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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Li, Yangming He, Yajuan He, Yanming Zhang, Ziji Zhen, Shaowei Luo, Ping |
| Copyright Year | 2014 |
| Description | Author affiliation: Power Integrated Technology Laboratory, University of Electronic Science and Technology of China, Chengdu 610054, CHINA (Li, Yangming; He, Yajuan; He, Yanming; Zhang, Ziji; Zhen, Shaowei; Luo, Ping) |
| Abstract | Fourier transform is the basic operation between time and frequency domain transformation. As a key operation of digital signal processing system, Fast Fourier Transform (FFT) is widely used in many fields such as communication, biomedical signal processing and image processing, which require a high precision of processed signal. To meet the requirement, the floating point number can be used to improve the signal quantization noise ratio (SQNR) greatly. In this paper, we proposed a power optimized 1024-point high precision FFT processor with 32-bit single precision floating point number for both input and output. Simulation results show that the proposed FFT works at 1.2 V, consumes 17.6 mW with a 0.13 µm CMOS technology. Its SQNR can reach 97 dB, which is ∼2× higher than the conventional design when maintaining the same power consumption. In the meanwhile, it gains ∼99% power reduction when maintaining the same SQNR. |
| Starting Page | 1 |
| Ending Page | 3 |
| File Size | 653379 |
| Page Count | 3 |
| File Format | |
| ISBN | 9781479932962 |
| e-ISBN | 9781479932825 |
| DOI | 10.1109/ICSICT.2014.7021572 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2014-10-28 |
| Publisher Place | China |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | CMOS integrated circuits Random access memory OFDM Adders Abstracts Monitoring CMOS technology |
| Content Type | Text |
| Resource Type | Article |
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