Quad-Band MIMO Antenna System for 5G Mobile Handsets

El-Hassan, M. Abo; Farahat, Asmaa E.; Hussein, Khalid F. A.

doi:10.13052/2021.aces.j.361105

Cited by 4 publications

(3 citation statements)

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“…The work of [14] introduces a compact four-port MIMO antenna with high isolation and a single wideband for mm-Wave Applications. In [15] and [16], quad-band (28/45/51/ 56 𝐺𝐻𝑧) two-port and four-port MIMO antenna systems are proposed for 5G mobile communications. The work of [17] proposes a dual-band (28/38 GHz) four-port MIMO antenna system for 5G mobile communications for efficient Estimation of the directional of arrival in noisy communication channels.…”

Section: Design Of the Quad-band Single-element Antennamentioning

confidence: 99%

Quad-band Compact MIMO Antennas for 5G Mobile Communications

Farahat

Hussein

2023

ACES Journal

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Three types of quad-band millimetric-wave two-port MIMO antenna systems are proposed for the forthcoming generations of mobile handsets. A novel printed antenna is introduced to be the single element of the proposed MIMO antennas. It is shown that the proposed MIMO antennas are capable of producing both spatial and polarization diversities that enhance the performance of mobile communications. Two configurations of co-polarized two-port MIMO antennas are proposed to provide spatial diversity, whereas a cross-polarized two-port MIMO antenna is proposed to produce polarization diversity. It is shown that all the proposed MIMO antennas can operate efficiently over the four frequency bands centered at 28, 43, 52, and 57 GHz. Prototypes are fabricated for the proposed MIMO antennas for the sake of experimental evaluation. The measurements agree with the simulation results showing high performance of the proposed types of MIMO antennas including the impedance matching, radiation patterns, envelop correlation coefficient, and diversity gain. Both the experimental and simulation results show that the achieved bandwidths, at the four operational frequency bands, are 0.6, 0.6, 1.8, and 1.5 GHz, respectively. Also, the radiation efficiencies calculated at the four operational frequencies are 86.5%, 87.5%, 89.2%, and 90.0%, respectively. The dimensions and the results concerning the performance of the proposed MIMO antennas are compared to other designs for MIMO antennas available in some recently published work.

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Section: Design Of the Quad-band Single-element Antennamentioning

confidence: 99%

Quad-band Compact MIMO Antennas for 5G Mobile Communications

Farahat

Hussein

2023

ACES Journal

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“…The implementation of an L-shaped monopole and annular rings on the patch, along with a rectangular shaped slot on the bottom plane, and the utilization of orthogonal polarization, have been found to effectively mitigate mutual coupling, as reported in reference [20]. The use of the capacitively coupled approach has been employed to enhance isolation, as indicated by reference [21]. A cylindrical dielectric resonator with a two-layer substrate structure is utilized in order to enhance envelope correlation and gain, as stated in reference [22].…”

Section: Introductionmentioning

confidence: 99%

Design of a Modified MIMO Antenna Based on Tweaked Spherical Fractal Geometry for 5G New Radio (NR) Band N258 (24.25–27.25 GHz) Applications

Bisht,

Malik,

Das

et al. 2023

Fractal Fract

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This article describes a fractal-based MIMO antenna for 5G mm-wave mobile applications with micro-strip feeding. The proposed structure is a fractal-based spherical configuration that incorporates spherical slots of different iterations on the patch, as well as rectangular slots on the ground plane. These additions are meant to reduce patch isolation. The two-element MIMO antenna has closely spaced antenna elements that resonate at multiple frequencies, 9.5 GHz, 11.1 GHz, 13.4 GHz, 15.8 GHz, 21.1 GHz, and 26.6 GHz, in the frequency range of 8 to 28 GHz. The antenna’s broadest operational frequency range spans from 17.7 GHz to 28 GHz, encompassing a bandwidth of 10,300 MHz. Consequently, it is well-suited for utilization within the millimeter wave (mm wave) application, specifically for the 5G new radio frequency band n258, and partially covers some other bands X (8.9–9.9 GHz, 10.4–11.4 GHz), and Ku (13.1–13.7 GHz, 15.4–16.2 GHz). All the resonating bands have isolation levels below the acceptable range of (|S12| > −16 dB). The proposed antenna utilizes a FR4 material with dimension of 28.22 mm × 44 mm. An investigation is conducted to analyze the effectiveness of parameters of the antenna, including radiation pattern, surface current distributions and S parameters. Furthermore, an examination and assessment are conducted on the efficacy of the diversity system inside the multiple input multiple output (MIMO) framework. This evaluation encompasses the analysis of key performance metrics such as the envelope correlation coefficient (ECC), diversity gain (DG), and mean effective gain (MEG). All antenna characteristics are determined to be within a suitable range for this suggested MIMO arrangement. The antenna design underwent experimental validation and the simulated outcomes were subsequently verified.

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“…The work of [14] introduces a compact four-port MIMO antenna with high-isolation and single wideband for mm-Wave Applications. In [15] and [16], quad-band (28/45/51/56 GHz) two-port and four-port MIMO antenna systems are proposed for 5G mobile communications. The work of [17] proposes a dual-band (28/38 GHz) fourport MIMO antenna system for 5G mobile communications for efficient Estimation of the directional of arrival in noisy communication channels.…”

Section: Introductionmentioning

confidence: 99%

Millimetric-Wave Quad-Band Mimo Antennas for Future Generations of Mobile Communications

Abo-Elhassan¹,

Farahat²,

Hussein³

2022

PIER B

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Two types of quad-band millimetric-wave four-port MIMO antenna systems are proposed for the forthcoming generations of mobile handsets. A novel printed antenna is introduced to be the single-element of the MIMO antenna system. It is shown that the proposed MIMO antennas are capable to produce both spatial and polarization diversities that enhance the performance of mobile communications. A co-polarized four-port MIMO antenna is proposed to provide spatial diversity whereas another cross-polarized four-port MIMO antenna is proposed to produce both spatial and polarization diversities. It is shown that the two types of MIMO antennas can operate efficiently over the four frequency bands centered at 28, 43, 52, and 57 GHz. Prototypes are fabricated for the proposed MIMO antennas for the sake of experimental evaluation. Both the experimental and simulated results show that the achieved bandwidths, at the four operational frequency bands, are 0.6, 0.6, 1.8, and 1.5 GHz, respectively. Also, the radiation efficiencies calculated at the four operational frequencies are 86.5%, 87.5%, 89.2%, and 90.0%, respectively. The dimensions and the results concerning the performance of the proposed MIMO antennas are compared to those of other designs for MIMO antennas available in some recently published work.

show abstract

Quad-Band MIMO Antenna System for 5G Mobile Handsets

Cited by 4 publications

References 0 publications

Quad-band Compact MIMO Antennas for 5G Mobile Communications

Quad-band Compact MIMO Antennas for 5G Mobile Communications

Design of a Modified MIMO Antenna Based on Tweaked Spherical Fractal Geometry for 5G New Radio (NR) Band N258 (24.25–27.25 GHz) Applications

Millimetric-Wave Quad-Band Mimo Antennas for Future Generations of Mobile Communications

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