Compatibility of the data processing system combined with Global Positioning System and Global Navigation Satellite System

This paper reports on the compatibility of combined with GPS and GLONASS data processing system. The conditions for the compatibility and comprehensive correction methods of deviation were proposed. Through the using of schemes and algorithms, the objective existence GLONASS deviation can be reduced, and the capacity of GPS+GLONASS complex system can be improved. It was also demonstrated that if the base station receiver and rover were from different manufactures, the deviation from GLONASS pseudo range and carrier phase could lead to the failure of achieving cm level. With the algorithms, in all the applications and in any base stations or networked systems, the GPS+GLONASS complex system could exhibit the advantages over just GPS applied system both positioning accuracy and positioning speed and other RTK positioning performance.