Portability of an RF fingerprint of a wireless transmitter

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Authors
Rehman, Saeed
Sowerby, K.W.
Alam, Shafiq
Ardekani, Iman
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Date
2014-10
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Conference Contribution - Paper in Published Proceedings
Ngā Upoko Tukutuku (Māori subject headings)
Keyword
Radio Frequence (RF) fingerprinting
wireless devices
physical layer security
portability
network security
ANZSRC Field of Research Code (2020)
Citation
Rehman, S. U., Sowerby, K., Alam, S., & Ardekani, I. (2014, October). Portability of an RF Fingerprint of a Wireless Transmitter. IEEE (Ed.), IEEE CNS Workshop on Physical-layer Methods for Wireless Security (pp.151-156).
Abstract
In conventional wireless networks, security issues are primarily considered above the physical layer and are usually based on bitlevel algorithms to establish the identity of a legitimate wireless device. Physical layer security is a new paradigm in which features extracted from an analog signal can be used to establish the unique identity of a transmitter. Our previous research work into RF fingerprinting has shown that every transmitter has a unique RF fingerprint owing to imperfections in the analog components present in the RF front end. Generally, it is believed that the RF fingerprint of a specific transmitter is same across all receivers. That is, a fingerprint created in one receiver can be transported to another receiver to establish the identity of a transmitter. However, to the best of the author’s knowledge, no such example is available in the literature in which an RF fingerprint generated in one receiver is used for identification in other receivers. This paper presents the results of experiments, and analyzing the feasibility of using an universal RF fingerprint of a transmitter for identification across different receivers.
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