Integrated GPS/GLONASS Navigation Results

Jacques Beser and Anushia Balendra

Abstract:	Integrated GPS/GLONASS navigation of- fers better availability, performance and integrity than GPS-only navigation. The 3s Navigation R-100 receiver is a 12 channel C/A code integrated GPS/GLONASS receiver capable of simultaneously tracking up to twelve GLONASS satellites, up to seven GPS satellites or a combination of both. The receiver was designed to meet the needs of a wide variety of users, from the navigator, requiring mainly posi- tion and velocity information to the researcher, requiring detailed raw data. Outputs include navigation and time solutions in several coordinate systems and based on GPS-only, GLONASS- only and integrated GPS/GLONASS con- stellations, as applicable. In addi- tion, raw pseudoranges and integrated carrier phase measurements with associ- ated error characteristics, carrier smoothed pseudoranges, C/NO, satellite ephemeris and almanac are provided. The 3S Navigation receivers are also well suited for operating as a differential reference station. Furthermore, the lack of Selective Availability on the GLONASS system makes these receivers ideally suited for the Time Transfer application. The paper presents the architecture and functionality of the 3s Navigation R-100 receiver and presents recent performance data for both stationary and dynamic tests. This includes the comparison of the GPS- only, GLONASS-only and integrated GPS/GLONASS solutions for both position and velocity. Results of zero-baseline differential tests are also presented.
Published in:	Proceedings of the 6th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 1993) September 22 - 24, 1993 Salt Palace Convention Center Salt Lake City, UT
Pages:	171 - 183
Cite this article:	Beser, Jacques, Balendra, Anushia, "Integrated GPS/GLONASS Navigation Results," Proceedings of the 6th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 1993), Salt Lake City, UT, September 1993, pp. 171-183.
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