{"title":"栅格编码8-DPSK在移动无线电信道中的性能","authors":"E.S. El Badawy, E. Fahmy","doi":"10.1109/PACRIM.1991.160688","DOIUrl":null,"url":null,"abstract":"The performance of a four-state trellis-coded differential eight-phase shift keying (8-DPSK) technique in fast Rayleigh fading characterizing realistic mobile radio channels is studied. A combination of one-bit and two-bit differential detectors is used at the receiving end. The Viterbi decoder is used to determine the most likely coded signal sequence directly from the unquantized channel outputs. The four-state trellis-coded modulation (TCM) schemes using 8-DPSK can improve the bit error rate.<<ETX>>","PeriodicalId":289986,"journal":{"name":"[1991] IEEE Pacific Rim Conference on Communications, Computers and Signal Processing Conference Proceedings","volume":"1 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1991-05-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Performance of trellis coded 8-DPSK in mobile radio channels\",\"authors\":\"E.S. El Badawy, E. Fahmy\",\"doi\":\"10.1109/PACRIM.1991.160688\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The performance of a four-state trellis-coded differential eight-phase shift keying (8-DPSK) technique in fast Rayleigh fading characterizing realistic mobile radio channels is studied. A combination of one-bit and two-bit differential detectors is used at the receiving end. The Viterbi decoder is used to determine the most likely coded signal sequence directly from the unquantized channel outputs. The four-state trellis-coded modulation (TCM) schemes using 8-DPSK can improve the bit error rate.<<ETX>>\",\"PeriodicalId\":289986,\"journal\":{\"name\":\"[1991] IEEE Pacific Rim Conference on Communications, Computers and Signal Processing Conference Proceedings\",\"volume\":\"1 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1991-05-09\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"[1991] IEEE Pacific Rim Conference on Communications, Computers and Signal Processing Conference Proceedings\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/PACRIM.1991.160688\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"[1991] IEEE Pacific Rim Conference on Communications, Computers and Signal Processing Conference Proceedings","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/PACRIM.1991.160688","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Performance of trellis coded 8-DPSK in mobile radio channels
The performance of a four-state trellis-coded differential eight-phase shift keying (8-DPSK) technique in fast Rayleigh fading characterizing realistic mobile radio channels is studied. A combination of one-bit and two-bit differential detectors is used at the receiving end. The Viterbi decoder is used to determine the most likely coded signal sequence directly from the unquantized channel outputs. The four-state trellis-coded modulation (TCM) schemes using 8-DPSK can improve the bit error rate.<>
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