JP3974984B2 - マルチポイント光送信システム - Google Patents
マルチポイント光送信システム Download PDFInfo
- Publication number
- JP3974984B2 JP3974984B2 JP32787897A JP32787897A JP3974984B2 JP 3974984 B2 JP3974984 B2 JP 3974984B2 JP 32787897 A JP32787897 A JP 32787897A JP 32787897 A JP32787897 A JP 32787897A JP 3974984 B2 JP3974984 B2 JP 3974984B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- frequency
- optical
- uplink
- downlink
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- 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
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
- H04J14/0298—Wavelength-division multiplex systems with sub-carrier multiplexing [SCM]
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optical Communication System (AREA)
- Mobile Radio Communication Systems (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32787897A JP3974984B2 (ja) | 1997-11-28 | 1997-11-28 | マルチポイント光送信システム |
| US09/320,144 US6392770B1 (en) | 1997-11-28 | 1999-05-26 | Multi-point optical transmission system |
| EP99109293A EP1056227B1 (en) | 1997-11-28 | 1999-05-27 | Multi-point optical link in a cellular radio system for CDMA signals |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32787897A JP3974984B2 (ja) | 1997-11-28 | 1997-11-28 | マルチポイント光送信システム |
| US09/320,144 US6392770B1 (en) | 1997-11-28 | 1999-05-26 | Multi-point optical transmission system |
| EP99109293A EP1056227B1 (en) | 1997-11-28 | 1999-05-27 | Multi-point optical link in a cellular radio system for CDMA signals |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JPH11163834A JPH11163834A (ja) | 1999-06-18 |
| JPH11163834A5 JPH11163834A5 (enExample) | 2005-07-14 |
| JP3974984B2 true JP3974984B2 (ja) | 2007-09-12 |
Family
ID=27239964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP32787897A Expired - Lifetime JP3974984B2 (ja) | 1997-11-28 | 1997-11-28 | マルチポイント光送信システム |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US6392770B1 (enExample) |
| EP (1) | EP1056227B1 (enExample) |
| JP (1) | JP3974984B2 (enExample) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6792289B1 (en) * | 1999-11-08 | 2004-09-14 | Qualcomm Incorporated | Non-bandlimiting antenna sharing method and apparatus for base stations |
| JP3594862B2 (ja) * | 1999-12-28 | 2004-12-02 | 株式会社エヌ・ティ・ティ・ドコモ | 無線基地局システム、統括局及び該統括局における信号処理方法 |
| JP4624603B2 (ja) * | 2000-06-29 | 2011-02-02 | パナソニック株式会社 | 無線アクセス用光伝送システム及び高周波光送信器 |
| KR20010000755A (ko) * | 2000-10-17 | 2001-01-05 | 이진섭 | Cdma용 디지털 신호 분배 통신시스템 |
| US20040017785A1 (en) * | 2002-07-16 | 2004-01-29 | Zelst Allert Van | System for transporting multiple radio frequency signals of a multiple input, multiple output wireless communication system to/from a central processing base station |
| WO2004059934A1 (en) | 2002-12-24 | 2004-07-15 | Pirelli & C. S.P.A. | Radio base station receiver having digital filtering and reduced sampling frequency |
| KR100617839B1 (ko) * | 2004-11-16 | 2006-08-28 | 삼성전자주식회사 | 양방향 무선 통신을 위한 광 네트워크 |
| US9525488B2 (en) | 2010-05-02 | 2016-12-20 | Corning Optical Communications LLC | Digital data services and/or power distribution in optical fiber-based distributed communications systems providing digital data and radio frequency (RF) communications services, and related components and methods |
| US20110268446A1 (en) | 2010-05-02 | 2011-11-03 | Cune William P | Providing digital data services in optical fiber-based distributed radio frequency (rf) communications systems, and related components and methods |
| EP2606707A1 (en) | 2010-08-16 | 2013-06-26 | Corning Cable Systems LLC | Remote antenna clusters and related systems, components, and methods supporting digital data signal propagation between remote antenna units |
| US9252874B2 (en) | 2010-10-13 | 2016-02-02 | Ccs Technology, Inc | Power management for remote antenna units in distributed antenna systems |
| CN203504582U (zh) | 2011-02-21 | 2014-03-26 | 康宁光缆系统有限责任公司 | 一种分布式天线系统及用于在其中分配电力的电源装置 |
| US10659163B2 (en) | 2014-09-25 | 2020-05-19 | Corning Optical Communications LLC | Supporting analog remote antenna units (RAUs) in digital distributed antenna systems (DASs) using analog RAU digital adaptors |
| WO2016071902A1 (en) | 2014-11-03 | 2016-05-12 | Corning Optical Communications Wireless Ltd. | Multi-band monopole planar antennas configured to facilitate improved radio frequency (rf) isolation in multiple-input multiple-output (mimo) antenna arrangement |
| WO2016075696A1 (en) | 2014-11-13 | 2016-05-19 | Corning Optical Communications Wireless Ltd. | Analog distributed antenna systems (dass) supporting distribution of digital communications signals interfaced from a digital signal source and analog radio frequency (rf) communications signals |
| WO2016098109A1 (en) | 2014-12-18 | 2016-06-23 | Corning Optical Communications Wireless Ltd. | Digital interface modules (dims) for flexibly distributing digital and/or analog communications signals in wide-area analog distributed antenna systems (dass) |
| WO2016098111A1 (en) | 2014-12-18 | 2016-06-23 | Corning Optical Communications Wireless Ltd. | Digital- analog interface modules (da!ms) for flexibly.distributing digital and/or analog communications signals in wide-area analog distributed antenna systems (dass) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2897492B2 (ja) | 1991-10-24 | 1999-05-31 | 日本電気株式会社 | 移動通信装置 |
| JPH07283787A (ja) | 1994-04-07 | 1995-10-27 | Matsushita Electric Ind Co Ltd | ビート妨害防止方法 |
| DE69614284T2 (de) * | 1995-02-02 | 2002-01-10 | Nippon Telegraph And Telephone Corp., Tokio/Tokyo | Verzerrungskorrekturvorrichtung |
| DE19605567A1 (de) | 1996-02-15 | 1997-08-21 | Sel Alcatel Ag | Optisches frequenzkodiertes CDMA-Übertragungssystem und optischer Empfänger dafür |
| US5936754A (en) | 1996-12-02 | 1999-08-10 | At&T Corp. | Transmission of CDMA signals over an analog optical link |
| JPH1127739A (ja) | 1997-07-04 | 1999-01-29 | Mitsubishi Electric Corp | 基地局間接続装置 |
| SE523374C2 (sv) | 1997-07-31 | 2004-04-13 | Ericsson Telefon Ab L M | Kommunikation med hjälp av spektrumspridningsmetoder över optiska fibrer |
-
1997
- 1997-11-28 JP JP32787897A patent/JP3974984B2/ja not_active Expired - Lifetime
-
1999
- 1999-05-26 US US09/320,144 patent/US6392770B1/en not_active Expired - Lifetime
- 1999-05-27 EP EP99109293A patent/EP1056227B1/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP1056227A1 (en) | 2000-11-29 |
| EP1056227B1 (en) | 2006-10-25 |
| JPH11163834A (ja) | 1999-06-18 |
| US6392770B1 (en) | 2002-05-21 |
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