Call for Paper - September 2020 Edition
IJCA solicits original research papers for the September 2020 Edition. Last date of manuscript submission is August 20, 2020. Read More

Efficient VLSI Architecture for DIT and DIF Fast Fourier Transform using Real Valued Data

International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Year of Publication: 2017
Neeraj Kumar Pandey, Pankaj Soni

Neeraj Kumar Pandey and Pankaj Soni. Efficient VLSI Architecture for DIT and DIF Fast Fourier Transform using Real Valued Data. International Journal of Computer Applications 167(8):29-32, June 2017. BibTeX

	author = {Neeraj Kumar Pandey and Pankaj Soni},
	title = {Efficient VLSI Architecture for DIT and DIF Fast Fourier Transform using Real Valued Data},
	journal = {International Journal of Computer Applications},
	issue_date = {June 2017},
	volume = {167},
	number = {8},
	month = {Jun},
	year = {2017},
	issn = {0975-8887},
	pages = {29-32},
	numpages = {4},
	url = {},
	doi = {10.5120/ijca2017914406},
	publisher = {Foundation of Computer Science (FCS), NY, USA},
	address = {New York, USA}


With the upcoming of new innovation in the fields of VLSI and correspondence, there is additionally a perpetually developing interest for fast preparing and low territory outline. It is additionally a verifiable truth that the chip range and most propagation time unit shapes a necessary piece of processor outline. Because of this respect, rapid and low zone designs turn into the need of the day. A fast fourier transform (FFT) is any quick calculation for figuring the DFT. The advancement of FFT calculations tremendously affected computational parts of flag handling and connected science. The decimation in-time (DIT) fast Fourier transform (FFT) all the time has advantage over the decimation in-frequency (DIF) FFT for most genuine esteemed applications, similar to discourse/picture/video handling, biomedical flag preparing, and time-arrangement examination, and so forth., since it doesn't require any yield reordering.


  1. Pramod Kumar Meher, Basant Kumar Mohanty, Sujit Kumar Patel, Soumya Ganguly, and Thambipillai Srikanthan, “Efficient VLSI Architecture for Decimation-in-Time Fast Fourier Transform of Real-Valued Data”, IEEE Transactions on Circuits And Systems—I: Regular Papers, Vol. 62 , No. 12, December 2015.
  2. Kathir chandrabose K. and  C. Paramasivam, “ High throughput feed forward pipelined parallel architecture for FFT and IFFT”, 2015 International Conference on Innovations in Information, Embedded and Communication Systems (ICIIECS).
  3. Guohui Wang; Bei Yin; Inkeun Cho; Joseph R. Cavallaro; Shuvra Bhattacharyya and Jarmo Takala, “Efficient architecture mapping of FFT/IFFT for cognitive radio networks”, 2014 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP).
  4. Antony Xavier Glittas; G. Lakshminarayanan, “Pipelined FFT architectures for real-time signal processing and wireless communication applications”, 18th International Symposium on VLSI Design and Test Year: 2014.
  5. M. Ayinala, Y. Lao, and K. K. Parhi, “An in-place FFT architecture for real-valued signals,” IEEE Trans. Circuits Syst. II, Exp. Briefs, vol. 60, no. 10, pp. 652–656, Oct. 2013.
  6. Jagadguru Swami Sri Bharati Krishna Tirthaji Maharaja, “Vedic Mathematics: Sixteen simple Mathematical Formulae from the Veda”, pp. 01-06, Delhi (2011).
  7. S. S. Kerur, Prakash Narchi, Jayashree C N, Harish M Kittur and Girish V A, “Implementation of Vedic multiplier for Digital Signal Processing”, International Conference on VLSI, Communication & Instrumentation (ICVCI) 2011, Proceedings published by International Joural of Computer Applications® (IJCA), pp.1-6.
  8. Sumit Vaidya and Depak Dandekar. “Delay-power performance comparison of multipliers in VLSI circuit design”, International Journal of Computer Networks & Communications (IJCNC), Vol.2, No.4, July 2010.
  9. Harpreet Singh Dhillon and Abhijit Mitra, “A Reduced-bit Multiplication Algorithm for Digital Arithmetic”, International Journal of Computational and Mathematical Sciences, Febrauary 2008, pp.64-69.
  10. Shashank Mittal, Md. Zafar Ali Khan and M.B. Srinivas, “Area Efficient High Speed Architecture of Bruun’s FFT for Software Defined Radio”, pp. 01-6, 2007 IEEE.
  11. B. G. Jo and M. H. Sunwoo, “New continuous-flow mixed-radix (CFMR) FFT processor using novel in-place strategy,” IEEE Trans. Circuits Syst. I, Reg. Papers, vol. 52, no. 5, pp. 911–919, May 2005.
  12. Charles. Roth Jr., “Digital Systems Design using VHDL”, Thomson Brooks/Cole, 7th reprint, 2005.
  13. Himanshu Thapaliyal and M.B Srinivas, “VLSI Implementation of RSA Encryption System Using Ancient Indian Vedic Mathematics”, Center for VLSI and Embedded System Technologies, International Institute of Information Technology Hyderabad, India 2004.


FFT, MCPD, LUT, Decimation in Time, Decimation in Frequency, real Value data.