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Related papers: A Robust UWOC-assisted Multi-hop Topology for Unde…

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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

This paper aims to propose a significant way of remote access and real time monitoring of a particular geographic area by integrating wireless sensor clouds with existing Telecom infrastructure and applications built around them through a…

Networking and Internet Architecture · Computer Science 2010-09-09 Dhruv Srivastava , Dr. Priya Ranjan

Localization of underwater networks is important in many military and civil applications. Because GPS receivers do not work below the water surface, traditional localization methods form a relative topology of underwater nodes (UWNs) and…

Signal Processing · Electrical Eng. & Systems 2022-01-24 Muntasir Mahmud , Mohamed Younis , Gary Carter , Fow-Sen Choa

We analyze a secure two-hop mixed radio frequency (RF) and underwater wireless optical communication (UWOC) system using a fixed-gain amplify-and-forward (AF) relay. The UWOC channel is modeled using a unified mixture…

Information Theory · Computer Science 2020-09-22 Yi Lou , Ruofan Sun , Julian Cheng , Songzuo Liu , Feng Zhou , Gang Qiao

Underwater monitoring and surveillance systems are essential for underwater target detection, localization and classification. The aim of this work is to investigate the possibility of target detection by using data transmission between…

Signal Processing · Electrical Eng. & Systems 2024-09-18 Lu Shen , Yuriy Zakharov , Benjamin Henson , Nils Morozs , Benoît Parrein , Paul D. Mitchell

Oceans, covering 70% of Earth's surface, arelargely unexplored, with about 95% remaining a mystery.Underwater wireless communication is pivotal in various domains,such as real-time aquatic data collection, marine surveillance,disaster…

Networking and Internet Architecture · Computer Science 2023-12-20 Mehran Tarif , Babak Nouri Moghadam

The breakthroughs of communication distance and data rate have been eagerly anticipated by scientists in the area of underwater wireless optical communication (UWOC), which is seriously limited by the obvious aquatic attenuation in…

Optics · Physics 2024-11-19 Xiaohe Dong , Kuokuo Zhang , Caiming Sun , Jun Zhang , Aidong Zhang , Lijun Wang

In this paper, we investigate the performance of a reconfigurable intelligent surface (RIS)-assisted dual-hop mixed radio-frequency underwater wireless optical communication (RF-UWOC) system. An RIS is an emerging and low-cost technology…

Information Theory · Computer Science 2020-11-19 Sai Li , Liang Yang , Daniel Benevides da Costa , Marco Di Renzo , Mohamed-Slim Alouini

In general, a buoy relay is used to connect the underwater communication to the terrestrial network over a radio or optical wireless communication (OWC) link. The use of relay deployment may pose security and deployment issues. This paper…

Information Theory · Computer Science 2023-07-21 Ziyaur Rahman , S. M. Zafaruddin , V. K. Chaubey

This paper aims to propose a significant way of remote access and real time monitoring of a particular geographic area by integrating wireless sensor clouds with existing Telecom infrastructure and applications built around them through a…

Networking and Internet Architecture · Computer Science 2010-09-09 Dhruv Srivastava

Since its inception, underwater digital acoustic communication has required custom hardware that neither has the economies of scale nor is pervasive. We present the first acoustic system that brings underwater messaging capabilities to…

Networking and Internet Architecture · Computer Science 2022-08-24 Tuochao Chen , Justin Chan , Shyamnath Gollakota

In this paper, we model the multi-layer vertical underwater link as a cascaded channel and unify the performance analysis for the underwater optical communication (UWOC) system using generalized Gamma (GG), exponential GG (EGG),…

Information Theory · Computer Science 2022-03-30 Ziyaur Rahman , Neel Vipulbhai Tailor , S. M. Zafaruddin , V. K. Chaubey

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

In this paper, we characterize the performance of relay-assisted underwater wireless optical code division multiple access (OCDMA) networks over turbulent channels. In addition to scattering and absorption effects of underwater channels, we…

Information Theory · Computer Science 2016-02-23 Mohammad Vahid Jamali , Farhad Akhoundi , Jawad A. Salehi

We analyze the problem of localization algorithms for underwater sensor networks. We first characterize the underwater channel for radio communications and adjust a linear model with measurements of real transmissions. We propose an…

Networking and Internet Architecture · Computer Science 2016-04-14 Javier Zazo , Santiago Zazo , Sergio Valcarcel Macua , Marina Pérez , Iván Pérez-Álvarez , Laura Cardona , Eduardo Quevedo

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

Internet of underwater things (IoUT) is a technological revolution that could mark a new era for scientific, industrial, and military underwater applications. To mitigate the hostile underwater channel characteristics, this paper hybridizes…

Networking and Internet Architecture · Computer Science 2020-02-21 Abdulkadir Celik , Nasir Saeed , Basem Shihada , Tareq Y. Al-Naffouri , Mohamed-Slim Alouini

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

In this work, we propose a reliable, power efficient and high throughput routing protocol for Wireless Body Area Networks (WBANs). We use multi-hop topology to achieve minimum energy consumption and longer network lifetime. We propose a…

Networking and Internet Architecture · Computer Science 2016-11-15 Q. Nadeem , N. Javaid , S. N. Mohammad , M. Y. Khan , S. Sarfraz , M. Gull

Underwater acoustic sensor networks (UASNs) are often used for environmental and industrial sensing in undersea/ocean space, therefore, these networks are also named underwater wireless sensor networks (UWSNs). Underwater sensor networks…

Networking and Internet Architecture · Computer Science 2019-03-26 Mohammad Sharif-Yazd , Mohammad Reza Khosravi , Mohammad Kazem Moghimi