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Although device-specific characteristics are often used to verify wireless devices, the performance of such authentication techniques are still not satisfactory in terms of accuracy and reliability. This paper develops a new approach to enhance the wireless device authentication through using more than one unique characteristics. To be specific, a weighted combination of multiple transmitter-specific...
Although cooperative relaying has been widely utilized in wireless communications, it simultaneously introduces a new source of security vulnerabilities to the wireless networks such as denial of service attacks. In order to minimize the potential security risks from relays, reliable relay authentication schemes become necessitated. In this paper, a novel relay authentication scheme is proposed to...
I/Q imbalance commonly exists in direct conversion architecture based wireless transceivers due to the mismatches of analog components between in-phase (I) and quadrature (Q) branches. In this paper, the device-dependent I/Q imbalance is utilized as transmitter fingerprint to accomplish improved wireless authentication through the collaboration of multiple receivers. In precise, two hypothesis testing...
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