Dual-band and enhanced-isolation MIMO antenna with L-shaped meta-rim extended ground stubs for 5G mobile handsets
Dual-band and enhanced-isolation MIMO antenna with L-shaped meta-rim extended ground stubs for 5G mobile handsets
复制标题
适用于 5G 手机的双频增强隔离 MIMO 天线，具有 L 形元环扩展接地短截线
DOI：
10.1002/mmce.21776
复制
发表时间：
2019
影响因子：
1.7
通讯作者：
Wang Gaofeng
中科院分区：
文献类型：
--
作者：
Duan Jiangbo;Xu Kuiwen;Li Xungen;Chen Shichang;Zhao Peng;Wang Gaofeng
提出了一种用于 5G 移动通信的新型紧凑型平面双频多输入多输出 (MIMO) 天线，具有四个辐射元件。每个辐射元件都有一个平面折叠单极子，周围环绕着 L 形元边缘延伸接地短截线。紧凑的折叠臂作为主要辐射元件，同时与L形元边缘短截线相结合，所提出的天线形成多重谐振，从而实现双频段覆盖。仿真和测量结果表明，所提出的天线具有两个回波损耗为-6 dB的宽带，分别由1.6至3.6和4.1至6.1 GHz组成。元件之间无需任何额外的隔离结构，所提出的 2 × 2 MIMO 天线在两个所需频段的隔离度都可以达到优于 12 dB 的水平。测量结果表明，所提出的MIMO天线具有良好的性能，即辐射方向图稳定、效率高、对人体组织的比吸收比（SAR）低，适用于WLAN/LTE、4G和未来5G手机应用。
A novel compact planar dual‐band multiple input multiple output (MIMO) antenna with four radiating elements for 5G mobile communication is proposed. Each radiating element has a planar folded monopole, which is surrounded by L‐shaped meta‐rim extended ground stubs. The compact folded arms act as the main radiating elements, while combined with the L‐shaped meta‐rim stubs, the proposed antenna forms multiple resonances so as to achieve dual‐band coverage. The simulated and measured results show that the proposed antenna has two wide bands of −6 dB return loss, consisting of 1.6 to 3.6 and 4.1 to 6.1 GHz, respectively. Without any additional isolation structure between the elements, the isolation for the proposed 2 × 2 MIMO antenna in both desired bands can be achieved better than 12 dB. The measured results show that the proposed MIMO antenna with good performance, that is, stable radiation patterns, high efficiencies, low specific absorption ratio (SAR) to human tissues, is suitable for WLAN/LTE, 4G and future 5G mobile phone applications.