Design of MSRR-Loaded Dual-Band Dipole PCB Antennas

This paper is dedicated to the study of rectangular dipole antennas that are loaded by metamaterials inclusions to create multi-band behavior devoted for telecommunication applications. After introducing a theoretical point of view about RLC trap-loaded antennas, simulations are performed to validate the approach of dual bands centered at 1.5 and 2.4 GHz. The next step is to add metamaterial inclusions to obtain the same frequency performance. Four split ring resonators (SRRs) are first added on the two arms of the dipole antenna. Finally, the SRRs are replaced by four multi split ring resonators (MSRRs). The excellent performance obtained in SRR-loaded antenna is maintained with the MSRR since the omni-directional patterns are conserved.