KR20020005799A - 디지털 광 링크를 이용한 이동통신망 시스템 - Google Patents
디지털 광 링크를 이용한 이동통신망 시스템 Download PDFInfo
- Publication number
- KR20020005799A KR20020005799A KR1020000039212A KR20000039212A KR20020005799A KR 20020005799 A KR20020005799 A KR 20020005799A KR 1020000039212 A KR1020000039212 A KR 1020000039212A KR 20000039212 A KR20000039212 A KR 20000039212A KR 20020005799 A KR20020005799 A KR 20020005799A
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- South Korea
- Prior art keywords
- base station
- optical
- small base
- signal
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Classifications
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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
- H04B10/29—Repeaters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
- H04W88/085—Access point devices with remote components
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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
-
- 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
- H04B10/25753—Distribution optical network, e.g. between a base station and a plurality of remote units
- H04B10/25755—Ring network topology
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/155—Ground-based stations
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mobile Radio Communication Systems (AREA)
- Optical Communication System (AREA)
Abstract
Description
Claims (4)
- 이동통신망 시스템에 있어서,다수의 소형 기지국을 관리하는 제어국;상기 제어국이 운영할 수 있는 여분의 기지국의 용량을 할당받아 E1/T1 링크를 이용하여 상기 제어국에 연결되는 소형 기지국 제어국;디지털 광 링크를 이용하여 상기 소형 기지국 제어국에 각각 연결되며, 상기 디지털 광 링크를 따라서 일렬형으로 배열되는 소형 기지국 장치; 및디지털 광 네트웍으로 구성된 소형 기지국에 해당하는 신호를 분리하거나 합하여 소형 기지국의 RF 부분과 연결시킴과 아울러 그 외의 신호들을 증폭하여 다음 단의 소형 기지국으로 전송하며, 상기 소형 기지국 장치간을 상기 디지털 광 링크를 따라서 연결시켜주는 광 트랜스폰더로 구성되어짐을 특징으로 하는 디지털 광 링크를 이용한 이동통신망 시스템.
- 제1항에 있어서, 상기 소형 기지국 제어국은상기 제어국으로부터 받은 데이터를 링크별, FA별, 섹터별로 구분하여 상기 각각의 소형 기지국 장치의 광 링크로 연결시키는 링크 제어부;소형 기지국에서부터 단말기 신호 및 상기 단말기로부터 상기 소형 기지국으로의 각 신호를 구분하여 순방향 아날로그 IF 신호를 디지털 처리부로 연결하고,상기 디지털 처리부로부터 오는 역방향 IF 신호를 링크 제어부로 연결하는 링크 정합장치; 및순방향의 디지털 신호를 소형 기지국 장치수에 맞게 여러 개의 채널로 다중화하거나 역방향의 디지털 신호를 역다중화하는 다중화 처리부로 구성되어짐을 특징으로 하는 디지털 광 링크를 이용한 이동통신망 시스템.
- 제1항에 있어서, 상기 디지털 광 링크는상기 제어국의 용량에 따라서 증설할 수 있는 구성임을 특징으로 하는 디지털 광 링크를 이용한 이동통신망 시스템.
- 제1항에 있어서, 상기 광 트랜스폰더는전단의 광 트랜스폰더로부터 입력되는 순방향 광신호를 파장별로 분리하는 제1광 결합기;상기 제1광 결합기로부터 분리된 순방향 광신호를 광전 변환하는 제1광전 변환기;상기 제1광전 변환기로부터 광전 변환된 전기 신호를 두개로 분기하는 고주파 분배기;상기 고주파 분배기로부터 분기된 전기 신호 중, 입력된 하나의 전기 신호를역다중화하여 소형 기지국의 RF부분으로 출력하는 역다중화기;상기 분기된 전기 신호 중, 입력된 다른 하나의 전기 신호를 전광 변환되는 제1전광 변환기;상기 제1전광 변환기로부터 전광 변환된 광 신호를 파장별로 분리하여 후단의 광 트랜스폰더에 전달시키는 제2광 결합기;상기 제2광 결합기로부터 수신된 신호들을 광전 변환하는 제2광전 변환기;상기 제2광전 변환기에서 수신된 전기 신호를 다중화하는 다중화기; 및상기 다중화기에 의해 다중화된 전기 신호를 전광 변환하여 상기 제1광결합기를 거쳐 전단의 광 트랜스폰더로 출력하는 제2전광 변환기로 구성되어짐을 특징으로 하는 디지털 광 링크를 이용한 이동통신망 시스템.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020000039212A KR100338623B1 (ko) | 2000-07-10 | 2000-07-10 | 디지털 광 링크를 이용한 이동통신망 시스템 |
| US09/818,211 US6937878B2 (en) | 2000-07-10 | 2001-03-27 | Mobile communication network system using digital optical link |
| EP01110320A EP1173034B1 (en) | 2000-07-10 | 2001-04-26 | Mobile communication network system using digital optical link |
| JP2001159481A JP3703736B2 (ja) | 2000-07-10 | 2001-05-28 | ディジタル光リンクを利用した移動通信網システム |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020000039212A KR100338623B1 (ko) | 2000-07-10 | 2000-07-10 | 디지털 광 링크를 이용한 이동통신망 시스템 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20020005799A true KR20020005799A (ko) | 2002-01-18 |
| KR100338623B1 KR100338623B1 (ko) | 2002-05-30 |
Family
ID=19677056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020000039212A Expired - Fee Related KR100338623B1 (ko) | 2000-07-10 | 2000-07-10 | 디지털 광 링크를 이용한 이동통신망 시스템 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US6937878B2 (ko) |
| EP (1) | EP1173034B1 (ko) |
| JP (1) | JP3703736B2 (ko) |
| KR (1) | KR100338623B1 (ko) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040043209A (ko) * | 2002-11-16 | 2004-05-24 | 삼성전자주식회사 | 소형 기지국의 동적 대역폭 할당을 위한 기지국 시스템 및그 방법 |
| KR100869250B1 (ko) * | 2006-12-05 | 2008-11-18 | 한국전자통신연구원 | 이동통신 시스템 |
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-
2001
- 2001-03-27 US US09/818,211 patent/US6937878B2/en not_active Expired - Fee Related
- 2001-04-26 EP EP01110320A patent/EP1173034B1/en not_active Expired - Lifetime
- 2001-05-28 JP JP2001159481A patent/JP3703736B2/ja not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040043209A (ko) * | 2002-11-16 | 2004-05-24 | 삼성전자주식회사 | 소형 기지국의 동적 대역폭 할당을 위한 기지국 시스템 및그 방법 |
| KR100869250B1 (ko) * | 2006-12-05 | 2008-11-18 | 한국전자통신연구원 | 이동통신 시스템 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2002044717A (ja) | 2002-02-08 |
| JP3703736B2 (ja) | 2005-10-05 |
| EP1173034B1 (en) | 2007-07-18 |
| KR100338623B1 (ko) | 2002-05-30 |
| EP1173034A1 (en) | 2002-01-16 |
| US20020003645A1 (en) | 2002-01-10 |
| US6937878B2 (en) | 2005-08-30 |
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