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Cooperative spectrum sensing is proposed as an efficient way to detect the spectrum holes in cognitive radio networks (CRNs). This technique, however, opens a window for malicious users (MUs) and attackers, who send distorted spectrum sensing data to the FC. In order to defend against such attacks, it is necessary for the FC to distinguish the trustiness of the reports from SUs. In this paper, we...
In this paper we present a simulation study of the induced specific absorption rate (SAR) within the phantom produced by radiofrequency radiation from a 8 MHz capacitive applicator. The main focus of the current study is on demonstrating the beam shaping properties of the bolus system as well as its effect on controlling the therapeutic area. Different electrical conductivities and geometries of the...
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