Indoor Positioning Using the Modified Fingerprint Technique

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Provided by: The International Journal of Innovative Research in Computer and Communication Engineering
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Location Based Services (LBS) allow obtaining information about the Mobile Device (MD) in relation to references on a predefined space. The Wi-Fi positioning systems available for enclosed spaces use the existing network infrastructure to calculate the position of the Mobile Device (MD). The most commonly used parameter is RSSI (Received Signal Strength Indicator). In this paper, the authors analyze the Fingerprint technique considering some variations aimed at improving the accuracy of the technique and minimizing calculation time. Significant field work is carried out, analyzing the accuracy achieved with each technique.
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