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Detection and Fortification Analysis of WiMAX Network: With Misbehavior Node Attack

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Author(s): Rakesh Kumar Jha | Idris Z. Bholebawa | Upena D. Dalal | A. Vishal Wankhede

Journal: International Journal of Communications, Network and System Sciences
ISSN 1913-3715

Volume: 05;
Issue: 06;
Start page: 353;
Date: 2012;
Original page

Keywords: WiMAX | PHY Layer | MAC Layer | Network Layer WiMAX Architecture | QoS (Quality of Service) | Misbehavior Node | OPNET Modeler

ABSTRACT
Wireless networks are playing an imperative role in our daily existence; in current scenario, the users want wireless connectivity for all location with all types of service. One of the major challenges for wireless network is security issue. First and foremost task is to detect the security attacks in the network and the second task is to prevent from an authorized attacks. In our view, a lot of researches are going on and somehow we have succeeded in the first case but the second task is very tough due to wireless channel. Our research is based on how to avoid network attack i.e. misbehavior node attack in the WiMAX system. In this paper we have proposed an algorithm for WiMAX network and our algorithm are able to prevent fixed as well as mobile misbehavior node attacks. As we know, misbehavior node misbehaves in the sense that the node does not esteem its MAC protocols and avariciously sends its packets without any restriction (Flooding of packets) because it doesn't follow any protocol. Our proposed work based on the standard time required for communication for valid user with some threshold time for valid delay and some unwanted delay with network conditions. Our approach can control continuous flooding of packets and continuously transmits Constant Bit Rate (CBR) packets by misbehavior node, which introduces noise in the network and upset the performance of the network. In the mean while the valid user communicate in a trouble-free approach.
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