JP2017169223A5 - - Google Patents

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JP2017169223A5
JP2017169223A5 JP2017094314A JP2017094314A JP2017169223A5 JP 2017169223 A5 JP2017169223 A5 JP 2017169223A5 JP 2017094314 A JP2017094314 A JP 2017094314A JP 2017094314 A JP2017094314 A JP 2017094314A JP 2017169223 A5 JP2017169223 A5 JP 2017169223A5
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signal
converting
uplink
dau
carriers
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JP2017169223A (ja
JP6364109B2 (ja
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Priority claimed from US12/928,933 external-priority patent/US8730786B2/en
Priority claimed from US12/928,943 external-priority patent/US8542768B2/en
Priority claimed from US12/928,934 external-priority patent/US8351877B2/en
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Publication of JP2017169223A5 publication Critical patent/JP2017169223A5/ja
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JP2017094314A 2010-08-17 2017-05-10 遠隔で再構成可能な分散型アンテナシステム及び分散型アンテナ方法 Active JP6364109B2 (ja)

Applications Claiming Priority (14)

Application Number Priority Date Filing Date Title
US37459310P 2010-08-17 2010-08-17
US61/374,593 2010-08-17
US38283610P 2010-09-14 2010-09-14
US61/382,836 2010-09-14
US12/928,933 US8730786B2 (en) 2009-12-21 2010-12-21 Remote radio head unit system with wideband power amplifier and method
US12/928,934 2010-12-21
US12/928,943 US8542768B2 (en) 2009-12-21 2010-12-21 High efficiency, remotely reconfigurable remote radio head unit system and method for wireless communications
US12/928,943 2010-12-21
US12/928,931 US8804870B2 (en) 2009-12-21 2010-12-21 Modulation agnostic digital hybrid mode power amplifier system and method
US12/928,933 2010-12-21
US12/928,931 2010-12-21
US12/928,934 US8351877B2 (en) 2010-12-21 2010-12-21 Multi-band wideband power amplifier digital predistorition system and method
US201161439940P 2011-02-07 2011-02-07
US61/439,940 2011-02-07

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JP2015245373A Division JP6144327B2 (ja) 2010-08-17 2015-12-16 遠隔で再構成可能な分散型アンテナシステム及び分散型アンテナ方法

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JP2017169223A JP2017169223A (ja) 2017-09-21
JP2017169223A5 true JP2017169223A5 (enExample) 2017-11-16
JP6364109B2 JP6364109B2 (ja) 2018-07-25

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JP2013524941A Active JP5911149B2 (ja) 2010-08-17 2011-08-16 分散型アンテナシステムのための中立ホストアーキテクチャ
JP2013525983A Active JP6005646B2 (ja) 2010-08-17 2011-08-16 分散型アンテナシステムのための遠隔ユニットのデイジーチェーン型リング
JP2013524942A Active JP5859538B2 (ja) 2010-08-17 2011-08-16 遠隔で再構成可能な分散型アンテナシステム及び分散型アンテナ方法
JP2015245373A Active JP6144327B2 (ja) 2010-08-17 2015-12-16 遠隔で再構成可能な分散型アンテナシステム及び分散型アンテナ方法
JP2016139702A Active JP6405342B2 (ja) 2010-08-17 2016-07-14 分散型アンテナシステムのための遠隔ユニットのデイジーチェーン型リング
JP2016174930A Active JP6463707B2 (ja) 2010-08-17 2016-09-07 分散型アンテナシステムのための遠隔ユニットのデイジーチェーン型リング
JP2017094314A Active JP6364109B2 (ja) 2010-08-17 2017-05-10 遠隔で再構成可能な分散型アンテナシステム及び分散型アンテナ方法
JP2018124665A Active JP6675444B2 (ja) 2010-08-17 2018-06-29 遠隔で再構成可能な分散型アンテナシステム及び分散型アンテナ方法
JP2019000096A Active JP6825017B2 (ja) 2010-08-17 2019-01-04 分散型アンテナシステムのための遠隔ユニットのデイジーチェーン型リング
JP2020132648A Pending JP2020188508A (ja) 2010-08-17 2020-08-04 分散型アンテナシステムのための遠隔ユニットのデイジーチェーン型リング
JP2021003550A Pending JP2021064972A (ja) 2010-08-17 2021-01-13 分散型アンテナシステムのための遠隔ユニットのデイジーチェーン型リング

