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Waveform-Defined Security: A Framework for Secure Communications

Xu, T; (2020) Waveform-Defined Security: A Framework for Secure Communications. In: Proceedings of the 2020 12th International Symposium on Communication Systems, Networks and Digital Signal Processing (CSNDSP). IEEE: Porto, Portugal. Green open access

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Abstract

This work proposes a waveform-defined security (WDS) framework in secure communications via the design of non-orthogonal multi-carrier waveform patterns. The sophisticated detection required by non-orthogonal signal waveforms provides a natural defence mechanism. However, brute-force tactics such as maximum likelihood detection would break the defence by attempting all possible solutions. Thus, a waveform scaling strategy is proposed to scale up the number of non-orthogonally packed sub-carriers, which complicates eavesdropping signal detections. In addition, a waveform tuning strategy is proposed to intentionally tune waveform patterns to enhance feature similarity. Therefore, eavesdroppers would be confused to misclassify signals resulting in subsequent detection failures.

Type: Proceedings paper
Title: Waveform-Defined Security: A Framework for Secure Communications
Event: 2020 12th International Symposium on Communication Systems, Networks and Digital Signal Processing (CSNDSP)
ISBN-13: 978-1-7281-6743-5
Open access status: An open access version is available from UCL Discovery
DOI: 10.1109/CSNDSP49049.2020.9249605
Publisher version: https://doi.org/10.1109/CSNDSP49049.2020.9249605
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Waveform-defined security (WDS), waveform, non-orthogonal, security, encryption, physical layer, eavesdropping, deep learning, classification, secure communication
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng
URI: https://discovery.ucl.ac.uk/id/eprint/10118673
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