Characteristic Impedance Adjustment of Thin-Metal Mesh Transmission Lines for mmWave Display-Integrated Antennas
This paper proposes four methods and empirical formulas of adjusting characteristic impedances for thin-metal mesh transmission lines. The characteristic impedances are discretely adjusted by changing the number and the size of unit meshes, which provides macro-tuning capability, and the discrete va...
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| Veröffentlicht in: | IEEE access 2021, Vol.9, p.94714-94722 |
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| creator | Heo, Jin Myeong Sung, Eun Jin Kim, Jae Kyoung Byun, Gangil |
| description | This paper proposes four methods and empirical formulas of adjusting characteristic impedances for thin-metal mesh transmission lines. The characteristic impedances are discretely adjusted by changing the number and the size of unit meshes, which provides macro-tuning capability, and the discrete values can be tuned more precisely by varying the thin-metal line width and the aspect ratio of mesh geometry. The validity of proposed methods is confirmed by full-wave numerical simulations, and the simulated impedance variations are well-described by our empirical formulas. For further verifications, 26 distinguished samples of thin-metal mesh transmission lines and a 28-GHz thin-metal mesh antenna are fabricated, and their characteristics are measured in millimeter-wave spectrums. The measured results confirm that the proposed methods and empirical formulas can provide accurate and more flexible design rules for impedance adjustment, which allows potential advances in display-integrated antenna applications. |
| doi_str_mv | 10.1109/ACCESS.2021.3094160 |
| format | Article |
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The characteristic impedances are discretely adjusted by changing the number and the size of unit meshes, which provides macro-tuning capability, and the discrete values can be tuned more precisely by varying the thin-metal line width and the aspect ratio of mesh geometry. The validity of proposed methods is confirmed by full-wave numerical simulations, and the simulated impedance variations are well-described by our empirical formulas. For further verifications, 26 distinguished samples of thin-metal mesh transmission lines and a 28-GHz thin-metal mesh antenna are fabricated, and their characteristics are measured in millimeter-wave spectrums. The measured results confirm that the proposed methods and empirical formulas can provide accurate and more flexible design rules for impedance adjustment, which allows potential advances in display-integrated antenna applications.</description><identifier>ISSN: 2169-3536</identifier><identifier>EISSN: 2169-3536</identifier><identifier>DOI: 10.1109/ACCESS.2021.3094160</identifier><identifier>CODEN: IAECCG</identifier><language>eng</language><publisher>Piscataway: IEEE</publisher><subject>Antenna measurements ; Antennas ; Aspect ratio ; characteristic impedance ; Display-integrated ; Filling ; Finite element method ; Impedance ; Millimeter waves ; optically transparent ; Power transmission lines ; Solids ; thin-metal mesh ; Transmission line antennas ; Transmission line measurements ; Transmission lines</subject><ispartof>IEEE access, 2021, Vol.9, p.94714-94722</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 2021</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c408t-44de9d7a2d5c91d65a0f08e87659544d797052df1187e360899a380fb0575fa93</citedby><cites>FETCH-LOGICAL-c408t-44de9d7a2d5c91d65a0f08e87659544d797052df1187e360899a380fb0575fa93</cites><orcidid>0000-0002-1896-7469 ; 0000-0001-9388-9205</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/9471867$$EHTML$$P50$$Gieee$$Hfree_for_read</linktohtml><link.rule.ids>314,780,784,864,2102,4024,27633,27923,27924,27925,54933</link.rule.ids></links><search><creatorcontrib>Heo, Jin Myeong</creatorcontrib><creatorcontrib>Sung, Eun Jin</creatorcontrib><creatorcontrib>Kim, Jae Kyoung</creatorcontrib><creatorcontrib>Byun, Gangil</creatorcontrib><title>Characteristic Impedance Adjustment of Thin-Metal Mesh Transmission Lines for mmWave Display-Integrated Antennas</title><title>IEEE