A low-power Digital Matched Filter for Spread-Spectrum systems

被引：0

作者：

Goto, S ^{[1
]}

Yamada, T ^{[1
]}

Takayama, N ^{[1
]}

Matsushita, Y ^{[1
]}

Harada, Y ^{[1
]}

Yasuura, H ^{[1
]}

机构：

[1] Sanyo Elect Co Ltd, Gifu 5030195, Japan

来源：

ISLPED'02: PROCEEDINGS OF THE 2002 INTERNATIONAL SYMPOSIUM ON LOW POWER ELECTRONICS AND DESIGN | 2002年

关键词：

Matched Filter; Spread-Spectrum; CDMA; VLSI; low power;

D O I：

暂无

中图分类号：

TP3 [计算技术、计算机技术];

学科分类号：

0812 ;

摘要：

A Digital Matched Filter (DMF) is an essential device for Direct-Sequence Spread-Spectrum (DS-SS) communication systems. Reducing the power consumption of a DMF is especially critical for battery-powered terminals. The reception registers and the correlation-calculating unit dissipate the majority of the power in a DMF. In this paper we discuss this problem and propose a low-power architectural approach to a DMF. The total switching activity factor and the switched capacitance are reduced. As a result of power analysis at the gate level, the implementation of the proposed architecture in a standard 0.18-mum CMOS technology achieved a reduction in the power consumption of more than 70%.

引用

页码：301 / 306

页数：6

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