Research Article
A Robust Beamforming Algorithm for Satellite Communication
@INPROCEEDINGS{10.1007/978-3-031-34851-8_8, author={Ruonan Yang and Ying Chen and Chuili Kong and Rong Li and Jun Wang and Kai Wang}, title={A Robust Beamforming Algorithm for Satellite Communication}, proceedings={Wireless and Satellite Systems. 13th EAI International Conference, WiSATS 2022, Virtual Event, Singapore, March 12-13, 2023, Proceedings}, proceedings_a={WISATS}, year={2023}, month={6}, keywords={Beamforming Triangular lattice antenna Satellite communication}, doi={10.1007/978-3-031-34851-8_8} }- Ruonan Yang
Ying Chen
Chuili Kong
Rong Li
Jun Wang
Kai Wang
Year: 2023
A Robust Beamforming Algorithm for Satellite Communication
WISATS
Springer
DOI: 10.1007/978-3-031-34851-8_8
Abstract
The triangular lattice is preferred in the case when the available estate is limited, since it entails a higher element density than that obtainable with a square lattice of identical inter-element distance. However, the antenna pattern of the triangular lattice is very sensitive to the change of the beam pointing direction due to its nonuniform distribution of beam gain, which probably results in a large SNR decrease with a minor beam pointing error. To address this issue, in this paper, we focus on the two dimensions, i.e., the elevation angle and the azimuth angle, and propose an adaptive azimuth adjustment algorithm to overcome the performance loss caused by the unpredictable elevation angle’s variation. Simulation results reveal that the total SNR reduction is less than 0.18dB when the elevation angle changes up to(\pm {5^\circ }), which demonstrates the robustness of our proposed algorithm.
