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Based on decode-and-forward strategy, we investigate the achievable outage probability of opportunistic relaying, in which there is a single source-destination transmission pair with the help of one of multiple relays. In two-hop scenario, based on adaptive decode-and forward strategy, the achievable diversity-multiplexing tradeoff with the knowledge of channel state amplitudes is analyzed. We show...
We consider a source-destination pair assisted by multiple decode-and-forward relays without channel state information at transmitter (CSIT). We investigate three schemes exploiting spatial diversity including multiple-relay cooperation (MR-Coop), conventional multiple-relay relaying (MR-Relay), and multiple-input-single-output (MISO). The total power is equally allocated to transmission partners...
Many previous schemes of multi-node cooperation mimic the behavior of the multiple-antenna system, and the imitation usually causes extra overheads. In this paper, we propose a novel multi-node cooperation scheme to avoid the imitation. The basic idea is to take the wireless broadcast advantage in the whole procedure. As a result, each source could maintain a multihop diversity route to the destination...
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