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An Energy-Efficient Routing Scheme in Wireless Sensor Networks for Life Time Maximization Using Fuzzy Based Decision
N. Srinivas Rao and K.V.S.N. Rama Rao

Due to rapid growth in digital communication systems, Wireless Sensor Networks (WSNs) play a major part in various real-time applications. WSNs can easily configure by itself to send the data to the base station with minimal effort. WSNs can be generally used to monitor environmental conditions in a real-time environment such as temperature and humidity monitoring in thermal plants, etc. Generally, WSNs can send the sensed data to the base station using a packed frame in binary format. Routing is one of the very important processes in WSNs to configure the network by itself for efficient and fast data transmission. In this paper, a new approach is proposed as energy efficient routing scheme to achieve maximum performance and to improve the network lifetime (EER-FUZZY). Initial clustering is performed based on the fuzzy c-means clustering (FCM) techniques. A fuzzy-based decision technique is proposed to make the decision based on various parameters such as energy, distance, and priority. The proposed technique is evaluated with a various number of Cluster Head (CH) and users. From the evaluation results, it is found that proposed techniques giving better performance when compared to the conventional energy-based routing techniques. We have achieved an average of 7% alive nodes and 10% of reduction in dead nodes.

Keywords: Wireless Sensor Networks, Digital Communication, Energy Efficient Routing, Network Lifetime, Fuzzy C-Means clustering, Fuzzy Based Decision, Cluster Head