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Localization accuracy is of paramount importance for the proper operation of underwater optical wireless sensor networks (UOWSNs). However, underwater localization is prone to hostile environmental impediments such as drifts due to the…

Networking and Internet Architecture · Computer Science 2019-12-24 Nasir Saeed , Abdulkadir Celik , Mohamed-Slim Alouini , Tareq Y. Al-Naffouri

Underwater optical wireless technologies offer multiple advantages over the acoustic technology. Acoustic signals, for instance, are susceptible to noise from marine sources due to marine life and human activities. This is not the case with…

Signal Processing · Electrical Eng. & Systems 2025-04-23 Alain R. Ndjiongue , Octavia A. Dobre , Hyundong Shin , Harald Haas

This paper will focus on the energy efficiency issue in Underwater Wireless Sensor Networks. In underwater environment, the two main issues are namely: reliability and energy efficiency. These two issues are twisted pair. Reliability…

Networking and Internet Architecture · Computer Science 2013-10-11 S. Pavan Kumar Reddy , Y. Ganesh Kumar Reddy , K. Chandra Mouli , U. Seshadri

Underwater imagery has enabled numerous civilian applications in various domains, ranging from academia to industry, and from industrial surveillance and maintenance to environmental protection and behavior of marine creatures studies. The…

Signal Processing · Electrical Eng. & Systems 2019-10-22 Mehdi Rahmati , Dario Pompili

Ultra-reliable underwater acoustic (UWA) communications serve as one of the key enabling technologies for future space-air-ground-underwater integrated networks. However, the reliability of current UWA transmission is still insufficient…

Signal Processing · Electrical Eng. & Systems 2025-07-01 Xuehan Wang , Hengyu Zhang , Jintao Wang , Zhi Sun , Bo Ai

Optical wireless communication is a promising technology for underwater broadband access networks, which are particularly important for high-resolution environmental monitoring applications. This paper focuses on a deep sea monitoring…

Networking and Internet Architecture · Computer Science 2020-12-22 Yoshiaki Inoue , Takahiro Kodama , Tomotaka Kimura

Underwater acoustic (UWA) communications have been widely used but greatly impaired due to the complicated nature of the underwater environment. In order to improve UWA communications, modeling and understanding the UWA channel is…

Signal Processing · Electrical Eng. & Systems 2022-05-31 Oluwaseyi Onasami , Ming Feng , Hao Xu , Mulugeta Haile , Lijun Qian

Underwater Wireless Optical Communication is a key enabling technology for future space-air-ground-sea integrated networks. However, UOWC faces critical hurdles from spatial randomness and stringent energy constraints. These challenges…

Information Theory · Computer Science 2026-03-13 Qiyu Ma , Jiajie Xu , Mohamed-Slim Alouini

Underwater wireless optical communications is an emerging solution to the expanding demand for broadband links in oceans and seas. In this paper, a cellular underwater wireless optical code division multiple-access (UW-OCDMA) network is…

Networking and Internet Architecture · Computer Science 2016-02-26 Farhad Akhoundi , Mohammad Vahid Jamali , Navid Banihassan , Hamzeh Beyranvand , Amir Minoofar , Jawad A. Salehi

Advancements in 6G wireless technology have elevated the importance of beamforming, especially for attaining ultra-high data rates via millimeter-wave (mmWave) frequency deployment. Although promising, mmWave bands require substantial beam…

Networking and Internet Architecture · Computer Science 2024-07-31 Avi Deb Raha , Kitae Kim , Apurba Adhikary , Mrityunjoy Gain , Zhu Han , Choong Seon Hong

Future smart ocean applications require long distance and reliable communications to connect underwater sensors/robots with remote surface base stations. It is challenging to achieve such goal due to the harsh and dynamic underwater…

Signal Processing · Electrical Eng. & Systems 2019-10-28 Zhangyu Li , Soham Desai , Vaishnendr D Sudev , Pu Wang , Jinsong Han , Zhi Sun

In this paper, we analytically study the performance of multiple-input multiple-output underwater wireless optical communication (MIMO UWOC) systems with on-off keying (OOK) modulation. To mitigate turbulence-induced fading, which is…

Information Theory · Computer Science 2016-12-20 Mohammad Vahid Jamali , Jawad A. Salehi , Farhad Akhoundi

As the demand for underwater communication continues to grow, underwater acoustic RIS (UARIS), as an emerging paradigm in underwater acoustic communication (UAC), can significantly improve the communication rate of underwater acoustic…

Signal Processing · Electrical Eng. & Systems 2024-12-03 Ziqi Chen , Jun Du , Chunxiao Jiang , Zhu Han

Underwater acoustic (UWA) communications generally rely on cognitive radio (CR)-based ad-hoc networks due to challenges such as long propagation delay, limited channel resources, and high attenuation. To address the constraints of limited…

Signal Processing · Electrical Eng. & Systems 2025-06-17 Minwoo Kim , Youngchol Choi , Yeongjun Kim , Eojin Seo , Hyun Jong Yang

Underwater wireless optical communication is one of the critical technologies for buoy-based high-speed cross-sea surface communication, where the communication nodes are vertically deployed. Due to the vertically inhomogeneous nature of…

Information Theory · Computer Science 2020-08-10 Yi Lou , Julian Cheng , Donghu Nie , Gang Qiao

Future wireless networks are envisioned to support both sensing and artificial intelligence (AI) services. However, conventional integrated sensing and communication (ISAC) networks may not be suitable due to the ignorance of diverse…

Networking and Internet Architecture · Computer Science 2024-09-04 Wenhao Zhuang , Xinyu He , Yuyi Mao , Juan Liu

Fluid antenna system (FAS) is emerging as a key technology for enhancing spatial flexibility and sensing accuracy in future wireless systems. This paper investigates an unmanned aerial vehicle (UAV)-enabled FAS for multi-target wireless…

Information Theory · Computer Science 2025-09-29 Xuhui Zhang , Wenchao Liu , Chunjie Wang , Jinke Ren , Huijun Xing , Shuqiang Wang , Yanyan Shen

This study presents a simulation model for underwater 6G networks, focusing on the optimized placement of sensors, AUVs, and hubs. The network architecture consists of fixed hub stations, mobile autonomous underwater vehicles (AUVs), and…

Networking and Internet Architecture · Computer Science 2025-09-30 Mustafa Yavuz Engin , Mehmet Ozdem , Tuğçe Bilen

This paper presents an analysis of the performance of a Gaussian optical beam as it propagates through the turbulent underwater optical channel (UWOC) under the weak turbulence regime, where optical signal experiences significant fading and…

Optics · Physics 2025-12-03 Shideh Tayebnaimi , Kamran Kiasaleh

This paper presents a unified analytical framework for a two phase underwater wireless optical communication (UWOC) system that integrates Simultaneous Lightwave Information and Power Transfer (SLIPT) using a photovoltaic (PV) panel…

Numerical Analysis · Mathematics 2025-11-14 Shunyuan Shang , Ziyuan Shi , Mohamed-Slim Alouini