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dc.contributor.author김형동-
dc.date.accessioned2020-08-27T05:49:44Z-
dc.date.available2020-08-27T05:49:44Z-
dc.date.issued2019-08-
dc.identifier.citationIET MICROWAVES ANTENNAS & PROPAGATION, v. 13, no. 10, Page. 1509-1514en_US
dc.identifier.issn1751-8725-
dc.identifier.issn1751-8733-
dc.identifier.urihttps://ieeexplore.ieee.org/document/8786954-
dc.identifier.urihttps://repository.hanyang.ac.kr/handle/20.500.11754/152658-
dc.description.abstractThis research proposes a single-fed circularly polarised (CP) antenna operating at 2.4 GHz for wireless local area network applications by utilising ground radiation, which is particularly applicable to small-size printed circuit boards (PCBs) such as the Internet of Things (IoT) devices. To simultaneously excite two orthogonal degenerate ground modes for CP wave radiation, ground mode tuning (GMT) technique is further adopted to adjust the resonant frequencies of the two ground modes. The proposed small antenna element is located at an optimum position of the PCB based on the analysis of the theory of characteristic modes for simultaneously exciting two ground characteristic modes. Experiments verify good performances with the compact size of 0.28 ${\rm \lambda }_0$lambda 0 x 0.28 ${\rm \lambda }_0$lambda 0 x 0.008 ${\rm \lambda }_0$lambda 0 (including the ground plane and antenna element) at 2.45 GHz. The proposed antenna achieves 3 dB axial ratio bandwidth of 10.6% (2.36-2.62 GHz) and -6 dB impedance bandwidth of 7.4% (2.34-2.52 GHz). The measured efficiency of the proposed antenna is 55.3%, and the direction of the maximum radiation for LHCP and RHCP is + z and - z, respectively. The measured gain is 1 dBi at 2.45 GHz. The proposed antenna applies to small-size PCBs for CP communication, which is desirable for practical wireless products.en_US
dc.description.sponsorshipThis work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIT) (No. 2019R1F1A1063993).en_US
dc.language.isoenen_US
dc.publisherINST ENGINEERING TECHNOLOGY-IETen_US
dc.subjectantenna radiation patternsen_US
dc.subjectmicrostrip antennasen_US
dc.subjectelectromagnetic wave polarisationen_US
dc.subjectantenna feedsen_US
dc.subjectUHF antennasen_US
dc.subjectwireless LANen_US
dc.subjectcompact circularly polarised antennaen_US
dc.subjectground planeen_US
dc.subjectwireless local area network applicationsen_US
dc.subjectsmall-size printed circuit boardsen_US
dc.subjectorthogonal degenerate ground modesen_US
dc.subjectground radiation antenna elementen_US
dc.subjectCP wave radiationen_US
dc.subjectground mode tuning techniqueen_US
dc.subjectmaximum radiation directionen_US
dc.subjectground characteristic modesen_US
dc.subjectCP communicationen_US
dc.subjectfrequency 2en_US
dc.subject36 GHz to 2en_US
dc.subject62 GHzen_US
dc.subjectfrequency 2en_US
dc.subject34 GHz to 2en_US
dc.subject52 GHzen_US
dc.subjectgain 1 dBen_US
dc.subjectefficiency 55en_US
dc.subject3 percenten_US
dc.titleCompact circularly polarised antenna utilising the radiation of the ground plane based on the theory of characteristic modesen_US
dc.typeArticleen_US
dc.relation.no10-
dc.relation.volume13-
dc.identifier.doi10.1049/iet-map.2018.5098-
dc.relation.page1509-1514-
dc.relation.journalIET MICROWAVES ANTENNAS & PROPAGATION-
dc.contributor.googleauthorPark, Donghee-
dc.contributor.googleauthorQu, Longyue-
dc.contributor.googleauthorKim, Hyeongdong-
dc.relation.code2019041229-
dc.sector.campusS-
dc.sector.daehakCOLLEGE OF ENGINEERING[S]-
dc.sector.departmentDEPARTMENT OF ELECTRONIC ENGINEERING-
dc.identifier.pidhdkim-
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > ELECTRONIC ENGINEERING(융합전자공학부) > Articles
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