An FSS Based Correlation Reduction Technique for MIMO Antennas

被引：64
作者：
Hassan, Tayyab [1 ]
Khan, Muhammad U. [1 ]
Attia, Hussein [2 ]
Sharawi, Mohammad S. [2 ]
机构：
[1] Natl Univ Sci & Technol, Res Inst Microwave & Millimeter Wave Studies, Islamabad 44000, Pakistan
[2] King Fahd Univ Petr & Minerals, Elect Engn Dept, Dhahran 31261, Saudi Arabia
来源：
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2018年 / 66卷 / 09期
关键词：
Correlation coefficient; Fabry-Perot (FP) cavity antenna; frequency selective surface (FSS); multiple-input-multiple-output (MIMO); SYSTEM; DIVERSITY; BAND; INPUT;
D O I：
10.1109/TAP.2018.2842256
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 communication presents a new technique to reduce the correlation coefficient value between adjacent antenna elements in multiple-input-multiple-output (MIMO) configurations. Unlike the conventional works which utilize port isolation enhancement methods for this purpose, the proposed approach adopts decorrelation of the radiation patterns of individual elements. To achieve this, a phase-gradient frequency selective surface is used as a superstrate above the antenna elements in a low profile Fabry-Perot cavity configuration. The effectiveness of the method is demonstrated by designing the system for a two-element MIMO antenna at 5.25 GHz. The proposed technique results in more than 95% reduction in the correlation coefficient value, thus projecting a better MIMO performance.
引用
收藏
页码：4900 / 4905
页数：6
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