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Waveform-Defined Security Enhancement via Signal Generation optimization

Xu, T; (2021) Waveform-Defined Security Enhancement via Signal Generation optimization. In: Proceedings of the 2020 IEEE Globecom Workshops (GC Wkshps). IEEE: Taipei, Taiwan. Green open access

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Abstract

Traditional defence strategies of physical layer security (PLS) are highly dependent on channel environments. This work investigates a waveform-defined security (WDS) framework, which can fundamentally prevent signal interception. In the traditional WDS framework, by intentionally tuning waveform parameters to weaken feature diversity and enhance feature similarity, eavesdroppers cannot correctly identify feature-similarity dominant signals using deep learning (DL) classifiers. The imperfect signal classification would result in subsequent detection errors. This work aims to optimize the framework by further complicating signal classification using a newly proposed signal generation architecture. Results show that the new signal generator can cut distinguishable signal features. In this case, classification accuracy at eavesdroppers is reduced by up to 53% leading to an enhanced WDS framework. Meanwhile, legitimate users maintain performance reliability regardless of signal generation architectures.

Type: Proceedings paper
Title: Waveform-Defined Security Enhancement via Signal Generation optimization
Event: 2020 IEEE Globecom Workshops (GC Wkshps)
ISBN-13: 978-1-7281-7307-8
Open access status: An open access version is available from UCL Discovery
DOI: 10.1109/GCWkshps50303.2020.9367513
Publisher version: https://doi.org/10.1109/GCWkshps50303.2020.9367513
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, secure communications, physical layer security, deep learning, signal classification
UCL classification: UCL
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/10128625
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