Results 21 to 30 of about 566,417 (282)
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
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
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
Visible light communications-based indoor positioning via compressed sensing [PDF]
, 2018 This paper presents an approach for visible light communication-based indoor positioning using compressed sensing. We consider a large number of light emitting diodes (LEDs) simultaneously transmitting their positional information and a user device ...
Ajmani, Manisha +3 more
core +3 more sources
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
AI-Enabled Intelligent Visible Light Communications: Challenges, Progress, and Future
Photonics, 2022 Visible light communication (VLC) is a highly promising complement to conventional wireless communication for local-area networking in future 6G. However, the extra electro-optical and photoelectric conversions in VLC systems usually introduce exceeding ...
Jianyang Shi +6 more
doaj +1 more source
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
Deep Q-Learning-Based Resource Allocation in NOMA Visible Light Communications
IEEE Open Journal of the Communications Society, 2022 Visible light communication (VLC) has been introduced as a key enabler for high-data rate wireless services in future wireless communication networks. In addition to this, it was also demonstrated recently that non-orthogonal multiple access (NOMA) can ...
Ahmed Al hammadi +5 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