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Analysis of Power Inversion Adaptive Array Performance by Moment Method
Yimin ZHANG Kazuhiro HIRASAWA Kyohei FUJIMOTO
IEICE TRANSACTIONS (1976-1990)
Publication Date: 1988/06/25
Print ISSN: 0000-0000
Type of Manuscript: PAPER
Category: Antennas and Propagation
Full Text: PDF>>
A rigorous and systematical analysis of the performance of the power inversion adaptive array is shown where the method of moments is applied to analyze the antenna system and the electric field intensity is used as the descriptive parameter of the incident signals. This method can be easily extended to analyze adaptive arrays with arbitrary array structure and with wire antenna elements other than monopoles and dipoles. To show the adavantages of the method, the performance of adaptive arrays with mutual coupling effect among the array elements is considered and the inverted-F antennas (IFA) are used as the elements. The steering vector in the presence of mutual coupling which differs from that in the absence of the mutual coupling is derived. The output signal-to-interference-plus-noise ratio (SINR) of two kinds of adaptive arrays composed of IFA elements is computed and the importance of properly selecting steering vector is demostrated by means of the quiescent array patterns and the output SINR performance.