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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Zhuo Qian Nasiri, N. Segal, O. Margala, M. |
| Copyright Year | 2014 |
| Description | Author affiliation: Univ. of Massachusetts Lowell, Lowell, MA, USA (Zhuo Qian; Nasiri, N.; Segal, O.; Margala, M.) |
| Abstract | Fast Fourier Transform (FFT) is one of the fundamental operations in digital signal processing area. Split-radix Fast Fourier Transform (SRFFT) approximates the minimum number of multiplications by theory among all the FFT algorithms, therefore SRFFT is a good candidate for the implementation of a low power FFT processor. In this PhD work, we aim to implement a novel low power Split-Radix FFT processor using shared-memory architecture and extend this work to a parallel structure based on FPGA. We started by designing a new radix-2 butterfly unit using clock gating approach to block unnecessary switching activity in the multiplier. Compared to existing SRFFT processors which are based on the “L” shaped butterfly, our implementation simplifies the address generation process for FFT data. Furthermore, because the number of multiplications required by SRFFT algorithm significantly decreases as the FFT size increases, it is reasonable to assume the proposed architecture will save more power when it comes to larger points of FFT. |
| Starting Page | 1 |
| Ending Page | 2 |
| File Size | 179070 |
| Page Count | 2 |
| File Format | |
| ISBN | 9783000446450 |
| DOI | 10.1109/FPL.2014.6927379 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2014-09-02 |
| Publisher Place | Germany |
| Access Restriction | Subscribed |
| Rights Holder | Technical University of Munich (TUM) |
| Subject Keyword | Program processors Field programmable gate arrays Algorithm design and analysis Signal processing algorithms Network topology Topology Clocks Parallel Architecture Split-Radix FFT Low Power |
| Content Type | Text |
| Resource Type | Article |
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