Wide band high selective compact metamaterial antenna for 2 GHz wireless applications

This paper presents a new compact, wide band and high selective, metamaterial antenna for 2 GHz wireless applications. The proposed antenna is designed using metamaterial half wave length stepped impedance resonator. The antenna is centred at 2.1 GHz with 21% fractional bandwidth and wide/high selective harmonics rejection in the frequencies up to 4 GHz. The antenna's radiator length is 18 mm which introduces 50% length reduction compared to narrow band microstrip patch antenna. The design procedures of the proposed antenna are discussed. The antenna's performance is examined in terms of full wave simulation and experimental measurements.