This paper presents the design of a highly integrated eight port broadband slot antenna. The proposed slot antenna has a smaller footprint (33 × 33 × 0.8 mm³) and is constructed using one-quarter of an annular slot ring antenna. The miniaturized antenna has a broadband impedance characteristics covering 3 GHz–9 GHz making the antenna suitable for broadcasting applications within the realized 6 GHz bandwidth. The unit cell antenna is made polarization diverse by exciting the unit cell antenna with two feeds. The antenna is then replicated to produce an eight-port MIMO antenna. Thus the proposed antenna provides both polarization and pattern diversity characteristics. The average peak gain of the proposed MIMO antenna is greater than 5.51 dBi and the efficiency is greater than 80% throughout the operating bandwidth. The prototype antenna is fabricated and the simulation results are validated. Furthermore, the MIMO parameters such as envelope correlation coefficient, diversity gain and mean effective gain are evaluated and presented.

本文介绍了高度集成的八端口宽带缝隙天线的设计。拟议中的缝隙天线具有较小的占地面积（33×33×0.8 mm ³），并使用四分之一环形缝隙环形天线构成。小型化天线具有3 GHz–9 GHz的宽带阻抗特性，使该天线适合在已实现的6 GHz带宽内进行广播的应用。通过用两次馈电激励单位单元天线，可以使单位单元天线的极化发生变化。然后复制天线以产生八端口MIMO天线。因此，所提出的天线提供了极化和模式分集特性。所提出的MIMO天线的平均峰值增益大于5.51 dBi，并且在整个工作带宽内效率均大于80％。制作了原型天线并验证了仿真结果。此外，MIMO参数，例如包络相关系数，