ANTENA MIMO-UWB 4X4 DUAL BANDS NOTCHED DENGAN MENGGUNAKAN METODE EBG DAN SLITS

Wahdina Jamil, Firdaus Nursal, Yulindon yulindon

Abstract


In this paper, a Multiple-Input-Multiple-Output (MIMO) antenna that can work in Ultra-Wideband (UWB) technology is presented. The antenna can work in frequencies of 3.1-10.6 GHz, has dual bands notched, and in small dimensions at once. The antenna is made in size 34 x 34 x 1.6 mm using a 4-element planar monopole antenna with L-shape and C-shape slits on the radiator. This antenna research was designed and simulated using CST Studio Suite 2019. The design results were fabricated for testing through a Vector Network Analyzer and Anechoic Chamber. The ground plane on the rhombic slot-shaped antenna by utilizing the slot on the antenna radiator produces notched bands from simulations at 3.39-3.64 GHz (WiMAX) and 4.57-5.82 GHz (WLAN). The fabricated antenna has a bandwidth impedance value through S11 <-10 dB in the range of 2.7-12 GHz, including the frequencies of the generated notched bands. With the resulting mutual coupling < -16.51 dB in the measurements of the fabricated antenna and the resulting bandwidth impedance reaching -50 dB at a frequency of 3.05 GHz. This UWB MIMO antenna produces Envelope Correlation Coefficient (ECC) < 0.4, forms an omni-directional radiation pattern, has a gain of 2.6 times at a frequency of 7.01 GHz, a consistent VSWR value of 1.6 at a frequency of 5.6-12 GHz outside of the resulting nocthed bands, and a Total Active Reflection Coefficient (TARC) that reaches -24 dB at a frequency of 7.2 GHz. The results of this paper can be an illustration in making UWB MIMO antennas that have dual bands notched with small dimensions and complex antenna performance that works well in UWB applications.

Keywords


UWB MIMO Antenna; Dual Bands Notched; 4 Elements; Small Dimension.

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References


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DOI: http://dx.doi.org/10.30630/jipr.19.1.342

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Published by Pusat Penelitian dan Pengabdian Kepada Masyarakat Politeknik Negeri Padang, Jurnal Ilmiah Poli Rekayasa| p-ISSN: 1858-3709 | e-ISSN : 2685-3922| DOI: 10.30630/jipr

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