FLEXOR: A Flexible Localization Scheme Based on RFID
There are many localization schemes used for the indoor or outdoor applications, such as the GPS, RADAR etc. However, the accuracy of indoor localization scheme is easy to be influenced because of the obstacles and the environment interference. LANDMARC which is proposed by Lionel et al. uses the RFID tags to reduce the influence of the interference. This paper proposes an improved localization scheme, FLEXOR, which divides the localization area into cells to reduce computational overhead and provide two localization modes: region mode and coordinate mode. In the performance evaluations, FLEXOR has been proved to have the advantages of fast localization, flexibility, and it also provides the high localization accuracy as LANDMARC.
KeywordsLocalization Area Power Level Localization Error Localization Accuracy Localization Service
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- 3.Bahl, P., Padmanabhan, V.N.: RADAR: An in-building RF-based user location and tracking system. In: Proceedings of IEEE INFOCOM, vol. 2, pp. 775–784 (2000)Google Scholar
- 4.Ni, L.M., Liu, Y., Lau, Y.C., Patil, A.P.: LANDMARC: indoor location sensing using active RFID. Pervasive Computing and Communications, 407–415 (2003)Google Scholar
- 6.Fukuju, Y., Minami, M., Morikawa, H., Aoyama, T.: DOLPHIN: an autonomous indoor positioning system in ubiquitous computing environment. Software Technologies for Future Embedded Systems, 53–56 (2003)Google Scholar
- 7.Hahnel, D., Burgard, W., Fox, D., Fishkin, K., Philipose, M.: Mapping and localization with RFID technology. In: IEEE International Conference on Robitics and Automation, vol. 1, pp. 1015–1020 (2004)Google Scholar
- 8.Philipose, M., Smith, J.R., Jiang, B., Mamishev, A., Roy, S., Sundara-Rajan, K.: Battery-free wireless identification and sensing, Pervasive Computing. IEEE 4(1), 37–45 (2005)Google Scholar
- 9.Hightower, J., Vakili, C., Borriello, G., Want, R.: Design and Calibration of the SpotON Ad-Hoc Location Sensing System, CSE, University of Washington, Seattle, WA, pp. 1–18 (August 2001), http://portolano.cs.washington.edu/projects/spoton/