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

页码：582 / 585

页数：4

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