Performance analysis of symmetrical and bidirectional 40 Gbps TWDM-PON employing m-QAM-OFDM modulation with multi-color LDs based VLC system

M Kumari, A Sheetal, R Sharma - Optical and quantum electronics, 2021 - Springer
In this work, a full-duplex time and wavelength division multiplexing-passive optical network
(TWDM-PON) system is analysed. Orthogonal frequency division multiplexing (OFDM) with …

Development and investigation of 5G fiber-wireless access network based hybrid 16× 10 Gbps 2048 split TWDM/DWDM super PON for IoT applications

M Kumari - Optical and Quantum Electronics, 2022 - Springer
Super-passive optical network (Super-PON) is considered as choice for the operators to
scale the transmission speed, reach, to build new infrastructure and customer aggregation of …

Performance analysis of a full-duplex TWDM-PON using OFDM modulation with red LED visible light communication system

M Kumari, A Sheetal, R Sharma - Wireless Personal Communications, 2021 - Springer
Today's access networks are in high demand to fulfill the high bandwidth requirement
because of extensive improvement in high transmission rate applications for cloud …

Probabilistic amplitude shaping for a 64-QAM OFDM W-band RoF system

K Wu, J He, Z Zhou, J Shi - IEEE Photonics Technology Letters, 2019 - ieeexplore.ieee.org
In this letter, probabilistic amplitude shaping (PAS) is performed in the case of orthogonal
frequency division multiplexing (OFDM) by combining with orthogonal circulant matrix …

Over 23.43 Gbps visible light communication system based on 9 V integrated RGBP LED modules

L Tang, Y Wu, Z Cheng, D Teng, L Liu - Optics Communications, 2023 - Elsevier
In this paper, integrated transmitter modules with 9 V high-voltage light emitting diode (LED)
chips and built-in hardware pre-equalization circuits are designed and fabricated for …

Investigation of VLLC-OCDM System for Intelligent Transport Applications

V Arya, M Kumari, N Sharma… - 2023 3rd Asian …, 2023 - ieeexplore.ieee.org
A bidirectional symmetric 3× 20Gbps visible laser light communication (VLLC) with optical
code division multiplexing (OCDM) with large number of users is proposed. The simulation …

Polar coded optical OFDM system with chaotic encryption for physical-layer security

Y Xiao, J Cao, Z Wang, C Long, Y Liu, J He - Optics Communications, 2019 - Elsevier
The security of the transmission system based on optical orthogonal frequency division
multiplexing (OFDM) has been an important research direction recently. Polar code is also a …

A BIPCM scheme based on OCT precoding for a 256-QAM OFDM-VLC system

K Wu, J He, J Ma, Y Wei - IEEE Photonics Technology Letters, 2018 - ieeexplore.ieee.org
A bit-interleaved polar-coded modulation (BIPCM) scheme based on orthogonal circulant
matrix transform (OCT) precoding is proposed and experimentally demonstrated in an …

A MB-CAZAC precoding combined with 128/64/32/16-QAM modulation for OFDM-VLC system

J Ma, J He, Q Chen, J Shi, Z Zhou, Y Cheng… - Optics Communications, 2018 - Elsevier
In this paper, multi-band constant amplitude zero autocorrelation sequence (MB-CAZAC)
precoding combined with the 128/64/32/16-quadrature amplitude modulation (QAM) …

Performance enhanced 256-QAM BIPCM-DMT system enabled by CAZAC precoding

J Ma, J He, J Shi, K Wu, M Chen, Z Zhou… - Journal of Lightwave …, 2020 - opg.optica.org
In the paper, bit-interleaved polar-coded modulation discrete multi-tone (DMT)(BIPCM-DMT)
with 256-QAM enabled by constant amplitude zero auto-correlation (CAZAC) precoding is …