A Compact Wideband Dielectric Resonator Antenna With a Meandered Slot Ring and Cavity Backing
We design a compact cavity-backed antenna structure where a dielectric resonator (DR) element is surrounded by a meandered circular slot ring to enhance radiation efficiency. The DR for the antenna is cylindrical in shape, and four degenerate HE 11δ modes are excited and driven by four, quadrature-f...
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| Veröffentlicht in: | IEEE antennas and wireless propagation letters 2016, Vol.15, p.909-913 |
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| container_title | IEEE antennas and wireless propagation letters |
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| creator | Podilchak, Symon K. Johnstone, Jonathan C. Caillet, Mathieu Clenet, Michel Antar, Yahia M. M. |
| description | We design a compact cavity-backed antenna structure where a dielectric resonator (DR) element is surrounded by a meandered circular slot ring to enhance radiation efficiency. The DR for the antenna is cylindrical in shape, and four degenerate HE 11δ modes are excited and driven by four, quadrature-fed aperture-coupled slots. Such a compact implementation hybridizes operation of the DR with the miniaturized ring as well as the four aperture-coupled slots for circular polarization. Measured realized gain values are greater than 5 dBic from 1.14 to 1.55 GHz defining a bandwidth of more than 30%. In addition, the half-power and 3-dB axial-ratio beamwidths were measured to be more than 100 ° and 200 °, respectively. The proposed design technique to employ such a secondary meandered slot ring may also be useful to improve antenna gain, bandwidth, and efficiency for other antenna and array structures. |
| doi_str_mv | 10.1109/LAWP.2015.2480547 |
| format | Article |
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M.</creator><creatorcontrib>Podilchak, Symon K. ; Johnstone, Jonathan C. ; Caillet, Mathieu ; Clenet, Michel ; Antar, Yahia M. M.</creatorcontrib><description>We design a compact cavity-backed antenna structure where a dielectric resonator (DR) element is surrounded by a meandered circular slot ring to enhance radiation efficiency. The DR for the antenna is cylindrical in shape, and four degenerate HE 11δ modes are excited and driven by four, quadrature-fed aperture-coupled slots. Such a compact implementation hybridizes operation of the DR with the miniaturized ring as well as the four aperture-coupled slots for circular polarization. Measured realized gain values are greater than 5 dBic from 1.14 to 1.55 GHz defining a bandwidth of more than 30%. In addition, the half-power and 3-dB axial-ratio beamwidths were measured to be more than 100 ° and 200 °, respectively. The proposed design technique to employ such a secondary meandered slot ring may also be useful to improve antenna gain, bandwidth, and efficiency for other antenna and array structures.</description><identifier>ISSN: 1536-1225</identifier><identifier>EISSN: 1548-5757</identifier><identifier>DOI: 10.1109/LAWP.2015.2480547</identifier><identifier>CODEN: IAWPA7</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Antenna measurements ; Broadband antennas ; Cavity resonators ; circular polarization (CP) ; compact antennas ; dielectric resonator (DR) ; Dielectric resonator antennas ; Dielectrics ; Gain ; slot antenna ; Slot antennas</subject><ispartof>IEEE antennas and wireless propagation letters, 2016, Vol.15, p.909-913</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 2016</rights><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c293t-12665bf34f4f585a095cc68b2f619631429eb08f178991417892bdda81b49e6a3</citedby><cites>FETCH-LOGICAL-c293t-12665bf34f4f585a095cc68b2f619631429eb08f178991417892bdda81b49e6a3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/7273851$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,777,781,793,4010,27904,27905,27906,54739</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/7273851$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Podilchak, Symon K.</creatorcontrib><creatorcontrib>Johnstone, Jonathan C.</creatorcontrib><creatorcontrib>Caillet, Mathieu</creatorcontrib><creatorcontrib>Clenet, Michel</creatorcontrib><creatorcontrib>Antar, Yahia M. M.