High performance hardware FFTs have numerous applications in instrumentation and
communication systems. This paper describes a new parallel FFT architecture which …

Split-radix Fast Fourier Transform (SRFFT) approximates the minimum number of
multiplications by theory among all the FFT algorithms. Since multiplications significantly …

Fast Fourier Transform (FFT) is one of the fundamental operations in digital signal
processing area. Split-radix Fast Fourier Transform (SRFFT) approximates the minimum …

Split-radix fast Fourier transform (SRFFT) is an ideal candidate for the implementation of a
low-power FFT processor, because it has the lowest number of arithmetic operations among …

A fast radix-4 complex FFT implementation using 4-parallel SIMD instructions is presented.
Four radix-4 butterflies are calculated in parallel at all stages by loading consecutive 4 …

The split-radix fast Fourier transform (SRFFT) is attractive for low-power FFT processors as it
has the lowest numbers of multiplication operations among all FFT algorithms. FFT …

The paper presents a family of architectures for FFT implementation based on the
decomposition of the perfect shuffle permutation, which can be designed with variable …

Fast Fourier transform (FFT) is an essential component in many digital signal processing
and communications systems. The performance of the FFT component is a key factor in …

In this paper we propose a fully parallel 64K point radix-4 4 FFT processor. The radix-4 4
parallel unrolled architecture uses a novel radix-4 butterfly unit which takes all four inputs in …

A method, called twiddle-factor-shift, which combines the simplicity of interconnections and
processor elements (PEs) of radix-2 fast Fourier transform (FFT) algorithms and of the lower …