Design of SDPPM Modulation and Demodulation System for Ultraviolet Optical Communication

GONG Jia-min; WANG Zhi-long; TANG Qi; LI Chun-yan; Jiang Liang

doi:10.13756/j.gtxyj.2018.01.017

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Design of SDPPM Modulation and Demodulation System for Ultraviolet Optical Communication

- Design of SDPPM Modulation and Demodulation System for Ultraviolet Optical Communication
- Study on Optical communication Issue 1, Pages: 66-69(2018)
- 作者机构：
  
  西安邮电大学电子工程学院
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2018.01.017
  CLC： TN929.1
- Published：2018，
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[1]巩稼民,王智龙,汤琦,李春燕,蒋亮.紫外光通信SDPPM调制解调系统设计[J].光通信研究,2018(01):66-69.

GONG Jia-min, WANG Zhi-long, TANG Qi, et al. Design of SDPPM Modulation and Demodulation System for Ultraviolet Optical Communication. [J]. (1):66-69(2018)
[1]巩稼民,王智龙,汤琦,李春燕,蒋亮.紫外光通信SDPPM调制解调系统设计[J].光通信研究,2018(01):66-69. DOI： 10.13756/j.gtxyj.2018.01.017.

GONG Jia-min, WANG Zhi-long, TANG Qi, et al. Design of SDPPM Modulation and Demodulation System for Ultraviolet Optical Communication. [J]. (1):66-69(2018) DOI： 10.13756/j.gtxyj.2018.01.017.

摘要

为了降低紫外光通信中多径色散效应对系统性能的影响

提高传输信道抗干扰能力

选用分离双脉冲位置调制（SDPPM）方案完成紫外光通信系统的设计。该调制方式脉冲相互分离

具有较强的抗干扰能力

可有效解决码间串扰问题。通过对SDPPM符号结构的分析

基于现场可编程门阵列对SDPPM调制解调系统进行设计

特别对解调系统的帧同步做了详细说明。使用甚高速集成电路硬件描述语言在ISE 14.7软件上完成代码编写

并用Modelsim 10.1a进行了时序仿真

进一步验证了调制方案的可行性。

Abstract

In order to reduce the influence of multipath dispersion effect on system performance and improve the anti-jamming capability of transmission channel

Separated Dual Pulse Position Modulation（SDPPM）scheme is used to complete the design of UV communication system.The pulse positions are separated from each other in SDPPM modulation symbols

which can effectively solve the inter-symbol interference problem.After the analysis of the SDPPM modulation symbol structure

SDPPM modulation and demodulation system is designed based on Field Programmable Gata Array（FPGA）.The frame synchronization of demodulation system is specifically described in detail.We use VHDL language in ISE 14.7 software to complete the code and Modelsim 10.1 afor the timing simulation

which further demonstrate the feasibility of the modulation scheme.

关键词

分离双脉冲位置调制紫外光通信帧同步调制解调

Keywords

SDPPMUV communicationframe synchronizationmodulation and demodulation

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Related Institution

College of Information Engineering,North China University of Technology

State Key Laboratory of Information Photonics and Optical Communications,Institute of Optical Communication and Optoelectronics,BUPT

SKL of OCTN,Wuhan Research Institute of Post and Telecommunications

光纤通信技术和网络国家重点实验室武汉邮电科学研究院湖北武汉430074

华中理工大学电信系

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