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Study of the contribution of an ionospheric model embedded on a dual frequency GNSS receiver.
KTH, School of Architecture and the Built Environment (ABE), Urban Planning and Environment, Geodesy and Satellite Positioning.
2016 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [sv]

GNSS (Global Navigation Satellite System) är system som gör det möjligt för en mottagare att känna sin position. Det täcker över GPS (Global Positioning System), ett system som drivs av USA, Galileo (europeisk), Beidou (kinesiska) och andra.För närvarande, med en fristående GPS-mottagare, är noggrannheten på positionen runt 1m. Men, GNSS-signaler förändras vid spridning genom atmosfären och kan brytas, reflekteras eller sprids av den närliggande miljön av mottagaren. Dessa bidrag (respektive kallade atmosfärsfördröjning och flervägsfel) leder till fel i mottagarens positionsskattning. Målet med denna studien är att presentera metoder för att hantera dessa fel.

Abstract [en]

GNSS (Global Navigation Satellite System) is a system that allows a receiver to know its position. It includes GPS (Global Positioning System), a system designed by the United States, Galileo (European), Beidou (Chinese) and others.Currently, with a stand-alone GPS receiver, the accuracy on the position estimation is around 1m. Indeed,GNSS signals are altered when spreading through the atmosphere and can be diffracted, reflected or scattered by the nearby environment of the receptor. These contributions (respectively called atmospheric delay and multipath) lead to errors on the receiver position estimation. The goal of this study is to present methods in order to tackle these errors.

Place, publisher, year, edition, pages
2016. , 80 p.
Series
TRITA-GIT EX, 16-002
Keyword [en]
GNSS, ionospherere, delay, receiver, model
National Category
Other Engineering and Technologies not elsewhere specified
Identifiers
URN: urn:nbn:se:kth:diva-183128OAI: oai:DiVA.org:kth-183128DiVA: diva2:907986
Educational program
Master of Science - Electrophysics
Presentation
2016-02-25, 11:41
Supervisors
Examiners
Available from: 2016-03-01 Created: 2016-03-01 Last updated: 2016-03-02Bibliographically approved

Open Access in DiVA

Master thesis report - Alice Tourtier(2186 kB)135 downloads
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afbc3e83adddefbd28bd5f7f51b50619bbb1e19247c25fd286b9b5dd2552e9ebe5fee2c8fdad272a69b7a6ddd2daed011093044f5955d66cb5501d24fed6cd7f
Type fulltextMimetype application/pdf

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CiteExportLink to record
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