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Practical result of wireless indoor position estimation by using hybrid TDOA/RSS algorithm

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8 Author(s)
S. Tiwari ; Department Electrical and Computer Engineering, University of Calgary, Canada ; R. Darraji ; S. A. Bassam ; A. Kwan
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Location Determination in an indoor environment is a challenge that faces the wireless industry. The concept of indoor geolocation was established in order to provide the user's location inside buildings during an emergency where GNSS services are not effective. Keeping public safety in mind, it is not only important to estimate the position, but also to provide a high level of reliability. The paper presents practical results and issues related to the accuracy of an indoor geolocation system which uses a WCDMA signal at a 2.45 GHz carrier frequency. The experiment employs a hybrid TDOA/RSS algorithm and a TDOA only algorithm. Practical results indicate that the performance is improved by using hybrid TDOA/RSS algorithm as compared to TDOA alone.

Published in:

Electrical and Computer Engineering (CCECE), 2010 23rd Canadian Conference on

Date of Conference:

2-5 May 2010