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Title: Port decoupling for small arrays by means of an eigenmode feed network
Authors: Coetzee, J.C. 
Yu, Y. 
Keywords: Adaptive arrays
Antenna array feeds
Antenna arrays
Mutual coupling
Issue Date: Jun-2008
Citation: Coetzee, J.C., Yu, Y. (2008-06). Port decoupling for small arrays by means of an eigenmode feed network. IEEE Transactions on Antennas and Propagation 56 (6) : 1587-1593. ScholarBank@NUS Repository.
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. © 2008 IEEE.
Source Title: IEEE Transactions on Antennas and Propagation
ISSN: 0018926X
DOI: 10.1109/TAP.2008.923301
Appears in Collections:Staff Publications

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