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http://dx.doi.org/10.11003/JPNT.2015.4.2.073

Precise Point Positioning using the BeiDou Navigation Satellite System in South Korea  

Choi, Byung-Kyu (Space Geodesy Group, Korea Astronomy and Space Science Institute)
Cho, Chang-Hyun (Space Geodesy Group, Korea Astronomy and Space Science Institute)
Lee, Sang Jeong (Department of Electronics Engineering, Chungnam National University)
Publication Information
Journal of Positioning, Navigation, and Timing / v.4, no.2, 2015 , pp. 73-77 More about this Journal
Abstract
Global Positioning System (GPS) Precise Point Positioning (PPP) has been extensively used for geodetic applications. Since December 2012, BeiDou navigation satellite system has provided regional positioning, navigation and timing (PNT) services over the Asia-Pacific region. Recently, many studies on BeiDou system have been conducted, particularly in the area of precise orbit determination and precise positioning. In this paper PPP method based on BeiDou observations are presented. GPS and BeiDou data obtained from Mokpo (MKPO) station are processed using the Korea Astronomy and Space Science Institute Global Navigation Satellite System (GNSS) PPP software. The positions are derived from the GPS PPP, BeiDou B1/B2 PPP and BeiDou B1/B3 PPP, respectively. The position errors on BeiDou PPP show a mean bias < 2 cm in the east and north components and approximately 3 cm in the vertical component. It indicates that BeiDou PPP is ready for the precise positioning applications in the Asia-Pacific region. In addition, BeiDou tropospheric zenith total delay (ZTD) is compared to GPS ZTD at MKPO station. The mean value of their difference is approximately 0.52 cm.
Keywords
BeiDou; GPS; positioning error; root mean square;
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