Abedian, Mohammad and Abdul Rahim, Sharul Kamal and Danesh, Shadi and Hakimi, Shayan and Cheong, L. Y. and Jamaluddin, Mohd. Haizal (2015) Novel design of compact UWB dielectric resonator antenna with dual-band-rejection characteristics for WiMAX/WLAN bands. Ieee Antens And Wireless Propagation Letters, 14 . pp. 245-248. ISSN 1536-1225
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Official URL: http://dx.doi/org/10.1109/LAWP.2014.2360828
Abstract
A novel compact dual band-notched dielectric resonator antenna (DRA) for ultrawideband (UWB) applications is proposed. Here, the bandwidth enhancement and the first band notch is realized by embedding a stub that is located to the hollow center of a U-shaped feedline simultaneously. By etching an inverted T-shaped parasitic strip at the back plane of an antenna that is surrounded by a dielectric resonator (DR), the second band rejection is created. By cutting a slot at the proper position on the ground plane, the width of the second band notch is controlled. The proposed antenna size is 12 × 30 × 6mm3 or about 0.124 ? × 0.31 ? × 0.062 ? at 3.1 GHz. The measurement results demonstrate that the proposed DRA provides acceptable radiation performances such as an ultra-wide impedance bandwidth of around 122% with two sufficient band rejections in the frequency bands of 3.22-4.06 and 4.84-5.96 GHz, high radiation efficiency, and nearly constant gain.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | band-notched, compact, dielectric resonator antenna (DRA), ultrawideband (UWB) antenna |
| Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering |
| Divisions: | Electrical Engineering |
| ID Code: | 58656 |
| Deposited By: | Haliza Zainal |
| Deposited On: | 04 Dec 2016 04:07 |
| Last Modified: | 18 Aug 2021 00:10 |
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