An Estimation Algorithm for Missing Data in Wireless Sensor Networks

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Provided by: International Journal on Smart Sensing and Intelligent Systems
Topic: Networking
Format: PDF
In recent years, as a typical application of pervasive computing ideas, Wireless Sensor Network (WSN) combines the logical information world with the objective physical one to address the data sources through pouring more data into the information world. For estimating the missing data of wireless sensor networks, an estimation algorithm called HD method, which can make use of sensoring space-time correlation of the data, was proposed based on mathematical Hermite and DESM statistical models. The algorithm not only can adaptively adjust the time and space weights, but also can accurately estimate the missing or unavailable data. The experimental results show that the algorithm has good stability and relatively high estimation accuracy.
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