A Free Space Optical Communication System using Manchester Encoded Signals for Communication Applications between Islands on the Ocean

YANG Jie; SHAO Yu-feng; WANG An-rong; WANG Zhuang; HU Qin-zheng; YI Lin-fang; TIAN Qing; YU Ni; YANG Qi-ming

doi:10.13756/j.gtxyj.2022.03.011

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A Free Space Optical Communication System using Manchester Encoded Signals for Communication Applications between Islands on the Ocean

更新时间：2022-06-15

- A Free Space Optical Communication System using Manchester Encoded Signals for Communication Applications between Islands on the Ocean
- Study on Optical Communications Issue 3, Pages: 61-64,78(2022)
- 作者机构：
  
  重庆三峡学院　电子与信息工程学院，重庆　404100
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2022.03.011
  CLC： TN929.1
- Published：10 June 2022，
  
  Received：11 August 2021，
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YANG Jie, SHAO Yu-feng, WANG An-rong, et al. A Free Space Optical Communication System using Manchester Encoded Signals for Communication Applications between Islands on the Ocean. [J]. Study on Optical Communications (3):61-64,78(2022)
DOI：

YANG Jie, SHAO Yu-feng, WANG An-rong, et al. A Free Space Optical Communication System using Manchester Encoded Signals for Communication Applications between Islands on the Ocean. [J]. Study on Optical Communications (3):61-64,78(2022) DOI： 10.13756/j.gtxyj.2022.03.011.

摘要

针对海岛间通信系统存在建设成本高和传输信号需要中继放大等问题，文章采用曼彻斯特编解码设计了一种新型自由空间光(FSO)通信系统，支持100 km海底光缆(采用G.654普通单模光纤)级联1 km FSO无线链路实现10 Gbit/s光信号的收发和传输。文章采用仿真实验测试了无线光信号在晴天、雨天和雾天中传输前后的时域波形、光谱、眼图和误码率(BER)等指标。研究结果表明，光信号接收机灵敏度在背对背系统中为-18.92 dBm；光信号接收机在晴天、雨天和雾天，经100 km海底光缆级联1 km FSO信道传输信号时的灵敏度分别为-17.72、-16.66和-11.16 dBm。相关结果证明，应用曼彻斯特码的海岛间FSO通信系统在未来海域信息传输领域具有重要的潜在应用价值。

Abstract

The communication system between the islands has the problems of high cost and the transmitted signal may require relay amplification. In order to solve this issue

a novel Free Space Optical (FSO) communication system using Manchester encoded and decoded signals is designed. It can support 10 Gbit/s optical signal transmission over 100 km submarine cable (using G. 654 standard single-mode fiber) cascaded with 1 km FSO wireless link. We evaluate the performance by measuring the time-domain waveform

optical spectrum

eye diagrams and Bit Error Rate (BER) in simulation with Manchester coded signals

under sunny

rainy and foggy day. The measured results show that the receiver sensitivity can reach -18.92 dBm at the back-to-back system. Under the 100 km submarine cable and 1 km FSO wireless link

the receiver sensitivity can reach -17.72

-16.66 and -11.16 dBm in the sunny

rainy and foggy day

respectively. The simulation results prove that the FSO communication system using Manchester code may have potential application in the field of islands information transmission in the future.

关键词

自由空间光通信曼彻斯特码海岛光谱误码率

Keywords

FSO communicationManchester codeislandoptical spectrumBER

references

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