An algorithm for improving sensitivity of GPS receiver based on cross-correlation mitigation

被引：0
|
作者：
Hao Jianjun [1 ]
He Qiusheng [2 ]
机构：
[1] Shandong Univ Sci & Technol, Coll Informat & Elect Engn, Qingdao, Peoples R China
[2] Taiyan Univ Sci & Technol, Coll Elect & Informat Engn, Taiyuan, Peoples R China
来源：
2008 4TH INTERNATIONAL CONFERENCE ON WIRELESS COMMUNICATIONS, NETWORKING AND MOBILE COMPUTING, VOLS 1-31 | 2008年
关键词：
cross correlation; Doppler frequency shift; code phase difference;
D O I：
暂无
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
An algorithm for GPS receiver performing to mitigate cross correlations between multiple satellite signals is presented. By using the known pseudosequence, the cross-correlation between every two signals can be computed, whereas this cross correlation value often changes since Doppler frequency shift and code phase difference. With aim to estimate the correct cross-correlation, a synthetical factor was presented base on analysis of the characteristics of cross correlation under the influence of Doppler frequency difference and fractional code phase difference. Simulation result shows this scheme can mitigate the interference of 75%.
引用
收藏
页码：2065 / +
页数：2
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