A Full Design Perspective of Port Decoupling for MIMO Antennas: Preservation of Radiation Pattern

IF 4.6 1区计算机科学 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Transactions on Antennas and Propagation Pub Date : 2024-10-28 DOI:10.1109/TAP.2024.3484680

Guang-Yao Liu;Nan Yang;Kwok Wa Leung;Kwai Man Luk

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引用次数: 0

Abstract

Whereas most studies of decoupling methods in antenna designs are limited to port isolation, this article additionally investigates the radiation-pattern-decoupling (RPD) method to preserve the radiation pattern in a port-decoupling design. The RPD method introduces shorting vias to obtain a new current component for canceling the coupled current, leaving the original active current on the coupled antenna element. As a result, each element effectively has its own active current only, minimizing the coupling effects on the antenna port and radiation pattern. For demonstration, this RPD method is applied to an multiple-input multiple-output (MIMO) design using broadside microstrip antennas (MAs). Both

$1\times 2$

and

$4\times 4$

MIMO arrays are considered, with reasonable agreement between the measured and simulated results. Both of the arrays have an overlapping impedance and isolation bandwidth of more than 5%, with the portion isolation higher than 16.5 dB.

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来源期刊

IEEE Transactions on Antennas and Propagation 工程技术-电信学

CiteScore

10.40

自引率

28.10%

发文量

968

审稿时长

4.7 months

期刊介绍： IEEE Transactions on Antennas and Propagation includes theoretical and experimental advances in antennas, including design and development, and in the propagation of electromagnetic waves, including scattering, diffraction, and interaction with continuous media; and applications pertaining to antennas and propagation, such as remote sensing, applied optics, and millimeter and submillimeter wave techniques