SWIPT接收机分析

S. K. Rout, Gagarin Biswal, H. Sahu, Pradeep Minz
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引用次数: 0

摘要

本文研究了一种有效的无线通信信息传输和能量收集方法。目标是在有效利用传输功率的情况下实现信息速率最大化。为了最大限度地提高信息速率和能量收集,利用速率-能量图对分离接收机和集成接收机的时间开关(TS)、功率分割(PS)等方案进行了评价。分析了噪声对R-E区的影响。研究了基于实际调制QAM和单输入多输出(SIMO)系统的分离接收机在衰落信道上的同步无线信息和功率传输(SWIPT)中的R-E权衡仿真。在不知道信道增益分布、不知道信道均值和协方差矩阵的情况下,定义了鲁棒中断容量,该容量适用于任何信道分布。在不同的衰落信道(Nakagami-m, $\kappa-\mu$和$\eta-\mu$)中进行了健壮的中断能力和收集的能量之间的权衡。功率分割方案(PS)的速率-能量权衡优于时间交换方案(TS)。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Analysis of SWIPT Receiver
In this paper an efficient way of information transmission and energy harvesting in a wireless communication is studied. The objective is to maximize the information rate under efficient utilization of transmitted power. To maximize the information rate versus energy harvesting different schemes like time switching (TS), power splitting (PS) for separated and integrated receiver are evaluated by rate-energy diagram. Effects of noise in the R-E region is analyzed. Simulation of R-E tradeoff for separated receiver using practical modulation QAM and single input multiple output(SIMO) system in a simultaneous wireless information and power transfer(SWIPT) over fading channel is investigated. Without the knowledge of channel gain distribution and knowing the mean and covariance matrix of the channel, robust outage capacity is defined and that can be applicable to any channel distribution. The trade-off between robust outage capacity and harvested energy is carried out for different fading channels (Nakagami-m, $\kappa-\mu$ and $\eta-\mu$). Rate-energy tradeoff of power splitting scheme(PS) performs better compared to time switching(TS) scheme.
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