V-Band High-Gain Slot Antenna Using Single Layer Partially Reflective Surface

2018 ◽  
Author(s):  
H. Attia
Keyword(s):  
Single Layer ◽  
High Gain ◽  
Slot Antenna ◽  
Reflective Surface ◽  
V Band

scholarly journals A single-layer metallo-dielectric superstructure for enhancing the performances of EBG cavity antenna

2021 ◽  
Vol 72 (1) ◽  
pp. 53-60
Author(s):  
Abdelhalim Chaabane ◽  
Hussein Attia ◽  
Farid Djahli ◽  
Tayeb A. Denidni
Keyword(s):  
Frequency Band ◽  
Single Layer ◽  
High Gain ◽  
Slot Antenna ◽  
Antenna Gain ◽  
Asymmetric Unit ◽  
Reflective Surface ◽  
Reflection Phase ◽  
High Reflectivity ◽  
Unit Cells

Abstract A novel single-layer metallo-dielectric superstructure is proposed in this paper. It is constructed by two asymmetric unit- cells optimally arranged on the same layer to construct a partially reflective surface to be placed over a multilayer microstrip slot antenna named feed antenna for enhancing its performances. The radiation is expected to be maximum at the center of the formed layer. Thus, to maintain a high-gain performance, the unit-cells placed at the center are designed to provide a quasi-optimal reflection phase with high reflectivity at the frequency band of interest. A prototype of the proposed antenna operating at 10 GHz with overall size of 2.133λ0 ×2.133λ0 ×0.56λ0 is successfully designed and fabricated. The calculated and measured antenna gain results indicate that the proposed antenna exhibits a wider radiation bandwidth performance of about 41.15% and 36.15%, respectively.

High-gain wideband Fabry-Pérot slot antenna with partially reflective surface

2016 ◽  
Author(s):  
Mohammed Amin Meriche ◽  
Abderraouf Messai ◽  
Hussein Attia ◽  
Boualem Hammache ◽  
Tayeb. A. Denidni
Keyword(s):  
High Gain ◽  
Slot Antenna ◽  
Reflective Surface ◽  
Fabry Perot

High-gain single-layer radial line slot array designed for V-band applications

2016 ◽  
Author(s):  
Alister Hosseini ◽  
Saman Kabiri ◽  
Evangelos Kornaros ◽  
Franco De Flaviis ◽  
Filippo Capolino
Keyword(s):  
Single Layer ◽  
High Gain ◽  
Radial Line ◽  
V Band

Ultra-wideband and high gain antipodal tapered slot antenna with planar metamaterial lens

2021 ◽  
pp. 1-11
Author(s):  
Ziye Wang ◽  
Zhengwei Yang ◽  
Xiao Zhao ◽  
Linyan Guo ◽  
Minjie Guo
Keyword(s):  
Ground Penetrating Radar ◽  
Imaging System ◽  
Single Layer ◽  
High Gain ◽  
Ultra Wideband ◽  
Slot Antenna ◽  
Impedance Bandwidth ◽  
Planar Lens ◽  
Unit Cells ◽  
Ground Penetrating

Abstract To solve the problems of low gain, narrow bandwidth, and poor radiation directivity of conventional ground penetrating radar antenna, this paper proposes an ultra-wideband and high-gain antipodal tapered slot antenna (ATSA) with planar metamaterial lens. As a constituent part of this lens, a new non-resonant metamaterial unit cell is introduced and analyzed by the full-wave simulation tool. The single-layer planar lens composed of the designed unit cells with different sizes is placed in the maximum radiation direction of the ATSA to greatly enhance its radiation capability. The proposed planar lens antenna has a wide impedance bandwidth of 107.4% (2.41–8 GHz) and −3 dB gain bandwidth of 54.5% (4–7 GHz), respectively. The gain increases averagely by 6.0 dB in the whole operating frequency band, and the peck gain reaches 15.4 dBi at 5.5 GHz. And its excellent performance shows a high application prospect in ground penetrating radar and microwave imaging system.

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