A Doppler Bins Elimination Algorithm in a GPS Signal Acquisition System

被引：0
|
作者：
Lu, Weijun [1 ]
Li, Ying [1 ]
Yu, Dunshan [1 ]
Zhang, Xing [1 ]
机构：
[1] Peking Univ, Inst Microelect, Beijing 100871, Peoples R China
来源：
2009 IEEE INTERNATIONAL CONFERENCE OF ELECTRON DEVICES AND SOLID-STATE CIRCUITS (EDSSC 2009) | 2009年
关键词：
Doppler bins elimination; acquisition; global positioning system;
D O I：
10.1109/EDSSC.2009.5394161
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：
A Doppler bins elimination algorithm for a global positioning system (GPS) signal acquisition system is proposed. We use a two-step digital down conversion scheme in which an estimated Doppler frequency corresponds with two frequencies in the received signal. The Doppler bins are eliminated to 50% of the conventional scheme. Simulation results showed that the average acquisition time can be reduced to 50% under normal GPS signal condition(1).
引用
收藏
页码：182 / 185
页数：4
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