An Adaptive Data Aggregation Algorithm in Wireless Sensor Network With Bursty Source

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Executive Summary

The Wireless Sensor network is distributed event based systems that differ from conventional communication network. Sensor network has severe energy constraints, redundant low data rate, and many-to-one flows. Aggregation is a technique to avoid redundant information to save energy and other resources. There are two types of aggregations. In one of the aggregation many sensor data are embedded into single packet, thus avoiding the unnecessary packet headers, this is called lossless aggregation. In the second case the sensor data goes under statistical process (average, maximum, minimum) and results are communicated to the base station, this is called lossy aggregation, because the authors cannot recover the original sensor data from the received aggregated packet.

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