access</title><addtitle>Access</addtitle><description>This paper proposes four methods and empirical formulas of adjusting characteristic impedances for thin-metal mesh transmission lines. The characteristic impedances are discretely adjusted by changing the number and the size of unit meshes, which provides macro-tuning capability, and the discrete values can be tuned more precisely by varying the thin-metal line width and the aspect ratio of mesh geometry. The validity of proposed methods is confirmed by full-wave numerical simulations, and the simulated impedance variations are well-described by our empirical formulas. For further verifications, 26 distinguished samples of thin-metal mesh transmission lines and a 28-GHz thin-metal mesh antenna are fabricated, and their characteristics are measured in millimeter-wave spectrums. The measured results confirm that the proposed methods and empirical formulas can provide accurate and more flexible design rules for impedance adjustment, which allows potential advances in display-integrated antenna applications.</description><subject>Antenna measurements</subject><subject>Antennas</subject><subject>Aspect ratio</subject><subject>characteristic impedance</subject><subject>Display-integrated</subject><subject>Filling</subject><subject>Finite element method</subject><subject>Impedance</subject><subject>Millimeter waves</subject><subject>optically transparent</subject><subject>Power transmission lines</subject><subject>Solids</subject><subject>thin-metal mesh</subject><subject>Transmission line antennas</subject><subject>Transmission line measurements</subject><subject>Transmission lines</subject><issn>2169-3536</issn><issn>2169-3536</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><sourceid>ESBDL</sourceid><sourceid>RIE</sourceid><sourceid>DOA</sourceid><recordid>eNpNUcFu2zAMNYYNWNH1C3oR0LMzyZIs6Rh43RogxQ7NsKPAWlSjIJZcyRnQv69TF8V4IUHyvUfiVdU1oyvGqPm-7rrbh4dVQxu24tQI1tJP1UXDWlNzydvP_9Vfq6tSDnQOPbekuqjGbg8Z-glzKFPoyWYY0UHskazd4VSmAeNEkie7fYj1PU5wJPdY9mSXIZYhlBJSJNsQsRCfMhmGv_APyY9QxiO81Js44VOGCR1Zz2WMUL5VXzwcC16958vqz8_bXXdXb3__2nTrbd0LqqdaCIfGKWic7A1zrQTqqUatWmnkPFRGUdk4z5hWyFuqjQGuqX-kUkkPhl9Wm4XXJTjYMYcB8otNEOxbI-UnC3n--IhWolJCmEbyvhGUOvCMKqU58oY9CvQz183CNeb0fMIy2UM65TifbxspjJKtomdFvmz1OZWS0X-oMmrPTtnFKXt2yr47NaOuF1RAxA-EEYrpVvFXsjSOfw</recordid><startdate>2021</startdate><enddate>2021</enddate><creator>Heo, Jin Myeong</creator><creator>Sung, Eun Jin</creator><creator>Kim, Jae Kyoung</creator><creator>Byun, Gangil</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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The characteristic impedances are discretely adjusted by changing the number and the size of unit meshes, which provides macro-tuning capability, and the discrete values can be tuned more precisely by varying the thin-metal line width and the aspect ratio of mesh geometry. The validity of proposed methods is confirmed by full-wave numerical simulations, and the simulated impedance variations are well-described by our empirical formulas. For further verifications, 26 distinguished samples of thin-metal mesh transmission lines and a 28-GHz thin-metal mesh antenna are fabricated, and their characteristics are measured in millimeter-wave spectrums. The measured results confirm that the proposed methods and empirical formulas can provide accurate and more flexible design rules for impedance adjustment, which allows potential advances in display-integrated antenna applications.</abstract><cop>Piscataway</cop><pub>IEEE</pub><doi>10.1109/ACCESS.2021.3094160</doi><tpages>9</tpages><orcidid>https://orcid.org/0000-0002-1896-7469</orcidid><orcidid>https://orcid.org/0000-0001-9388-9205</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | Antenna measurements Antennas Aspect ratio characteristic impedance Display-integrated Filling Finite element method Impedance Millimeter waves optically transparent Power transmission lines Solids thin-metal mesh Transmission line antennas Transmission line measurements Transmission lines |
| title | Characteristic Impedance Adjustment of Thin-Metal Mesh Transmission Lines for mmWave Display-Integrated Antennas |
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