Low-Profile High-Gain Wideband Multi-Resonance Microstrip-Fed Slot Antenna With Anisotropic Metasurface

Zhou, Enle; Cheng, Yongzhi; Chen, Fu; Luo, Hui; Li, Xiangcheng

doi:10.2528/pier22062201

Cited by 34 publications

(11 citation statements)

References 36 publications

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“…The correlation between gain and bandwidth has been improved in the proposed work. As compared to literature from [21,[23][24][25][26][27][28][29][30][31] size of the basic antenna is considerably reduced. The designed antenna structure with parasitic patches on top and bottom improves the percentage bandwidth as compared to [21,[24][25][26][27][28][29][30][31].…”

Section: Simulated and Measured Resultsmentioning

confidence: 84%

“…As compared to literature from [21,[23][24][25][26][27][28][29][30][31] size of the basic antenna is considerably reduced. The designed antenna structure with parasitic patches on top and bottom improves the percentage bandwidth as compared to [21,[24][25][26][27][28][29][30][31]. There is considerable improvement in the gain and radiation pattern characteristics as compared to [21,22,31].…”

Section: Simulated and Measured Resultsmentioning

confidence: 84%

“…High directivity antenna using PRS as a superstrate at a distance of λ 0 /4 from ground plane is investigated in [20]. FSS single layer on single side has been studied in [24][25][26][27][28][29][30][31], and the FSS layer increases the gain considerably but also makes the antenna design bulky and complex. A 7 × 7 FSS element array is used which increases the complexity of the antenna structure [26].…”

Section: Introductionmentioning

confidence: 99%

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Gain and Bandwidth Enhancement of a CPW-fed Bidirectional Dumbbell Shaped Slot Antenna Using PRS

Mehta¹,

Deosarkar²,

Nandgaonkar³

2022

PIER Letters

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A bidirectional, coplanar waveguide (CPW) fed dumbbell-shaped slot antenna with partially reflecting surface (PRS) with parasitic patches for gain, bandwidth, and radiation pattern improvement is investigated. A dumbbell-shaped CPW-fed slot antenna has a dimension of 0.71λ g × 0.71λ g × 0.0571λ g . The proposed antenna is simple in design and has low profile structure. To achieve improvement in bandwidth, gain, and bidirectional radiation pattern, PRS with parasitic patches are placed on top and bottom of antenna at a distance of 0.25λ g . The proposed design yields wide bandwidth of 4.11 GHz (4.48-8.59 GHz) with percentage bandwidth of 62.89%, S 11 ≤ −10 dB, and peak gain of 5.61 dBi. The variation in the gain over desired bandwidth is less than 3 dB. The antenna is fabricated using an FR4 substrate with relative permittivity of 4.4. The measured results corroborate the design and stipulate the proposed structure to be suitable for applications in C band.

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Section: Simulated and Measured Resultsmentioning

confidence: 84%

Section: Simulated and Measured Resultsmentioning

confidence: 84%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Gain and Bandwidth Enhancement of a CPW-fed Bidirectional Dumbbell Shaped Slot Antenna Using PRS

Mehta¹,

Deosarkar²,

Nandgaonkar³

2022

PIER Letters

View full text Add to dashboard Cite

show abstract

“…In the final stage (Fig. 2 (c)), two triangular portions are etched out from the ground plane and a slit of dimension 1 x1 mm 2 has been introduced in the center of the ground plane, thereby capacitance between the ground plane and radiator has been decreased; the antenna resonates from 3 GHz to 10.8 GHz [21].…”

Section: Antenna Designmentioning

confidence: 99%

Non-Destructive Detection of Pipe Line Cracks Using Ultra Wide Band Antenna with Machine Learning Algorithm

Venkatesan

Kalimuthu

2023

ACES Journal

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In this article, an Ultra-Wide Band (UWB) antenna for the pipeline crack detection process is proposed. A UWB antenna has been designed with the dimension of 32 x 32 mm2 and it resonates from 3 GHz to 10.8 GHz. The designed antenna produces a peak gain of 4.36 dB. A pair of UWB antennas are employed in various pipeline scenarios and the received pulse from antenna 1 to antenna 2 is used for further processing and detection of pipeline cracks. Through the suitable machine learning data classifier algorithm the dimension of the crack has been detected. The various features such as mean, standard deviation (σ), mean average deviation (mad), skewness, and kurtosis have been extracted from the received pulse. Then the three different machine learning algorithms namely Support Vector Machine (SVM), k-Nearest Neighbor (kNN), and Naïve Bayse (NB) were trained and tested using extracted features, and the dimension of the void has been identified. Out of these three machine learning algorithms, kNN provides better accuracy and precision. It predicts the small cracks with 100% accuracy having a dimension as small as 1 mm width.

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“…

Metasurfaces, composing of periodic/quasi-periodic meta-atoms, have unprecedented capability to manipulate the amplitude, phase, and polarization of electromagnetic wave in subwavelength scale. [1][2][3][4][5] Thanks to their anomalous characteristics, such as super-thin, flexible, and low loss, planar metasurfaces are widely studied and many fascinating phenomena have been demonstrated, such as wave front manipulation, [6][7][8][9] vortex-beam generation, [10][11][12] polarization conversion, [12,13] holograms, [14] radar cross section (RCS) reduction, [15] invisible cloak, [16][17][18][19][20] novel antenna, [21][22][23][24] and so on. Despite the aforementioned progress toward planar devices, conformal techniques have attracted many attentions.

…”

mentioning

confidence: 99%

Convenient Conformal Transmissive Metasurface Antenna Embedded on Arbitrary Cylindrical Surface

Liu,

Zheng,

et al. 2023

Advanced Photonics Research

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Conformal metasurface antenna embedded on the platform with an arbitrary shape is of great significance for communication systems in practical applications. Herein, a convenient design strategy for conformal transmissive metasurface antenna with arbitrary cylinder surface is presented. First, a novel‐phase compensation concept for curved surface is inspired by ray‐tracing technique. Then, by using arc differentiation and numerical integration, the meta‐atoms’ coordinates calculation method is analyzed for arbitrary cylindrical surface. Next, the electromagnetic responses of planar and curved transmissive meta‐atoms are discussed, and conformal metasurfaces in single‐quadratic surfaces are simulated to validate the feasibility of the design strategy. Finally, for potential applications, three combined quadratics conformal metasurface antennas with capabilities of beam focusing, beam deflecting, and vortex generation are designed and measured. It is indicated in the results that the three conformal metasurface antennas with combined quadratic cylinder surfaces can transform the spherical wave efficiently into the plane wave, deflected beam, and vortex beam, respectively, verifying the validity of the designs. The convenient strategy has good generality and flexibility because it is applicable to arbitrary cylindrical metasurface with a specific alignment function, which has promising perspective in practical applications, and offers a novel approach to design conformal antennas without changing aerodynamic shapes of platforms.

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Low-Profile High-Gain Wideband Multi-Resonance Microstrip-Fed Slot Antenna With Anisotropic Metasurface

Cited by 34 publications

References 36 publications

Gain and Bandwidth Enhancement of a CPW-fed Bidirectional Dumbbell Shaped Slot Antenna Using PRS

Gain and Bandwidth Enhancement of a CPW-fed Bidirectional Dumbbell Shaped Slot Antenna Using PRS

Non-Destructive Detection of Pipe Line Cracks Using Ultra Wide Band Antenna with Machine Learning Algorithm

Convenient Conformal Transmissive Metasurface Antenna Embedded on Arbitrary Cylindrical Surface

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