An Experimental Analysis of Jamming Attacks on Medium Access in Wireless Sensor Networks
Abstract
The use of wireless sensors is increasingly common today, promoting ubiquitous and pervasive applications. However, wireless communication is susceptible to noise and interference, being vulnerable to several kinds of attack, particularly those which undermine the wireless medium. As wireless devices communicate in specific transmission frequencies, a jamming attack aims at overloading these frequencies with malicious traffic, intending to cause collisions on transmissions of legitimate nodes. Currently, the majority of existing works deal with jamming only through simulations or by analytical models. However, it is important to investigate the impact of these attacks in real networks. This work conducts an experimental study about the impact of jamming attacks in real scenarios, followed by a verification and a comparative between experimental and simulation results, highlighting the differences among them. It is also expected to show the way in which the variation of the used transmission power can increase the efficiency of the jamming attack or improve the quality of communication.
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