Zou, J;
Masouros, C;
Liu, F;
Sun, S;
(2024)
Securing the Sensing Functionality in ISAC Networks: An Artificial Noise Design.
IEEE Transactions on Vehicular Technology
, 73
(11)
17800 -17805.
10.1109/TVT.2024.3422036.
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Abstract
Integrated sensing and communications (ISAC) systems employ dual-functional signals to simultaneously accomplish radar sensing and wireless communication tasks. However, ISAC systems open up new sensing security vulnerabilities to malicious illegitimate eavesdroppers (Eves) that can also exploit the transmitted waveform to extract sensing information from the environment. In this paper, we investigate the beamforming design to enhance the sensing security of an ISAC system, where the communication user (CU) serves as a sensing Eve. Our objective is to maximize the mutual information (MI) for the legitimate radar sensing receiver while considering the constraint of the MI for the Eve and the quality of service to the CUs. Then, we consider the artificial noise (AN)-aided beamforming to further enhance the sensing security. Simulation results demonstrate that our proposed methods achieve MI improvement of the legitimate receiver while limiting the sensing MI of the Eve, compared with the baseline scheme, and that the utilization of AN further contributes to sensing security.
| Type: | Article |
|---|---|
| Title: | Securing the Sensing Functionality in ISAC Networks: An Artificial Noise Design |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1109/TVT.2024.3422036 |
| Publisher version: | http://dx.doi.org/10.1109/tvt.2024.3422036 |
| 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. |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS 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/10197227 |
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