A Beam-Steering Broadband Microstrip Antenna with High Isolation

被引:0
|
作者
Jiang, Zhaoneng [1 ]
Sha, Yongxin [2 ]
Nie, Liying [1 ]
Xuan, Xiaofeng [2 ]
机构
[1] Hefei Univ Technol, Sch Comp & Informat, Hefei 230031, Peoples R China
[2] Hefei Univ Technol, Sch Elect Sci & Appl Phys, Hefei 230031, Peoples R China
关键词
Antenna measurements; Mutual coupling; Slot antennas; Microstrip antennas; Antenna feeds; Frequency measurement; Broadband antennas; Wideband; Beam-steering; Tapered slot; Isolation; Multi-feed; PATCH ANTENNA; RECONFIGURABLE ANTENNA; VIVALDI ANTENNA; ARRAY; GAIN; SLOT;
D O I
10.23919/cje.2021.00.452
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
In this paper, a 4.2-7.2 GHz (52.6%) beam-steering microstrip antenna was proposed. The proposed antenna consists of three tapered slots and feeds. The three radiation directions of the antenna on the plane are independent of each other, and the three feeds correspond to the three radiation structures. Symmetry isolation trenches are introduced to improve isolation between different ports. Radiation pattern simulation and measurement show horizontal beam steering at the sampled frequencies of 4.2, 5, 6, and 7.2 GHz. The results shows that the overlapped beam of the three ports in the E-plane and H-plane can cover more than 200 degrees and 60 degrees, respectively. Apart from the capability of beam-steering, high isolation (more than 28 dB) of the proposed antenna in the operating band is obtained.
引用
收藏
页码:325 / 333
页数:9
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