VLC

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Study of PAPR mitigation in OFDM-VLC system by SCMA codebook design
《Optoelectronics Letters》2024年第9期543-548,共6页YANG Ting LI Ganggang LIU Tao WANG Ping WANG Zhao 
supported by the National Natural Science Foundation of China(No.62071365);the Key Research and Development Program of Shaanxi Province(No.2017ZDCXL-GY-06-02)。
Traditional orthogonal frequency division multiplexing(OFDM)based visible light communication(VLC)system is susceptible to high peak-to-average power ratio(PAPR),thus leading to low power efficiency.To address this is...
关键词：OFDM SCMA CODE 
An efficient demodulation scheme for VLC signal image processing被引量：1
《Optoelectronics Letters》2020年第3期211-215,共5页LIU Xiu-jun FENG Li-fang CHEN Dan-yang 
the National Natural Science Foundation of China(No.61671055).
With the development of visible light communication(VLC)and widespread applications of smart terminals with complementary-metal-oxide-semiconductor(CMOS)image sensor,researchers pay more and more attention in VLC syst...
关键词：SCHEME IMAGE VLC 
Design of an optical receiving antenna with high gain and large field of view for indoor visible light communication
《Optoelectronics Letters》2019年第5期321-329,共9页HAO Hong-gang DU Zhi-hua LUO Wei RUAN Wei 
supported by the Science and Technology Research Program of Chongqing Municipal Education Commission(No.KJQN201800639);the National Natural Science Foundation of China(Nos.61705028 and 41606203)
In order to meet the requirements of the high gain and wide field of view(FOV) for indoor visible light communication(VLC) system, a new optical receiving system is proposed, which integrates a Fresnel lens with a hem...
关键词：field of view(FOV) VISIBLE light communication(VLC) signal to noise ratio(SNR) 
Image transmission in an OFDM VLC system using symbol scrambling and chaotic Walsh-Hadamard precoding
《Optoelectronics Letters》2019年第4期284-287,共4页WANG Zhong-peng YE Zhuo-ying WANG Xiu-min ZHAI Zhi-nian 
supported in part by the Zhejiang Provincial Natural Science Foundation of China(No.LY17F050005);the National Natural Science Foundation of China(Nos.61379027 and 51874264)
An image secure transmission scheme combining symbol scrambling and chaotic Wahsh-Hardmard precoding is proposed in orthogonal frequency division multiplexing(OFDM)-based visible light communication(VLC) system.In the...
关键词：OFDM VLC LSCM QAM 
Investigation on random access in a VLC system with multipacket reception in the presence of hidden devices and obstructions
《Optoelectronics Letters》2016年第6期455-460,共6页蔡文静 迟学芬 赵琳琳 
Due to the directionality of light, the hidden device problem and the obstruction cannot be ignored for carrier sense multiple access with collision avoidance(CSMA/CA)-based uplink visible light communication(VLC). In...
关键词：hidden CSMA throughput collision obstruction interact solely traffic handle aided 
A real-time VLC to UART protocol conversion system被引量：2
《Optoelectronics Letters》2016年第4期299-303,共5页邓健志 姚萌 程小辉 邓卓洪 
supported by the National Natural Science Foundation of China(No.61262075);the Guangxi Science and Technology Research Project in China(No.1598007-16);the Colleges and Universities Key Laboratory of Intelligent Integrated Automation(No.201503)
A real-time visible light communication(VLC) to universal asynchronous receiver/transmitter(UART) conversion system is made up of a transmitter with a light emitting diode(LED) and a receiver with a photodiode(PD), by...
关键词：LIGHT Optical communication Visible light communication 
An experimental scheme for cordwood color division multiplexing VLC system被引量：2
《Optoelectronics Letters》2014年第6期459-462,共4页邓健志 程小辉 
supported by the National Natural Science Foundation of China(No.61262075);the Guangxi College Funded Project(No.201201ZD012)
In this paper, an experimental scheme for cordwood color division multiplexing(CDM) visible light communication(VLC) system is proposed. The principle and structure of the experimental scheme are described. Right angl...
关键词：multiplexing splitter keying accomplish visible transmitter overlapping illumination filtered collector 
An integrated PHY-MAC analytical model for IEEE 802.15.7 VLC network with MPR capability被引量：1
《Optoelectronics Letters》2014年第5期365-368,共4页于海凤 迟学芬 刘健 
supported by the National Natural Science Foundation of China(No.61071074);Jilin Provincial Science&Technology Department of China(No.20130413052GH)
Considering that the collision caused by hidden terminal is particularly serious due to the narrow beams of optical de- vices, the multi-packet reception （MPR） is introduced to mitigate the collisions for IEEE 802.1...
关键词：Medium access control 
A new indoor VLC channel model based on reflection被引量：3
《Optoelectronics Letters》2010年第4期295-298,共4页丁德强 柯熙政 
supported by the National Natural Science Foundation of China (No. 60977054);and Xi,an University of Technology Excellent Doctor Paper Foundation
In this paper the indoor visible light communication(VLC) multipath channel model is analyzed.A new reflection model based on the Lambert-Phong pattern is presented by investigation of the reflection characteristics.T...
关键词：多径信道模型 可变长编码 室内 计算复杂度 基础 反射模型 仿真结果 光线跟踪 
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