JP2003324393A5 - - Google Patents

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Publication number
JP2003324393A5
JP2003324393A5 JP2002360829A JP2002360829A JP2003324393A5 JP 2003324393 A5 JP2003324393 A5 JP 2003324393A5 JP 2002360829 A JP2002360829 A JP 2002360829A JP 2002360829 A JP2002360829 A JP 2002360829A JP 2003324393 A5 JP2003324393 A5 JP 2003324393A5
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JP
Japan
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JP2002360829A
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JP2003324393A (ja
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Priority to JP2002360829A priority Critical patent/JP2003324393A/ja
Priority claimed from JP2002360829A external-priority patent/JP2003324393A/ja
Priority to EP05020226A priority patent/EP1605614A1/en
Priority to EP03003870A priority patent/EP1339179A3/en
Priority to US10/372,198 priority patent/US20030161637A1/en
Priority to CN03121794A priority patent/CN1447539A/zh
Publication of JP2003324393A publication Critical patent/JP2003324393A/ja
Publication of JP2003324393A5 publication Critical patent/JP2003324393A5/ja
Pending legal-status Critical Current

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JP2002360829A 2002-02-26 2002-12-12 双方向光伝送システム並びにそれに用いられる親局及び子局 Pending JP2003324393A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2002360829A JP2003324393A (ja) 2002-02-26 2002-12-12 双方向光伝送システム並びにそれに用いられる親局及び子局
EP05020226A EP1605614A1 (en) 2002-02-26 2003-02-20 Bi-directional optical transmission system, and master and slave stations used therefor
EP03003870A EP1339179A3 (en) 2002-02-26 2003-02-20 Bi-directional optical transmission system, and master and slave stations used therefor
US10/372,198 US20030161637A1 (en) 2002-02-26 2003-02-25 Bi-directional optical transmission system, and master and slave stations used therefor
CN03121794A CN1447539A (zh) 2002-02-26 2003-02-26 双向光传输系统及其使用的主站和从站

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2002-50046 2002-02-26
JP2002050046 2002-02-26
JP2002360829A JP2003324393A (ja) 2002-02-26 2002-12-12 双方向光伝送システム並びにそれに用いられる親局及び子局

Publications (2)

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JP2003324393A JP2003324393A (ja) 2003-11-14
JP2003324393A5 true JP2003324393A5 (ja) 2005-11-04

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JP2002360829A Pending JP2003324393A (ja) 2002-02-26 2002-12-12 双方向光伝送システム並びにそれに用いられる親局及び子局

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US (1) US20030161637A1 (ja)
EP (2) EP1605614A1 (ja)
JP (1) JP2003324393A (ja)
CN (1) CN1447539A (ja)

Families Citing this family (119)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7529215B2 (en) * 2003-11-17 2009-05-05 Telefonaktiebolaget Lm Ericsson (Publ) Encapsulation of independent transmissions over internal interface of distributed radio base station
JP4473600B2 (ja) * 2004-02-24 2010-06-02 株式会社日立国際電気 光伝送装置
JP2005354336A (ja) * 2004-06-10 2005-12-22 Matsushita Electric Ind Co Ltd 信号伝送システムおよび信号伝送方法
JP2006005615A (ja) * 2004-06-17 2006-01-05 Eiden Kk 単一周波数網地上ディジタル放送システム、単一周波数網の同期方式、及び送信装置
US7548695B2 (en) * 2004-10-19 2009-06-16 Nextg Networks, Inc. Wireless signal distribution system and method
ES2395036T3 (es) * 2004-11-15 2013-02-07 Bae Systems Plc Sistema de comunicaciones de datos
KR100617839B1 (ko) * 2004-11-16 2006-08-28 삼성전자주식회사 양방향 무선 통신을 위한 광 네트워크
