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Port decoupling for small arrays by means of an eigenmode feed network

Coetzee, Jacob & Yu, Yantao (2008) Port decoupling for small arrays by means of an eigenmode feed network. IEEE Transactions on Antennas and Propagation, 56(6), pp. 1587-1593.

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Abstract

An alternative approach to port decoupling and matching of arrays with tightly coupled elements is proposed. The method is based on the inherent decoupling effect obtained by feeding the orthogonal eigenmodes of the array. For this purpose, a modal feed network is connected to the array. The decoupled external ports of the feed network may then be matched independently by using conventional matching circuits. Such a system may be used in digital beam forming applications with good signal-to-noise performance. The theory is applicable to arrays with an arbitrary number of elements, but implementation is only practical for smaller arrays. The principle is illustrated by means of two examples.

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37 citations in Scopus
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22 citations in Web of Science®

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ID Code: 30753
Item Type: Journal Article
Keywords: Adaptive Arrays, Antenna Array Feeds, Antenna Arrays, Mutual Coupling
DOI: 10.1109/TAP.2008.923301
ISSN: 0018-926X
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > ELECTRICAL AND ELECTRONIC ENGINEERING (090600)
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Past > Schools > School of Engineering Systems
Copyright Owner: Copyright 2008 IEEE
Copyright Statement: This work has been submitted to the IEEE for possible publication. Copyright may be transferred without notice, after which this version may no longer be accessible
Deposited On: 12 Feb 2010 22:46
Last Modified: 01 Mar 2012 09:59

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