{"title":"A LINC amplifier utilizing digital signal processing applied to a DAMPS system","authors":"Mohammad Alkuran","doi":"10.1109/SSD.2008.4632841","DOIUrl":null,"url":null,"abstract":"This paper is about implementing a LINC amplifier utilizing DSP in a DAMPS wireless system. First, the theory behind LINC amplifiers is presented. Then the I-Q representation of signals is studied. Followed by a look at pi/4 QPSK schemes. Then, wepsilall show how to apply a LINC amplifier to a pi/4 QPSK modulation scheme in a digital environment, and give the equivalent RF circuit. The digital concerns related to that procedure are then studied. Finally, a prototype system will be presented. Computer simulation of this system and the proposed implementation are both presented.","PeriodicalId":267264,"journal":{"name":"2008 5th International Multi-Conference on Systems, Signals and Devices","volume":"66 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2008-07-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2008 5th International Multi-Conference on Systems, Signals and Devices","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/SSD.2008.4632841","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
This paper is about implementing a LINC amplifier utilizing DSP in a DAMPS wireless system. First, the theory behind LINC amplifiers is presented. Then the I-Q representation of signals is studied. Followed by a look at pi/4 QPSK schemes. Then, wepsilall show how to apply a LINC amplifier to a pi/4 QPSK modulation scheme in a digital environment, and give the equivalent RF circuit. The digital concerns related to that procedure are then studied. Finally, a prototype system will be presented. Computer simulation of this system and the proposed implementation are both presented.
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