JP4561335B2 (ja) * 2004-11-30 2010-10-13 住友電気工業株式会社 光データリンク
JP2006211591A (ja) 2005-01-31 2006-08-10 Fujitsu Ltd 光ネットワークシステムおよび伝送装置
JP4852260B2 (ja) * 2005-05-16 2012-01-11 三菱電機株式会社 １心双方向波長多重伝送システム
JP4414382B2 (ja) * 2005-08-16 2010-02-10 東京エレクトロンデバイス株式会社 光ネットワークシステム、光ネットワーク装置及び光ネットワーク制御方法
US8027299B2 (en) 2005-11-25 2011-09-27 Gal Zuckerman Hybrid system having multiple downlink channels and a single uplink channel
US7469196B2 (en) * 2005-12-14 2008-12-23 Advantest Corporation Measuring a characteristic of a transfer circuit
FR2896931B1 (fr) * 2006-01-30 2008-06-20 Micro Module Sarl Systeme de transmission optique et radio
US20090116843A1 (en) * 2006-05-12 2009-05-07 Siemens Home And Office Communication Devices Gmbh Device for Transmitting and Receiving Data and Corresponding Operating Method
US8472767B2 (en) * 2006-05-19 2013-06-25 Corning Cable Systems Llc Fiber optic cable and fiber optic cable assembly for wireless access
US20070292136A1 (en) * 2006-06-16 2007-12-20 Michael Sauer Transponder for a radio-over-fiber optical fiber cable
US20080013957A1 (en) * 2006-07-14 2008-01-17 Tenvera, Inc. Service Aggregation Gateway
US20080013907A1 (en) * 2006-07-14 2008-01-17 Tenvera, Inc. Optical Fiber Blowing Device and Method
US20080013956A1 (en) * 2006-07-14 2008-01-17 Tenvera, Inc. Provisioning of Services Via an Optical Fiber Network
US20080013909A1 (en) * 2006-07-14 2008-01-17 Tenvera, Inc. Modular Optical Fiber Network Interface
US20080011990A1 (en) * 2006-07-14 2008-01-17 Tenvera, Inc. Installation of Fiber Optic Cables
US20080013893A1 (en) * 2006-07-14 2008-01-17 Tenvera, Inc. Optical Fiber Ferrule and Ferrule Receiver, and Method for Manufacturing the Same
US20080011514A1 (en) * 2006-07-14 2008-01-17 Tenvera, Inc. Optical Fiber Distribution Apparatus and Method
US7787823B2 (en) 2006-09-15 2010-08-31 Corning Cable Systems Llc Radio-over-fiber (RoF) optical fiber cable system with transponder diversity and RoF wireless picocellular system using same
US7848654B2 (en) 2006-09-28 2010-12-07 Corning Cable Systems Llc Radio-over-fiber (RoF) wireless picocellular system with combined picocells
US8873585B2 (en) 2006-12-19 2014-10-28 Corning Optical Communications Wireless Ltd Distributed antenna system for MIMO technologies
US8111998B2 (en) 2007-02-06 2012-02-07 Corning Cable Systems Llc Transponder systems and methods for radio-over-fiber (RoF) wireless picocellular systems
US20100054746A1 (en) * 2007-07-24 2010-03-04 Eric Raymond Logan Multi-port accumulator for radio-over-fiber (RoF) wireless picocellular systems
US8175459B2 (en) 2007-10-12 2012-05-08 Corning Cable Systems Llc Hybrid wireless/wired RoF transponder and hybrid RoF communication system using same
US8644844B2 (en) 2007-12-20 2014-02-04 Corning Mobileaccess Ltd. Extending outdoor location based services and applications into enclosed areas
DE102008013245A1 (de) * 2008-03-08 2009-09-17 Andrew Wireless Systems Gmbh Repeater und Verfahren zum Betrieb eines solchen Repeaters
US20110116580A1 (en) 2008-07-30 2011-05-19 Micro Motion, Inc. Data translation system and method
KR101485218B1 (ko) 2008-10-31 2015-01-22 휴렛-팩커드 디벨롭먼트 컴퍼니, 엘.피. 광학 브로드캐스트 버스, 광학 신호 송신기 및 광학 신호 수신기
EP2394379B1 (en) 2009-02-03 2016-12-28 Corning Optical Communications LLC Optical fiber-based distributed antenna systems, components, and related methods for calibration thereof
