ATE260001T1 - Funkfrequenz signal-verteilung durch infrastrukturen mit schmaler bandbreite - Google Patents

Funkfrequenz signal-verteilung durch infrastrukturen mit schmaler bandbreite

Info

Publication number
ATE260001T1
ATE260001T1 AT97922450T AT97922450T ATE260001T1 AT E260001 T1 ATE260001 T1 AT E260001T1 AT 97922450 T AT97922450 T AT 97922450T AT 97922450 T AT97922450 T AT 97922450T AT E260001 T1 ATE260001 T1 AT E260001T1
Authority
AT
Austria
Prior art keywords
signal
global reference
radio frequency
bandwidth
communications
Prior art date
Application number
AT97922450T
Other languages
English (en)
Inventor
John B Georges
David M Cutrer
Kam Y Lau
Original Assignee
Lgc Wireless Inc
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24547515&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE260001(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Lgc Wireless Inc filed Critical Lgc Wireless Inc
Application granted granted Critical
Publication of ATE260001T1 publication Critical patent/ATE260001T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/0003—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain
    • H04B1/0007—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain wherein the AD/DA conversion occurs at radiofrequency or intermediate frequency stage
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/16—Multiple-frequency-changing
    • H03D7/161—Multiple-frequency-changing all the frequency changers being connected in cascade
    • H03D7/163—Multiple-frequency-changing all the frequency changers being connected in cascade the local oscillations of at least two of the frequency changers being derived from a single oscillator
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/07—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop using several loops, e.g. for redundant clock signal generation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • H03L7/22—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using more than one loop
    • H03L7/23—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using more than one loop with pulse counters or frequency dividers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/0003—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/26—Circuits for superheterodyne receivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2603—Arrangements for wireless physical layer control
    • H04B7/2609—Arrangements for range control, e.g. by using remote antennas
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H04W84/14—WLL [Wireless Local Loop]; RLL [Radio Local Loop]

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Radio Relay Systems (AREA)
  • Transmitters (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
AT97922450T 1996-04-19 1997-04-18 Funkfrequenz signal-verteilung durch infrastrukturen mit schmaler bandbreite ATE260001T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US63536896A 1996-04-19 1996-04-19
PCT/US1997/006920 WO1997040590A1 (en) 1996-04-19 1997-04-18 Distribution of radio-frequency signals through low bandwidth infrastructures

Publications (1)

Publication Number Publication Date
ATE260001T1 true ATE260001T1 (de) 2004-03-15

Family

ID=24547515

Family Applications (1)

Application Number Title Priority Date Filing Date
AT97922450T ATE260001T1 (de) 1996-04-19 1997-04-18 Funkfrequenz signal-verteilung durch infrastrukturen mit schmaler bandbreite

Country Status (12)

Country Link
US (1) US5765099A (de)
EP (1) EP0894369B1 (de)
JP (1) JP3565563B2 (de)
CN (1) CN1240192C (de)
AT (1) ATE260001T1 (de)
AU (1) AU715343B2 (de)
CA (1) CA2251959C (de)
DE (1) DE69727664T2 (de)
DK (1) DK0894369T3 (de)
ES (1) ES2216144T3 (de)
PT (1) PT894369E (de)
WO (1) WO1997040590A1 (de)

