A Design of 45-Degree Dual-Polarization Broadband Plane Station Antenna

A new broadband planar dual-polarization base station antenna is proposed, the antenna consists of two broadband plane coplanar base station antenna units, and so it has features of plane antenna. Two broadband plane station antenna units can, respectively, form double polarization in the direction....

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Bibliographic Details
Published in:International journal of antennas and propagation 2015-01, Vol.2015 (2015), p.1-9
Main Author: Jianming, Zhou
Format: Article
Language:English
Subjects:
Antennas
Bandwidth
Bandwidths
Broadband
Communications systems
Design
Electronic warfare
Gain
Noise levels
Planes
Polarization
Stations
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Summary:A new broadband planar dual-polarization base station antenna is proposed, the antenna consists of two broadband plane coplanar base station antenna units, and so it has features of plane antenna. Two broadband plane station antenna units can, respectively, form double polarization in the direction. We analyzed the relative positions between the two antenna units and their effects on the performances of the antenna, especially for the influence of isolation. Broadband antenna has the characteristics of the broadband station antenna, and bandwidth is also guaranteed. The measured results show that the antenna can obtain 45% relative bandwidth, and 30 dB isolation degree also can be got, and the radiation performance is also good. Measurement results confirmed that the antenna gain can be guaranteed among 48% relative bandwidth, 15 dB of gain is got among bandwidth of 1.69–2.78 GHz, the isolation degree of different polarization method can reach 30 dB, and the measurement gain of two polarization methods of antenna both can reach 8.5 dBi.
ISSN:1687-5869
1687-5877
DOI:10.1155/2015/297521