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Hybrid Observer for Indoor Localization with Random Time-of-Arrival Measurments

  • Autori: Alonge, Francesco; D'Ippolito, Filippo; Garraffa, Giovanni; Sferlazza, Antonino
  • Anno di pubblicazione: 2018
  • Tipologia: Contributo in atti di convegno pubblicato in volume
  • OA Link:


In this work an indoor position estimation algorithm will be proposed. The position will be measured by means of a sensor network composed by fixed beacons placed on the indoor environment and a mobile beacon mounted on the object to be tracked. The mobile beacon communicates with all the fixed beacons by means of ultra wide-band signals, and the distance between them is computed by means of time of flight techniques. Moreover, inertial measurements will be used when the position measurements are not available. Two main problems will be considered in the proposed architecture: the fact that the beacons work with a lower update rate than the IMU, and that the mobile beacon can comunicate with only one fixed beacon at a time. Experimental results will be shown in order to validate the effectiveness of the proposed technique.