Families Citing this family (125)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6157810A (en) * 1996-04-19 2000-12-05 Lgc Wireless, Inc Distribution of radio-frequency signals through low bandwidth infrastructures
US6151480A (en) * 1997-06-27 2000-11-21 Adc Telecommunications, Inc. System and method for distributing RF signals over power lines within a substantially closed environment
DE19733857C1 (de) * 1997-08-05 1999-02-18 Nokia Mobile Phones Ltd Zellulares Telekommunikationssystem
EP1091508B1 (de) * 1998-06-24 2007-03-14 SK Telecom Co.,Ltd. Wiederholungsgerät mit telefonverbindung und festgeschalteter leitung
US6778817B1 (en) * 1998-12-01 2004-08-17 Phonex Corporation Method and system for combining wireless phone jack and RF wireless communications
US6615407B1 (en) * 1999-02-19 2003-09-02 Masprodenkoh Kabushikikaisha In-building CATV system, and up-converter and down-converter for use therein
US7016308B1 (en) 1999-03-19 2006-03-21 Broadband Royalty Corporation Digital return path for hybrid fiber/coax network
US8379569B2 (en) * 1999-04-21 2013-02-19 Adc Telecommunications, Inc. Architecture for signal distribution in wireless data network
US7969965B2 (en) 1999-04-21 2011-06-28 Lgc Wireless, Inc. Architecture for signal and power distribution in wireless data network
US7047555B1 (en) * 1999-07-23 2006-05-16 Masprodenkoh Kabushikikaisha In-building CATV system, down-converter, up-converter and amplifier
US6501942B1 (en) * 1999-10-29 2002-12-31 Qualcomm, Incorporated In-building radio-frequency coverage
AU1914501A (en) * 1999-11-01 2001-05-14 Qualcomm Incorporated Split repeater
US7031335B1 (en) 1999-11-03 2006-04-18 Adc Telecommunications, Inc. Digital node for hybrid fiber/coax network
US6967966B1 (en) 1999-11-03 2005-11-22 Adc Telecommunications, Inc. Digital return path for hybrid fiber/coax network
US6519773B1 (en) * 2000-02-08 2003-02-11 Sherjil Ahmed Method and apparatus for a digitized CATV network for bundled services
JP4500401B2 (ja) * 2000-02-16 2010-07-14 マスプロ電工株式会社 衛星放送システム用ギャップフィラー装置及び衛星放送システム
US6704545B1 (en) * 2000-07-19 2004-03-09 Adc Telecommunications, Inc. Point-to-multipoint digital radio frequency transport
JP4663087B2 (ja) * 2000-09-21 2011-03-30 マスプロ電工株式会社 地上波デジタル放送用ギャップフィラー
US7016332B2 (en) * 2000-12-05 2006-03-21 Science Applications International Corporation Method and system for a remote downlink transmitter for increasing the capacity of a multiple access interference limited spread-spectrum wireless network
US7061891B1 (en) 2001-02-02 2006-06-13 Science Applications International Corporation Method and system for a remote downlink transmitter for increasing the capacity and downlink capability of a multiple access interference limited spread-spectrum wireless network
WO2002080382A1 (en) 2001-03-30 2002-10-10 Science Applications International Corporation Multistage reception of code division multiple access transmissions
US7006461B2 (en) * 2001-09-17 2006-02-28 Science Applications International Corporation Method and system for a channel selective repeater with capacity enhancement in a spread-spectrum wireless network
US8184603B2 (en) * 2002-01-31 2012-05-22 Lgc Wireless, Llc Communication system having a community wireless local area network for voice and high speed data communication
US7184728B2 (en) * 2002-02-25 2007-02-27 Adc Telecommunications, Inc. Distributed automatic gain control system
US6844787B2 (en) * 2002-09-13 2005-01-18 Stratex Networks, Inc. Method and apparatus for re-modulation using zero IF
US7103377B2 (en) * 2002-12-03 2006-09-05 Adc Telecommunications, Inc. Small signal threshold and proportional gain distributed digital communications
US8958789B2 (en) * 2002-12-03 2015-02-17 Adc Telecommunications, Inc. Distributed digital antenna system
US7171244B2 (en) * 2002-12-03 2007-01-30 Adc Telecommunications, Inc. Communication system and method with gain control for signals from distributed antennas
IL161869A (en) 2004-05-06 2014-05-28 Serconet Ltd A system and method for carrying a signal originating is wired using wires
US20070008939A1 (en) * 2005-06-10 2007-01-11 Adc Telecommunications, Inc. Providing wireless coverage into substantially closed environments
US7257040B2 (en) * 2005-09-27 2007-08-14 Macronix International Co., Ltd. Fast pre-charge circuit and method of providing same for memory devices
US7813451B2 (en) 2006-01-11 2010-10-12 Mobileaccess Networks Ltd. Apparatus and method for frequency shifting of a wireless signal and systems using frequency shifting
US7599711B2 (en) 2006-04-12 2009-10-06 Adc Telecommunications, Inc. Systems and methods for analog transport of RF voice/data communications
