Na Li, Dongmei Zhang, Kui Xu, Meng Wang, Wei Xie, Qingsong Zhang, Ximing Li
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Performance Optimization of NOMA Based SWIPT Protocol for Full-Duplex Massive MIMO Systems
This paper studies the performance optimization of hybrid simultaneous wireless information and power transfer (SWIPT) protocols for full-duplex (FD) massive multiple-input multiple-output (MIMO) systems. A wireless energy transmission method combining time-switching (TS) and power-splitting (PS) is proposed to enable the sensor to receive more energy from the base station (BS).Non-orthogonal multiple access (NOMA) is applied during the information transfer phase in the case of relatively concentrated sensor or user distribution. System performance is maximized by optimizing the time switching (TS) ratio and precoding matrix. Simulation results show that the proposed optimized NOMA based SWIPT protocol obtains the best system performance when compared with the existing transmission protocols.
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