volume | PIER Journals

Abstract

This paper describes a compact triple-band monopole antenna based on metamaterial inspired Open Complementary Split Ring Resonators (OCSRRs) for Wireless Local Area Network (WLAN) and Worldwide interoperability Microwave Access (WiMAX) applications. The monopole antenna with engraved ground plane is used to cover WLAN frequencies (2.67 GHz and 5.47 GHz). The resonant frequency of WiMAX (3.43 GHz) is achieved by introducing metamaterial inspired OCSRR in the monopole antenna. To realize good impedance matching, one more OCSRR is introduced in the monopole antenna. This paper includes the pass band characteristics of OCSRRs as well as negative permittivity details. The prototype antenna is fabricated on an FR-4 substrate having dimension of 29.4 × 26 × 1.6 mm³. Simulated and measured results are shown in good equivalence. The dipole radiation pattern is obtained in the elevation plane (E-Plane), and omnidirectional radiation pattern is obtained in the azimuthal plane (H-Plane). Parametric analysis of OCSRRs is studied to attain the best results. The proposed antenna has adequate advantages, including compact size, multiband, and impedance matching.

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Dr. Raphael Samson Daniel

Ms. Ramasamy Pandeeswari

Dr. Singaravelu Raghavan