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A wideband omnidirectional dielectric resonator antenna (DRA) has been proposed. The simulated results show that the reflection coefficient of the DRA is less than −10dB in the frequency band of 1.61GHz-2.92GHz (57.8%), which can cover the 2G/3G/LTE bands simultaneously. In order to improve the omnidirectionality of the DRA array, a novel method to arrange the feeding coaxial cable is proposed. Based...
A printed log-periodic dipole antenna (PLDPA) with balanced feed structure is proposed. The traditional feeding structure using a single coaxial cable and feed lines with equal width will lead to an unbalanced current distribution, thus, the radiation pattern performances a frequency dependent deflection status. In this paper, we have modified the width of two feed lines to compensate the effect of...
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