ATE472864T1 - Kupplungsvorrichtungen für optische fasern für eine entfernte hauptradiobasisstation und eine hybridbasisstation - Google Patents

Kupplungsvorrichtungen für optische fasern für eine entfernte hauptradiobasisstation und eine hybridbasisstation

Info

Publication number
ATE472864T1
ATE472864T1 AT03759156T AT03759156T ATE472864T1 AT E472864 T1 ATE472864 T1 AT E472864T1 AT 03759156 T AT03759156 T AT 03759156T AT 03759156 T AT03759156 T AT 03759156T AT E472864 T1 ATE472864 T1 AT E472864T1
Authority
AT
Austria
Prior art keywords
remote
base station
fiber
information
main unit
Prior art date
Application number
AT03759156T
Other languages
English (en)
Inventor
Torbjoern Cagenius
Original Assignee
Ericsson Telefon Ab L M
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Application granted granted Critical
Publication of ATE472864T1 publication Critical patent/ATE472864T1/de

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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
    • H04B10/25758—Optical arrangements for wireless networks between a central unit and a single remote unit by means of an optical fibre
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/10—Monitoring; Testing of transmitters
    • H04B17/15—Performance testing
    • H04B17/19—Self-testing arrangements

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
AT03759156T 2002-11-15 2003-10-28 Kupplungsvorrichtungen für optische fasern für eine entfernte hauptradiobasisstation und eine hybridbasisstation ATE472864T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/295,024 US7047028B2 (en) 2002-11-15 2002-11-15 Optical fiber coupling configurations for a main-remote radio base station and a hybrid radio base station
PCT/SE2003/001682 WO2004047472A1 (en) 2002-11-15 2003-10-28 Optical fiber coupling configurations for a main-remote radio base station and a hybrid radio base station

Publications (1)

Publication Number Publication Date
ATE472864T1 true ATE472864T1 (de) 2010-07-15

Family

ID=32297084

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03759156T ATE472864T1 (de) 2002-11-15 2003-10-28 Kupplungsvorrichtungen für optische fasern für eine entfernte hauptradiobasisstation und eine hybridbasisstation

Country Status (8)

Country Link
US (1) US7047028B2 (de)
EP (1) EP1563700B1 (de)
KR (1) KR101036022B1 (de)
CN (1) CN1310541C (de)
AT (1) ATE472864T1 (de)
AU (1) AU2003274879A1 (de)
DE (1) DE60333215D1 (de)
WO (1) WO2004047472A1 (de)

