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首页 > 过刊浏览>2022年第5卷第4期 >313-321. DOI:10.19838/j.issn.2096-5753.2022.04.006
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基于信号处理的水下无线光通信综述
作者:
作者简介:

陈潇(1996-),男,博士生,主要从事水下无线光通信方面的研究。

中图分类号:

TN929.1

基金项目:

国家自然科学基金“基于多像素光子计数器和二维分集接收的长距离水下激光通信系统研究”(61971378)；中国科学院战略性先导科技专项(A 类)“深海定向超高速短距离蓝绿激光通信技术”(XDA22030208)；舟山市–浙江大学联合研究项目“高速长距离水下无线光通信技术研究”(2019C81081)


Overview of Underwater Optical Wireless Communication Based on Signal Processing
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    摘要:

    水下无线光通信(UOWC)具有高带宽、低时延和抗电磁干扰等优势，成为水下数据传输的重要手段之一。简述了 UOWC 的发展史，总结了基于高性能光电器件和数字信号处理(DSP)2 种方案的高速率长距离和高可靠性 UOWC 系统的研究现状。DSP 中的调制技术能够实现通信速率和传输距离的折衷；信道均衡技术能够消除码间干扰，增大调制带宽；信道编码技术能够纠正接收信号中的错误；分集复用技术则能够分别提高系统可靠性和通信速率。除了研究高性能的光电器件以外，引入 DSP 技术能够从软件层面进一步提高系统性能。

    Abstract:

    Due to the advantages of high bandwidth，low delay，and anti-interference ability，Underwater Optical Wireless Communication(UOWC)has become one of the important ways of underwater data transmission. The development history of UOWC is briefly described，and the research status of high-speed，long-distance and high-reliable UOWC systems based on high-performance optoelectronic devices and Digital Signal Processing (DSP)is summarized. The modulation technology can realize the tradeoff between data rate and transmission distance. Channel equalization technology can eliminate inter-symbol interference and increase the modulation bandwidth. Channel coding technology can correct the errors in the received signals. Diversity and multiplexing technology can improve the reliability and data rate of the system， respectively. In addition to studying high-performance optoelectronic devices，the employment of DSP technology can furtherly improve the system performance at the software level.

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陈潇,徐敬.基于信号处理的水下无线光通信综述[J].数字海洋与水下攻防,2022,5(4):313-321

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