Effects of UV communication channel parameters on Turbo code

Zhang Xiaohui; Zuo Yong; Zhao Yanbing; Qin Heng; An Qi; Wu Jian

doi:10.13756/j.gtxyj.2014.06.021

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Effects of UV communication channel parameters on Turbo code

- Effects of UV communication channel parameters on Turbo code
- Study on Optical communication Issue 6, Pages: 73-75(2014)
- 作者机构：
  
  北京邮电大学信息光子学与光通信国家重点实验室
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2014.06.021
  CLC： TN929.1;TN911.2
- Published：2014，
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[1]张小卉,左勇,赵彦冰,秦恒,安琪,伍剑.紫外光通信信道参数对Turbo码的影响[J].光通信研究,2014(06):73-75.

Zhang Xiaohui, Zuo Yong, Zhao Yanbing, et al. Effects of UV communication channel parameters on Turbo code. [J]. (6):73-75(2014)
[1]张小卉,左勇,赵彦冰,秦恒,安琪,伍剑.紫外光通信信道参数对Turbo码的影响[J].光通信研究,2014(06):73-75. DOI： 10.13756/j.gtxyj.2014.06.021.

Zhang Xiaohui, Zuo Yong, Zhao Yanbing, et al. Effects of UV communication channel parameters on Turbo code. [J]. (6):73-75(2014) DOI： 10.13756/j.gtxyj.2014.06.021.

摘要

在紫外光通信中采用了纠错性能优异的Turbo码

用gamma-gamma湍流模型仿真信道中的大气湍流

考虑紫外光通信常用的PPM（脉冲位置调制）方式以及湍流的影响

在紫外信道中

分析了在相同的条件下折射率结构常数和波长等因素的变化给Turbo码性能带来的影响。仿真结果表明:在相同的条件下

折射率结构常数越小

波长越长

Turbo码的性能越好

该结论可为实际实现提供理论参考。

Abstract

This paper adopts Turbo code that has excellent error-correction performance in UV communications and simulates the atmospheric turbulences in the channels by using agamma-gamma turbulence model.Considering the Pulse Position Modulation（PPM）mode commonly used in UV communications and the effects of turbulence

it analyzes the variations of such factors as the refractive rate structural constant and wavelength on Turbo code performances.Simulation results reveal that under the same conditions

the smaller the structural constant and the longer the wavelength

the better performance the Turbo code will achieve.This conclusion provides a theoretical reference for its practical implementation.

关键词

紫外光大气湍流Turbo码

Keywords

UVatmospheric turbulenceTurbo code

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