{"title":"A new 16-ary QAM demodulator for medium and high data rate services","authors":"P. Fines, A. Aghvami","doi":"10.1109/GLOCOM.1991.188626","DOIUrl":null,"url":null,"abstract":"A 16-ary differentially encoded quadrature amplitude modulation (16-DEQAM) demodulator for medium- and high-bit-rate (from 2 Mb/s to 100 Mb/s) land mobile satellite communication is proposed, and its performance is evaluated. The digital synchronization and digital detection techniques used in this system are described. The hardware speed limitations have been overcome effectively with extensive use of lookup tables and concurrent digital signal processing on a polar signal representation. The bit error rate (BER) performance was evaluated by computer simulation over additive white Gaussian noise (AWGN) and Rician fading channels.<<ETX>>","PeriodicalId":343080,"journal":{"name":"IEEE Global Telecommunications Conference GLOBECOM '91: Countdown to the New Millennium. Conference Record","volume":"36 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1991-12-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"IEEE Global Telecommunications Conference GLOBECOM '91: Countdown to the New Millennium. Conference Record","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/GLOCOM.1991.188626","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
Abstract
A 16-ary differentially encoded quadrature amplitude modulation (16-DEQAM) demodulator for medium- and high-bit-rate (from 2 Mb/s to 100 Mb/s) land mobile satellite communication is proposed, and its performance is evaluated. The digital synchronization and digital detection techniques used in this system are described. The hardware speed limitations have been overcome effectively with extensive use of lookup tables and concurrent digital signal processing on a polar signal representation. The bit error rate (BER) performance was evaluated by computer simulation over additive white Gaussian noise (AWGN) and Rician fading channels.<>
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