Circularly polarised MIMO ground radiation antennas for wearable devices

Longyue Qu; Haiyan Piao; Yunhao Qu; Hyung Hoon Kim; Hyeongdong Kim

doi:10.1049/el.2017.4348

Circularly polarised MIMO ground radiation antennas for wearable devices

Longyue Qu
, Haiyan Piao
, Yunhao Qu
, Hyung Hoon Kim
, Hyeongdong Kim^*

^*Corresponding author for this work

Hanyang University
Wuhan University
Kwangju Women’s University

Research output: Contribution to journal › Article › peer-review

62 Scopus citations

Abstract

Two ground radiation antennas with polarisation diversity performance were proposed for MIMO WLAN applications in wearable devices. The antennas can simultaneously excite the vertical mode and horizontal mode of the ground plane and the phase difference between the two modes can be controlled by utilising an inductor-loaded metal strip in the ground plane, generating circular polarisation. A 3:1 VSWR bandwidth of 140 MHz with high isolation (above 17 dB) and a 3 dB axial ratio bandwidth of 100 MHz was obtained. The opposite rotations generated by the two antennas resulted in good diversity performance, which was verified by the measured envelope correlation coefficient.

Original language	English
Pages (from-to)	189-190
Number of pages	2
Journal	Electronics Letters
Volume	54
Issue number	4
DOIs	https://doi.org/10.1049/el.2017.4348
State	Published - 22 Feb 2018
Externally published	Yes

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10.1049/el.2017.4348

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title = "Circularly polarised MIMO ground radiation antennas for wearable devices",

abstract = "Two ground radiation antennas with polarisation diversity performance were proposed for MIMO WLAN applications in wearable devices. The antennas can simultaneously excite the vertical mode and horizontal mode of the ground plane and the phase difference between the two modes can be controlled by utilising an inductor-loaded metal strip in the ground plane, generating circular polarisation. A 3:1 VSWR bandwidth of 140 MHz with high isolation (above 17 dB) and a 3 dB axial ratio bandwidth of 100 MHz was obtained. The opposite rotations generated by the two antennas resulted in good diversity performance, which was verified by the measured envelope correlation coefficient.",

author = "Longyue Qu and Haiyan Piao and Yunhao Qu and Kim, \{Hyung Hoon\} and Hyeongdong Kim",

note = "Publisher Copyright: {\textcopyright} The Institution of Engineering and Technology 2018",

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AU - Qu, Longyue

AU - Piao, Haiyan

AU - Qu, Yunhao

AU - Kim, Hyung Hoon

AU - Kim, Hyeongdong

PY - 2018/2/22

Y1 - 2018/2/22

N2 - Two ground radiation antennas with polarisation diversity performance were proposed for MIMO WLAN applications in wearable devices. The antennas can simultaneously excite the vertical mode and horizontal mode of the ground plane and the phase difference between the two modes can be controlled by utilising an inductor-loaded metal strip in the ground plane, generating circular polarisation. A 3:1 VSWR bandwidth of 140 MHz with high isolation (above 17 dB) and a 3 dB axial ratio bandwidth of 100 MHz was obtained. The opposite rotations generated by the two antennas resulted in good diversity performance, which was verified by the measured envelope correlation coefficient.

AB - Two ground radiation antennas with polarisation diversity performance were proposed for MIMO WLAN applications in wearable devices. The antennas can simultaneously excite the vertical mode and horizontal mode of the ground plane and the phase difference between the two modes can be controlled by utilising an inductor-loaded metal strip in the ground plane, generating circular polarisation. A 3:1 VSWR bandwidth of 140 MHz with high isolation (above 17 dB) and a 3 dB axial ratio bandwidth of 100 MHz was obtained. The opposite rotations generated by the two antennas resulted in good diversity performance, which was verified by the measured envelope correlation coefficient.

UR - https://www.scopus.com/pages/publications/85042533139

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DO - 10.1049/el.2017.4348

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VL - 54

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JO - Electronics Letters

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ER -

Circularly polarised MIMO ground radiation antennas for wearable devices

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