Robust lightweight-channel-independent OFDM-based encryption method for VLC-IoT networks

YM Al-Moliki, MT Alresheedi, Y Al-Harthi… - IEEE Internet of …, 2021 - ieeexplore.ieee.org
Recently, physical-layer encryption was featured as a favorable security method for visible
light communications (VLCs). Generally, orthogonal frequency-division multiplexing (OFDM) …

A blind timing synchronization algorithm for DCO-OFDM VLC systems

V Kishore, VS Prasad, VV Mani - IEEE Photonics Technology …, 2020 - ieeexplore.ieee.org
Visible Light Communication (VLC) systems are more vulnerable to timing synchronization
problems due to the employed incoherent modulation scheme. In this work, a blind timing …

A novel timing synchronization method for OFDM based VLC systems

V Kishore, VV Mani - Optik, 2021 - Elsevier
With an aim to render high data rates and to overcome spectrum crisis, Visible Light
Communication (VLC) is explored in which the transmitted signal is constrained to be …

An energy-efficient optical wireless OFDMA scheme for medical body-area networks

MJ Hasan, MA Khalighi, V Jungnickel… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
The transfer of health monitoring data from multiple patients using wireless body-area
networks requires the use of robust, and energy and bandwidth efficient multiple-access …

A novel timing synchronization method for DCO-OFDM-based VLC systems

K Wang, Y Liu, Z Hong - IEEE Photonics Journal, 2021 - ieeexplore.ieee.org
Being sensitive to synchronization errors, symbol timing synchronization is a key factor
affecting the performance of orthogonal frequency division multiplexing (OFDM)-based …

[PDF][PDF] 可见光通信系统的符号定时偏移估计方法

王铠尧, 洪智勇, 曾志强 - Acta Optica Sinica, 2022 - researching.cn
摘要同步模块作为正交频分复用(OFDM) 系统中的关键模块, 是数据解调和信道估计的基本前提.
由于基于OFDM 的可见光通信(VLC) 系统对同步误差敏感, 符号定时偏移(STO) …

Robust frequency-domain timing offset estimation for DCO-OFDM systems

Y Jiang, D Sun, X Zhu, T Zhou… - IEEE Communications …, 2022 - ieeexplore.ieee.org
Optical wireless communication (OWC) systems suffer inter-symbol interference (ISI) in time
domain due to light emitting diode (LED)'s limited bandwidth at transmitter. As intensity …

Improved visible light communication positioning algorithm based on image sensor tilting at room corners

M Fu, W Zhu, Z Le, D Manko - IET Communications, 2018 - Wiley Online Library
We developed an improved algorithm for an indoor positioning system based on an image
sensor. By using the algorithm that tilts the image sensor when it is placed at room corners …

Joint synchronization and channel estimation of ACO-OFDM systems with simplified transceiver

X Qian, H Deng, H He - IEEE Photonics Technology Letters, 2018 - ieeexplore.ieee.org
To facilitate the development of asymmetrically clipped optical orthogonal frequency division
multiplexing systems, a joint synchronization and channel estimation scheme is proposed …

Efficient timing offset estimation method tailored for ACO-OFDM VLC systems

K Wang, Y Liu, Z Hong, Z Zeng - Journal of Lightwave Technology, 2021 - opg.optica.org
The asymmetrically clipped optical orthogonal frequency division multiplexing (ACO-OFDM)-
based visible light communication (VLC) system has received widespread attention due to …