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- W2100046560 abstract "In this paper, we combine opportunistic transmission and source/destination cooperation in a decode-and-forward (DF)-based two-hop cooperative diversity network consisting of multiple source-destination pairs and a single relay. Firstly, we consider a special scenario with two source-destination pairs. For this network, there are two possible strategies in each hop: no-cooperation or cooperation. Considering the combination of the two strategies in two cascaded hops, we investigate four different end-to-end transmission strategies, and we find that the four strategies complement one another depending on channel conditions in terms of outage performance. To maximize the mutual information, we propose an optimum joint selection of source-destination pair and end-to-end transmission strategy. Then we show that the optimum joint selection scheme can be simplified without loss of outage performance, and derive its exact outage probability in closed-form. Secondly, we generalize the proposed transmission strategy into a scenario with multiple source-destination pairs. For this network, we first propose an optimum end-to-end transmission strategy to maximize the mutual information, then a suboptimum end-to-end transmission strategy to reduce the signaling overhead and computational complexity. For the suboptimum strategy, we derive the outage probability and diversity order." @default.
- W2100046560 created "2016-06-24" @default.
- W2100046560 creator A5022649488 @default.
- W2100046560 creator A5042794505 @default.
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- W2100046560 date "2010-12-01" @default.
- W2100046560 modified "2023-09-24" @default.
- W2100046560 title "Opportunistic Source/Destination Cooperation in Cooperative Diversity Networks" @default.
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- W2100046560 doi "https://doi.org/10.1109/twc.2010.100110.100307" @default.
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