Vol. 43

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2013-09-09

Superdirective Beamforming with Interferences and Noise Suppression via Second-Order Cone Programming

By Qing-Chen Zhou, Huotao Gao, Huajun Zhang, and Lin Zhou
Progress In Electromagnetics Research C, Vol. 43, 255-269, 2013
doi:10.2528/PIERC13071205

Abstract

Based on second-order cone programming, we present a new superdirective beamforming method with interferences and noise suppression for small aperture HF receive arrays. In the novel method, low side lobe level (SLL) and nulls are not only used to suppress interferences and noise, but also play an important part in overcoming the low array efficiency brought by superdirective beamforming. According to the actual condition, the new method can present a good tradeoff between directive gain, array efficiency, SLL, nulls and robustness against array uncertainty. Compared with the existing methods, it is more effective in suppressing interference and noise. The superiority and validity of the proposed method can be illustrated by numerical results.

Citation


Qing-Chen Zhou, Huotao Gao, Huajun Zhang, and Lin Zhou, "Superdirective Beamforming with Interferences and Noise Suppression via Second-Order Cone Programming," Progress In Electromagnetics Research C, Vol. 43, 255-269, 2013.
doi:10.2528/PIERC13071205
http://www.jpier.org/PIERC/pier.php?paper=13071205

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