Compact MIMO Shorted Microstrip Antenna for 5G Applications
Автор: S.Murugan
Журнал: International Journal of Wireless and Microwave Technologies @ijwmt
Статья в выпуске: 1 Vol.11, 2021 года.
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The objective of the work is to design a compact MIMO antenna at 3.5 GHz suitable for 5G applications. MIMO antenna is suitable choice for increasing the signal to noise ratio of mobile communication systems. The channel capacity can be increased by improving signal to noise ratio. At the same time, high isolation between the elements should be maintained. Planar inverted F antenna (PIFA) is used as a unit element for MIMO antenna in this work. The unit element dimensions are 9.5 x 7 mm2. Two shorting pins are used for getting better impedance matching. Four elements are arranged in the FR4 substrate with dielectric constant 4.4 and thickness of 1.6 mm. The performance of 4 element Multiple Input Multiple Output (MIMO) antenna is optimized using HFSS software. The results show that the better impedance matching at desired frequency band and a gain of 4.2 dB in the bore-sight axis is obtained for the four elements. The gain of four element antenna is improved from - 0.52 dB to 4.2 dB than two element antenna. The isolation between the elements is obtained below -15 dB . The overall volume of the antenna is 25.3 x 26.8 x 1.6 mm3, which ensures compactness suitable for mobiles.
Shorting pin, Coaxial feed, 5G application, MIMO
Короткий адрес: https://sciup.org/15017664
IDR: 15017664 | DOI: 10.5815/ijwmt.2021.01.03
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