Geometric sensitivity of beacon placement using airborne mobile anchors

Izanoordina Ahmad

Abstract


Locating fixed sensing devices with a mobile anchor is attractive for covering larger deployment areas. However, the performance sensitivity to the geometric arrangement of anchor beacon positions remains unexplored. Therefore, localization using new RSSI-based localization algorithm, which uses a volumetric probability distribution function is proposed to find the most likely position of a node by information fusion from several mobile beacon radio packets to reduce error over deterministic approaches. This paper presents the guidelines of beacon selection that leads to design the most suitable trajectory, as a trade-off between the energy costs of travelling and transmitting the beacons versus the localization accuracy.


Keywords


3-D geometry; Beacon arrangement; Height; Localization; Probabilistic multilateration; Wireless Sensor Networks

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