{"title":"信道复用技术在LED水下可见光通信中的应用","authors":"PENG Jiachi, GUO Jianzhong, LI Yanlong, ZHANG Liang, ZHOU Ying, AI Yong, LIANG Hexi","doi":"10.5768/jao202344.0508002","DOIUrl":null,"url":null,"abstract":"以发光二极管(LED)为发射端的水下可见光通信(UVLC)系统因器件带宽所限其传输速率较低，且受水质环境影响较大，致使通信综合性能不佳。为提高信道容量与通信质量，将信道复用技术应用在LED-UVLC系统中，以现场可编程门阵列(FPGA)为数据处理核心，搭建LED蓝绿光发射阵列以及雪崩光电二极管(APD)接收阵列，设计出了一个4×4的多信道UVLC系统。我们将系统置于长20 m的水下环境中，以26.7 Mbit/s的通信速率，完成了误码率(BER)约为10<sup>−7</sup>的双向传输。实验数据表明，当传输不同大小的数据文件时，对比传统的单输入单输出水下可见光通信(SISO-UVLC)系统，节省了约4倍的通信时间，且与仿真的信道容量增益一致。另外，在水质和通信距离相同的条件下，本系统能获得更优的BER性能。","PeriodicalId":38331,"journal":{"name":"光学应用","volume":"12 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Application of channel multiplexing technology in LED underwater visible light communication\",\"authors\":\"PENG Jiachi, GUO Jianzhong, LI Yanlong, ZHANG Liang, ZHOU Ying, AI Yong, LIANG Hexi\",\"doi\":\"10.5768/jao202344.0508002\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"以发光二极管(LED)为发射端的水下可见光通信(UVLC)系统因器件带宽所限其传输速率较低，且受水质环境影响较大，致使通信综合性能不佳。为提高信道容量与通信质量，将信道复用技术应用在LED-UVLC系统中，以现场可编程门阵列(FPGA)为数据处理核心，搭建LED蓝绿光发射阵列以及雪崩光电二极管(APD)接收阵列，设计出了一个4×4的多信道UVLC系统。我们将系统置于长20 m的水下环境中，以26.7 Mbit/s的通信速率，完成了误码率(BER)约为10<sup>−7</sup>的双向传输。实验数据表明，当传输不同大小的数据文件时，对比传统的单输入单输出水下可见光通信(SISO-UVLC)系统，节省了约4倍的通信时间，且与仿真的信道容量增益一致。另外，在水质和通信距离相同的条件下，本系统能获得更优的BER性能。\",\"PeriodicalId\":38331,\"journal\":{\"name\":\"光学应用\",\"volume\":\"12 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2023-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"光学应用\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.5768/jao202344.0508002\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q4\",\"JCRName\":\"Physics and Astronomy\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"光学应用","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.5768/jao202344.0508002","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"Physics and Astronomy","Score":null,"Total":0}
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