A key challenge of wide‐area kinematic positioning using the BeiDou system is to reduce the effects of the elevation‐dependent hardware biases in code signals. Based on three geometry‐free/ionosphere‐free combinations, the elevation‐dependent code biases are modeled for all BeiDou satellites. Results from the data sets for 5 baselines of 533 to 2545 km demonstrate that the wide‐lane (WL) integer‐fixing success rates of 95% to 99% can be achieved within 50 independent epochs. Under the condition of HDOP less than 2, the overall RMS statistics of ionospheric‐free WL single‐epoch solutions achieve 24 to 50 cm in the horizontal direction. Smoothing processing over the moving window of 40 epochs reduces the RMS values by a factor of about 2. Considering the distance‐independent nature, the above results show the potential for achieving reliable and high‐precision positioning with sparsely distributed ground stations regionally or globally. Copyright © 2017 Institute of Navigation.
Wide‐area Kinematic Positioning with BeiDou Triple‐frequency Signals
Navigation ; 64 , 1
2017
Aufsatz (Zeitschrift)
Englisch
BKL: | 55.54 Flugführung / 55.86 Schiffsverkehr, Schifffahrt / 53.84 Ortungstechnik, Radartechnik | |
Lokalklassifikation TIB: | 770/5680/7035 |