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INTERNATIONAL JOURNAL OF CREATIVE RESEARCH THOUGHTS - IJCRT (IJCRT.ORG)
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ISSN Approved Journal No: 2320-2882 | Impact factor: 7.97 | ESTD Year: 2013
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Paper Title
A MODIFIED RADIX-4 ARCHITECTURE TO IMPROVE THE SPEED OF DIGITAL SIGNAL PROCESSOR USING VLSI IMPLEMENTATION
Authors
S.Gokul, V.Kishorekumar, M.Bennish
Keywords
FFT, SDC, DFT, DIT, DIF
Abstract
This paper presents a modified Radix - 4 architecture to compute Discrete Fourier Transform (DFT) using FFT architecture to reduce the computation time and power thereby increase the speed of the Digital Signal processor. The proposed design reduces the number of multipliers and adders that are used to compute large sequence of real time data signals with less power consumption. This is achieved by avoiding repeated multiplication of twiddle factor (real and complex values) which makes the delay in the computation of FFT. The twiddle factor value is already calculated with the number of input bits to be used and the value is stored in the register. The value is called whenever the FFT requires twiddle factor for computation. The appropriate twiddle factor is selected using 3 x 8 decoder. The modified Radix-4 FFT architecture is designed, implemented and simulated using the software Xilinx - Spartan 3E version 8.2.
IJCRT's Publication Details
Unique Identification Number - IJCRT1872366
Paper ID - 184129
Page Number(s) - 1278-1283
Pubished in - Volume 6 | Issue 1 | March 2018
DOI (Digital Object Identifier) - http://doi.one/10.1729/IJCRT.17412
Publisher Name - IJCRT | www.ijcrt.org | ISSN : 2320-2882
E-ISSN Number - 2320-2882
Cite this article
S.Gokul, V.Kishorekumar, M.Bennish, "A MODIFIED RADIX-4 ARCHITECTURE TO IMPROVE THE SPEED OF DIGITAL SIGNAL PROCESSOR USING VLSI IMPLEMENTATION", International Journal of Creative Research Thoughts (IJCRT), ISSN:2320-2882, Volume.6, Issue 1, pp.1278-1283, March 2018, Available at :http://www.ijcrt.org/papers/IJCRT1872366.pdf
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ISSN: 2320-2882 Impact Factor: 7.97 and ISSN APPROVED Journal Starting Year (ESTD) : 2013
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ISSN: 2320-2882 Impact Factor: 7.97 and ISSN APPROVED Journal Starting Year (ESTD) : 2013
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