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- W2009079787 abstract "We consider networks where energy is a limited resource so that energy consumption must be minimized while satisfying given throughput requirements. For such networks, cross-layer design coupled with node cooperation can significantly reduce both energy consumption and delay. In this paper, we propose a cooperative multiple-input multiple-output (MIMO) technique where multiple nodes within a cluster cooperate in signal transmission and/or reception. In our scheme, local information exchange within the cluster is not necessary if Alamouti codes are used with appropriate transmission scheduling. A cross-layer design framework is then applied that optimizes routing to minimize the energy consumption and delay. For the cooperative MIMO scheme, routing is optimized based on an equivalent single-input single-out (SISO) system, where each cooperating cluster is treated as a super node. We derive the best energy-delay tradeoff curve under this optimization model and show that the cooperative MIMO approach dramatically improves energy and delay performance, especially when link layer adaptation is used." @default.
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- W2009079787 date "2006-08-01" @default.
- W2009079787 modified "2023-10-17" @default.
- W2009079787 title "Cross-layer design of energy-constrained networks using cooperative MIMO techniques" @default.
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- W2009079787 doi "https://doi.org/10.1016/j.sigpro.2005.09.034" @default.
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