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Internet of Underwater Things: Applications and Challenges

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Electrical, Electronics and Communications Engineering".

Deadline for manuscript submissions: closed (10 September 2022) | Viewed by 2605

Special Issue Editor


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Guest Editor
School of Electronics and Information Engineering, South China University of Technology, Guangzhou 510640, China
Interests: underwater acoustic communication; wireless communication; array signal processing; wireless network

Special Issue Information

Dear Colleagues,

The ocean is an important place for human activities such as fishery and maritime transportation. As human activities in oceans continuously increase, the provisioning of high-performance, cost-effective and reliable communication network services in oceans becomes an important research topic. Since radio signals and optical signals do not propagate through long distances underwater, as they suffer from severe path losses and scattering with high frequency, acoustic waves appear to be a good choice. However, underwater acoustic links are significantly different from radio links in certain aspects, such as their low propagation speed, long transmission range, and limited bandwidth. The communication techniques and networking protocols successfully applied in radio networks cannot be directly extended to an acoustic network. Meanwhile, underwater devices are usually expensive and difficult to deploy. Hence, underwater internet access appears to be the most challenging issue in the application of maritime internet.

This Special Issue will focus on key theoretical and practical design issues for provisioning underwater internet access, as well as up-to-date underwater devices. Topics of interest in this Special Issue include but are not limited to the following keywords:

  • Reliable underwater acoustic communication;
  • Efficient short-range underwater wireless communication;
  • Air–water boundary-crossing communication technologies;
  • Energy-efficient network protocols for underwater dynamic networks;
  • Architecture of maritime internet;
  • Underwater sensing;
  • Underwater positioning;
  • Water surface gateway;
  • High-performance underwater unmanned platforms;
  • New application scenario of underwater networks.

Prof. Dr. Fangjiong Chen
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Applied Sciences is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Published Papers (1 paper)

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Research

18 pages, 11529 KiB  
Article
Design and Analysis of an Optical–Acoustic Cooperative Communication System for an Underwater Remote-Operated Vehicle
by Jun He, Jie Li, Xiaowu Zhu, Shangkun Xiong and Fangjiong Chen
Appl. Sci. 2022, 12(11), 5533; https://doi.org/10.3390/app12115533 - 30 May 2022
Cited by 6 | Viewed by 2205
Abstract
Underwater wireless communication technology plays a key role in the field of marine equipment technology. In this paper, we experimentally demonstrate an underwater optical–acoustic cooperative communication platform for an underwater wireless data transmission system. The system utilizes an underwater Remote-Operated Vehicle (ROV) as [...] Read more.
Underwater wireless communication technology plays a key role in the field of marine equipment technology. In this paper, we experimentally demonstrate an underwater optical–acoustic cooperative communication platform for an underwater wireless data transmission system. The system utilizes an underwater Remote-Operated Vehicle (ROV) as a carrier, equipped with LEDbased optical communication and acoustic communication modems. In particular, the system applies optical communication to transmit large-scale data and applies acoustic communication to provide acoustic-assisted signaling exchange before optical transmission and Automatic Repeat Request (ARQ) during optical transmission. By experimentally measuring the transmission distance under different water quality conditions, we found that the system can achieve a data rate of up to 5 Mb/s over a laboratory underwater channel of 7.6 m. By comparing the attenuation coefficients for the outdoor underwater environment with that in clear seawater, we estimate that the achievable link distance in clear seawater can reach 11 m with a data rate of 3.125 MB/s. The proposed system takes both implementation complexity and cost into consideration and also provides significant guidance for future real-time high-speed underwater optical–acoustic communications. Full article
(This article belongs to the Special Issue Internet of Underwater Things: Applications and Challenges)
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