{"title":"pi /2-TFSK 2位差分检测在带限多径干扰移动无线电环境下的误差性能","authors":"J. Horikoshi","doi":"10.1109/VETEC.1990.110359","DOIUrl":null,"url":null,"abstract":"A modulation scheme named pi /2-TFSK shows a superior error performance to MSK (minimum shift keying) in a frequency-selective mobile radio channel. The 2-bit differential detection of pi /2-TFSK with a raised-cosine type premodulation lowpass filter is analyzed under the frequency-selective mobile radio environment, and a better error performance than MSK is demonstrated. These characteristics are confirmed through an experimental simulation in the laboratory. As the frequency-selective fading model a two Rayleigh-fading-wave model with a constant group time delay is adopted. The system is implemented with a transmission rate of 64 kb/s. and a quadrature-type modulator is used with the carrier frequency of 900 MHz band. The RAM-type demodulator is used as the differential detector.<<ETX>>","PeriodicalId":366352,"journal":{"name":"40th IEEE Conference on Vehicular Technology","volume":"39 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1990-05-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Error performance of pi /2-TFSK 2-bit differential detection over the band-limited multipath interfering mobile radio environments\",\"authors\":\"J. Horikoshi\",\"doi\":\"10.1109/VETEC.1990.110359\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"A modulation scheme named pi /2-TFSK shows a superior error performance to MSK (minimum shift keying) in a frequency-selective mobile radio channel. The 2-bit differential detection of pi /2-TFSK with a raised-cosine type premodulation lowpass filter is analyzed under the frequency-selective mobile radio environment, and a better error performance than MSK is demonstrated. These characteristics are confirmed through an experimental simulation in the laboratory. As the frequency-selective fading model a two Rayleigh-fading-wave model with a constant group time delay is adopted. The system is implemented with a transmission rate of 64 kb/s. and a quadrature-type modulator is used with the carrier frequency of 900 MHz band. The RAM-type demodulator is used as the differential detector.<<ETX>>\",\"PeriodicalId\":366352,\"journal\":{\"name\":\"40th IEEE Conference on Vehicular Technology\",\"volume\":\"39 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1990-05-06\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"40th IEEE Conference on Vehicular Technology\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/VETEC.1990.110359\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"40th IEEE Conference on Vehicular Technology","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/VETEC.1990.110359","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Error performance of pi /2-TFSK 2-bit differential detection over the band-limited multipath interfering mobile radio environments
A modulation scheme named pi /2-TFSK shows a superior error performance to MSK (minimum shift keying) in a frequency-selective mobile radio channel. The 2-bit differential detection of pi /2-TFSK with a raised-cosine type premodulation lowpass filter is analyzed under the frequency-selective mobile radio environment, and a better error performance than MSK is demonstrated. These characteristics are confirmed through an experimental simulation in the laboratory. As the frequency-selective fading model a two Rayleigh-fading-wave model with a constant group time delay is adopted. The system is implemented with a transmission rate of 64 kb/s. and a quadrature-type modulator is used with the carrier frequency of 900 MHz band. The RAM-type demodulator is used as the differential detector.<>
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