Realization of OFDM modulation and demodulation for visible light communication based on FPGA

WU Chun-hui; GAO Zong-yu; LI Hong-leiCHEN Xiong-binMAO Xu-ruiLU Hui-minWANG Jian-pingHE LinCUI Shi-gangCHEN Hong-da

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Realization of OFDM modulation and demodulation for visible light communication based on FPGA

机译：Realization of OFDM modulation and demodulation for visible light communication based on FPGA

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摘要

In order to ensure stable, correct and real-time high-speed transmission of indoor visible light communication (VLC), the key modulation and demodulation technologies of orthogonal frequency division multiplexing (OFDM) are studied in this paper. The time-domain synchronization, frequency synchronization and channel equalization of receiver are analyzed and optimized by utilizing short and long training preamble. Moreover, field programmable gate array (FPGA) development board (Xilinx Kintex-7) and Verilog hardware description language are used to realize the design of proposed OFDM-VLC system. Simulation and experiment both verify the feasibility of the hardware designs of this system. The proposed OFDM-based VLC system can process signal in real-time, which can be used in actual VLC application systems.

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来源
《Optoelectronics letters》 |2017年第1期|58-62|共5页
作者
WU Chun-hui; GAO Zong-yu; LI Hong-leiCHEN Xiong-binMAO Xu-ruiLU Hui-minWANG Jian-pingHE LinCUI Shi-gangCHEN Hong-da;
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作者单位

Institute of Semiconductors, Chinese Academic of Sciences, Beijing 100083, China;

School of Computer and Communication Engineering, University of Science and Technology Beijing, Beijing 100083, China;

School of Automation and Electrical Engineering, Tianjin University of Technology and Education, Tianjin 300222, China;

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原文格式 PDF
正文语种英语
中图分类光电子技术、激光技术;
关键词
Realization; based on; FPGA;

Realization of OFDM modulation and demodulation for visible light communication based on FPGA

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