Transactions of the Institute of Systems, Control and Information Engineers
Online ISSN : 2185-811X
Print ISSN : 1342-5668
ISSN-L : 1342-5668
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New PPP/VPPP Algorithms by using Multiple Antennas
Atsushi MouriYoshifumi KaratsuGoshi OkudaSueo SugimotoYukihiro KuboMasaharu Ohashi
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JOURNALS OPEN ACCESS

2016 Volume 29 Issue 12 Pages 525-534

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Abstract

In this paper, we present a novel PPP algorithm by applying the double difference for GNSS observables among multiple antennas (receivers), and apply improved VPPP algorithms. First of all, the GR models for double difference observables are shown which are similar to the GR models for the relative positioning algorithms, but both antennas’' positions are unknown. Then we derive the Kalman filtering algorithms for recursive estimation of all antennas’' positions and double difference integer ambiguity of all carrier-phases in GNSS observables. Then using the geometric constraints for all antennas’' positions, we derive the algorithms of updating the estimated parameters including antennas’' positions and integer ambiguities. Finally we show the experimental results of the proposed VPPP algorithm comparing with the previous VPPP algorithm.

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© 2016 The Institute of Systems, Control and Information Engineers
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