research-article

Galileo and GLONASS group delay variations

Authors:

Lambert Wanninger,

Anja HeßelbarthAuthors Info & Claims

GPS Solutions, Volume 24, Issue 1

https://doi.org/10.1007/s10291-019-0939-7

Published: 07 December 2019 Publication History

Abstract

Similar to the antenna phase center corrections for phase measurements, group delay variations (GDV) of satellite and receiving GNSS antennas affect code pseudorange measurements. They are frequency-dependent and vary with the direction of signal transmission and reception. We present the first GDV estimates for all five Galileo and three GLONASS frequency bands based on terrestrial observations. As compared to GPS, the orbit properties of Galileo and GLONASS simplify this approach, because a single reference station can observe each Galileo and GLONASS satellite in its entire elevation angle range during one orbit repeat period. The homogenous results of three receiver antenna models for identical satellite types and a comparison to GPS Block IIF indicate mainly receiver antenna-specific GDV. They amount to 35 and 28 cm peak-to-peak for Galileo and GLONASS frequency bands E1 and G1, respectively, depending on the receiver antenna type. We show their effect on linear combinations where the code observable is used for precise applications and validate our GDV estimations by improving the height component in single-frequency precise point positioning.

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Cited By

Beer SWanninger LHeßelbarth A(2021)Estimation of absolute GNSS satellite antenna group delay variations based on those of absolute receiver antenna group delaysGPS Solutions10.1007/s10291-021-01137-825:3Online publication date: 9-Jun-2021
https://dl.acm.org/doi/10.1007/s10291-021-01137-8
Gao YJiang YGao YHuang G(2021)A linear Kalman filter-based integrity monitoring considering colored measurement noiseGPS Solutions10.1007/s10291-021-01086-225:2Online publication date: 14-Feb-2021
https://dl.acm.org/doi/10.1007/s10291-021-01086-2

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Information

Published In

cover image GPS Solutions

GPS Solutions Volume 24, Issue 1

Jan 2020

417 pages

ISSN:1080-5370

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© Springer-Verlag GmbH Germany, part of Springer Nature 2019.

Publisher

Springer-Verlag

Berlin, Heidelberg

Publication History

Published: 07 December 2019

Accepted: 27 November 2019

Received: 02 September 2019

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Cited By

Beer SWanninger LHeßelbarth A(2021)Estimation of absolute GNSS satellite antenna group delay variations based on those of absolute receiver antenna group delaysGPS Solutions10.1007/s10291-021-01137-825:3Online publication date: 9-Jun-2021
https://dl.acm.org/doi/10.1007/s10291-021-01137-8
Gao YJiang YGao YHuang G(2021)A linear Kalman filter-based integrity monitoring considering colored measurement noiseGPS Solutions10.1007/s10291-021-01086-225:2Online publication date: 14-Feb-2021
https://dl.acm.org/doi/10.1007/s10291-021-01086-2

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