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Relay selection (RS) scheme for two-way amplify-and-forward (AF) relay channels is studied in this paper. Based on the conventional max-min SNR single RS (SRS) scheme, we consider a Dual RS (DRS) scheme that allows two relay nodes to help the source terminals with distributed space time block codes (DSTBC) utilized at the selected relays. The performance of the considered DRS scheme is analyzed using...
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