1. G. ICD, Navstar GPS Space Segment/Navigation User Interfaces, Interface Specification, 2012.
2. PPP models and performances from single-to quad-frequency BDS observations;Jin;Satellite Navigation,2020
3. Progress and performance evaluation of BeiDou global navigation satellite system: data analysis based on BDS-3 demonstration system;Yang;Science China Earth Sciences,2018
4. Glonass interface control document;Glonass,2008
5. J.Á.Á. Rodríguez, M. Irsigler, G.W. Hein, T. Pany, Combined Galileo/GPS frequency and signal performance analysis, in: Proceedings of the 17th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS 2004), 2004, pp. 632–649.