Analysis of PAPR effects on OFDM-ROF system performances

Wei Song; Hu Zongfu

doi:10.13756/j.gtxyj.2010.06.009

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Analysis of PAPR effects on OFDM-ROF system performances

- Analysis of PAPR effects on OFDM-ROF system performances
- Study on Optical communication Issue 6, Pages: 58-60(2010)
- 作者机构：
  
  同济大学电子与信息工程学院
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2010.06.009
  CLC： TN919.3
- Published：2010，
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[1]卫松,胡宗福.PAPR对OFDM-ROF系统的性能影响分析[J].光通信研究,2010(06):58-60.

Wei Song, Hu Zongfu. Analysis of PAPR effects on OFDM-ROF system performances. [J]. (6):58-60(2010)
[1]卫松,胡宗福.PAPR对OFDM-ROF系统的性能影响分析[J].光通信研究,2010(06):58-60. DOI： 10.13756/j.gtxyj.2010.06.009.

Wei Song, Hu Zongfu. Analysis of PAPR effects on OFDM-ROF system performances. [J]. (6):58-60(2010) DOI： 10.13756/j.gtxyj.2010.06.009.

摘要

文章在建立正交频分复用（OFDM）-光纤无线电（ROF）模型的基础上

获得了在外部强度调制下无寄生动态范围（SFDR）等性能指标的表达式

着重分析了射频信号平均功率对OFDM-ROF系统的影响

并与单载波ROF系统进行了比较。结果表明

系统设计时应尽量降低射频信号平均功率以获得更好的性能指标。在相同的射频信号功率下

较单载波ROF系统而言

OFDM-ROF系统的SFDR有5 dB左右的下降

系统设计时应采取措施降低OFDM-ROF系统的峰均功率比（PA-PR）。

Abstract

On the basis of the modeling of OFDM-ROF system

we obtain the expressions for such performance indexes as Spurious-Free Dynamic Range（SFDR） under external intensity modulation

analyze the effects of the average RF signal power on the OFDM-ROF system and compare it with the single-carrier ROF system.Results show that the average RF signal power should be reduced as much as possible in system design so as to achieve better performances.Under the same RF signal power

the SFDR of the OFDM-ROF system is about 5 dB lower than that of the single-carrier ROF system

so we should take measures in system design to reduce the Peak-to-Average Power Ratio（PAPR） of the OFDM-ROF system.

关键词

正交频分复用光纤无线电无寄生动态范围峰均功率比

Keywords

OFDMROFSFDRPAPR

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School of Electronics and Information Engineering,Sias International University

Jilin JLU Communication Design Institute Co.,Ltd.

National Key Laboratory of Science and Technology on Communications,University of Electronic Science and Technology

State Key Laboratory of Communication Anti-jamming Technology,University of Electronic Science and Technology

Center of Software Technology,Chongqing University of Post and Telecommunications

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