Families Citing this family (153)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1445704A1 (de) * 2003-02-06 2004-08-11 STMicroelectronics S.r.l. Synchronisationsverfahren zum Datenaustausch in einem Kommunikationsnetzwerk und zugehörige Schaltungsanordnung und Architektur
DE10305986B4 (de) * 2003-02-12 2022-07-21 IAD Gesellschaft für Informatik, Automatisierung und Datenverarbeitung mbH Messsystem mit intelligentem Sensorkopf für Mittel- oder Hochspannungsanlagen oder im Bergbau
KR100539860B1 (ko) * 2003-06-09 2005-12-28 삼성전자주식회사 초고속광대역망간 신호전송장치
CN100442880C (zh) * 2004-09-08 2008-12-10 Ut斯达康通讯有限公司 基于先进电信计算机体系结构平台的集中式基站系统
JP4547221B2 (ja) * 2004-09-27 2010-09-22 株式会社日立国際電気 無線基地局装置
US7548695B2 (en) * 2004-10-19 2009-06-16 Nextg Networks, Inc. Wireless signal distribution system and method
DE602004018399D1 (de) 2004-10-25 2009-01-22 Pirelli & C Spa Kommunikationsverfahren insbesondere für ein mobilfunknetz
KR100617839B1 (ko) * 2004-11-16 2006-08-28 삼성전자주식회사 양방향 무선 통신을 위한 광 네트워크
CN100426897C (zh) * 2005-01-12 2008-10-15 华为技术有限公司 分体式基站系统及其组网方法和基带单元
DE602005024625D1 (de) 2005-03-31 2010-12-16 Telecom Italia Spa Funkzusatzverfahren, diesbezügliche Funkbasisstation, Mobilfunknetz und Computerprogrammprodukt mit einem Zuweisungsschema für Antennensektoren
CN101159933B (zh) * 2005-05-19 2010-09-08 华为技术有限公司 分体式基站系统及其组网方法和基带单元
CN1885750B (zh) * 2005-06-23 2010-05-05 上海华为技术有限公司 远端射频模块及其传输信号的方法
CN100450249C (zh) * 2005-06-30 2009-01-07 华为技术有限公司 一种近端维护射频拉远单元的方法
CN100379305C (zh) * 2005-10-21 2008-04-02 芯通科技（成都）有限公司 无线通信基站/收发信机的环形连接方法及中频接口结构
US20070258483A1 (en) * 2006-05-08 2007-11-08 Sunrise Telecom Incorporated Network profiling system having nonphysical layer test system
WO2007134078A1 (en) * 2006-05-08 2007-11-22 Sunrise Telecom Incorporated Network profiling system having physical layer test system
JP4772596B2 (ja) * 2006-06-07 2011-09-14 株式会社東芝 Ｒｏｆシステム、光受信器およびその自動調整方法
US20070292136A1 (en) 2006-06-16 2007-12-20 Michael Sauer Transponder for a radio-over-fiber optical fiber cable
US7627250B2 (en) 2006-08-16 2009-12-01 Corning Cable Systems Llc Radio-over-fiber transponder with a dual-band patch antenna system
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
CN100493264C (zh) * 2006-09-22 2009-05-27 华为技术有限公司 扇区分裂方式下的上行信号合路的方法及基站系统
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
CN201001113Y (zh) * 2006-12-21 2008-01-02 华为技术有限公司 一种连接件以及由该连接件集成的射频装置
KR20100014339A (ko) 2006-12-26 2010-02-10 달리 시스템즈 씨오. 엘티디. 다중 채널 광대역 통신 시스템에서의 기저 대역 전치 왜곡 선형화를 위한 방법 및 시스템
US8111998B2 (en) 2007-02-06 2012-02-07 Corning Cable Systems Llc Transponder systems and methods for radio-over-fiber (RoF) wireless picocellular systems
US8081923B1 (en) 2007-02-13 2011-12-20 Extenet Systems Inc. Method and apparatus for providing location services for a distributed network
US20080194226A1 (en) * 2007-02-13 2008-08-14 Antonio Rivas Method and Apparatus for Providing Location Services for a Distributed Network
CN100589623C (zh) * 2007-04-11 2010-02-10 中兴通讯股份有限公司 一种通过控制字配置多级远端射频单元的初始信息的方法
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
CN101425838B (zh) * 2007-10-30 2013-02-13 电信科学技术研究院 一种数据通道配置方法及装置
CN101436896B (zh) * 2007-11-13 2013-03-27 中兴通讯股份有限公司 一种射频拉远单元的iq数据传输方法
WO2009081376A2 (en) 2007-12-20 2009-07-02 Mobileaccess Networks Ltd. Extending outdoor location based services and applications into enclosed areas
US8855036B2 (en) * 2007-12-21 2014-10-07 Powerwave Technologies S.A.R.L. Digital distributed antenna system
US8165100B2 (en) * 2007-12-21 2012-04-24 Powerwave Technologies, Inc. Time division duplexed digital distributed antenna system
KR100920894B1 (ko) * 2007-12-31 2009-10-09 포스데이타 주식회사 무선 통신 시스템에서의 데이터 동기 방법, 이를 위한기지국, 메인 유닛, 및 리모트 유닛
US8503886B1 (en) * 2008-01-03 2013-08-06 Nextel Communications Inc. Systems and methods for visual light communication
CN101232662B (zh) * 2008-02-28 2011-05-25 中兴通讯股份有限公司 一种iq信号的交换方法、基站和交换单元
CN101465705B (zh) * 2008-06-30 2010-10-20 华为技术有限公司 微波传输设备中信号处理的方法、装置及微波传输设备
