Abstract: In this paper, an algorithm of time-distributed fast Fourier transform and inverse fast Fourier transform (TD-FFT/TD-IFFT) is proposed. This work is motivated by the needs to implement ...
Abstract: In this paper, to reduce the memory size of IFFT for OFDM systems, we propose a new IFFT design based on a mapping of three IFFT input signals: modulated data, pilot and null signals. To ...
In this paper, a Fast Fourier Transform (FFT) or inverse FFT processor for Fifth-Generation (5G) Multiple-Input Multiple-Output (MIMO) Orthogonal Frequency Division Multiplexing (OFDM) system’s ...
AMES, Iowa - Iowa State University's Alexander Stoytchev says it's one of the "most popular and useful" algorithms around - even though most of us have never heard of it. But, if you've used a cell ...
The same engineers, who announced the solution to a 50-year-old puzzle in signal processing last fall, have followed up with more research results. The engineers say their new algorithm is more useful ...
Fourier Neural Operators (FNO) are powerful tools for learning partial differential equation solution operators, but lack architecture-aware optimizations, with their Fourier layer executing FFT, ...
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Engineers explore algorithm’s capabilities in special cases ‘on the unit circle’ AMES, Iowa – Iowa State University’s Alexander Stoytchev says it’s one of the “most popular and useful” algorithms ...
Engineers have solved a 50-year-old puzzle in signal processing. They've formulated the 'inverse chirp z-transform,' an algorithm related to one that's running on your cell phone right now. It took ...
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