Coherent interference suppression with complementally transformed adaptive beamformer

Ta-Sung Lee*, Tsui Tsai Lin

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

26 Scopus citations

Abstract

This paper proposes a beamforming scheme for suppressing coherent interference with an array of arbitrary geometry. The scheme first uses estimates of the source directions to construct a transformation, which removes the desired signal while retaining the coherent interference. Optimum beamforming is then performed on the transformed data containing only interference and noise to produce the maximum output signalto-interference-plus-noise ratio (SINR). Analysis and numerical results demonstrate that the proposed complementally transformed beamformer significantly outperforms the conventional multiply constrained minimum variance (MCMV) beamformers.

Original languageEnglish
Pages (from-to)609-617
Number of pages9
JournalIEEE Transactions on Antennas and Propagation
Volume46
Issue number5
DOIs
StatePublished - 1 Dec 1998

Keywords

  • Adaptive arrays

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