JOURNAL ARTICLE

Design of Dual Half Wavelength Loaded Line Antenna for Multiband Mobile Handsets

Jinwoo ParkDuk-Gu KimByungwoon JungMyun‐Joo ParkYoung-Seek CheongByungje Lee

Year: 2007 Journal:   The Journal of Korean Institute of Electromagnetic Engineering and Science Vol: 18 (3)Pages: 265-272   Publisher: The Korean Institute of Electromagnetic Engineering and Science

Abstract

본 논문에서는 다중 대역 이동 통신 단말기로의 적용을 위하여 이중 반파장 로디드 라인 구조를 이용한 주파수 가변 안테나가 제안되었다. 제안된 안테나는 추가된 두 개의 인덕턴스 값의 조절을 통하여 두 개의 대역에서 독립적인 주파수 이동이 가능하다. 제작된 안테나의 측정을 통하여 이 안테나는 약 0.54 dB의 적은 최대 이득 변화 내에서 $CELLULAR(824\sim894\;MHz)$, $EGSM(880\sim960\;MHz)$, $DCS1800(1,710\sim1,880\;MHz)$, $PCS1900(1,850\sim1,990\;MHz)$, $WCDMA(1,920\sim2,170\;MHz)$의 대역을 만족할 수 있는 넓은 유효 대역폭을 가지고 있음을 확인하였다. In this paper, a frequency changeable antenna using dual half wavelength loaded line structure is proposed for multiband mobile handset applications. The proposed antenna has a capability of independent frequency shift by controlling two added inductance values in two different bands. Experimental results indicate that the proposed antenna provides enough effective bandwidth to cover $CELLULAR(824\sim894\;MHz)$, $EGSM(880\sim960\;MHz)$, $DCS1800(1,710\sim1,880\;MHz)$, $PCS1900(1,850\sim1,990\;MHz)$ and $WCDMA(1,920\sim2,170\;MHz)$ bands and peak gain variation is only 0.54 dB.

Keywords:
Handset Bandwidth (computing) Antenna (radio) W-CDMA Electrical engineering Physics Electronic engineering Computer science Engineering Telecommunications Code division multiple access

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Topics

Antenna Design and Analysis
Physical Sciences →  Engineering →  Aerospace Engineering
Microwave Engineering and Waveguides
Physical Sciences →  Engineering →  Electrical and Electronic Engineering
Advanced Antenna and Metasurface Technologies
Physical Sciences →  Engineering →  Aerospace Engineering

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