DE602006017950D1 - MIMO Kommunikationssystem mit SDMA - Google Patents

MIMO Kommunikationssystem mit SDMA

Info

Publication number
DE602006017950D1
DE602006017950D1 DE602006017950T DE602006017950T DE602006017950D1 DE 602006017950 D1 DE602006017950 D1 DE 602006017950D1 DE 602006017950 T DE602006017950 T DE 602006017950T DE 602006017950 T DE602006017950 T DE 602006017950T DE 602006017950 D1 DE602006017950 D1 DE 602006017950D1
Authority
DE
Germany
Prior art keywords
sdma
communication system
mimo communication
discloses
base station
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
DE602006017950T
Other languages
English (en)
Inventor
Liyu Cai
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alcatel Lucent SAS
Original Assignee
Alcatel Lucent SAS
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 Alcatel Lucent SAS filed Critical Alcatel Lucent SAS
Publication of DE602006017950D1 publication Critical patent/DE602006017950D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/022—Site diversity; Macro-diversity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H04B7/0452—Multi-user MIMO systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0667—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of delayed versions of same signal
    • H04B7/0669—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of delayed versions of same signal using different channel coding between antennas
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/068—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission using space frequency diversity
DE602006017950T 2005-10-18 2006-09-29 MIMO Kommunikationssystem mit SDMA Active DE602006017950D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2005100306249A CN100407825C (zh) 2005-10-18 2005-10-18 分布式基站、通信系统及其使用的信号传输方法

Publications (1)

Publication Number Publication Date
DE602006017950D1 true DE602006017950D1 (de) 2010-12-16

Family

ID=37684110

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602006017950T Active DE602006017950D1 (de) 2005-10-18 2006-09-29 MIMO Kommunikationssystem mit SDMA

Country Status (7)

Country Link
US (1) US8248993B2 (de)
EP (1) EP1777837B1 (de)
JP (1) JP4546436B2 (de)
KR (1) KR101269823B1 (de)
CN (1) CN100407825C (de)
AT (1) ATE487289T1 (de)
DE (1) DE602006017950D1 (de)

