Improved Prediction of the Wideband Beam Pattern Shape of Antenna Array based on Infinitesimal Dipole Modeling

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An improved prediction of the wideband beam patterns of an antenna array is proposed based on the active element pattern method and infinitesimal dipole (ID) modeling. In the conventional method, the gain of an antenna array can be easily analyzed. However, the prediction of the shape of the beam pattern is limited due to the usage of the slow-varying assumption and the scaling factor. On the contrary, the proposed method uses the free-space dyadic Green's function, which varies for frequencies and all ID elements. By eliminating the slow-varying assumption and the scaling factor, the proposed method, predicting the shape of the beam pattern of an antenna array, is more accurate than the conventional method. The proposed method was verified by the wideband beam synthesis problem for a seven-patch antenna array.
Publisher
Institute of Electrical and Electronics Engineers (IEEE)
Issue Date
2018-12
Language
English
Article Type
Article
Citation

IEEE Antennas and Wireless Propagation Letters, v.17, no.12, pp.2309 - 2313

ISSN
1536-1225
DOI
10.1109/lawp.2018.2873715
URI
http://hdl.handle.net/10203/248699
Appears in Collection
EE-Journal Papers(저널논문)
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