A Wideband Printed Directional Antenna Array with Impedance Regulating Load

We proposed a broadband directional antenna array working at mobile communication frequency band, which achieves a relative bandwidth of 50.7%. This binary antenna array is fed by two branches of the balanced microstrip. To enhance the antenna bandwidth, we introduced a section of loading metal stri...

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Bibliographic Details
Published in:International journal of antennas and propagation 2014-01, Vol.2014 (2014), p.1-6
Main Authors: Dong, Jia-Xin, Tian, Yu, Jing, Li-Wen, Shu, Lin, Kang, Chun-Ying, Lu, Jia
Format: Article
Language:English
Subjects:
Aircraft accidents & safety
Antenna arrays
Antennas
Bandwidth
Directional antennas
Epoxy resins
Frequency bands
Gain
Microelectronics
Noise levels
Wideband
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Summary:We proposed a broadband directional antenna array working at mobile communication frequency band, which achieves a relative bandwidth of 50.7%. This binary antenna array is fed by two branches of the balanced microstrip. To enhance the antenna bandwidth, we introduced a section of loading metal strip. The antenna prototype has a S 11 lower than −10 dB within the 1.5 GHz to 2.52 GHz frequency band, particularly from 2.01 GHz to 2.50 GHz, the S 11 is lower than −15 dB. The gain varies with relatively small variation within the working band, which is 5.4 dBi to 8.7 dBi.
ISSN:1687-5869
1687-5877
DOI:10.1155/2014/830629