A review of gallium nitride LEDs for multi-gigabit-per-second visible light data communications

S Rajbhandari, JJD McKendry… - Semiconductor …, 2017 - iopscience.iop.org
The field of visible light communications (VLC) has gained significant interest over the last
decade, in both fibre and free-space embodiments. In fibre systems, the availability of low …

A survey on higher-order QAM constellations: Technical challenges, recent advances, and future trends

PK Singya, P Shaik, N Kumar, V Bhatia… - IEEE Open Journal of …, 2021 - ieeexplore.ieee.org
Communication system's performance is sensitive to bandwidth, power, cost etc. There have
been various solutions to improve the performance, out of them, one of the fundamental …

[КНИГА][B] Optical wireless communications: system and channel modelling with Matlab®

Z Ghassemlooy, W Popoola, S Rajbhandari - 2019 - taylorfrancis.com
The 2nd Edition of Optical Wireless Communications: System and Channel Modelling with
MATLAB® with additional new materials, is a self-contained volume that provides a concise …

8-Gb/s RGBY LED-based WDM VLC system employing high-order CAP modulation and hybrid post equalizer

Y Wang, L Tao, X Huang, J Shi, N Chi - IEEE photonics journal, 2015 - ieeexplore.ieee.org
In this paper, for the first time, we propose the use of a hybrid post equalizer in a high-order
carrierless-amplitude-and-phase-modulation-based visible light communication (VLC) …

1.6 Gbit/s phosphorescent white LED based VLC transmission using a cascaded pre-equalization circuit and a differential outputs PIN receiver

X Huang, Z Wang, J Shi, Y Wang, N Chi - Optics express, 2015 - opg.optica.org
We proposed a cascaded amplitude equalizer used for high speed visible light
communications (VLC) system. With the cascaded pre-equalization circuit, the− 3dB …

200-m/500-Mbps underwater wireless optical communication system utilizing a sparse nonlinear equalizer with a variable step size generalized orthogonal matching …

Y Dai, X Chen, X Yang, Z Tong, Z Du, W Lyu… - Optics …, 2021 - opg.optica.org
Linear and nonlinear impairments in underwater wireless optical communication (UWOC)
systems caused by the limited bandwidth and nonlinearity of devices severely degrade the …

4.5-Gb/s RGB-LED based WDM visible light communication system employing CAP modulation and RLS based adaptive equalization

Y Wang, X Huang, L Tao, J Shi, N Chi - Optics express, 2015 - opg.optica.org
Inter-symbol interference (ISI) is one of the key problems that seriously limit transmission
data rate in high-speed VLC systems. To eliminate ISI and further improve the system …

Nonlinear distortion mitigation in visible light communications

K Ying, Z Yu, RJ Baxley, H Qian… - IEEE Wireless …, 2015 - ieeexplore.ieee.org
Many physical devices used in VLC systems exhibit nonlinear effects, which can significantly
degrade the overall system performance. For example, the LED is the major source of …

Channel characteristics of visible light communications within dynamic indoor environment

P Chvojka, S Zvanovec, PA Haigh… - Journal of Lightwave …, 2015 - ieeexplore.ieee.org
Visible light communications (VLC) is a new emerging technology, which provides both data
transmission and illumination by utilizing the visible range (370-780 nm) of the …

Enhanced performance of a high-speed WDM CAP64 VLC system employing Volterra series-based nonlinear equalizer

Y Wang, L Tao, X Huang, J Shi, N Chi - IEEE Photonics Journal, 2015 - ieeexplore.ieee.org
The light-emitting diode nonlinearity in visible light communication (VLC) systems is
considered to be a major problem that deteriorates system performance. In this paper, we …