A survey on pipelined FFT hardware architectures

M Garrido - Journal of Signal Processing Systems, 2022 - Springer
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 …

Optimum circuits for bit-dimension permutations

M Garrido, J Grajal, O Gustafsson - IEEE Transactions on Very …, 2019 - ieeexplore.ieee.org
In this paper, we present a systematic approach to design hardware circuits for bit-
dimension permutations. The proposed approach is based on decomposing any bit …

Advanced quantization schemes to increase accuracy, reduce area, and lower power consumption in FFT architectures

M Garrido, VM Bautista, A Portas… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
This paper explores new advanced quantization schemes for fast Fourier transform (FFT)
architectures. In previous works, FFT quantization has been treated theoretically or with the …

Hardware architectures for the fast Fourier transform

M Garrido, F Qureshi, J Takala… - Handbook of signal …, 2019 - Springer
The fast Fourier transform (FFT) is a widely used algorithm in signal processing applications.
FFT hardware architectures are designed to meet the requirements of the most demanding …

A 1 million-point FFT on a single FPGA

H Kanders, T Mellqvist, M Garrido… - … on Circuits and …, 2019 - ieeexplore.ieee.org
In this paper, we present the first implementation of a 1 million-point fast Fourier transform
(FFT) completely integrated on a single field-programmable gate array (FPGA), without the …

A low latency FFT/IFFT architecture for massive MIMO systems utilizing OFDM guard bands

M Mahdavi, O Edfors, V Öwall… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
A considerable part of latency in the baseband of massive multiple-input multiple-output
(MIMO) systems is introduced by orthogonal frequency division multiplexing (OFDM)(de) …

World's fastest FFT architectures: Breaking the barrier of 100 GS/s

M Garrido, K Möller, M Kumm - IEEE Transactions on Circuits …, 2018 - ieeexplore.ieee.org
This paper presents the fastest fast Fourier transform (FFT) hardware architectures so far.
The architectures are based on a fully parallel implementation of the FFT algorithm. In order …

Radix-2k MSC FFT Architectures

GT Deng, M Garrido, SG Chen, SJ Huang - IEEE Access, 2023 - ieeexplore.ieee.org
In recent years, the SC FFT architecture has become popular for processing serial data. It
requires a small number of components and achieves full utilization of the butterflies, which …

The constant multiplier FFT

M Garrido, P Malagón - … Transactions on Circuits and Systems I …, 2020 - ieeexplore.ieee.org
In this paper, we present a new fast Fourier transform (FFT) hardware architecture called
constant multiplier (CM) FFT. Whereas rotators in previous architectures must rotate among …

Low‐power fast Fourier transform hardware architecture combining a split‐radix butterfly and efficient adder compressors

G Ferreira, G Paim, LMG Rocha… - IET Computers & …, 2021 - Wiley Online Library
Fast Fourier transform (FFT) is the most common low‐complexity implementation of the
discrete Fourier transform, intensively employed to process real‐world signals in smart …