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Circularly polarised MIMO ground radiation antennas for wearable devices

Title
Circularly polarised MIMO ground radiation antennas for wearable devices
Author
김형동
Keywords
antenna radiation patterns; wearable antennas; electromagnetic wave polarisation; MIMO communication; wireless LAN; antenna arrays; inductors; VHF antennas; circularly polarised MIMO ground radiation antenna; wearable device; polarisation diversity performance; MIMO WLAN application; inductor-loaded metal strip; circular polarisation generation; envelope correlation coefficient; bandwidth 140 MHz; bandwidth 100 MHz
Issue Date
2018-02
Publisher
INST ENGINEERING TECHNOLOGY-IET
Citation
ELECTRONICS LETTERS, v. 54, no. 4, page. 189-190
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.
URI
https://digital-library.theiet.org/content/journals/10.1049/el.2017.4348https://repository.hanyang.ac.kr/handle/20.500.11754/117594
ISSN
0013-5194; 1350-911X
DOI
10.1049/el.2017.4348
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > ELECTRONIC ENGINEERING(융합전자공학부) > Articles
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