Characterizing the Impact of Incorporating Two-Way Time Transfer Measurements on Network Differential GPS Position Solutions

K.L.B. Cook, J.F. Raquet, R. Beckman

Abstract:	In addition to knowing and improving the precise absolute position of a receiver, there is a strong desire to improve the ability to determine the relative position of a network of receivers (for example, receivers on vehicles such as aircraft, tanks, troops, etc). This paper characterizes the impact of using TWTT time and range measurements on the relative positioning of receivers in a network. The results show that including both TWTT time and range measurements in particular scenarios can reduce the 3-dimensional positioning errors by 11-44% over standard pseudorange differential GPS and by 17-50% over precise carrier-phase differential GPS.
Published in:	Proceedings of the 19th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS 2006) September 26 - 29, 2006 Fort Worth Convention Center Fort Worth, TX
Pages:	822 - 833
Cite this article:	Cook, K.L.B., Raquet, J.F., Beckman, R., "Characterizing the Impact of Incorporating Two-Way Time Transfer Measurements on Network Differential GPS Position Solutions," Proceedings of the 19th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS 2006), Fort Worth, TX, September 2006, pp. 822-833.
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