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We propose a built-in hepta-band monopole antenna that uses a uniquely shape ground plane for wireless mobile terminals. The proposed antenna consists of a triple-band monopole radiating element, as well as a parasitic element with a slit-taper-shaped ground plane to broaden the bandwidth. The antenna was designed and simulated with the FDTD method. Simulation results show that the slit improves antenna...
This paper presents beam shaping performance of beam adjustable microstrip antenna arrays (BA-MSAAs) with narrow-with rectangular patch elements. The BA-MSAA consists of a central patch element fed by a feeding line and two parasitic patches with variable reactance circuits (VRCs) adjacent to the center patch. Radiation pattern of the BA-MSAA is controlled by the reactance values of the VRCs. In order...
This paper proposed a microstrip antenna with the operating bands of LTE700, LTE900 and LTE1800 for mobile device applications. This antenna was printed using FR-4 substrate material. The overall dimension of the antenna is 135 mm × 32 mm × 1.6 mm with 50 Ω impedance. The usage of ground plane can generate resonant modes to expand the bands at low frequency. Operating frequency bands of the antenna...
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