Design of Frequency- and Pattern-Reconfigurable Wideband Slot Antenna

被引：29
|
作者：
Han, Liping [1 ]
Wang, Caixia [1 ]
Zhang, Wenmei [1 ]
Ma, Runbo [1 ]
Zeng, Qingsheng [1 ]
机构：
[1] Shanxi Univ, Coll Phys & Elect Engn, Taiyuan 030006, Shanxi, Peoples R China
来源：
INTERNATIONAL JOURNAL OF ANTENNAS AND PROPAGATION | 2018年 / 2018卷
基金：
美国国家科学基金会;
关键词：
ARRAY;
D O I：
10.1155/2018/3678018
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：
A wideband slot antenna with frequency- and pattern-reconfigurable characteristics for TD-LTE (3.4-3.8 GHz) and C-band (3.7-4.2 GHz) applications is proposed. The antenna consists of two symmetric slots that are fed by a fork-shaped microstrip line. Two PIN diodes are loaded in the slots to produce two different frequency bands. Meanwhile, two additional PIN diodes are inserted in the feed line to achieve the pattern reconfigurability. The wideband operation is realized by using the symmetric slots and fork-shaped feed line. Simulated and measured results show that the antenna provides 25 degrees and 20 degrees beam-steering in 3.4-3.8 and 3.7-4.2 GHz bands, respectively. Also, an impedance bandwidth of at least 12.8% is obtained in the operating bands.
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收藏
页数：7
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