{"title":"基于led的水下光无线通信调制技术的实验比较","authors":"Minqing Yu, Callum T. Geldard, W. Popoola","doi":"10.1109/WCNC55385.2023.10118924","DOIUrl":null,"url":null,"abstract":"This paper presents an experimental comparison of pulse amplitude modulation (PAM), carrierless amplitude and phase (CAP), and quadrature amplitude modulation-orthogonal frequency division multiplexing (QAM-OFDM) in a turbid underwater optical wireless communications (UOWC) channel. It is shown that the transmission rates of PAM and CAP are maintained at around 180 Mbps even as turbidity increases. However, the highest transmission rate of 472 Mbps is achieved using 16-QAM-OFDM in tap water. Finally, bit power loading (BPL) is applied to further improve the performance of QAM-OFDM, yielding an increased maximum transmission rate of 557 Mbps in tap water.","PeriodicalId":259116,"journal":{"name":"2023 IEEE Wireless Communications and Networking Conference (WCNC)","volume":"136 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2023-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Experimental Comparison of Modulation Techniques for LED-based Underwater Optical Wireless Communications\",\"authors\":\"Minqing Yu, Callum T. Geldard, W. Popoola\",\"doi\":\"10.1109/WCNC55385.2023.10118924\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"This paper presents an experimental comparison of pulse amplitude modulation (PAM), carrierless amplitude and phase (CAP), and quadrature amplitude modulation-orthogonal frequency division multiplexing (QAM-OFDM) in a turbid underwater optical wireless communications (UOWC) channel. It is shown that the transmission rates of PAM and CAP are maintained at around 180 Mbps even as turbidity increases. However, the highest transmission rate of 472 Mbps is achieved using 16-QAM-OFDM in tap water. Finally, bit power loading (BPL) is applied to further improve the performance of QAM-OFDM, yielding an increased maximum transmission rate of 557 Mbps in tap water.\",\"PeriodicalId\":259116,\"journal\":{\"name\":\"2023 IEEE Wireless Communications and Networking Conference (WCNC)\",\"volume\":\"136 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2023-03-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2023 IEEE Wireless Communications and Networking Conference (WCNC)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/WCNC55385.2023.10118924\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2023 IEEE Wireless Communications and Networking Conference (WCNC)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/WCNC55385.2023.10118924","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Experimental Comparison of Modulation Techniques for LED-based Underwater Optical Wireless Communications
This paper presents an experimental comparison of pulse amplitude modulation (PAM), carrierless amplitude and phase (CAP), and quadrature amplitude modulation-orthogonal frequency division multiplexing (QAM-OFDM) in a turbid underwater optical wireless communications (UOWC) channel. It is shown that the transmission rates of PAM and CAP are maintained at around 180 Mbps even as turbidity increases. However, the highest transmission rate of 472 Mbps is achieved using 16-QAM-OFDM in tap water. Finally, bit power loading (BPL) is applied to further improve the performance of QAM-OFDM, yielding an increased maximum transmission rate of 557 Mbps in tap water.
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