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ISRN Sensor NetworksVolume 2013 2013, Article ID 941489, 12 pages

Research ArticleElectrical Engineering Department, Veermata Jijabai Technological Institute, Matunga, Mumbai 400019, India

Received 16 July 2013; Accepted 18 August 2013

Academic Editors: Y.-C. Wang and Y. Yu

Copyright © 2013 R. N. Duche and N. P. Sarwade. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Wireless sensor networks WSNs with efficient and accurate design to increase the quality of service QoS have become a hot area of research. Implementing the efficient and accurate WSNs requires deployment of the large numbers of portable sensor nodes in the field. The quality of service of such networks is affected by lifetime and failure of sensor node. In order to improve the quality of service, the data from faulty sensor nodes has to be ignored or discarded in the decision-making process. Hence, detection of faulty sensor node is of prime importance. In the proposed method, discrete round trip paths RTPs are compared on the basis of round trip delay RTD time to detect the faulty sensor node. RTD protocol is implemented in NS2 software. WSNs with circular topology are simulated to determine the RTD time of discrete RTPs. Scalability of the proposed method is verified by simulating the WSNs with various sensor nodes.

Autor: R. N. Duche and N. P. Sarwade

Fuente: https://www.hindawi.com/


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