Details
| Original language | English |
|---|---|
| Title of host publication | 4th Workshop on Positioning, Navigation and Communication 2007 (WPNC'07) |
| Subtitle of host publication | Workshop Proceedings |
| Pages | 229-237 |
| Number of pages | 9 |
| Publication status | Published - 30 Apr 2007 |
| Event | 4th Workshop on Positioning, Navigation and Communication 2007, WPNC'07 - Hannover, Germany Duration: 22 Mar 2007 → … |
Abstract
In geodesy, GNSS-based methods are widely used for positioning and navigation. Since the precision (< some mm) and accuracy (< 1 cm) requirements are very high, sophisticated correction models and analysis strategies were developed, e.g. like the network RTK concept realised in different active permanent reference station networks. However, multipath and signal diffraction as well as the incomplete stochastic model for GNSS observations limits still the attainable accuracy and precision, especially for real time applications. In this paper, we focus on multipath and diffraction mitigation. The state of the art procedures for mitigation are revisited as well as the challenges for new strategies are addressed and explained using examples from the Satellite Positioning Service of the German National Survey (SAPOS) and from typical geodetic monitoring networks. Finally the importance of a complete stochastic model for GPS observations for statistically tests and meaningful interpretations of the results is underlined.
Keywords
- Diffraction, GNSS, Multipath, Stochastic model
ASJC Scopus subject areas
- Engineering(all)
- General Engineering
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4th Workshop on Positioning, Navigation and Communication 2007 (WPNC'07): Workshop Proceedings. 2007. p. 229-237.
Research output: Chapter in book/report/conference proceeding › Conference contribution › Research › peer review
}
TY - GEN
T1 - Challenges for GNSS-based high precision positioning - some geodetic aspects
AU - Schön, S.
AU - Dilßner, F.
PY - 2007/4/30
Y1 - 2007/4/30
N2 - In geodesy, GNSS-based methods are widely used for positioning and navigation. Since the precision (< some mm) and accuracy (< 1 cm) requirements are very high, sophisticated correction models and analysis strategies were developed, e.g. like the network RTK concept realised in different active permanent reference station networks. However, multipath and signal diffraction as well as the incomplete stochastic model for GNSS observations limits still the attainable accuracy and precision, especially for real time applications. In this paper, we focus on multipath and diffraction mitigation. The state of the art procedures for mitigation are revisited as well as the challenges for new strategies are addressed and explained using examples from the Satellite Positioning Service of the German National Survey (SAPOS) and from typical geodetic monitoring networks. Finally the importance of a complete stochastic model for GPS observations for statistically tests and meaningful interpretations of the results is underlined.
AB - In geodesy, GNSS-based methods are widely used for positioning and navigation. Since the precision (< some mm) and accuracy (< 1 cm) requirements are very high, sophisticated correction models and analysis strategies were developed, e.g. like the network RTK concept realised in different active permanent reference station networks. However, multipath and signal diffraction as well as the incomplete stochastic model for GNSS observations limits still the attainable accuracy and precision, especially for real time applications. In this paper, we focus on multipath and diffraction mitigation. The state of the art procedures for mitigation are revisited as well as the challenges for new strategies are addressed and explained using examples from the Satellite Positioning Service of the German National Survey (SAPOS) and from typical geodetic monitoring networks. Finally the importance of a complete stochastic model for GPS observations for statistically tests and meaningful interpretations of the results is underlined.
KW - Diffraction
KW - GNSS
KW - Multipath
KW - Stochastic model
UR - http://www.scopus.com/inward/record.url?scp=36348976982&partnerID=8YFLogxK
U2 - 10.1109/WPNC.2007.353639
DO - 10.1109/WPNC.2007.353639
M3 - Conference contribution
AN - SCOPUS:36348976982
SN - 1424408717
SN - 9781424408719
SP - 229
EP - 237
BT - 4th Workshop on Positioning, Navigation and Communication 2007 (WPNC'07)
T2 - 4th Workshop on Positioning, Navigation and Communication 2007, WPNC'07
Y2 - 22 March 2007
ER -