A review of RFID localization: Applications and techniques
Localization and map-building of mobile robot based on RFID sensor fusion system
A battery-free RFID-based indoor acoustic localization platform
Using smart-phones and floor plans for indoor location tracking
Utilizing RFID Signaling Scheme for Localization of Stationary Objects and Speed Estimation of Mobile Objects
Hybrid analog-digital backscatter: A new approach for battery-free sensing