Open AccessA DESIGN OF MULTIBAND, DUAL-POLARIZATION, BEAM-SWITCHABLE DUAL-ANTENNA FOR INDOOR BASE STATIONS
Author(s) -
Viet-Anh Nguyen,
Rao Shahid Aziz,
SeongOok Park,
Giwan Yoon
Publication year - 2014
Publication title -
electromagnetic waves
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.437
H-Index - 89
eISSN - 1559-8985
pISSN - 1070-4698
DOI - 10.2528/pier14073103
Subject(s) - dual (grammatical number) , base station , dual polarization interferometry , antenna (radio) , polarization (electrochemistry) , computer science , optics , electrical engineering , optoelectronics , electronic engineering , physics , telecommunications , engineering , art , chemistry , literature
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 modifled 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 reconflgurable frequency selective re∞ectors (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 re∞ection coe-cients jS11j that the presented dual antenna system supports both LTE (1.7{2.1GHz) and WLAN (2.5GHz and 5.8GHz) 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.
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