Results 51 to 60 of about 1,828 (179)
Hybrid Radio over Fiber and Visible Light (RoF-VLC) Communication System [PDF]
We experimentally demonstrate the integration of Radio-over-Fiber and Visible Light Communication technologies, into a hybrid system for indoor communication. The system, realized according to IEEE 802.11g standard, works effectively at typical office luminance level.
A. M. Khalid +4 more
openaire +2 more sources
The feasibility of 3D‐printed optical antennas using commercial, non‐optical materials for Optical Wireless Communications (OWC) is demonstrated. This study combines spectral analysis, anisotropy effects, and telecom‐relevant optical measurements, revealing promising performance and novel insights for low‐cost, customizable photonic components in ...
Mauro Aresti +6 more
wiley +1 more source
To address the challenges of channel sensitivity and reliability in aircraft cabin environments, this paper proposes a reinforcement learning‐assisted bidirectional communication system utilizing visible light for the downlink and infrared for the uplink. By combining an improved, resource‐efficient LMMSE algorithm for channel estimation with RL‐driven
Lei Xiao +5 more
wiley +1 more source
Visible light communication (VLC) systems are highly vulnerable to line‐of‐sight (LoS) blockage in indoor environments. This paper presents a three‐dimensional geometry‐based stochastic framework for RIS‐assisted indoor VLC under blocked LoS conditions with stochastic user deployment, probabilistic blockage modelling and programmable RIS reflection ...
Antwi Owusu Agyeman +4 more
wiley +1 more source
Visible light communication (VLC) technology using light-emitting diodes (LEDs) is currently being discussed to solve the problem of oversaturation in radio frequency (RF) bands.
Se-Jin Park, Sung-Man Kim
doaj +1 more source
The demand of higher data rates has made it attractive to consider a low-cost laser diode (LD), such as vertical-cavity-surface-emitting laser (VCSEL) for use in visible light communication (VLC) transmitters (Tx) due to their higher electrical-to ...
Liang-Yu Wei +3 more
doaj +1 more source
This paper presents a comprehensive review of Internet of Things (IoT)‐deep reinforcement learning (DRL) integration for smart building energy management, with an emphasis on addressing renewable energy variability, real‐time decision‐making and interoperability challenges.
Tehseen Mazhar +2 more
wiley +1 more source
High Data Rate Discrete Wavelet Transform-Based PLC-VLC Design for 5G Communication Systems
The hybrid power line communication (PLC) and visible light communication (VLC) systems can be effectively utilized for the efficient design of 5G communication setup.
Sobia Baig +5 more
doaj +1 more source
Position Estimation Method Using RGB Values of LED Colour Temperature in a Fuzzy Logic System
This study proposes a novel LED‐based positioning system that estimates two‐dimensional position by analysing the chromaticity and frequency components (via FFT) of indoor lighting in tunnel environments where GPS signals are blocked. Experimental results demonstrate that the proposed method achieves reliable positioning accuracy within 5 cm in ...
Myung‐Hoon Sung +10 more
wiley +1 more source
Noise Analysis and Modeling in Visible Light Communication Using Allan Variance
Visible Light Communication (VLC) is a rising communication technology which uses Light-Emitting Diode (LED) luminaries for high-speed data transferring; however, the optical signal is usually degraded by the noise in the practical VLC system.
Luchi Hua +4 more
doaj +1 more source

