Implementación y evaluación de un sistema de navegación cinética satelital en tiempo real empleando hardware de bajo costo

Abstract

In this degree work, a low-cost real-time kinetic navigation system (GNSS RTK) was implemented and evaluated. For this, simpleRTK2B Lite development boards and XBee wireless communication modules were used. Initially, the operation, synchronisation and communication of each module configured as base and rover was learned and verified. The evaluation of the system was performed by calculating statistical parame- ters such as RMS, 2DRMS, SEP, CEP and MRSE, using the geodetic network of the city of Cuenca, in the province of Azuay, Ecuador, as a test scenario. A total of 8 points distributed in 4 locations in the city were measured, representing diverse geographical scenarios and taking advantage of the varied topography of the city, with altitudes between approximately 2500 masl and 3500 masl. These locations included both busy urban and rural environments. The results demonstrated that the implemented RTK system can achieve accurate measurements of less than 25 cm and, in some cases, less than 2 cm in practical environments, using low-cost components. In addition, a cost comparison was made with commercial geodetic grade equipment. This study contributes to the development of affordable solutions for real-time geolocation and navigation applications, especially in regions with complex geographical conditions.