Results 121 to 130 of about 785 (180)

Impulse Response Modeling and Dynamic Analysis for SIMO UOWC Systems Enhanced by RIS-Equipped UUVs

IEEE Transactions on Vehicular Technology
The marine environment has a large share of more than 70% of the earth, and there is a growing human need for marine information system construction. The existing underwater optical wireless communication (UOWC) has the advantage of high rate and low ...
Zixian Wei, Junbin Fang, Luyao Wang
exaly   +2 more sources

Dual Threats in RIS-Aided RF-UOWC Mixed Networks: Secrecy Performance Analysis under Simultaneous RF and UOWC Eavesdropping

CoRR
In the dynamic realm of 6G technology, emphasizing security is essential, particularly for optimizing high-performance communication. A notable strategy involves the use of reconfigurable intelligent surfaces (RISs), an emerging and cost-efficient ...
M. Rakib, M. Ibrahim, A. Badrudduza, I. S. Ansari   +3 more
semanticscholar   +3 more sources

Diversity-enhanced multicarrier transmission for secure, band-limited, and turbulent UOWC systems.

Optics Letters
Low-pass band limitation and turbulence are two critical issues faced by practical underwater optical wireless communication (UOWC) systems. In this Letter, we propose an orthogonal frequency division multiplexing (OFDM)-based diversity-enhanced ...
Yang Ye, Chen Chen, Zhihong Zeng, Dengke Wang, Harald Haas   +4 more
semanticscholar   +3 more sources

Exponential SPGD Algorithm for Adaptive Optics Systems in UOWC

2025 IEEE Photonics Conference (IPC)
A novel adaptive optics (AO) algorithm based on an exponential loop gain is presented with the objective of increasing the efficiency of the stochastic parallel gradient descent (SPGD) algorithm in correcting optical wireless signal distortion, caused by
Sara Torres-Valenzuela, Pedro Salcedo-Serrano, J. M. Garrido-Balsells, A. Puerta-Notario, R. Boluda-Ruiz, B. Castillo-Vázquez, A. García-Zambrana   +6 more
semanticscholar   +2 more sources

A Configurable OFDM Baseband Processor for RF-UOWC System-on-Chip

2024 Asia Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC)
Dual-hop radio-frequency underwater optical wireless communication (RF-UOWC) systems enable underwater communication as well as above-water communication.
T. Adiono, Erwin Setiawan, Michael Jonathan, R. Mulyawan, Nana Sutisna, I. Syafalni, W. Popoola   +6 more
semanticscholar   +2 more sources

Polarization Multiplexing Based UOWC Systems Under Bubble Turbulence

Journal of Lightwave Technology, 2023
High-speed and turbulence-tolerant transmission links are required to meet the growing demand for underwater optical wireless communication (UOWC). However, most previous works were implemented in statically simulated underwater channels with uniform ...
Bohua Deng, Jiwei Wang, Zhaoming Wang, Zeyad A. H. Qasem, Qian Li, Xinke Tang, Chen Chen, H. Fu   +7 more
semanticscholar   +2 more sources

Design and Implementation of Automatic Beam Alignment System for LD-PMT Based UOWC

2025 IEEE Wireless Communications and Networking Conference (WCNC)
This paper demonstrates an automatic beam alignment system for a laser diode (LD)-photomultiplier tube (PMT) based underwater optical wireless communication (UOWC) system. Initially, the imaging characteristics of the underwater laser spot are described.
Jiachao Wang, Weijie Liu, Nuo Huang, Zhengyuan Xu, Yuwei Chen   +4 more
semanticscholar   +2 more sources

Parallel and Pipeline Multicore OFDM Baseband Processor for Wideband UOWC Systems

IEEE Transactions on Circuits and Systems I: Regular Papers
Optical wireless communication (OWC) has been considered a promising solution for overcoming the spectrum limitations of RF in wireless communication.
T. Adiono, Erwin Setiawan, Michael Jonathan, Nana Sutisna, R. Mulyawan, I. Syafalni, W. Popoola   +6 more
semanticscholar   +2 more sources

Relay-Assisted UOWC-FSO System Under Pointing Errors

2024 IEEE 99th Vehicular Technology Conference (VTC2024-Spring)
Underwater optical wireless communication (UOWC) systems are attracting attention in the context of beyond 5G/6G networks for their capacity to ensure reliable and high-data-rate communications. The system under consideration consists of underwater nodes
Hao Wang, C. B. Naila, Hiraku Okada, Masaaki Katayama   +3 more
semanticscholar   +2 more sources

Mse-Reduced Uowc Using Uneven Pam4 and Piecewise Linear Equalizer

2025 30th OptoElectronics and Communications Conference (OECC) and 2025 International Conference on Photonics in Switching and Computing (PSC)
We experimentally demonstrate a UOWC system using uneven PAM4 scheme with a piecewise linear equalizer, achieving a 94.5% reduction of mean squared error, which matches the standard quality assessment for image and video transmissions.
Haoyu Huang, Zhiyan Chen, Zixian Wei, Changyuan Yu, Qian Li, H. Fu   +5 more
semanticscholar   +2 more sources