CN101426303B (zh) * 2008-10-27 2012-03-21 华为技术有限公司 通信系统、设备和方法
US8116772B2 (en) * 2008-12-04 2012-02-14 Qualcomm Incorporated System and method to facilitate acquisition of access point base stations
CN101465693B (zh) * 2008-12-17 2011-11-30 华为技术有限公司 一种在微波系统中发射/接收信号的方法及装置
CN101771900B (zh) * 2008-12-26 2012-12-19 中兴通讯股份有限公司 一种eNB的光交换装置及方法
US8125985B1 (en) 2008-12-29 2012-02-28 Juniper Networks, Inc. Methods and apparatus for chaining access switches coupled to a switch fabric
US9960821B2 (en) 2008-12-30 2018-05-01 Telecom Italia S.P.A. Method for adaptive distributed mobile communications, corresponding system and computer program product
WO2010075864A1 (en) 2008-12-30 2010-07-08 Telecom Italia S.P.A A method for distributed mobile communications, corresponding system and computer program product
FR2941123B1 (fr) * 2009-01-14 2012-08-03 Selecom Sud Electronique Comm Cellule d'un reseau de communications cellulaires d'une voie de circulation et reseau de communication comprenant une telle cellule et repeteur adapte a fonctionner dans une telle cellule
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
WO2010091004A1 (en) 2009-02-03 2010-08-12 Corning Cable Systems Llc Optical fiber-based distributed antenna systems, components, and related methods for calibration thereof
AU2010210766A1 (en) 2009-02-03 2011-09-15 Corning Cable Systems Llc Optical fiber-based distributed antenna systems, components, and related methods for monitoring and configuring thereof
CN102318221B (zh) * 2009-02-12 2015-04-01 Adc长途电讯有限公司 具有延迟的传输的背射分布式天线系统(das)
US8934410B2 (en) 2009-03-10 2015-01-13 Telefonaktiebolaget L M Ericsson (Publ) Transmission scheme
CN101841748B (zh) * 2009-03-17 2013-06-12 中国移动通信集团公司 信号传输系统以及相关装置
US8346091B2 (en) * 2009-04-29 2013-01-01 Andrew Llc Distributed antenna system for wireless network systems
US9590733B2 (en) * 2009-07-24 2017-03-07 Corning Optical Communications LLC Location tracking using fiber optic array cables and related systems and methods
AU2009350650B9 (en) 2009-07-27 2014-02-06 Huawei Technologies Co., Ltd. Signal transmission processing method and apparatus and distributed base station
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
US8422884B2 (en) * 2010-03-24 2013-04-16 Fujitsu Limited Method and apparatus for picocell distributed radio heads providing macrocell capabilities
US8467823B2 (en) * 2010-03-24 2013-06-18 Fujitsu Limited Method and system for CPRI cascading in distributed radio head architectures
CN102845001B (zh) 2010-03-31 2016-07-06 康宁光缆系统有限责任公司 基于光纤的分布式通信组件及系统中的定位服务以及相关方法
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
CN102238599A (zh) * 2010-05-06 2011-11-09 中兴通讯股份有限公司 远端射频单元管理装置、系统及方法
US8681015B1 (en) * 2010-06-25 2014-03-25 Tellabs Operations, Inc. Method and apparatus for collecting data from automatic meter reading for smart power grid
US8570914B2 (en) 2010-08-09 2013-10-29 Corning Cable Systems Llc Apparatuses, systems, and methods for determining location of a mobile device(s) in a distributed antenna system(s)
EP2606707A1 (de) 2010-08-16 2013-06-26 Corning Cable Systems LLC Remote-antennencluster und zugehörige systeme, bestandteile und verfahren zur unterstützung der signalverbreitung digitaler daten zwischen remote-antenneneinheiten
US8848766B2 (en) * 2010-08-17 2014-09-30 Dali Systems Co. Ltd. Neutral host architecture for a distributed antenna system
CN102377477B (zh) * 2010-08-27 2015-01-21 华为技术有限公司 基带信号传输方法和装置
CN101938285B (zh) * 2010-08-30 2012-11-28 武汉邮电科学研究院 利用乒乓操作实现rru数据接口的方法和装置
KR102136940B1 (ko) 2010-09-14 2020-07-23 달리 시스템즈 씨오. 엘티디. 원격으로 재구성가능한 분산 안테나 시스템 및 방법
US9252874B2 (en) 2010-10-13 2016-02-02 Ccs Technology, Inc Power management for remote antenna units in distributed antenna systems
US20120147864A1 (en) * 2010-12-09 2012-06-14 Jianlin Guo Synchronous Data Transmission in Hybrid Communication Networks for Transportation Safety Systems
