Weighted Sum-Rate Maximization for Movable Antenna-Enhanced Wireless Networks
<|reference_start|>Weighted Sum-Rate Maximization for Movable Antenna-Enhanced Wireless Networks: This letter investigates the weighted sum rate maximization problem in movable antenna (MA)-enhanced systems. To reduce the computational complexity, we transform it into a more tractable weighted minimum mean square error (WMMSE) problem well-suited for MA. We then adopt the WMMSE algorithm and majorization-minimization algorithm to optimize the beamforming and antenna positions, respectively. Moreover, we propose a planar movement mode, which constrains each MA to a specified area, we obtain a low-complexity closed-form solution. Numerical results demonstrate that the MA-enhanced system outperforms the conventional system. Besides, the computation time for the planar movement mode is reduced by approximately 30\% at a little performance expense.<|reference_end|>
@article{feng2024weighted,
    title={Weighted Sum-Rate Maximization for Movable Antenna-Enhanced Wireless
  Networks},
    author={Biqian Feng, Yongpeng Wu, Xiang-Gen Xia, Chengshan Xiao},
    journal={arXiv preprint arXiv:2404.09734},
    year={2024},
    archivePrefix={arXiv},
    eprint={2404.09734},
    primaryClass={cs.IT eess.SP math.IT}
}