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NEXGEN TECHNOLOGY
FINAL YEAR IEEE PROJECTS TITLES 2015-2016
CONTACT: PRAVEEN KUMAR. L (+91 – 9751442511, +91 – 9791938249)
MAIL ID: sunsid1989@gmail.com, praveen@nexgenproject.com
web:www.nexgenproject.com
1. A Spectral Clustering Approach to Identifying Cuts in Wireless Sensor Networks
Wireless sensor networks (WSNs) often suffer from the disrupted connectivity due to
unpredictable wireless channels, early depletion of node energy, and physical tampering by
hostile users. The existence of a disconnected segment of the network referred to as network cut,
leads to data loss, wasted power consumption, and congestion in the WSN. However, existing
approaches to network cut detection in the WSN rely on the assumption that a node or a link
either works normally or fails, without considering the uncertain and random features of wireless
links in the WSN. In this paper, we extend the notion of the network cut based on the realistic
wireless channel model. Furthermore, we formulate the problem of minimizing the normalized
cut (Ncut) with critical nodes, considering the quality of wireless links, degree weights, and
different priorities of sensor nodes. Then, we propose a network cut identification algorithm and
dominant eigenvector computation algorithm that efficiently identify multiple network cuts by
computing multiple eigenvalues and eigenvectors according to a given parameter of eigenvalue
gap. Extensive simulations are conducted to examine the effectiveness and robustness of the
proposed approach. The results show that the proposed method strikes a balance between
minimizing the Ncut objective and the degree of disconnection of critical nodes and achieves a
better performance than existing algorithms.

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A spectral clustering approach to identifying cuts in wireless sensor networks

  • 1. NEXGEN TECHNOLOGY FINAL YEAR IEEE PROJECTS TITLES 2015-2016 CONTACT: PRAVEEN KUMAR. L (+91 – 9751442511, +91 – 9791938249) MAIL ID: sunsid1989@gmail.com, praveen@nexgenproject.com web:www.nexgenproject.com 1. A Spectral Clustering Approach to Identifying Cuts in Wireless Sensor Networks Wireless sensor networks (WSNs) often suffer from the disrupted connectivity due to unpredictable wireless channels, early depletion of node energy, and physical tampering by hostile users. The existence of a disconnected segment of the network referred to as network cut, leads to data loss, wasted power consumption, and congestion in the WSN. However, existing approaches to network cut detection in the WSN rely on the assumption that a node or a link either works normally or fails, without considering the uncertain and random features of wireless links in the WSN. In this paper, we extend the notion of the network cut based on the realistic wireless channel model. Furthermore, we formulate the problem of minimizing the normalized cut (Ncut) with critical nodes, considering the quality of wireless links, degree weights, and different priorities of sensor nodes. Then, we propose a network cut identification algorithm and dominant eigenvector computation algorithm that efficiently identify multiple network cuts by computing multiple eigenvalues and eigenvectors according to a given parameter of eigenvalue gap. Extensive simulations are conducted to examine the effectiveness and robustness of the proposed approach. The results show that the proposed method strikes a balance between minimizing the Ncut objective and the degree of disconnection of critical nodes and achieves a better performance than existing algorithms.