Smartphone Wi-fi Antenna의 최적화에 대한 연구
*경*
다운로드
장바구니
목차
1. Simulation을 통해 안테나의 경향성 분석(길이변화에 따른 S11, smith)2. Simulation을 통해 도출된 2.4GHz 대역의 Antenna를 설계(목표는 S11=-6dB 이하, Bandwidth : 2.4 ~ 2.48GHz, eff :20% 이상)
3. Passive test
4. Active test
5. Passive test와 Active test의 성능 차이에 대한 원인 분석
6. 결론
본문내용
이 보고서에는 Smartphone에서의 Wi-Fi 용도로 설계된 PIFA(Planar Inverted-F Antenna)안테나에 대한 분석을 다루고 있다. 안테나의 기본적인 이론과 PIFA안테나를 Smartphone의 환경과 비슷하게 모델링하여 시뮬레이션으로 분석한 Rectangular plot과 Smith Chart분석 그리고 실제 레퍼런스로 구현한 안테나 측정과 액티브에 적용하여 안테나를 분석한 결과를 다루고 있다.이론 부분에서는 분석 대상으로 잡았던, PIFA 안테나에 대한 이론분석과 설계방법을 다루고 있다.
시뮬레이션 부분에서는 기존에 사용되고 있는 안테나를 기본으로 하여 모양을 변형해 가며 PIFA안테나를 시뮬레이션으로 구현하여 Resonance Frequency 분석과 Smith chart를 분석하였다.
실제 제작 부분에서는 시뮬레이션으로 분석하였던 PIFA안테나를 실제 제작하는 과정과 실제 제작한 안테나를 레퍼런스 시료에 장착하여 Network Analyzer분석과 Chamber분석을 한 결과와 이를 토대로 Active 시료에 제작한 안테나를 장착하여 어플을 이용하여 실제 와이파이 신호 도달세기를 장소의 차별을 두어 측정한 결과를 다루었다. 또한 Passive Test와 Active Test 사이에 발생하는 차이에 대한 원인에 대해 시뮬레이션하고 분석하였다.
참고 자료
“Antenna Theory, Analysis and Design 3rd”, Balanis, Wiley“Microwave Engineering 3rd”, David M. Pozar, Wiley
“Engineering Electromagnetics 7th”, Wiliam H. Haytm, JR, Mcgrawhill
“Antenna Design For Mobile Devices”, Zhijun Zhang., John Wiley&Sons(Asia)
“IMT-2000 단말기용 광대역 PIFA 설계(Design of a Broadband PIFA for IMT-2000 Handheld Terminal)”, 김승환, 오경진, 김정표, 최재훈, 이태윤
“사이즈 감소를 위한 이중대역 PIFA 안테나 설계 및 제작”, 임동철, 박효달
“추가 단락판을 이용한 소형 및 광대역 특성화 PIFA(Planar Inverted F Antenna) 설계”, 오경진, 한영태, 최재훈
“GSM 단말기에서 두부 팬텀 조건하의 방사 전력 최적화를 위한 단말기 구조에 관한 연구”, 양부영, 김정민, 육종관
“ www.rfdh.com”
http://ko.wikipedia.org/wiki/싸이언옵티머스마하
“초고주파 안테나의 기초와 이동통신 안테나 시스템”, NTT이동통신망㈜ 안테나연구그룹 저, 국제테크노정보연구소 기술정보팀
압축파일 내 파일목록
Analysis of Smartphone Wi-Fi PIFA.doc
Analysis of Smartphone Wi-Fi PIFA.ppt
chamber test/passive test.xls
chamber test/reference antenna.xls
HFSS Simulation/1_1db.csv
HFSS Simulation/1_1smith.csv
HFSS Simulation/1_2db.csv
HFSS Simulation/1_2smith.csv
HFSS Simulation/2_1db.csv
HFSS Simulation/2_1smith.csv
HFSS Simulation/2_2db.csv
HFSS Simulation/2_2smith.csv
HFSS Simulation/3_1db.csv
HFSS Simulation/3_1smith.csv
HFSS Simulation/3_2db.csv
HFSS Simulation/3_2smith.csv
HFSS Simulation/4-1db.csv
HFSS Simulation/4-1smith.csv
HFSS Simulation/4-2db.csv
HFSS Simulation/4-2smith.csv
HFSS Simulation/5_1db.csv
HFSS Simulation/5_1smith.csv
HFSS Simulation/5_2db.csv
HFSS Simulation/7Aeff.csv
HFSS Simulation/7_antenna.hfss
HFSS Simulation/7안테나.bmp
HFSS Simulation/Active Simulation/1.hfss
HFSS Simulation/Active Simulation/1.hfss.auto
HFSS Simulation/Active Simulation/1.hfss.lock
