Abstract
The isolation between the microstrip patches has a great significance to examine the performance of the multiple-input-multiple-output (MIMO) antennas. The patch antennas are placed on the top of 1.46 mm thick Rogers RO3003 substrate having a length of 60 mm, a width of 50 mm, and relative permittivity of 3. The distance between the resonators is 0.06λ and they are stimulated by two coaxial probes extended from the bottom ground layer. The defective ground structure of the H-shape slot is inserted on the bottom ground layer to achieve high isolation (mutual coupling reduction). The proposed MIMO antenna operates at 5.3 GHz frequency, which can be used for WiMAX, Wi-Fi, and future 5G services all over the world. The results of the designed structure have been simulated in a finite element method-based solver high-frequency structure simulator (HFSS). The simulated results show that the reflection coefficient (S11) and isolation (S21) at the desired frequency are −32 dB and −41 dB, respectively.
Highlights
With the fast speed development experienced in wireless communication technology, there is an ever-increasing requirement for the high performance of moveable handheld applications, which mainly comprise very high data rates
The general fact is that the signal will travel having a low frequency
The results resultsofofthe theproposed proposed antenna have been simulated in a finite element method-based high-frequency structure simulator (HFSS)
Summary
With the fast speed development experienced in wireless communication technology, there is an ever-increasing requirement for the high performance of moveable handheld applications, which mainly comprise very high data rates. An upcoming generational telecommunication standard, 5G, is projected to have data rates of 10 megabits per second up to 10 gigabits [1,2]. 300 GHz. The unlicensed wireless Ethernet links and licensed microwave bridges usually operate in the super high frequency (SHF) with frequencies between 3 GHz to 30 GHz and the EHF bands. The link of the frequencies of licensed microwaves used for wireless backhaul networking a point to point connection works at 6 GHz, 11 GHz, 18 GHz, and 23
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