A Dual-Band Antenna Enabled Using a Complimentory Split Ring Resonator (CSRR) Placed in the Ground Plane
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The microstrip patch antenna is regarded as one of the key components for compact, low cost RF communications and wireless power techniques. In some instances, there are requirements that a system communicate on a different band than the wireless power harvesting band. To address these multi-frequency, a novel dual-band patch antenna enabled with complementary split ring resonators (CSRRs) is designed and fabricated. This antenna operates at 2.4Ghz and 915 MHz, and the antenna miniaturization is achieved by etching the complementary split ring resonators (CSRRs) in the ground plane. A prototype antenna is fabricated and tested, and measured results are in good agreement with simulations. Furthermore, the influence of the CSRR on the behavior of the antenna is also explored and discussed.