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JP2013524941A Active JP5911149B2 (ja) 2010-08-17 2011-08-16 分散型アンテナシステムのための中立ホストアーキテクチャ
JP2013525983A Active JP6005646B2 (ja) 2010-08-17 2011-08-16 分散型アンテナシステムのための遠隔ユニットのデイジーチェーン型リング
JP2013524942A Active JP5859538B2 (ja) 2010-08-17 2011-08-16 遠隔で再構成可能な分散型アンテナシステム及び分散型アンテナ方法
JP2015245373A Active JP6144327B2 (ja) 2010-08-17 2015-12-16 遠隔で再構成可能な分散型アンテナシステム及び分散型アンテナ方法
JP2016139702A Active JP6405342B2 (ja) 2010-08-17 2016-07-14 分散型アンテナシステムのための遠隔ユニットのデイジーチェーン型リング
JP2016174930A Active JP6463707B2 (ja) 2010-08-17 2016-09-07 分散型アンテナシステムのための遠隔ユニットのデイジーチェーン型リング

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JP2018124665A Active JP6675444B2 (ja) 2010-08-17 2018-06-29 遠隔で再構成可能な分散型アンテナシステム及び分散型アンテナ方法
JP2019000096A Active JP6825017B2 (ja) 2010-08-17 2019-01-04 分散型アンテナシステムのための遠隔ユニットのデイジーチェーン型リング
JP2020132648A Pending JP2020188508A (ja) 2010-08-17 2020-08-04 分散型アンテナシステムのための遠隔ユニットのデイジーチェーン型リング
JP2021003550A Pending JP2021064972A (ja) 2010-08-17 2021-01-13 分散型アンテナシステムのための遠隔ユニットのデイジーチェーン型リング

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EP (3) EP2606571A4 (enExample)
JP (11) JP5911149B2 (enExample)
KR (2) KR101662879B1 (enExample)
WO (1) WO2012024345A2 (enExample)

Families Citing this family (58)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8380143B2 (en) 2002-05-01 2013-02-19 Dali Systems Co. Ltd Power amplifier time-delay invariant predistortion methods and apparatus
US8811917B2 (en) 2002-05-01 2014-08-19 Dali Systems Co. Ltd. Digital hybrid mode power amplifier system
JP5236661B2 (ja) 2006-12-26 2013-07-17 ダリ システムズ カンパニー リミテッド 多チャンネル広帯域通信システムにおけるベースバンドプリディストーション線形化の方法及びシステム
EP2203799A4 (en) 2007-10-22 2017-05-17 Mobileaccess Networks Ltd. Communication system using low bandwidth wires
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
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
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
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
KR101835254B1 (ko) 2010-08-17 2018-03-06 달리 시스템즈 씨오. 엘티디. 분산 안테나 시스템을 위한 뉴트럴 호스트 아키텍처
CN103597807B (zh) 2010-09-14 2015-09-30 大理系统有限公司 远程可重新配置的分布式天线系统和方法
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
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
US8688131B2 (en) * 2011-10-14 2014-04-01 Qualcomm Incorporated Apparatus and methods for facilitating simulcasting and de-simulcasting in a distributed antenna system
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
US8634323B2 (en) 2011-10-14 2014-01-21 Qualcomm Incorporated Apparatuses and methods for facilitating simulcasting and de-simulcasting with a plurality of base stations
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
KR101156667B1 (ko) 2011-12-06 2012-06-14 주식회사 에이디알에프코리아 통신 시스템의 필터 계수 설정 방법
EP3258722B1 (en) 2012-02-17 2024-07-10 Dali Systems Co. Ltd. Evolutionary algorithms for geographic load balancing using a distributed antennna
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
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
