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A short survey for WSN localization & location systems. Localization category. Range-based RSSI, TOA, TDOA, AOA Range-free DV-hop (DV-distance, Euclidean, DV-coordinate, DV-Bearing, DV-Radial), Convex, MDS-MAP. Convex. DV-hop. Experiments. Crickets(MIT, TDOA) Accuracy: 1m.
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Localization category • Range-based • RSSI, TOA, TDOA, AOA • Range-free • DV-hop (DV-distance, Euclidean, DV-coordinate, DV-Bearing, DV-Radial), Convex, MDS-MAP
Experiments • Crickets(MIT, TDOA) • Accuracy: 1m
Experiments(cont.) • Active Badge & Active Bat (AT&T) • Active Badge: Infrared • Active Bat: Ultrasound
Experiments(cont.) • MoteTrack (Harvard, Convex) • Accuracy: 1m~1.7m
Experiments (cont.) • MIT: Smart Floor (video)
Experiments (cont.) • Others: • RADAR, MotionStar magnetic tracker, Easy Living • Smart Floor, E911, SpotON, Wireless Andrew,
Others: Mobile Phone Localization • GSM cell Tech. (accuracy 200m) • A-GPS (outdoor, accuracy 10m)