Abstract
In this paper, a miniaturized ELC (Electric-inductive-capacitive) based dual-band antenna is proposed for WiMAX and WLAN Applications. The designed antenna consists of a ring monopole antenna coupled with ELC resonator and partial rectangular ground plane, which is fed by 50Ω microstrip transmission line. ELC metamaterial modifies the current direction and yields dual-band characteristics. The band characteristics of the ELC metamaterial element are explained in detail. The proposed antenna with a compact size of 30 \(\times\) 30 \(\times\) 0.8 mm3 is fabricated on a FR-4 substrate of thickness of 0.8 mm, with relative dielectric constant \({{\mathbf{\varepsilon }}_{\mathbf{r}}}\)= 4.4 and loss tangent \(\tan \varvec{\delta}\) = 0.002. The experimental results cover the bandwidth of 500 MHz (3.57–4.04 GHz) and 860 MHz (4.73–5.59 GHz) with a resonance frequency of 3.74 and 5.1 GHz, respectively, which is suitable for WiMAX and WLAN applications.
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Daniel, R.S., Pandeeswari, R. & Raghavan, S. Dual-band monopole antenna loaded with ELC metamaterial resonator for WiMAX and WLAN applications. Appl. Phys. A 124, 570 (2018). https://doi.org/10.1007/s00339-018-1985-7
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DOI: https://doi.org/10.1007/s00339-018-1985-7