A novel meta-dielectric resonator antenna demonstrates a 36% impedance bandwidth in a 4x4 array, highlighting its potential for wireless communication systems.
A novel wideband meta-dielectric resonator antenna (MDRA) is presented in this paper. Metamaterial technology is introduced to broaden the impedance bandwidth of the DRA. The proposed MDRA comprises a 4×4 array of subwavelength meta-dielectric resonator cuboids (0.096λ0×0.096λ0×0.116λ0, where λ0 denotes the free space wavelength at the center frequency) fed by a microstrip-slot configuration. The proposed MDRA achieves a wideband -10 dB impedance bandwidth of 36% (1.88-2.71 GHz) with a stable radiation pattern. Due to its advantages of low profile, simple structure, wide bandwidth and stable radiation pattern, the MDRA may be applied to the wideband wireless communication systems.
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Jiang et al. (2025) studied this question.
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