Compact ultrawideband MIMO dielectric resonator antennas with WLAN band rejection

A new compact configuration of ultrawideband (UWB) multiple-input–multiple-output (MIMO) dielectric resonator antennas (DRAs) with wireless local area network (WLAN) band rejection is proposed. The antenna arrangement consists of two identical inserted rectangular DRAs excited by two microstrip feed...

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Published in:IET microwaves, antennas & propagation antennas & propagation, 2017-09, Vol.11 (11), p.1524-1529
Main Authors: Abedian, Mohammad, Rahim, Sharul Kamal Abdul, Fumeaux, Christophe, Danesh, Shadi, Lo, Yew Chiong, Jamaluddin, Mohamad Haizal
Format: Article
Language:English
Subjects:
antenna arrangement
antenna feeds
compact ultrawideband MIMO dielectric resonator antennas
dielectric resonator antennas
identical inserted rectangular DRA
impedance bandwidth
low envelope correlation coefficient
L‐shaped parasitic strips
microstrip feeds
MIMO communication
multiple‐input–multiple‐output
mutual coupling
Research Article
ultra wideband antennas
UWB MIMO DRA
wireless LAN
wireless local area network
WLAN band rejection
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cited_by cdi_FETCH-LOGICAL-c3683-b6fac7fcac00adef0331ad2d69ce64aa29dbd1a93b626d9f1c880cd51ecda2bd3
cites cdi_FETCH-LOGICAL-c3683-b6fac7fcac00adef0331ad2d69ce64aa29dbd1a93b626d9f1c880cd51ecda2bd3
container_end_page 1529
container_issue 11
container_start_page 1524
container_title IET microwaves, antennas & propagation
container_volume 11
creator Abedian, Mohammad
Rahim, Sharul Kamal Abdul
Fumeaux, Christophe
Danesh, Shadi
Lo, Yew Chiong
Jamaluddin, Mohamad Haizal
description A new compact configuration of ultrawideband (UWB) multiple-input–multiple-output (MIMO) dielectric resonator antennas (DRAs) with wireless local area network (WLAN) band rejection is proposed. The antenna arrangement consists of two identical inserted rectangular DRAs excited by two microstrip feeds, with an overall compact size of 29 × 29 × 5 mm3. To enhance isolation and improve impedance bandwidth, a stub connected to the ground is added to the bottom plane of the substrate. Further, to reduce interferences with WLAN systems, two L-shaped parasitic strips connected to the dielectric resonators are added to create a band rejection between 4.98 and 6.08 GHz. The measurement results demonstrate that the proposed DRAs achieve satisfactory MIMO UWB performance, with an impedance bandwidth of around 106% excluding a rejection band for WLAN, low mutual coupling and a low envelope correlation coefficient across the whole desired frequency band.
doi_str_mv 10.1049/iet-map.2016.0299
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source Wiley Online Library Open Access
subjects antenna arrangement
antenna feeds
compact ultrawideband MIMO dielectric resonator antennas
dielectric resonator antennas
identical inserted rectangular DRA
impedance bandwidth
low envelope correlation coefficient
L‐shaped parasitic strips
microstrip feeds
MIMO communication
multiple‐input–multiple‐output
mutual coupling
Research Article
ultra wideband antennas
UWB MIMO DRA
wireless LAN
wireless local area network
WLAN band rejection
title Compact ultrawideband MIMO dielectric resonator antennas with WLAN band rejection
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