Scattering Suppression in a 4G and 5G Base Station Antenna Array Using Spiral Chokes

被引：75
作者：
Sun, Hai-Han [1 ]
Zhu, He [2 ]
Ding, Can [2 ]
Jones, Bevan [2 ]
Guo, Y. Jay [2 ]
机构：
[1] Nanyang Technol Univ, Singapore 639798, Singapore
[2] Univ Technol Sydney, Sydney, NSW 2007, Australia
来源：
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2020年 / 19卷 / 10期
基金：
澳大利亚研究理事会;
关键词：
Spirals; Antenna arrays; Scattering; Antenna radiation patterns; Dual band; Inductors; Resonant frequency; Base station antennas (BSA); 4G; 5G; choking techniques; cross-band scattering suppression; dual-band arrays; DUAL-BROAD-BAND;
D O I：
10.1109/LAWP.2020.3019930
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：
This letter presents a novel distributed choking technique, the spiral choke, for scattering suppression in dual-band antenna arrays. The working principle and the scattering suppression capability of the choke are analyzed. The spiral chokes are implemented as low-band radiators in a colocated 4G and 5G dual-band array to suppress cross-band scattering while broadening the bandwidth of the choked element. The experimental results demonstrate that the cross-band scattering in the array is largely eliminated, and the realized dual-band array has very stable radiation performance in both well-matched bands.
引用
收藏
页码：1818 / 1822
页数：5
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