Differentially Coplanar-Fed Filtering Dielectric Resonator Antenna for Millimeter-Wave Applications

Tong, Changwu; Tang, Hui; Jiang, Li; Yang, Wen; Chen, Jianxin

doi:10.1109/lawp.2019.2903143

Cited by 41 publications

(13 citation statements)

References 17 publications

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“…The image of the proposed antenna fabricated prototype is shown in Figure . The proposed antenna provides improved features when compared to reported works, as can be observed from Table . Proposed antenna offers 16.1% (7.18‐8.44 GHz) operating bandwidth with 14 dBi peak gain at 7.8 GHz.…”

Section: Measurement and Experimental Resultsmentioning

confidence: 67%

“…In Reference , E‐shaped MTM superstrate is loaded on hemispherical DRA to achieve highly directive radiation. Using an frequency selective surfaces (FSS) superstrate of circularly polarized DRA to enhance the gain up to 8.5 dBi is reported in Reference and several other techniques have been used to enhance the gain of antenna . However, all of them have limited gain over the entire bandwidth with large size of DRA.…”

Section: Introductionmentioning

confidence: 99%

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High‐gain compact rectangular dielectric resonator antenna using metamaterial as superstrate

Pandey

Chauhan

Killamsety

et al. 2019

Int J RF Microw Comput Aided Eng

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A compact high‐gain rectangular dielectric resonator antenna (RDRA) using metamaterial (MTM) as superstrate for C‐band applications is proposed in this article. The proposed antenna consists of coaxial‐fed RDRA with 50 unit cells of MTM arranged in 5 × 10 layout as superstrate. Each unit cell is constructed of two parallel eight‐shaped copper strips printed over both faces of a dielectric substrate to provide negative refractive index from 7.3 to 8.1 GHz covering the maximum bandwidth of RDRA. The extracted lumped equivalent circuit model of unit cell of MTM shows concurrence with electromagnetic simulations. The use of MTM superstrate increases the peak gain of the antenna by 89% through simulation and 86% experimentally. The measured results show that the proposed antenna achieves an impedance bandwidth of 16.1% over a band of 7.18‐8.44 GHz, with a peak gain of 14 dBi at 7.8 GHz.

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Section: Measurement and Experimental Resultsmentioning

confidence: 67%

Section: Introductionmentioning

confidence: 99%

High‐gain compact rectangular dielectric resonator antenna using metamaterial as superstrate

Pandey

Chauhan

Killamsety

et al. 2019

Int J RF Microw Comput Aided Eng

View full text Add to dashboard Cite

show abstract

“…Variety of fractal structure styles are available, each of which provides multiple design options for new antenna geometries that will shine in future application scenarios. Various methods for designing fractal antennas are shown in references [2][3], including a combination of Sierpinski Carpet and Giusepe Peano [4], octagon iterations [5], bandpass frequency selective surface array structure [6], and slotted quasi-fractal [7]. Another important parameter in efficient radiation is better impedance bandwidth, which can be achieved by varying substrate thickness, feeding techniques and multiple resonators [8].…”

Section: Introductionmentioning

confidence: 99%

Design and Analysis of Clover Leaf Shaped Fractal Antenna Integrated With Stepped Impedance Resonator for Wireless Applications

Palanisamy¹,

Balakumaran²

2022

Preprint

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A novel multi-band clover leaf shaped fractal antenna with integrated filtering to reduce higher order harmonics has been proposed. Existing microstrip filtering antennas endure limited gain, narrow impedance bandwidth, and undesired frequency radiations. The proposed antenna is designated to operate simultaneously in following operating bands: 3.35–3.6 GHz for WiMAX, 5.156–5.825 GHz for WLAN, 5.7–6.4 GHz for Intelligent Transport Systems-ITS, and 7.7–8.5 GHz for ITU-R applications. The proposed patch is realized by combining two semi fractal ring microstrip patches like the geometry of a three-leaf clover with dual layered Stepped Impedance Resonator(SIR) integrated at bottom layer of the second substrate. The SIR band pass filter exhibits odd and even modes suppresses higher order harmonics and undesired radiations. An aperture coupled feeding in the proposed patch offers better bandwidth and impedance matching. The number of iterations is increased to get the desired multiband characteristics. The proposed microstrip fractal antenna has the geometrical dimensions of 50 × 50 × 2 mm3. It is observed that, both the simulated and measured results offers peak gain of > 5dBi and better return loss (S11) i.e., 3.3–3.6 GHz band offers S11 of -33.73dB, (5.15-5.825) GHz band offers S11 of -36.69dB, (5.795-6.4) GHz band shows the S11 of -36.25 dB and for (7.725-8.5) GHz, the return loss is -33.209 dB. Harmonics at 6.42GHz (1.8f0), 7.37GHz (1.5f0) and 9.04GHz(1.73f0) has been suppressed and shows linear polarization in the WLAN band and circular polarization in the ITU-R and WiMAX bands.

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“…A differential-fed antenna can avoid this problem because it allows lower offset and higher linearity [ 14 , 15 ]. Hence, differential-fed DRA [ 16 , 17 , 18 , 19 , 20 , 21 , 22 , 23 , 24 , 25 , 26 ] with excellent performance has great potential for high frequency on-chip communication applications. Recently, some efforts have been devoted to the design of the differential dual-polarized DRAs [ 27 , 28 , 29 , 30 , 31 ].…”

Section: Introductionmentioning

confidence: 99%

A Broadband Differential-Fed Dual-Polarized Hollow Cylindrical Dielectric Resonator Antenna for 5G Communications

Fang

Shi

Sun

2020

Sensors

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A broadband differential-fed dual-polarized hollow cylindrical dielectric resonator antenna (DRA) is proposed in this article. It makes use of the HEM111, HEM113, and HEM115 modes of the cylindrical hollow DRA. The proposed DRA is simply fed by two pairs of conducting strips and each pair of strips is provided with the out-of-phase signals. After introducing four disconnected air holes into the DRA, a broadband characteristic is achieved, with little effect on the antenna gain of its higher-order modes. To verify this idea, frosted K9-glass is applied to fabricate the hollow cylindrical DRA. The differential S-parameters, radiation patterns, and antenna gain of the DRA are studied. It is found that the proposed differential-fed dual-polarized DRA is able to provide a broad differential impedance bandwidth of ~68% and a high differential-port isolation better than ~46 dB. Moreover, symmetrical broadside radiation patterns are observed across the whole operating band. The proposed DRA covers the frequency bands including the 5G-n77 (3.4–4.2 GHz), 5G-n79 (4.4–5.0 GHz), WLAN-5.2 GHz (5.15–5.35 GHz), and WLAN-5.8 GHz (5.725–5.825 GHz), which can be used for 5G communications.

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Differentially Coplanar-Fed Filtering Dielectric Resonator Antenna for Millimeter-Wave Applications

Cited by 41 publications

References 17 publications

High‐gain compact rectangular dielectric resonator antenna using metamaterial as superstrate

High‐gain compact rectangular dielectric resonator antenna using metamaterial as superstrate

Design and Analysis of Clover Leaf Shaped Fractal Antenna Integrated With Stepped Impedance Resonator for Wireless Applications

A Broadband Differential-Fed Dual-Polarized Hollow Cylindrical Dielectric Resonator Antenna for 5G Communications

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