Frequency Switchable Printed Yagi-Uda Dipole Sub-Array for Base Station Antennas

被引：35
作者：
Cai, Yong [1 ]
Guo, Y. Jay [1 ]
Qin, Pei-Yuan [1 ]
机构：
[1] CSIRO ICT Ctr, Epping, NSW 1710, Australia
来源：
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2012年 / 60卷 / 03期
关键词：
Base station; PIN diode; reconfigurable array antenna; Yagi-Uda antenna; BAND ANTENNAS;
D O I：
10.1109/TAP.2011.2180337
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 frequency switchable printed Yagi-Uda dipole sub-array is proposed as an array element for base station antennas. The sub-array consists of four Yagi-Uda dipole elements loaded with PIN diodes. The electrical lengths of the director and driven dipole elements can be changed by controlling the PIN diodes states so that the sub-array can operate in two different frequency bands. The impedance bandwidth (|S-11| <= -10 dB) is measured to be 4.9% and 12.9% in the lower (from 2.39 to 2.51 GHz) and higher band (from 3.18 to 3.62 GHz), respectively. The measured gain of the sub-array is 9.2 and 11.9 dBi at 2.44 and 3.4 GHz, respectively. The end-fire fan-beam pattern is obtained across the two operation bands, which makes the antenna element suitable for base station application with frequency reconfigurablity.
引用
收藏
页码：1639 / 1642
页数：5
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