METHODS OF ACCURACY IMPROVEMENT AND CORRECTION GENERATION IN REAL-TIME DGPS POSITIONING

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NEJAT D.; VOSOUGHI B.

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Paper Information

Journal: JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TABRIZ) Year:2009 | Volume:38 | Issue:3 (CIVIL ENGINEERING) Page(s): 23-34

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Title

METHODS OF ACCURACY IMPROVEMENT AND CORRECTION GENERATION IN REAL-TIME DGPS POSITIONING

Author(s)

NEJAT D. | VOSOUGHI B. | Issue Writer Certificate

Keywords

DIFFERENTIAL CORRECTIONQ1

CODE OBSERVATIONQ1

CARRIER PHASE OBSERVATIONQ1

DIFFERENTIAL ALGORITHMQ1

Abstract

SPS (standard positioning services) users of GPS can determine the position with C/A CODE OBSERVATIONs in real-time. In order to improve the real-time positioning accuracy and standard navigation requirements some methods has been developed to increase the accuracy level of GPS observations in real-time. This concept contains DGPS correction generation methods. In this paper we discuss some DGPS methods and simulate some of them by using the GPS observations of five permanent GPS stations in Alborz network. According to the results Potential of errors decreases from 61m down to 1.5m. Applying the network-derived parameters result in better accuracy level. In CODE OBSERVATION domain, LIMdh method and LCMxyh method show the most efficiency and the best accuracy improvement (up to 47%), while in CARRIER PHASE OBSERVATION domain bilinear surface fitting results the best accuracy improvement (up to 40%).

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APA: Copy

NEJAT, D., & VOSOUGHI, B.. (2009). METHODS OF ACCURACY IMPROVEMENT AND CORRECTION GENERATION IN REAL-TIME DGPS POSITIONING. JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TABRIZ), 38(3 (CIVIL ENGINEERING)), 23-34. SID. https://sid.ir/paper/43809/en

Vancouver: Copy

NEJAT D., VOSOUGHI B.. METHODS OF ACCURACY IMPROVEMENT AND CORRECTION GENERATION IN REAL-TIME DGPS POSITIONING. JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TABRIZ)[Internet]. 2009;38(3 (CIVIL ENGINEERING)):23-34. Available from: https://sid.ir/paper/43809/en

IEEE: Copy

D. NEJAT, and B. VOSOUGHI, “METHODS OF ACCURACY IMPROVEMENT AND CORRECTION GENERATION IN REAL-TIME DGPS POSITIONING,” JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TABRIZ), vol. 38, no. 3 (CIVIL ENGINEERING), pp. 23–34, 2009, [Online]. Available: https://sid.ir/paper/43809/en

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