{"title":"数字预失真归一化增益对线性化功率放大器线性化性能和功率附加效率的影响","authors":"Siqi Wang, M. A. Hussein, O. Venard, G. Baudoin","doi":"10.23919/EUMIC.2017.8230720","DOIUrl":null,"url":null,"abstract":"This paper studies the impact of gain scaling on linearization performance and power added efficiency (PAE) of a power amplifier (PA) using digital predistortion (DPD). The performance of the DPD designed at different operating points of PA with different choices of gain are compared. An adjustment in iterative DPD identification procedure is proposed to improve the convergence. The performances are evaluated experimentally with a 500-W peak Three-way Doherty PA.","PeriodicalId":120932,"journal":{"name":"2017 12th European Microwave Integrated Circuits Conference (EuMIC)","volume":"41 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2017-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"13","resultStr":"{\"title\":\"Impact of the normalization gain of digital predistortion on linearization performance and power added efficiency of the linearized power amplifier\",\"authors\":\"Siqi Wang, M. A. Hussein, O. Venard, G. Baudoin\",\"doi\":\"10.23919/EUMIC.2017.8230720\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"This paper studies the impact of gain scaling on linearization performance and power added efficiency (PAE) of a power amplifier (PA) using digital predistortion (DPD). The performance of the DPD designed at different operating points of PA with different choices of gain are compared. An adjustment in iterative DPD identification procedure is proposed to improve the convergence. The performances are evaluated experimentally with a 500-W peak Three-way Doherty PA.\",\"PeriodicalId\":120932,\"journal\":{\"name\":\"2017 12th European Microwave Integrated Circuits Conference (EuMIC)\",\"volume\":\"41 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2017-10-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"13\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2017 12th European Microwave Integrated Circuits Conference (EuMIC)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.23919/EUMIC.2017.8230720\",\"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 12th European Microwave Integrated Circuits Conference (EuMIC)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.23919/EUMIC.2017.8230720","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Impact of the normalization gain of digital predistortion on linearization performance and power added efficiency of the linearized power amplifier
This paper studies the impact of gain scaling on linearization performance and power added efficiency (PAE) of a power amplifier (PA) using digital predistortion (DPD). The performance of the DPD designed at different operating points of PA with different choices of gain are compared. An adjustment in iterative DPD identification procedure is proposed to improve the convergence. The performances are evaluated experimentally with a 500-W peak Three-way Doherty PA.
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