Error performance analysis of TCM code in PPM-based optical communication systems

Liu Penghu; Ao Faliang; Yang Zhicheng

doi:10.13756/j.gtxyj.2008.02.014

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Error performance analysis of TCM code in PPM-based optical communication systems

- Error performance analysis of TCM code in PPM-based optical communication systems
- Study on Optical communication Issue 2, Pages: 14-17(2008)
- 作者机构：
  
  1. 桂林电子科技大学信息与通信学院
  2. 桂林电子科技大学信息与通信学院广西桂林541004
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2008.02.014
  CLC： TN914
- Published：2008，
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[1]刘朋壶,敖发良,杨志程.TCM码在光PPM通信系统中的误码性能分析[J].光通信研究,2008(02):14-17.

Liu Penghu, Ao Faliang, Yang Zhicheng. Error performance analysis of TCM code in PPM-based optical communication systems. [J]. (2):14-17(2008)
[1]刘朋壶,敖发良,杨志程.TCM码在光PPM通信系统中的误码性能分析[J].光通信研究,2008(02):14-17. DOI： 10.13756/j.gtxyj.2008.02.014.

Liu Penghu, Ao Faliang, Yang Zhicheng. Error performance analysis of TCM code in PPM-based optical communication systems. [J]. (2):14-17(2008) DOI： 10.13756/j.gtxyj.2008.02.014.

摘要

文章把网格编码调制（TCM）引入到光脉冲位置调制（PPM）中

研究其对光PPM系统误码性能的改善。通过理论推导及对8T-PPM、16PPM和16T-PPM、32PPM分别进行MATLAB仿真

得到以下结论:在保持带宽不变的前提下

8T-PPM与16PPM信息速率相同

但前者误码性能优于后者

且最大达到4.8 dB;虽然16T-PPM的信息速率是32PPM的1.2倍

但前者误码性能优于后者

且最大可达到3.4 dB。TCM确实能有效地改善系统的误码性能。

Abstract

Trellis Coded Modulation（TCM）is introduced into PPM to investigate the error performance improvement in optical Pulse Position Modulation（PPM） systems.Theoretical deduction and MATLAB simulation and comparisons of 8T-PPM with 16 PPM and 16T-PPM with 32 PPM respectively

produce the following results.When the bandwidth is kept constant

8T-PPM and 16 PPM have the same information rate

but the error performance of the former is better than the latter

up to 4.8 dB at the maximum.On the other hand

the information rate of 16T-PPM is 1.2 times that of 32PPM

but it has better error performance

up to 3.4 dB at the most.These results prove that the introduction of TCM into PPM does effectively improve the error performance of the system.

关键词

脉冲位置调制网格编码调制MATLAB误码率

Keywords

PPMTCMMATLABerror rate

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Related Institution

State Key Laboratory of Optical Communication Technologies and Networks, China Information Communication Technologies Group Corporation

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

State Key Laboratory of Optical Fiber and Cable Manufacturing Technology

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

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

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