KR20060025743A - 양방향 무선 통신을 위한 광 네트워크 - Google Patents
양방향 무선 통신을 위한 광 네트워크 Download PDFInfo
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- KR20060025743A KR20060025743A KR1020040074543A KR20040074543A KR20060025743A KR 20060025743 A KR20060025743 A KR 20060025743A KR 1020040074543 A KR1020040074543 A KR 1020040074543A KR 20040074543 A KR20040074543 A KR 20040074543A KR 20060025743 A KR20060025743 A KR 20060025743A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/25—Arrangements specific to fibre transmission
- H04B10/2575—Radio-over-fibre, e.g. radio frequency signal modulated onto an optical carrier
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/25—Arrangements specific to fibre transmission
- H04B10/2575—Radio-over-fibre, e.g. radio frequency signal modulated onto an optical carrier
- H04B10/25752—Optical arrangements for wireless networks
- H04B10/25758—Optical arrangements for wireless networks between a central unit and a single remote unit by means of an optical fibre
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/25—Arrangements specific to fibre transmission
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optical Communication System (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
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Claims (7)
- 양방향 무선 통신을 위한 광 네트워크에 있어서,하향 광신호를 하향 무선 신호로 변환시켜서 무선 송신하고, 무선 수신된 상향 무선 신호를 상향 광신호로 변환시키기 위한 원격 안테나 유니트와;상기 하향 및 상향 광신호의 전송 매체인 광선로와;상기 광선로에 의해 상기 원격 안테나 유니트와 연결된 서큘레이터를 포함함으로써 상기 서큘레이터를 통해서 상기 하향 광신호를 상기 원격 안테나 유니트로 출력하고, 상기 서큘레이터를 통해서 입력된 상기 상향 광신호를 검출해내기 위한 중앙 기지국을 포함함을 특징으로 하는 양방향 무선 통신을 위한 광 네트워크.
- 제1 항에 있어서, 상기 원격 안테나 유니트는,상기 상향 무선 신호를 수신받고, 상기 하향 무선 신호를 송신시키는 안테나와;상기 안테나를 통해서 수신된 상기 상향 무선 신호를 상기 상향 광신호로 전/광 변환시키고, 상기 서큘레이터를 통해서 입력된 상기 하향 광신호를 상기 하향 무선 신호로 변환시켜서 상기 안테나로 출력하는 전계 흡수형 변조기를 포함함을 특징으로 하는 양방향 무선 통신을 위한 광 네트워크.
- 제2 항에 있어서,상기 전계 흡수형 변조기는 상기 광선로에 의해서 중앙 기지국에 링크된 제1 단면과, 고반사 층이 코팅된 제2 단면을 포함함을 특징으로 하는 양방향 무선 통신을 위한 광 네트워크.
- 제1 항에 있어서, 상기 중앙 기지국은,하향 광신호를 생성해서 상기 서큘레이터의 제1 포트로 출력하기 위한 광 송신기와;상기 서큘레이터의 제3 포트에 연결됨으로써, 상기 광선로와 연결된 상기 서큘레이터의 제2 포트를 통해서 상기 서큘레이터의 제3 포트로 출력되는 상기 상향 광신호를 검출해내기 위한 광 수신기를 포함함을 특징으로 하는 양방향 무선 통신을 위한 광 네트워크.
- 제4 항에 있어서,상기 광 송신기는 반도체 레이저 또는 반도체 광 증폭기를 포함함을 특징으로 하는 양방향 무선 통신을 위한 광 네트워크.
- 제4 항에 있어서,상기 광 수신기는 포토 다이오드를 포함함을 특징으로 하는 양방향 무선 통신을 위한 광 네트워크.
- 제1 항에 있어서,상기 광선로는 광섬유를 포함함을 특징으로 하는 양방향 무선 통신을 위한 광 네트워크.
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KR1020040074543A KR20060025743A (ko) | 2004-09-17 | 2004-09-17 | 양방향 무선 통신을 위한 광 네트워크 |
US11/202,505 US20060062579A1 (en) | 2004-09-17 | 2005-08-12 | Optical network for bi-directional wireless communication |
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KR1020040074543A KR20060025743A (ko) | 2004-09-17 | 2004-09-17 | 양방향 무선 통신을 위한 광 네트워크 |
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KR20060025743A true KR20060025743A (ko) | 2006-03-22 |
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KR1020040074543A KR20060025743A (ko) | 2004-09-17 | 2004-09-17 | 양방향 무선 통신을 위한 광 네트워크 |
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KR (1) | KR20060025743A (ko) |
Cited By (3)
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KR100680012B1 (ko) * | 2006-03-22 | 2007-02-09 | 연세대학교 산학협력단 | 광 검출 트랜지스터를 구비한 rof 시스템 |
KR100759271B1 (ko) * | 2006-08-17 | 2007-09-17 | 한국전자통신연구원 | RoF 통신 시스템에 사용되는 광 송수신기 |
KR101056784B1 (ko) * | 2010-12-30 | 2011-08-12 | 주식회사 스마트비전 | 광학 하모닉 믹서를 이용한 양방향 광섬유 기반의 무선전송 시스템 및 무선전송 방법 |
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- 2004-09-17 KR KR1020040074543A patent/KR20060025743A/ko active Search and Examination
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100680012B1 (ko) * | 2006-03-22 | 2007-02-09 | 연세대학교 산학협력단 | 광 검출 트랜지스터를 구비한 rof 시스템 |
KR100759271B1 (ko) * | 2006-08-17 | 2007-09-17 | 한국전자통신연구원 | RoF 통신 시스템에 사용되는 광 송수신기 |
KR101056784B1 (ko) * | 2010-12-30 | 2011-08-12 | 주식회사 스마트비전 | 광학 하모닉 믹서를 이용한 양방향 광섬유 기반의 무선전송 시스템 및 무선전송 방법 |
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