Progress In Electromagnetics Research
ISSN: 1070-4698, E-ISSN: 1559-8985
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By V.-A. Nguyen, R. S. Aziz, S.-O. Park, and G. Yoon

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A novel multiband, dual-polarization, beam-switched dual-antenna design, covering some LTE and WLAN bands, has been proposed for indoor base stations. The proposed design consists mainly of dual modified monopole antennas. The horizontal antenna consists of four printed monopole elements, and the control circuit using p-i-n diodes has been implemented for feeding to each monopole element. The vertical monopole antenna beam patterns are controlled by reconfigurable frequency selective reflectors (RFSR) technique. The p-i-n diodes have been utilized for switching mechanism to feed the four RFSR. The measured and simulated results indicate that the antenna system possesses multiband and dual polarization. It has been observed from the simulated and measured reflection coefficients |S11| that the presented dual antenna system supports both LTE (1.7-2.1 GHz) and WLAN (2.5 GHz and 5.8 GHz) band frequencies. Moreover, the radiation characteristics show dual-polarization behaviors of the presented antenna system and beam switching states suitable for small cell indoor-base stations.

V.-A. Nguyen, R. S. Aziz, S.-O. Park, and G. Yoon, "A Design of Multiband, Dual-Polarization, Beam-Switchable Dual-Antenna for Indoor Base Stations," Progress In Electromagnetics Research, Vol. 149, 147-160, 2014.

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