Circularly polarized 2 × 2 microstrip antenna array for application as a reflectarray feed

2018 ◽  
Vol 61 (2) ◽  
pp. 330-336 ◽  
Author(s):  
Roger L. Farias ◽  
Custódio Peixeiro ◽  
Marcos V. T. Heckler
Keyword(s):  
Antenna Array ◽  
Microstrip Antenna ◽  
Circularly Polarized ◽  
Microstrip Antenna Array

scholarly journals Design of a Small-Size Broadband Circularly Polarized Microstrip Antenna Array

2018 ◽  
Vol 2018 ◽  
pp. 1-10 ◽  
Author(s):  
Pingyuan Zhou ◽  
Zhuo Zhang ◽  
Mang He ◽  
Yihang Hao ◽  
Chuanfang Zhang
Keyword(s):  
Reflection Coefficient ◽  
Antenna Array ◽  
Patch Antenna ◽  
Microstrip Antenna ◽  
Axial Ratio ◽  
Satellite Communications ◽  
Lateral Size ◽  
Circularly Polarized ◽  
Feeding Technique ◽  
Microstrip Antenna Array

A small-size 2×2 broadband circularly polarized microstrip antenna array is proposed in this article. The array has four broadband dual-feed U-slot patch antenna elements with circular polarization, and the sequential feeding technique is used to further enhance the 3 dB axial ratio bandwidth. The lateral size of the fabricated array is as small as 1.33λ0×1.33λ0, and the profile is only 0.04λ0. Measured results show that the overlapped −10 dB reflection coefficient and the 3 dB AR bandwidth is 53%, and the variation of the measured realized gain is less than 1 dB for S-band satellite communications (1.98–2.2 GHz).

scholarly journals Compact Broadband Dual-Sense Circularly Polarized Microstrip Antenna/Array With Enhanced Isolation

2017 ◽  
Vol 65 (12) ◽  
pp. 7073-7082 ◽  
Author(s):  
Chun-Xu Mao ◽  
Steven Shichang Gao ◽  
Yi Wang ◽  
Josaphat Tetuko Sri Sumantyo
Keyword(s):  
Antenna Array ◽  
Microstrip Antenna ◽  
Circularly Polarized ◽  
Microstrip Antenna Array
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