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In this paper, a multi-group multi-way relaying network is considered. Multiple half-duplex nodes form a group and each node wants to share its message with all other nodes in its group via an intermediate half-duplex relay. The nodes of the whole network are equally distributed over the groups. In this paper, we propose a multicast interference alignment algorithm for a multi-group multi-way relay...
Interference Alignment (IA) is more appropriated for the high Signal-to-Noise Ratio (SNR) regime and it is considered suboptimal for low to middle SNR values, where mixed criteria algorithms that also take the direct channel into consideration are expected to be better. In this paper we investigate the performance of some of the most well known iterative algorithms for IA in the low and high SNR regimes,...
In two-hop amplify-and-forward (AF) relay systems, a source node sends information to one or several relay nodes that amplify and retransmit the received signals to a destination node, without decoding. Such AF relaying-based cooperative communications allow to improve communication reliability due to increased channel gains and space diversity at the destination node. In this paper, we consider a...
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