Modeling the lion attack in cognitive radio networks

Authors:
Juan Hernandez-Serrano;Olga León;Miguel Soriano
Affiliations:
Department of Telematics Engineering, Universitat Politècnica de Catalunya, Barcelona, Spain;Department of Telematics Engineering, Universitat Politècnica de Catalunya, Barcelona, Spain;Centre Tecnològic de Telecomunicacions de Catalunya, Barcelona, Spain
Venue:
EURASIP Journal on Wireless Communications and Networking - Special issue on security and resilience for smart devices and applications
Year:
2011

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Abstract

Cognitive radio is a promising technology aiming to improve the utilization of the radio electromagnetic spectrum. A cognitive radio is a smart device which runs radio applications software to perform signal processing. The use of this software enables the device to sense and understand its environment and actively change its mode of operation based on its observations. Unfortunately, this solution entails new security challenges. In this paper, we present a cross-layer attack to TCP connections in cognitive radio networks, analyze its impact on TCP throughput via analytical model and simulation, and propose potential countermeasures to mitigate it.