A Survey of Key Technologies of Underwater Visible Light Communication

GUO Yin-jing; XU Feng; QU Yan-xi; BAO Jian-kang; Lü Wen-hong

doi:10.13756/j.gtxyj.2020.02.001

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A Survey of Key Technologies of Underwater Visible Light Communication

- A Survey of Key Technologies of Underwater Visible Light Communication
- Study on Optical communication Issue 2, Pages: 1-6(2020)
- 作者机构：
  
  1. 山东科技大学电子信息工程学院
  2. 2. 青岛智海牧洋有限公司
  3. 山东科技大学电气与自动化工程学院
  4. 山东科技大学交通学院
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2020.02.001
  CLC： TN929.3
- Published：2020，
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[1]郭银景,徐锋,屈衍玺,鲍建康,吕文红.水下可见光通信关键技术综述[J].光通信研究,2020(02):1-6+19.

GUO Yin-jing, XU Feng, QU Yan-xi, et al. A Survey of Key Technologies of Underwater Visible Light Communication. [J]. (2):1-6(2020)
[1]郭银景,徐锋,屈衍玺,鲍建康,吕文红.水下可见光通信关键技术综述[J].光通信研究,2020(02):1-6+19. DOI： 10.13756/j.gtxyj.2020.02.001.

GUO Yin-jing, XU Feng, QU Yan-xi, et al. A Survey of Key Technologies of Underwater Visible Light Communication. [J]. (2):1-6(2020) DOI： 10.13756/j.gtxyj.2020.02.001.

摘要

水下可见光通信（UVLC）作为水下无线通信技术的一个重要分支

在海洋环境监测与水下军事斗争等领域有着十分广泛的应用。文章首先简单介绍了UVLC的研究背景、意义及难点

接着从光学衰减建模、垂直信道建模与湍流信道建模3个角度对水下可见光信道建模技术进行综述

并调查了水下可见光不同调制技术相关的研究成果。由分析可知

一方面

UVLC在水平方向上的光学衰减建模趋于完善

目前还未建立准确且完整的水下可见光湍流与垂直信道模型;另一方面

强度调制在水下可见光调制技术中占据主流

相干调制则通常用于提高系统的可靠性。最后分别从构建UVLC网络和自适应调制编码的角度对未来UVLC可能的发展方向进行了论述。

Abstract

Underwater Visible Light Communication（UVLC）

as an important branch of underwater wireless communication technology

is widely used in the field of marine environmental monitoring and underwater military struggle. This paper first briefly introduces the research background

significance and difficulties of UVLC. Then we summarize the underwater visible light channel modeling technology from three aspects including optical attenuation modeling

vertical channel modeling and turbulence channel modeling. Finally

we investigate the research results related to different underwater visible light modulation technologies. It can be seen from the analysis that the modeling of optical attenuation in the horizontal direction of UVLC tends to be perfect. At present

there is no accurate and complete model of underwater visible light turbulence and vertical channel. On the other hand

intensity modulation is the mainstream in underwater visible light modulation technology

while coherent modulation is usually used to improve the reliability of the system. The possible development direction of UVLC in the future is also discussed from the perspective of constructing UVLC network and adaptive modulation coding.

关键词

水下可见光通信信道建模信号调制

Keywords

underwatervisible light communicationchannel modelingsignal modulation

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