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

Abo-Elhassan, May Abd El-Azem; Farahat, Asmaa E.; Hussein, Khalid Fawzy Ahmed

doi:10.2528/pierb22010101

Cited by 9 publications

(4 citation statements)

References 20 publications

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“…The MIMO antenna rotates in both the azimuth and elevation planes. The reference antenna is connected to VNA port 1 and the MIMO antenna is attached to port 2 of the VNA, and the antenna gain is estimated from the S 21 as [21,22]. The tested normalized radiation patterns in comparison with the simulated one at 28 GHz and 38 GHz in both two x-z and y-z planes are illustrated in Fig.…”

Section: Resultsmentioning

confidence: 99%

Quad-port 28/38 GHz Antenna with Isolation Improvement for 5G Wireless Networks

Ahmed,

Ibrahim

et al. 2024

J Infrared Milli Terahz Waves

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A 28/38 GHz quad-port cross-shaped antenna printed on a 0.203 mm Roger RO4003 substrate is designed and fabricated for 5G networks. The antenna consists of a rectangular patch radiator with three triangle slots to enhance the antenna's impedance matching. The four elements are arranged in a cross-shaped layout to achieve the desired compactness of 29 mm × 24.2 mm × 0.203 mm. A thin parasitic strip is inserted between the second and fourth elements to enhance the port isolation. The designed antenna is simulated by utilizing the CST simulator. The antenna achieved S11 < -10 dB at 28 / 38 GHz, with isolation ≥ 20 dB. Furthermore, the E- and H-planes within the anechoic chamber are evaluated to validate the MIMO antenna radiation patterns and gain. The MIMO parameters are calculated, simulated, tested, and its outcomes are under the standard level which confirms the MIMO diversity feature. The ECC of the structure is < 0.001, the DG ≥ 9.95 dB. and the CCL was ≤ 0.2 bit/s/Hz across the dual working band.

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Section: Resultsmentioning

confidence: 99%

Quad-port 28/38 GHz Antenna with Isolation Improvement for 5G Wireless Networks

Ahmed,

Ibrahim

et al. 2024

J Infrared Milli Terahz Waves

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“…The slot antenna under test is rotated in both the horizontal and elevation planes. By linking the reference horn antenna to port 2 of the Rohde & Schwarz ZVA 67 VNA and the suggested MIMO to port 1 then the gain is extracted from the tested S 21 [28]. Fig.…”

Section: Slot Antennamentioning

confidence: 99%

“…The antenna has bidirectional patterns in both planes with a good trend between the two outcomes. Depending on the technique used in [28][29], the realized gain of the antenna is measured and displayed in Fig. 7.…”

Section: Slot Antennamentioning

confidence: 99%

Millimeter-Wave Antenna With Gain Improvement Utilizing Reflection FSS for 5G Networks

et al. 2022

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A millimeter-wave (mm-wave) antenna with enhanced gain for new 5G networks is introduced in this work. A rectangular slot antenna operating at the fundamental mode of the desired frequency band is utilized in this study. The antenna gain is improved by employing a Frequency Selective Surface (FSS). The FSS-based reflectors are designed at the same fundamental mode of the antenna and added under the antenna at a specific distance to achieve the required gain enhancement with a suitable dimension of 25 × 25 × 5 mm 3 . The antenna gain is increased by around 5.3 dBi when the FSS-based reflectors are added under the antenna. The antenna and the FSS are fabricated and tested. The antenna has tested outcomes without FSS with S 11 ≤ -10 dB from 26 GHz up to 29.8 GHz and realized gain of around 4.5 dBi within the entire frequency band and radiation efficiency of around 93 %. While the antenna with FSS has achieved bandwidth with S 11 ≤ -10 dB from 25.5 GHz up to 30.8 GHz and realized gain around 10.3 dBi at 28 GHz and radiation efficiency around 90 %. The simulated and tested outcomes have the same trend which validates the suggested antenna to be operated in the new 5G applications. All simulation results are completed using the CST Microwave Studio.

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“…Many planar single-band mm-wave antennas are given in [15][16][17]. [18] suggested 4-band MIMO antenna devices functioning at 28, 43, 52, and 57 GHz. [19][20][21][22][23][24] describe dual-band printed mm-wave antennas.…”

Section: Introductionmentioning

confidence: 99%

Dual-Band Millimeter-Wave MIMO Antennas For 5G Wireless Implementation

Nandita Pradhan

2024

jes

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For 5G wireless applications, this exploration proposes a dual-band 28/38 GHz 4-component MIMO array depending on duplex-mode planar monopole antennas. Four planar monopole antennas are part of the layout framework, situated at the districts of a Rogers RO4003 substrate measuring 20 by 20 mm2 and with a dielectric constant of 3.55. The form of the suggested placoid monopole antenna is crescent-shaped. We created a notch at the bottom and inscribed two rectangular holes on each side to get the required behaviour and execution. For enhancement of isolation, we also employed a limited ground plane. Antenna elements can achieve significant isolation (> − 23 dB) using spatial and scattering behaviour approaches. A illustration of the four-element MIMO array is created, manufactured, and measured to multifariousness the outline idea. The investigational outcomes demonstrate that the suggested antenna has strong isolation and high efficiency while covering the 27.25–29 GHz and 34.5–41 GHz bands. Additionally, studies are done on the channel capacity, realized gain, and radiation pattern. The obtained findings suggest that, for millimeter-wave 5G MIMO implementation, the proposed MIMO antenna might be an excellent application-oriented design.

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

Cited by 9 publications

References 20 publications

Quad-port 28/38 GHz Antenna with Isolation Improvement for 5G Wireless Networks

Quad-port 28/38 GHz Antenna with Isolation Improvement for 5G Wireless Networks

Millimeter-Wave Antenna With Gain Improvement Utilizing Reflection FSS for 5G Networks

Dual-Band Millimeter-Wave MIMO Antennas For 5G Wireless Implementation

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