CN103201958B (zh) 2011-02-07 2017-01-18 大力系统有限公司 用于分布式天线系统的远程单元的菊花链式环
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
CN102158264A (zh) * 2011-03-09 2011-08-17 华为技术有限公司 通信信号传输方法、装置及系统
CN103609146B (zh) 2011-04-29 2017-05-31 康宁光缆系统有限责任公司 用于增加分布式天线系统中的射频（rf）功率的系统、方法和装置
WO2012148938A1 (en) 2011-04-29 2012-11-01 Corning Cable Systems Llc Determining propagation delay of communications in distributed antenna systems, and related components, systems and methods
EP2521289B1 (de) * 2011-05-04 2014-03-05 Alcatel Lucent Optischer Empfänger für multimodale Kommunikation
CN102136868B (zh) * 2011-05-09 2015-02-25 广州茂腾信息科技有限公司 电信基站基带处理单元bbu-射频拉远模块rru故障判断方法
US9715001B2 (en) * 2011-06-13 2017-07-25 Commscope Technologies Llc Mobile location in a remote radio head environment
US9276685B2 (en) * 2011-10-14 2016-03-01 Qualcomm Incorporated Distributed antenna systems and methods of wireless communications for facilitating simulcasting and de-simulcasting of downlink transmissions
US9312941B2 (en) 2011-10-14 2016-04-12 Qualcomm Incorporated Base stations and methods for facilitating dynamic simulcasting and de-simulcasting in a distributed antenna system
US8837373B2 (en) * 2011-11-01 2014-09-16 Telefonaktiebolaget L M Ericsson (Publ) Relay node, main unit for a relay node and method therein
CA2864279C (en) * 2012-02-09 2019-06-11 Telefonaktiebolaget Lm Ericsson (Publ) A network node and a method therein enabling a first unit to connect or to be connected ad-hoc to a second unit
US9007901B2 (en) * 2012-02-09 2015-04-14 Alcatel Lucent Method and apparatus providing flow control using on-off signals in high delay networks
WO2013139367A1 (en) * 2012-03-19 2013-09-26 Telefonaktiebolaget L M Ericsson (Publ) Wdm link for radio base station
EP2832012A1 (de) 2012-03-30 2015-02-04 Corning Optical Communications LLC Reduzierung ortsabhängiger interferenzen in verteilten antennensystemen in einer mimo-konfiguration sowie entsprechende komponenten, systeme und verfahren
US9781553B2 (en) 2012-04-24 2017-10-03 Corning Optical Communications LLC Location based services in a distributed communication system, and related components and methods
WO2013162988A1 (en) 2012-04-25 2013-10-31 Corning Cable Systems Llc Distributed antenna system architectures
WO2013181247A1 (en) 2012-05-29 2013-12-05 Corning Cable Systems Llc Ultrasound-based localization of client devices with inertial navigation supplement in distributed communication systems and related devices and methods
EP2883416A1 (de) 2012-08-07 2015-06-17 Corning Optical Communications Wireless Ltd. Verteilung von zeitlich gemultiplexten (tdm) management-diensten in einem verteilten antennensystem sowie entsprechende komponenten, systeme und verfahren
KR101961717B1 (ko) * 2012-10-25 2019-03-25 에스케이텔레콤 주식회사 기지국장치 및 기지국장치의 동작 방법
US9455784B2 (en) 2012-10-31 2016-09-27 Corning Optical Communications Wireless Ltd Deployable wireless infrastructures and methods of deploying wireless infrastructures
EP2926466A1 (de) 2012-11-29 2015-10-07 Corning Optical Communications LLC Hybride intrazell-/interzell-ferneinheiten-antennenbindung in verteilten mimo-antennensystemen
US9647758B2 (en) 2012-11-30 2017-05-09 Corning Optical Communications Wireless Ltd Cabling connectivity monitoring and verification
US9158864B2 (en) 2012-12-21 2015-10-13 Corning Optical Communications Wireless Ltd Systems, methods, and devices for documenting a location of installed equipment
CN103905115B (zh) * 2012-12-29 2017-03-22 中国移动通信集团安徽有限公司 Rru与bbu之间业务传输的实现方法、系统及bbu
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
US9973905B2 (en) 2013-08-09 2018-05-15 Savox International S.A. Communication apparatus, a communication arrangement and a communication method
EP2846605A1 (de) * 2013-09-05 2015-03-11 Kapsch Carriercom AG Funkuntersystem und Kalibrierverfahren dafür
WO2015034313A1 (ko) * 2013-09-06 2015-03-12 주식회사 케이엠더블유 원격 무선 장비
KR102116539B1 (ko) 2013-09-06 2020-05-29 주식회사 케이엠더블유 원격 무선 장비
