Comparative Analysis of the Techniques for Estimation of GPS DOP over Indian Region

被引：2
|
作者：
Sultana, Quddusa [1 ]
Sunehra, Dhiraj [2 ]
Sarma, A. D. [2 ]
Rao, P. V. D. Somasekhar [3 ]
机构：
[1] Deccan Coll Engn & Technol, Hyderabad, Andhra Pradesh, India
[2] Osmania Univ, R & T Unit Nav Elect, Hyderabad 500007, Andhra Pradesh, India
[3] JNTU, Dept ECE, Hyderabad, Andhra Pradesh, India
来源：
IETE JOURNAL OF RESEARCH | 2009年 / 55卷 / 01期
关键词：
DOP; GPS; navigation; SATELLITE SELECTION;
D O I：
10.4103/0377-2063.51324
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：
Estimation of Dilution of Precision (DOP) plays an important role in aviation, terrestrial and marine navigation applications. In this paper results due to four techniques to estimate DOP namely, Kiharas method, all-in-view SVs, best-5 SVs and best-4 SVs are investigated. Experiments are performed using Novatel (DL-4plus) GPS receiver and the collected data is used for the analysis. Bancroft algorithm is used to find preliminary position of the receiver. Using this position of the receiver and satellite coordinates, DOP is estimated. Comparative analysis of the specified techniques is performed. For most of the time, DOP values due to all-in-view SVs are found as the best.
引用
收藏
页码：28 / 34
页数：7
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