Results 41 to 50 of about 379 (143)

Data Transmission through Li-Fi in Underwater [PDF]

, 2022
The emerging optical wireless communication techniques have offered high data rates in Gbps and visible light promises low attenuation of signal strength which provides high data density. The proposed method deals with the transmission of data underwater
Dr C Padmaja, Kurra Pallavi
core   +1 more source

Dual-Branch Pre-Distorted Enhanced ADO-OFDM for Full-Duplex Underwater Optical Wireless Communication System

Photonics, 2021
In this paper, dual-branch pre-distorted enhanced asymmetrically clipped direct current (DC) biased optical orthogonal frequency division multiplexing (PEADO-OFDM) for underwater optical wireless communication (UOWC) is firstly proposed and simulated ...
Zixian Wei, Yibin Li, Zhaoming Wang, Junbin Fang, Hongyan Fu   +4 more
doaj   +1 more source

Design, Channel Modeling and Simulation of LED-Based Short-Range Underwater Optical Communication Systems [PDF]

, 2023
The number and complexity of subsea applications is constantly increasing, as are the demands on data traffic. Fast underwater optical wireless communication (UOWC) represents a solution for shorter distances.
Sticklus, Jan
core  

Synchronous Clock Recovery of Photon-Counting Underwater Optical Wireless Communication Based on Deep Learning

Photonics, 2022
In photon-counting underwater optical wireless communication (UOWC), the recovery of the time slot synchronous clock is extremely important, and it is the basis of symbol synchronization and frame synchronization.
Haodong Yang, Qiurong Yan, Ming Wang, Yuhao Wang, Peng Li, Wei Wang   +5 more
doaj   +1 more source

Enhancing security of TAS/MRC-based mixed RF-UOWC system with induced underwater turbulence effect [PDF]

, 2021
Post commercial deployment of fifth-generation (5G) technologies, the consideration of sixth-generation (6G) networks is drawing remarkable attention from research communities.
Ansari, Imran Shafique, Badrudduza, A.S.M., Hossen, Md. Shakhawat, Ibrahim, Md., Kundu, Milton Kumar   +4 more
core   +2 more sources

Experimental Demonstration of High-Sensitivity Underwater Optical Wireless Communication Based on Photocounting Receiver

Photonics, 2021
In this paper, we propose a high-sensitivity long-reach underwater optical wireless communication (UOWC) system with an Mbps-scale data rate. Using a commercial blue light-emitting diode (LED) source, a photon counting receiver, and return-to-zero on–off
Chao Li, Zichen Liu, Daomin Chen, Xiong Deng, Fulong Yan, Siqi Li, Zhijia Hu   +6 more
doaj   +1 more source

Empirical Study of the Underwater Turbulence Effect on Non-Coherent Light [PDF]

, 2020
This letter presents an experimental study comparing the relative impact of turbulence induced scattering on coherent and non-coherent light propagating through water.
Geldard, Callum T., Popoola, Wasiu O., Thompson, John   +2 more
core   +2 more sources

Performance Analysis of a Dual-Hop FSO–Vertical UOWC Link for Seamless Air-to-Underwater Connectivity

IEEE Open Journal of the Communications Society
In this paper, an analytical model is proposed for a dual-hop Free Space Optical (FSO) and vertical Underwater Optical Wireless Communication (UOWC) system designed to achieve seamless connectivity between air and underwater environments.
Savidhan Shetty C S, Praveen Kumar, Ramavath Prasad Naik, G. Saravanan, G. D. Goutham Simha   +4 more
doaj   +1 more source

Challenges and Opportunities of Optical Wireless Communication Technologies [PDF]

, 2017
In this chapter, we present various opportunities of using optical wireless communication (OWC) technologies in each sector of optical communication networks. Moreover, challenges of optical wireless network implementations are investigated.
Alimi, Isiaka, Shahpari, Ali, Sousa, Artur, Ferreira, Ricardo, Monteiro, Paulo, Teixeira, António   +5 more
core   +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