JP5878452B2 (ja) * 2012-10-26 2016-03-08 日本電信電話株式会社 分散型無線通信基地局システム、信号処理装置、無線装置、及び分散型無線通信基地局システムの動作方法
US9455784B2 (en) 2012-10-31 2016-09-27 Corning Optical Communications Wireless Ltd Deployable wireless infrastructures and methods of deploying wireless infrastructures
WO2014085115A1 (en) 2012-11-29 2014-06-05 Corning Cable Systems Llc HYBRID INTRA-CELL / INTER-CELL REMOTE UNIT ANTENNA BONDING IN MULTIPLE-INPUT, MULTIPLE-OUTPUT (MIMO) DISTRIBUTED ANTENNA SYSTEMS (DASs)
WO2014110060A1 (en) 2013-01-08 2014-07-17 Zone Access Technologies, Inc. System and method for calibration of a distributed amplifier system
WO2014120920A1 (en) * 2013-01-31 2014-08-07 Dali Systems Co. Ltd. Indoor localization using digital off-air access units
US9179501B2 (en) * 2013-02-20 2015-11-03 Advanced Rf Technologies, Inc. Multi-carrier integration apparatus for distributed antenna system
US9847816B2 (en) 2013-12-19 2017-12-19 Dali Systems Co. Ltd. Digital transport of data over distributed antenna network
SG11201605464TA (en) * 2014-01-06 2016-08-30 Dali Systems Co Ltd Network switch for a distributed antenna network
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
JP6189789B2 (ja) * 2014-05-15 2017-08-30 日本電信電話株式会社 分散型無線通信基地局システムおよび通信方法
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
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
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
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
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
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)
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)
WO2016108602A1 (ko) * 2014-12-29 2016-07-07 주식회사 쏠리드 분산 안테나 시스템의 노드 유닛
CN104617995B (zh) * 2014-12-29 2018-04-03 三维通信股份有限公司 一种基于天线选择的室内das系统抗小基站上行信号干扰方法
KR102144964B1 (ko) * 2014-12-30 2020-08-14 주식회사 쏠리드 디지털 맵핑 데이터 전송 방법
KR101793887B1 (ko) 2015-08-03 2017-11-06 (주)에이디알에프코리아 Das 인터페이스 장치
KR101793888B1 (ko) 2015-08-10 2017-11-06 (주)에이디알에프코리아 멀티밴드, 멀티캐리어를 지원하는 기지국 인터페이스 장치
JP6610682B2 (ja) * 2016-01-21 2019-11-27 富士通株式会社 基地局装置および通信制御方法
JP2019521560A (ja) * 2016-05-12 2019-07-25 ダリ システムズ カンパニー リミテッド 公共安全分散アンテナシステムにおける冗長性
IT201600131387A1 (it) * 2016-12-27 2018-06-27 Teko Telecom S R L Unita’ radio remota riconfigurabile per sistemi distribuiti d’antenna
KR102470986B1 (ko) * 2017-02-15 2022-11-25 메이븐 와이어리스 스웨덴 에이비 리던던시를 제공하는 분산형 안테나 시스템
CN110521278B (zh) * 2017-02-23 2020-09-22 瑞典马文无线公司 用于信号优势的数字das的自动配置
JP2018207184A (ja) * 2017-05-30 2018-12-27 パナソニックＩｐマネジメント株式会社 施設内伝送システム、施設内伝送方法及び基地局
IT201700109664A1 (it) * 2017-09-29 2019-03-29 Teko Telecom S R L Sistema fronthaul per una rete di telecomunicazione wireless
KR20200084681A (ko) 2019-01-03 2020-07-13 주식회사 베라텍 Usb 인터페이스를 구비한 멀티모드/멀티밴드 스몰셀 안테나 시스템
JP7630242B2 (ja) * 2020-07-13 2025-02-17 株式会社東芝 通信中継装置およびコンピュータプログラム
US11818808B2 (en) 2021-01-29 2023-11-14 Dali Systems Co. Ltd. Redundant distributed antenna system (DAS) with failover capability
JP7682707B2 (ja) * 2021-06-15 2025-05-26 株式会社東芝 通信中継システムおよび無線装置

