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지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학위논문
- 저자정보
- 지도교수
- 민경식
- 발행연도
- 2016
- 저작권
- 한국해양대학교 논문은 저작권에 의해 보호받습니다.
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Communications infrastructure being built for a variety of mobile comm- unication services such as MIMO, Wi-Fi, 4G, etc. However, inside buildings or offshore plant structure have problems of propagation blind region. In addition, propagation environment of fire safety of fire-fighting also have same problem. Especially high-rise buildings should be supported within the fire-fighting radio services in recent years. So, In this thesis, proposed in-building repeating antenna included fire-fighting wireless frequency band design.
In Chapter 1, research background and necessity were presented. Why designed integrated In-building repeater antennas included fire-fighting band. Antenna used for the repeater.
In Chapter 2, multi-band antenna by multipole were presented. Antenna were designed biconial upon dipole to reduce size. To realize multiband resonant characteristic, same size dipoles are considered. Designed antenna have resonance fire-fighting band, repeater band and Wi-Fi band. Mea surement results of proposed antenna has a good agreement.
In Chapter 3, monopole antenna have directional radiation pattern were presented. The important parameters such as distance between parasitic element and a center monopole, and each height of a center monopole and 4 parasitic elements are simulated to obtain good antenna characteristics at multiband resonance. Measurement results of reflection coefficients, bandwidth, 2-D radiation pattern and gain are agreed well with their Simulation results.
In Chapter 4, cross-discone antenna were presented. discone antenna were tried to obtain a broadband frequency. The conclusion of this thesis was summarized in chapter 5.
In Chapter 1, research background and necessity were presented. Why designed integrated In-building repeater antennas included fire-fighting band. Antenna used for the repeater.
In Chapter 2, multi-band antenna by multipole were presented. Antenna were designed biconial upon dipole to reduce size. To realize multiband resonant characteristic, same size dipoles are considered. Designed antenna have resonance fire-fighting band, repeater band and Wi-Fi band. Mea surement results of proposed antenna has a good agreement.
In Chapter 3, monopole antenna have directional radiation pattern were presented. The important parameters such as distance between parasitic element and a center monopole, and each height of a center monopole and 4 parasitic elements are simulated to obtain good antenna characteristics at multiband resonance. Measurement results of reflection coefficients, bandwidth, 2-D radiation pattern and gain are agreed well with their Simulation results.
In Chapter 4, cross-discone antenna were presented. discone antenna were tried to obtain a broadband frequency. The conclusion of this thesis was summarized in chapter 5.
목차
1. 서 론1.1 연구배경 및 필요성 11.1.1 인빌딩 통합형 중계기의 필요성 11.1.2 소방무선대역의 필요성 31.1.3 여러 가지 중계기 안테나 예시 42. 다중대역 다이폴 안테나 설계2.1 안테나 설계 112.2 안테나 제작 및 설계 212.3 결과분석 243. 기생소자를 가지는 모노폴 안테나 설계3.1 안테나 설계 253.2 안테나 제작 및 설계 383.3 결과분석 444. 십자형 디스콘 안테나 설계4.1 안테나 설계 454.2 안테나 제작 및 설계 524.3 결과분석 595. 결론 60참고문헌 61Publications 63
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