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has been cited by the following article:

• TITLE: Two-Tier Hierarchical Cluster Based Topology in Wireless Sensor Networks for Contention Based Protocol Suite

  AUTHORS: Arif Sari

  KEYWORDS: 802.15.4 WSN, Communication, Hierarchical Cluster Topology, Simulation, Security, Jamming Attack, Contention-Based Protocols

  JOURNAL NAME: International Journal of Communications, Network and System Sciences, Vol.8 No.3, March 20, 2015

  ABSTRACT: The 802.15.4 Wireless Sensor Networks (WSN) becomes more economical, feasible and sustainable for new generation communication environment, however their limited resource constraints such as limited power capacity make them difficult to detect and defend themselves against variety of attacks. The radio interference attacks that generate for WSN at the Physical Layer cannot be defeated through conventional security mechanisms proposed for 802.15.4 standards. The first section introduces the deployment model of two-tier hierarchical cluster topology architecture and investigates different jamming techniques proposed for WSN by creating specific classification of different types of jamming attacks. The following sections expose the mitigation techniques and possible built-in mechanisms to mitigate the link layer jamming attacks on proposed two-tier hierarchical clustered WSN topology. The two-tier hierarchical cluster based topology is investigated based on contention based protocol suite through OPNET simulation scenarios.