一种高线性度的全双工光载射频系统
A High Linearity Full-duplex Radio over Fiber System
- 电子学报 2021年49卷第10期 页码：1913-1919
- 作者机构：
西北工业大学电子信息学院，陕西西安 710072
- 作者简介：
[ "王瑞琼 女，1996年1月生，陕西西安人.现为西北工业大学电子信息学院博士研究生.主要从事微波光子信号处理、光载射频通信等方面的研究工作. E-mail:wang_ruiq@163.com;" ]
[ "樊养余 男，1962年4月生，陕西蓝田人.现为西北工业大学电子信息学院教授、博士生导师.主要从事虚拟现实技术、数字信号处理理论与应用等方面的研究工作. E-mail:fan_yangyu@nwpu.edu.cn" ]
[ "王鑫圆 男，1997年6月生，山西晋城人.现为西北工业大学电子信息学院硕士研究生.主要从事微波光子信号处理、微波光子雷达等方面的研究工作. E-mail:wangxinyuan@mail.nwpu.edu.cn" ]
[ "谭佳俊 男，1999年3月生，陕西渭南人.现为西北工业大学电子信息学院硕士研究生.主要从事微波光子信号处理、微波光子雷达方面的研究工作. E-mail:tanjiajun@mail.nwpu.edu.cn" ]
[ "高永胜（通信作者） 男，1989年9月生，河南漯河人.现为西北工业大学副教授、研究生导师.主要从事微波光子信号处理、光载射频通信、微波光子卫星通信、微波光子雷达等方面的研究工作. E-mail:ysgao@nwpu.edu.cn" ]
- 基金信息：国家自然科学基金(61701412);全国博士后创新人才支持计划(BX201700197);中国博士后科学基金(2017M623238)
DOI：10.12263/DZXB.20210268
中图分类号： TN29;收稿：2021-02-23，
修回：2021-06-18，
纸质出版：2021-10-25
- 稿件说明：
移动端阅览
王瑞琼,樊养余,王鑫圆等.一种高线性度的全双工光载射频系统[J].电子学报,2021,49(10):1913-1919.
WANG Rui-qiong,FAN Yang-yu,WANG Xin-yuan,et al.A High Linearity Full-duplex Radio over Fiber System[J].ACTA ELECTRONICA SINICA,2021,49(10):1913-1919.
王瑞琼,樊养余,王鑫圆等.一种高线性度的全双工光载射频系统[J].电子学报,2021,49(10):1913-1919. DOI： 10.12263/DZXB.20210268.
WANG Rui-qiong,FAN Yang-yu,WANG Xin-yuan,et al.A High Linearity Full-duplex Radio over Fiber System[J].ACTA ELECTRONICA SINICA,2021,49(10):1913-1919. DOI： 10.12263/DZXB.20210268.
摘要
本文提出了一种高线性度的全双工光载射频系统.该系统克服了下行链路三阶交调失真与周期性功率衰落的影响，同时对上行链路进行波长重用，简化了基站的成本和复杂度，实现了高线性度的全双工光载射频系统.实验结果表明，与基于单个马增调制器的常规系统相比，本系统下行链路中三阶交调失真得到明显抑制，克服了光纤色散引起的功率衰落，系统无杂散动态范围提高17dB，宽带信号的星座图和误差矢量幅度改善明显，另外，上行链路可以实现稳定的波长重用及宽带信号传输.
Abstract
In this paper
a full-duplex radio over fiber system with high linearity is proposed. The system overcomes the influence of the third-order intermodulation distortion and the periodic power fading in the downlink. At the same time
wavelength reuse is used in the uplink
which simplifies the complexity of the base station. A full duplex radio over fiber system with high linearity is realized. The experimental results show that compared with the conventional system based on single Mach Zehnder modulator
the third-order intermodulation distortion in the downlink of the proposed system is obviously suppressed and the influence of fiber dispersion is overcome
the spurious free dynamic range of the system is improved by 17dB
and the constellation and error vector amplitude of broadband RF signal are improved significantly. In addition
the uplink can achieve stable wavelength reuse and modulation transmission.
关键词
Keywords
references
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