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Underwater Optical Wireless Communication

open access: yesIEEE Access, 2016
Underwater wireless information transfer is of great interest to the military, industry, and the scientific community, as it plays an important role in tactical surveillance, pollution monitoring, oil control and maintenance, offshore explorations ...
Hemani Kaushal, Georges Kaddoum
doaj   +5 more sources

5G wavelength-division-multiplexing-based bidirectional optical wireless communication system with signal remodulation employing cascaded reflective semiconductor optical amplifiers [PDF]

open access: yesCommunications Engineering
Compared with previous generations, fifth-generation communications can provide faster download and upload speeds and support a greater number of connected devices. Integrating fifth-generation signals with optical wireless communication systems provides
Hai-Han Lu   +7 more
doaj   +2 more sources

Green indoor optical wireless communication systems: Pathway towards pervasive deployment

open access: yesDigital Communications and Networks, 2021
The Optical Wireless Communication (OWC) offers the high capacity of optical fiber communication with the flexibility of wireless communication. Since it works in the optical region of the ElectroMagnetic (EM) spectrum, it guarantees safety and security ...
C. Jenila, R.K. Jeyachitra
doaj   +3 more sources

Effects of High-Temperature Growth of Dislocation Filter Layers in GaAs-on-Si

open access: yesNanoscale Research Letters, 2022
GaAs-on-Si templates with two different dislocation filter layers (DFLs) were grown at 550 °C low-temperature (LT)-DFL and 660 °C high-temperature (HT)-DFL using metal organic vapor-phase epitaxy and the effects of the growth temperature were studied ...
HoSung Kim   +3 more
doaj   +1 more source

Energy-Efficient Trajectory Optimization for UAV-Based Hybrid FSO/RF Communications with Buffer Constraints

open access: yesEntropy, 2021
This paper focuses on an unmanned aerial vehicle (UAV) assisted hybrid free-space optical (FSO)/radio frequency (RF) communication system. Considering the rate imbalance between the FSO and RF links, a buffer is employed at the UAV.
Rong-Rong Lu   +5 more
doaj   +1 more source

Low-Complexity Beamforming Design for a Cooperative Reconfigurable Intelligent Surface-Aided Cell-Free Network

open access: yesSensors, 2023
Cell-free (CF) networks are proposed to suppress the interference among collocated cells by deploying several BSs without cell boundaries. Nevertheless, as installing several base stations (BSs) may require high power consumption, cooperative CF networks
Muhammad Zain Siddiqi   +6 more
doaj   +1 more source

Parasitic Elements Shorted to Ground to Enhance the Bandwidth of a Dual-Polarized Antenna

open access: yesInternational Journal of Antennas and Propagation, 2022
An ultra-wideband dual-polarized antenna covering multiple communication standards such as LTE700/GSM850/GSM900 is proposed in this paper. The antenna consists of two dipoles that are perpendicularly placed to each other. The two dipoles can generate +45°
Haokai Jia, Jinjun Mo, Lin Peng
doaj   +1 more source

ENHANCEMENT OF DATA MANAGEMENT IN BROADBAND WIRELESS COMMUNICATION SYSTEM USING MOBILITY MANAGEMENT MODEL

open access: yesICTACT Journal on Communication Technology, 2022
With the development of communication networks towards broadband and mobility, optical fiber wireless communication system combines optical fiber communication and wireless communication.
Nirmal Adhikari   +2 more
doaj   +1 more source

Experimental Study and Application of Response Mask Invariant Characteristic for Generalized Visible Light Communication Channel

open access: yesIEEE Photonics Journal, 2018
In this paper, we describe a generalized visible light communication (VLC) channel, which consists of the frequency responses of the light emitting diode (LED), the wireless optical channel, and the photo detector (PD).
Fangzhou Wu   +3 more
doaj   +1 more source

HRO-OFDM Scheme Design and Optimization for a Hybrid RF/VLC Baseband System

open access: yesIEEE Photonics Journal, 2017
A hybrid radio frequency (RF) and visible light communication (VLC) system can provide better data rate performance and user experience, and only the hybrid RF/VLC systems that use independent RF access points (APs) and VLC APs have been currently ...
Fangzhou Wu, Li Chen, Weidong Wang
doaj   +1 more source

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