LAUSR

A power-efficient variable-length prime factor MDC FFT architecture for high-speed wireless communication applications

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0 Published in 2020 at "AEU - International Journal of Electronics and Communications"

DOI: 10.1016/j.aeue.2020.153194

Abstract: Abstract In this paper, a variable-size power-efficient two-parallel prime factor MDC FFT architecture is proposed which uses a novel reconfigurable processing element pair (RPEP). The prior reconfigurable FFT approaches merely concentrate on FFT architectures with… read more here.

Keywords: fft; power; factor mdc; power efficient ... See more keywords

Reconfigurable VLSI design of a changeable hybrid-radix FFT hardware architecture with 2D-FIFO storing structure for 3GPP LTE systems

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1 Published in 2018 at "ICT Express"

DOI: 10.1016/j.icte.2017.11.007

Abstract: Abstract This paper presents a reconfigurable Fast Fourier Transform (FFT) hardware architecture for 3GPP LTE systems. In the main FFT computing process, a novel processing kernel engine is proposed to support four configuration types of… read more here.

Keywords: fft; 3gpp lte; changeable hybrid; hardware architecture ... See more keywords

OC-028 USING THE VACUUM ASSISTED “FRENCH FRY” TECHNIQUE (FFT) FOR WOUND CLOSURE IN CONTAMINATED OPEN ABDOMINAL WALL RECONSTRUCTION (AWR)

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2 Published in 2023 at "British Journal of Surgery"

DOI: 10.1093/bjs/znad080.035

Abstract: In some settings, it is not appropriate to close wounds primarily, such as when patients are felt to be at high risk for wound infection. FFT is a useful method of wound closure in these… read more here.

Keywords: fft; wound closure; closure; risk ... See more keywords

High-Performance Self-Synchronous Blind Audio Watermarking in a Unified FFT Framework

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0 Published in 2019 at "IEEE Access"

DOI: 10.1109/access.2019.2893646

Abstract: This paper presents a blind audio watermarking method that uses two different schemes to hide binary bits and auxiliary information within separate ranges of a fast Fourier transform (FFT) sequence. An adaptive vector norm modulation… read more here.

Keywords: performance self; fft; audio watermarking; blind audio ... See more keywords

Low-Power Wideband Analog Channelization Filter Bank Using Passive Polyphase-FFT Techniques

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0 Published in 2017 at "IEEE Journal of Solid-State Circuits"

DOI: 10.1109/jssc.2017.2700792

Abstract: Polyphase-FFT (P-FFT) techniques allow for low power implementations of high performance multi-channel filter banks by utilizing computation sharing like a standard fast Fourier transform (FFT). Additionally, it enables a longer “effective window length” than is… read more here.

Keywords: wideband; fft; fft techniques; power ... See more keywords

A 510-nW Wake-Up Keyword-Spotting Chip Using Serial-FFT-Based MFCC and Binarized Depthwise Separable CNN in 28-nm CMOS

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1 Published in 2021 at "IEEE Journal of Solid-State Circuits"

DOI: 10.1109/jssc.2020.3029097

Abstract: We propose a sub- $\mu \text{W}$ always-ON keyword spotting ( $\mu $ KWS) chip for audio wake-up systems. It is mainly composed of a neural network (NN) and a feature extraction (FE) circuit. For significantly… read more here.

Keywords: fft; tex math; inline formula;

Feedforward FFT Hardware Architectures Based on Rotator Allocation

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0 Published in 2018 at "IEEE Transactions on Circuits and Systems I: Regular Papers"

DOI: 10.1109/tcsi.2017.2722690

Abstract: In this paper, we present new feedforward FFT hardware architectures based on rotator allocation. The rotator allocation approach consists in distributing the rotations of the FFT in such a way that the number of edges… read more here.

Keywords: rotator; fft; based rotator; architectures based ... See more keywords

Area–Time–Power Efficient FFT Architectures Based on Binary-Signed-Digit CORDIC

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1 Published in 2019 at "IEEE Transactions on Circuits and Systems I: Regular Papers"

DOI: 10.1109/tcsi.2019.2922988

Abstract: Fast Fourier transform (FFT) is a significant technique in the digital signal processing (DSP). The intrinsic weak point of the primary designs of FFT was the use of multipliers. CORDIC is the most prevalent method… read more here.

Keywords: fft; binary signed; signed digit; bsd ... See more keywords

One-Step Calculation Circuit of FFT and Its Application

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2 Published in 2022 at "IEEE Transactions on Circuits and Systems I: Regular Papers"

DOI: 10.1109/tcsi.2022.3159803

Abstract: Discrete Fourier Transform (DFT) and Fast Fourier Transform (FFT) are core components in the field of signal processing. However, in the existing research, there is no fully analog circuit that can realize the one-step calculation… read more here.

Keywords: circuit; one step; fft; step calculation ... See more keywords

A Variable-Size FFT Hardware Accelerator Based on Matrix Transposition

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0 Published in 2018 at "IEEE Transactions on Very Large Scale Integration (VLSI) Systems"

DOI: 10.1109/tvlsi.2018.2846688

Abstract: 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 different. Therefore, this paper proposes a variable-size… read more here.

Keywords: size; fft hardware; fft; hardware accelerator ... See more keywords

A 2-D FFT-Based Transceiver Architecture for OAM-OFDM Systems With UCA Antennas

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1 Published in 2018 at "IEEE Transactions on Vehicular Technology"

DOI: 10.1109/tvt.2018.2817230

Abstract: Radio orbital angular momentum (OAM) provides another perspective of spatial multiplexing to improve the spectrum efficiency. However, multipath induces severe intra- and interchannel crosstalk. To solve the problem in a uniform circular array (UCA)-based OAM… read more here.

Keywords: transceiver architecture; tex math; fft; inline formula ... See more keywords