Wireless Communications: Principles and Practice
Wireless Communications: Principles and Practice
LANDMARC: Indoor Location Sensing Using Active RFID
PERCOM '03 Proceedings of the First IEEE International Conference on Pervasive Computing and Communications
An Indoor Localization Mechanism Using Active RFID Tag
SUTC '06 Proceedings of the IEEE International Conference on Sensor Networks, Ubiquitous, and Trustworthy Computing -Vol 1 (SUTC'06) - Volume 01
A Flexible Privacy-Enhanced Location-Based Services System Framework and Practice
IEEE Transactions on Mobile Computing
Using active and passive RFID technology to support indoor location-aware systems
IEEE Transactions on Consumer Electronics
A TDOA location scheme in OFDM based WMANs
IEEE Transactions on Consumer Electronics
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The widespread popularization of ubiquitous devices promotes fervent demands for location-based services (LBS). This paper technically proposes a methodology named virtual reference based positioning (VRBP) for the location positioning, which models the RFID positioning systems with virtual reference tags and constructs such information with a classical radio propagation model in order to enhance positioning accuracy. Instead of deploying a high density of RFID tags, the notion of VRBP decreases the possibility of signal interference. Furthermore, we propose the VT-LANDMARC, a tracking algorithm which applies the VRBP and manifests a superior performance over the original LANDMARC in positioning accuracy. Besides these advantages, with the help of the VRBP, the VT-LANDMARC ameliorates the defect in original LANDMARC that the location error may increase significantly in the margin area. And the VRBP methodology offers a practical solution for the location estimation with a scarce density of reference tags.