Research Article
The Coarse-Position-Free Coarse-Time Positioning Method for BDS Receiver
Table 2
Test 1 results of the coarse position estimation method based on mixed-type code phase ambiguity resolution (unit: m).
| coarse time deviation | Error Type | CTP success rate | RMS error in the X-axis direction | RMS error in the Y-axis direction | RMS error in the Z-axis direction | 3-D RMS error |
| 5s | 884 | 2669 | 1217 | 3065 | 100% | 10s | 1813 | 5367 | 2439 | 6169 | 99% | 15s | 2741 | 8061 | 3661 | 9270 | 98.6% | 20s | 3710 | 10781 | 4895 | 12409 | 98% | 25s | 4700 | 13504 | 6136 | 15561 | 97.3% | 30s | 5652 | 16234 | 7363 | 18701 | 97% |
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