A Wideband Non-Uniform Metasurface-Based Circularly Polarized Reconfigurable Antenna

被引：41
作者：
Huy Hung Tran [1 ,2 ]
Cong Danh Bui [3 ,4 ]
Nghia Nguyen-Trong [5 ]
Truong Khang Nguyen [3 ,4 ]
机构：
[1] Phenikaa Univ, Fac Elect & Elect Engn, Hanoi 12116, Vietnam
[2] A&A Green Phoenix Grp JSC, PHENIKAA Res & Technol Inst PRATI, Hanoi 11313, Vietnam
[3] Ton Duc Thang Univ, Inst Computat Sci, Div Computat Phys, Ho Chi Minh City 72915, Vietnam
[4] Ton Duc Thang Univ, Fac Elect & Elect Engn, Ho Chi Minh City 72915, Vietnam
[5] Univ Adelaide, Sch Elect & Elect Engn EEE, Adelaide, SA 5000, Australia
来源：
IEEE ACCESS | 2021年 / 9卷
关键词：
Wideband; Antennas; Broadband antennas; Antenna arrays; Current distribution; Antenna radiation patterns; P-i-n diodes; Circular polarization; reconfigurability; patch antenna; wideband; metasurface; PATCH ANTENNA; CHARACTERISTIC MODES; MONOPOLE ANTENNA; DESIGN;
D O I：
10.1109/ACCESS.2021.3066182
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
This paper presents a low-profile circularly polarized (CP) antenna with wideband and polarization-reconfigurable characteristics. The proposed antenna consists of a truncated-corner patch working as a CP source and a non-uniform metasurface (MS) acting as parasitic elements for performance enhancement. The non-uniform MS is utilized to produce additional operating bands in the higher frequency range, which are then combined with the lower band produced by the driven patch to significantly broaden the overall operating bandwidth. The polarization switching mechanism is based on the ON/OFF states of two p-i-n diodes. The fabricated prototype shows the measured overlapped bandwidth between -10 dB impedance and 3-dB axial ratio is 25.6% and peak broadside gain is 7.3 dBic.
引用
收藏
页码：42325 / 42332
页数：8
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