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Increasing GPS accuracy for low cost receivers
2006 (English)Independent thesis Advanced level (professional degree), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

This thesis presents a theoretical and practical study of the accuracy attainable with low cost consumer grade GPS devices. It begins with a general introduction to the global positioning system and then goes on to focus on position estimation, error sources, and mitigation techniques. Using differential GPS and post-processing of data it should be possible to achieve accuracies within tens of centimeters even with consumer grade devices, so the practical part focused on the development of a working dGPS system. The main limiting factors in such a system are receiver clock accuracy and receiver noise. Unfortunately the project became much too large for a single Master's Thesis, so the main results are a working set of hardware and software tools for logging and processing data, and a list of the future work needed.

Place, publisher, year, edition, pages
Keyword [en]
Technology, GPS, positioning, satellite, navigation, differential GPS, GNSS, Global Navigation Satellite Systems
Keyword [sv]
URN: urn:nbn:se:ltu:diva-58108ISRN: LTU-EX--06/121--SELocal ID: eb092519-bb8d-4220-8edd-9526701a1736OAI: diva2:1031496
Subject / course
Student thesis, at least 30 credits
Educational program
Space Engineering, master's level
Validerat; 20101217 (root)Available from: 2016-10-04 Created: 2016-10-04Bibliographically approved

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