Peak-to-average power ratio reduction in OOFDM systems using asymmetrically clipping technique

Chen Lin1; Fang Yong1; Wang Min1

doi:10.13756/j.gtxyj.2011.06.013

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Peak-to-average power ratio reduction in OOFDM systems using asymmetrically clipping technique

- Peak-to-average power ratio reduction in OOFDM systems using asymmetrically clipping technique
- Study on Optical communication Issue 6, Pages: 35-37(2011)
- 作者机构：
  
  1. 上海大学通信与信息工程学院特种光纤与光接入网重点实验室
  2. 上海电力学院计算机与信息工程学院
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2011.06.013
  CLC： TN919.3
- Published：2011，
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[1]陈琳,方勇,汪敏.基于非对称限幅法降低OOFDM系统的PAPR[J].光通信研究,2011(06):35-37.

Chen Lin1, Fang Yong1, Wang Min1. Peak-to-average power ratio reduction in OOFDM systems using asymmetrically clipping technique. [J]. (6):35-37(2011)
[1]陈琳,方勇,汪敏.基于非对称限幅法降低OOFDM系统的PAPR[J].光通信研究,2011(06):35-37. DOI： 10.13756/j.gtxyj.2011.06.013.

Chen Lin1, Fang Yong1, Wang Min1. Peak-to-average power ratio reduction in OOFDM systems using asymmetrically clipping technique. [J]. (6):35-37(2011) DOI： 10.13756/j.gtxyj.2011.06.013.

摘要

为降低OOFDM（光正交频分复用）系统中的高PAPR（峰均功率比）

文章提出了一种基于非对称限幅法的抑制算法

其核心思想是通过门限电平去除信号负项并对信号峰值进行限幅

产生满足OOFDM系统要求的正、实基带信号

同时联合滤波技术避免较大PAPR的出现。仿真结果表明

该方法既能有效地改善PAPR特性

又能保证系统获得可靠的误码率性能。

Abstract

In this paper

an asymmetrically clipping technique is proposed for the reduction of the Peak-to-Average Power Ratio（PAPR） in Optical Orthogonal Frequency Division Multiplexing（OOFDM） systems.Its main idea is to generate positive and real baseband signals that satisfy the requirements of the OOFDM systems by deleting the negative terms of the signals and clipping their peak values with the threshold levels and at the same time avoid high PAPR in the OOFDM systems with the filtering technique.Simulation results show that this algorithm can both effectively improve the PAPR features and ensure reliable system BER performance.

关键词

光正交频分复用峰均功率比非对称限幅法

Keywords

OOFDMPAPRasymmetrically clipping technique

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School of Electronic Information and Communication, Huazhong University of Science and Technology

Lab.of Optical Fiber Sensing and Communications, University of Electronic Science and Technology

School of Communication and Information Engineering, Chongqing University of Posts and Telecommunications

School of Electronics and Information Engineering,Sias International University

Jilin JLU Communication Design Institute Co.,Ltd.

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