Temporal dispersion compensation for turbid underwater optical wireless communication links

Li, Yiming; Liang, Haodong; Gao, Chao; Miao, Maoke; Li, Xiaofeng

doi:10.1016/j.optcom.2018.11.062

Cited by 6 publications

(2 citation statements)

References 13 publications

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“…To avoid this, the mean-square error linear equalizer (MSE-LE) has been studied. Unlike the ZF-LE eliminating the ISI, the MSE-LE passes a small part of ISI to the output to improve the SNR and BER in UOWC systems [31,106]. It needs to be mentioned that we only give a snapshot here and more details of these works are presented later.…”

Section: Signal Processing Techniquesmentioning

confidence: 99%

High-Speed Underwater Optical Wireless Communication with Advanced Signal Processing Methods Survey

Fang

Wang

et al. 2023

Photonics

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Underwater wireless communication (UWC) technology has attracted widespread attention in the past few years. Compared with conventional acoustic underwater wireless communication technology, underwater optical wireless communication (UOWC) technology has promising potential to provide high data rate wireless connections due to the large license-free bandwidth. Building a high-performance and reliable UOWC system has become the target of researchers and various advanced and innovative technologies have been proposed and investigated. Among them, better hardware such as transmitters and receivers, as well as more advanced modulation and signal processing techniques, are key factors in improving UOWC system performance. In this paper, we review the recent development in UOWC systems. In particular, we provide a brief introduction to different types of UOWC systems based on channel configuration, and we focus on various recent studies on advanced signal processing methods in UOWC systems, including both traditional non-machine learning (NML) equalizers and machine learning (ML) schemes based on neural networks. In addition, we also discuss the key challenges in UOWC systems for future applications.

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Section: Signal Processing Techniquesmentioning

confidence: 99%

High-Speed Underwater Optical Wireless Communication with Advanced Signal Processing Methods Survey

Fang

Wang

et al. 2023

Photonics

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“…The turbulence effect plays a very significant role in the terrestrial optical wireless links [39][40][41][42]. However, in the corresponding underwater systems, turbulence is still a significant mitigation factor for their performance [18,43,44]. More specifically, by assuming weak water turbulence, the irradiance fluctuations at the receiver of the UOWC link can be studied through the log-normal (LN) distribution.…”

Section: The Underwater Channel Modelmentioning

confidence: 99%

Time Jitter, Turbulence and Chromatic Dispersion in Underwater Optical Wireless Links

et al. 2019

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The performance of an underwater optical wireless communication link is investigated by taking into account—for the first time and to the best of our knowledge—the simultaneous influence of the chromatic dispersion, the time jitter and the turbulence effects, by assuming chirped longitudinal Gaussian pulse propagation as information carriers. The estimation procedure is presented and a novel probability density function is extracted in order to describe the irradiance fluctuations at the receiver side. Furthermore, the availability of the link is investigated by means of its probability of fade and various numerical results are presented using typical parameters for the underwater optical wireless communication systems.

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Historical Overview

Glickstein

Mandal

2022

Synthesis Lectures on Engineering, Science, and Technology

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Temporal dispersion compensation for turbid underwater optical wireless communication links

Cited by 6 publications

References 13 publications

High-Speed Underwater Optical Wireless Communication with Advanced Signal Processing Methods Survey

High-Speed Underwater Optical Wireless Communication with Advanced Signal Processing Methods Survey

Time Jitter, Turbulence and Chromatic Dispersion in Underwater Optical Wireless Links

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