Weak-Field-Based Self-Decoupling Patch Antennas

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openAccess

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Journal Title

Journal ISSN

Volume Title

A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä

Date

2020-06

Major/Subject

Mcode

Degree programme

Language

en

Pages

10
4208-4217

Series

IEEE Transactions on Antennas and Propagation, Volume 68, issue 6

Abstract

In this article, a new self-decoupling method, namely weak-field-based decoupling technique, is proposed and validated based on inset-fed patch antenna arrays. The self-decoupling effect is realized by taking advantage of the inherent weak-field area created by the feeding structure and proposed inset-fed patch. By strategically arranging the array element in the weak-field area of the adjacent antenna element, the coupling strength between adjacent elements can be controlled under a very low level without the need of any additional decoupling circuitry or structures. A two-element patch antenna array was first developed and analyzed, achieving a peak isolation level of 61 dB. Afterward, a four-element linear patch antenna array was designed, fabricated, and measured to further validate the proposed technique. With the distinct advantages of simple structure and effective isolation enhancement, the proposed self-decoupling method is very promising for MIMO applications.

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Keywords

Antenna array, multiple input multiple output (MIMO), patch antenna, self-decoupling

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Citation

Lin, H, Chen, Q, Ji, Y, Yang, X, Wang, J & Ge, L 2020, ' Weak-Field-Based Self-Decoupling Patch Antennas ', IEEE Transactions on Antennas and Propagation, vol. 68, no. 6, 8979277, pp. 4208-4217 . https://doi.org/10.1109/TAP.2020.2970109