@inproceedings{5fe7e8ddd35f42ad8194abc4f7a7ea26,
title = "Robust Broadband Adaptive Beamforming with Constant Beamwidth for Moving Interference Suppression",
abstract = "The performance of the conventional broadband adaptive beamforming methods degrades severely in scenarios with moving interference. Moreover, due to the inconsistency of mainlobes width at different frequencies, the conventional methods also deteriorate when the target direction differs with the look direction. Therefore, a robust broadband adaptive beamforming method with constant beamwidth for moving interference suppression is proposed. In the proposed method, a taper matrix is constructed by adding two virtual interferences arranged at the two sides of each original interference. Then the array covariance matrix is reconstructed based on the taper matrix and the sample covariance matrix. Meanwhile, the spatial response variation (SRV) constraint is applied to guarantee a constant beamwidth over the entire frequency band. Finally, the adaptive weight vector for null broadening and constant beamwidth is calculated by the Lagrange multiplier method. The effectiveness of the proposed method has been verified by numerical simulations.",
keywords = "Constant beamwidth, Moving interference, Null broadening, Robust broadband adaptive beamforming",
author = "Shuai Li and Xiaopeng Yang and Junqi Xue and Xuchen Wu",
note = "Publisher Copyright: {\textcopyright} 2019, Springer Nature Singapore Pte Ltd.; International Conference on Communications, Signal Processing, and Systems, CSPS 2018 ; Conference date: 14-07-2018 Through 16-07-2018",
year = "2019",
doi = "10.1007/978-981-13-6264-4_29",
language = "English",
isbn = "9789811362637",
series = "Lecture Notes in Electrical Engineering",
publisher = "Springer Verlag",
pages = "241--248",
editor = "Baoju Zhang and Xin Liu and Zhenyu Na and Qilian Liang and Wei Wang and Jiasong Mu",
booktitle = "Communications, Signal Processing, and Systems - Proceedings of the 2018 CSPS Volume 1",
address = "Germany",
}