Characteristic Modes Analysis of a Near-Field Polarization-Conversion Metasurface for the Design of a Wideband Circularly Polarized X-Band Antenna

Genovesi, Simone; Dicandia, Francesco Alessio

doi:10.1109/access.2022.3200303

Cited by 22 publications

(11 citation statements)

References 49 publications

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“…In [28], a single-layered metasurface CP patch antenna achieves narrow IBW and ARBW. In [29], a rectangular-ring-shaped metasurface CP patch antenna has very narrow IBW and ARBW. In [30], a squareshaped metasurface CP patch antenna with microstrip meander feed line achieves narrow IBW and ARBW while high gain.…”

Section: Resultsmentioning

confidence: 99%

Broadband Multi-Shaped Metasurface Circularly Polarized Antenna With Suppressed Non-CP Radiation Modes

Supreeyatitikul,

Lertwiriyaprapa,

Chudpooti

et al. 2023

IEEE Open J. Antennas Propag.

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In this research, a multi-shaped metasurface broadband circularly polarized (CP) patch antenna with parasitic elements is proposed for 5G new radio (NR) applications. The proposed metasurface CP patch antenna comprises triple-layered substrates without air gap. The upper layer sits with multi-shaped metasurface elements and parasitic patches. The middle layer consists of an L-shaped slot functioning as the ground plane, and the lower layer contains a microstrip and a fan-shaped stub functioning as the feed line. The proposed metasurface CP patch antenna with parasitic elements is evaluated using characteristic mode analysis (CMA). The CMA results indicate that the modal significance of Modes 1 and 2 of the multi-shaped metasurface CP antenna are orthogonal, giving rise to circular polarization. The non-CP radiation of Modes 3 and 4 are suppressed by using the multi-shaped metasurface elements and parasitic patches. The measured impedance bandwidth and axial ratio bandwidth are 42.85% (3.4 -4.9 GHz) and 38% (3.27 -4.6 GHz), achieving the maximum gain of 7.23 dBic at 3.7 GHz. The experiments demonstrate that the multi-shaped metasurface CP patch antenna with parasitic elements is suitable for 5G NR wireless applications. The novelty of this study is attributed to its utilization of multi-shaped metasurface elements and parasitic patches, which effectively suppress non-circularly polarized radiation modes.INDEX TERMS Characteristic mode analysis, impedance, metasurfaces, patch antennas, substrates.

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Section: Resultsmentioning

confidence: 99%

Broadband Multi-Shaped Metasurface Circularly Polarized Antenna With Suppressed Non-CP Radiation Modes

Supreeyatitikul,

Lertwiriyaprapa,

Chudpooti

et al. 2023

IEEE Open J. Antennas Propag.

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“…In [17], a low-complexity square-shaped MTS-based CP antenna with meandering microstrip line and cross-slot ground plane suffers from narrow IBW. In [19], a rectangularring MTS-based CP antenna with slanted-slot ground plane suffers from very narrow IBW and ARBW despite straightforward structure. In [21], an H-shaped MTS-based CP antenna suffers from narrow ARBW and bulkiness.…”

Section: Figures 19(amentioning

confidence: 99%

“…Characteristic mode analysis (CMA) has gradually been employed in the design and development of MTS-based CP antennas [17], [18], [19], [20]. In [17], an MTSbased CP patch antenna with cross-slot ground plane and sequentially-rotated feed network achieves an IBW of 28.2% (4.8 -6.35 GHz) and 3-dB ARBW of 20.9% (6.8 -9.7 GHz).…”

Section: Introductionmentioning

confidence: 99%

“…In [18], a 2 × 2 clusters non-uniform MTS-based CP antenna array with Wilkinson power divider feed network achieves an IBW of 49.6% (6.05 -10.04 GHz) and 3-dB ARBW of 33.13% (7 -9.78 GHz). In [19], a 4 × 4 loop-shaped MTS-based CP antenna with circular ground plane achieves a fractional IBW and 3-dB ARBW of 14.7% . In [20], an MTS-based CP antenna with capacitive loading achieves an IBW of 22.85% (3.02 -3.82 GHz) and 3-dB ARBW of 8.5% .…”

