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Röhrig, Christof, Heß, Daniel & Künemund, Frank 2015. constrained Kalman filtering for indoor localization of transport vehicles using floor-installed HF RFID transponders. In 2015 IEEE international conference on RFID (RFID 2015) : San Diego, California, USA, April 15-17, 2015. Piscataway, NJ: IEEE, 113-120.