Clipping Noise Mitigation in Optical OFDM Systems

被引：18

作者：

He, Cuiwei ^{[1
]}

Armstrong, Jean ^{[1
]}

机构：

[1] Monash Univ, Dept Elect & Comp Syst Engn, Melbourne, Vic 3800, Australia

来源：

IEEE COMMUNICATIONS LETTERS | 2017年 / 21卷 / 03期

关键词：

Intensity modulation/direct detection (IM/DD); optical OFDM; clipping noise; THEORETICAL CHARACTERIZATION;

D O I：

10.1109/LCOMM.2016.2643630

中图分类号：

TN [电子技术、通信技术];

学科分类号：

0809 ;

摘要：

This letter describes a new non-linear algorithm for clipping noise mitigation in intensity modulation/direct detection dc biased optical orthogonal frequency division multiplexing (DCO-OFDM) systems. Clipping noise is often the major limitation in DCO-OFDM. In this letter, we show that extra information about the clipped signal can be extracted using a non-linear process and then used to mitigate the clipping noise. The effectiveness of the new algorithm is demonstrated by simulation and in an optical wireless experiment.

引用

页码：548 / 551

页数：4

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