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Article citations


Odijk, D., Teunissen, P.G. and Khodabandeh, A. (2014) Single-Frequency PPP-RTK: Theory and Experimental Results. In: Rizos, C. and Willis, P., Eds., Earth on the Edge: Science for a Sustainable Planet, Springer, Berlin, 571-578.

has been cited by the following article:

  • TITLE: Stochastic Analysis of Low-Cost Single-Frequency GPS Receivers

    AUTHORS: Mohamed Elsayed Elsobeiey

    KEYWORDS: Single-Frequency Receiver, Stochastic Analysis, Precise Point Positioning

    JOURNAL NAME: Positioning, Vol.7 No.3, August 31, 2016

    ABSTRACT: Typically, dual-frequency geodetic grade GNSS receivers are utilized for positioning applications that require high accuracy. Single-frequency high grade receivers can be used to minimize the expenses of such dual-frequency receivers. However, user has to consider the resultant positioning accuracy. Since the evolution of low-cost single-frequency (LCSF) receivers is typically cheaper than single-frequency high grade receivers, it is possible to obtain comparable positioning accuracy if the corresponding observables are accurately modelled. In this paper, two LCSF GPS receivers are used to form short baseline. Raw GPS measurements are recorded for several consecutive days. The collected data are used to develop the stochastic model of GPS observables from such receivers. Different functions are tested to determine the best fitting model which is found to be 3 parameters exponential decay function. The new developed model is used to process different data sets and the results are compared against the traditional model. Both results from the newly developed and the traditional models are compared with the reference solution obtained from dual-frequency receiver. It is shown that the newly developed model improves the root-mean-square of the estimated horizontal coordinates by about 10% and improves the root-mean-square of the up component by about 39%.