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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Jaber, M.A. Massicotte, D. Achouri, Y. |
| Copyright Year | 2011 |
| Description | Author affiliation: Université du Québec à Trois-Rivières, Electrical and Computer Engineering Department, Laboratory of Signal and System Integrations (Jaber, M.A.; Massicotte, D.; Achouri, Y.) |
| Abstract | This article describes a new approach for higher radix butterflies suitable for pipeline implementation. Based on the butterfly computation introduced by Cooley-Tukey [1], we will introduce a novel approach for the Discrete Fourier Transform (DFT) factorization, by redefining the butterfly computation, which is more suitable for efficient VLSI implementation. The proposed factorization motivated us to present a new concept of a radix-r Fast Fourier Transform (FFT), in which the radix-r butterfly computation concept was formulated as composite engines to implement each of the butterfly computations. This concept enables the radix r butterfly-processing element (BPE) to be designed by maintaining only one complex value multiplier in the butterfly critical path for any given r [2]. Algorithmic description and performance of low complexity FFT methods are considered in this paper where the speed and accuracy evaluation of the proposed method in fixed point is also elaborated. |
| Starting Page | 744 |
| Ending Page | 747 |
| File Size | 1241668 |
| Page Count | 4 |
| File Format | |
| ISBN | 9781457718458 |
| e-ISBN | 9781457718465 |
| e-ISBN | 9781457718441 |
| DOI | 10.1109/ICECS.2011.6122381 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2011-12-11 |
| Publisher Place | Lebanon |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Discrete Fourier transforms Signal processing algorithms Algorithm design and analysis Complexity theory Accuracy Delay Field programmable gate arrays |
| Content Type | Text |
| Resource Type | Article |
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