EP2394378A1 (en) 2009-02-03 2011-12-14 Corning Cable Systems LLC Optical fiber-based distributed antenna systems, components, and related methods for monitoring and configuring thereof
US9673904B2 (en) 2009-02-03 2017-06-06 Corning Optical Communications LLC Optical fiber-based distributed antenna systems, components, and related methods for calibration thereof
TWI385958B (zh) * 2009-03-20 2013-02-11 Ind Tech Res Inst 支援無線通訊之被動光網路系統
JP2010245987A (ja) * 2009-04-09 2010-10-28 Nippon Telegr & Teleph Corp <Ntt> 光／無線アクセスシステム
US9590733B2 (en) * 2009-07-24 2017-03-07 Corning Optical Communications LLC Location tracking using fiber optic array cables and related systems and methods
US8548330B2 (en) 2009-07-31 2013-10-01 Corning Cable Systems Llc Sectorization in distributed antenna systems, and related components and methods
US8280259B2 (en) 2009-11-13 2012-10-02 Corning Cable Systems Llc Radio-over-fiber (RoF) system for protocol-independent wired and/or wireless communication
US8275265B2 (en) 2010-02-15 2012-09-25 Corning Cable Systems Llc Dynamic cell bonding (DCB) for radio-over-fiber (RoF)-based networks and communication systems and related 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
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
CN203251299U (zh) * 2010-06-04 2013-10-23 Ccs技术股份有限公司 基于光纤的分布式通信系统
US20130089332A1 (en) * 2010-06-04 2013-04-11 Michael Sauer Optical fiber-based distributed communications components, systems, and methods employing wavelength division multiplexing (wdm) for enhanced upgradability
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
US8452187B2 (en) * 2010-12-02 2013-05-28 Eastern Optx Inc. Bi-directional, compact, multi-path and free space channel replicator
TWI416895B (zh) * 2010-12-07 2013-11-21 Ind Tech Res Inst 點對點光網路訊號傳送方法與其系統
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
CN102752885B (zh) * 2011-04-21 2018-02-02 泰科电子荷兰公司 远程电子元件，远程电子元件阵列和外部分配单元
US20120269509A1 (en) * 2011-04-21 2012-10-25 Antonius Petrus Hultermans Remote Electronic Component, Such As Remote Radio Head, For A Wireless Communication System, Remote Electronic Component Array And External Distributor Unit
US9031409B2 (en) * 2011-04-29 2015-05-12 Arris Technology, Inc. System and method for avoiding upstream interference in RF-over-glass network
WO2012148940A1 (en) 2011-04-29 2012-11-01 Corning Cable Systems Llc Systems, methods, and devices for increasing radio frequency (rf) power in distributed antenna systems
EP2702710A4 (en) 2011-04-29 2014-10-29 Corning Cable Sys Llc DETERMINING THE TRANSMISSION DELAY OF COMMUNICATIONS IN DISTRIBUTED ANTENNA SYSTEMS AND CORRESPONDING COMPONENTS, SYSTEMS AND METHODS
US9715001B2 (en) * 2011-06-13 2017-07-25 Commscope Technologies Llc Mobile location in a remote radio head environment
US8734026B2 (en) * 2011-08-19 2014-05-27 Teledyne Instruments, Inc. Subsea electro-optical connector unit for electro-optical ethernet transmission system
US8606110B2 (en) * 2012-01-08 2013-12-10 Optiway Ltd. Optical distributed antenna system
US20130202308A1 (en) * 2012-02-08 2013-08-08 Harris Corporation, Corporation Of The State Of Delaware Phased antenna array including a plurality of electro-optical circuits having an optical source with an opto-electronic oscillator and associated methods
WO2013148986A1 (en) 2012-03-30 2013-10-03 Corning Cable Systems Llc Reducing location-dependent interference in distributed antenna systems operating in multiple-input, multiple-output (mimo) configuration, and related components, systems, and methods
