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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Hun-Chen Chen Jiun-In Guo Chien-Wei Jen |
| Copyright Year | 2002 |
| Description | Author affiliation: Dept. of Electron. Eng., Nat. Chiao Tung Univ., Hsin-Chu, Taiwan (Hun-Chen Chen) |
| Abstract | This paper presents a new group distributed arithmetic (GDA) design for the one-dimensional discrete Fourier transform (1-D DFT). We adopt distributed arithmetic (DA) computation and exploit the good features of the cyclic convolution to facilitate an efficient realization of one-dimensional N-point DFT using ROM module with small size, a barrier shifter, and N accumulators. To increase the ROM utilization, we re-arrange the content of ROM into several groups in which all the elements in a group will be accessed simultaneously in accumulating all the DFT outputs in word-parallel and bit-serial manner. It is called the GDA design approach in this paper. To compare the results with the traditional DA design, the design with the proposed approach can reduce significantly both the hardware cost and the propagation delay. |
| Sponsorship | IEEE IEEE Circuits & Syst. Soc |
| File Size | 392377 |
| File Format | |
| ISBN | 0780374487 |
| DOI | 10.1109/ISCAS.2002.1009867 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2002-05-26 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Arithmetic Discrete Fourier transforms Read only memory Convolution Hardware Costs Signal processing algorithms Design engineering Very large scale integration Systolic arrays |
| Content Type | Text |
| Resource Type | Article |
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