Preliminary Design of Monitoring and Control Subsystem for GNSS Ground Station

Details Preliminary Design of Monitoring and Control Subsystem for GNSS Ground Station Preliminary Design of Monitoring and Control Subsystem for GNSS Ground Station

Jun 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008jass...25..227j&link_type=abstract

Journal of Astronomy and Space Sciences. Vol. 25, no. 2, 227-238

Astronomy and Astrophysics

Astronomy

Gnss Ground Station, Monitoring, Control, Navigation Software

Scientific paper

GNSS (Global Navigation Satellite System) Ground Station monitors navigation satellite signal, analyzes navigation result, and uploads correction information to satellite. GNSS Ground Station is considered as a main object for constructing GNSS infra-structure and applied in various fields. ETRI (Electronics and Telecommunications Research Institute) is developing Monitoring and Control subsystem, which is subsystem of GNSS Ground Station. Monitoring and Control subsystem acquires GPS and Galileo satellite signal and provides signal monitoring data to GNSS control center. In this paper, the configurations of GNSS Ground Station and Monitoring and Control subsystem are introduced and the preliminary design of Monitoring and Control subsystem is performed. Monitoring and Control subsystem consists of data acquisition module, data formatting and archiving module, data error correction module, navigation solution determination module, independent quality monitoring module, and system operation and maintenance module. The design process uses UML (Unified Modeling Language) method which is a standard for developing software and consists of use-case modeling, domain design, software structure design, and user interface structure design. The preliminary design of Monitoring and Control subsystem enhances operation capability of GNSS Ground Station and is used as basic material for detail design of Monitoring and Control subsystem.

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