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Precise and Fast GNSS Signal Direction of Arrival Estimation

Published online by Cambridge University Press:  01 August 2013

Rui Sun ,
Kyle O'Keefe ,
Jian Guo  and
Eberhard Gill
Rui Sun
Affiliation:
(Department of Space Engineering, Faculty of Aerospace Engineering, Delft University of Technology, Kluyerweg 1, Delft, 2629HS, The Netherlands)
Kyle O'Keefe
Affiliation:
(Department of Geomatics Engineering, Schulich School of Engineering, University of Calgary, 2500 University Dr. NW, Calgary, Alberta, T2N 1N4, Canada)
Jian Guo*
Affiliation:
(Department of Space Engineering, Faculty of Aerospace Engineering, Delft University of Technology, Kluyerweg 1, Delft, 2629HS, The Netherlands)
Eberhard Gill
Affiliation:
(Department of Space Engineering, Faculty of Aerospace Engineering, Delft University of Technology, Kluyerweg 1, Delft, 2629HS, The Netherlands)
*
(E-mail: j.guo@tudelft.nl)
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Abstract

This paper proposes a precise and fast direction of arrival estimation method using Global Navigation Satellite System (GNSS) carrier phase measurements. Single-epoch, single-satellite integer cycle ambiguities are reliably resolved by making use of constraints and taking advantages of antenna arrays. The algorithm shows good robustness in cases where signal interruption or corruption occurs on some antenna elements as long as four antenna elements in a non-planar array have uncorrupted observables. The algorithm is demonstrated by field tests where antenna elements are connected to multiple receivers with an external common clock. The results indicate a high success rate of single-epoch ambiguity resolution and high direction of arrival accuracy.

Keywords

Signal direction of arrivalAmbiguity resolutionConstraintAntenna array
Type
Research Article
Information
The Journal of Navigation , Volume 67 , Issue 1 , January 2014 , pp. 17 - 35
Copyright
Copyright © The Royal Institute of Navigation 2013 

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