and Integration of services
Abstract : In this paper, we aim at characterizing the gain induced by using relay channels in a linear network under both capacity constraint and realistic energy model. We express a general model based on a convex optimization problem. Then, we use numerical tools to obtain results on the outer and inner bounds of the capacity of the full and half duplex relay channel. We then further this study with more complex networks based on relay channels, especially networks formed by a linear chain of nodes. We describe the Pareto optimal solutions of the minimization problem with respect to the consumed energy and latency in such a linear network. From the simple case of the linear multi-hop network, we study the gains when implementing a linear chain of relay channels and compare these results to the simpler multi-hop transmission.
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Submitted on : Tuesday, October 2, 2012 - 4:33:42 PM
Last modification on : Thursday, March 10, 2022 - 3:08:58 AM
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  • HAL Id : hal-00737844, version 1



Paul Ferrand, Claire Goursaud, Jean-Marie Gorce. Energy-Delay Tradeoffs in a Linear Sequence of Relay Channels. Wireless Communications and Networking Conference (WCNC), 2012 IEEE, Apr 2012, Paris, France. ⟨hal-00737844⟩



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