{"title":"A low-profile four-degrees of freedom antenna by collocating a ±45°-polarized dipole and a dual-polarized microstrip antenna with broadside radiations","authors":"Buyun Wang, Juan Chen, Sen Yan","doi":"10.1002/mop.34331","DOIUrl":null,"url":null,"abstract":"<p>This letter proposes a novel four-degrees of freedom (4-DOFs) antenna for 5.8 GHz wireless local area network band communications. The proposed antenna realizes 4-DOFs with a low profile (0.11<i>λ</i>), which is composed of ±45°-polarized dipole (DP), an artificial magnetic conductor (AMC) reflector, and a dual-polarized slot-loaded microstrip antenna (MA). The whole size of the proposed antenna is 83 mm × 83 mm × 5.9 mm (1.6<i>λ</i> × 1.6<i>λ</i> × 0.11<i>λ</i>). The DP is printed on the substrate with the wideband characteristic, and the MA operates at TM<sub>50</sub> mode. The AMC reflector operating for the DP is designed for the low profile, causing the low isolations between the DP and the MA. The broadside radiation with 4-DOFs is first reported. The envelope correlation coefficients are lower than 0.07, and the DOFs are 3.75. The measured results are in accord with the simulated results.</p>","PeriodicalId":18562,"journal":{"name":"Microwave and Optical Technology Letters","volume":"66 9","pages":""},"PeriodicalIF":1.0000,"publicationDate":"2024-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Microwave and Optical Technology Letters","FirstCategoryId":"5","ListUrlMain":"https://onlinelibrary.wiley.com/doi/10.1002/mop.34331","RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"ENGINEERING, ELECTRICAL & ELECTRONIC","Score":null,"Total":0}
引用次数: 0
Abstract
This letter proposes a novel four-degrees of freedom (4-DOFs) antenna for 5.8 GHz wireless local area network band communications. The proposed antenna realizes 4-DOFs with a low profile (0.11λ), which is composed of ±45°-polarized dipole (DP), an artificial magnetic conductor (AMC) reflector, and a dual-polarized slot-loaded microstrip antenna (MA). The whole size of the proposed antenna is 83 mm × 83 mm × 5.9 mm (1.6λ × 1.6λ × 0.11λ). The DP is printed on the substrate with the wideband characteristic, and the MA operates at TM50 mode. The AMC reflector operating for the DP is designed for the low profile, causing the low isolations between the DP and the MA. The broadside radiation with 4-DOFs is first reported. The envelope correlation coefficients are lower than 0.07, and the DOFs are 3.75. The measured results are in accord with the simulated results.
期刊介绍：
Microwave and Optical Technology Letters provides quick publication (3 to 6 month turnaround) of the most recent findings and achievements in high frequency technology, from RF to optical spectrum. The journal publishes original short papers and letters on theoretical, applied, and system results in the following areas.
- RF, Microwave, and Millimeter Waves
- Antennas and Propagation
- Submillimeter-Wave and Infrared Technology
- Optical Engineering
All papers are subject to peer review before publication
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