Families Citing this family (124)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8396368B2 (en) * 2009-12-09 2013-03-12 Andrew Llc Distributed antenna system for MIMO signals
IT1403065B1 (it) * 2010-12-01 2013-10-04 Andrew Wireless Systems Gmbh Distributed antenna system for mimo signals.
US9819403B2 (en) 2004-04-02 2017-11-14 Rearden, Llc System and method for managing handoff of a client between different distributed-input-distributed-output (DIDO) networks based on detected velocity of the client
US10200094B2 (en) 2004-04-02 2019-02-05 Rearden, Llc Interference management, handoff, power control and link adaptation in distributed-input distributed-output (DIDO) communication systems
US10425134B2 (en) 2004-04-02 2019-09-24 Rearden, Llc System and methods for planned evolution and obsolescence of multiuser spectrum
US8542763B2 (en) 2004-04-02 2013-09-24 Rearden, Llc Systems and methods to coordinate transmissions in distributed wireless systems via user clustering
US10277290B2 (en) 2004-04-02 2019-04-30 Rearden, Llc Systems and methods to exploit areas of coherence in wireless systems
US11451275B2 (en) 2004-04-02 2022-09-20 Rearden, Llc System and method for distributed antenna wireless communications
US10886979B2 (en) 2004-04-02 2021-01-05 Rearden, Llc System and method for link adaptation in DIDO multicarrier systems
US10187133B2 (en) 2004-04-02 2019-01-22 Rearden, Llc System and method for power control and antenna grouping in a distributed-input-distributed-output (DIDO) network
US9312929B2 (en) 2004-04-02 2016-04-12 Rearden, Llc System and methods to compensate for Doppler effects in multi-user (MU) multiple antenna systems (MAS)
US11394436B2 (en) 2004-04-02 2022-07-19 Rearden, Llc System and method for distributed antenna wireless communications
US11309943B2 (en) 2004-04-02 2022-04-19 Rearden, Llc System and methods for planned evolution and obsolescence of multiuser spectrum
US10749582B2 (en) 2004-04-02 2020-08-18 Rearden, Llc Systems and methods to coordinate transmissions in distributed wireless systems via user clustering
US10985811B2 (en) 2004-04-02 2021-04-20 Rearden, Llc System and method for distributed antenna wireless communications
US9826537B2 (en) 2004-04-02 2017-11-21 Rearden, Llc System and method for managing inter-cluster handoff of clients which traverse multiple DIDO clusters
US8654815B1 (en) 2004-04-02 2014-02-18 Rearden, Llc System and method for distributed antenna wireless communications
US9685997B2 (en) 2007-08-20 2017-06-20 Rearden, Llc Systems and methods to enhance spatial diversity in distributed-input distributed-output wireless systems
EP2464028A1 (de) 2006-02-28 2012-06-13 Rotani Inc. Verfahren und Vorrichtung zur Überlappung physischer MIMO-Antennensektoren
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
CN101350647B (zh) * 2007-07-16 2013-04-03 电信科学技术研究院 一种处理多天线信号的方法及系统
US20100054746A1 (en) 2007-07-24 2010-03-04 Eric Raymond Logan Multi-port accumulator for radio-over-fiber (RoF) wireless picocellular systems
CN101374005B (zh) * 2007-08-23 2013-05-15 电信科学技术研究院 一种下行用户数据发送方法及分布式天线移动通信系统
CN101388698B (zh) * 2007-09-14 2012-09-05 中兴通讯股份有限公司 一种配置分布式天线单元的td-scdma基站的下行发射方法
US8175459B2 (en) 2007-10-12 2012-05-08 Corning Cable Systems Llc Hybrid wireless/wired RoF transponder and hybrid RoF communication system using same
WO2009081376A2 (en) * 2007-12-20 2009-07-02 Mobileaccess Networks Ltd. Extending outdoor location based services and applications into enclosed areas
KR101119249B1 (ko) * 2008-03-26 2012-03-19 서강대학교산학협력단 분산 안테나 시스템에서 신호 처리 장치 및 방법
CN101557249B (zh) * 2008-04-07 2012-11-07 上海贝尔阿尔卡特股份有限公司 无线通信系统中控制协作传输下行信号的方法和装置
JP5174169B2 (ja) * 2008-07-30 2013-04-03 株式会社日立製作所 無線通信システムおよび無線通信方法
US9294160B2 (en) * 2008-08-11 2016-03-22 Qualcomm Incorporated Method and apparatus for supporting distributed MIMO in a wireless communication system
CN102067472B (zh) * 2008-08-15 2015-03-18 上海贝尔股份有限公司 基于固定波束族的波束赋形方法、基站和用户设备
CN101686072A (zh) * 2008-09-22 2010-03-31 中兴通讯股份有限公司 天线分集方法和装置
CN102160442B (zh) * 2008-09-22 2014-07-16 夏普株式会社 基站设备、终端单元、具有这些设备的无线通信系统
CN102209921B (zh) 2008-10-09 2015-11-25 康宁光缆系统有限公司 具有支持来自光学分路器的输入和输出光纤的适配器面板的光纤终端
CN101729115A (zh) * 2008-10-29 2010-06-09 华为技术有限公司 一种多天线发射方法、装置及系统
JP5542144B2 (ja) * 2008-10-31 2014-07-09 アルカテル−ルーセント Ｍｉｍｏベースの複数基地局協調通信のための方法および装置
BRPI0823409B1 (pt) * 2008-12-30 2020-04-22 Telecom Italia Spa método de arranjar troca de sinais entre terminais de usuário em um sistema de comunicação celular e pelo menos uma estação base, sistema de antena distribuída, e, memória legível por computador
ES2673186T3 (es) 2008-12-30 2018-06-20 Telecom Italia S.P.A. Un procedimiento para comunicaciones móviles distribuidas, sistema correspondiente y producto de programa informático
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
EP2394379B1 (de) 2009-02-03 2016-12-28 Corning Optical Communications LLC Verteilte antennensysteme auf glasfaserbasis, bestandteile und entsprechende verfahren zu ihrer kalibrierung
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
US20100304773A1 (en) * 2009-05-27 2010-12-02 Ramprashad Sean A Method for selective antenna activation and per antenna or antenna group power assignments in cooperative signaling wireless mimo 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
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
US20110158340A1 (en) * 2009-12-28 2011-06-30 Qualcomm Incorporated Virtual antenna array for wireless devices
WO2011091588A1 (zh) * 2010-01-27 2011-08-04 中兴通讯股份有限公司 双流多输入多输出波束赋形权值获取方法和装置，双流多输入多输出波束赋形数据发送方法和装置
CN102474315B (zh) 2010-01-27 2014-04-23 中兴通讯股份有限公司 多输入多输出波束赋形数据发送方法和装置
IT1398025B1 (it) 2010-02-12 2013-02-07 Andrew Llc Distributed antenna system for mimo communications.
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
JP5331968B2 (ja) * 2010-02-22 2013-10-30 日本電信電話株式会社 光無線アクセスシステムおよび方法
EP2553839A1 (de) 2010-03-31 2013-02-06 Corning Cable Systems LLC Ortungsdienste bei glasfaserbasierten verteilten kommunikationskomponenten und -systemen sowie zugehörige verfahren