US9794903B2 (en) * 2013-09-23 2017-10-17 Ziva Corp. Synchronization of distributed nodes
US10177822B2 (en) * 2013-09-23 2019-01-08 Ziva Corp. Node synchronization using time reversal
US9385810B2 (en) 2013-09-30 2016-07-05 Corning Optical Communications Wireless Ltd Connection mapping in distributed communication systems
US9450689B2 (en) 2013-10-07 2016-09-20 Commscope Technologies Llc Systems and methods for delay management in distributed antenna system with direct digital interface to base station
KR102189745B1 (ko) * 2013-12-06 2020-12-14 주식회사 쏠리드 광 중계 시스템의 리모트 장치
US20170250927A1 (en) * 2013-12-23 2017-08-31 Dali Systems Co. Ltd. Virtual radio access network using software-defined network of remotes and digital multiplexing switches
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
EP3108600B1 (de) * 2014-02-21 2021-04-07 CommScope Technologies LLC Selbstoptimierende netzwerkeinheit für ein telekommunikationssystem
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
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
CN104185193B (zh) * 2014-08-18 2018-03-13 京信通信系统（中国）有限公司 多通道rru时延控制方法及其装置
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
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
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
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)
KR102153396B1 (ko) 2014-12-30 2020-09-08 주식회사 쏠리드 딜레이 측정이 가능한 노드 유닛 및 이를 포함하는 분산 안테나 시스템
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
US10064149B1 (en) * 2015-05-17 2018-08-28 Kiomars Anvari Cloud based wireless network
WO2017007803A1 (en) * 2015-07-06 2017-01-12 Dali Systems Co. Ltd. Distributed antenna system network analytics
US9948349B2 (en) 2015-07-17 2018-04-17 Corning Optical Communications Wireless Ltd IOT automation and data collection system
WO2017020966A1 (en) * 2015-08-06 2017-02-09 Telefonaktiebolaget Lm Ericsson (Publ) Communications network control
US11228458B2 (en) * 2015-09-10 2022-01-18 Lightfleet Corporation Group-coherent memory
US20170078367A1 (en) * 2015-09-10 2017-03-16 Lightfleet Corporation Packet-flow message-distribution system
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)
EP3406031B1 (de) * 2016-01-18 2024-10-30 Viavi Solutions Inc. Verfahren und vorrichtung zur detektion von verzerrung oder korruption von zellulären kommunikationssignalen
KR102415308B1 (ko) * 2016-02-25 2022-07-01 한국전자통신연구원 분산 관리 기법을 이용한 아날로그 광 전송 시스템
US9648580B1 (en) 2016-03-23 2017-05-09 Corning Optical Communications Wireless Ltd Identifying remote units in a wireless distribution system (WDS) based on assigned unique temporal delay patterns
US10236924B2 (en) 2016-03-31 2019-03-19 Corning Optical Communications Wireless Ltd Reducing out-of-channel noise in a wireless distribution system (WDS)
ES2791540T3 (es) 2017-02-15 2020-11-04 Maven Wireless Sweden Ab Sistema de Antenas Distribuidas que proporciona redundancia
US11564188B2 (en) 2017-10-17 2023-01-24 Telefonaktiebolaget Lm Ericsson (Publ) Distributed MIMO synchronization
WO2019101290A1 (en) 2017-11-21 2019-05-31 Telefonaktiebolaget Lm Ericsson (Publ) Improved antenna arrangement for distributed massive mimo
JP7223229B2 (ja) * 2019-02-15 2023-02-16 日本電信電話株式会社 導出方法、通信システム及び収容局装置
CN110290434B (zh) * 2019-07-05 2022-03-04 北京电子工程总体研究所 基于光纤传输延迟实时补偿的非周期信号同步方法及系统
EP4140050A1 (de) * 2020-04-24 2023-03-01 Telefonaktiebolaget LM ERICSSON (PUBL) Fehlersicheres, in serie geschaltetes funksystem
US11606139B2 (en) * 2021-03-08 2023-03-14 At&T Intellectual Property I, L.P. Multi-path, smart optical time-domain reflectometer
US11943705B2 (en) * 2021-06-11 2024-03-26 Skylo Technologies, Inc. RF (radio frequency) virtualization architecture
US12431983B2 (en) * 2021-09-14 2025-09-30 Infinera Corporation Perturbative-based nonlinear compensation for digital subcarrier systems
EP4714050A1 (de) * 2023-05-17 2026-03-25 Telefonaktiebolaget LM Ericsson (publ) Vorrichtung, zugangspunkt und verteiltes mehrantennen-kommunikationssystem

