Dual-band microstrip patch antenna loaded with complementary split ring resonator for WLAN applications

Abstract

In this paper, Inset Feed Slotted Rectangular Microstrip patch antenna using a metamaterial based Complementary Split Ring Resonator (CSRR) is designed for operating in dual band frequency range of 2.4–5.8 GHz. The microstrip antenna is designed over a FR4 epoxy substrate with an inset feed microstrip line geometry. To obtain desired dual band and radiation characteristics of the proposed antenna a CSRR is etched in the ground plane. The CSRR structure is used to obtain the dual band characteristics. The resonating frequency of the proposed design is suitable for Wide Local Area Network (WLAN) application. The proposed design is simulated in High Frequency Structural Simulator (HFSS) software. The return loss obtained for both the operating frequency is -26 dB.