<abstract xmlns="http://www.w3.org/1999/xhtml"><p>There is a currently developed system of a transmitter indoor localization intended for fire fighters or members of rescue corps. In this system the transmitter of an ultra-wideband orthogonal frequency-division multiplexing signal position is determined by the time difference of arrival method. The position measurement accuracy highly depends on the directpath signal time of arrival estimation accuracy which is degraded by severe multipath in complicated environments such as buildings. The aim of this article is to assess errors in the direct-path signal time of arrival determination caused by multipath signal propagation and noise. Two methods of the direct-path signal time of arrival estimation are compared here: the cross correlation method and the spectral estimation method.</p></abstract>

There is a currently developed system of a transmitter indoor localization intended for fire fighters or members of rescue corps. In this system the transmitter of an ultra-wideband orthogonal frequency-division multiplexing signal position is determined by the time difference of arrival method. The position measurement accuracy highly depends on the directpath signal time of arrival estimation accuracy which is degraded by severe multipath in complicated environments such as buildings. The aim of this article is to assess errors in the direct-path signal time of arrival determination caused by multipath signal propagation and noise. Two methods of the direct-path signal time of arrival estimation are compared here: the cross correlation method and the spectral estimation method.

Pseudorange error analysis for precise indoor positioning system

Journal of Electrical Engineering

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"Pseudorange error analysis for precise indoor positioning system"}

There is a currently developed system of a transmitter indoor localization intended for fire fighters or members of rescue corps. In this system the...

Pseudorange error analysis for precise indoor positioning system

Data publikacji: 06 lip 2017

Zakres stron: 206 - 211

Otrzymano: 16 gru 2016

DOI: https://doi.org/10.1515/jee-2017-0030

Słowa kluczowe
ultra-wideband (UWB), time difference of arrival (TDOA), orthogonal frequency-division multiplexing (OFDM), Cramer-Rao bound (CRB), cross-correlation function (CCF)

© 2017 Faculty of Electrical Engineering and Information Technology, Slovak University of Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Pseudorange error analysis for precise indoor positioning system

Data publikacji: 06 lip 2017

Zakres stron: 206 - 211

Otrzymano: 16 gru 2016

DOI: https://doi.org/10.1515/jee-2017-0030

Słowa kluczoweultra-wideband (UWB), time difference of arrival (TDOA), orthogonal frequency-division multiplexing (OFDM), Cramer-Rao bound (CRB), cross-correlation function (CCF)

© 2017 Faculty of Electrical Engineering and Information Technology, Slovak University of Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Słowa kluczowe
ultra-wideband (UWB), time difference of arrival (TDOA), orthogonal frequency-division multiplexing (OFDM), Cramer-Rao bound (CRB), cross-correlation function (CCF)