Enhanced Matching and Vialess Decoupling of Nearby Patch Antennas for MIMO System
Simultaneous improvement of matching and isolation for a modified two-element microstrip patch antenna array is proposed. Two simple patch antennas in a linear array structure are designed, whereas the impedance matching and isolation are improved without using any conventional matching networks. Th...
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| Veröffentlicht in: | IEEE antennas and wireless propagation letters 2019-06, Vol.18 (6), p.1066-1070 |
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| container_end_page | 1070 |
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| container_issue | 6 |
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| container_title | IEEE antennas and wireless propagation letters |
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| creator | Ghannad, Amirhossein Alizadeh Khalily, Mohsen Xiao, Pei Tafazolli, Rahim Kishk, Ahmed A. |
| description | Simultaneous improvement of matching and isolation for a modified two-element microstrip patch antenna array is proposed. Two simple patch antennas in a linear array structure are designed, whereas the impedance matching and isolation are improved without using any conventional matching networks. The presented low-profile multifunctional vialess structure comprises only two narrow T-shaped stubs connected to feedlines, a narrow rectangular stub between them, and a narrow rectangular slot on the ground plane. This design provides a simple, compact structure with low mutual coupling, low cost, and no adverse effects on the radiation and resonance. To validate the design, a compact, very closely spaced antenna array prototype is fabricated at 5.5 GHz that is suitable for multiple-input-multiple-output systems. The measured and simulated results are in good agreement with 16 and 40 dB of improvements in the matching and isolation, respectively. |
| doi_str_mv | 10.1109/LAWP.2019.2906308 |
| format | Article |
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Two simple patch antennas in a linear array structure are designed, whereas the impedance matching and isolation are improved without using any conventional matching networks. The presented low-profile multifunctional vialess structure comprises only two narrow T-shaped stubs connected to feedlines, a narrow rectangular stub between them, and a narrow rectangular slot on the ground plane. This design provides a simple, compact structure with low mutual coupling, low cost, and no adverse effects on the radiation and resonance. To validate the design, a compact, very closely spaced antenna array prototype is fabricated at 5.5 GHz that is suitable for multiple-input-multiple-output systems. 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(IEEE) 2019</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c336t-f05f4d57ea1edee4db8688f2e42413880d1d6619c4c91d0a0654162bd04bfe4d3</citedby><cites>FETCH-LOGICAL-c336t-f05f4d57ea1edee4db8688f2e42413880d1d6619c4c91d0a0654162bd04bfe4d3</cites><orcidid>0000-0001-9265-7269 ; 0000-0002-9545-4552 ; 0000-0003-1861-5428 ; 0000-0002-7886-5878</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/8675379$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,780,784,796,27924,27925,54758</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/8675379$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Ghannad, Amirhossein Alizadeh</creatorcontrib><creatorcontrib>Khalily, Mohsen</creatorcontrib><creatorcontrib>Xiao, Pei</creatorcontrib><creatorcontrib>Tafazolli, Rahim</creatorcontrib><creatorcontrib>Kishk, Ahmed A.</creatorcontrib><title>Enhanced Matching and Vialess Decoupling of Nearby Patch Antennas for MIMO System</title><title>IEEE antennas and wireless propagation letters</title><addtitle>LAWP</addtitle><description>Simultaneous improvement of matching and isolation for a modified two-element microstrip patch antenna array is proposed. Two simple patch antennas in a linear array structure are designed, whereas the impedance matching and isolation are improved without using any conventional matching networks. The presented low-profile multifunctional vialess structure comprises only two narrow T-shaped stubs connected to feedlines, a narrow rectangular stub between them, and a narrow rectangular slot on the ground plane. This design provides a simple, compact structure with low mutual coupling, low cost, and no adverse effects on the radiation and resonance. To validate the design, a compact, very closely spaced antenna array prototype is fabricated at 5.5 GHz that is suitable for multiple-input-multiple-output systems. The measured and simulated results are in good agreement with 16 and 40 dB of improvements in the matching and isolation, respectively.</description><subject>Antenna arrays</subject><subject>Array antenna</subject><subject>Decoupling</subject><subject>Ground plane</subject><subject>Impedance matching</subject><subject>isolation</subject><subject>matching</subject><subject>Microstrip</subject><subject>Microstrip antenna arrays</subject><subject>Microstrip antennas</subject><subject>MIMO (control systems)</subject><subject>MIMO communication</subject><subject>multiple-input–multiple-output (MIMO)</subject><subject>Mutual coupling</subject><subject>Patch antennas</subject><subject>T shape</subject><issn>1536-1225</issn><issn>1548-5757</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kE1PAjEQhhujiYj-AOOliefFfm_3SBCVBATj17HpbqcCgS62y4F_724gnubN5HlnkgehW0oGlJLiYTr8XgwYocWAFURxos9Qj0qhM5nL_LzLXGWUMXmJrlJaE0JzJXkPvY3D0oYKHJ7Zplquwg-2weGvld1ASvgRqnq_23Tr2uNXsLE84EVH4mFoIASbsK8jnk1mc_x-SA1sr9GFt5sEN6fZR59P44_RSzadP09Gw2lWca6azBPphZM5WAoOQLhSK609A8EE5VoTR51StKhEVVBHLFFSUMVKR0TpW5z30f3x7i7Wv3tIjVnX-xjal4YxLjWTSrKWokeqinVKEbzZxdXWxoOhxHTmTGfOdObMyVzbuTt2VgDwz2uVS54X_A-oN2jo</recordid><startdate>20190601</startdate><enddate>20190601</enddate><creator>Ghannad, Amirhossein Alizadeh</creator><creator>Khalily, Mohsen</creator><creator>Xiao, Pei</creator><creator>Tafazolli, Rahim</creator><creator>Kishk, Ahmed A.</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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| ispartof | IEEE antennas and wireless propagation letters, 2019-06, Vol.18 (6), p.1066-1070 |
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| subjects | Antenna arrays Array antenna Decoupling Ground plane Impedance matching isolation matching Microstrip Microstrip antenna arrays Microstrip antennas MIMO (control systems) MIMO communication multiple-input–multiple-output (MIMO) Mutual coupling Patch antennas T shape |
| title | Enhanced Matching and Vialess Decoupling of Nearby Patch Antennas for MIMO System |
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