An Area and Power Efficient FFT Processor for UWB Systems

被引：4
|
作者：
Qiao, Shushan [1 ]
Hei, Yong [1 ]
Wu, Bin [1 ]
Zhou, Yumei [1 ]
机构：
[1] Chinese Acad Sci, Inst Microelect, Beijing, Peoples R China
来源：
2007 INTERNATIONAL CONFERENCE ON WIRELESS COMMUNICATIONS, NETWORKING AND MOBILE COMPUTING, VOLS 1-15 | 2007年
关键词：
FFT; UWB; OFDM;
D O I：
10.1109/WICOM.2007.151
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
This paper presents a novel 128-point Fast Fourier Transform (FFT) processor for practical Ultra-wideband (UWB) applications. The pipeline FFT processor based on the proposed non-Cooley-Tukey radix-8 unit can provide high throughput rate and has low hardware complexity. The radix-8 unit's hardware cost can save up to 20% compared with Radix-2 Single path Delay Feedback (R2SDF) architecture. Furthermore, both the input and output are In nature order. A 128-point FFT processor has been designed and implemented with SMIC 0.18 mu m CMOS process based on the proposed architecture. The throughput rate of proposed FFT processor is up to 409.6 Msample/s, which can meet the specification of UWB systems.
引用
收藏
页码：582 / 585
页数：4
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