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A Particle Filter approach to GPS signals
KTH, School of Information and Communication Technology (ICT).
2014 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

Localization systems nowadays are extensively used by a growing number of mobile devices, such as smartphones and tablets integrated with various applications, and their use for traditional purposes such as navigation and geodesy have pushed the development of new techniques and improved algorithms. The combination of multiple techniques is the most common approach. Global Navigation Satellite Systems, such as GPS are well known and established localization systems that have great accuracy but are limited to locations where the strength of the signal is good.

Therefore a new approach that could increase the sensitivity and even the accuracy by using GPS could benet a large group of users. This thesis originally proposes a new approach for these signals, based on Particle Filters that proved to work well in mitigating problems in an audio-based localization system. The results obtained show that this approach can increase the sensitivity of the system as a whole and positions estimations can be achieved under conditions that previous systems were not able to.

Place, publisher, year, edition, pages
2014. , 57 p.
TRITA-ICT-EX, 2014:113
Keyword [en]
GNSS, GPS, Localization
National Category
Computer and Information Science
URN: urn:nbn:se:kth:diva-177320OAI: diva2:872236
Available from: 2015-12-01 Created: 2015-11-18 Last updated: 2015-12-01Bibliographically approved

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