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Open AccessArticle

Comparison of Global Navigation Satellite System Devices on Speed Tracking in Road (Tran)SPORT Applications

by 1,2,* and 1
1
Department of Biomechanics, Faculty of Sport, University of Ljubljana, Ljubljana 1000, Slovenia
2
Faculty of Mathematics, Natural Sciences and Information Technologies, University of Primorska, Koper 6000, Slovenia
*
Author to whom correspondence should be addressed.
Sensors 2014, 14(12), 23490-23508; https://doi.org/10.3390/s141223490
Received: 15 September 2014 / Revised: 24 November 2014 / Accepted: 28 November 2014 / Published: 8 December 2014
(This article belongs to the Special Issue Positioning and Tracking Sensors and Technologies in Road Transport)
Global Navigation Satellite Systems (GNSS) are, in addition to being most widely used vehicle navigation method, becoming popular in sport-related tests. There is a lack of knowledge regarding tracking speed using GNSS, therefore the aims of this study were to examine under dynamic conditions: (1) how accurate technologically different GNSS measure speed and (2) how large is latency in speed measurements in real time applications. Five GNSSs were tested. They were fixed to a car’s roof-rack: a smart phone, a wrist watch, a handheld device, a professional system for testing vehicles and a high-end Real Time Kinematics (RTK) GNSS. The speed data were recorded and analyzed during rapid acceleration and deceleration as well as at steady speed. The study produced four main findings. Higher frequency and high quality GNSS receivers track speed at least at comparable accuracy to a vehicle speedometer. All GNSS systems measured maximum speed and movement at a constant speed well. Acceleration and deceleration have different level of error at different speeds. Low cost GNSS receivers operating at 1 Hz sampling rate had high latency (up to 2.16 s) and are not appropriate for tracking speed in real time, especially during dynamic movements. View Full-Text
Keywords: Global Positioning System; measuring devices; sport; vehicle; velocity Global Positioning System; measuring devices; sport; vehicle; velocity
MDPI and ACS Style

Supej, M.; Čuk, I. Comparison of Global Navigation Satellite System Devices on Speed Tracking in Road (Tran)SPORT Applications. Sensors 2014, 14, 23490-23508. https://doi.org/10.3390/s141223490

AMA Style

Supej M, Čuk I. Comparison of Global Navigation Satellite System Devices on Speed Tracking in Road (Tran)SPORT Applications. Sensors. 2014; 14(12):23490-23508. https://doi.org/10.3390/s141223490

Chicago/Turabian Style

Supej, Matej; Čuk, Ivan. 2014. "Comparison of Global Navigation Satellite System Devices on Speed Tracking in Road (Tran)SPORT Applications" Sensors 14, no. 12: 23490-23508. https://doi.org/10.3390/s141223490

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