{"title":"用于28GHz LMDS应用的混合集成NRD波导QPSK调制器的设计、分析与仿真","authors":"S. Bhagat, A. Yadav, Vivek Sharma, N. Pathak","doi":"10.1109/NCC.2013.6487968","DOIUrl":null,"url":null,"abstract":"This paper reports design, analysis and simulation of QPSK modulator in Ka-band. The modulator is designed at 28GHz frequency in hybrid microwave integrated circuit (HMIC) technology. For feasible high frequency operation, the design is integrated with non-radiative dielectric (NRD) guide using NRD guide to Microstrip line transition. In simulation, the observed value of the maximum phase deviation from the quadrature phase shift is 5°. Error vector magnitude (EVM) of the designed modulator is determined to be 11.9% for 400 Mbps digital data rate, modulated over 28 GHz RF carrier. The effect of amplitude and phase variations is analyzed through a constellation diagram, power spectrum and eye pattern.","PeriodicalId":202526,"journal":{"name":"2013 National Conference on Communications (NCC)","volume":"174 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2013-03-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":"{\"title\":\"Design, analysis and simulation of hybrid integrated NRD guide based QPSK modulator for LMDS applications at 28GHz\",\"authors\":\"S. Bhagat, A. Yadav, Vivek Sharma, N. Pathak\",\"doi\":\"10.1109/NCC.2013.6487968\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"This paper reports design, analysis and simulation of QPSK modulator in Ka-band. The modulator is designed at 28GHz frequency in hybrid microwave integrated circuit (HMIC) technology. For feasible high frequency operation, the design is integrated with non-radiative dielectric (NRD) guide using NRD guide to Microstrip line transition. In simulation, the observed value of the maximum phase deviation from the quadrature phase shift is 5°. Error vector magnitude (EVM) of the designed modulator is determined to be 11.9% for 400 Mbps digital data rate, modulated over 28 GHz RF carrier. The effect of amplitude and phase variations is analyzed through a constellation diagram, power spectrum and eye pattern.\",\"PeriodicalId\":202526,\"journal\":{\"name\":\"2013 National Conference on Communications (NCC)\",\"volume\":\"174 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2013-03-28\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"2\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2013 National Conference on Communications (NCC)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/NCC.2013.6487968\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2013 National Conference on Communications (NCC)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/NCC.2013.6487968","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Design, analysis and simulation of hybrid integrated NRD guide based QPSK modulator for LMDS applications at 28GHz
This paper reports design, analysis and simulation of QPSK modulator in Ka-band. The modulator is designed at 28GHz frequency in hybrid microwave integrated circuit (HMIC) technology. For feasible high frequency operation, the design is integrated with non-radiative dielectric (NRD) guide using NRD guide to Microstrip line transition. In simulation, the observed value of the maximum phase deviation from the quadrature phase shift is 5°. Error vector magnitude (EVM) of the designed modulator is determined to be 11.9% for 400 Mbps digital data rate, modulated over 28 GHz RF carrier. The effect of amplitude and phase variations is analyzed through a constellation diagram, power spectrum and eye pattern.
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