• Mayurika JB

Advancement in wireless sensor networks technology enables a wide range of applications such as health care, industrial automation, ambient conditions monitoring and security and defense systems. WSNs designers are facing many challenges in meeting application requirements e.g. reliability, fault tolerance, lifetime, throughput and responsiveness etc as application requirements and environmental conditions change over time. Failure of WSN may result catastrophic consequences like loss of life in the case of health care application and major disasters in the case of defense systems. Design of reliable wireless sensor network (WSN) need to address the failure of single or multiple network components and implementation of the techniques to tolerate the faults occurred at various levels. The issues and requirements of reliability improvement mechanism depend on the available resources and application for which the WSN is deployed. This paper discusses the different modeling approaches to evaluate the reliability and classification of the approaches to improve it. Also the paper analyzes reliability enhancement by existing fault tolerant methods in WSN and compares the performance of these techniques with the technique we developed.

Component Reliability Modeling, Reliability Measure, WSNs, BS, QoS, GPS.

"Modeling and Enhancing Reliability of Wireless Sensor Network – A Review", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.2, Issue 12, page no.206-212, December 2015, Available :http://www.jetir.org/papers/JETIR1701035.pdf

"Modeling and Enhancing Reliability of Wireless Sensor Network – A Review", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.2, Issue 12, page no. pp206-212, December 2015, Available at : http://www.jetir.org/papers/JETIR1701035.pdf