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0648872B2 (ja) 1987-07-29 1994-06-22 日立金属株式会社 電気音響変換器用振動板
JPH0624366B2 (ja) * 1988-11-24 1994-03-30 日本電気株式会社 ネットワーク障害回復方式
US5067173A (en) * 1990-12-20 1991-11-19 At&T Bell Laboratories Microcellular communications system using space diversity reception
US5127101A (en) 1991-02-01 1992-06-30 Ericsson Ge Mobile Communications Inc. Simulcast auto alignment system
US5627879A (en) * 1992-09-17 1997-05-06 Adc Telecommunications, Inc. Cellular communications system with centralized base stations and distributed antenna units
JPH06188791A (ja) 1992-12-22 1994-07-08 Nippon Telegr & Teleph Corp <Ntt> ダイバーシチ信号伝送方式
US5542119A (en) * 1993-02-26 1996-07-30 Motorola, Inc. Method for selecting a highest quality signal for retransmission by base sites in a simulcast communication system
US5477539A (en) 1993-07-23 1995-12-19 Ericsson Inc. Narrow band simulcast system having low speed data distribution
US5377035A (en) * 1993-09-28 1994-12-27 Hughes Aircraft Company Wavelength division multiplexed fiber optic link for RF polarization diversity receiver
US5752198A (en) * 1994-11-14 1998-05-12 Ericsson Inc. Single site, split location trunked radio communications system
JPH08167876A (ja) 1994-12-15 1996-06-25 Kokusai Electric Co Ltd 光伝送無線基地局及び受信ダイバーシチ方法
US5761619A (en) * 1995-03-23 1998-06-02 Telefoanktiebolaget Lm Ericsson Distributed telecommunications system
US5771462A (en) * 1995-07-07 1998-06-23 International Business Machines Corporation Bus arbitration infrastructure for deployment of wireless networks
US5646946A (en) * 1995-10-30 1997-07-08 Motorola, Inc. Apparatus and method for selectively companding data on a slot-by-slot basis
US5805983A (en) 1996-07-18 1998-09-08 Ericsson Inc. System and method for equalizing the delay time for transmission paths in a distributed antenna network
US6012152A (en) * 1996-11-27 2000-01-04 Telefonaktiebolaget Lm Ericsson (Publ) Software fault management system
US6091705A (en) * 1996-12-20 2000-07-18 Sebring Systems, Inc. Method and apparatus for a fault tolerant, software transparent and high data integrity extension to a backplane bus or interconnect
US6023625A (en) 1997-02-18 2000-02-08 Ericsson Inc. System and method for reducing multicast interference in a distributed antenna network
KR100211581B1 (ko) * 1997-05-10 1999-08-02 윤종용 Gps 수신기로부터의 기준클럭신호 지연회로를 이용한 페이징 시스템의 호데이타 송출방법
US6011780A (en) * 1997-05-23 2000-01-04 Stevens Institute Of Technology Transparant non-disruptable ATM network
US6711140B1 (en) * 1997-07-15 2004-03-23 Comsat Corporation Method and apparatus for fast acquisition and synchronization of transmission frames
US6020163A (en) * 1997-08-06 2000-02-01 Zymogenetics, Inc. Lipocalin homolog
US6366571B1 (en) 1998-06-01 2002-04-02 Ameritech Corporation Integration of remote microcell with CDMA infrastructure
US6336042B1 (en) * 1998-06-05 2002-01-01 Transcept, Inc. Reverse link antenna diversity in a wireless telephony system
KR100291039B1 (ko) * 1999-03-12 2001-05-15 윤종용 무선 가입자망에서 기지국과 단말국간의 동기화 방법
US6415132B1 (en) 1999-04-21 2002-07-02 Transcept, Inc. Blossom/wilt for dynamic reallocation in a distributed fiber system
US6721571B2 (en) * 2000-12-15 2004-04-13 Nortel Networks Ltd. Wireless network infrastructure in that digital processing resources are shared

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EP1563700A1 (de) 2005-08-17
DE60333215D1 (de) 2010-08-12
US7047028B2 (en) 2006-05-16
KR101036022B1 (ko) 2011-05-19
HK1086973A1 (en) 2006-09-29
AU2003274879A1 (en) 2004-06-15
KR20050074614A (ko) 2005-07-18
CN1310541C (zh) 2007-04-11
US20040096222A1 (en) 2004-05-20
EP1563700B1 (de) 2010-06-30
CN1711789A (zh) 2005-12-21

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