Gupta, Poulomi ; Guha, Debatosh ; Kumar, Chandrakanta (2020) Higher mode‐based wideband antenna design using an engineered cylindrical dielectric resonator IET Microwaves, Antennas & Propagation, 14 (4). pp. 241-246. ISSN 1751-8733
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Official URL: http://doi.org/10.1049/iet-map.2019.0605
Related URL: http://dx.doi.org/10.1049/iet-map.2019.0605
Abstract
A new design mechanism has been explored to realise a single higher mode driven wideband dielectric resonator antenna (DRA). It targets an aperture coupled cylindrical DRA to operate in HEM 11Δ mode, which indeed is a first-order repetitive form of HEM 11 δ mode. Innovative engineering has been realised on the DRA body as a mode-filtering technique to maintain the modal purity and hence, the radiation uniformity. A C-band prototype has been experimentally verified indicating as much as 24% impedance bandwidth with 8.5 dBi maximum gain. This design appears commercially viable and superior to the earlier, higher mode based developments, especially in terms of gain, but without involving any additional cost, weight, or design complexity.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to The Institution of Engineering and Technology. |
| ID Code: | 117234 |
| Deposited On: | 21 Apr 2021 12:23 |
| Last Modified: | 21 Apr 2021 12:23 |
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