Mobility

Using Wi-Fi Signal Strength to Localize in Wireless Sensor Networks

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Executive Summary

Wireless Sensor Network (WSN) is widely used in many applications such as localization and real-time tracking system. Previous researches commonly suffer the Line-Of-Sight (LOS) problem and dependence on contrast of the background light intensity. Location Fingerprinting (LF) method uses a training dataset of Received Signal Strength (RSS) at different location to track the target. The drawbacks of LF method are needed to have extensive training dataset surveying and highly affected by the changing of internal building infrastructure. In this paper, a sensor-based LF method will be implemented to replace extensive site-surveying.

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