• DocumentCode
    775670
  • Title

    SQAM: A New Superposed QAM Modem Technique

  • Author

    Seo, Jong-Soo ; Feher, Kamilo

  • Author_Institution
    Univ. of Ottawa, Ottawa, Ont., Canada
  • Volume
    33
  • Issue
    3
  • fYear
    1985
  • fDate
    3/1/1985 12:00:00 AM
  • Firstpage
    296
  • Lastpage
    300
  • Abstract
    A spectral and power efficient modulation techniquesuperposed quadrature amplitude modulation (SQAM-is introduced. In SQAM, the premodulation baseband signal is a double-interval ( 2T_{s} ) raised-cosine pulse superposed with weighted single-interval (Ts) raisedcosine pulses. Our results indicate that SQAM has spectral advantages over OQPSK, QBL, and MSK, and better P(e) performance than MSK, IJF-OQPSK (or SQORC), and TFM.
  • Keywords
    Quadrature amplitude modulation; Amplitude modulation; Baseband; Degradation; Fluctuations; Modems; Pulse amplifiers; Pulse generation; Pulse shaping methods; Quadrature amplitude modulation; Quadrature phase shift keying;
  • fLanguage
    English
  • Journal_Title
    Communications, IEEE Transactions on
  • Publisher
    ieee
  • ISSN
    0090-6778
  • Type

    jour

  • DOI
    10.1109/TCOM.1985.1096289
  • Filename
    1096289
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=775670