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Communication Dans Un Congrès Année : 2009

DMT Optimal On-Demand Relaying for Mesh Networks

Résumé

This paper presents a new cooperative MAC (Medium Access Control) protocol called BRIAF (Best Relay based Incremental Amplify-and-Forward). The proposed protocol presents two features: on-demand relaying and selection of the best relay terminal. “On-demand relaying” means that a cooperative transmission is implemented between a source terminal and a destination terminal only when the destination terminal fails in decoding the data transmitted by the source terminal. This feature maximizes the spatial multiplexing gain r of the transmission. “Selection of the best relay terminal” means that a selection of the best relay among a set of (m-1) relay candidates is implemented when a cooperative transmission is needed. This feature maximizes the diversity order d(r) of the transmission. Hence, an optimal DMT (Diversity Multiplexing Tradeoff) curve is achieved with a diversity order d(r) = m(1-r) for 0 ≤ r ≤ 1.
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Dates et versions

hal-04028124 , version 1 (14-03-2023)

Identifiants

Citer

Benoît Escrig, Daniel Roviras. DMT Optimal On-Demand Relaying for Mesh Networks. 5th IEEE Workshop On Broadband Wireless Access (BWA), Nov 2009, Honolulu, United States. pp.1-5, ⟨10.1109/GLOCOMW.2009.5360764⟩. ⟨hal-04028124⟩
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