PRECODING

作品数：112被引量：191H指数：7
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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 
Experimental evaluation of the BER performance in optical OFDM system based on discrete Hartley transform precoding
《Optoelectronics Letters》2014年第3期224-227,共4页王中鹏 陈芳妮 吴茗蔚 陈明 唐进 陈林 
supported in part by the National Natural Science Foundation of China(No.61302112);the Open Fund of the State Key Laboratory of Millimeter Waves(Southeast University,Ministry of Education,China)(No.K201214);the Zhejiang Provincial Natural Science Foundation of China(No.LY13F050005);the Key Industrial Project of Special Major Science and Technology of Zhejiang Province(No.2012C11016-2)
We experimentally assess the bit error rate(BER) performance of an intensity modulation/direct detection(IM/DD) optical orthogonal frequency division multiplexing(OFDM) system based on discrete Hartley transform(DHT) ...
关键词：Error statistics Signal receivers Single mode fibers Telecommunication systems 
Grouped DCT precoding for PAPR reduction in optical direct detection OFDM systems被引量：2
《Optoelectronics Letters》2013年第3期213-216,共4页WANG Zhong-peng ZHANG Shao-zhong 
This work has been supported by the Open Ftmd of State Key Laboratory of Millimeter Waves in Southeast University, Ministry of Education of China, the National Natural Science Foundation of China （Nos.71071145 and 60977049）, and the Zhejiang Provincial Natural Science Foundation （No.Y6090027）.
A new grouped precoding technique based on discrete cosine transform (DCT) is presented for peak to average power ratio (PAPR) reduction of optical intensity modulated/direct detection (IM/DD) orthogonal frequency div...
关键词：OFDM系统 PAPR DCT 分组 预编码 正交频分多路技术 峰均功率比 测光 
Hadamard precoding for PAPR reduction in optical direct detection OFDM systems被引量：10
《Optoelectronics Letters》2011年第5期363-366,共4页王中鹏 肖江南 李凡 陈林 
supported by the National High-tech Research and Development Program of China (No.2007AA01Z263);the Natural Science Foundation of Hunan Proviuce of China (No.06JJ50108);the Open Fund of Key Laboratory of Optical Communication and Lightwave Technologies of Education Ministry of China at Beijing University of Posts and Telecommunications
The high peak-to-average power ration (PAPR) values of optical orthogond frequency division multiplexing (OFDM) signal limit the system nonlinear tolerance (NLT). In this paper, a novel method based on Hadamard precod...
关键词：Binary phase shift keying Signal detection Single mode fibers Telecommunication systems 
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