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Recently, a camera or an image sensor receiver based optical wireless communications (OWC) techniques have attracted particular interest in areas such as the internet of things, indoor localization, motion capture, and intelligent…

Image and Video Processing · Electrical Eng. & Systems 2019-10-17 Nasir Saeed , Shuaishuai Guo , Ki-Hong Park , Tareq Y. Al-Naffouri , Mohamed-Slim Alouini

The underwater acoustic channel continues to present significant challenges to efficient throughput performance of underwater acoustic sensor networks (UASNs) in varying scenarios. As a result, cross-layer approaches that explore joint…

Information Theory · Computer Science 2016-04-05 Yanling Yin , Sumit Roy , Payman Arabshahi

Underwater optical wireless links have limited range and intermittent connectivity due to the hostile aquatic channel impairments and misalignment between the optical transceivers. Therefore, multi-hop communication can expand the…

Networking and Internet Architecture · Computer Science 2018-11-29 Nasir Saeed , Abdulkadir Celik , Mohamed-Slim Alouini , Tareq Y. Al-Naffouri

We investigate underwater optical communication system that is relayed by a single decode-and-forward (DF) relay through an exponential-generalized Gamma distribution (EGG) into a final destination. Specifically, a certain terminal device…

Information Theory · Computer Science 2019-11-12 Mohammed Amer , Yasser Al-Eryani

Seafloor observation network can perform all-weather, long-term, continuous, real-time, and in-situ observation of the ocean by combing various observation methods including cabled seafloor nodes, self-contained nodes, as well as mobile…

Networking and Internet Architecture · Computer Science 2024-05-16 Jialiang Zhang , Sujing Wang , Ziqi Ma , Guanjun Gao , Yonggang Guo , Fei Zhang , Shanguo Huang , Jie Zhang

In this paper, we investigate a new waveform for UWB systems obtained by the combination of Orthogonal Frequency Division Multiplex (OFDM) and Code Division Multiple Access (CDMA). The proposed system, called Spread Spectrum - Multi-Carrier…

Computational Physics · Physics 2007-05-23 Emeric Guéguen , Matthieu Crussière , Jean-François Hélard

We present a first detailed survey on underwater and air-water (A-W) wireless communication networks (WCNs) that mainly focuses on the security challenges and the countermeasures proposed to date. For clarity of exposition, this survey…

Signal Processing · Electrical Eng. & Systems 2022-09-07 Waqas Aman , Saif Al-Kuwari , Ambrish Kumar , Muhammad Mahboob Ur Rahman , Muhammad Muzzammil

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

This paper explores the transmission schemes for multi-channel water-to-air optical wireless communication (W2A-OWC) and introduces a prototype of a real-time W2A-OWC system based on a field-programmable gate array (FPGA). Utilizing an LED…

Signal Processing · Electrical Eng. & Systems 2024-11-20 Han Qi , Tianrui Lin , Tianjian Wei , Qingqing Hu , Siyan Sun , Nuo Huang , Chen Gong

Optical wireless communication (OWC) systems are a promising communication technology that can provide high data rates into the tens of Tb/s and can support multiple users at the same time. This paper investigates the optimum allocation of…

Signal Processing · Electrical Eng. & Systems 2020-01-09 Osama Alsulami , Amal Alahmadi , Sarah Saeed , Sana Hamid Mohamed , Taisir El-Gorashi , Mohammed Alresheedi , Jaafar Elmirghani

The continually growing demands for traffic as a result of advanced technologies in 5G and 6G systems offering services with intensive demands such as IoT and virtual reality applications has resulted in significant performance expectations…

Networking and Internet Architecture · Computer Science 2021-12-01 Abrar S. Alhazmi , Sanaa H. Mohamed and , T. E. H. El-Gorashi , Jaafar M. H. Elmirghani

Optical wireless communication (OWC) has the potential to provide high communication speeds that support the massive use of the Internet that is expected in the near future. In OWC, optical access points (APs) are deployed on the celling to…

The cross-domain oceanic connectivity ranging from underwater to the sky has become increasingly indispensable for a plethora of data-consuming maritime applications, such as maritime meteorological monitoring and offshore exploration.…

Signal Processing · Electrical Eng. & Systems 2026-03-05 Tianqi Mao , Jiayue Liu , Zeping Sui , Leyu Cao , Xiao Liang , Dezhi Zheng , Zhaocheng Wang

Optical Wireless Communication networks (OWC) has emerged as a promising technology that enables high-speed and reliable communication bandwidth for a variety of applications. In this work, we investigated applying Random Linear Network…

Information Theory · Computer Science 2023-05-09 Ahmed Ali Hassan , Ahmed Adnan Qidan , Taisir Elgorashi , Jaafar Elmirghani

Underwater sensor networks are anticipated to facilitate numerous commercial and military applications. Moreover, precise self-localization in practical underwater scenario is a crucial challenge in sensor networks because of the complexity…

Signal Processing · Electrical Eng. & Systems 2023-06-13 Maliha Tasnim , Rashed Hasan Ratul

Non-orthogonal multiple access (NoMA) as an efficient way of radio resource sharing can root back to the network information theory. For generations of wireless communication systems design, orthogonal multiple access (OMA) schemes in time,…

Optical wireless technology has the potential to complement the wireless access services provided so far over RF. Apart from the abundant unlicensed bandwidth available for ultra-dense deployments over optical wireless bands, optical…

Optimization and Control · Mathematics 2023-12-20 Mohsen Abedi , Alexis A. Dowhuszko , Risto Wichman

Intensified underwater activities have driven the escalating demand for reliable, flexible, and high data-rate underwater communication links. Optical wireless communication (OWC) emerges as the most promising technology for short- to…

Signal Processing · Electrical Eng. & Systems 2024-04-25 Yujie Di , Anzi Xu , Lian-Kuan Chen

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 article discusses the fundamental architectures for optical wireless systems for biomedical applications. After summarizing the main applications and reporting their requirements, {we describe the characteristics of the transdermal and…

Signal Processing · Electrical Eng. & Systems 2020-05-04 Alexandros-Apostolos A. Boulogeorgos , Stylianos E. Trevlakis , Nestor D. Chatzidiamantis