• DocumentCode
    818802
  • Title

    Computing m DFTs over GF(q) with one DFT over GF( qm)

  • Author

    Hong, Jonathan ; Vetterli, Martin

  • Author_Institution
    Dept. of Electr. Eng., Columbia Univ., New York, NY, USA
  • Volume
    39
  • Issue
    1
  • fYear
    1993
  • fDate
    1/1/1993 12:00:00 AM
  • Firstpage
    271
  • Lastpage
    274
  • Abstract
    Over the field of complex numbers, it is well-known that if the input is real then it is possible to compute two real DFTs with one complex DFT. The authors extend the result to finite fields and show how to compute m DFTs over GF(q) with one DFT over GF(qm)
  • Keywords
    fast Fourier transforms; information theory; DFT; GF(q); complex numbers; discrete Fourier transform; finite fields; Computational efficiency; Discrete Fourier transforms; Equations; Galois fields;
  • fLanguage
    English
  • Journal_Title
    Information Theory, IEEE Transactions on
  • Publisher
    ieee
  • ISSN
    0018-9448
  • Type

    jour

  • DOI
    10.1109/18.179373
  • Filename
    179373