Design of a compact dual-band MIMO antenna with high isolation for WLAN and X-band satellite by using orthogonal polarization

Dkiouak, Aziz; Zakriti, Alia; Ouahabi, Mohssine El

doi:10.1080/09205071.2019.1657504

Cited by 36 publications

(23 citation statements)

References 23 publications

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“…Polarization orthogonal elements [11], Electromagnetic band-gap (EBG) structure [12], Meanderline EBG [13], neutralization line [14,15], stubs [16,17,18], parasitic elements [19,20], shorting pin [21], metamaterials with neutralization lines [22], [23], slots or carbon black film [24] have been presented in the literature. In [11], a MIMO system with two antenna elements that achieve orthogonal polarization with dimensions of 27 × 21 mm2 and an isolation level of 22.5 dB has been presented. In [12], the authors presented quad-port double-side MIMO antenna.…”

Section: Introductionmentioning

confidence: 99%

Quad-Port MIMO Filtenna With High Isolation Employing BPF With High Out-of-Band Rejection

2022

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A quad-port multiple-input multiple-output (MIMO) filtenna with compact dimensions of 50 × 50 mm2 are configured, in which each element is placed orthogonally to its adjacent to enhance the isolation. The MIMO element is configured based on the novel COVID-19 virus shape with a co-planar waveguide feeding structure (CPW) and dimensions 17 × 22 mm2. The element bandwidth is ranging from 3.3 GHz to more than 60 GHz. Three frequency notches are designed at 3.5 GHz for WiMAX and 5.5 GHz for WLAN, and 8.5 GHz for X-band applications. A bandpass filter (BPF) with high out of band rejection is used as a decoupling structure (DS) to improve the isolation to more than 30 dB across most of the bandwidth. The equivalent circuit model is scrutinized to investigate the enactment of the decoupling structure. The proposed MIMO filtenna system provides an impedance bandwidth of 2.4-18 GHz, a peak gain of 13.2 dBi, and an envelope correlation coefficient (ECC) less than 0.00021. In turn, channel capacity loss does not exceed 0.2. The MIMO filtenna is fabricated and measured. Good agreement between the measured and simulation results is achieved.

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Section: Introductionmentioning

confidence: 99%

Quad-Port MIMO Filtenna With High Isolation Employing BPF With High Out-of-Band Rejection

2022

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“…With the wide and rapid development of modern wireless communication, antennas with multiband operation are greatly demanded in mobile wireless communication terminals. Recently, to satisfy the applications of WLAN standards (2.45/5.2/5.8 GHz) and WiMAX standards (2.8/3.8/5.5 GHz), various types of planar multiband antennas have been investigated due to their compactness, low-profile, lowcost, and convenient fabrication, such as parasitic antennas, fractal antennas, and slot antennas [1][2][3][4][5][6][7][8][9][10][11][12][13][14][15][16][17].…”

Section: Introductionmentioning

confidence: 99%

“…A low-cost fractal antenna loaded with parasitic edge coupled split ring resonators [4], a compact triple-band antenna for 2G, 3G, 4G, and sub-6 GHz 5G applications [5], and a Minkowski fractal-shaped loop antenna with a dielectric resonator [6] are presented, which have multiband performances and compact sizes. In [8][9][10][11][12][13][14][15][16][17], planar antennas adopt slot structures to operate at multiband frequencies. A monopole antenna with two identical split ring resonators employed on a defected ground to obtain 2.7, 4.3, and 4.7 GHz, respectively, is proposed in [8] with a dimension of 60 × 60 × 1.56 mm 3 .…”

Section: Introductionmentioning

confidence: 99%

A Multiband Compact Low-Profile Planar Antenna Based on Multiple Resonant Stubs

Jing¹,

Pang²,

Lin³

et al. 2020

PIER Letters

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A multiband compact low-profile planar antenna based on multiple resonant stubs is proposed and studied. By utilizing two pairs of stubs embedded on a defected ground, the reflection coefficient less than −10 dB can be achieved with broadband characteristic for applications of wireless local area network (WLAN) and worldwide interoperability for microwave access (WiMAX). Meanwhile, a pair of inserted slots on both sides of a curve slot is applied to the antenna design, which decreases the cross polarization. A multiband antenna is fabricated and measured to verify the design. The antenna is compact with operation frequencies for WLAN (2.45/5.2/5.8 GHz) and WiMAX (2.8/3.8/5.5 GHz) applications. The measured peak gains are 5.5, 4.4, 0.0, and 5.6 dBi at 2.45, 2.8, 3.8, and 5.5 GHz, respectively.

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“…The design of isolation mechanism plays a key part in the whole process because the antenna element cannot be independent within a limited space. So far, numerous MIMO antennas with dualband have been proposed in [3][4][5][6][7][8][9][10][11][12][13][14]. In [3], the method of defected ground structure (DGS) combined with meander-lines results in the isolation increasing to above 15 dB by disturbing the surface current flow.…”

Section: Introductionmentioning

confidence: 99%

“…In [13], by means of setting the feeders of antenna elements orthogonally to each other, mutual coupling below −22.5 dB between antenna elements is achieved. In [14], a T-shaped connecting line functioning as a short stub-loaded resonator (SSLR) is involved between dual-band antenna elements to increase the isolation to more than 19 dB. However, all of the dual-band MIMO antennas mentioned above are fed by coaxial feed or microstrip feed, which are not easy to integrate with circuits.…”

Section: Introductionmentioning

confidence: 99%

A CPW-Fed Dual-Band Mimo Antenna With Enhanced Isolation for 5g Application

Zhao¹

2020

PIER M

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In this paper, a dual-band Multiple Input Multiple Output (MIMO) antenna for fifthgeneration (5G) band (3.3-3.6 GHz and 4.8-5.0 GHz) is presented. The proposed MIMO antenna fed by coplanar waveguide (CPW) contains two symmetric antenna elements with two inverted L-shaped stubs. High isolation is successfully acquired by adopting a double-Y-shaped stub and partial ground plane. To obtain compactness, the antenna printed on an FR4 substrate has two triangle corners cut off. To study the performance, the antenna is simulated by Ansoft HFSS 13.0, and then fabricated and tested. The measurement results demonstrate that the antenna has achieved impedance bandwidths (S 11 < −10 dB) of 790 MHz (3.08-3.87 GHz) and 880 MHz (4.7-5.58 GHz) with fractional bandwidths of 22.7% and 15.8%, respectively, which covers 3.45/4.9 GHz 5G bands. Meanwhile, the measurement results exhibit an enhanced isolation more than 20 dB, a low envelope correlation coefficient (ECC) below 0.001, an average gain better than 2 dB, and a stable radiation pattern within operation bands. In addition, the parameters including efficiency, DG, CCL, MEG, and TARC are also analysed. The simulated and measured results indicate that the proposed MIMO antenna can be applied to 5G communication system.

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Design of a compact dual-band MIMO antenna with high isolation for WLAN and X-band satellite by using orthogonal polarization

Cited by 36 publications

References 23 publications

Quad-Port MIMO Filtenna With High Isolation Employing BPF With High Out-of-Band Rejection

Quad-Port MIMO Filtenna With High Isolation Employing BPF With High Out-of-Band Rejection

A Multiband Compact Low-Profile Planar Antenna Based on Multiple Resonant Stubs

A CPW-Fed Dual-Band Mimo Antenna With Enhanced Isolation for 5g Application

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