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Issue No.07 - July (1994 vol.5)
pp: 763-769
<p>This paper presents a new class of AT/sup 2/-optimal networks for computing themultidimensional discrete Fourier transform. Although optimal networks have beenproposed previously, the networks proposed in this paper are based on a newmethodology for mapping large K-shuffle networks, K/spl ges/2, onto smaller areanetworks that maintain the optimality of the DFT network. Such networks are used toperform the index-rotation operations needed by the multidimensional computation. Theresulting networks have simple regular layouts, and can be easily partitioned among several chips in order to reduce the number of input-output pins per chip.</p>
Index TermsVLSI; fast Fourier transforms; circuit analysis computing; minimisation of switching nets; optimal VLSI networks; multidimensional transforms; AT/sup 2/-optimal networks; discrete Fourier transform; mapping large K-shuffle networks; index-rotation operations; regular layouts
H.M. Alnuweiri, "Optimal VLSI Networks for Multidimensional Transforms", IEEE Transactions on Parallel & Distributed Systems, vol.5, no. 7, pp. 763-769, July 1994, doi:10.1109/71.296321
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