Capacity-Enhancing Full-Duplex Relay Networks based on Power-Splitting (PS-)SWIPT
2017
In this paper, we investigate the application of simultaneous wireless information and power transfer (SWIPT) in a full-duplex relay network, where the relay node is wirelessly powered by harvesting a portion of the received signal power from the source node. Different from existing work that has employed time-switching-SWIPT, we propose to use power-splitting-SWIPT. As a result, our proposed approach gives rise to a truly full-duplex relay network, where the information reception and transmission take place simultaneously at the relay node all the time. This more thorough exploitation of the full-duplex feature consequently leads to a significant capacity improvement, compared with existing alternatives in the literature.
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