{"title":"Analyzing DGS behavior for a MIMO antenna system using theory of characteristic modes","authors":"A. Ghalib, M. Sharawi","doi":"10.1109/MECAP.2016.7790087","DOIUrl":null,"url":null,"abstract":"In this paper, the Theory of characteristic modes (TCM) is used for analyzing the behavior of a defected ground structure (DGS) as an Isolation enhancement method for Multi-Input-Multi-Output (MIMO) antenna systems. For analysis purposes a MIMO antenna system consisting of PIFA elements is used. Modes of the antennas were analyzed and the modes contributing to coupling were blocked by the DGS. The other modes are not significantly affected by the addition of the DGS. Using this approach we were able to get 5 dB extra isolation in the Bandwidth of interest.","PeriodicalId":366020,"journal":{"name":"2016 IEEE Middle East Conference on Antennas and Propagation (MECAP)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2016-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"9","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2016 IEEE Middle East Conference on Antennas and Propagation (MECAP)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/MECAP.2016.7790087","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 9
Abstract
In this paper, the Theory of characteristic modes (TCM) is used for analyzing the behavior of a defected ground structure (DGS) as an Isolation enhancement method for Multi-Input-Multi-Output (MIMO) antenna systems. For analysis purposes a MIMO antenna system consisting of PIFA elements is used. Modes of the antennas were analyzed and the modes contributing to coupling were blocked by the DGS. The other modes are not significantly affected by the addition of the DGS. Using this approach we were able to get 5 dB extra isolation in the Bandwidth of interest.
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