A Robust Scheme for Energy Aware Data Collection for Wireless Sensor Networks
I K. M. Ramya · 2014
In Wireless Sensor Networks, directly sending large amount of data to the sink node may cause several problems. So, the data collection is a basic task in wireless sensor network. Certain application needs approximate data collection. In this paper, we focus on to collect a data approximately and efficiently with limited energy. So, we propose a technique called ADC (Approximate Data Collection). It divides a sensor network into cluster and determines data association on each cluster head. It performs global approximate data collection on the sink node according to model parameters uploaded by cluster heads. It can be formulate the problem of selecting the minimum subset of sensor nodes. In particular, we propose an OLSR Routing Protocol to minimize the overhead from flooding of control traffic by using only selected nodes, called MPRs to retransmit control messages. This technique significantly reduces the number of retransmissions required to flood a message to all nodes in the network. The proposed technique is adaptive to environment changes. It is more efficient and reduces the amount of message transmission when compared to existing techniques.