US7805073B2 (en) * 2006-04-28 2010-09-28 Adc Telecommunications, Inc. Systems and methods of optical path protection for distributed antenna systems
JP4674184B2 (ja) * 2006-06-12 2011-04-20 Ｄｘアンテナ株式会社 Ｇｐｓ信号伝送システム
US7844273B2 (en) * 2006-07-14 2010-11-30 Lgc Wireless, Inc. System for and method of for providing dedicated capacity in a cellular network
GB0614543D0 (en) * 2006-07-21 2006-08-30 Vodafone Plc RF Distribution
GB0614542D0 (en) * 2006-07-21 2006-08-30 Vodafone Plc RF Distribution Spreading
US7848770B2 (en) * 2006-08-29 2010-12-07 Lgc Wireless, Inc. Distributed antenna communications system and methods of implementing thereof
US8873585B2 (en) * 2006-12-19 2014-10-28 Corning Optical Communications Wireless Ltd Distributed antenna system for MIMO technologies
US7817958B2 (en) * 2006-12-22 2010-10-19 Lgc Wireless Inc. System for and method of providing remote coverage area for wireless communications
US8583100B2 (en) * 2007-01-25 2013-11-12 Adc Telecommunications, Inc. Distributed remote base station system
US8737454B2 (en) 2007-01-25 2014-05-27 Adc Telecommunications, Inc. Modular wireless communications platform
US8005050B2 (en) 2007-03-23 2011-08-23 Lgc Wireless, Inc. Localization of a mobile device in distributed antenna communications system
US8010116B2 (en) 2007-06-26 2011-08-30 Lgc Wireless, Inc. Distributed antenna communications system
US20100054746A1 (en) 2007-07-24 2010-03-04 Eric Raymond Logan Multi-port accumulator for radio-over-fiber (RoF) wireless picocellular systems
US9112547B2 (en) * 2007-08-31 2015-08-18 Adc Telecommunications, Inc. System for and method of configuring distributed antenna communications system
US8175459B2 (en) 2007-10-12 2012-05-08 Corning Cable Systems Llc Hybrid wireless/wired RoF transponder and hybrid RoF communication system using same
US8594133B2 (en) * 2007-10-22 2013-11-26 Corning Mobileaccess Ltd. Communication system using low bandwidth wires
US8175649B2 (en) 2008-06-20 2012-05-08 Corning Mobileaccess Ltd Method and system for real time control of an active antenna over a distributed antenna system
WO2009081376A2 (en) 2007-12-20 2009-07-02 Mobileaccess Networks Ltd. Extending outdoor location based services and applications into enclosed areas
CN101242282B (zh) * 2008-02-14 2012-01-04 中国科学院计算技术研究所 一种用户接入装置和含有该装置的无线局域网系统
US8310963B2 (en) * 2008-06-24 2012-11-13 Adc Telecommunications, Inc. System and method for synchronized time-division duplex signal switching
WO2010090999A1 (en) 2009-02-03 2010-08-12 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
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
EP2399141A4 (de) * 2009-02-08 2012-08-01 Corning Mobileaccess Ltd Kommunikationssystem mit auf kabeln transportierten ethernet-signalen
US9001811B2 (en) 2009-05-19 2015-04-07 Adc Telecommunications, Inc. Method of inserting CDMA beacon pilots in output of distributed remote antenna nodes
US9590733B2 (en) 2009-07-24 2017-03-07 Corning Optical Communications LLC Location tracking using fiber optic array cables and related systems and methods
DE102009052936B8 (de) 2009-11-12 2012-05-10 Andrew Wireless Systems Gmbh Master-Einheit, Remote-Einheit sowie Multiband-Übertragungssystem
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
IT1398534B1 (it) 2010-02-25 2013-03-01 Wisytech S R L Apparecchiatura per sistema di telecomunicazione a femtocelle.
US8428510B2 (en) * 2010-03-25 2013-04-23 Adc Telecommunications, Inc. Automatic gain control configuration for a wideband distributed antenna system
EP2553839A1 (de) 2010-03-31 2013-02-06 Corning Cable Systems LLC Ortungsdienste bei glasfaserbasierten verteilten kommunikationskomponenten und -systemen sowie zugehörige verfahren
US8472579B2 (en) 2010-07-28 2013-06-25 Adc Telecommunications, Inc. Distributed digital reference clock
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)
US9160449B2 (en) 2010-10-13 2015-10-13 Ccs Technology, Inc. Local power management for remote antenna units in distributed antenna systems
US9252874B2 (en) 2010-10-13 2016-02-02 Ccs Technology, Inc Power management for remote antenna units in distributed antenna systems
US8532242B2 (en) 2010-10-27 2013-09-10 Adc Telecommunications, Inc. Distributed antenna system with combination of both all digital transport and hybrid digital/analog transport
CN103314556B (zh) 2010-11-24 2017-09-08 康宁光缆系统有限责任公司 用于分布式天线系统的能够带电连接和/或断开连接的配电模块及相关电力单元、组件与方法
US11296504B2 (en) 2010-11-24 2022-04-05 Corning Optical Communications LLC Power distribution module(s) capable of hot connection and/or disconnection for wireless communication systems, and related power units, components, and methods
