R. Nicole

Pedestrian Navigation in Difficult Environments: Results of the ESA Project SHADE

P. Branco, B. Ott, E. Wasle, 2005 .

Experimental results from an ultra-tightly coupled GPS/Galileo/WiFi/ZigBee/MEMS-IMU indoor navigation test system featuring coherent integration times of several seconds

Bernd Eissfeller, Robert Schweikert, Thomas Pany, 2010, 2010 5th ESA Workshop on Satellite Navigation Technologies and European Workshop on GNSS Signals and Signal Processing (NAVITEC).