Millimeter-Wave Multibeam Endfire Dual-Circularly Polarized Antenna Array for 5G Wireless Applications

Wu, Qi; Hirokawa, Jiro; Yin, Jiexi; Yu, Chen; Wang, Haiming; Wang, Hong

doi:10.1109/tap.2018.2851667

Cited by 184 publications

(77 citation statements)

References 21 publications

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“…The authors in [26] proposed a simply structured design with two diodes, but one with low IBW and gain compared to our proposed design. Although the proposed antenna in [27] has a wide tuning frequency range, the gain is not high enough in the 5G-mmWave bands. The proposed 5G-CP antenna has a compact form, unlike those described in other recent papers.…”

Section: Released Gain and Radiation Efficiencymentioning

confidence: 97%

A Dual Circularly Reconfigurable Polarization Patch Antenna for Fifth Generation Mobile Communication Systems

Mallat¹,

Nouri²,

Aghdam³

et al. 2020

PIER C

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In this paper, a reconfigurable patch antenna with Circular Polarization (CP) diversity with theoretical discussion and verification is proposed for fifth generation (5G) of mobile communication systems. The proposed antenna contains two PIN diodes, which are correctly placed on the ground plane to obtain polarization diversity. By switching between two ON/OFF modes in the PIN diodes, the proposed antenna can support either the RHCP mode or the LHCP mode. An antenna with the wellmatched impedance bandwidths (S 11 ≤ −10 dB) of 2.5 GHz (27 ∼ 29.5 GHz) and 3 GHz (36 ∼ 39 GHz) and the dual-band 3-dB axial ratios of 6% (27.3-29 GHz) and 8.4% (35-38.2 GHz) operates in both the RHCP and LHCP modes. The experimental result shows that the proposed antenna has a circular polarization bandwidth at the central frequencies of 28 and 38 GHz for both the RHCP and LHCP.

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Section: Released Gain and Radiation Efficiencymentioning

confidence: 97%

A Dual Circularly Reconfigurable Polarization Patch Antenna for Fifth Generation Mobile Communication Systems

Mallat¹,

Nouri²,

Aghdam³

et al. 2020

PIER C

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show abstract

“…The unit cell of the circular polarization converter is designed using full-wave commercial solver ANSYS HFSS under an infinite periodic boundary condition. Equivalent circuit analysis 7,9,10 is conducted based on transmission line theory. 11 The aforementioned four-layer circular polarization converter is fabricated on a Taconic TLY substrate (ε r = 2.20, h = 0.128 mm, t = 0.017 mm).…”

Section: Design Of Circular Polarization Convertermentioning

confidence: 99%

Circularly polarized wave beamforming using one‐dimensional Fresnel zone plate

Youn

Hong

2019

Micro & Optical Tech Letters

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This letter entails a methodology to steer circularly polarized (CP) wave main beam in the near‐field region. The letter first demonstrates a planar circular polarizer which can convert an incoming linearly polarized wave into a CP wave from 24.0 to 40.0 GHz. Afterwards a one‐dimensional Fresnel zone plate consisting of electrically opaque and transparent regions is devised to formulate constructive interference for CP near‐field beamsteering at 22°. Measurement ascertains that the axial ratio and TE/TM phase difference at the aforementioned angle is 0.36 dB and 87.1°.

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“…One of the approaches to enhance the directivity of an antenna system is to form an array. SIW antenna arrays at high frequencies employ a corporate feeding network to equally distribute the input power among the antennas [11]- [15]. The corporate feeding network is implemented in SIW to reduce the propagation losses while the radiating elements can be implemented in other technologies as it is observed in [11] or [12].…”

Section: Introductionmentioning

confidence: 99%

Modular Design for a Stacked SIW Antenna Array at Ka-Band

et al. 2020

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This paper presents a modular substrate-integrated waveguide (SIW) antenna array based on H-plane aperture structures for Ka-band. The unitary antenna is based on a SIW aperture antenna with an improved H-plane radiation pattern by means of the implementation of metallic vias in the wave propagation along the H-plane antenna. The inner metallic vias are introduced to form four different sub-apertures at the end of the H-plane aperture antenna, dividing the field from the feeding into four in-phase wavefronts. In that manner, a flatter wavefront is generated to achieve high directivity. Additionally, some periodic parallel strips are printed at the end of the antenna aperture to improve the impedance matching with the air. The Hplane antenna is used as the constituting element for an E-plane array antenna, using four H-plane elements. The E-plane array antenna increases the antenna directivity, providing a pencil-shape beam, based on a series coaxial feeding structure. This feeding strategy favours the antenna modularity at the expense of suffering from a slight beam steering with frequency in the working bandwidth. The proposed antenna has an impedance matching below-10 dB from 32.9 to 37.0 GHz (equivalent to 11.73% bandwidth) with a nearly stable gain of almost 10 dBi for the H-plane unitary element and 14 dBi for the E-plane array. Prototypes of both antennas are manufactured to validate the proposed unitary antenna and array designs.

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Millimeter-Wave Multibeam Endfire Dual-Circularly Polarized Antenna Array for 5G Wireless Applications

Cited by 184 publications

References 21 publications

A Dual Circularly Reconfigurable Polarization Patch Antenna for Fifth Generation Mobile Communication Systems

A Dual Circularly Reconfigurable Polarization Patch Antenna for Fifth Generation Mobile Communication Systems

Circularly polarized wave beamforming using one‐dimensional Fresnel zone plate

Modular Design for a Stacked SIW Antenna Array at Ka-Band

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