Preconverged learning vector quantization detection method for integrated optical fiber-visible light access network

Rui Chen; Wenqing Niu; Yinaer HaNan ChiBo Hu

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Preconverged learning vector quantization detection method for integrated optical fiber-visible light access network

机译：Preconverged learning vector quantization detection method for integrated optical fiber-visible light access network

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摘要

Recently, visible light communication (VLC) has become a hot topic owing to its advantages, such as high security, high capacity, and antielectromagnetic interference. VLC has become a potential candidate for indoor access networks due to the feasibility of combining illumination and communication. However, intersymbol interference and random phase rotation induced by the transmission channel will decrease the system performance. Traditional constant modulus algorithm (CMA) performs well in converging constellation, but random phase rotation still exists since CMA is insensitive to phase. We demonstrate an optical fiber and visible light integrated communication system. 960-Mbps multiband geometrically shaping (GS) quadrature amplitude modulation (QAM)-8 transmission is realized. Modified learning vector quantization is employed after CMA equalization to mitigate the impairment induced by both optical fiber and visible light channel. Experimental results indicate the feasibility of the proposed method. The Q factor of GS QAM-8 could be enhanced by 5.98 dB with the proposed method.

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来源
《Optical Engineering》 |2021年第12期|126103-1-126103-11|共11页
作者
Rui Chen; Wenqing Niu; Yinaer HaNan ChiBo Hu;
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作者单位

Fudan University, Key Laboratory of Electromagnetic Wave Information Science, Department of Communication Science and Engineering, Shanghai, China;

Fudan University, School of Information Science and Technology, Digital Signal Processing and Transmission Laboratory, Shanghai, China;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种英语
中图分类计量学;
关键词
visible light communication; visible light communication access network; learning vector quantization; phase rotation;

Preconverged learning vector quantization detection method for integrated optical fiber-visible light access network

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