Progress In Electromagnetics Research M
ISSN: 1937-8726
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By Y. Zhang, D. Wang, L. Zhang, and M. S. Tong

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A compact planar double inverted-F antenna (IFA) is proposed in this work. The antenna, composed of a shared short arm and two L-shaped open arms, has three operating bands, 1.7-1.9 GHz, 2.25-2.48 GHz and 5.33-5.8 GHz for Wi-Fi and LTE applications. It has the length of 80 mm, width of 23 mm and height of 1.6 mm. Near omnidirectional coverage of radiation patterns in x-y and x-z plane, are realized with peak gain of 3.3 dBi, 2.1 dBi and 4.1 dBi at 1.8 GHz, 2.4 GHz and 5.5 GHz, respectively. Based on reflection coefficients with different dimensions and current distributions, the functions of arms and via holes are analyzed in detail, which provide a useful guidance for design of multiband PIFA antennas.

Y. Zhang, D. Wang, L. Zhang, and M. S. Tong, "A Modi Ed Planar Inverted-F Antenna with Triple-Band for Wi-Fi and LTE Applications," Progress In Electromagnetics Research M, Vol. 73, 173-181, 2018.

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