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Wideband folded mushroom zeroth-order resonance antenna
- Authors
- Ko, Seung-Tae; Lee, Jeong-Hae
- Issue Date
- 29-Jan-2013
- Publisher
- INST ENGINEERING TECHNOLOGY-IET
- Citation
- IET MICROWAVES ANTENNAS & PROPAGATION, v.7, no.2, pp.79 - 84
- Journal Title
- IET MICROWAVES ANTENNAS & PROPAGATION
- Volume
- 7
- Number
- 2
- Start Page
- 79
- End Page
- 84
- ISSN
- 1751-8725
- Abstract
- In this study, a wideband folded mushroom zeroth-order resonance (ZOR) antenna is presented. To obtain a wide bandwidth, the frequency of the TM010 (lambda(0)/2) mode is down-shifted to the frequency of the ZOR mode by folding a mushroom structure without any additional structure. Thus, the folded mushroom antenna operates over two modes, resulting in a wide bandwidth. The antenna has a dimension of 0.365 lambda(0) x 0.247 lambda(0) x 0.182 lambda(0) at the centre frequency. Its 10 dB fractional bandwidth is measured as 68.3%. The maximum gains of 3.32 and 3.41 dBi are measured at the ZOR mode and the TM010 mode, respectively. Finally, the measured results show good agreements with the simulated results.
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Related Researcher
- Lee, Jeong Hae
- Engineering (Electronic & Electrical Engineering)