Abstract
Over the years, precise positioning has been the ultimate goal for Satellite Navigation Systems. The American Global Navigation Satellite System deliver the position and time information intended for various sectors such as vehicle tracking, oil exploration, atmospheric studies, astronomical telescope pointing, airport and harbor security tracking etc. Corresponding technological competitors such as Russian Global Navigation Satellite System (GLONASS), European Union’s GALILEO, China’s BeiDou and Japanese Quasi Zenith Satellite System (QZSS) are few other versions of Satellite based Augmentation Systems. Nevertheless, stern security measures, geographical statistics and stimulation of diverse Electronic Gadgets at indoor/outdoor surroundings make it critical to acquire data about any vicinity with seamless accessibility, accuracy and integrity with satellite links. In this paper, positional accuracy has been tested with analysis of EGNOS, EDAS and simple GPS receiver models at Rome City, Italy. To support results, various real time experiments/tests has been performed with GPS Receiver SIRF Demo software. The test was conducted on-board a car by installing a laptop equipped with GPS Receiver plus supportive SBAS (EGNOS particularly) through three diverse bus routes of locality and outcomes of few tested samples inside the Rome City center are specified to check the availability of desired satellite signals. Subsequently, comparative analysis has been executed between the simple GPS data received and GPS + EGNOS data collected during daytime traffic. The strength of test signals reveals accuracy of EGNOS in open terrain area with less congestion. Furthermore, Asian and European Advanced GPS systems are compared in terms of performance as well as feasibility of authentic, accurate and swift satellite navigation systems.
Highlights
In Satellite Communication, Road Vehicle Navigation Systems has emerged potential technology in the domain of Intelligent Transport Systems
The broadcasting of integrity messages and differential corrections of satellites has been accomplished with current GNSS setup; integrates by means of network of reference stations positioned across the globe having different names of Satellite Based Augmentation System (SBAS) in diverse constitutions (SBAS intensifies and stabilize the GNSS deployment) [11]
It has been evident in several FP7/ESA projects that EGNOS is capable enough to uplift the accuracy of GPS receiver in highways
Summary
In Satellite Communication, Road Vehicle Navigation Systems has emerged potential technology in the domain of Intelligent Transport Systems. Numerous road applications such as traveler information, automatic emergency calls, route guidance, freight management, advanced driver assistance or electronic fee collection involve On-Board Equipment (OBE) capable of offering highly accurate location obtainable at low cost. To acquire the positional accuracy and integrity with Global Positioning System, EGNOS (European Geostationary Navigation Overlay Service) has been assimilated in European territory; distinctive package as it generates warning messages in case.
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