Improvement of ground radiation antenna performance using compact EBG in presence of battery effects
- Title
- Improvement of ground radiation antenna performance using compact EBG in presence of battery effects
- Author
- 김형동
- Keywords
- antenna radiation patterns; photonic band gap; loop antennas; UHF resonators; VHF antennas; HF antennas; UHF antennas
- Issue Date
- 2018-06
- Publisher
- INST ENGINEERING TECHNOLOGY-IET
- Citation
- ELECTRONICS LETTERS, v. 54, no. 13, page. 798-800
- Abstract
- In Internet-of-things devices. to alleviate the performance degradation of the ground radiation antenna due to the large battery. two compact electromagnetic bandgap (El%) unit cells are introduced between the ground radiation antenna and the battery. The ground radiation antenna is comprised a small loop-type circuit that is designed within a 5-mm x 5-mm ground clearance for 2.4-GHz Vv'LAN applications. The compact ERG unit cell is a modified square split-ring resonator that is designed by meandering-line technology. The measurement results showed that the 3:1 VSWR impedance bandwidth of the ground radiation antenna increased from 30 to 90 MHz, and the average total efficiency increased from 19% to over 54% with and without the introduction of the ERG structure, respectively.
- URI
- https://digital-library.theiet.org/content/journals/10.1049/el.2018.1059https://repository.hanyang.ac.kr/handle/20.500.11754/118964
- ISSN
- 0013-5194; 1350-911X
- DOI
- 10.1049/el.2018.1059
- Appears in Collections:
- COLLEGE OF ENGINEERING[S](공과대학) > ELECTRONIC ENGINEERING(융합전자공학부) > Articles
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