In Network Aggregation Techniques And Data Management In Wireless Sensor Networks: A Survey
The nodes of wireless sensor networks (WSN) have a limited energy supply and limited bandwidth available.
Energy-efficient data gathering is a common but critical operation in wireless sensor. Data aggregation can effectively
reduce the data traffic, thereby reduce energy consumption, and can extend the network's life time. The design of efficient
data aggregation algorithm is a challenging task. The aim is to minimize redundancy from the raw data captured by the
sensors, minimizing the number of transmissions to the sink and thus saving energy. In-network data aggregation plays an
important role to reduce the transmitting energy and data redundancy in large scale sensor networks In this paper, we
identify various in network aggregation techniques, data management techniques and complexities in regard to space and
time requirements in different sensor networks.
Keywords— WSN,Sink,Data aggregation ,Senor nodes.