{"title":"Nyquist-PAM-4传输采用线性DPD和MLSE用于室内可见光通信","authors":"Chao Yang, Wu Liu, Xiang Li, Qi Yang, Zhixue He","doi":"10.1109/ICCCHINAW.2017.8355277","DOIUrl":null,"url":null,"abstract":"350Mbit/s Nyquist-PAM-4 signal is experimentally transmitted over 2-m distance in visible light communication system, which only uses 46-MHz limited system bandwidth. The system bandwidth is expanded with linear digital pre-distortion (DPD), and the strong inter-symbol interference (ISI) caused by Nyquist filter is compensated by maximum likelihood sequence estimation (MLSE) algorithm. The experimental results indicate that the performance of VLC system can be effectively improved with proposed technique.","PeriodicalId":164833,"journal":{"name":"2017 IEEE/CIC International Conference on Communications in China (ICCC Workshops)","volume":"11 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2017-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"4","resultStr":"{\"title\":\"Nyquist-PAM-4 transmission using linear DPD and MLSE for indoor visible light communications\",\"authors\":\"Chao Yang, Wu Liu, Xiang Li, Qi Yang, Zhixue He\",\"doi\":\"10.1109/ICCCHINAW.2017.8355277\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"350Mbit/s Nyquist-PAM-4 signal is experimentally transmitted over 2-m distance in visible light communication system, which only uses 46-MHz limited system bandwidth. The system bandwidth is expanded with linear digital pre-distortion (DPD), and the strong inter-symbol interference (ISI) caused by Nyquist filter is compensated by maximum likelihood sequence estimation (MLSE) algorithm. The experimental results indicate that the performance of VLC system can be effectively improved with proposed technique.\",\"PeriodicalId\":164833,\"journal\":{\"name\":\"2017 IEEE/CIC International Conference on Communications in China (ICCC Workshops)\",\"volume\":\"11 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2017-10-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"4\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2017 IEEE/CIC International Conference on Communications in China (ICCC Workshops)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ICCCHINAW.2017.8355277\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2017 IEEE/CIC International Conference on Communications in China (ICCC Workshops)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICCCHINAW.2017.8355277","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Nyquist-PAM-4 transmission using linear DPD and MLSE for indoor visible light communications
350Mbit/s Nyquist-PAM-4 signal is experimentally transmitted over 2-m distance in visible light communication system, which only uses 46-MHz limited system bandwidth. The system bandwidth is expanded with linear digital pre-distortion (DPD), and the strong inter-symbol interference (ISI) caused by Nyquist filter is compensated by maximum likelihood sequence estimation (MLSE) algorithm. The experimental results indicate that the performance of VLC system can be effectively improved with proposed technique.
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