Circularly Polarized Transmitarray Antenna Design Using Meander Line Polarizer for Ku-Band Applications

被引：6
|
作者：
Iqbal, Muhammad Naeem [1 ]
Yusoff, Mohd Fairus Mohd [1 ]
Rahim, Mohamad Kamal A. [1 ]
Bin Hamid, Mohamad Rijal [1 ]
Johari, Zaharah [2 ]
Rahman, Hamood Ur [3 ]
机构：
[1] Univ Teknol Malaysia, Sch Elect Engn, Adv RF & Microwave Res Grp ARFMRG, Johor Baharu 81310, Johor, Malaysia
[2] Univ Teknol Malaysia UTM, Sch Elect Engn, Fac Engn, Johor Baharu 81310, Johor, Malaysia
[3] Natl Univ Sci & Technol NUST, Elect Engn Dept, Islamabad 44000, Pakistan
来源：
IEEE ACCESS | 2021年 / 9卷
关键词：
Frequency selective surfaces; Transmitting antennas; Phased arrays; Substrates; Reflector antennas; Waveguide transitions; Polarization; Circular polarization; frequency selective surface; meander line; transmitarray; unit cell; FREQUENCY-SELECTIVE SURFACES; RECONFIGURABLE TRANSMITARRAY; KA;
D O I：
10.1109/ACCESS.2021.3107531
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this paper, a circularly polarized Transmitarray antenna design for the Ku-band frequency range is presented. The transmitarray antenna with 121 elements is designed using a four-layer double square ring with a center patch unit cell. The Unit cell parametric analysis shows a high transmission coefficient magnitude of -1.26 dBi and a wide phase range of 256 degrees. A meander line polarizer is designed at 12GHz to convert the polarization from linear to circular. This meander line polarizer is placed in front of the horn antenna as a superstrate layer. The final measurement results show a high gain circular polarized TA antenna with a maximum gain of 20.17dBic and a value of 1.89 for the axial ratio is achieved at 11.2 GHz. The 1dB antenna gain and 3-dB axial ratio bandwidth are calculated as 0.65GHz and 1.07GHz, respectively. The proposed design offers a low profile and less complex structure, making it suitable for long-range communication systems, especially in Ku band applications.
引用
收藏
页码：119598 / 119612
页数：15
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