DocumentCode
818802
Title
Computing m DFTs over GF(q ) with one DFT over GF( q m)
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(q m)
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
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