Section: Introductionmentioning

confidence: 99%

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CMA-Based Quadruple-Cluster Leaf-Shaped Metasurface-Based Wideband Circularly-Polarized Stacked-Patch Antenna Array for Sub-6 GHz 5G Applications

Supreeyatitikul¹,

Janpangngern

Lertwiriyaprapa

et al. 2023

IEEE Access

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This research proposes a quadruple-cluster leaf-shaped metasurface (MTS)-based circularlypolarized (CP) stacked-patch antenna array with hybrid coupler feed network for sub-6 GHz 5G applications. In the study, the leaf-shaped MTS-based CP stacked-patch antenna is characterized by characteristic mode analysis (CMA). In the antenna design, one cluster of the quadruple-cluster leaf-shaped MTS-based antenna array consists of 4 × 4 leaf-shaped MTS elements; and the hybrid coupler feed network is used to enhance impedance bandwidth (IBW), axial ratio bandwidth (ARBW), and antenna gain. Simulations are carried out and an antenna prototype is fabricated and experiments undertaken. The measured IBW, ARBW, and maximum gain at the center frequency (4 GHz) are 62.5% (3.4 -5.9 GHz), 21% (3.8 -4.54 GHz), and 9.04 dBic at 3.9 GHz. The novelty of this research lies in the use of: (i) the CMA concept to design and develop the leaf-shaped wideband MTS-based stacked-patch antenna with CP radiation pattern; and (ii) a low-complexity hybrid coupler feed network to enhance the IBW, ARBW and gain.INDEX TERMS Antenna arrays, characteristic mode analysis, couplers, metasurfaces, wideband.

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“…Antenna design is a challenge for researchers due to the limitations of size, mass, operating frequency, and required bandwidth. In [ 12 , 13 , 14 , 15 , 16 ], various antenna types proposed for CubeSat were designed and analyzed, such as monopole, dipole, helical, patch, slot, phase array, reflect array, and metamaterial-based antennas.…”

Section: Introductionmentioning

confidence: 99%

Compact UHF Circularly Polarized Multi-Band Quadrifilar Antenna for CubeSat

Nguyen

Ferrero

Trinh

2023

Sensors

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This article presents a multi-band right-hand circularly polarized antenna designed for the Cube Satellite (CubeSat). Based on a quadrifilar structure, the antenna provides circular polarization radiation suitable for satellite communication. Moreover, the antenna is designed and fabricated using two 1.6 mm thickness FR4-Epoxy boards connected by metal pins. In order to improve the robustness, a ceramic spacer is placed in the centerboard, and four screws are added at the corners to fix the antenna to the CubeSat structure. These additional parts reduce antenna damage caused by vibrations in the launch vehicle lift-off stage. The proposal has a dimension of 77 × 77 × 10 mm3 and covers the LoRa frequency bands at 868 MHz, 915 MHz, and 923 MHz. According to the measurements in the anechoic chamber, antenna gains with the values of 2.3 dBic and 1.1 dBic are obtained for the 870 MHz and 920 MHz, respectively. Finally, the antenna is integrated into a 3U CubeSat that was launched by a Soyuz launch vehicle in September 2020. The terrestrial-to-space communication link was measured, and the antenna performance was confirmed in a real-life scenario.

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Characteristic Modes Analysis of a Near-Field Polarization-Conversion Metasurface for the Design of a Wideband Circularly Polarized X-Band Antenna

Cited by 22 publications

References 49 publications

Broadband Multi-Shaped Metasurface Circularly Polarized Antenna With Suppressed Non-CP Radiation Modes

Broadband Multi-Shaped Metasurface Circularly Polarized Antenna With Suppressed Non-CP Radiation Modes

CMA-Based Quadruple-Cluster Leaf-Shaped Metasurface-Based Wideband Circularly-Polarized Stacked-Patch Antenna Array for Sub-6 GHz 5G Applications

Compact UHF Circularly Polarized Multi-Band Quadrifilar Antenna for CubeSat

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