WO2013162988A1 (en) 2012-04-25 2013-10-31 Corning Cable Systems Llc Distributed antenna system architectures
WO2014024192A1 (en) 2012-08-07 2014-02-13 Corning Mobile Access Ltd. Distribution of time-division multiplexed (tdm) management services in a distributed antenna system, and related components, systems, and methods
US9455784B2 (en) 2012-10-31 2016-09-27 Corning Optical Communications Wireless Ltd Deployable wireless infrastructures and methods of deploying wireless infrastructures
CN105308876B (zh) 2012-11-29 2018-06-22 康宁光电通信有限责任公司 分布式天线系统中的远程单元天线结合
US9647758B2 (en) 2012-11-30 2017-05-09 Corning Optical Communications Wireless Ltd Cabling connectivity monitoring and verification
WO2014199380A1 (en) 2013-06-12 2014-12-18 Corning Optical Communications Wireless, Ltd. Time-division duplexing (tdd) in distributed communications systems, including distributed antenna systems (dass)
CN105452951B (zh) 2013-06-12 2018-10-19 康宁光电通信无线公司 电压控制式光学定向耦合器
US9247543B2 (en) 2013-07-23 2016-01-26 Corning Optical Communications Wireless Ltd Monitoring non-supported wireless spectrum within coverage areas of distributed antenna systems (DASs)
US9661781B2 (en) 2013-07-31 2017-05-23 Corning Optical Communications Wireless Ltd Remote units for distributed communication systems and related installation methods and apparatuses
US9385810B2 (en) 2013-09-30 2016-07-05 Corning Optical Communications Wireless Ltd Connection mapping in distributed communication systems
CN104635306A (zh) * 2013-11-08 2015-05-20 昂纳信息技术（深圳）有限公司 单光纤耦合的多波长光收发模块
US9178635B2 (en) 2014-01-03 2015-11-03 Corning Optical Communications Wireless Ltd Separation of communication signal sub-bands in distributed antenna systems (DASs) to reduce interference
US9775123B2 (en) 2014-03-28 2017-09-26 Corning Optical Communications Wireless Ltd. Individualized gain control of uplink paths in remote units in a distributed antenna system (DAS) based on individual remote unit contribution to combined uplink power
JP6899856B2 (ja) * 2014-04-29 2021-07-07 華為技術有限公司Ｈｕａｗｅｉ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｃｏ．，Ｌｔｄ． 無線通信システムおよび無線ラジオ周波数装置
EP3457595A1 (en) 2014-04-29 2019-03-20 Huawei Technologies Co., Ltd. Wireless communications system and wireless radio frequency apparatus
US9357551B2 (en) 2014-05-30 2016-05-31 Corning Optical Communications Wireless Ltd Systems and methods for simultaneous sampling of serial digital data streams from multiple analog-to-digital converters (ADCS), including in distributed antenna systems
US9525472B2 (en) 2014-07-30 2016-12-20 Corning Incorporated Reducing location-dependent destructive interference in distributed antenna systems (DASS) operating in multiple-input, multiple-output (MIMO) configuration, and related components, systems, and methods
US9730228B2 (en) 2014-08-29 2017-08-08 Corning Optical Communications Wireless Ltd Individualized gain control of remote uplink band paths in a remote unit in a distributed antenna system (DAS), based on combined uplink power level in the remote unit
GB2530069A (en) * 2014-09-12 2016-03-16 Bae Systems Plc Signal processing apparatus
US9602210B2 (en) 2014-09-24 2017-03-21 Corning Optical Communications Wireless Ltd Flexible head-end chassis supporting automatic identification and interconnection of radio interface modules and optical interface modules in an optical fiber-based distributed antenna system (DAS)
