A master thesis from Aalborg University
ToA Path Estimation for Indoor Positioning Using MUSIC algorithm for Time Resolution Enhancement
Author(s)
Term
4. term
Education
Publication year
2017
Submitted on
2017-06-07
Pages
81 pages
Abstract
Due to the increasing demand for indoor positioning or navigation systems this thesis investigates the possibilities of creating an indoor positioning system using a combination of ToA and the MUSIC algorithm for increased time resolution. The characteristics of the wireless transmission channel are investigated as these can be used for creating end evaluating an indoor positioning system. A model describing a ToA system is developed. Simulations of this model was made in order to evaluate the impact of different wireless characteristics, especially the ToA between different reflected signal paths and the improvements made by the MUSIC algorithm. Measurements were made to evaluate the performance of the MUSIC algorithm on a wireless channel in LOS and NLOS scenarios. Test results shows a significant improvement by using a combination of ToA and the MUSIC algorithm compared with a traditional ToA positioning system.
Keywords
Documents
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