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Interference channel (IC) can achieve significant spectrum benefit due to interference alignment (IA). In this paper, we consider the application of IC to underwater acoustic networks (UANs), which have narrow bandwidth and low channel capacity. Based on the underwater acoustic propagation model, a new IA-based distance-alignment structure (DAS) is studied(More)
In this paper, we investigate the degrees of freedom (DoF) of a layered 2 × 3 × 3 X channel for underwater acoustic networks (UANs), where each of the two source nodes sends an independent message to each of the three destination nodes via the relay layer with three nodes. The key problem is to maximize the achievable DoF with proper interference(More)
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