Abstract
A novel dual-polarized magneto-electric (ME) dipole antenna is proposed for mobile communication base station. The proposed antenna utilizes coaxial lines to feed the two pairs of magneto-electric (ME) dipoles and a rectangular box-shaped reflector to enhance its stability in radiation patterns and high gain over the operating frequency. The simulated results show that a common impedance bandwidth with standing-wave ratio (SWR) ≤1.5 is from 1.68 GHz to 2.71 GHz, and port-to-port isolation is larger than 27 dB within the bandwidth. The antenna gain varies from 8.5 to 11 dBi. As an important advantage, the input impedance of antenna can be controlled within certain limits by adjusting the configurations, thus the antenna can be fed directly by coaxial cables without using impedance transformers. Besides, the antenna structure is compact and simple.
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