CN101911562B - 多输入多输出方式的移动体通信系统中的加权系数通知方法以及适合使用该方法的基站以及用户装置 - Google Patents

多输入多输出方式的移动体通信系统中的加权系数通知方法以及适合使用该方法的基站以及用户装置 Download PDF

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Publication number
CN101911562B
CN101911562B CN2008801239900A CN200880123990A CN101911562B CN 101911562 B CN101911562 B CN 101911562B CN 2008801239900 A CN2008801239900 A CN 2008801239900A CN 200880123990 A CN200880123990 A CN 200880123990A CN 101911562 B CN101911562 B CN 101911562B
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pmi
base station
user equipment
pmi information
information
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CN101911562A (zh
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田冈秀和
三木信彦
樋口健一
佐和桥卫
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NTT Docomo Inc
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NTT Docomo Inc
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    • 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
    • H04B7/0417—Feedback 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
    • H04B7/0413—MIMO systems
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • 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
    • H04B7/0615—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 weighted versions of same signal
    • H04B7/0619—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 weighted versions of same signal using feedback from receiving side
    • H04B7/0636—Feedback format
    • H04B7/0639—Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam selection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0204—Channel estimation of multiple channels
    • 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
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7097—Interference-related aspects
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/7097—Direct sequence modulation interference
    • H04B2201/709709—Methods of preventing interference

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Power Engineering (AREA)
  • Radio Transmission System (AREA)
CN2008801239900A 2008-01-08 2008-12-26 多输入多输出方式的移动体通信系统中的加权系数通知方法以及适合使用该方法的基站以及用户装置 Active CN101911562B (zh)

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CN201310308676.2A CN103354464B (zh) 2008-01-08 2008-12-26 用户装置、通信方法、移动通信系统及基站装置

Applications Claiming Priority (3)

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JP2008001665A JP4652420B2 (ja) 2008-01-08 2008-01-08 ユーザ装置、送信方法、および移動通信システム
JP001665/08 2008-01-08
PCT/JP2008/073774 WO2009087933A1 (ja) 2008-01-08 2008-12-26 Ｍｉｍｏ方式の移動体通信システムにおける重み係数通知方法、並びにこの方法の使用に好適な基地局およびユーザ装置

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CN101911562A CN101911562A (zh) 2010-12-08
CN101911562B true CN101911562B (zh) 2013-08-21

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CN201310308676.2A Active CN103354464B (zh) 2008-01-08 2008-12-26 用户装置、通信方法、移动通信系统及基站装置

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US (1) US9130616B2 (enExample)
EP (2) EP2234300B1 (enExample)
JP (1) JP4652420B2 (enExample)
KR (1) KR101525057B1 (enExample)
CN (2) CN101911562B (enExample)
BR (1) BRPI0822233A2 (enExample)
CA (1) CA2707748C (enExample)
RU (2) RU2010130429A (enExample)
WO (1) WO2009087933A1 (enExample)

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DK2351445T3 (en) 2008-10-20 2015-10-26 Interdigital Patent Holdings carrier Aggregation
WO2010148319A1 (en) * 2009-06-19 2010-12-23 Interdigital Patent Holdings, Inc. Signaling uplink control information in lte-a
CN102244566B (zh) * 2010-05-11 2014-03-12 中兴通讯股份有限公司 用于多输入多输出系统的下行传输方法和基站
JP5505676B2 (ja) * 2010-06-18 2014-05-28 日本電気株式会社 無線通信システムにおけるダウンリンク協調マルチポイント送信のためのプリコーディング技法
US8639198B2 (en) * 2010-06-30 2014-01-28 Samsung Electronics Co., Ltd. Systems and methods for 8-TX codebook and feedback signaling in 3GPP wireless networks
WO2012153658A1 (ja) 2011-05-10 2012-11-15 Ｎｅｃカシオモバイルコミュニケーションズ株式会社 移動局装置および通信方法、並びにコンピュータプログラム
JP5753022B2 (ja) * 2011-08-15 2015-07-22 株式会社Ｎｔｔドコモ 無線通信システム、無線基地局装置、ユーザ端末及び無線通信方法
US9735848B2 (en) 2012-10-18 2017-08-15 Kyocera Corporation Mobile communication system and communication control method
EP2938146A4 (en) 2012-12-19 2015-12-30 Fujitsu Ltd RADIO COMMUNICATION DEVICE AND RADIO COMMUNICATION METHOD
WO2017078338A1 (ko) 2015-11-03 2017-05-11 엘지전자 주식회사 무선 통신 시스템에서 채널 상태 보고 방법 및 이를 위한 장치
KR102473191B1 (ko) 2016-03-10 2022-12-02 삼성전자주식회사 안테나를 포함하는 전자 장치
US12126466B2 (en) * 2022-03-09 2024-10-22 Qualcomm Incorporated Channel state feedback using demodulation reference signals

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CN101217304A (zh) * 2008-01-10 2008-07-09 北京邮电大学 一种多子信道的多输入多输出预编码处理方法
WO2008150148A2 (en) * 2007-06-08 2008-12-11 Samsung Electronics Co., Ltd. Cdd precoding for open loop su mimo

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RU2369017C2 (ru) * 2003-02-18 2009-09-27 Квэлкомм Инкорпорейтед Команды мультиплексирования с кодовым разделением в мультиплексном канале с кодовым разделением
JP2006033306A (ja) * 2004-07-15 2006-02-02 Sony Corp 無線通信装置およびその制御方法
CN1941660A (zh) * 2005-09-30 2007-04-04 松下电器产业株式会社 多天线无线通信系统中的多用户分集方法及系统
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Also Published As

Publication number Publication date
CN103354464B (zh) 2016-12-28
US20110013719A1 (en) 2011-01-20
CA2707748C (en) 2016-04-12
JP4652420B2 (ja) 2011-03-16
US9130616B2 (en) 2015-09-08
EP2811661B1 (en) 2016-07-20
EP2811661A1 (en) 2014-12-10
CN101911562A (zh) 2010-12-08
RU2012142555A (ru) 2014-04-20
EP2234300A4 (en) 2014-07-09
EP2234300B1 (en) 2015-10-21
RU2521614C2 (ru) 2014-07-10
RU2010130429A (ru) 2012-02-20
BRPI0822233A2 (pt) 2015-06-23
CN103354464A (zh) 2013-10-16
KR20100097187A (ko) 2010-09-02
KR101525057B1 (ko) 2015-06-18
JP2009164975A (ja) 2009-07-23
EP2234300A1 (en) 2010-09-29
CA2707748A1 (en) 2009-07-16
WO2009087933A1 (ja) 2009-07-16

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