HFSS Simulation/Active Simulation/1_1db.csv
HFSS Simulation/Active Simulation/1_1smith.csv
HFSS Simulation/Active Simulation/1_2db.csv
HFSS Simulation/Active Simulation/1_2smith.csv
HFSS Simulation/Active Simulation/2.hfss
HFSS Simulation/Active Simulation/2.hfss.auto
HFSS Simulation/Active Simulation/2.hfss.lock
HFSS Simulation/Active Simulation/2_1db.csv
HFSS Simulation/Active Simulation/2_1smith.csv
HFSS Simulation/Active Simulation/2_2db.csv
HFSS Simulation/Active Simulation/2_2smith.csv
HFSS Simulation/Active Simulation/3.hfss
HFSS Simulation/Active Simulation/3.hfss.lock
HFSS Simulation/Active Simulation/3_1db.csv
HFSS Simulation/Active Simulation/3_1smith.csv
HFSS Simulation/Active Simulation/3_2db.csv
HFSS Simulation/Active Simulation/3_2smith.csv
HFSS Simulation/Active Simulation/4-1db.csv
HFSS Simulation/Active Simulation/4-1smith.csv
HFSS Simulation/Active Simulation/4-2db.csv
HFSS Simulation/Active Simulation/4-2smith.csv
HFSS Simulation/Active Simulation/4.hfss
HFSS Simulation/Active Simulation/5.hfss
HFSS Simulation/Active Simulation/5_1db.csv
HFSS Simulation/Active Simulation/5_1smith.csv
HFSS Simulation/Active Simulation/5_2db.csv
HFSS Simulation/Active Simulation/6.hfss
HFSS Simulation/Active Simulation/7.hfss
HFSS Simulation/Active Simulation/7Aeff.csv
HFSS Simulation/Active Simulation/7_antenna.hfss
HFSS Simulation/Active Simulation/copper_db.csv
HFSS Simulation/Active Simulation/copper_smith.csv
HFSS Simulation/Active Simulation/fullset_db.csv
HFSS Simulation/Active Simulation/fullset_eff.csv
HFSS Simulation/Active Simulation/fullset_smith.csv
HFSS Simulation/Active Simulation/IAeff.csv
HFSS Simulation/Active Simulation/I_antenna.hfss
HFSS Simulation/Active Simulation/LAeff.csv
HFSS Simulation/Active Simulation/L_antenna.hfss
HFSS Simulation/Active Simulation/PEC_db.csv
HFSS Simulation/Active Simulation/PEC_smith.csv
HFSS Simulation/final.hfss
HFSS Simulation/I 안테나.bmp
HFSS Simulation/IAeff.csv
HFSS Simulation/I_antenna.hfss
HFSS Simulation/LAeff.csv
HFSS Simulation/L_antenna.hfss
HFSS Simulation/L안테나.bmp
HFSS Simulation/Thumbs.db
Analysis of Smartphone Wi-Fi PIFA.ppt
chamber test/passive test.xls
chamber test/reference antenna.xls
HFSS Simulation/1_1db.csv
HFSS Simulation/1_1smith.csv
HFSS Simulation/1_2db.csv
HFSS Simulation/1_2smith.csv
HFSS Simulation/2_1db.csv
HFSS Simulation/2_1smith.csv
HFSS Simulation/2_2db.csv
HFSS Simulation/2_2smith.csv
HFSS Simulation/3_1db.csv
HFSS Simulation/3_1smith.csv
HFSS Simulation/3_2db.csv