US8462683B2 (en) 2011-01-12 2013-06-11 Adc Telecommunications, Inc. Distinct transport path for MIMO transmissions in distributed antenna systems
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
US8693342B2 (en) 2011-10-28 2014-04-08 Adc Telecommunications, Inc. Distributed antenna system using time division duplexing scheme
WO2013142662A2 (en) 2012-03-23 2013-09-26 Corning Mobile Access Ltd. Radio-frequency integrated circuit (rfic) chip(s) for providing distributed antenna system functionalities, and related components, systems, and methods
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
EP2870823B1 (de) 2012-07-05 2016-06-29 Telefonaktiebolaget LM Ericsson (publ) Verfahren und netzwerkknoten für kommunikation zwischen einem ersten netzwerkknoten und zweiten netzwerkknoten über eine verdrillte leitung
US9154222B2 (en) 2012-07-31 2015-10-06 Corning Optical Communications LLC Cooling system control in distributed antenna systems
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
US9455784B2 (en) 2012-10-31 2016-09-27 Corning Optical Communications Wireless Ltd Deployable wireless infrastructures and methods of deploying wireless infrastructures
US10257056B2 (en) 2012-11-28 2019-04-09 Corning Optical Communications LLC Power management for distributed communication systems, and related components, systems, and methods
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
US9497706B2 (en) 2013-02-20 2016-11-15 Corning Optical Communications Wireless Ltd Power management in distributed antenna systems (DASs), and related components, systems, and methods
CN105144666B (zh) 2013-02-22 2019-06-11 Adc电信股份有限公司 来自于分布式天线系统的基站网络接口的主基准
KR102228617B1 (ko) 2013-02-22 2021-03-15 콤스코프 테크놀로지스 엘엘씨 범용 원격 라디오 헤드
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
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)
US9554194B2 (en) 2013-06-20 2017-01-24 Antronix Inc. System and method for providing data communication services through a CATV tap-off device
US10735822B2 (en) 2013-06-20 2020-08-04 Antronix Inc. System and method for providing data communication services through a CATV tap-off device
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
WO2015029028A1 (en) 2013-08-28 2015-03-05 Corning Optical Communications Wireless Ltd. Power management for distributed communication systems, and related components, systems, and methods
US9385810B2 (en) 2013-09-30 2016-07-05 Corning Optical Communications Wireless Ltd Connection mapping in distributed communication systems
US9787457B2 (en) 2013-10-07 2017-10-10 Commscope Technologies Llc Systems and methods for integrating asynchronous signals in distributed antenna system with direct digital interface to base station
WO2015079435A1 (en) 2013-11-26 2015-06-04 Corning Optical Communications Wireless Ltd. Selective activation of communications services on power-up of a remote unit(s) in a distributed antenna system (das) based on power consumption
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
EP3108627A4 (de) 2014-02-18 2017-10-11 CommScope Technologies LLC Selektive kombination von uplink-signalen in verteilten antennensystemen
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
CN106471754B (zh) 2014-06-11 2019-09-20 康普技术有限责任公司 通过分布式天线系统的比特率高效传输
US9509133B2 (en) 2014-06-27 2016-11-29 Corning Optical Communications Wireless Ltd Protection of 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
US9653861B2 (en) 2014-09-17 2017-05-16 Corning Optical Communications Wireless Ltd Interconnection of hardware components
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)
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
US9184960B1 (en) 2014-09-25 2015-11-10 Corning Optical Communications Wireless Ltd Frequency shifting a communications signal(s) in a multi-frequency distributed antenna system (DAS) to avoid or reduce frequency interference
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
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)
US9785175B2 (en) 2015-03-27 2017-10-10 Corning Optical Communications Wireless, Ltd. Combining power from electrically isolated power paths for powering remote units in a distributed antenna system(s) (DASs)
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
JP6515747B2 (ja) * 2015-08-31 2019-05-22 アイコム株式会社 通信システム、周波数制御方法、遠隔端末およびプログラム
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)
US10499269B2 (en) 2015-11-12 2019-12-03 Commscope Technologies Llc Systems and methods for assigning controlled nodes to channel interfaces of a controller
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)
DE112019006126T5 (de) 2018-12-10 2021-10-28 Intel Corporation Verteiltes relay
JP7502926B2 (ja) 2020-08-11 2024-06-19 日本放送協会 レベル調整装置

