RTK positioning can be achieved with only 2+2+2 Satellites tracking (GPS + GLONASS + BeiDou).Īdditionally the paper demonstrates RTK performance which can be available w/o GPS, such configurations as GLONASS-only, BeiDou-only, GLONASS+BeiDou. Paper discusses specific multi-GNSS clock/biases issues keeping in mind different possible assumptions about reference data. The key point of the paper is so called GNSS-agnostic concept claiming no preference to any particular GNSS (e.g. Our new paper describes mutli-GNSS RTK concept involving up to six GNSS (GPS, GLONASS, Galileo, BeiDou, QZSS, and SBAS) utilizing standardized RTCM 3.2 transport for transmitting reference data. Also one QZSS became operational, four stable Galileo replaced test GIOVEs, and SBAS coverage has grown. Since that time, GNSS constellation has grown dramatically and new strong player, Chinese BeiDou GNSS, was deployed. Given paper is logical extension of ION GNSS 2011 paper from Ashtech, which described the principles of GNSS-agnostic receiver with focus on GPS+GLONASS positioning. Six Live GNSS: What RTK Performance One Can Expect?
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