Multi-Element Self-Decoupled MIMO Patch Antenna with Flexible Characteristics

Hung Tran-Huy, Hong Nguyen Tuan, Nguyen Quoc Dinh, Duc Nguyen Tran-Viet, Hyun Chang Park

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

This paper presents a multi-element multiple-input multiple-output (MIMO) antenna with self-isolation and flexible characteristics. The primary radiators of the proposed antenna consist of multiple ellipse-shaped patches arranged in an H-plane configuration. Self-decoupling is achieved by simultaneously different operating modes on the excited element (TM10 mode) and non-excited element (TM02 mode). The proposed method also shows strong extensibility. The measurements on the fabricated 4-element MIMO antenna demonstrate that the proposed decoupling method can improve the isolation by 14 dB. The antenna shows good MIMO diversity performances with respect to the envelope correlation coefficient and diversity gain. Additionally, the antenna also works effectively in when the substrate is bent, which contributes to significantly increasing the applicability of the proposed method in comparison with the other reported methods.

Original languageEnglish
Pages (from-to)21569-21575
Number of pages7
JournalIEEE Access
Volume12
DOIs
StatePublished - 2024

Keywords

  • MIMO antenna
  • multi-element
  • patch
  • self-decoupled

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