</creatorcontrib><title>A Compact Wideband Dielectric Resonator Antenna With a Meandered Slot Ring and Cavity Backing</title><title>IEEE antennas and wireless propagation letters</title><addtitle>LAWP</addtitle><description>We design a compact cavity-backed antenna structure where a dielectric resonator (DR) element is surrounded by a meandered circular slot ring to enhance radiation efficiency. The DR for the antenna is cylindrical in shape, and four degenerate HE 11δ modes are excited and driven by four, quadrature-fed aperture-coupled slots. Such a compact implementation hybridizes operation of the DR with the miniaturized ring as well as the four aperture-coupled slots for circular polarization. Measured realized gain values are greater than 5 dBic from 1.14 to 1.55 GHz defining a bandwidth of more than 30%. In addition, the half-power and 3-dB axial-ratio beamwidths were measured to be more than 100 ° and 200 °, respectively. The proposed design technique to employ such a secondary meandered slot ring may also be useful to improve antenna gain, bandwidth, and efficiency for other antenna and array structures.</description><subject>Antenna measurements</subject><subject>Broadband antennas</subject><subject>Cavity resonators</subject><subject>circular polarization (CP)</subject><subject>compact antennas</subject><subject>dielectric resonator (DR)</subject><subject>Dielectric resonator antennas</subject><subject>Dielectrics</subject><subject>Gain</subject><subject>slot antenna</subject><subject>Slot antennas</subject><issn>1536-1225</issn><issn>1548-5757</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kNtKw0AQhhdRsFYfQLxZ8Dp1z4fLGI9QUarSK1k2m42mtkndbIW-vRtavJph-P6Z4QPgHKMJxkhfTfP5y4QgzCeEKcSZPAAjzJnKuOTycOipyDAh_Bic9P0CISwFpyPwkcOiW62ti3DeVL60bQVvGr_0LobGwZnvu9bGLsC8jb5tbaLiF7TwySfSB1_B12UX4axpP-GQLexvE7fw2rrvNDoFR7Vd9v5sX8fg_e72rXjIps_3j0U-zRzRNKa_hOBlTVnNaq64RZo7J1RJaoG1oJgR7UukaiyV1pgNhZRVZRUumfbC0jG43O1dh-5n4_toFt0mtOmkSbBERBJMEoV3lAtd3wdfm3VoVjZsDUZmsGgGi2awaPYWU-Zil2m89_-8JJIqjukftOhsGA</recordid><startdate>2016</startdate><enddate>2016</enddate><creator>Podilchak, Symon K.</creator><creator>Johnstone, Jonathan C.</creator><creator>Caillet, Mathieu</creator><creator>Clenet, Michel</creator><creator>Antar, Yahia M. 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M.</creatorcontrib><collection>IEEE All-Society Periodicals Package (ASPP) 2005-present</collection><collection>IEEE All-Society Periodicals Package (ASPP) 1998-Present</collection><collection>IEEE Electronic Library (IEL)</collection><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>IEEE antennas and wireless propagation letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Podilchak, Symon K.</au><au>Johnstone, Jonathan C.</au><au>Caillet, Mathieu</au><au>Clenet, Michel</au><au>Antar, Yahia M. M.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A Compact Wideband Dielectric Resonator Antenna With a Meandered Slot Ring and Cavity Backing</atitle><jtitle>IEEE antennas and wireless propagation letters</jtitle><stitle>LAWP</stitle><date>2016</date><risdate>2016</risdate><volume>15</volume><spage>909</spage><epage>913</epage><pages>909-913</pages><issn>1536-1225</issn><eissn>1548-5757</eissn><coden>IAWPA7</coden><abstract>We design a compact cavity-backed antenna structure where a dielectric resonator (DR) element is surrounded by a meandered circular slot ring to enhance radiation efficiency. The DR for the antenna is cylindrical in shape, and four degenerate HE 11δ modes are excited and driven by four, quadrature-fed aperture-coupled slots. Such a compact implementation hybridizes operation of the DR with the miniaturized ring as well as the four aperture-coupled slots for circular polarization. Measured realized gain values are greater than 5 dBic from 1.14 to 1.55 GHz defining a bandwidth of more than 30%. In addition, the half-power and 3-dB axial-ratio beamwidths were measured to be more than 100 ° and 200 °, respectively. The proposed design technique to employ such a secondary meandered slot ring may also be useful to improve antenna gain, bandwidth, and efficiency for other antenna and array structures.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/LAWP.2015.2480547</doi><tpages>5</tpages></addata></record> |
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| language | eng |
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| source | IEEE Electronic Library (IEL) |
| subjects | Antenna measurements Broadband antennas Cavity resonators circular polarization (CP) compact antennas dielectric resonator (DR) Dielectric resonator antennas Dielectrics Gain slot antenna Slot antennas |
| title | A Compact Wideband Dielectric Resonator Antenna With a Meandered Slot Ring and Cavity Backing |
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