HFSS Simulation/3_2smith.csv
HFSS Simulation/4-1db.csv
HFSS Simulation/4-1smith.csv
HFSS Simulation/4-2db.csv
HFSS Simulation/4-2smith.csv
HFSS Simulation/5_1db.csv
HFSS Simulation/5_1smith.csv
HFSS Simulation/5_2db.csv
HFSS Simulation/7Aeff.csv
HFSS Simulation/7_antenna.hfss
HFSS Simulation/7안테나.bmp
HFSS Simulation/Active Simulation/1.hfss
HFSS Simulation/Active Simulation/1.hfss.auto
HFSS Simulation/Active Simulation/1.hfss.lock
HFSS Simulation/Active Simulation/1_1db.csv
HFSS Simulation/Active Simulation/1_1smith.csv
HFSS Simulation/Active Simulation/1_2db.csv
HFSS Simulation/Active Simulation/1_2smith.csv
HFSS Simulation/Active Simulation/2.hfss
HFSS Simulation/Active Simulation/2.hfss.auto
HFSS Simulation/Active Simulation/2.hfss.lock
HFSS Simulation/Active Simulation/2_1db.csv
HFSS Simulation/Active Simulation/2_1smith.csv
HFSS Simulation/Active Simulation/2_2db.csv
HFSS Simulation/Active Simulation/2_2smith.csv
HFSS Simulation/Active Simulation/3.hfss
HFSS Simulation/Active Simulation/3.hfss.lock
HFSS Simulation/Active Simulation/3_1db.csv
HFSS Simulation/Active Simulation/3_1smith.csv
HFSS Simulation/Active Simulation/3_2db.csv
HFSS Simulation/Active Simulation/3_2smith.csv
HFSS Simulation/Active Simulation/4-1db.csv
HFSS Simulation/Active Simulation/4-1smith.csv
HFSS Simulation/Active Simulation/4-2db.csv
HFSS Simulation/Active Simulation/4-2smith.csv
HFSS Simulation/Active Simulation/4.hfss
HFSS Simulation/Active Simulation/5.hfss
HFSS Simulation/Active Simulation/5_1db.csv
HFSS Simulation/Active Simulation/5_1smith.csv
HFSS Simulation/Active Simulation/5_2db.csv
HFSS Simulation/Active Simulation/6.hfss
HFSS Simulation/Active Simulation/7.hfss
HFSS Simulation/Active Simulation/7Aeff.csv
HFSS Simulation/Active Simulation/7_antenna.hfss
HFSS Simulation/Active Simulation/copper_db.csv
HFSS Simulation/Active Simulation/copper_smith.csv
HFSS Simulation/Active Simulation/fullset_db.csv
HFSS Simulation/Active Simulation/fullset_eff.csv
HFSS Simulation/Active Simulation/fullset_smith.csv
HFSS Simulation/Active Simulation/IAeff.csv
HFSS Simulation/Active Simulation/I_antenna.hfss
HFSS Simulation/Active Simulation/LAeff.csv
HFSS Simulation/Active Simulation/L_antenna.hfss
HFSS Simulation/Active Simulation/PEC_db.csv
HFSS Simulation/Active Simulation/PEC_smith.csv
HFSS Simulation/final.hfss
HFSS Simulation/I 안테나.bmp
HFSS Simulation/IAeff.csv
HFSS Simulation/I_antenna.hfss
HFSS Simulation/LAeff.csv
HFSS Simulation/L_antenna.hfss
HFSS Simulation/L안테나.bmp
HFSS Simulation/Thumbs.db