Wideband Dual-Mode Patch Antenna With Compact CPW Feeding Network for Pattern Diversity Application

被引：48
作者：
Deng, Changjiang [1 ]
Lv, Xin [1 ]
Feng, Zhenghe [2 ]
机构：
[1] Beijing Inst Technol, Beijing Key Lab Millimeter Wave & Terahertz Techn, Sch Informat & Elect, Beijing 100081, Peoples R China
[2] Tsinghua Univ, Dept Elect Engn, State Key Microwave & Digital Commun, Tsinghua Natl Lab Informat Sci & Technol, Beijing 100084, Peoples R China
来源：
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2018年 / 66卷 / 05期
基金：
中国国家自然科学基金;
关键词：
Coplanar waveguide (CPW) feeding; even/odd mode patch; pattern diversity; wideband patch antenna; LOW-PROFILE; TRIPOLARIZATION ANTENNA; CROSS-POLARIZATION; PROBE;
D O I：
10.1109/TAP.2018.2809791
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 microstrip patch antenna is proposed in this communication for pattern diversity application. Broadside and omnidirectional radiation patterns are generated by the odd and even modes of a single circular patch. A compact feeding network based on coplanar waveguide is designed to provide in-phase and out-of-phase excitations, which can excite the two modes in wide bandwidth. The size of the feeding network is only 35 x 14.5 mm(2). A prototype of the proposed antenna is fabricated and tested. The measured overlapped bandwidth (vertical bar S-11 vertical bar < -10 dB and vertical bar S-22 vertical bar < -10 dB) achieves 775 MHz (2.165-2.94 GHz) or 31% corresponding to the center frequency. The Port isolation is below -28 dB in the entire bandwidth.
引用
收藏
页码：2628 / 2633
页数：6
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