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ACCURATE INDOOR POSITION ESTIMATION TECHNIQUE USING FINGERPRINTING AND LATERATION-BASED APPROACH IN BLUETOOTH TECHNOLOGY

SUBHAN, FAZLI (2012) ACCURATE INDOOR POSITION ESTIMATION TECHNIQUE USING FINGERPRINTING AND LATERATION-BASED APPROACH IN BLUETOOTH TECHNOLOGY. PhD thesis, UNIVERSITI TEKNOLOGI PETRONAS.

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Abstract

The first part consists of experimental analysis of Bluetooth signal parameters in order to select the best suitable parameter for position estimation. This part also presents a comprehensive experimental analysis to observe the relationship between signal parameters and distance, so that the main source of distance estimation error can be identified. After selecting the best suitable parameter for position estimation, the next issue is to address the distance estimation error and identify its causes. This is handled in the second part of the thesis, which addresses the problem of communication holes. It presents an extended Gradient RSS predictor and filter, which is used to predict and filter RSS measurements in communication holes. The prediction and filtering process is based on the selected signal parameter based on our experimental observations. The refined output measurements are then given to the position estimation algorithm, which is handled in the third part of thesis. The third part of this thesis presents a new filter based hybrid position estimation technique, which integrates the features of fingerprinting and lateration approach. The novel approach used in the proposed hybrid approach is the use of Euclidian distance formula for distance estimation instead of propagation model. Simulation and experimental results validate the performance of proposed hybrid technique and improve the accuracy up to 53.64 % and 25.58 % compared to Lateration and fingerprinting approach, respectively. In summary, this thesis presents a complete framework for indoor position estimation using Bluetooth networks.

Item Type: Thesis (PhD)
Subject: UNSPECIFIED
Divisions: UNSPECIFIED
Depositing User: Users 6 not found.
Date Deposited: 30 Jul 2012 14:28
Last Modified: 25 Jan 2017 09:40
URI: http://utpedia.utp.edu.my/id/eprint/3322

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