Reducing the Time-To-Fix for Stand-Alone Single-Frequency GNSS Attitude Determination

G. Giorgi, P.J.G. Teunissen, S. Verhagen

Abstract:	Precise Global Navigation Satellite System (GNSS) based attitude determination is based on the GNSS carrier phase measurements. In order to benefit from these precise phase measurements, their unknown integer number of cycles needs to be resolved. For attitude determination applications, this process of integer ambiguity resolution benefits significantly from the inclusion of a-priori baseline length constraints. In this contribution it will be shown how such constraints need to be incorporated into the ambiguity objective function. The method for integer minimizing this objective function is presented and its improved performance for reducing the Time-To-Fix is tested with numerical simulations and real-world static and dynamic tests.
Published in:	Proceedings of the 2010 International Technical Meeting of The Institute of Navigation January 25 - 27, 2010 Catamaran Resort Hotel San Diego, CA
Pages:	526 - 534
Cite this article:	Giorgi, G., Teunissen, P.J.G., Verhagen, S., "Reducing the Time-To-Fix for Stand-Alone Single-Frequency GNSS Attitude Determination," Proceedings of the 2010 International Technical Meeting of The Institute of Navigation, San Diego, CA, January 2010, pp. 526-534.
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