无线携能通信中整流电路的建模与仿真分析

系统仿真学报 ›› 2015, Vol. 27 ›› Issue (11): 2829-2836.

无线携能通信中整流电路的建模与仿真分析

郑祖翔, 吴乐南

东南大学信息科学与工程学院,南京 210096

收稿日期:2014-06-05 修回日期:2014-06-22 出版日期:2015-11-08 发布日期:2020-08-05
作者简介:郑祖翔(1989-),男,福建龙岩,硕士生,研究方向为通信信号处理;吴乐南(1952-),男,安徽枞阳,博士,教授、博导,研究方向为通信信号处理。
基金资助:
国家自然科学基金(61271204); 总装共性基金(9140A20090314HT05310)

Modeling and Simulation of Rectifying Circuit for Simultaneous Wireless Information and Power Transfer

Zheng Zuxiang, Wu Lenan

School of Information Science and Engineering, Southeast University, Nanjing 210096, China

Received:2014-06-05 Revised:2014-06-22 Online:2015-11-08 Published:2020-08-05

摘要/Abstract

摘要： 无线携能通信旨在实现信息与能量的并行传输。作为无线携能通信系统的重要组成部分,整流电路是影响系统能量转换效率的重要的因素之一。给出了整流电路能量转换效率以及输入功率的表达式,利用该简化模型可初步估计整流电路的性能,为整流二极管的选型、电路优化提供一定的指导。利用ADS软件对所设计的一款微带整流电路进行了仿真。理论计算及仿真结果均表明,超窄带调制信号具有与正弦信号几乎一致的优异携能特性。采用超窄带调制作为无线携能通信系统中的信息调制方案,为无线携能通信系统的设计提供了一条可行思路。

关键词: 无线携能通信, 微波输能, 整流天线, 肖特基二极管, 超窄带调制

Abstract: Simultaneous wireless information and power transfer (SWIPT) is intended to transmit information and energy simultaneously over the wireless channels. As a major component of SWIPT, a rectifying circuit is an essential influencing factor for power conversion efficiency of SWIPT. Closed-form equations of power conversion efficiency and input power of rectifying circuit were derived to predict the performance. This simplified model is useful for circuit design and optimization. The result of theoretical analysis and ADS simulation shows that Ultra Narrow Band (UNB) signal has a sine-like performance in wireless power transfer. Using UNB signal as a novel modulation scheme, and provides a new feasible way for SWIPT.

Key words: simultaneous wireless information and power transfer, microwave power transfer, rectenna, schottky-barrier diode, ultra narrow band

中图分类号:

TN911

郑祖翔, 吴乐南. 无线携能通信中整流电路的建模与仿真分析[J]. 系统仿真学报, 2015, 27(11): 2829-2836.

Zheng Zuxiang, Wu Lenan. Modeling and Simulation of Rectifying Circuit for Simultaneous Wireless Information and Power Transfer[J]. Journal of System Simulation, 2015, 27(11): 2829-2836.

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