ES2489117T3 - Método y aparato para un control de transmisión de enlace descendente del tipo de Múltiples Entradas, Múltiples Salidas (MIMO) - Google Patents

Método y aparato para un control de transmisión de enlace descendente del tipo de Múltiples Entradas, Múltiples Salidas (MIMO) Download PDF

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Publication number
ES2489117T3
ES2489117T3 ES10766627.3T ES10766627T ES2489117T3 ES 2489117 T3 ES2489117 T3 ES 2489117T3 ES 10766627 T ES10766627 T ES 10766627T ES 2489117 T3 ES2489117 T3 ES 2489117T3
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Spain
Prior art keywords
mimo
downlink transmission
type
transmission control
performance
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Active
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ES10766627.3T
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English (en)
Inventor
Gong Zhang
Yi LONG
Kaibin Huang
Yong Cheng
Jianneng Liu
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Publication of ES2489117T3 publication Critical patent/ES2489117T3/es
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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
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/391—Modelling the propagation channel
    • H04B17/3911—Fading models or fading generators
    • 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
    • H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0689—Hybrid systems, i.e. switching and simultaneous transmission using different transmission schemes, at least one of them being a diversity transmission scheme

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
  • Transmitters (AREA)
  • Studio Circuits (AREA)

Abstract

Un método de control de transmisión de enlace descendente del tipo de Múltiples Entradas/Múltiples Salidas (MIMO) que comprende: la obtención (10) de una tasa de cambio de desvanecimiento de canal y de un retardo de retroacción de un usuario; el cálculo (11) de una ganancia de rendimiento MIMO en bucle cerrado en conformidad con la tasa de cambio del desvanecimiento de canal y el retardo de retroacción, siendo la ganancia de rendimiento MIMO en bucle cerrado una diferencia de rendimiento entre un rendimiento MIMO en bucle cerrado y un rendimiento MIMO en bucle abierto y la determinación (12) de un modo de transmisión de enlace descendente en conformidad con la ganancia de rendimiento MIMO en bucle cerrado, en donde el modo de transmisión de enlace descendente comprende un modo de bucle cerrado o un modo de bucle abierto.

Description

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Claims (1)

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ES10766627.3T 2009-04-21 2010-04-20 Método y aparato para un control de transmisión de enlace descendente del tipo de Múltiples Entradas, Múltiples Salidas (MIMO) Active ES2489117T3 (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN2009101309929A CN101873159B (zh) 2009-04-21 2009-04-21 一种多输入多输出下行传输控制方法及装置
CN200910130992 2009-04-21
PCT/CN2010/071909 WO2010121537A1 (zh) 2009-04-21 2010-04-20 一种多输入多输出下行传输控制方法及装置

Publications (1)

Publication Number Publication Date
ES2489117T3 true ES2489117T3 (es) 2014-09-01

Family

ID=42997842

Family Applications (1)

Application Number Title Priority Date Filing Date
ES10766627.3T Active ES2489117T3 (es) 2009-04-21 2010-04-20 Método y aparato para un control de transmisión de enlace descendente del tipo de Múltiples Entradas, Múltiples Salidas (MIMO)

Country Status (6)

Country Link
US (1) US8611244B2 (es)
EP (1) EP2416502B1 (es)
CN (1) CN101873159B (es)
BR (1) BRPI1014172B1 (es)
ES (1) ES2489117T3 (es)
WO (1) WO2010121537A1 (es)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101873159B (zh) 2009-04-21 2013-01-16 华为技术有限公司 一种多输入多输出下行传输控制方法及装置
CN102244564B (zh) * 2010-05-11 2014-12-10 中兴通讯股份有限公司 多输入多输出mimo系统的下行传输方法和基站
CN102055567B (zh) * 2011-01-26 2014-04-02 上海华为技术有限公司 多输入多输出模式切换方法和终端设备
CN103477699B (zh) * 2011-04-11 2017-08-25 安华高科技通用Ip(新加坡)公司 用于提供上行链路反馈优化的方法和设备
US20140078934A1 (en) * 2011-05-10 2014-03-20 Nokia Corporation Delay feedback for coordinated multi-point transmission
CN102255694A (zh) * 2011-07-19 2011-11-23 电信科学技术研究院 信道状态信息传输方法和设备
US20130022142A1 (en) * 2011-07-20 2013-01-24 Sairamesh Nammi Base station and method for implementing an adaptive closed-loop mimo and open-loop mimo technique in a wireless communication system
US8644181B2 (en) * 2011-08-16 2014-02-04 Hong Kong Applied Science and Technology Research Institute Company Limited Method and apparatus for estimation of channel temporal correlation and MIMO mode selection in LTE system
EP2947786B1 (en) * 2012-04-11 2016-12-14 Huawei Technologies Co., Ltd. Method and apparatus for configuring transmission mode
CN104486041B (zh) * 2012-04-11 2018-06-05 华为技术有限公司 一种传输模式配置方法和装置
CN103378925B (zh) * 2012-04-18 2018-01-02 中兴通讯股份有限公司 基于传输时间间隔捆绑的数据传输方法和装置
US10153811B2 (en) * 2012-06-14 2018-12-11 Samsung Electronics Co., Ltd. Communication system with communication-layer maximization mechanism and method of operation thereof
US9036608B2 (en) * 2012-11-09 2015-05-19 Telefonaktiebolaget L M Ericsson (Publ) Adaptive transmission mode switching
WO2014078701A2 (en) * 2012-11-15 2014-05-22 Broadcom Corporation Precoding and scheduling for a cellular communication system using a large number of base station antennas
US9060287B2 (en) * 2013-03-11 2015-06-16 Rohde & Schwarz Gmbh & Co. Kg Measuring device and measurement method for non-intrusive throughput measurement in communication networks
US9762456B2 (en) 2015-03-17 2017-09-12 Telefonaktiebolaget Lm Ericsson (Publ) Access node, control node, and various methods for adapting a reporting period for a user equipment
KR102357905B1 (ko) * 2015-08-18 2022-02-03 삼성전자 주식회사 개루프 다중 입출력 기술을 이용해 신호를 송수신하는 방법 및 장치
EP3573385B1 (en) * 2017-03-09 2023-07-12 Huawei Technologies Co., Ltd. Wireless communication method, control device, node, and terminal device
WO2018232734A1 (en) * 2017-06-23 2018-12-27 Qualcomm Incorporated SIGNALING OF TRANSMISSION STRATEGY
CN110661557B (zh) * 2018-06-29 2021-08-24 中兴通讯股份有限公司 基于mumimo进行模式切换的方法、设备和存储介质
CN109150348B (zh) * 2018-08-28 2021-03-16 合肥工业大学 一种莱斯因子矩估计方法及无线信道莱斯因子矩实现系统

