{"title":"A high-gain compact size four-port MIMO antenna array working at 28 GHz","authors":"Hailong Yu, Dazhi Piao","doi":"10.1109/APCAP.2017.8420801","DOIUrl":null,"url":null,"abstract":"In this paper, a design of massive MIMO antenna array working at millimeter wave (mmW) band with compact size and high gain is attempted based on resonant cavity antenna (RCA). Specifically, a 4-port MIMO antenna array working at 28 GHz with element spacing of 0.7 λ is presented, which consists of two layers of substrates. The upper layer is a frequency selective surface, and the lower layer consists of 4 microstrip patches being the MIMO feeding forts. Thus, the gain of each MIMO port can be improved sharply by sharing the same resonator without the need of designing complex feeding networks. Each port of the MIMO antenna array can obtain a gain around 15.2 dBi with a compact size of 25 mm × 25 mm (2.3 λ×2.3 λ).","PeriodicalId":367467,"journal":{"name":"2017 Sixth Asia-Pacific Conference on Antennas and Propagation (APCAP)","volume":"18 9","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2017-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2017 Sixth Asia-Pacific Conference on Antennas and Propagation (APCAP)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/APCAP.2017.8420801","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
Abstract
In this paper, a design of massive MIMO antenna array working at millimeter wave (mmW) band with compact size and high gain is attempted based on resonant cavity antenna (RCA). Specifically, a 4-port MIMO antenna array working at 28 GHz with element spacing of 0.7 λ is presented, which consists of two layers of substrates. The upper layer is a frequency selective surface, and the lower layer consists of 4 microstrip patches being the MIMO feeding forts. Thus, the gain of each MIMO port can be improved sharply by sharing the same resonator without the need of designing complex feeding networks. Each port of the MIMO antenna array can obtain a gain around 15.2 dBi with a compact size of 25 mm × 25 mm (2.3 λ×2.3 λ).
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