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Plenary Lecture

Statistical Detection of Selfish Behavior in IEEE 802.11 Wireless Networks

Professor Tarek Saadawi
Center for Information Networking & Telecommunications (CINT)
Dept. of Electrical Engineering
City University of New York, City College
USA
E-mail: saadawi@ccny.cuny.edu

Abstract: The presentation presents a novel technique to detect the selfish behavior applied by malicious nodes in mesh wireless Ad-hoc networks employing the widely used IEEE 802.11 DCF protocols. Malicious nodes manipulate the IEEE 802.11 DCF standards to illegally gain extra throughput and increase the probability of having a successful packet transmission on the expense of the honest nodes that follow the protocol standards. The theoretical network throughput will be derived using two dimensional Markov Chain to determine the network capacity. Results obtained by the theoretical computations will be validated by network simulation to determine the baseline for the maximum achievable throughput in the network under fair conditions where all nodes follow the standards. An approach is proposed to enable all the nodes in IEEE 802.11 network with a mechanism to detect and identify the malicious nodes in a distributed environment. Results are presented to prove the effectiveness and feasibility of the proposed algorithm.

Brief Biography of the Speaker: Dr Saadawi has been with the Electrical Engineering Department, The City University of New York, CityCollege, since 1980, where he currently directs the Center of Information Networking and Telecommunications (CINT) at CCNY. His current research interests are wireless networks, multimedia networks, AD-HOC networks and network security. He has published extensively in the area of telecommunications networks. He is a co-Editor of Cyber Infrastructure Protection, published by Strategic Studies Institute, 2010, lead-author of a text book on telecommunications, and the lead author of Egypt Telecommunications Infrastructure Master Plan, funded by USAID.
Dr Saadawi a former Chairman of IEEE Computer Society of New York City He has received IEEE Region 1 Award. Dr Saadawi has been a member of the Consortium Management Committee of ARL Consortium on Telecommunication (2001- 2011), and has been on US Dept of Commerce delegation to the Algerian Government addressing Rural Communications, April 2007.
Dr Saadawi received his PhD from the University of Maryland , College Park, USA the MSc and Bsc From Cairo University, Egypt.

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