|Start:||01 January 2010|
|End:||31 December 2011|
|Department:||Geodesy and Navigation (GEON)|
Taking benefit of the new Galileo ranging signals, the ENCORE project aims to develop a low-cost Land Management Application to cover the following needs of the Brazilian market:
The proposed land management application will cover these Brazil’s needs in terms of geo-referencing and cadastre planning, using a low-cost Enhanced Galileo Code Receiver as baseline. As an example, it will solve the problem of land regularization at the Legal Amazon area of Brazil, enabling a large scale surveying service.
In current GNSS terminals, there is a gap in terms of performances, receiver complexity and price between mass-market and professional devices. Accuracies up to 5-meter are achieved in mass-market GNSS terminals using pseudorange observables. In professional receivers, with high precision requirements, carrier phase measurements are also processed to output the user position with errors below one decimetre, at a cost of higher complexity, price and operational requirements.
Land management applications require precision and accuracy levels from a few to several decimetres that are under-met with current pseudorange-based receiver and over-met with phase observations. This situation leads either in a waste of resources (equipment, time, over-qualified staff), or in lack of accuracy. In this project, it is proposed to fill this gap using the new possibilities of the Galileo ranging signals, in particular E5 AltBOC and L1 MBOC. The Enhanced Galileo Code receiver will use them to generate the best possible pseudorange measurements, which are the inputs of the positioning algorithms. This approach reduces the cost of the end-user device, helping the rapid penetration of Galileo technology outside Europe.