Snapshot Estimation Algorithms for GNSS Mass-Market Receivers

Tipo di pubblicazione: Tesi di dottorato
Tipologia MIUR: Tesi di dottorato > Tesi di dottorato - Polito
Titolo: Snapshot Estimation Algorithms for GNSS Mass-Market Receivers
Autori: Linty N.
Autori di ateneo:
Tutor: Lo Presti L.
Dottorato di ricerca: XXVII Ciclo > INGEGNERIA ELETTRONICA E DELLE COMUNICAZIONI
Istituzione: Politecnico di Torino
Numero di pagine: 227
Abstract: This thesis resumes the PhD program carried out in the signal processing, satellite positioning and telecommunication fields, within the Navigation, Signal Analysis and Simulation (NavSAS) group, Department of Electronics and Telecommunications (DET) of Politecnico di Torino, in the period going from January 2012 to December 2014. The main topic of the PhD activity is represented by Global Navigation Satellite System (GNSS) receivers core technologies. In particular, it deals with the design, development, test and performance assessment of innovative architectures, techniques, and algorithms for Global Positioning System (GPS) and Galileo receivers, both professional high performance and commercial mass-market. GPS, and in general GNSSs are radio-communication infrastructures, aimed to enable a generic user to compute Position, Velocity and Time (PVT). The signals transmitted by a constellation of satellites are processed by an electronic device, performing trilateration with respect to the satellites, taken as reference points. At least 4 satellites are required to be in Line of Sight (LOS) with the receiver, so as to obtain 4 different signals and to solve the 4 navigation unknowns: latitude, longitude, height and time. Since their first appearance, in the early seventies, GNSS chipsets and devices are gaining a fundamental role in most applications of everyday life, and their global market continues to grow rapidly. In 25 years, GNSS receivers became extremely used worldwide, not only for positioning and navigation purposes, but also for time synchronization, thus spanning an unlimited range of applications, from commercial to scientific, from military to recreational. GNSS mass-market receivers are extremely widespread, produced in very high volume—hundreds of millions just for smartphones and tablets—and sold at a limited price. This variety of applications and possibilities represents the main reason of the continuous growth of the GNSS field: in fact, new systems are emerging beside GPS, such as GLONASS, currently operational and in expansion, Galileo and Beidou. With the latest trends of multi-constellation receivers, the positioning accuracy can greatly improve, as well as its robustness, availability, reliability, but at the expense of a greater complexity and power consumption
Data: 2015
Status: Pubblicato
Lingua della pubblicazione: Inglese
Parole chiave:
Dipartimenti (originale): DET - Dipartimento di Elettronica e Telecomunicazioni
Dipartimenti: DET - Dipartimento di Elettronica e Telecomunicazioni
URL correlate:
    Area disciplinare: Area 09 - Ingegneria industriale e dell'informazione > TELECOMUNICAZIONI
    Data di deposito: 21 Apr 2015 17:05
    Data ultima modifica (IRIS): 21 Apr 2015 17:11:33
    Data inserimento (PORTO): 30 Set 2016 07:04
    Numero Identificativo (DOI): 10.6092/polito/porto/2602171
    Permalink: http://porto.polito.it/id/eprint/2602171

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