Wang, Yiran;
Hu, Xiaoyan;
Li, Ang;
Wong, Kai Kit;
Yang, Kun;
(2024)
CI-Based Block-Level Precoding for ISAC System.
In:
2024 16th International Conference on Wireless Communications and Signal Processing (WCSP), Proceedings.
(pp. pp. 869-874).
IEEE: Hefei, China.
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Abstract
In this paper, we propose a constructive interference (CI)-based precoding scheme and extend the proposed precoding scheme from the symbol level to the block level for multiple-input multiple-output (MIMO) integrated sensing and communication (ISAC) systems. The illumination power of radar is maximized under communication CI constraint. Since the optimization objective function is not convex, we use succesive convex ap-proximation (SCA) method to solve the proposed optimization problem. Furthermore, we formulate the dual problem of the convex subproblem in SCA method. It is a simple quadratic programming (QP) problem and can be efficiently solved. The simulation results show that the proposed CI-based precoding design has significant advantages in enhancing the ISAC performance with acceptable computational complexity.
| Type: | Proceedings paper |
|---|---|
| Title: | CI-Based Block-Level Precoding for ISAC System |
| Event: | 16th International Conference on Wireless Communications and Signal Processing (WCSP) |
| Dates: | 24 Oct 2024 - 26 Oct 2024 |
| ISBN-13: | 979-8-3503-9064-3 |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1109/WCSP62071.2024.10826614 |
| Publisher version: | https://doi.org/10.1109/WCSP62071.2024.10826614 |
| 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/10205187 |
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