Data Aggregation Techniques in Wireless Sensor Network: A Survey

Data aggregation is essential for the efficient operation of wireless sensor network. Data aggregation has been widely recognized as an efficient method to reduce energy consumption by reducing the number of packets sent. In this paper a comprehensive review of the existing data aggregation techniques in wireless sensor network have been presented. Suitable criterias have been defined to classify existing solutions. In this paper several open issues have been identified and discussed which propose directions for future research in this area.