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논문 기본 정보

자료유형
학술저널
저자정보
Bayarmaa. O. (Faculty of Maritime Electron and Communication) Kab-Ki Kim (Faculty of Maritime Electron and Communication)
저널정보
한국정보기술학회 JOURNAL OF ADVANCED INFORMATION TECHNOLOGY AND CONVERGENCE JOURNAL OF ADVANCED INFORMATION TECHNOLOGY AND CONVERGENCE, VOL. 3, NO. 1
발행연도
2013.7
수록면
45 - 53 (9page)
DOI
10.14801/JAITC.2013.3.1.45

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초록· 키워드

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In this paper is proposed to design mobile handset antenna for make mobile handset more compact and thin. This antenna has an advantage of performing different frequency bands by one antenna design. For this purpose, a varactor diode is used in antenna design. Design and simulations are done using CST Microwave Studio program. A Reconfigurable Antenna is designed by using the FR-4 (lossy) substrate with the dielectric constant of er=4.3 and dielectric loss tangent 0.025. The substrate thickness of h=1.6mm, length=L_sub, width=W_sub. The ground is designed by using the PEC material with h-0.035mm and length=3/L_sub. The patch designed by using the copper with h=0.035mm, length=1/L_sub. In a result, return loss was below (S|11|<-13dB at 2.1GHz, S|11|<-24dB at 2.4GHz and S|11|<-13dB at 2.6GHz band. It is used varactor diode for tunably. Tunability is 5.19% at 2.1GHz, 0.035% at 2.4GHz and 12.5% at 2.6GHz. VSWR=1.5 at 2.1GHz, VSWR=1.1 at 2.48GHz and VSWR=1.5 at 2.6GHz. In the future, this antenna design will be fabricated and used in a mobile handset systems.

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Abstract
1. Introduction
2. Antenna Design
3. Experiment
4. Conclusion
References

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