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A Beam-Switching Antenna Array With Shaped Radiation Patterns

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3 Author(s)
Han Wang ; State Key Lab. of Microwave & Commun., Tsinghua Univ., Beijing, China ; Zhijun Zhang ; Zhenghe Feng

In this letter, a novel beam-switching array, which uses four patch elements to generate two anti-symmetric-shaped patterns, is proposed. Beam shaping is introduced into this design to realize a flat response in its two beams ±45° covering regions with less than ±0.55 dB fluctuation. A synthesis process is derived in detail, and a prototype, including the array and a planar feeding structure, is built and tested. The measurement result agrees well with the simulated one, which verifies the validity of the synthesis algorithm.

Published in:

Antennas and Wireless Propagation Letters, IEEE  (Volume:11 )