Su, N;
Liu, F;
Masouros, C;
(2020)
Enhancing the physical layer security of dual-functional radar communication systems.
In:
2019 IEEE Global Communications Conference, GLOBECOM 2019 - Proceedings.
IEEE: Waikoloa, HI, USA.
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Abstract
Dual-functional radar communication (DFRC) system has recently attracted significant academic attentions as an enabling solution for realizing radar-communication spectrum sharing. During the DFRC transmission, however, the critical information could be leaked to the targets, which might be potential eavesdroppers. Therefore, the physical layer security has to be taken into consideration. In this paper, fractional programming (FP) problems are formulated to minimize the signal-to-interference-plus-noise ratio (SINR) at targets under the constraints for the SINR of legitimate users. By doing so, the secrecy rate of communication can be guaranteed. We first assume that communication CSI and the angle of the target are precisely known. After that, problem is extended to the cases with uncertainty in the target's location, which indicates that the target might appear in a certain angular interval. Finally, numerical results have been provided to validate the effectiveness of the proposed method showing that it is viable to guarantee both radar and secrecy communication performances by using the techniques we propose.
| Type: | Proceedings paper |
|---|---|
| Title: | Enhancing the physical layer security of dual-functional radar communication systems |
| Event: | 2019 IEEE Global Communications Conference (GLOBECOM) |
| ISBN-13: | 9781728109626 |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1109/GLOBECOM38437.2019.9013227 |
| Publisher version: | https://doi.org/10.1109/GLOBECOM38437.2019.9013227 |
| 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: | DFRC system, physical layer security, FP problem, secrecy rate. |
| 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/10095088 |
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