Abstract
This paper presents a metamaterial-inspired dual-band antenna with linearly polarization and circularly polarization. Two asymmetric meander lines act as the shunt inductance, and two slots act as series capacitance, which achieve composite right/left-hand (CRLH) resonant properties. The antenna is designed on a single layer substrate, which can realize zeroth-order resonance (ZOR) and first-order resonance (FOR). The −10dB impedance bandwidth and 3 dB axial-ratio (AR) bandwidth are increased. The total size of dual-band antenna is 0.22λ 0 ×0.238λ 0 . The proposed antenna provides a simple structure, compact size, high gain, dual frequency band for portable wireless communication.
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