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A multiple-antenna amplify-and-forward (AF) two-hop interference network with multiple links and multiple relays is considered. We optimize transmit precoders, receive decoders and relay AF matrices to maximize the achievable sum rate. Two constraint sets are discussed: first, individual per user and total relay sum power constraints. We propose an algorithm to maximize the total signal to total interference...
We consider a multiple-antenna amplify-and-forward (AF) two-hop interference network with multiple links and multiple relays. Transmit precoders, receive decoders and relay AF matrices are optimized with the purpose to maximize the system sum rate. By pointing out that the existing models all lead to single data stream transmission for each user, we propose a novel multiple stream model. We maximize...
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