Alja’Afreh, Saqer S, Huang, Yi 
ORCID: 0000-0001-7774-1024 and Jiang, Kai
(2022)
A Coplanar Waveguide-Fed Ultra-Wideband Antenna with Single-Band Notched Characteristic Using Epsilon-Negative Loading.
International Review of Electrical Engineering (IREE), 17 (6).
p. 618.
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Abstract
There is a lot of research being done on ultra-wideband antennas with band-rejection characteristics; such antennas are used in applications such as the internet of things and indoor tracking and localization. This paper presents a single-layer, Coplanar Waveguide (CPW)-fed, epsilon negative (ENG)-loaded UWB monopole with a single band-rejection characteristic. The proposed antenna comprises two unit-cells that are designed and loaded into an S-shaped monopole strip antenna, which forms an open-end ENG-TL monopole antenna. A 10-dB return loss characteristic (3.1–12 GHz) is achieved by merging five resonances: the Zeroth-Order Resonance (ZOR), the First-Positive-Order Resonance (FPOR) of ENG-Transmission Line (TL), open-slot modes (λ⁄4, 3λ⁄4) and 5λ⁄4 mode of a shorted monopole. A single-band notch characteristic is achieved between 3.4 and 3.8 GHz by deploying two pairs of radiating structures (two opposite open slots and two opposite L-shaped radiating strips). Opposing currents are excited in each pair, and therefore the total radiated field is cancelled at 3.5 GHz notched band. The proposed antenna is printed on a 1.6 mm thick FR4, single-sided copper substrate of dimensions 16 × 20 mm2. The fabricated prototype is tested, and both simulated and measured results showed that the proposed antenna represents a worthy state-of-the-art UWB antenna.
| Item Type: | Article |
|---|---|
| Divisions: | Faculty of Science and Engineering > School of Electrical Engineering, Electronics and Computer Science |
| Depositing User: | Symplectic Admin |
| Date Deposited: | 15 May 2023 07:25 |
| Last Modified: | 15 May 2023 07:25 |
| DOI: | 10.15866/iree.v17i6.22790 |
| Related URLs: | |
| URI: | https://livrepository.liverpool.ac.uk/id/eprint/3170345 |
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