Dual-band decoupling and matching network design for very closely spaced antennas
Tang, X. Mouthaan, K. Coetzee, J.C.
Coetzee, J.C.
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Abstract
A practical method for the design of dual-band decoupling and matching networks (DMN) for two closely spaced antennas using discrete components is presented. The DMN reduces the port-to-port coupling and enhances the diversity of the antennas. By applying the DMN, the radiation efficiency can also be improved when one port is fed and the other port is match terminated. The proposed DMN works at two frequencies simultaneously without the need for any switch. As a proof of concept, a dual-band DMN for a pair of monopoles spaced 0.05λ apart is designed. The measured return loss and port isolation exceed 10 dB from 1.71 GHz to 1.76 GHz and from 2.27 GHz to 2.32 GHz. © 2012 EUROPEAN MICROWAVE ASSOC.
Keywords
Closely spaced antennas, decoupling and matching network, dual-band, mutual coupling
Source Title
European Microwave Week 2012: "Space for Microwaves", EuMW 2012, Conference Proceedings - 42nd European Microwave Conference, EuMC 2012
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Date
2012
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Type
Conference Paper