Closely Arranged Broadband Isolated Monopole Pair Array Antenna by Using U-Shaped Resonator
A closely arranged broadband isolated monopole pair (MP) array antenna using a U-shaped resonator is presented. In the design, the MP element is closely arranged with a short distance of only 6 mm for a compact size. To achieve a broadband isolation in the MP element, a U-shaped resonator is introdu...
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| Veröffentlicht in: | IEEE antennas and wireless propagation letters 2024-03, Vol.23 (3), p.1040-1044 |
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| container_issue | 3 |
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| container_title | IEEE antennas and wireless propagation letters |
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| creator | Wen, Lehu Zhang, Min Hu, Wei Lu, Bao Xiao, Wenchao |
| description | A closely arranged broadband isolated monopole pair (MP) array antenna using a U-shaped resonator is presented. In the design, the MP element is closely arranged with a short distance of only 6 mm for a compact size. To achieve a broadband isolation in the MP element, a U-shaped resonator is introduced for improving both isolation and impedance performances. Different from the traditional decoupling method using connection lines, the introduced U-shaped resonator works as a shunt-resonated coupling neutralizer. It cannot only neutralize the original coupling in both lower and upper frequency bands for a broadband isolation but also improve the input impedance for a broad impedance bandwidth. Finally, a prototype of the four-pair MP array was fabricated and measured for performance demonstration. The detailed measured results prove that the developed array can have an overlapped bandwidth of 3.2-4.45 GHz (32.7%) for both impedance and isolation. In addition, the envelope correlation coefficient of less than 0.11 and high total efficiency of higher than 80% are achieved for wireless terminal applications. |
| doi_str_mv | 10.1109/LAWP.2023.3342270 |
| format | Article |
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In the design, the MP element is closely arranged with a short distance of only 6 mm for a compact size. To achieve a broadband isolation in the MP element, a U-shaped resonator is introduced for improving both isolation and impedance performances. Different from the traditional decoupling method using connection lines, the introduced U-shaped resonator works as a shunt-resonated coupling neutralizer. It cannot only neutralize the original coupling in both lower and upper frequency bands for a broadband isolation but also improve the input impedance for a broad impedance bandwidth. Finally, a prototype of the four-pair MP array was fabricated and measured for performance demonstration. The detailed measured results prove that the developed array can have an overlapped bandwidth of 3.2-4.45 GHz (32.7%) for both impedance and isolation. In addition, the envelope correlation coefficient of less than 0.11 and high total efficiency of higher than 80% are achieved for wireless terminal applications.</description><identifier>ISSN: 1536-1225</identifier><identifier>EISSN: 1548-5757</identifier><identifier>DOI: 10.1109/LAWP.2023.3342270</identifier><identifier>CODEN: IAWPA7</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Antenna arrays ; Antennas ; Array antenna ; Bandwidth ; Bandwidths ; Broadband ; Broadband antennas ; broadband isolation ; Correlation coefficients ; Coupling ; Couplings ; Decoupling method ; Frequencies ; Impedance ; Input impedance ; MIMO ; monopole pair (MP) ; Resonant frequency ; resonator ; Resonators</subject><ispartof>IEEE antennas and wireless propagation letters, 2024-03, Vol.23 (3), p.1040-1044</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. 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In the design, the MP element is closely arranged with a short distance of only 6 mm for a compact size. To achieve a broadband isolation in the MP element, a U-shaped resonator is introduced for improving both isolation and impedance performances. Different from the traditional decoupling method using connection lines, the introduced U-shaped resonator works as a shunt-resonated coupling neutralizer. It cannot only neutralize the original coupling in both lower and upper frequency bands for a broadband isolation but also improve the input impedance for a broad impedance bandwidth. Finally, a prototype of the four-pair MP array was fabricated and measured for performance demonstration. The detailed measured results prove that the developed array can have an overlapped bandwidth of 3.2-4.45 GHz (32.7%) for both impedance and isolation. In addition, the envelope correlation coefficient of less than 0.11 and high total efficiency of higher than 80% are achieved for wireless terminal applications.</description><subject>Antenna arrays</subject><subject>Antennas</subject><subject>Array antenna</subject><subject>Bandwidth</subject><subject>Bandwidths</subject><subject>Broadband</subject><subject>Broadband antennas</subject><subject>broadband isolation</subject><subject>Correlation coefficients</subject><subject>Coupling</subject><subject>Couplings</subject><subject>Decoupling method</subject><subject>Frequencies</subject><subject>Impedance</subject><subject>Input impedance</subject><subject>MIMO</subject><subject>monopole pair (MP)</subject><subject>Resonant frequency</subject><subject>resonator</subject><subject>Resonators</subject><issn>1536-1225</issn><issn>1548-5757</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNpNkEtPAjEQgBujiYj-ABMPm3hebGfafRyR-CDBSFTiwUPT0i4uWVtslwP_3l3g4Gkmk29eHyHXjI4Yo-XdbPw5HwEFHCFygJyekAETvEhFLvLTPscsZQDinFzEuKaU5ZnAAfmaND7aZpeMQ1BuZU1yH7wyWjmTTKNvVNuVXrzzG9_YZK7qsCc73rXWOZXoXbKItVsli_T9W206-s1G71TrwyU5q1QT7dUxDsni8eFj8pzOXp-mk_EsXULJ27S7twDNmFYl56hAgwBDK6GwqKzJMlAaEUSVi9JQbQUaDVAtOaUmQ8EtDsntYe4m-N-tja1c-21w3UoJJRb7V0VHsQO1DD7GYCu5CfWPCjvJqOwdyt6h7B3Ko8Ou5-bQU1tr__EosowL_AMEJWyW</recordid><startdate>20240301</startdate><enddate>20240301</enddate><creator>Wen, Lehu</creator><creator>Zhang, Min</creator><creator>Hu, Wei</creator><creator>Lu, Bao</creator><creator>Xiao, Wenchao</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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In the design, the MP element is closely arranged with a short distance of only 6 mm for a compact size. To achieve a broadband isolation in the MP element, a U-shaped resonator is introduced for improving both isolation and impedance performances. Different from the traditional decoupling method using connection lines, the introduced U-shaped resonator works as a shunt-resonated coupling neutralizer. It cannot only neutralize the original coupling in both lower and upper frequency bands for a broadband isolation but also improve the input impedance for a broad impedance bandwidth. Finally, a prototype of the four-pair MP array was fabricated and measured for performance demonstration. The detailed measured results prove that the developed array can have an overlapped bandwidth of 3.2-4.45 GHz (32.7%) for both impedance and isolation. 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| subjects | Antenna arrays Antennas Array antenna Bandwidth Bandwidths Broadband Broadband antennas broadband isolation Correlation coefficients Coupling Couplings Decoupling method Frequencies Impedance Input impedance MIMO monopole pair (MP) Resonant frequency resonator Resonators |
| title | Closely Arranged Broadband Isolated Monopole Pair Array Antenna by Using U-Shaped Resonator |
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