Ground radiation method using slot with coupling capacitors

An innovative antenna radiation method for exciting a dipole-type radiation mode in the ground plane of mobile devices is proposed. This method is based on a capacitively loaded slot placed at the centre of the ground plane. The ground plane is 50 × 15 mm in length and width, respectively, which is...

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Bibliographic Details
Published in:Electronics letters 2013-03, Vol.49 (7), p.447-448
Main Authors: Liu, Y, Lee, J, Kim, H.H, Kim, H
Format: Article
Language:English
Subjects:
antenna radiation method
antenna radiation patterns
Antennas
Antennas and propagation
Applied sciences
bandwidth 2.4 GHz
Bluetooth frequency bands
capacitive loaded slot
capacitors
Circuit properties
coupled circuits
coupling capacitors
dipole‐type radiation mode
Electric, optical and optoelectronic circuits
Electronics
Exact sciences and technology
ground plane
ground radiation method
headsets
loss ‐10 dB
Microwave circuits, microwave integrated circuits, microwave transmission lines, submillimeter wave circuits
mobile antennas
mobile devices
Radiocommunications
slot antennas
Telecommunications
Telecommunications and information theory
USB dongles
WiMax frequency bands
Wi‐Fi frequency bands
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Summary:An innovative antenna radiation method for exciting a dipole-type radiation mode in the ground plane of mobile devices is proposed. This method is based on a capacitively loaded slot placed at the centre of the ground plane. The ground plane is 50 × 15 mm in length and width, respectively, which is the size typically used in USB dongles and headsets. The −10 dB impedance bandwidth is 12.9% at 2.4 GHz, fully covering the WiMax, Wi-Fi and Bluetooth frequency bands.
ISSN:0013-5194
1350-911X
1350-911X
DOI:10.1049/el.2012.4520