Abstract
This paper presents a compact Multiple Input Multiple Output antenna with high isolation and low envelope correlation (ECC) for fifth-generation applications using spatial diversity technique. The proposed MIMO antenna consists of two single antennas, each having size of 13 × 12.8 mm2, symmetrically arranged next to each other. The single and MIMO antennas are simulated and analyzed. To verify the simulated results, the prototype antennas were fabricated and measured. A good agreement between measurements and simulations is obtained. The proposed antenna covers the 28 GHz band (27.5–28.35 GHz) allocated by the FCC for 5G applications. Moreover, the isolation is more than 35 dB and the ECC is less than 0.0004 at the operating band, which means that the mutual coupling between the two elements is negligible. The MIMO parameters, such as diversity gain (DG), total active reflection coefficient (TARC), realized gain, and efficiency, are also studied. Thus, the results demonstrate that our antenna is suitable for 5G MIMO applications.
Highlights
Fifth generation (5G) has attracted a lot of attention from researchers. is generation is different from the previous ones: it is interested in the world of mobile telephony and addresses other sectors that have an impact on our daily life, such as energy, health, media, transport, and industry. 5G is announced as the true enabler of the Industry 4.0, which is considered to be the fourth industrial revolution technology [1]
A two-port, multiple-input, multipleoutput antenna with high isolation and low correlation for 5G applications was presented. is antenna is a symmetrical arrangement of two single antennas having a compact size of 12.8x13x1.6 mm3
A good agreement is obtained between measurements and simulations. e measured bandwidths of the proposed antennas cover the 28 GHz band (27.5–28.35 GHz) allocated by the Federal Communications Commission for 5G applications. e isolation between the two elements of the MIMO antenna is 41.36 dB at the resonant frequency
Summary
Fifth generation (5G) has attracted a lot of attention from researchers. is generation is different from the previous ones: it is interested in the world of mobile telephony and addresses other sectors that have an impact on our daily life, such as energy, health, media, transport, and industry. 5G is announced as the true enabler of the Industry 4.0, which is considered to be the fourth industrial revolution technology [1]. 5G has the objective of changing the world by connecting everything to everything To meet these aims, it is necessary to attain high speed, which is one of the important characteristics of 5G that have been established by the International Telecommunication Union (ITU). It is necessary to attain high speed, which is one of the important characteristics of 5G that have been established by the International Telecommunication Union (ITU) In this context, 3GPP (3rd Generation Partnership Project) Release 15 introduces 5G technology to meet the declared ITU-2020 objectives including higher spectral efficiency, greater numbers of users, reduced end-to-end latency, higher device connection densities, prolonged device battery life, thousand-fold system capacity, hundredfold energy efficiency, ultrahigh data rate, and ultrawide radio coverage [2, 3]. The proposed antenna is a good candidate for MIMO applications and suitable for use in 5G cellular mobile communication
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