Results 41 to 50 of about 847,683 (321)
Theoretical and Experimental Analysis of LED Lamp for Visible Light Communications
Wireless personal communications, 2022 Visible light communications (VLC) are an emerging technology that uses light-emitting diodes (LEDs) and photodiodes to provide high-speed communication between devices employing the visible light spectrum.
Marcelo de Oliveira +4 more
semanticscholar +1 more source
Intelligent Reflecting Surfaces for Enhanced NOMA-based Visible Light Communications [PDF]
ICC 2022 - IEEE International Conference on Communications, 2021 The emerging intelligent reflecting surface (IRS) technology introduces the potential of controlled light propagation in visible light communication (VLC) systems.
Hanaa Abumarshoud +3 more
semanticscholar +1 more source
IEEE Photonics Journal, 2015 In the paper, an experimental comparison of pulse amplitude, carrierless amplitude-phase, and discrete multitone modulations is carried in a visible light communications link employing white phosphorescent light-emitting diode (LED) as a transmitter.
G. Stepniak, L. Maksymiuk, J. Siuzdak
doaj +1 more source
A Comparison of VLC Receivers That Incorporate Two Different SiPMs
IEEE Photonics Journal, 2023 Previously, when selecting silicon photomultipliers (SiPMs) for use in visible light communications (VLC) systems the bandwidth of the SiPM has been a high priority.
Zubair Ahmed +3 more
doaj +1 more source
Optical Adaptive Precoding for Visible Light Communications
IEEE Access, 2018 Multiple-input-multiple-output (MIMO) techniques have recently demonstrated significant potentials in visible light communications (VLC), as they can overcome the modulation bandwidth limitation and provide substantial improvement in terms of spectral ...
Hanaa Marshoud +4 more
doaj +1 more source
An Experimental and Numerical Study of the Impact of Ambient Light of SiPMs in VLC Receivers
Photonics, 2022 Silicon photomultiplier’s relatively large area and ability to detect single photons makes them attractive as receivers for visible light communications.
William Matthews, Steve Collins
doaj +1 more source
Cooperative Visible Light Communications With Full-Duplex Relaying
IEEE Photonics Journal, 2017 In this paper, we investigate cooperative visible light communication (VLC) system where an intermediate light source acts as a relay terminal. We assume that relay terminal operates in full-duplex mode.
Omer Narmanlioglu +3 more
doaj +1 more source
Duobinary Modulation for Visible Light Communications [PDF]
, 2019 The paper proposes and experimentally investigates the performance of the duobinary transmission technique for a highly bandlimited VLC system. By adding a controlled amount of inter-symbol interference (ISI) into the transmitted signals through the use ...
Chvojka, Petr +4 more
core +4 more sources
Hybrid Visible Light and Ultrasound-Based Sensor for Distance Estimation
Sensors, 2017 Distance estimation plays an important role in location-based services, which has become very popular in recent years. In this paper, a new short range cricket sensor-based approach is proposed for indoor location applications.
Jose Rabadan +5 more
doaj +1 more source
Sum-Rate Maximization for UAV-Assisted Visible Light Communications Using NOMA: Swarm Intelligence Meets Machine Learning [PDF]
IEEE Internet of Things Journal, 2020 As the integration of unmanned aerial vehicles (UAVs) into visible light communications (VLCs) can offer many benefits for massive-connectivity applications and services in 5G and beyond, this article considers a UAV-assisted VLC using nonorthogonal ...
Viet Quoc Pham +4 more
semanticscholar +1 more source