US9525488B2 (en) 2010-05-02 2016-12-20 Corning Optical Communications LLC Digital data services and/or power distribution in optical fiber-based distributed communications systems providing digital data and radio frequency (RF) communications services, and related components and methods
US20110268446A1 (en) 2010-05-02 2011-11-03 Cune William P Providing digital data services in optical fiber-based distributed radio frequency (rf) communications systems, and related components and methods
CN102893537B (zh) * 2010-06-16 2016-06-22 马维尔国际贸易有限公司 用于下行多用户mimo配置的替换反馈类型
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)
WO2012024247A1 (en) 2010-08-16 2012-02-23 Corning Cable Systems Llc Remote antenna clusters and related systems, components, and methods supporting digital data signal propagation between remote antenna units
WO2012044969A1 (en) 2010-10-01 2012-04-05 Andrew Llc Distributed antenna system for mimo signals
US9252874B2 (en) 2010-10-13 2016-02-02 Ccs Technology, Inc Power management for remote antenna units in distributed antenna systems
US9547145B2 (en) 2010-10-19 2017-01-17 Corning Optical Communications LLC Local convergence point for multiple dwelling unit fiber optic distribution network
JP5159863B2 (ja) * 2010-11-15 2013-03-13 株式会社東芝 無線基地局装置、無線部制御装置及び無線通信方法
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
JP5197781B2 (ja) * 2011-02-24 2013-05-15 株式会社東芝 無線基地局装置、無線部制御装置及び無線通信方法
CN103548290B (zh) 2011-04-29 2016-08-31 康宁光缆系统有限责任公司 判定分布式天线系统中的通信传播延迟及相关组件、系统与方法
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
US9219546B2 (en) 2011-12-12 2015-12-22 Corning Optical Communications LLC Extremely high frequency (EHF) distributed antenna systems, and related components and methods
US10110307B2 (en) 2012-03-02 2018-10-23 Corning Optical Communications LLC Optical network units (ONUs) for high bandwidth connectivity, and related components 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
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
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
US9113364B2 (en) 2012-08-09 2015-08-18 Microsoft Technology Licensing, Llc Extended access point
US9455784B2 (en) 2012-10-31 2016-09-27 Corning Optical Communications Wireless Ltd Deployable wireless infrastructures and methods of deploying wireless infrastructures
US9479233B2 (en) * 2012-11-08 2016-10-25 Intel Corporation Apparatus, system and method of multi-input-multi-output (MIMO) beamformed communication with space block coding
TWI467936B (zh) 2012-11-22 2015-01-01 Ind Tech Res Inst 光載無線通訊系統中抑制干擾的方法與裝置
US11190947B2 (en) 2014-04-16 2021-11-30 Rearden, Llc Systems and methods for concurrent spectrum usage within actively used spectrum
US10194346B2 (en) 2012-11-26 2019-01-29 Rearden, Llc Systems and methods for exploiting inter-cell multiplexing gain in wireless cellular systems via distributed input distributed output technology
US11050468B2 (en) 2014-04-16 2021-06-29 Rearden, Llc Systems and methods for mitigating interference within actively used spectrum
US11189917B2 (en) 2014-04-16 2021-11-30 Rearden, Llc Systems and methods for distributing radioheads
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)
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
DE202014010644U1 (de) * 2013-02-16 2016-04-08 Cable Television Laboratories Inc. Multiple-input multiple-output (mimo) kommunikationssystem
US9973246B2 (en) 2013-03-12 2018-05-15 Rearden, Llc Systems and methods for exploiting inter-cell multiplexing gain in wireless cellular systems via distributed input distributed output technology
US10164698B2 (en) 2013-03-12 2018-12-25 Rearden, Llc Systems and methods for exploiting inter-cell multiplexing gain in wireless cellular systems via distributed input distributed output technology
US9923657B2 (en) 2013-03-12 2018-03-20 Rearden, Llc Systems and methods for exploiting inter-cell multiplexing gain in wireless cellular systems via distributed input distributed output technology
US10488535B2 (en) 2013-03-12 2019-11-26 Rearden, Llc Apparatus and method for capturing still images and video using diffraction coded imaging techniques
RU2767777C2 (ru) 2013-03-15 2022-03-21 Риарден, Ллк Системы и способы радиочастотной калибровки с использованием принципа взаимности каналов в беспроводной связи с распределенным входом - распределенным выходом
EP3008828B1 (de) 2013-06-12 2017-08-09 Corning Optical Communications Wireless Ltd. Zeitduplexierung (tdd) in verteilten kommunikationssystemen, einschliesslich verteilten antennensystemen (dass)
EP3008515A1 (de) 2013-06-12 2016-04-20 Corning Optical Communications Wireless, Ltd Spannungsgesteuerter optischer richtkoppler
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
US9065498B1 (en) 2013-10-09 2015-06-23 Sprint Communications Company L.P. Dynamic assignment of MIMO modes for a wireless communication device
KR102230659B1 (ko) * 2013-11-11 2021-03-23 한국전자통신연구원 분산 어레이 거대 다중 안테나 시스템 및 분산 어레이 거대 다중 안테나 시스템 운용 방법
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
US11290162B2 (en) 2014-04-16 2022-03-29 Rearden, Llc Systems and methods for mitigating interference within actively used spectrum
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
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)
US9763162B2 (en) 2015-01-30 2017-09-12 Telefonaktiebolaget L M Ericsson (Publ) Cell detection in a cellular communications network
US9762343B2 (en) * 2015-01-30 2017-09-12 Telefonaktiebolaget L M Ericsson (Publ) Interference rejection for improved cell detection
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
CN104993859B (zh) * 2015-08-05 2018-07-06 中国电子科技集团公司第五十四研究所 一种适用于时间异步环境下的分布式波束赋形方法
JP6510363B2 (ja) * 2015-08-07 2019-05-08 日本電信電話株式会社 無線通信システム及び無線通信方法
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)
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)
WO2019040059A1 (en) * 2017-08-23 2019-02-28 Intel Corporation METHODS AND APPARATUS FOR SPATIAL REUSE IN A WIRELESS NETWORK
CN112749122B (zh) * 2020-12-09 2022-05-17 四川九洲空管科技有限责任公司 一种相控阵雷达加权系数分布式计算系统

