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| Content Provider | Directory of Open Access Journals (DOAJ) |
|---|---|
| Author | Wenyi Li Peirong Fan Xiaowei Cui Sihao Zhao Tianyi Ma Mingquan Lu |
| Abstract | Traditional attitude determination using global navigation satellite system (GNSS) carrier phases is mostly applied on geodetic-grade receivers with sufficient baseline length. However, for some special applications such as mobile communication base station smart antenna attitude determination, only low-cost receivers with ultra-short baselines can be employed, and the environments are more challenging. When solving the ambiguity resolution (AR) problem with low-cost receivers, it is hard for the traditional methods in ambiguity domain to estimate float ambiguities accurately due to the large code pseudorange noises; thus, such systems fail to determine the correct ambiguities. Aiming at improving the AR success rate for ultra-short baselines attitude determination with low-cost receivers, we provide an objective function named Mean Square Residual (MSR) based on the geometrical relationship among the position spherical search space, the fractional carrier phases, and the possible ambiguities. The method can be calculated without code pseudoranges, and thus, can provide a higher AR success rate when using low-cost receivers. The corresponding analysis and acceptance test method are discussed in this contribution, and further, as an extension for more complicated urban dynamic applications, a GNSS/Inertial Navigation System (INS) integrated system is introduced. Several experiments have been conducted to verify performance. |
| e-ISSN | 14248220 |
| DOI | 10.3390/s18072114 |
| Journal | Sensors |
| Issue Number | 7 |
| Volume Number | 18 |
| Language | English |
| Publisher | MDPI AG |
| Publisher Date | 2018-07-01 |
| Publisher Place | Switzerland |
| Access Restriction | Open |
| Subject Keyword | Chemical Technology Gnss Attitude Determination Ambiguity Resolution Low-cost Receivers Gnss/ins Integrated System |
| Content Type | Text |
| Resource Type | Article |
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