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

Choi, Byung-Kyu; Cho, Chang-Hyun; Lee, Sang Jeong

doi:10.11003/jpnt.2015.4.2.073

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

Journal of Positioning, Navigation, and Timing, v.4 no.2, 2015년, pp.73 - 77

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)

Abstract ▼ AI-Helper

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.

주제어

AI 본문요약
AI-Helper

제안 방법

In this study, position determination of a reference station was performed by developing PPP method using BeiDou navigation satellites, and its performance was analyzed by comparing the BeiDou PPP and GPS PPP results. First, data received during three days at the MKPO reference station operated by the Korea Astronomy and Space Science Institute were processed using kinematic PPP, and parameters were estimated in 300 second intervals.
In this study, BeiDou data received at the Mokpo (MKPO) reference station were processed using the GNSS PPP software developed by the Korea Astronomy and Space Science Institute, and the position of the GNSS reference station was determined. Its performance was also analyzed by comparing the BeiDou kinematic PPP result with the GPS kinematic PPP result.

성능/효과

This study showed that position determination could be performed at an accuracy of less than several cm by using BeiDou kinematic PPP in the Korean Peninsula. Comparison of the tropospheric ZTDs estimated by GPS and BeiDou indicated that they are also coincident well within about 0.52 cm below on average.
In this study, position determination of a reference station was performed by developing PPP method using BeiDou navigation satellites, and its performance was analyzed by comparing the BeiDou PPP and GPS PPP results. First, data received during three days at the MKPO reference station operated by the Korea Astronomy and Space Science Institute were processed using kinematic PPP, and parameters were estimated in 300 second intervals. The BeiDou PPP data processing result showed similar position errors compared to the GPS PPP, but the RMS values for the position errors showed relatively lower performance in all directional components compared to those of the GPS PPP.
In this study, PPP data processing was performed using data of BeiDou navigation satellites received in the Korean Peninsula, and its performance for the position accuracy was presented. In particular, the performance of the BeiDou PPP was slightly lower than that of the GPS PPP, but the improvement of position accuracy is expected when the BeiDou system is stabilized and the number of navigation satellites increases.
In this study, PPP data processing was performed using data of BeiDou navigation satellites received in the Korean Peninsula, and its performance for the position accuracy was presented. In particular, the performance of the BeiDou PPP was slightly lower than that of the GPS PPP, but the improvement of position accuracy is expected when the BeiDou system is stabilized and the number of navigation satellites increases.
First, data received during three days at the MKPO reference station operated by the Korea Astronomy and Space Science Institute were processed using kinematic PPP, and parameters were estimated in 300 second intervals. The BeiDou PPP data processing result showed similar position errors compared to the GPS PPP, but the RMS values for the position errors showed relatively lower performance in all directional components compared to those of the GPS PPP.
This study showed that position determination could be performed at an accuracy of less than several cm by using BeiDou kinematic PPP in the Korean Peninsula. Comparison of the tropospheric ZTDs estimated by GPS and BeiDou indicated that they are also coincident well within about 0.

참고문헌 (14)

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

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