Liquid metamaterial based radome design

Patel, Shobhit K.; Kosta, Y.P.; Charola, Shreyas

doi:10.1002/mop.31350

Cited by 12 publications

(4 citation statements)

References 26 publications

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“…The S -parameters are required to analyze reflectance responses for the antenna structure in the gigahertz frequency range. The impedance and refractive index are required to calculate the transmittance ( S 21 ) and reflectance ( S 11 ) [29]:where n represents the refractive ratio, d represents the layer thickness, and z represents the wave impedance [30].…”

Section: Design and Modelingmentioning

confidence: 99%

Low-cost, compact, and reconfigurable antennas using complementary split-ring resonator metasurface for next-generation communication systems

Patel

Lavadiya

Parmar

et al. 2022

Int. J. Microw. Wireless Technol.

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An innovative and simple method for attaining broadband frequency reconfigurable antenna structure is presented using low-cost materials and a compact design. The frequency reconfigurability is attained by the “OFF” and “ON” mechanisms of three PIN diodes. Many performance observations are carried out such as reflectance coefficient, bandwidth (BW), resonance frequency, electric field, feed position variation, and gain among different configurations. The suitability of the presented work for the different applications lies in the X frequency band. The resonating frequency for all switch OFF modes is achieved at 13.2 GHz and one switch ON mode at 10.7 GHz. The proposed design yields the frequency tunability behavior over the broadband of 2.5 GHz. The design yields the directivity of 5.58 dB, the minimum reflectance coefficient of −17.27 dB, and a total gain of 3.87 dB. This design offers an electric field of 46 558 v/m, a BW of 340 MHz, and a normalized directivity of 87° using low-cost substrates. The results of the presented design were also fabricated and related to simulated results. Performance observation of the proposed work with previously published research work is also included. The presented design provides the solution of the low-cost, compact, reconfigurable antennas, which can be used for next-generation communication systems.

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Section: Design and Modelingmentioning

confidence: 99%

Low-cost, compact, and reconfigurable antennas using complementary split-ring resonator metasurface for next-generation communication systems

Patel

Lavadiya

Parmar

et al. 2022

Int. J. Microw. Wireless Technol.

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“…As seen in the equation, the transmittance (S21), and reflectance (S11) are needed to determine refractive index and impedance. [34].…”

Section: Design and Modellingmentioning

confidence: 99%

Multiband and Low-Profile Frequency Reconfigurable Microstrip Patch Antenna Design Using Single PIN diode for WiFi/GPS applications

Patel¹,

Khalifa²,

chebaane³

et al. 2021

Preprint

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The novel and simple approach for achieving frequency tunability is presented. The frequency tunability is achieved using a single PIN diode. PIN diode located on the upper side of the structure to reduces the biasing complexity. The superstrate structure along with the corner truncation helps for enhancing the performance parameters, as well the location of feed and slot of the patch is varied for locating best performing points. This design provides the multiband frequency tunability behavior with the maximum frequency tunability of 100 MHz. The design provides the minimum reflectance coefficient of -22.56 dB, the directivity of 6.98 dB, the total gain of 3.683 dB, normalized directivity of 88 0 using the low profile (FR-4) substrate which helps for the cost reduction and mass production. The simulation is carried out using the HFSS tool. The fabrication of the proposed design is also presented. This design suitable for Wifi, GPS, and many more wireless communication applications.

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“…Multiple patches and ground plane slots are used to achieve the multiband operation [ 18 ]. Different shapes in the patch also enrich the antenna’s bandwidth [ 19 , 20 ]. There are some approaches available for the antenna’s gain improvement, such as the partial ground method, the diffractive ground [ 21 ], an artificially soft surface [ 22 ], micromachining technology and a substrate with a high dielectric constant, such as liquid (water-sea), rather than copper.…”

Section: Introductionmentioning

confidence: 99%

Design and Fabrication of a Low-Cost, Multiband and High Gain Square Tooth-Enabled Metamaterial Superstrate Microstrip Patch Antenna

et al. 2023

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The manuscript represents a novel square tooth-enabled superstrate metamaterial loaded microstrip patch antenna for the multiple frequency band operation. The proposed tooth-based metamaterial antenna provides better gain and directivity. Four antenna structures are numerically investigated for the different geometry of the patch and tooth. These proposed structures are simulated, fabricated, measured, and compared for the frequency range of 3 GHz to 9 GHz. The electrical equivalent model of the split-ring resonator is also analyzed in the manuscript. The comparative analysis of all of the proposed structures has been carried out, in terms of several bands, reflectance response, VSWR, gain and bandwidth. The results are compared with previously published works. The effects are simulated using a high-frequency structure simulator tool with the finite element method. The measured and fabricated results are compared for verification purposes. The proposed structure provides seven bands of operation and 8.57 dB of gain. It is observed that the proposed design offers the multiple frequency band operation with a good gain. The proposed tooth-based metamaterial antenna suits applications, such as the surveillance radar, satellite communication, weather monitoring and many other wireless devices.

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Liquid metamaterial based radome design

Cited by 12 publications

References 26 publications

Low-cost, compact, and reconfigurable antennas using complementary split-ring resonator metasurface for next-generation communication systems

Low-cost, compact, and reconfigurable antennas using complementary split-ring resonator metasurface for next-generation communication systems

Multiband and Low-Profile Frequency Reconfigurable Microstrip Patch Antenna Design Using Single PIN diode for WiFi/GPS applications

Design and Fabrication of a Low-Cost, Multiband and High Gain Square Tooth-Enabled Metamaterial Superstrate Microstrip Patch Antenna

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