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2747083A (en) * 1950-06-07 1956-05-22 Radio Patents Company Frequency-modulated high-frequency system
NL87379C (de) * 1951-02-07
US4063173A (en) * 1976-04-01 1977-12-13 Motorola, Inc. Dual mode receiver
US4186347A (en) * 1978-10-31 1980-01-29 Nasa Radio frequency arraying method for receivers
US4449246A (en) * 1980-05-02 1984-05-15 Harris Corporation Orderwire communication system
US4476574A (en) * 1980-09-17 1984-10-09 The United States Of America As Represented By The United States Department Of Energy Radio frequency communication system utilizing radiating transmission lines
JPS57135582A (en) * 1981-02-16 1982-08-21 Hitachi Ltd Reception circuit for fm television signal
US4500976A (en) * 1982-06-07 1985-02-19 Phillips Petroleum Company Seismic exploration
JPS5957534A (ja) * 1982-09-27 1984-04-03 Alps Electric Co Ltd 衛星放送用受信器の屋内ユニツト
FR2596220A1 (fr) * 1986-03-21 1987-09-25 Portenseigne Demodulateur de frequence
DK158688A (da) * 1987-03-24 1988-09-25 Mitsubishi Electric Corp Hoejfrekvens signal-forstaerker
US4901368A (en) * 1987-10-19 1990-02-13 American Telephone And Telegraph Company Frequency translation correction scheme for satellite communication system
US4959862A (en) * 1988-04-28 1990-09-25 Catel Telecommunications, Inc. Active multichannel video processing hub for optimum transition from fiber to coax
US5046135A (en) * 1989-11-30 1991-09-03 John E. Chance & Associates Method and apparatus for frequency stabilization of a down converter
US5187803A (en) * 1990-01-18 1993-02-16 Andrew Corporation Regenerative rf bi-directional amplifier system
US5109532A (en) * 1990-01-30 1992-04-28 General Instrument Corporation Elimination of phase noise and drift incident to up and down conversion in a broadcast communication system
JPH05152989A (ja) * 1991-12-02 1993-06-18 Sony Corp スーパーヘテロダイン受信機
WO1993014578A1 (en) * 1992-01-21 1993-07-22 Motorola Inc. Radio receiver for forming a baseband signal of time-varying frequencies
US5404570A (en) * 1992-11-23 1995-04-04 Telefonaktiebolaget L M Ericsson Radio coverage in closed environments
GB2282298B (en) * 1993-08-27 1997-08-13 Motorola Gmbh A cell enhancer for simulcast radio transmission

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WO1997040590A1 (en) 1997-10-30
DE69727664T2 (de) 2004-12-23
JP3565563B2 (ja) 2004-09-15
ES2216144T3 (es) 2004-10-16
DK0894369T3 (da) 2004-06-28
AU715343B2 (en) 2000-01-20
EP0894369A1 (de) 1999-02-03
JP2000509224A (ja) 2000-07-18
DE69727664D1 (de) 2004-03-25
CA2251959C (en) 2001-12-25
CA2251959A1 (en) 1997-10-30
AU2811297A (en) 1997-11-12
EP0894369B1 (de) 2004-02-18
US5765099A (en) 1998-06-09
PT894369E (pt) 2004-07-30
CN1224549A (zh) 1999-07-28
CN1240192C (zh) 2006-02-01
EP0894369A4 (de) 1999-08-04

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