Results 21 to 30 of about 785 (180)

Empowering the Future of Hybrid MIMO-RF UOWC: Advanced Statistical Framework for Channel Modeling and Optimization for the Post-5G Era and Beyond

IEEE Access, 2023
This research work examines the reliability of a wireless communication system that uses a hybrid radio frequency (RF) and underwater optical wireless communication (UOWC) in a dual-hop system.
Latif Jan, Ghassan Husnain, Waleed Tariq Sethi, Ihtisham Ul Haq, Yazeed Yasin Ghadi, Hend Khalid Alkahtani   +5 more
doaj   +2 more sources

Heterogeneous radio frequency/underwater optical wireless communication relaying systems with MIMO scheme

Digital Communications and Networks
This paper studies a cooperative relay transmission system within the framework of Multiple-Input Multiple-Output Radio Frequency/Underwater Optical Wireless Communication (MIMO-RF/UOWC), aiming to establish sea-based heterogeneous networks.
Sai Li, Liang Yang, Yusheng Sun, Qianfen Jiao   +3 more
doaj   +2 more sources

A Comprehensive Performance Comparison of DFT-S DMT and QAM-DMT in UOWC System in Different Water Environments

IEEE Photonics Journal, 2021
In this paper, we experimentally demonstrate a 450-nm laser underwater optical wireless transmission system, in which a comprehensive investigation is made to show the significant performance improvement of the discrete Fourier transform spread discrete ...
Ji Du, Xiaojian Hong, Yuan Wang, Zhanpeng Xu, Wenyi Zhao, Nanfei Lv, Chao Fei, Sailing He   +7 more
doaj   +2 more sources

Physical-Layer Security in Mixed UOWC-RF Networks With Energy Harvesting Relay Against Multiple Eavesdroppers

IEEE Open Journal of the Communications Society
In this study, physical layer security (PLS) in a dual-hop underwater optical wireless communication (UOWC)-radio frequency (RF) network under the intruding attempts of multiple eavesdroppers via RF links is considered. An intermediate decode-and-forward
Moloy Kumar Ghosh, Milton Kumar Kundu, M. Ibrahim, A. Badrudduza, M. S. Anower, I. S. Ansari, A. Solomon, S. Chakravarty, Imtiaz Ahmed, Heejung Yu   +9 more
semanticscholar   +3 more sources

An Improved Accurate Solver for the Time-Dependent RTE in Underwater Optical Wireless Communications

IEEE Access, 2019
Underwater optical wireless communication (UOWC) has been widely advocated as a viable way to satisfy these high-speed links constraints in the marine medium through the use of the visible spectrum.
Elmehdi Illi, Faissal El Bouanani, Ki-Hong Park, Fouad Ayoub, Mohamed-Slim Alouini   +4 more
doaj   +2 more sources

An Overview of Underwater Optical Wireless Communication Channel Simulations with a Focus on the Monte Carlo Method

Mathematics
Building a reliable and optimum underwater optical wireless communication (UOWC) system requires identifying all potential factors that cause the attenuation and dispersion of the optical signal.
Intesar Ramley, Hamdah M. Alzayed, Yas Al-Hadeethi, Mingguang Chen, Abeer Z. Barasheed   +4 more
doaj   +2 more sources

UOWC Integration with ROVs: A Fiber-Optic Approach for Enhanced Underwater Exploration

Journal of Electrical Systems
Underwater Optical Wireless Communication (UOWC) revolutionizes underwater exploration, leveraging seawater's unique property—reduced absorption of blue-green light. This offers superior advantages over traditional communication methods, providing higher
Swati Gandhi, Dipak P. Patil
semanticscholar   +2 more sources

Accurate Underwater Optical Wireless Communication Model With Both Line-of-Sight and Non-Line-of-Sight Channels

IEEE Photonics Journal, 2022
Underwater optical wireless communication (UOWC) systems have been widely studied to achieve high-speed wireless communications. To investigate and design UOWC systems, a mathematical model to characterize the accurate performance of UOWC systems is ...
Chengwei Fang, Shuo Li, Ke Wang
doaj   +1 more source

Impact of orientation-based solar light noise on the performance of underwater optical wireless communication system and noise cancellation

Results in Optics, 2022
Absorption, scattering, turbulence, and ambient light affect the performance of underwater optical wireless communication (UOWC) systems. Solar light is a form of undersea ambient light that causes interference to the UOWC system severely, and various ...
Saroj Kumar Mahapatra, Shailendra Kumar Varshney   +1 more
doaj   +1 more source

Probing Packet Retransmission Scheme in Underwater Optical Wireless Communication With Energy Harvesting

IEEE Access, 2021
Underwater Optical Wireless Communication (UOWC) is an up-and-coming technology to support the perception layer of the Internet of Underwater Things (IoUT).
Cuong T. Nguyen, Vuong V. Mai, Chuyen T. Nguyen   +2 more
doaj   +1 more source