E-viri
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Guan, Dong-Fang; You, Peng; Zhang, Qingfeng; Lu, Zhong-Hao; Yong, Shao-Wei; Xiao, Ke
IEEE antennas and wireless propagation letters, 01/2017, Letnik: 16Journal Article
In this letter, a wide-angle beam-scanning antenna with circular polarization (CP) characteristic is proposed. The antenna consists of two layers. Microstrip spoof surface plasmon polariton (SPP) is introduced on the bottom layer as a slow-wave feeding line. A series of circular patches are placed on the top layer as radiating elements. Simulated and measured results indicate that beam-scanning angle of the proposed antenna is improved and CP beam-scanning ability is obtained by introducing perturbation on the radiating elements. In the operating band of 11-15 GHz, measured scanning angle of the fabricated antenna is from -32° to +34°. The antenna axial ratio (AR) is below 3 dB at the corresponding beam direction, and gain is above 12.8 dBi over the whole band. It has potential applications in radar and wireless communication systems for simple structure, low-cost fabrication, wide beam-steering, and CP properties.
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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