About: Real-time Combination of GNSS Orbit and Clock Correction Streams Using a Kalman Filter Approach

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Within the framework of the Real-Time IGS Working Group, a number of Analysis Centers (ACs) estimate GNSS satellite orbit and clock corrections to broadcast ephemeris. Corrector streams are encoded in RTCM ` State Space Representation' (SSR) messages and disseminated over the Open Internet using the NTRIP transport protocol. The major application is real-time ` Precise Point Positioning' (PPP) which is possible nowadays with accuracy of one decimeter after about 15 minutes or less convergence time. As availability and reliability are of enormous significance in the real-time positioning area, an effort has been made to develop a combination technique for ephemeris correctors based on the application of a Kalman filter. This new combination procedure is supposed to be beneficial especially with regards to handling outages and offsets in individual AC solutions. The final goal is the provision of a reliable real-time GNSS combination product free from outages and outliers. The implementation in an Open Source tool combines, encodes, uploads and saves correctors coming from any number of service providers. This paper describes the new Kalman filter combination technique and presents some real-time test results. Within the framework of the Real-Time IGS Working Group, a number of Analysis Centers (ACs) estimate GNSS satellite orbit and clock corrections to broadcast ephemeris. Corrector streams are encoded in RTCM ` State Space Representation' (SSR) messages and disseminated over the Open Internet using the NTRIP transport protocol. The major application is real-time ` Precise Point Positioning' (PPP) which is possible nowadays with accuracy of one decimeter after about 15 minutes or less convergence time. As availability and reliability are of enormous significance in the real-time positioning area, an effort has been made to develop a combination technique for ephemeris correctors based on the application of a Kalman filter. This new combination procedure is supposed to be beneficial especially with regards to handling outages and offsets in individual AC solutions. The final goal is the provision of a reliable real-time GNSS combination product free from outages and outliers. The implementation in an Open Source tool combines, encodes, uploads and saves correctors coming from any number of service providers. This paper describes the new Kalman filter combination technique and presents some real-time test results. (en)
Title	Real-time Combination of GNSS Orbit and Clock Correction Streams Using a Kalman Filter Approach Real-time Combination of GNSS Orbit and Clock Correction Streams Using a Kalman Filter Approach (en)
skos:prefLabel	Real-time Combination of GNSS Orbit and Clock Correction Streams Using a Kalman Filter Approach Real-time Combination of GNSS Orbit and Clock Correction Streams Using a Kalman Filter Approach (en)
skos:notation	RIV/68407700:21110/11:00204438!RIV13-MSM-21110___
http://linked.open...avai/riv/aktivita	I
http://linked.open...avai/riv/aktivity	I
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Mervart, Leoš
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	České vysoké učení technické v Praze / Fakulta stavební
http://linked.open...dnocenehoVysledku	225855
http://linked.open...ai/riv/idVysledku	RIV/68407700:21110/11:00204438
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	GNSS; Kalman Filter; Real-time (en)
http://linked.open.../riv/klicoveSlovo	GNSS Kalman Filter Real-time
http://linked.open...ontrolniKodProRIV	[6B20C9978A4C]
http://linked.open...v/mistoKonaniAkce	Portland
http://linked.open...i/riv/mistoVydani	Washington
http://linked.open...i/riv/nazevZdroje	Proceedings of the 24th International Technical Meeting of The Satellite Division of the Institute of Navigation (ION GNSS 2011)
http://linked.open...in/vavai/riv/obor	DE
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...UplatneniVysledku	2011
http://linked.open...iv/tvurceVysledku	Mervart, Leoš Weber, G.
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open...ain/vavai/riv/wos	000304032000051
http://linked.open.../riv/zahajeniAkce	2011-09-20 (xsd:date)
number of pages	5 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Institute of Navigation
https://schema.org/isbn	978-1-61839-475-0
http://localhost/t...ganizacniJednotka	21110

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