Decoupling Between Multiple Planar Inverted-F Antennas Without Adjusting Antenna Configuration

Phung, Quang Quan; Michishita, Naobumi; Satō, Hiroshi; Koyanagi, Yoshio; Morishita, Hisashi

doi:10.23919/eucap53622.2022.9769326

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2023

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“…However, one feature of this method is that the bandwidth is narrowed after connecting MIMO antennas by a BL. In our previous studies, the BLs were used to connect parasitic elements and then loaded onto the two or four PIFAs [9][10][11][12]. The combination of BL and parasitic elements (PEs) was effective in reducing mutual coupling, but it narrowed the bandwidth of these PIFAs.…”

Section: Introductionmentioning

confidence: 99%

Bandwidth Maintenance and Decoupling for Two Planar Inverted-F Antennas Using Bridge Line

Phung

Michishita

Sato

et al. 2023

JASSE

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In this paper, a simple method is proposed that allows two planar inverted-F antennas (PIFAs) maintain their bandwidth while simultaneously reducing the mutual coupling between them. By creating a slit on each PIFA patch and then connecting the two PIFAs by a bridge line (BL), the bandwidth can be maintained and the mutual coupling between them can be simultaneously reduced to less than −10 dB. Therefore, total antenna efficiency can be significantly improved over a wide band. The proposed model is fabricated and measured, and the simulation results are validated by the measurement results.

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Section: Introductionmentioning

confidence: 99%