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This paper considers the blind detection for a two-way relay system in which two source nodes exchange information via a relay node by amplify-and-forward relaying. An efficient transmission scheme is first proposed to achieve unique identifications of both the transmitted symbols and channel coefficients at a noise-free receiver using the M-ary phase shift keying modulation. Blind receivers based...
This paper studies the achievable rate region for a two-way relay network with collaborative beamforming under the assumption that the source-to-relay and relay-to-source channels are reciprocal. Specifically, we investigate the achievable rate regions for two cases where the relay cluster is subject to a sum-power constraint or to individual-power constraints. We can show that the optimal beamforming...
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