A Decoupled Multiband Dual-Antenna System for WWAN/LTE Smartphone Applications

作者：Dong, Jian^*; Yu, Xiaping; Deng, Lianwen

来源：IEEE Antennas and Wireless Propagation Letters, 2017, 16: 1528-1532.

DOI：10.1109/LAWP.2017.2647807

• Decoupled antennas
• multiband antenna
• multiple-input-multiple-output (MIMO)
• smartphone applications

A compact printed multiband decoupled dualantenna system for WWAN/LTE smartphone applications is presented. The proposed dual-antenna system is composed of two groups of symmetrical bending structures and uses the structure of the slotted and protruded ground to reduce the coupling between elements. A measured impedance bandwidth with S-11 lower than -6 dB over 740-965 and 1380-2703 MHz is obtained. The isolation between elements is better than 10 dB within the operating bands. Based on 3-D radiation patterns, the envelope coefficient, the mean effective gain, and the diversity gain are calculated. The results show that a good diversity performance is achieved for the proposed dual antenna, which makes the antenna suitable for WWAN/LTE smartphone applications.

• 出版日期2017
• 单位中南大学