Ionospheric Effect Mitigation for Real-Time Single-Frequency Precise Point Positioning

Kongzhe Chen and Yang Gao

Peer Reviewed

Abstract:	Precise Point Positioning (PPP) has received increased interest within the GPS community for a number of reasons: simplified field operation, cost-effectiveness, and no base station requirement. PPP with dualfrequency receivers and precise GPS products has demonstrated centimeter to decimeter positioning accuracy. Using real-time precise GPS products, this accuracy is also obtainable in a real-time mode. This paper investigates PPP using single-frequency GPS data which will be of interest to a broad range of applications because the majority of GPS users are using single-frequency GPS receivers. Since the ionospheric effect will be the biggest error source for single-frequency receiver based precise point positioning, different methods for ionospheric effect mitigation will be assessed and compared so that sub-meter positioning accuracy becomes obtainable.
Published in:	NAVIGATION: Journal of the Institute of Navigation, Volume 55, Number 3
Pages:	205 - 213
Cite this article:	Chen, Kongzhe, Gao, Yang, "Ionospheric Effect Mitigation for Real-Time Single-Frequency Precise Point Positioning", NAVIGATION: Journal of The Institute of Navigation, Vol. 55, No. 3, Fall 2008, pp. 205-213.
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