Power consumption of A/D converters for software radio applications

被引：45
作者：
Kenington, PB [1 ]
Astier, L [1 ]
机构：
[1] Wireless Syst Int Ltd, Bristol BS8 1EJ, Avon, England
来源：
IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY | 2000年 / 49卷 / 02期
关键词：
A/D converters; mobile radio; power consumption; radio transmitters and receivers; software radio;
D O I：
10.1109/25.832996
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
An "ideal" software radio receiver is often considered as an analog/digital (AID) converter connected directly to an antenna. This paper analyzes this ideal approach in terms of the power consumption of the A/D converter, based on a theoretical analysis of its minimum possible value. The results indicate that for the number of bits required to cope with the slow and fast fading environments and consequent large dynamic range encountered in a mobile radio system, the power consumption of the A/D converter is a fundamental limitation.
引用
收藏
页码：643 / 650
页数：8
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