The ratio test for future GNSS ambiguity resolution

被引:226
作者
Verhagen, Sandra [1 ]
Teunissen, Peter J. G. [1 ,2 ]
机构
[1] Delft Univ Technol, Delft, Netherlands
[2] Curtin Univ, Perth, WA 6845, Australia
基金
澳大利亚研究理事会;
关键词
Integer ambiguity resolution; Ratio test; Fixed failure rate; Integer aperture estimation; GNSS;
D O I
10.1007/s10291-012-0299-z
中图分类号
TP7 [遥感技术];
学科分类号
081102 ; 0816 ; 081602 ; 083002 ; 1404 ;
摘要
The performance of the popular ambiguity ratio test is analyzed. Based on experimental and simulated data, it is demonstrated that the current usage of the ratio test with fixed critical value is not sustainable in light of the enhanced variability that future global navigation satellite system (GNSS) ambiguity resolution will bring. As its replacement, the model-driven ratio test with fixed failure rate is proposed. The characteristics of this fixed-failure rate ratio test are described, and a performance analysis is given. The relation between its critical value and various GNSS model parameters is also studied. Finally, a procedure is presented for the creation of fixed failure rate look-up tables for the critical values of the ratio test.
引用
收藏
页码:535 / 548
页数:14
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