Repository logo
 

GPS equatorial ionospheric scintillation signals simulation, characterization, and estimation

Simple item page
dc.contributor.authorXu, Dongyang, author
dc.contributor.authorMorton, Yu, advisor
dc.contributor.authorRino, Charles, committee member
dc.contributor.authorvan Graas, Frank, committee member
dc.contributor.authorPinaud, Olivier, committee member
dc.date.accessioned2019-09-10T14:36:53Z
dc.date.available2019-09-10T14:36:53Z
dc.date.issued2019
dc.description.abstractStrong equatorial ionospheric scintillation is characterized with simultaneous deep amplitude fading and fast phase fluctuations, which can severely degrade GNSS receiver performance and impact a variety of GNSS applications. This dissertation addresses the equatorial ionospheric scintillation effects on GNSS signals in three aspects: simulation, characterization, and estimation. The first part of the dissertation presents a physics-based, strong scintillation simulator that requires only two scintillation indicators as input parameters, with validation results using a large amount of real scintillation data. In order to improve the accuracy of carrier phase estimation, a semi-open loop algorithm is developed in the second part of the dissertation. The performance of this algorithm is evaluated using the developed simulator against two other state-of-the-art algorithms and shows improved performance in terms of reduced cycle slip occurrences and estimation error. In the third part, the scintillation signal characterization is conducted using a large amount of real strong scintillation data from Ascension Island. Statistical summaries are obtained, including the temporal characteristics of and correlation between fast phase changes and deep fades and the statistical relationship between the data bit decoding error occurrences and the intensity of amplitude scintillation.
dc.format.mediumborn digital
dc.format.mediumdoctoral dissertations
dc.identifierXu_colostate_0053A_15686.pdf
dc.identifier.urihttps://hdl.handle.net/10217/197453
dc.languageEnglish
dc.language.isoeng
dc.publisherColorado State University. Libraries
dc.relation.ispartof2000-2019
dc.rightsCopyright and other restrictions may apply. User is responsible for compliance with all applicable laws. For information about copyright law, please see https://libguides.colostate.edu/copyright.
dc.subjectestimation
dc.subjectGPS signal simulation
dc.subjectatmospheric effects
dc.subjectionospheric scintillation
dc.subjectGPS processing
dc.titleGPS equatorial ionospheric scintillation signals simulation, characterization, and estimation
dc.typeText
dcterms.rights.dplaThis Item is protected by copyright and/or related rights (https://rightsstatements.org/vocab/InC/1.0/). You are free to use this Item in any way that is permitted by the copyright and related rights legislation that applies to your use. For other uses you need to obtain permission from the rights-holder(s).
thesis.degree.disciplineElectrical and Computer Engineering
thesis.degree.grantorColorado State University
thesis.degree.levelDoctoral
thesis.degree.nameDoctor of Philosophy (Ph.D.)

Files

Original bundle
Now showing 1 - 1 of 1
Thumbnail Image
Name:
Xu_colostate_0053A_15686.pdf
Size:
2.93 MB
Format:
Adobe Portable Document Format
Download

Collections

2000-2019
Theses and Dissertations