Routing and security in wireless sensor networks, an experimental evaluation of a proposed trust based routing protocol

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2013

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Chalabianloo, Niaz

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Satisfactory results obtained from sensor networks and the ongoing development in electronics and wireless communications have led to an impressive boost in the number of applications based on WSNs. Along with the growth in popularity of WSNs, previously implemented solutions need further improvements and new challenges arise which need to be solved. One of the main concerns regarding WSNs is the existence of security threats against their routing operations. Likelihood of security attacks in a structure suffering from resource constraints makes it an important task to choose proper security mechanisms for the routing decisions in various types of WSN applications. The main purpose of this study is to survey WSNs, routing protocols, security attacks against routing layer of a WSN, introduction of Trust based models which are an effective defense mechanism against security attacks in WSNs and finally, to implement a proposed Trust based routing protocol in order to overcome security attacks. The study begins with a survey of Sensor Networks, after the introduction of WSNs and their related routing protocols, the issue of security attacks against the network layer of a Sensor Network is described with a presentation of different types of attacks and some of Trust based related works. In the final chapters of this research, a novel Trust based AODV protocol will be proposed, implemented and examined in a simulation environment. For this purpose, multiple number of scenarios will be simulated on the AODV protocol with and without Trust mechanism, then the achieved results will be compared to derive a conclusion.

Subject Keywords

Sensor networks., Wireless sensor networks., Wireless communication systems., Ad hoc networks (Computer networks).

URI

http://etd.lib.metu.edu.tr/upload/12615754/index.pdf
https://hdl.handle.net/11511/22308

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Graduate School of Natural and Applied Sciences, Thesis

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Citation Formats

N. Chalabianloo, “Routing and security in wireless sensor networks, an experimental evaluation of a proposed trust based routing protocol,” M.S. - Master of Science, Middle East Technical University, 2013.