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6870515B2 (en) * 2000-12-28 2005-03-22 Nortel Networks Limited MIMO wireless communication system
US7095709B2 (en) * 2002-06-24 2006-08-22 Qualcomm, Incorporated Diversity transmission modes for MIMO OFDM communication systems
US20040032910A1 (en) 2002-08-13 2004-02-19 Jyhchau Horng MIMO systems with STTD encoding and dynamic power allocation
JP3717913B2 (ja) * 2002-12-27 2005-11-16 三洋電機株式会社 無線装置
US7103383B2 (en) 2002-12-31 2006-09-05 Wirless Highways, Inc. Apparatus, system, method and computer program product for digital beamforming in the intermediate frequency domain
JP2004328464A (ja) * 2003-04-25 2004-11-18 Samsung Electronics Co Ltd 送信ダイバーシチシステム、ビーム選択方法、拡散符号割当方法、及びそのプログラム
JP4279288B2 (ja) * 2003-06-19 2009-06-17 三菱電機株式会社 無線基地局装置と移動体通信システム
WO2005034408A2 (en) * 2003-10-01 2005-04-14 Board Of Regents Of The University Of Texas System Wireless network system and method
TWI237955B (en) 2003-11-24 2005-08-11 Ind Tech Res Inst Apparatus of transmitter and receiver for MIMO MC-CDMA system
US7428268B2 (en) * 2004-12-07 2008-09-23 Adaptix, Inc. Cooperative MIMO in multicell wireless networks
US7778826B2 (en) * 2005-01-13 2010-08-17 Intel Corporation Beamforming codebook generation system and associated methods

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JP4546436B2 (ja) 2010-09-15
ATE487289T1 (de) 2010-11-15
KR20070042443A (ko) 2007-04-23
EP1777837B1 (de) 2010-11-03
US8248993B2 (en) 2012-08-21
EP1777837A1 (de) 2007-04-25
KR101269823B1 (ko) 2013-05-30
US20070093273A1 (en) 2007-04-26
CN1953574A (zh) 2007-04-25
JP2007116686A (ja) 2007-05-10

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