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6831943B1 (en) * 1999-08-13 2004-12-14 Texas Instruments Incorporated Code division multiple access wireless system with closed loop mode using ninety degree phase rotation and beamformer verification
KR100896682B1 (ko) 2002-04-09 2009-05-14 삼성전자주식회사 송/수신 다중 안테나를 포함하는 이동 통신 장치 및 방법
KR100899735B1 (ko) * 2002-07-03 2009-05-27 삼성전자주식회사 이동 통신 시스템에서 적응적 전송 안테나 다이버시티장치 및 방법
US8218609B2 (en) * 2002-10-25 2012-07-10 Qualcomm Incorporated Closed-loop rate control for a multi-channel communication system
SE0400370D0 (sv) * 2004-02-13 2004-02-13 Ericsson Telefon Ab L M Adaptive MIMO architecture
JP4433867B2 (ja) * 2004-04-28 2010-03-17 ソニー株式会社 無線通信システム
CN1805326A (zh) * 2005-01-11 2006-07-19 松下电器产业株式会社 多用户多输入多输出系统的跨层联合优化方法及装置
CN1829113A (zh) * 2005-03-04 2006-09-06 松下电器产业株式会社 一种信道自适应的多用户多输入多输出传输调度方法
CN1893308A (zh) * 2005-07-06 2007-01-10 都科摩（北京）通信技术研究中心有限公司 Mimo通信系统以及用户调度方法
US20080219369A1 (en) * 2007-03-09 2008-09-11 The Hong Kong University Of Science And Technology Robust rate, power and precoder adaptation for slow fading mimo channels with noisy limited feedback
US8320487B2 (en) 2007-06-26 2012-11-27 Broadcom Corporation Method and system for adaptation between different closed-loop, open-loop and hybrid techniques for multiple antenna systems
JP5155313B2 (ja) * 2007-07-18 2013-03-06 パナソニック株式会社 受信装置、送信装置及び適応伝送レート制御方法
US8098752B2 (en) * 2007-07-31 2012-01-17 Samsung Electronics Co., Ltd. Apparatus and method for supporting a plurality of MIMO modes in a wireless communication system
EP2182650B1 (en) * 2007-08-21 2014-12-17 Fujitsu Limited Mobile station and transmission diversity control method
WO2009031184A1 (ja) * 2007-09-06 2009-03-12 Fujitsu Limited 適応マルチアンテナを用いる移動体通信システム
KR101001015B1 (ko) * 2008-09-25 2010-12-14 한국전자통신연구원 다운링크 송신 모드를 적응적으로 결정하는 다중 안테나 무선 통신 시스템
KR101549004B1 (ko) * 2008-12-31 2015-09-11 엘지전자 주식회사 무선 통신 시스템에서 신호 전송 모드 결정 기법
CN101873159B (zh) 2009-04-21 2013-01-16 华为技术有限公司 一种多输入多输出下行传输控制方法及装置

Also Published As

Publication number Publication date
CN101873159A (zh) 2010-10-27
BRPI1014172A2 (pt) 2019-04-16
CN101873159B (zh) 2013-01-16
EP2416502B1 (en) 2014-06-11
WO2010121537A1 (zh) 2010-10-28
EP2416502A1 (en) 2012-02-08
US20120093016A1 (en) 2012-04-19
EP2416502A4 (en) 2012-04-18
US8611244B2 (en) 2013-12-17
BRPI1014172B1 (pt) 2021-02-23

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