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
US9420542B2 (en) 2014-09-25 2016-08-16 Corning Optical Communications Wireless Ltd System-wide uplink band gain control in a distributed antenna system (DAS), based on per band gain control of remote uplink paths in remote units
US9917648B2 (en) * 2014-10-01 2018-03-13 Arris Enterprises Llc Upstream interference eliminating transmission of digital baseband signal in an optical network
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
US9729267B2 (en) 2014-12-11 2017-08-08 Corning Optical Communications Wireless Ltd Multiplexing two separate optical links with the same wavelength using asymmetric combining and splitting
EP3235336A1 (en) 2014-12-18 2017-10-25 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)
US20160249365A1 (en) 2015-02-19 2016-08-25 Corning Optical Communications Wireless Ltd. Offsetting unwanted downlink interference signals in an uplink path in a distributed antenna system (das)
US9681313B2 (en) 2015-04-15 2017-06-13 Corning Optical Communications Wireless Ltd Optimizing remote antenna unit performance using an alternative data channel
US9948349B2 (en) 2015-07-17 2018-04-17 Corning Optical Communications Wireless Ltd IOT automation and data collection system
US9603155B2 (en) * 2015-07-31 2017-03-21 Corning Optical Communications Wireless Ltd Reducing leaked downlink interference signals in a remote unit uplink path(s) in a distributed antenna system (DAS)
US11637612B2 (en) 2015-08-25 2023-04-25 Cellium Technologies, Ltd. Macro-diversity using hybrid transmissions via twisted pairs
US10560214B2 (en) 2015-09-28 2020-02-11 Corning Optical Communications LLC Downlink and uplink communication path switching in a time-division duplex (TDD) distributed antenna system (DAS)
EP4002724A1 (en) 2015-12-13 2022-05-25 Genxcomm, Inc. Interference cancellation methods and apparatus
US10397190B2 (en) * 2016-02-05 2019-08-27 Huawei Technologies Co., Ltd. System and method for generating an obfuscated optical signal
US10236924B2 (en) 2016-03-31 2019-03-19 Corning Optical Communications Wireless Ltd Reducing out-of-channel noise in a wireless distribution system (WDS)
US10257746B2 (en) * 2016-07-16 2019-04-09 GenXComm, Inc. Interference cancellation methods and apparatus
US9894612B1 (en) 2016-11-03 2018-02-13 Corning Optical Communications Wireless Ltd Reducing power consumption in a remote unit of a wireless distribution system (WDS) for intermodulation product suppression
JP6875703B2 (ja) * 2018-03-05 2021-05-26 日本電信電話株式会社 通信ネットワーク及び回り込み信号除去方法
JP2020068485A (ja) * 2018-10-25 2020-04-30 日本放送協会 中継装置
KR102361071B1 (ko) 2018-12-11 2022-02-09 닛토덴코 가부시키가이샤 광 전송 시스템 및 전기 광 변환 디바이스
JP6812490B2 (ja) * 2018-12-11 2021-01-13 日東電工株式会社 光伝送システムおよび電気光変換デバイス
US11150409B2 (en) 2018-12-27 2021-10-19 GenXComm, Inc. Saw assisted facet etch dicing
JP7318349B2 (ja) * 2019-06-21 2023-08-01 日本電信電話株式会社 通信ネットワークシステム
US10727945B1 (en) 2019-07-15 2020-07-28 GenXComm, Inc. Efficiently combining multiple taps of an optical filter
US20220286221A1 (en) * 2019-09-06 2022-09-08 Telefonaktiebolaget Lm Ericsson (Publ) Optical Node and Optical Transceiver for Auto Tuning of Operational Wavelength
US11215755B2 (en) 2019-09-19 2022-01-04 GenXComm, Inc. Low loss, polarization-independent, large bandwidth mode converter for edge coupling
