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http://dx.doi.org/10.7840/kics.2015.40.9.1846

A Precise Relative Positioning Method Based on Time-Differenced Carrier Phase Measurements from Low-Cost GNSS Receiver  

Park, Kwi-Woo (Chungbuk National University Department of Control and Robotics Engineering)
Lee, DongSun (Chungbuk National University Department of Control and Robotics Engineering)
Park, Chansik (Chungbuk National University Department of Electronics Engineering/Research Institute for Computer and Information Communication)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.40, no.9, 2015 , pp. 1846-1855 More about this Journal
Abstract
In this paper, a precise relative positioning with TD(time differenced) carrier phase measurements from a low-cost GNSS(Global Navigation Satellite System) receiver is proposed and analysed. The proposed method is using carrier phase measurement from a single GNSS receiver that reference receiver is not required and stand alone positioning is possible. TD operation removes the troublesome integer ambiguity resolution problem, and if the time interval is short, other error, such as, ionospheric, tropospheric delay and ephemeris error are effectively eliminated. The error analysis of the proposed method shows that a precise and positioning with carrier phase is possible. The implemented system is evaluated using a real car experiments. The results show that the horizontal positioning error was less than 3m during 10 minutes experiments, which is 4 times more precise than the results of normal code based absolute positioning.
Keywords
single-GNSS; relative positioning; time-differenced; error analysis;
Citations & Related Records
Times Cited By KSCI : 5  (Citation Analysis)
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