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Wide-band Antenna by Coupling Two Radiators

Title
Wide-band Antenna by Coupling Two Radiators
Other Titles
두개의 라디에이터의 결합에 의한 광대역 안테나
Author
Jaesung Yang
Alternative Author(s)
양재성
Advisor(s)
김형동
Issue Date
2019-02
Publisher
한양대학교
Degree
Master
Abstract
In this thesis, the wide-band PIFA antenna which is composed of two radiators is proposed. It is a case to analyze efficiency and bandwidth between reference PIFA and same PIFA with extra radiator. The Main argument is about combining two radiators which have a similar resonance frequency. Opposite current distribution will be issued in this case because it is the reason why two close radiator’s resonance frequency can’t be matched. Inserting capacitor between two radiators is an idea to get resonators to combine. It helps to reduce their coupling so that we finally get larger bandwidth than reference antenna. Both simulations and experiments verify an improvement in impedance bandwidth. The simulated and the experimental measurement impedance bandwidth of the proposed antenna are 1100MHz and 1500MHz under a VSWR of 3:1 respectively. The proposed antenna’s bandwidth can fully cover 2GHz – 3GHZ. The measured total efficiency of the reference antenna and the proposed antenna are 59.74% and 62.54% respectively.
URI
https://repository.hanyang.ac.kr/handle/20.500.11754/99724http://hanyang.dcollection.net/common/orgView/200000434796
Appears in Collections:
GRADUATE SCHOOL[S](대학원) > ELECTRONICS AND COMPUTER ENGINEERING(전자컴퓨터통신공학과) > Theses (Master)
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