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Article: A miniaturized Yagi-Uda-oriented double-ring antenna with circular polarization and directional pattern
Title | A miniaturized Yagi-Uda-oriented double-ring antenna with circular polarization and directional pattern |
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Authors | |
Keywords | Circular polarization Patch hybrid coupler Ring radiator Ring reflector Yagi-Uda |
Issue Date | 2013 |
Publisher | Institute of Electrical and Electronics Engineers. The Journal's web site is located at http://ieeexplore.ieee.org/xpl/RecentIssue.jsp?punumber=7727 |
Citation | IEEE Antennas and Wireless Propagation Letters, 2013, v. 12, p. 945-948 How to Cite? |
Abstract | A compact circular polarized (CP) double-ring antenna with directional pattern is proposed based on the Yagi-Uda concept. After integrating a local-grounded coupler inside the square ring, a circular polarized wave can be effectively radiated by exciting two orthogonally linearly polarized fundamental modes of the ring resonator, leading to a smaller size than using other high-order modes of the ring. Since the side length of miniaturized patch hybrid coupler is much smaller than the quarter-wavelength ( ), the whole coupler plus feeders can be fully embedded inside the ring radiator. To obtain a directional radiation pattern, the second meandered ring is then mounted under the square ring, which can be considered as an inductive Yagi-Uda reflector. Since the physical area of the reflector is almost the same with the square-ring radiator, the total size of the antenna is only about , which can be a good candidate of the antennas for handled mobile terminals. Finally, a prototype of the proposed antenna is designed and fabricated. The measured results show a good agreement with the simulated results |
Persistent Identifier | http://hdl.handle.net/10722/200602 |
ISSN | 2021 Impact Factor: 3.825 2020 SCImago Journal Rankings: 1.328 |
ISI Accession Number ID |
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Li, Y | en_US |
dc.contributor.author | Sun, S | en_US |
dc.contributor.author | Yang, F | en_US |
dc.date.accessioned | 2014-08-21T06:52:38Z | - |
dc.date.available | 2014-08-21T06:52:38Z | - |
dc.date.issued | 2013 | en_US |
dc.identifier.citation | IEEE Antennas and Wireless Propagation Letters, 2013, v. 12, p. 945-948 | en_US |
dc.identifier.issn | 1536-1225 | - |
dc.identifier.uri | http://hdl.handle.net/10722/200602 | - |
dc.description.abstract | A compact circular polarized (CP) double-ring antenna with directional pattern is proposed based on the Yagi-Uda concept. After integrating a local-grounded coupler inside the square ring, a circular polarized wave can be effectively radiated by exciting two orthogonally linearly polarized fundamental modes of the ring resonator, leading to a smaller size than using other high-order modes of the ring. Since the side length of miniaturized patch hybrid coupler is much smaller than the quarter-wavelength ( ), the whole coupler plus feeders can be fully embedded inside the ring radiator. To obtain a directional radiation pattern, the second meandered ring is then mounted under the square ring, which can be considered as an inductive Yagi-Uda reflector. Since the physical area of the reflector is almost the same with the square-ring radiator, the total size of the antenna is only about , which can be a good candidate of the antennas for handled mobile terminals. Finally, a prototype of the proposed antenna is designed and fabricated. The measured results show a good agreement with the simulated results | en_US |
dc.language | eng | en_US |
dc.publisher | Institute of Electrical and Electronics Engineers. The Journal's web site is located at http://ieeexplore.ieee.org/xpl/RecentIssue.jsp?punumber=7727 | en_US |
dc.relation.ispartof | IEEE Antennas and Wireless Propagation Letters | en_US |
dc.subject | Circular polarization | - |
dc.subject | Patch hybrid coupler | - |
dc.subject | Ring radiator | - |
dc.subject | Ring reflector | - |
dc.subject | Yagi-Uda | - |
dc.title | A miniaturized Yagi-Uda-oriented double-ring antenna with circular polarization and directional pattern | en_US |
dc.type | Article | en_US |
dc.identifier.email | Li, Y: liyan@eee.hku.hk | en_US |
dc.identifier.email | Sun, S: sunsheng@hku.hk | en_US |
dc.identifier.authority | Sun, S=rp01431 | en_US |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1109/LAWP.2013.2274491 | en_US |
dc.identifier.scopus | eid_2-s2.0-84897668852 | - |
dc.identifier.hkuros | 232152 | en_US |
dc.identifier.volume | 12 | en_US |
dc.identifier.spage | 945 | en_US |
dc.identifier.epage | 948 | en_US |
dc.identifier.isi | WOS:000323513900003 | - |
dc.publisher.place | United States | en_US |
dc.identifier.issnl | 1536-1225 | - |