Emerging energy-efficient biosignal-dedicated circuit techniques: A tutorial brief

S Zhao, C Fang, J Yang… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
High spatiotemporal resolution biosignal that is vital for biomedical applications results in an
information bottleneck that poses challenges for their transferring and processing. The …

Design of high hardware efficiency approximate floating-point FFT processor

C Yan, X Zhao, T Zhang, J Ge… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
The Fast Fourier Transformation (FFT), as a high-efficiency algorithm of the Discrete Fourier
Transform (DFT), is widely used in Digital Signal Processing (DSP), wireless communication …

An area efficient vedic multiplier for FFT processor implementation using 4-2 compressor adder

S Dhanasekar - International Journal of Electronics, 2024 - Taylor & Francis
This article proposes a compact compressor adder of Vedic multiplication for an area-
efficient FFT architecture. A standard multi-radix-24, 22, 23 FFT with a single-path delay …

Energy-quality scalable design space exploration of approximate FFT hardware architectures

PTL Pereira, PÜL da Costa… - … on Circuits and …, 2022 - ieeexplore.ieee.org
This paper presents a comprehensive design space exploration for boosting energy
efficiency of a fast Fourier transform (FFT) VLSI accelerator, exploiting several approximate …

A novel digital logic for bit reversal and address generations in FFT computations

K Elango, K Muniandi - Wireless Personal Communications, 2023 - Springer
Abstract The Fast Fourier Transform and Inverse Fast Fourier Transform are high efficient
algorithm that have wide a range of Digital Signal Processing (DSP) and telecommunication …

Design of proficient two operand adder using hybrid carry select adder with FPGA implementation

V Thamizharasan, N Kasthuri - IETE Journal of Research, 2023 - Taylor & Francis
In every modern ICs the adders are essential components. Adder's performance has a
substantial impact on the architecture of signal processing, controller, the module of filter, the …

STQCA-FFT: A fast fourier transform architecture using stack-type QCA approach with power and delay reduction

AA Gudivada, GF Sudha - Journal of Computational Science, 2022 - Elsevier
Abstract Quantum-dot Cellular Automata (QCA) is a novel and fast-growing nanotechnology
that is used to build VLSI circuits. This paradigm has proven to be the fastest among various …

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 …

BFT—Low-Latency Bit-Slice Design of Discrete Fourier Transform

C Guaragnella, A Giorgio, M Rizzi - Journal of Low Power Electronics and …, 2023 - mdpi.com
Structures for the evaluation of fast Fourier transforms are important components in several
signal-processing applications and communication systems. Their capabilities play a key …

Design optimisation of multiplier‐free parallel pipelined FFT on field programmable gate array

PK Godi, BT Krishna, P Kotipalli - IET Circuits, Devices & …, 2020 - Wiley Online Library
Fast Fourier transform (FFT) is utilised to minimise the complexity of discrete Fourier
transform by converting signals from frequency domain to time domain and conversely …