科研之友
微信
新浪微博
Facebook
分享链接
摘要
A +/- 45 degrees dual-polarized antenna is proposed in this paper for broadband base station applications. It consists of two crossed hollow dipoles realizing polarization diversity operation and a box-shaped reflector achieving unidirectional radiation. Due to the integration of casting, the proposed antenna has sturdy construction. Besides, it can realize broadband by a single radiator without the need for additional parasitic radiator. A prototype of the proposed antenna was fabricated and tested. Measured results show that it operates from 1.68 to 2.72 GHz (|S-11|<15 dB) with isolation higher than 31 dB. Stable radiation patterns with half-power beam widths (HPBWs) of around 70 degrees in H-plane, along with stable gain of around 8.5 dBi are obtained. A four-element array based on this antenna element is then experimentally studied. It tunes out that the array can provide a bandwidth of 48.2% from 1.7 to 2.78 GHz for both ports. The HPBWs for the array are about 63 degrees in H-plane and 15 degrees in V-plane. The gain of the antenna array ranges from 10.7 to 13.9 dBi over the entire working band. Details of the antenna design and results are presented and discussed below.
- 出版日期2016-12
- 单位西安电子科技大学