Family Cites Families (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04207532A (ja) * 1990-11-30 1992-07-29 Nippon Telegr & Teleph Corp <Ntt> 通信装置
JPH05136724A (ja) * 1991-11-15 1993-06-01 A T R Koudenpa Tsushin Kenkyusho:Kk 移動体無線通信システム
US5880863A (en) * 1996-02-13 1999-03-09 Gte Laboratories Incorporated Reconfigurable ring system for the transport of RF signals over optical fibers
US5999990A (en) * 1998-05-18 1999-12-07 Motorola, Inc. Communicator having reconfigurable resources
AU1125300A (en) * 1998-10-22 2000-05-08 University Of Maryland Method and system for providing location dependent and personal identification information to a public safety answering point
US6724737B1 (en) * 1999-06-17 2004-04-20 Lockheed Martin Global Telecommunications, Inc System for controlling communications between a terminal and satellite and method therefore
US6353600B1 (en) * 2000-04-29 2002-03-05 Lgc Wireless, Inc. Dynamic sectorization in a CDMA cellular system employing centralized base-station architecture
JP3388409B2 (ja) * 2000-11-22 2003-03-24 国土交通省国土技術政策総合研究所長 路側通信網
US6901256B2 (en) * 2000-12-29 2005-05-31 Sprint Spectrum L.P. Cellular/PCS CDMA system with pilot beacons for call handoffs
US6801767B1 (en) * 2001-01-26 2004-10-05 Lgc Wireless, Inc. Method and system for distributing multiband wireless communications signals
US7127175B2 (en) * 2001-06-08 2006-10-24 Nextg Networks Method and apparatus for multiplexing in a wireless communication infrastructure
US7493129B1 (en) * 2002-09-12 2009-02-17 At&T Mobility Ii Llc Method and apparatus to maintain network coverage when using a transport media to communicate with a remote antenna
JP2004147009A (ja) * 2002-10-23 2004-05-20 Hitachi Kokusai Electric Inc 中継増幅装置
US7103377B2 (en) * 2002-12-03 2006-09-05 Adc Telecommunications, Inc. Small signal threshold and proportional gain distributed digital communications
WO2004059934A1 (en) * 2002-12-24 2004-07-15 Pirelli & C. S.P.A. Radio base station receiver having digital filtering and reduced sampling frequency
JP4093937B2 (ja) * 2003-08-21 2008-06-04 富士通株式会社 光伝送システム
SE0302596D0 (sv) * 2003-09-30 2003-09-30 Ericsson Telefon Ab L M Improvments in or relating to base stations
DE602004006949T2 (de) * 2004-01-08 2008-02-28 Alcatel Lucent Funkbasisstation mit mehreren Funkfrequenzköpfen
EP1566979A1 (de) * 2004-02-23 2005-08-24 Siemens Aktiengesellschaft Mehrfache Verwendung einer standardisierten Schnittstelle in einer Vorrichtung
EP1750376B1 (en) * 2004-06-14 2015-10-21 Panasonic Intellectual Property Management Co., Ltd. Radio communication device
CN100502531C (zh) * 2004-07-13 2009-06-17 Ut斯达康通讯有限公司 无线基站系统中无线信号的分组传输方法
EP1810534B1 (en) * 2004-10-12 2015-06-17 Telefonaktiebolaget LM Ericsson (publ) Communication between a radio equipment control node and multiple remote radio equipment nodes
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
US7640019B2 (en) * 2005-03-31 2009-12-29 Adc Telecommunications, Inc. Dynamic reallocation of bandwidth and modulation protocols
JP4410158B2 (ja) * 2005-06-24 2010-02-03 株式会社東芝 通信システム及びそれに用いられる親機中継装置
US20070058742A1 (en) * 2005-09-09 2007-03-15 Demarco Anthony Distributed antenna system using signal precursors
CN1960231A (zh) * 2005-10-31 2007-05-09 Ut斯达康通讯有限公司 Cpri链路多路复用传输方法及系统
JP4981494B2 (ja) * 2006-05-30 2012-07-18 株式会社日立国際電気 無線通信システム及び張り出し局装置
US20080045254A1 (en) * 2006-08-15 2008-02-21 Motorola, Inc. Method and Apparatus for Maximizing Resource Utilization of Base Stations in a Communication Network
US9554284B2 (en) * 2006-09-22 2017-01-24 Alvarion Ltd. Wireless over PON
JP4791320B2 (ja) * 2006-10-13 2011-10-12 富士通株式会社 コモン・パブリック・ラジオ・インタフェース（ｃｐｒｉ）のベンダー特有領域を使った回線迂回方式
EP1924109B1 (en) * 2006-11-20 2013-11-06 Alcatel Lucent Method and system for wireless cellular indoor communications
JP2008135955A (ja) * 2006-11-28 2008-06-12 Toshiba Corp Ｒｏｆシステムおよび子局装置設置方法
WO2008099383A2 (en) * 2007-02-12 2008-08-21 Mobileaccess Networks Ltd. Mimo-adapted distributed antenna system
JP5040998B2 (ja) * 2007-05-31 2012-10-03 富士通株式会社 無線基地局装置および無線基地局装置内のリンク断救済方法
US20090060496A1 (en) * 2007-08-31 2009-03-05 Liu David H Method and system for enabling diagnosing of faults in a passive optical network
CN201127027Y (zh) * 2007-11-30 2008-10-01 京信通信系统（中国）有限公司 多载波数字选频射频拉远系统
CN101453799B (zh) * 2007-11-30 2010-05-19 京信通信系统（中国）有限公司 多载波数字选频射频拉远系统及其信号处理方法
US8165100B2 (en) * 2007-12-21 2012-04-24 Powerwave Technologies, Inc. Time division duplexed digital distributed antenna system
US8666428B2 (en) * 2008-01-29 2014-03-04 Alcatel Lucent Method to support user location in in-structure coverage systems
CN101521893B (zh) * 2008-02-25 2010-12-01 京信通信系统（中国）有限公司 宽带数字选频射频拉远系统及其信号处理方法
US8005152B2 (en) * 2008-05-21 2011-08-23 Samplify Systems, Inc. Compression of baseband signals in base transceiver systems
JP5090258B2 (ja) * 2008-06-05 2012-12-05 日本電信電話株式会社 無線アクセスシステムおよび端末局装置ならびに無線アクセス方法
US8208414B2 (en) * 2008-06-24 2012-06-26 Lgc Wireless, Inc. System and method for configurable time-division duplex interface
WO2010043752A1 (en) * 2008-10-16 2010-04-22 Elektrobit Wireless Communications Oy Beam forming method, apparatus and system
WO2010083182A2 (en) * 2009-01-13 2010-07-22 Adc Telecommunications, Inc. Systems and methods for improved digital rf transport in distributed antenna systems
JP5216604B2 (ja) * 2009-01-19 2013-06-19 株式会社日立国際電気 無線装置

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