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As the simple structure, Monopole antenna has been widely used in various communication systems. However, the narrow bandwidth of the monopole antenna always restricted their applications. The article presents a method to improve the bandwidth of the monopole antenna with graded multi-layer metal slabs. The measured results of the proposed monopole antenna show wide bandwidth between 2.9GHz and 3...
A waveguide-fed circularly polarized corrugated antipodal tapered slot antenna (ATSA) working in the Ka band (26.5∼40 GHz) is proposed in this paper. The exponential tapering shape is adopted to maintain the consistency of the antenna's beam-width. In addition, the corrugation structure along the edges of ATSA is particularly designed to improve the axial ratio and cross polarization properties of...
Operating as the sensor of the body centric wireless network, the wearable flexible antenna has become an important component of the fourth generation mobile communication (4G). Based on the design requirements of the wearable flexible antenna, a antenna with low profile, light weight, and easy processing technique is presented. The proposed antenna was designed on the thin microwave substrate with...
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