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The reliability of a vertical underwater wireless optical communication (UWOC) network is seriously impacted by turbulence-induced fading due to fluctuations in the water temperature and salinity, which vary with depth. To better assess the…

Signal Processing · Electrical Eng. & Systems 2023-08-14 Dongling Xu , Xiang Yi , Yalçn Ata , Xinyue Tao , Yuxuan Li , Peng Yue

Underwater optical wireless communication (UOWC) is becoming an attractive technology for underwater wireless sensor networks (UWSNs) since it offers high-speed communication links. Although UOWC overcomes the drawbacks of acoustic and…

Networking and Internet Architecture · Computer Science 2018-11-14 Rawan Alghamdi , Nasir Saeed , Hayssam Dahrouj , Tareq Y. Al-Naffouri , Mohamed-Slim Alouini

In this paper, we consider an intensity modulated direct detection MIMO optical wireless communication (OWC) system. For such a system, a novel super-rectangular cover theory is developed to characterize both the unique identifiability and…

Information Theory · Computer Science 2016-07-15 Yan-Yu Zhang , Hong-Yi Yu , Jian-Kang Zhang , Jin-Long Wang

This Letter presents a novel hybrid underwater wireless optical communication (UWOC) system that integrates underwater optical access points (UOAPs) with a passive optical network (PON)-based fiber-optic backhaul to provide a resilient…

Systems and Control · Electrical Eng. & Systems 2025-10-21 Aboozar Heydaribeni , Hamzeh Beyranvand

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

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

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…

Information Theory · Computer Science 2024-08-13 Md. Abdur Rakib , Md. Ibrahim , A. S. M. Badrudduza , Imran Shafique Ansari

A unified statistical model is proposed to characterize turbulence-induced fading in underwater wireless optical communication (UWOC) channels in the presence of air bubbles and temperature gradient for fresh and salty waters, based on…

Information Theory · Computer Science 2018-10-16 Emna Zedini , Hassan M. Oubei , Abla Kammoun , Mounir Hamdi , Boon S. Ooi , Mohamed-Slim Alouini

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

Compared with line-of-sight (LOS) communication, nonline-of-sight (NLOS) underwater wireless optical communication (UWOC) systems have garnered extensive attention because of their heightened suitability for the intricate and dynamic…

Atmospheric and Oceanic Physics · Physics 2025-01-23 Peng Yue , XiangRu Wang , Shan Xu , YunLong Li

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

Signal transmission over underwater optical wireless communication (UOWC) experiences the combined effect of oceanic turbulence and pointing errors statistically modeled using the sum of two Meijer-G functions. There is a research gap in…

Signal Processing · Electrical Eng. & Systems 2024-09-18 Arvind Kumar , Nikumani Choudhury , Jayendra N. Bandyopadhyay , S. M. Zafaruddin

Since security has been one of the crucial issues for high-yield communications such as 5G and 6G, the researchers continuously come up with newer techniques to enhance the security and performance of these progressive wireless…

Information Theory · Computer Science 2021-12-14 T. Hossain , S. Shabab , A. S. M. Badrudduza , M. K. Kundu , I. S. Ansari

We analyze the secrecy performance of a two-hop mixed radio frequency (RF)/underwater wireless optical communication (UWOC) system using a decode-and-forward (DF) relay. All RF and UWOC links are modeled by the $\alpha-\mu$ and…

Information Theory · Computer Science 2020-09-02 Yi Lou , Ruofan Sun , Julian Cheng , Donghu Nie , Gang Qiao

In this paper, we consider a multiple-input-multiple-output optical wireless communication (MIMO-OWC) system in the presence of log-normal fading. In this scenario, a general criterion for the design of full-diversity space code (FDSC) with…

Information Theory · Computer Science 2015-09-25 Yan-Yu Zhang , Hong-Yi Yu , Jian-Kang Zhang , Yi-Jun Zhu , Jin-Long Wang , Tao Wang

Multihop relaying is a potential technique to mitigate channel impairments in optical wireless communications (OWC). In this paper, multiple fixed-gain amplify-and-forward (AF) relays are employed to enhance the OWC performance under the…

Information Theory · Computer Science 2022-04-19 Ziyaur Rahman , S. M. Zafaruddin , V. K. Chaubey

The future connectivity landscape and, notably, the 5G wireless systems will feature Ultra-Reliable Low Latency Communication (URLLC). The coupling of high reliability and low latency requirements in URLLC use cases makes the wireless…

The diversity-multiplexing tradeoff (DMT) provides a fundamental performance metric for different multiple-input multiple-output (MIMO) schemes in wireless communications. In this paper, we explore the block fading optical wireless…

Information Theory · Computer Science 2021-12-10 Sufang Yang , Longguang Li , Haoyue Tang , Jintao Wang

The idea of ultra-wideband (UWB) communications for short ranges (up to a few tens of meters) has been around for nearly three decades. However, despite significant efforts by the industry, UWB deployment has not yet reached its predicted…

Signal Processing · Electrical Eng. & Systems 2025-09-10 Brian Nelson , Hussein Moradi , Behrouz Farhang-Boroujeny

This work deals with the physical layer security performance of a dual-hop underwater optical communication (UOWC)-radio frequency (RF) network under the intruding attempts of multiple eavesdroppers via RF links. The intermediate decode and…