Pseudorange-Based IR-UWB Localization

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21230%2F23%3A00369216" target="_blank" >RIV/68407700:21230/23:00369216 - isvavai.cz</a>

Výsledek na webu

<a href="https://doi.org/10.33012/2023.19203" target="_blank" >https://doi.org/10.33012/2023.19203</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.33012/2023.19203" target="_blank" >10.33012/2023.19203</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Pseudorange-Based IR-UWB Localization

Popis výsledku v původním jazyce

The application of the impulse-radio ultra-wide band technology is already established in indoor localization. Usually, two-way ranging (TWR) or time-difference of arrival (TDoA) approaches are utilized. In this paper it is shown that it is possible to perform time of arrival (ToA) positioning with accuracy similar to the TDoA. The ToA method estimates the bias between the clocks of the anchors (fixed infrastructure nodes) and the tag (localized user equipment). As a direct consequence, any timestamps taken by the tag may be converted to the common system timescale with accuracy of several nanoseconds. The approach is verified by real measurements. We demonstrate that the positioning solution can be obtained by least-squares optimization on epoch-by-epoch basis. We also show that the extended Kalman filter can be used to estimate tag position along with the bias and drift of its clock.

Název v anglickém jazyce

Pseudorange-Based IR-UWB Localization

Popis výsledku anglicky

The application of the impulse-radio ultra-wide band technology is already established in indoor localization. Usually, two-way ranging (TWR) or time-difference of arrival (TDoA) approaches are utilized. In this paper it is shown that it is possible to perform time of arrival (ToA) positioning with accuracy similar to the TDoA. The ToA method estimates the bias between the clocks of the anchors (fixed infrastructure nodes) and the tag (localized user equipment). As a direct consequence, any timestamps taken by the tag may be converted to the common system timescale with accuracy of several nanoseconds. The approach is verified by real measurements. We demonstrate that the positioning solution can be obtained by least-squares optimization on epoch-by-epoch basis. We also show that the extended Kalman filter can be used to estimate tag position along with the bias and drift of its clock.

Druh

D - Stať ve sborníku

CEP obor

—

OECD FORD obor

20201 - Electrical and electronic engineering

Projekt

—

Návaznosti

S - Specificky vyzkum na vysokych skolach

Rok uplatnění

2023

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název statě ve sborníku

Proceedings of the 36th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS+ 2023)

ISBN

978-0-936406-35-0

ISSN

2331-5954

e-ISSN

2331-5954

Počet stran výsledku

12

Strana od-do

1621-1632

Název nakladatele

The Institute of Navigation (ION)

Místo vydání

Manassas, VA

Místo konání akce

Denver, Colorado

Datum konání akce

11. 9. 2023

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

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