Double-sided printed strip antenna for dual frequency operation

Tefiku, F.; Yamashita, E.

doi:10.1109/aps.1996.549539

Cited by 9 publications

(6 citation statements)

References 4 publications

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“…Two pairs of parallel dipoles, spaced by , are orthogonally placed at the four sides of a square contour. The two arms of each dipole are formed on the upper and lower interfaces or layers of the substrate, and it is fed by a double-sided and balanced stripline as studied in [18]. The balanced stripline plays a key role as a balun and make the dipole to work at a balance mode.…”

Section: Design and Implementation Of Printed Cp Antennamentioning

confidence: 99%

A Low-Profile Wide-Beamwidth Circularly-Polarized Antenna via Two Pairs of Parallel Dipoles in a Square Contour

Luo

Chu

Li³

2015

IEEE Trans. Antennas Propagat.

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A circularly polarized antenna with wide axial-ratio beamwidth is presented by placing two pairs of parallel dipoles in a square contour. Firstly, our study demonstrates that circular polarization can be achieved at the broadside by setting a 90 phase difference between the vertical and horizontal paired-dipoles. Secondly, the principle of wide-beamwidth circularly-polarized radiation is described under the similarity in polar and azimuthal radiation pattern for a pair of parallel dipoles. After the spacing between two parallel dipoles is studied, the similar radiation patterns in these two orthogonal planes are derived. As such, a widebeamwidth circular polarization can be achieved by placing the two pairs of parallel dipoles vertically and horizontally while setting a 90 phase difference between them. In final, a circularly-polarized printed antenna is designed and fabricated on a single dielectric substrate. The two arms of its four dipoles are formed on the lower and upper interfaces of the substrate, and they are excited by a 1-to-4 probe-to-microstrip feeding network. Experimental results show good agreement with simulated ones in terms of radiation pattern/gain, axial ratio and returned loss. In particular, the 3-dB axial ratio beamwidth at the central frequency of 1.6 GHz has extended to 126 in an angular range from to . The fabricated antenna exhibits a low-profile property with the height of 0.0043 free-space wavelength.Index Terms-Axial ratio, circularly polarized antenna, dipoles, microstrip-line feeder, wide beamwidth.

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Section: Design and Implementation Of Printed Cp Antennamentioning

confidence: 99%

A Low-Profile Wide-Beamwidth Circularly-Polarized Antenna via Two Pairs of Parallel Dipoles in a Square Contour

Luo

Chu

Li³

2015

IEEE Trans. Antennas Propagat.

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“…(2) and (3), that correspond to the characteristic equations for the TM and TE surface-wave modes of the ungrounded dielectric substrate [16]. There is always an amount of power coupled into these surface-waves because both the first TM and TE modes have zero cutoff frequencies.…”

Section: Analysis Modelmentioning

confidence: 99%

“…The antennas are comprised of a number of closely spaced narrow conductive strips printed on electrically thin dielectric substrates. Although the antennas are easy to make and inexpensive, they posses tremendous performance capabilities including high gain, dual polarization, broadband or multi-band operation [1][2][3][4]. In addition when these antennas are fed in series they generally produce endfire radiation making them suitable for use with plane or shaped reflectors, a configuration commonly employed in base stations of wireless communications systems [5].…”

Section: Introductionmentioning

confidence: 99%

Analysis of Arrays of Printed Strip Dipole Antennas and Broadband Antennas of Six Series Fed Strip Dipoles

Maraj

Sefa

2013

WCMC

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Dipole antennas are suitable in wireless multi-band technology, because they are simple to design and have excellent radiation properties. Also, it is well known that analysis of series-fed strip dipoles antennas are very hard to do because of the presence of dielectric inhomogeneity. In addition, the strip dipoles are closely spaced and connected through transmission lines that are integral part of the antenna. Therefore, an analysis method that takes into account the presence of dielectric substrate and the effect of connecting lines is presented to accurately design these antennas. In this paper, arrays of printed strip dipoles antennas are analyzed based on moment method in the spectral domain. The double-sided configuration has been selected because it offers several practical advantages. In this paper, further we will complicate the analysis by taking into account broadband antennas comprised of six series fed strip dipoles.

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“…Earlier, Tefiku et al [6,7] proposed an antenna composed of two strip dipoles with different lengths. By adjusting the length of the strip dipoles and other parameters, the antenna can realize the multifrequency or broadband functions applied to various situations.…”

Section: Introductionmentioning

confidence: 99%

Dipole Antenna Design for Portable Devices Operating in the 5g Nr Frequency Bands

Li¹,

Feng²,

Zhou³

2021

PIER Letters

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In this paper, a dipole antenna is investigated for 5G New Radio portable devices. This antenna adopts the characteristics of multiple mode resonance. Then, by adjusting the spacing between dipole pairs, the antenna has a good impedance match in a wide frequency band. The −10 dB impedance bandwidth of the antenna is 2.31-5.34 GHz (79.2%). In the operation frequency band, the maximum gain and average gain of the antenna are 8.68 dBi and 4.67 dBi, respectively. It can be used in the 5G Sub-6 GHz NR frequency bands n7/n38/n41/n77/n78/n79 and also compatible with WLAN/WiMAX band.

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Double-sided printed strip antenna for dual frequency operation

Cited by 9 publications

References 4 publications

A Low-Profile Wide-Beamwidth Circularly-Polarized Antenna via Two Pairs of Parallel Dipoles in a Square Contour

A Low-Profile Wide-Beamwidth Circularly-Polarized Antenna via Two Pairs of Parallel Dipoles in a Square Contour

Analysis of Arrays of Printed Strip Dipole Antennas and Broadband Antennas of Six Series Fed Strip Dipoles

Dipole Antenna Design for Portable Devices Operating in the 5g Nr Frequency Bands

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