The field of pipelined FFT hardware architectures has been studied during the last 50 years.
This paper is a survey that includes the main advances in the field related to architectures for …

In this paper, we propose an area-efficient short-time Fourier transform (STFT) processor
that can perform time–frequency analysis of non-stationary signals in real time, which is …

The Fast Fourier Transform and Inverse Fast Fourier Transform (FFT/IFFT) are the most
significant digital signal processing (DSP) techniques used in Orthogonal Frequency …

This paper presents a fully parallel and customizable approach for implementing the
Discrete Fourier transform (DFT) and inverse DFT (IDFT), which are essential in a wide …

We present an efficient combined single-path delay commutator-feedback (SDC-SDF) radix-
2 pipelined fast Fourier transform architecture, which includes log 2 N-1 SDC stages, and 1 …

Fast Fourier transform (FFT) is widely used in digital signal processing and
telecommunications, particularly in orthogonal frequency division multiplexing systems, to …

This paper presents a mixed-decimation multipath delay feedback (M2 DF) approach for the
radix-2 k fast Fourier transform. We employ the principle of folding transformation to derive …

This paper presents a reconfigurable fast Fourier transform (FFT) hardware architecture,
supporting 46 different FFT sizes defined in 3GPP-LTE applications. Our proposed design …

FFT processor of pipelined FFT consists of a sub-class of architectures that are determinedly
efficient in hardware. The pipeline FFT is a special class of FFT algorithms which can …

Fast Fourier transform (FFT) is the kernel and the most time-consuming algorithm in the
domain of digital signal processing, and the FFT sizes of different applications are very …