Feng, B;
Feng, C;
Xia, W;
Huang, C;
Zhu, H;
Wong, KK;
Quek, TQS;
(2025)
Antenna Trajectory-Aware Sum-Rate Maximization for Fluid Antenna-Enhanced Wireless Networks.
In:
Proceedings of the 2025 IEEE International Workshop on Radio Frequency and Antenna Technologies (iWRF&AT).
(pp. pp. 5-10).
IEEE: Shenzhen, China.
Preview |
Text
m98913-feng final.pdf - Accepted Version Download (270kB) | Preview |
Abstract
This paper investigates the non-negligible latency associated with repositioning fluid antennas (FA) and delves into the challenge of maximizing the antenna trajectory-aware sum-rate for FA-enhanced systems. Different with conventional transmission schemes that swiftly reposition antennas to their desired positions, we introduce an innovative protocol that jointly optimizes antenna movement and signal transmission during the repositioning phase. To reduce the computational complexity, we reformulate the problem into a more tractable weighted minimum mean square error (WMMSE) framework, which is particularly tailored for FAs. Subsequently, we employ the WMMSE algorithm and a majorization-minimization technique to refine the beamforming strategies and antenna positioning, respectively. Furthermore, we introduce a planar motion mode that confines each FA within a designated region, leading to a low-complexity, closed-form solution. Numerical results demonstrate that the antenna trajectory-aware FA-enhanced system surpasses traditional systems in performance.
| Type: | Proceedings paper |
|---|---|
| Title: | Antenna Trajectory-Aware Sum-Rate Maximization for Fluid Antenna-Enhanced Wireless Networks |
| Event: | 2025 IEEE International Workshop on Radio Frequency and Antenna Technologies (iWRF&AT) |
| Dates: | 23 May 2025 - 26 May 2025 |
| ISBN-13: | 979-8-3315-4422-5 |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1109/iWRFAT65352.2025.11103242 |
| Publisher version: | https://doi.org/10.1109/iwrfat65352.2025.11103242 |
| 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: | Fluid antenna, antenna trajectory, sum rate maximization, planar motion mode |
| 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/10215489 |
Archive Staff Only
 |
View Item |
