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- Title
BFT—Low-Latency Bit-Slice Design of Discrete Fourier Transform.
- Authors
Guaragnella, Cataldo; Giorgio, Agostino; Rizzi, Maria
- Abstract
Structures for the evaluation of fast Fourier transforms are important components in several signal-processing applications and communication systems. Their capabilities play a key role in the performance enhancement of the whole system in which they are embedded. In this paper, a novel implementation of the discrete Fourier transform is proposed, based on a bit-slice approach and on the exploitation of the input sequence finite word length. Input samples of the sequence to be transformed are split into binary sequences and each one is Fourier transformed using only complex sums. An FPGA-based solution characterized by low latency and low power consumption is designed. Simulations have been carried out, first in the Matlab environment, then emulated in Quartus IDE with Intel. The hardware implementation of the conceived system and the test for the functional accuracy verification have been performed, adopting the DE2-115 development board from Terasic, which is equipped with the Cyclone IV EP4CE115F29C7 FPGA by Intel.
- Subjects
INTEL Corp.; DISCRETE Fourier transforms; FAST Fourier transforms; FOURIER transforms; BINARY sequences; ORTHOGONAL frequency division multiplexing; TELECOMMUNICATION systems; DIGITAL video broadcasting
- Publication
Journal of Low Power Electronics & Applications, 2023, Vol 13, Issue 3, p45
- ISSN
2079-9268
- Publication type
Article
- DOI
10.3390/jlpea13030045