• DocumentCode
    782116
  • Title

    Optimum Spectrum for QAM Perturbed by Timing and Phase Errors

  • Author

    Oshita, Shinjiro

  • Author_Institution
    Shinshu University, Wakasato, Nagano, Japan
  • Volume
    35
  • Issue
    9
  • fYear
    1987
  • fDate
    9/1/1987 12:00:00 AM
  • Firstpage
    978
  • Lastpage
    980
  • Abstract
    An optimum spectrum is presented for a multilevel QAM system perturbed by timing error, phase error, and additive noise. We propose a double-jump spectrum (DJS) whose segment height is generally different from that of Franks´ spectrum. The performance is analyzed with Gauss quadrature rules and a computer simulation. The results are compared to Franks´ spectrum and the conventional cosine rolloff spectrum.
  • Keywords
    Intersymbol interference; Quadrature amplitude modulation; Bandwidth; Computer errors; Differential quadrature phase shift keying; Fading; Gaussian noise; Gaussian processes; Intersymbol interference; Quadrature amplitude modulation; Satellites; Timing;
  • fLanguage
    English
  • Journal_Title
    Communications, IEEE Transactions on
  • Publisher
    ieee
  • ISSN
    0090-6778
  • Type

    jour

  • DOI
    10.1109/TCOM.1987.1096882
  • Filename
    1096882