Asymmetric Folded Dipole Antenna With High Front-to-Back Ratio for LTE Base Stations

被引：20

作者：

Govindanarayanan, Idayachandran ^{[1
]}

Rangaswamy, Nakkeeran ^{[1
]}

机构：

[1] Pondicherry Univ, Sch Engn & Technol, Dept Elect Engn, Pondicherry 605014, India

来源：

IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2016年 / 15卷

关键词：

Asymmetric folded dipole; broadband base station antenna; front-to-back ratio; Long Term Evolution; PATCH ANTENNA; BAND; STRIP;

D O I：

10.1109/LAWP.2015.2478197

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：

In this letter, a broadband asymmetric folded dipole antenna with high front-to-back ratio (FBR) for LTE base stations is proposed. The proposed antenna consists of asymmetric folded dipoles, a planar hook-shaped microstripline, and a square metal reflector. By loading an appropriate circular aperture on the reflector, the back radiation of the antenna is effectively reduced, thereby improving the FBR. At S-11 = -15 dB, the simulated and measured impedance bandwidth of the proposed antenna is 58.2% (1.62-2.95 GHz) and 52.1% (1.66-2.83 GHz), respectively. The antenna exhibits desired unidirectional radiation pattern with half-power beamwidth greater than 65 degrees at both principal planes and FBR from 18.6 to 25 dB in the frequency range of interest, 1.7-2.7 GHz. Also, it has an average gain of 7.5 dBi.

引用

页码：869 / 872

页数：4

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