Review of Orthogonal Frequency Division Multiplexing-Based Modulation Techniques for Light Fidelity

R Alindra, PS Priambodo, K Ramli - Journal of Low Power Electronics and …, 2023 - mdpi.com
Light Fidelity (LiFi) technology has gained attention and is growing rapidly today. Utilizing
light as a propagation medium allows LiFi to promise a wider bandwidth than existing …

Performance analysis of layered ACO-OFDM

X Zhang, Q Wang, R Zhang, S Chen, L Hanzo - IEEE Access, 2017 - ieeexplore.ieee.org
Layered asymmetrically clipped optical orthogonal frequency division multiplexing (LACO-
OFDM) has been proposed for improving the spectral efficiency of conventional …

PAPR reduction of OFDM signal through DFT precoding and GMSK pulse shaping in indoor VLC

R Ahmad, A Srivastava - IEEE Access, 2020 - ieeexplore.ieee.org
Optical orthogonal-frequency-division-multiplexing (O-OFDM) has been widely explored for
visible light communication (VLC) to achieve high data rates. However, O-OFDM suffers from …

Joint security enhancement and PAPR mitigation for OFDM-NOMA VLC systems

Y Wu, Y Hu, Z Wan, T Wang, Y Sun, Q Zhang - Optics Communications, 2022 - Elsevier
Security is of crucial importance to visible light communication (VLC) systems. In this paper,
we propose and experimentally demonstrate a secure non-orthogonal multiple access …

Absolute value layered ACO-OFDM for intensity-modulated optical wireless channels

R Bai, S Hranilovic - IEEE Transactions on Communications, 2020 - ieeexplore.ieee.org
Enhanced unipolar orthogonal frequency division multiplexing (eU-OFDM) and layered
asymmetrically clipped optical OFDM (LACO-OFDM) are spectrally efficient modulation …

Spectrum-efficient triple-layer hybrid optical OFDM for IM/DD-based optical wireless communications

T Zhang, H Ji, Z Ghassemlooy, X Tang, B Lin… - IEEE …, 2020 - ieeexplore.ieee.org
In this paper, a triple-layer hybrid optical orthogonal frequency division multiplexing (THO-
OFDM) for intensity modulation with direct detection (IM/DD) systems with a high spectral …

90-m/560-Mbps underwater wireless optical communication utilizing subband multiple-mode full permutation CAP combined with an SNR-weighted detector and multi …

W Ge, Z Du, C Cai, G Song, S Qin, H Wang, T Zhang… - Optics …, 2023 - opg.optica.org
In this paper, a joint signal processing scheme including a subband multiple-mode full
permutation carrierless amplitude phase modulation (SMMP-CAP), signal-to-noise ratio …

Performance enhancement of ACO-OFDM-based VLC systems using a hybrid autoencoder scheme

L Hao, D Wang, W Cheng, J Li, A Ma - Optics Communications, 2019 - Elsevier
High peak-to-average-power ratio (PAPR) and the LED nonlinearity have significant impacts
on the performance of indoor Visible Light Communication (VLC) orthogonal frequency …

Optical filter designs for multi-color visible light communication

P Ge, X Liang, J Wang, C Zhao… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
In visible light communication (VLC), using multiple colors is an efficient way to enhance
data rate, leading to multi-color VLC (MC-VLC). However, the performance of MC-VLC is …

Efficient OFDMA for LiFi downlink

X Ling, J Wang, Z Ding, C Zhao… - Journal of Lightwave …, 2018 - ieeexplore.ieee.org
Light-fidelity (LiFi) relies on visible light communication to provide multiuser access in a
small cell. For higher throughput, this paper studies the resource allocation problem for an …