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Vol. 160, Issue 12, December 2013, pp. 274-278




The Improvement of Routing Protocols in Wireless Sensor Network Based on Tree Topology and PSK Algorithm
Leting TAN

Computer School of China West Normal University, Sichuan, 637000, China
E-mail: yubin685.com


Received: 29 October 2013   /Accepted: 22 November 2013   /Published: 30 December 2013

Digital Sensors and Sensor Sysstems


Abstract: For the high effectiveness and high security in wireless sensor network (WSN) applications, this paper improves the routing protocols based on the tree topology and PSK algorithm. It proposes the ST (security tree) topology that transforms the data delivery from nodes to cluster heads into multi-hop delivery mechanisms, reducing the energy consumption of data transmission; PSK keys are made for preventing transmission from different attacks, transferring the encrypted information between the adjacent nodes in WAN based on nodes mutual authentication. Meanwhile, according to the ST features, it also puts forward a safe routing policy with adaptive multi-path, to improve attack resistance and fault tolerance. Theoretical analysis shows that the advanced routing protocols can be low-energy, highly reliable and secure.


Keywords: Tree topology, Security routing protocol, Wireless sensor network.


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