A Planar End-Fire Circularly Polarized Complementary Antenna With Beam in Parallel With Its Plane

Zhang, Wenhai; Lu, Wen‐Jun; Tam, Kam‐Weng

doi:10.1109/tap.2016.2518204

Cited by 111 publications

(47 citation statements)

References 29 publications

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“…Note that with the employment of the horn antenna instead of printed magnetic dipoles, the gain of the proposed antenna is significantly higher than those in Refs. . Radiation patterns at 11.9 GHz, 12.1 GHz and 12.3 GHz in both the xz‐ and yz ‐planes are shown in Figure and end‐fire beams are observed.…”

Section: Resultsmentioning

confidence: 92%

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Substrate integrated waveguide circularly polarized horn‐dipole antenna with improved gain

Luo

Børnemann

2016

Micro & Optical Tech Letters

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A substrate integrated waveguide (SIW) horn antenna is combined with a dipole to achieve circular polarization (CP). First, it is established that CP can be achieved by combining a horn and a dipole. To excite the dipole, double‐sided tapered and balanced transmission lines are employed at the central part of the horn aperture. Secondly, after the position and the size of the dipole are determined, a directional circularly polarized beam in the plane of the substrate is achieved. Finally, the proposed antenna is fabricated and measured. Experimental results are in good agreement with simulations. Measured results show that an effective bandwidth of 5% for axial ratio (AR) less than 3 dB and return loss (RL) better than 10 dB from 11.8 to 12.4 GHz is achieved. In particular, the maximum gain of the proposed antenna is as high as 7.5 dBi due to the design of the horn structure. © 2016 Wiley Periodicals, Inc. Microwave Opt Technol Lett 58:2973–2977, 2016

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Section: Resultsmentioning

confidence: 92%

“…However, this antenna does not permit low‐cost fabrications due to its three‐dimension (3D) structure. Printed magnetic dipoles combined with a loop or a linear dipole were designed and shown to exhibit directional beams parallel with substrates. However, the maximum gains of the two antennas are 2.6 dBi and 2.3 dBi.…”

Section: Introductionmentioning

confidence: 99%

Substrate integrated waveguide circularly polarized horn‐dipole antenna with improved gain

Luo

Børnemann

2016

Micro & Optical Tech Letters

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“…To reduce the profile of CP antenna, some printed complementary antennas have been proposed in Refs. . In Ref.…”

Section: Introductionmentioning

confidence: 99%

A planar end‐fire circularly polarized complementary Yagi antenna

Dong

Wang

Liu

2019

Micro & Optical Tech Letters

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A novel end‐fire circularly polarized (CP) antenna is presented by integrating a vertically polarized magnetic Yagi array, a horizontally polarized electric Yagi array, various lengths of the directors and common driven elements. Slots with nine Jesus crosses are etched on the common driven elements to extend the impedance matching bandwidth of magnetic Yagi array, while various length of directors are employed to obtain wide axial ratio (AR) bandwidth. The designed CP antenna is both numerically and experimentally validated, and experimental results agree well with electromagnetic simulated results. The fractional impedance bandwidth for ∣S 11∣ < 10 dB is up to 20.7%, and AR bandwidth of less than 3 dB is up to 16.0% in fraction.

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“…In Ref. , a vertically polarized printed magnetic dipole and a horizontally polarized printed dipole are combined on the same substrate, and a planar CP antenna with an end‐fire beam can be realized. To shorten the distance between two dipoles, a meandered antipodal parallel strip line of a narrow linewidth is adopted in Ref.…”

Section: Introductionmentioning

confidence: 99%

Low-profile omnidirectional circularly polarized antenna based on substrate integrated waveguide technology

Guo

Yang

et al. 2018

Int J RF Microw Comput Aided Eng

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A substrate integrated waveguide (SIW) circularly polarized (CP) antenna with omnidirectional radiation in the azimuthal plane is proposed. The antenna consists of five identical end‐fire CP antenna elements in a pentagonal array configuration, which is loaded on a circular substrate. Each element contains an H‐plane horn antenna in SIW structure and a printed dipole antenna. Five parasitic curve elements are introduced to improve the omnidirectional property of the antenna. Combined with complementary dipoles theory and SIW technology, prototype antenna is designed, fabricated and measured. With a low profile of 0.024λ0, the antenna has a 10‐dB return‐loss impedance bandwidth of 4.08% (2.4∼2.5 GHz) and a 3‐dB axial‐ratio (AR) bandwidth of 5.76% (2.36∼2.50 GHz). The antenna works well in the 2.45 GHz ISM band, with good cross‐polarization and excellent omnidirectional property.

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A Planar End-Fire Circularly Polarized Complementary Antenna With Beam in Parallel With Its Plane

Cited by 111 publications

References 29 publications

Substrate integrated waveguide circularly polarized horn‐dipole antenna with improved gain

Substrate integrated waveguide circularly polarized horn‐dipole antenna with improved gain

A planar end‐fire circularly polarized complementary Yagi antenna

Low-profile omnidirectional circularly polarized antenna based on substrate integrated waveguide technology

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