Title :
Improve satellite radio navigation system performances using linear Kalman filtering
Author_Institution :
Fac. of Aeronaut. & Astronaut., Istanbul Tech. Univ., Turkey
Abstract :
A recursive Kalman filter which estimates the user coordinates has been designed, when satellite radio navigation system is used. This filter also makes finding the distance measuring errors, resulted from the time differences between user and satellite (clock bias), possible. Results of performed simulation revealed that the designed filter has worked with high accuracy and has considered both user coordinates and clock bias in real time.
Keywords :
Kalman filters; recursive filters; satellite navigation; clock bias; error measurement; linear Kalman filtering; recursive Kalman filter; satellite radio navigation system; time difference; Clocks; Distance measurement; Extraterrestrial measurements; Filtering; Kalman filters; Nonlinear equations; Nonlinear filters; Radio navigation; Satellite broadcasting; Satellite navigation systems;
Conference_Titel :
Recent Advances in Space Technologies, 2003. RAST '03. International Conference on. Proceedings of
Conference_Location :
Istanbul, Turkey
Print_ISBN :
0-7803-8142-4
DOI :
10.1109/RAST.2003.1303975