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Background and Recent Advances in the Locata Terrestrial Positioning and Timing Technology

by 1 and 2,*
1
School of Civil and Environmental Engineering, University of New South Wales, Sydney 2052, Australia
2
College of Surveying and Geo-Informatics, Tongji University, Shanghai 200092, China
*
Author to whom correspondence should be addressed.
Sensors 2019, 19(8), 1821; https://doi.org/10.3390/s19081821
Received: 10 March 2019 / Revised: 9 April 2019 / Accepted: 14 April 2019 / Published: 16 April 2019
(This article belongs to the Collection Positioning and Navigation)
Global Navigation Satellite System (GNSS) is the most widely used Positioning, Navigation, and Timing (PNT) technology in the world today, but it suffers some major constraints. Locata is a terrestrial PNT technology that can be considered as a type of localised “constellation”, which is able to provide high-accuracy PNT coverage where GNSS cannot be used. This paper presents a comprehensive literature review of the Locata technology and its applications. It seeks to answer questions, such as: (1) What is Locata and how does it work? (2) What makes Locata unique compared with other terrestrial positioning systems? (3) How has Locata been used in different applications for accurate PNT? (4) What are the current challenging issues that may restrict its further adoption for custom-grade navigation in urban environments? View Full-Text
Keywords: Locata; PNT; terrestrial constellation Locata; PNT; terrestrial constellation
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MDPI and ACS Style

Rizos, C.; Yang, L. Background and Recent Advances in the Locata Terrestrial Positioning and Timing Technology. Sensors 2019, 19, 1821.

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