Target Localization in Wireless Sensor Networks Based on Received Signal Strength

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Provided by: Academy & Industry Research Collaboration Center
Topic: Networking
Format: PDF
In this paper, the authors consider the problem of localizing a target taking the help of a set of anchor beacon nodes. A small number of beacon nodes are deployed at known locations in the area. The target can detect a beacon provided it happens to lie within the beacon's transmission range. Thus, the target obtains a measurement vector containing the readings of the corresponding to a beacon if it is able to detect the target and '0' if the beacon is not able to detect the target. This paper is to twofold: to determine the location of the target based on the binary measurement vector at the target; and to study the behavior of the localization uncertainty as a function of the beacon transmission range (sensing radius) and the number of beacons deployed.
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