A Validation of Localisation Accuracy Improvements by the Combined Use of GPS and GLONASS

摘要

For autonomous navigation in outdoor environments, robust and reliable positioning is an indispensable prerequisite. Looking at unstructured or a priori unknown surroundings the use of global navigation satellite systems (GNSS) is a reasonable approach [1]. The Global Positioning System (GPS) is definitely the most popular GNSS. There are several efforts to build competing GNSS, from which only the Russian GLONASS is nearly operational. Nowadays, even recreation-grade GPS receivers often achieve an accuracy of less than 10m.