Wideband Dual-Polarization Patch Antenna Array With Parallel Strip Line Balun Feeding

Jin Zhang, Xianqi Lin, Liying Nie, Jiawei Yu, Yong Fan

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

25 Citationer (Scopus)

Abstrakt

A wideband dual-polarization patch antenna array is proposed in this letter. The array is fed by a parallel strip line balun, which is adopted to generate 180° phase shift in a wide frequency range. In addition, this balun has simple structure, very small phase shift error, and good ports isolation. The working band of the antenna array is from 1.88 to 2.9 GHz with a relative bandwidth of 41.7%. The height of the antenna array is only 0.144λ, and the cross polarization is below -20 dB. Two feeding ports are presented, which correspond to two orthogonal linear polarization. The isolation between the ports is higher than 30 dB. The simulation and measurement turns out to be similar. This antenna array can be used in TD-LTE base stations, and the design methods are also useful to other wideband microstrip antennas.
OriginalsprogEngelsk
TidsskriftIEEE Antennas and Wireless Propagation Letters
Vol/bind15
Sider (fra-til)1499-1501
ISSN1536-1225
DOI
StatusUdgivet - 2016
Udgivet eksterntJa

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