Design of a Wideband Horizontally Polarized Omnidirectional Antenna With Mutual Coupling Method

Wang, Ze Dong; Yin, Ying Zeng; Yang, Xi; Wu, Jian

doi:10.1109/tap.2015.2429733

Cited by 65 publications

(39 citation statements)

References 16 publications

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“…antennas in references. In Table 2, it can be observed that the proposed antenna not only possesses the widest impedance bandwidth, but also provides a better cross-polarization level of −20 dB than that in [18] over the whole impedance bandwidth. In addition, the proposed antenna with a small number of radiation elements only occupies a relatively reduced size of 0.66λ L × 0.66λ L × 0.01λ L .…”

Section: Resultsmentioning

confidence: 99%

“…Although the sizes in [6] and [10] are smaller, the profile is relatively high, and the bandwidth is much narrower than the proposed antenna. In contrast to [18] which owns a better gain variation, the proposed antenna has a wider impedance bandwidth and smaller size to meet space-constrained applications.…”

Section: Resultsmentioning

confidence: 99%

“…However, the gain variation in [16] in the horizontal plane is up to 5.0 dB, and the profile in [17] is as high as 26.7 mm (0.11λ L ). By introducing mutual coupling method, the antenna in [18] has a bandwidth of 70.2%. But the cross-polarization level is poor of −15 dB, and the dimension is as large as 0.…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Enhanced Bandwidth of a Horizontally Polarized Omnidirectional Printed Antenna Array Based on Dual-Dipole Structure

Yang¹,

Zhang²,

Hong³

et al. 2017

PIER C

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Abstract-In this paper, a horizontally polarized (HP) omnidirectional antenna array with a broadband characteristic is presented. The proposed antenna consists of a circular array based on four planar arc dual-dipole structures, a wideband 1-to-4 feeding network with baluns, four reflectors and twelve directors. The arc dual-dipoles with four etched slots are introduced to obtain the broadband characteristic. By using twelve directors in front of the dipoles, the gain variation in the horizontal plane is improved. In addition, the reflector elements are able to improve the gain for the middle frequency band. With the concept, a prototype antenna with an overall size of 0.is the free-space wavelength at the lowest frequency) is fabricated and measured. The designed antenna exhibits a relative impedance bandwidth of 98.3% (1.245-3.652 GHz) for |S 11 | < −10 dB. The HP omnidirectional patterns provide a gain variation less than 3.0 dB over the frequency band 1.245-3.519 GHz (95.5%). Within the impedance bandwidth, the cross-polarization level is lower than −20 dB in the horizontal plane.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

See 1 more Smart Citation

Enhanced Bandwidth of a Horizontally Polarized Omnidirectional Printed Antenna Array Based on Dual-Dipole Structure

Yang¹,

Zhang²,

Hong³

et al. 2017

PIER C

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show abstract

“…Its 10‐dB bandwidth is 41% covering the band of 1.76‐2.68GHz, and its lateral size is also too large (more than 0.74 λ 0 ). Recently, some new methods are used to broaden the bandwidth . Based on the concept of tightly coupled dipole array, the antenna in Ref.…”

Section: Introductionmentioning

confidence: 99%

Wideband and compact horizontally polarized omnidirectional antenna using composite dipole elements

Yang

Chen

et al. 2016

Int J RF Microw Comput Aided Eng

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A wideband horizontally polarized (HP) omnidirectional antenna is constructed and experimented in this article. The antenna consists of four composite dipoles forming a circular array in the azimuth plane and four pairs of parallel strip lines as impedance transformer networks. Two kinds of dipoles compose the composite dipole to achieve a wideband operation. By utilizing the composite dipole, four resonances can be simultaneously excited and manipulated to increase the bandwidth. A prototype is manufactured to validate the method. The dimensions of the antenna are just 0.62λ0 × 0.62λ0 × 0.03λ0 (λ0 is the free‐space wavelength at center frequency). The measured results show that the presented antenna has a impedance bandwidth of 58.6% (1.63–2.98 GHz) for VSWR ≤2. The gain variations are less than 0.6 dB at the azimuth plane in the operating band. Meanwhile, the cross‐polarization is less than 20 dB and the peak gain reaches 1.7 dBi among in the band. These advantages of the antenna make it suitable for 4G mobile communication applications.

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“…The omnidirectionality is defined as the gain variation (maximum to minimum) in the azimuthal plane. The wideband of omnidirectional antenna can be achieved by rational design of monopole or dipole [1][2][3], but the conformation of these antennas are rather complicated. Besides, either the gain variation is above 2dB [1][2] or the gain is less than 2dBi [3] in the horizontal plane.…”

Section: Introductionmentioning

confidence: 99%

A Wideband Omnidirectional Dielectric Resonator Antenna Array

Liu¹,

Hu²,

Gu³

et al. 2016

Proceedings of the 2016 6th International Conference on Advanced Design and Manufacturing Engineering (ICADME 2016)

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Abstract. A wideband omnidirectional dielectric resonator antenna (DRA) array has been proposed. The simulated results show that the return loss of the DRA array is less than -10dB in the frequency band of 1.61dB-2.92dB (57.8%), which can cover the 2G/3G/LTE bands simultaneously. In order to reduce the deterioration of the omnidirectionality of the DRA array, a new means to arrange the feeding coaxial cable is proposed. Based on this means, a wideband DRA array with a good omnidirectionality is designed, whose gain variation ranges from 0.11dB to 0.83dB over the operating band of 1.61GHz-2.92GHz. Besides, the maximum and minimum gain in the horizontal plane are 5.41dBi (at 2.73GHz) and 3.25dBi (at 1.61GHz), respectively. The proposed antenna in this article can be a good alternative in wireless communication systems.

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Design of a Wideband Horizontally Polarized Omnidirectional Antenna With Mutual Coupling Method

Cited by 65 publications

References 16 publications

Enhanced Bandwidth of a Horizontally Polarized Omnidirectional Printed Antenna Array Based on Dual-Dipole Structure

Enhanced Bandwidth of a Horizontally Polarized Omnidirectional Printed Antenna Array Based on Dual-Dipole Structure

Wideband and compact horizontally polarized omnidirectional antenna using composite dipole elements

A Wideband Omnidirectional Dielectric Resonator Antenna Array

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