Eur. Phys. J. Appl. Phys.
Volume 73, Number 1, January 2016
Advanced Electromagnetics Symposium (AES)
|Number of page(s)||6|
|Section||Surfaces and Interfaces|
|Published online||26 January 2016|
An UWB antenna with metamaterial cladding in S/C-band*
Key Laboratory of Cognitive Radio and Information Processing (Guilin University of Electronic Technology),Ministry of Education, Guilin
541004, P.R. China
2 Guangxi Experiment Center of Information Science, Guilin University of Electronic Technology, Guilin 541004, P.R. China
a e-mail: firstname.lastname@example.org
Revised: 9 November 2015
Accepted: 23 December 2015
Published online: 26 January 2016
A compact and easy fabricated ultra-wideband antenna is proposed in this paper. It comprised of a monopole antenna and a single-side I-shaped structure (ISS) metamaterial (MM) cladding. The monopole itself resonates at 2.4 GHz and presents capacitive impedance at 4.8 GHz. The MM cladding resonates at the first frequency and acts as an inductive element at the second. The higher resonance frequency of 4.8 GHz can be efficiently produced without affecting the monopole resonance. By the ISS MM cladding, the impedance match bandwidth (i.e., |S11| ≤ −10 dB) of the proposed antenna is broadened to 1.98–5.80 GHz (a part of the S/C-band). In addition, the dynamic range of the main lobe directions is only about 17° and the gains are greater than 3.8 dBi over the entire band. The simulations and measurements are in a good agreement. Therefore, the proposed antenna is so charming for the extensive applications in wireless communication community.
© EDP Sciences, 2016
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