A Wideband Dual-Polarized Dual-Mode Antenna With Simple Differential Feeding

被引：10

作者：

Zhou, Changfei ^{[1
]}

Guo, Lei ^{[1
]}

Sun, Hucheng ^{[2
]}

Li, Hui ^{[1
]}

Li, Min ^{[3
]}

机构：

[1] Dalian Univ Technol, Sch Informat & Commun Engn, Dalian 116024, Peoples R China

[2] Nanjing Univ Informat Sci & Technol, Res Ctr Appl Electromagnet, Nanjing 210044, Peoples R China

[3] Univ Hong Kong, Dept Elect & Elect Engn, Hong Kong, Peoples R China

来源：

IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2020年 / 19卷 / 10期

关键词：

Bandwidth; Antenna feeds; Inductors; Slot antennas; Dipole antennas; Substrates; Differential feeding; dual modes; dual-polarized antenna; wideband;

D O I：

10.1109/LAWP.2020.3013613

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 differentially fed dual-polarized dual-mode antenna is presented in this letter. Four slots are placed a square shape to construct the slot loop antenna, and the outer ground of the slot loop is bended to achieve a compact size. A simple out-of-phase power splitter with a wide bandwidth and accurate 180 degrees phase difference is integrated with the radiator to feed the slot loop. The 1 and 2 lambda modes of the slot loop antenna are excited with the differential feeding for a wide impedance bandwidth (IMBW). By loading the distributed inductors at the ends of each slot, a radiator size of 106 x 106 mm(2) is obtained to cover LTE700/GSM850/GSM900 bands. Measured results show that the antenna has the IMBWs of 0.63-1.09 GHz (0.46 GHz, 53.5%) and 0.63-1.08 GHz (0.45 GHz, 52.6%) for the two input ports, isolation of more than 31.5 dB, and stable gain of around 7.15 +/- 0.35 dBi for Port 1.

引用

页码：1664 / 1668

页数：5

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