Abstract
ABSTRACTA reconfigurable triangular patch antenna with polarization diversity is proposed. The proposed switchable antenna is composed of a coaxially fed corner‐truncated equilateral triangular patch, two small parasitic triangular patches in the vicinity of the truncated corners, two PIN diodes as switches placed between the truncated corners of the patch and parasitic small patches, two RF choke inductors, and dc bias lines for practical design. The antenna has four different radiation modes depending on the on‐off states of the diodes: high‐frequency linear polarization, low‐frequency linear polarization, left‐hand circular polarization, and right‐hand circular polarization. The proposed reconfigurable antenna is designed to operate in the 2.4‐GHz industrial, scientific, and medical band for wireless communication applications such as wireless local area networks and global positioning systems. © 2015 Wiley Periodicals, Inc. Microwave Opt Technol Lett 57:1908–1912, 2015
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