{"title":"20公里SMF范围内128QAM-OFDM编码太赫兹信号的实验演示","authors":"Yuan Zhang, M. Song, Haitao Zhang","doi":"10.1109/ECICE52819.2021.9645638","DOIUrl":null,"url":null,"abstract":"Terahertz communication meets the increasing bandwidth requirements since its advantages of large capacity and high transmission rate. In this paper, an experimental scheme for transmitting 128QAM-OFDM terahertz signal on the optical fiber downlink is proposed. In this scheme, 10Gbit/s 128QAM-OFDM optical access signals are transmitted over 20 km single-mode fiber (SMF), and the coherent reception of 0.1 THz 128QAM-OFDM electrical signals is achieved by using the self-mixing technique. The results show that the downstream 128QAM-OFDM signal not only has higher spectral efficiency but also the value of the receiver sensitivity is lower than −10dBm when the bit error rate (BER) is 10−3.","PeriodicalId":176225,"journal":{"name":"2021 IEEE 3rd Eurasia Conference on IOT, Communication and Engineering (ECICE)","volume":"21 5","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2021-10-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"Experimental Demonstration of 128QAM-OFDM Encoded Terahertz Signals over 20-km SMF\",\"authors\":\"Yuan Zhang, M. Song, Haitao Zhang\",\"doi\":\"10.1109/ECICE52819.2021.9645638\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Terahertz communication meets the increasing bandwidth requirements since its advantages of large capacity and high transmission rate. In this paper, an experimental scheme for transmitting 128QAM-OFDM terahertz signal on the optical fiber downlink is proposed. In this scheme, 10Gbit/s 128QAM-OFDM optical access signals are transmitted over 20 km single-mode fiber (SMF), and the coherent reception of 0.1 THz 128QAM-OFDM electrical signals is achieved by using the self-mixing technique. The results show that the downstream 128QAM-OFDM signal not only has higher spectral efficiency but also the value of the receiver sensitivity is lower than −10dBm when the bit error rate (BER) is 10−3.\",\"PeriodicalId\":176225,\"journal\":{\"name\":\"2021 IEEE 3rd Eurasia Conference on IOT, Communication and Engineering (ECICE)\",\"volume\":\"21 5\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2021-10-29\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2021 IEEE 3rd Eurasia Conference on IOT, Communication and Engineering (ECICE)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ECICE52819.2021.9645638\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2021 IEEE 3rd Eurasia Conference on IOT, Communication and Engineering (ECICE)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ECICE52819.2021.9645638","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Experimental Demonstration of 128QAM-OFDM Encoded Terahertz Signals over 20-km SMF
Terahertz communication meets the increasing bandwidth requirements since its advantages of large capacity and high transmission rate. In this paper, an experimental scheme for transmitting 128QAM-OFDM terahertz signal on the optical fiber downlink is proposed. In this scheme, 10Gbit/s 128QAM-OFDM optical access signals are transmitted over 20 km single-mode fiber (SMF), and the coherent reception of 0.1 THz 128QAM-OFDM electrical signals is achieved by using the self-mixing technique. The results show that the downstream 128QAM-OFDM signal not only has higher spectral efficiency but also the value of the receiver sensitivity is lower than −10dBm when the bit error rate (BER) is 10−3.
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