An Algorithm of Selecting more than Four Satellites from GNSS

被引:0
|
作者
Song, Dan [1 ]
Zhang, Pengfei [1 ]
Fan, Guochao [1 ]
Xu, Chengdong [1 ]
机构
[1] Beijing Inst Technol, Sch Aerosp Engn, Beijing 100081, Peoples R China
关键词
Satellite selection; GDOP; Satellite-receiver geometry (SRG); GNSS; CONSTELLATION;
D O I
暂无
中图分类号
TP18 [人工智能理论];
学科分类号
081104 ; 0812 ; 0835 ; 1405 ;
摘要
By analyzing the relationship between the GDOP value and the area of the polygon formed with the endpoints of the satellite-receiver unit vectors in 2-D, the optimal satellite-receiver geometry (SRG) and the minimum GDOP value of n satellites(n >= 4) in 3-D were deduced in this paper. Based on the minimum GDOP value and the optimal SRG in 3-D, a satellite selection algorithm is proposed to solve the problem of selecting more than 4 satellites from GNSS (Global Navigation Satellite Systems). The good performance of this algorithm on improving satellite selection efficiency with less sacrifice of the GDOP value is illustrated by simulation.
引用
收藏
页码:134 / 138
页数:5
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