1. ADMM-Net for Beamforming Based on Linear Rectification with the Atomic Norm Minimization.
- Author
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Gong, Zhenghui, Zhang, Xinyu, Ren, Mingjian, Su, Xiaolong, and Liu, Zhen
- Subjects
BEAMFORMING ,NOISE ,ALGORITHMS ,RADAR interference - Abstract
Target misalignment can cause beam pointing deviations and degradation of sidelobe performance. In order to eliminate the effect of target misalignment, we formulate the jamming sub-space recovery problem as a linearly modified atomic norm-based optimization. Then, we develop a deep-unfolding network based on the alternating direction method of multipliers (ADMM), which effectively improves the applicability and efficiency of the algorithm. By using the back-propagation process of deep-unfolding networks, the proposed method could optimize the hyper-parameters in the original atomic norm. This feature enables the adaptive beamformer to adjust its weight according to the observed data. Specifically, the proposed method could determine the optimal hyper-parameters under different interference noise matrix conditions. Simulation results demonstrate that the proposed network could reduce computational cost and achieve near-optimal performance with low complexity. [ABSTRACT FROM AUTHOR]
- Published
- 2024
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