US11539394B2 (en) 2019-10-29 2022-12-27 GenXComm, Inc. Self-interference mitigation in in-band full-duplex communication systems
CN111416658B (zh) * 2020-03-27 2021-04-09 中国科学院声学研究所 一种海底观测网主干线路光信号传输装置及传输方法
KR102415629B1 (ko) * 2020-04-22 2022-07-01 한국전자통신연구원 광 송수신 시스템 및 방법
US11796737B2 (en) 2020-08-10 2023-10-24 GenXComm, Inc. Co-manufacturing of silicon-on-insulator waveguides and silicon nitride waveguides for hybrid photonic integrated circuits
US11611817B2 (en) * 2020-09-14 2023-03-21 Corning Research & Development Corporation Time division multiplexing and wavelength division multiplexing hybrid distribution component and systems
FR3124282A1 (fr) * 2021-06-25 2022-12-23 Orange Module émetteur-récepteur optronique
CA3234722A1 (en) 2021-10-25 2023-05-04 Farzad Mokhtari-Koushyar Hybrid photonic integrated circuits for ultra-low phase noise signal generators
WO2023148880A1 (ja) * 2022-02-03 2023-08-10 日本電信電話株式会社 通信システム、張出局、通信方法及び通信システムの作成方法
WO2023148874A1 (ja) * 2022-02-03 2023-08-10 日本電信電話株式会社 光通信システム、集約局及び通信方法

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3507064A1 (de) * 1985-02-28 1986-08-28 Standard Elektrik Lorenz Ag, 7000 Stuttgart Optisches nachrichtenuebertragungssystem im teilnehmeranschlussbereich
GB8826476D0 (en) * 1988-11-11 1988-12-14 British Telecomm Communications system
US5682256A (en) * 1988-11-11 1997-10-28 British Telecommunications Public Limited Company Communications system
CA2008900C (en) * 1989-04-04 1998-01-20 Ta-Shing Chu Optical fiber microcellular mobile radio
JPH0818514A (ja) * 1994-06-29 1996-01-19 Fujitsu Ltd 光加入者系同一波長双方向伝送方式
US5633741A (en) * 1995-02-23 1997-05-27 Lucent Technologies Inc. Multichannel optical fiber communications
JP3329655B2 (ja) * 1996-03-04 2002-09-30 ケイディーディーアイ株式会社 光ａｄｍ装置
JP3997294B2 (ja) * 1996-11-13 2007-10-24 独立行政法人情報通信研究機構 移動体無線通信システム
US5936754A (en) * 1996-12-02 1999-08-10 At&T Corp. Transmission of CDMA signals over an analog optical link
JP3482088B2 (ja) * 1996-12-05 2003-12-22 松下電器産業株式会社 周波数変調装置
US6097533A (en) * 1997-10-21 2000-08-01 Antec Corporation Optical amplifier for CATV system with forward and reverse paths
US5969836A (en) * 1997-12-12 1999-10-19 Alcatel Usa Sourcing, L.P. Method and apparatus for simultaneous transmission of digital telephony and analog video over a single optic fiber using wave division multiplexing
CA2289320A1 (en) * 1998-12-10 2000-06-10 Nortel Networks Corporation Integrating optical adm filters
US6211978B1 (en) * 1999-02-10 2001-04-03 Anacom Systems, Inc. Multi-channel wave division multiplexer system
US6480315B1 (en) * 1999-08-06 2002-11-12 Nortel Networks Limited Method and apparatus for SNR measurement
US6643470B1 (en) * 1999-10-01 2003-11-04 Matsushita Electric Industrial Co., Ltd. FM signal converter, FM signal optical transmitter and FM signal optical receiver
JP2001267990A (ja) * 2000-03-21 2001-09-28 Matsushita Electric Ind Co Ltd アレイアンテナ基地局装置
AU2001295202A1 (en) * 2000-04-28 2001-11-12 Lgc Wireless, Inc. A cellular communications system with centralized capacity resources using dwdm fiber optic backbone
KR100338623B1 (ko) * 2000-07-10 2002-05-30 윤종용 디지털 광 링크를 이용한 이동통신망 시스템
SE523506C2 (sv) * 2000-08-18 2004-04-27 Allgon Ab Kommunikationssystem med fiberoptisk länk
US6885821B2 (en) * 2001-02-27 2005-04-26 Avanex Corporation Full-duplex optical add/drop communications system utilizing central light sources

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