Results 51 to 60 of about 785 (180)

Theoretical study on the effectiveness of optical filters to suppress orientation-based solar light noise

, 2021
It is well established in the literature that the performance of an underwater optical wireless communication (UOWC) system degrades due to various channel-based and environmental attributes.
Mahapatra, Saroj Kumar, Varshney, Shailendra Kumar   +1 more
core   +1 more source

A novel security‐based adaptive reconfigurable intelligent surfaces assisted clustering strategy

Electronics Letters, Volume 60, Issue 17, September 2024.
A multi‐hop RIS‐assisted underwater optical wireless communication (UOWC) system adopting the SA‐RIS clustering strategy, which aims to realize the efficient utilization of channel transmission strategy, is proposed in this letter. Closed‐form expressions of the PDF and CDF based on the proposed RIS‐assisted UOWC systems are derived in terms of SNR ...
Yue Tian, Xiaofan Zheng
wiley   +1 more source

Dual-Hop Mixed RF-UOW Communication System: A PHY Security Analysis

IEEE Access, 2018
In this paper, the secrecy performance of a dual-hop mixed radio-frequency/underwater optical wireless communication (RF-UOWC) system is investigated. The considered system consists of one single antenna source node (S) communicating with one destination
Elmehdi Illi, Faissal El Bouanani, Daniel Benevides Da Costa, Fouad Ayoub, Ugo Silva Dias   +4 more
doaj   +1 more source

Evaluating 60 GHz Band Underwater Optical Wireless Communication Performance Based on Low-Density Parity Check Coding Under Diverse Water Conditions and Noise Levels

IEEE Access
Underwater optical wireless communication (UOWC) is a recent advancement in optical wireless communication (OWC) that offers a higher capacity and bandwidth for underwater applications than traditional acoustic systems. However, UOWC links are vulnerable
Aser M. Matarneh, Aseel M. Rwaidi, Saqer S. Alja'afreh   +2 more
doaj   +1 more source

The Channel Impulse Response of SIMO Underwater Optical Wireless Communication Link based on Monte Carlo Simulation [PDF]

, 2019
In underwater optical wireless communications (UOWC)the channel impulse response is essential in characterizing the link. In this paper we investigate the impulse response of the single input multiple output UOWC link using Monte Carlo simulation for ...
Ghassemlooy, Zabih, Asghar Gholami, Behnaz Majlesein, Gholami, Asghar, Zabih Ghassemlooy, Majlesein, Behnaz   +5 more
core   +1 more source

Photon-Counting Underwater Wireless Optical Communication by Recovering Clock and Data From Discrete Single Photon Pulses

IEEE Photonics Journal, 2019
To realize a long-distance underwater communication by using low-cost light emitting diode (LED) and single photon avalanche diode (SPAD), we proposed a method for recovering clock and data directly from discrete random pulse sequences output by SPAD. On
Qiurong Yan, Zihang Li, Zhu Hong, Ting Zhan, Yuhao Wang   +4 more
doaj   +1 more source

Advancements in Underwater Optical Wireless Communication: Channel Modeling, PAPR Reduction, and Simulations With OFDM

IEEE Photonics Journal
Compared to underwater radio waves and acoustic communication technology, underwater optical communication technology has emerged as a technical means of underwater data and information transmission.
Liwei Yang, Zeyang Bi, Xue Liang, Lihao Zhao, Jiade Zhang, Jingyi Peng   +5 more
doaj   +1 more source

Impulse response modeling for underwater optical wireless channels [PDF]

, 2018
In underwater optical wireless communication (UOWC) channels, impulse response is widely used to describe the temporal dispersion of the received signals.
Mark S. Leeson, Li, Yiming, Leeson, Mark S., Li, Xiaofeng, Xiaofeng Li, Yiming Li   +5 more
core   +1 more source

Performance of non-line of sight underwater optical wireless communication links [PDF]

, 2019
Underwater optical wireless communication (UOWC) offers the prospect of higher bandwidths and data rates for underwater communications. However, UOWC systems also suffer from severe absorption and scattering introduced by the underwater channel. They may
Mark S. Leeson, Leeson, Mark S., Al-Amin B. Umar, Umar, A. B.   +3 more
core   +1 more source

Dynamic Resource Optimization for a Joint Max-Min Fairness and Energy-Efficiency Problem in NOMA-Aided Underwater Optical Wireless Systems

IEEE Open Journal of the Communications Society
In this paper, we present a dynamic beamforming optimization framework for multi-beam underwater optical wireless communication (UOWC) systems. The UOWC transmitter concurrently transmits multiple beams, and non-orthogonal multiple access (NOMA) is ...
Imene Romdhane, Ziyaur Rahman, Nahed Belhadj Mohamed, Md. Zoheb Hassan, Georges Kaddoum   +4 more
doaj   +1 more source