A new quasi-Yagi antenna for planar active antenna arrays

Deal, W.R.; Kaneda, Noriaki; Sor, J.; Qian, Yongxi; Itoh, T.

doi:10.1109/22.846717

Cited by 329 publications

(160 citation statements)

References 14 publications

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“…By using a high-permittivity substrate, the antenna will be extremely compact in terms of freespace wavelengths, and thus an array with a spacing of is achievable. Itoh et al published works on a Quasi-Yagi antenna printed on a high-permittivity substrate fed by a microstrip line [9] and also by a coplanar waveguide (CPW) [10]. Other works on planar Yagi-Uda antennas with simplified feeding structures are [11] and [12].…”

Section: A Yagi-uda Antennamentioning

confidence: 99%

Novel Antenna Concept for Compact Millimeter-Wave Automotive Radar Sensors

Beer¹,

Adamiuk²,

Zwick³

2009

Antennas Wirel. Propag. Lett.

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Abstract-An antenna concept for compact millimeter-wave radar sensors that desire a fan-beam radiation pattern is proposed. It combines an end-fire antenna on a ceramic substrate with a cylindrical parabolic reflector that can be integrated in the sensor's metal housing. The concept allows a direct interconnection from the active components to the antenna in a flip-chip attachment. It is validated with a 77-GHz Yagi-Uda antenna on a 127-m thick Alumina substrate by measurements with a probe-based measurement setup. The measured return loss, gain, and radiation patterns of the antenna without and with the reflector are given.Index Terms-End-fire antennas, millimeter-wave antennas, millimeter-wave radar, radar antennas, reflector antennas.

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Section: A Yagi-uda Antennamentioning

confidence: 99%

Novel Antenna Concept for Compact Millimeter-Wave Automotive Radar Sensors

Beer¹,

Adamiuk²,

Zwick³

2009

Antennas Wirel. Propag. Lett.

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“…In wireless communication systems, a planar Yagi antenna with directive end-fire radiation characteristics has been extensively used due to its small volume, low cost and simplicity in fabrication procedure [1]. After the evolution of the quasi-Yagi antenna by Qian et al [2], several quasi-Yagi antennas have been investigated to improve radiation performances as well as size of the antenna configuration in the last two decades.…”

Section: Introductionmentioning

confidence: 99%

Design of a Compact Planar Quasi-Yagi Antenna With Enhanced Gain and Bandwidth Using Metamaterial

Sarkar¹,

Datta²,

Saha³

et al. 2016

PIER Letters

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Abstract-In this paper, a compact planar quasi-Yagi antenna with enhanced radiation characteristics is presented. The proposed structure is designed by incorporating metamaterial unit cells in place of conventional directors. Here, the technique used for directivity improvement is that the refractive index of the metamaterial is lower than that of the antenna substrate, which acts as a regular lens for beam focusing. Loading the quasi-Yagi antenna with metamaterial results in directivity as well as gain enhancement at the end-fire direction compared to the quasi-Yagi antenna with directors. In addition, reduction in the overall size of the proposed quasi-Yagi antenna by 26.67% is achieved. An enhanced impedance bandwidth has also been noticed. The gain performance of the proposed antenna within the frequency band has been studied.

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“…The low coupling between array elements is also required in phased array systems in order to avoid scan blindness and anomalies within the desired bandwidth and scan volume. Among the most widely used printed antennas in phased array systems are tapered slot antennas (TSA) [4][5][6][7][8][9] and quasi-Yagi antennas [10][11][12][13][14][15].…”

Section: Introductionmentioning

confidence: 99%

“…In addition, they need large number of contoured vias, computed in [7] to be more than 7 vias/λ g , to eliminate scan blindness, which adds more complexity and cost. Besides, they usually have larger electrical size than resonant type patches or slots and often suffer from the excitation of substrate modes, which can result in reduced efficiency, strong crosstalk between antennas in an array environment, and perturbed radiation patterns [13].…”

Section: Introductionmentioning

confidence: 99%

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Design of Double Dipole Antenna With Enhanced Usable Bandwidth for Wideband Phased Array Applications

Eldek¹

2006

PIER

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Abstract-In this paper, the regular microstrip-fed dipole antenna with simplified balun is modified to improve the usable bandwidth by increasing the stability of the radiation patterns. The presented antenna consists of two parallel dipoles of different lengths to obtain two main resonances. The distance between the two dipoles is adjusted to reduce the return loss between the two main resonances. A wide usable bandwidth of more than 84% is obtained with high radiation pattern stability. The proposed antenna is simple and small in size. The results of a modified two-element array configuration from this antenna show that it is very good candidate for wideband phased array applications.

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A new quasi-Yagi antenna for planar active antenna arrays

Cited by 329 publications

References 14 publications

Novel Antenna Concept for Compact Millimeter-Wave Automotive Radar Sensors

Novel Antenna Concept for Compact Millimeter-Wave Automotive Radar Sensors

Design of a Compact Planar Quasi-Yagi Antenna With Enhanced Gain and Bandwidth Using Metamaterial

Design of Double Dipole Antenna With Enhanced Usable Bandwidth for Wideband Phased Array Applications

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