A Wideband End-Fire Conformal Vivaldi Antenna Array Mounted on a Dielectric Cone

Li, Zengrui; Kang, Xiaole; Su, Jianxun; Guo, Qingxin; Yang, Yaoqing; Wang, Junhong

doi:10.1155/2016/9812642

Cited by 19 publications

(9 citation statements)

References 18 publications

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“…Based on the above results, we compared performances of the PLPTDA antenna with its counterpart antennas in the literature; in terms of antenna size, bandwidth ratio and antenna gain (Table 1). Thus, the bandwidth of the proposed antenna is broader than those in [4–6, 11–14, 16–18, 20, 21, 23, 24] and the measured gain of the PLPTDA antenna is higher than in [4, 6, 7, 11–21, 23, 24]. Although the proposed antenna bandwidth is 1:9 same as the antenna in [15], they aimed to increase the antenna gain at WLAN (2.45 and 5.27 GHz) frequencies.…”

Section: Antenna Design and Measurement Resultsmentioning

confidence: 99%

Printed log‐periodic trapezoidal dipole array antenna with a balun‐feed for ultra‐wideband applications

Zengin

Akkaya

Güneş³

et al. 2018

IET Microwaves, Antennas & Propagation

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The authors present design of a printed log‐periodic trapezoidal dipole array (PLPTDA) antenna with a balun‐feed operating throughout the 2–18 GHz frequency range. For this purpose, the antenna is designed and simulated in the CST Microwave Studio environment. Thus, better directivity along the operation bandwidth is achieved via the iterative simulations with a 33.33% reduction in the dipole length at the lowest frequency 2 GHz as compared with the counterpart standard log‐periodic antennas. Furthermore, they fabricated the PLPTDA antenna with and without the balun‐feed. Thus, influence of the balun on the performance is investigated and the average gain of the PLPTDA antenna with the balun‐feed is measured as 8.16 dBi provided voltage standing wave ratio (VSWR) < 2, which agrees with the simulation results. Furthermore, these measured gain/directivity results are compared with the counterpart antennas' measured performances in the literature considering their operation bandwidths and sizes. It can be concluded that their proposed PLPTDA antenna will prove to be useful in both wideband civilian and military applications in the S, C, X, and Ku bands within the 1:9 ultra‐wideband bandwidth which is the largest achieved in this class antenna technology in the literature up to now.

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Section: Antenna Design and Measurement Resultsmentioning

confidence: 99%

Printed log‐periodic trapezoidal dipole array antenna with a balun‐feed for ultra‐wideband applications

Zengin

Akkaya

Güneş³

et al. 2018

IET Microwaves, Antennas & Propagation

View full text Add to dashboard Cite

show abstract

“…The antenna designed in [31,32] provides a very good bandwidth, but its gain variation is higher, and the antenna size is also very large. In [33,34] an antenna is designed with a wide bandwidth and moderate antenna size, but its gain is small. Further, the antennas designed in [1,35,36] are of moderate size and nearly constant gain, but their bandwidth is very small.…”

Section: Resultsmentioning

confidence: 99%

A Highly Compact Antipodal Vivaldi Antenna Array for 5G Millimeter Wave Applications

Dixit

Kumar

Urooj

et al. 2021

Sensors

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This paper presents a compact 1 × 4 antipodal Vivaldi antenna (AVA) array for 5G millimeter-wave applications. The designed antenna operates over 24.19 GHz–29.15 GHz and 30.28 GHz–40.47 GHz frequency ranges. The proposed antenna provides a high gain of 8 dBi to 13.2 dBi and the highest gain is obtained at 40.3 GHz. The proposed antenna operates on frequency range-2 (FR2) and covers n257, n258, n260, and n261 frequency bands of 5G communication. The corrugations and RT/Duroid 5880 substrate are used to reduce the antenna size to 24 mm × 28.8 mm × 0.254 mm, which makes the antenna highly compact. Furthermore, the corrugations play an important role in the front-to-back ratio improvement, which further enhances the gain of the antenna. The corporate feeding is optimized meticulously to obtain an enhanced bandwidth and narrow beamwidth. The radiation pattern does not vary over the desired operating frequency range. In addition, the experimental results of the fabricated antenna coincide with the simulated results. The presented antenna design shows a substantial improvement in size, gain, and bandwidth when compared to what has been reported for an AVA with nearly the same size, which makes the proposed antenna one of the best candidates for application in devices that operate in the millimeter frequency range.

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“…In [64], an AVA with diamond shape parasitic lens is presented to improve the high-frequency gain. The presence of the lens enhances the radiation performance of the antenna at higher frequencies.…”

Section: Gain Boosting Techniques In Vivaldi Antennasmentioning

confidence: 99%

Vivaldi antennas: a historical review and current state of art

Bhattacharjee

Bhawal

Karmakar

et al. 2020

Int. J. Microw. Wireless Technol.

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The progressions in the field of wireless technology can be highly attributed to the development of antennas, which can access high data rates, provide significant gain and uniform radiation characteristics. One such antenna called the Vivaldi antenna has attracted the utmost attention of the researchers owing to its high gain, wide bandwidth, low cross-polarization, and stable radiation characteristics. Over the years, different procedures have been proposed by several researchers to improve the performance of the Vivaldi antennas. Some of these different approaches are feeding mechanisms, integration of slots, dielectric substrate selection, and radiator shape. Correspondingly, the performance of a Vivaldi antenna can be increased by including dielectric lens, parasitic patch in between two radiators, corrugations, as well as metamaterials. This paper gives a systematic identification, location, and analysis of a large number of performance enhancement methods of Vivaldi antenna design depicting their concepts, advantages, drawbacks, and applications. The principal emphasis of this article is to offer an outline of the developments in the design of Vivaldi antennas over the last few years, where the most important offerings, mostly from IEEE publications, have been emphasized. This review work aims to reveal a promising path to antenna researchers for its advancement using Vivaldi antennas.

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A Wideband End-Fire Conformal Vivaldi Antenna Array Mounted on a Dielectric Cone

Cited by 19 publications

References 18 publications

Printed log‐periodic trapezoidal dipole array antenna with a balun‐feed for ultra‐wideband applications

Printed log‐periodic trapezoidal dipole array antenna with a balun‐feed for ultra‐wideband applications

A Highly Compact Antipodal Vivaldi Antenna Array for 5G Millimeter Wave Applications

Vivaldi antennas: a historical review and current state of art

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