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First Application of Locata Positioning Technology in Croatia (CROSBI ID 635819)

Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija

Grgac, Igor ; Novaković, Gorana ; Ilijaš, Robert First Application of Locata Positioning Technology in Croatia // Proceedings of the International Symposiun on Engineering Geodesy - SIG 2016 / Paar, Rinaldo ; Marendić, Ante ; Zrinjski, Mladen (ur.). Varaždin: Hrvatski geološki institut, 2016. str. 451-463

Podaci o odgovornosti

Grgac, Igor ; Novaković, Gorana ; Ilijaš, Robert

engleski

First Application of Locata Positioning Technology in Croatia

It is well known that the Global Navigation Satellite Systems (GNSS) in a specific environment has its limitations, or cannot be applied. To overcome these difficulty many researches were conducted to complement GNSS with other positioning technologies. One of the solutions is the application of pseudolites, ground-based GPS-like signal transmitters, but this technology has also its limitations. In 2003 Locata Corporation (Australia) began with the development of a new, completely independent technology called Locata, which was designed to overcome the limitations of GNSS and other pseudolite-based positioning systems. Locata technology relies on the network of synchronized ground-based transceivers (LocataLites) that transmit positioning signals that can be tracked by user receivers (Locata). LocataLites form a network (LocataNet) that functions as “local ground-based replica” of GNSS-style positioning. The key innovation of the Locata technology is the time synchronization procedure called TimeLoc. Therefore, there is no need for base station and the connection for data transfer from the base to the mobile receiver. Locata is not a substitute for GNSS. It can be easily combined with GNSS, or can be used as an independent measuring system, where the GNSS is unavailable or unreliable. Within the project “Wearable outdoor augmented reality system for enrichment of touristic content” (funded by European Union and co-founded by Polytechnic of Međimurje in Čakovec, company Infigo IS ltd. and Republic of Croatia), for the first time Locata equipment was acquired and implemented in Croatia. This paper describes a brief overview of the core components of Locata technology, and its first field testing at the Polytechnic of Međimurje in Čakovec backyard. Locata is the key part of the project because augmented reality system requires real time 3D positioning with cm-level precision. To meet those conditions, simulation of different configurations was conducted before establishing LocataNet. After first successful running of LocataNet, precision of static positioning was tested.

Locata technology ; LocataNet simulation ; LocataNet testing

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Podaci o prilogu

451-463.

2016.

objavljeno

Podaci o matičnoj publikaciji

Proceedings of the International Symposiun on Engineering Geodesy - SIG 2016

Paar, Rinaldo ; Marendić, Ante ; Zrinjski, Mladen

Varaždin: Hrvatski geološki institut

978-953-59018-0-8

Podaci o skupu

International Symposiun on Engineering Geodesy - SIG 2016

predavanje

20.05.2016-22.05.2016

Varaždin, Hrvatska

Povezanost rada

Geodezija