JP4652420B2 - ユーザ装置、送信方法、および移動通信システム - Google Patents

ユーザ装置、送信方法、および移動通信システム Download PDF

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Publication number
JP4652420B2
JP4652420B2 JP2008001665A JP2008001665A JP4652420B2 JP 4652420 B2 JP4652420 B2 JP 4652420B2 JP 2008001665 A JP2008001665 A JP 2008001665A JP 2008001665 A JP2008001665 A JP 2008001665A JP 4652420 B2 JP4652420 B2 JP 4652420B2
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Japan
Prior art keywords
pmi
base station
user apparatus
signal
unit
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JP2008001665A
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Japanese (ja)
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JP2009164975A (ja
JP2009164975A5 (enExample
Inventor
秀和 田岡
信彦 三木
健一 樋口
衛 佐和橋
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NTT Docomo Inc
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NTT Docomo Inc
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Publication date
Priority to JP2008001665A priority Critical patent/JP4652420B2/ja
Application filed by NTT Docomo Inc filed Critical NTT Docomo Inc
Priority to PCT/JP2008/073774 priority patent/WO2009087933A1/ja
Priority to EP08870210.5A priority patent/EP2234300B1/en
Priority to KR1020107014157A priority patent/KR101525057B1/ko
Priority to CN2008801239900A priority patent/CN101911562B/zh
Priority to CA2707748A priority patent/CA2707748C/en
Priority to BRPI0822233-9A priority patent/BRPI0822233A2/pt
Priority to US12/810,637 priority patent/US9130616B2/en
Priority to RU2010130429/07A priority patent/RU2010130429A/ru
Priority to EP14183711.2A priority patent/EP2811661B1/en
Priority to CN201310308676.2A priority patent/CN103354464B/zh
Publication of JP2009164975A publication Critical patent/JP2009164975A/ja
Publication of JP2009164975A5 publication Critical patent/JP2009164975A5/ja
Application granted granted Critical
Publication of JP4652420B2 publication Critical patent/JP4652420B2/ja
Priority to RU2012142555/07A priority patent/RU2521614C2/ru
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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
    • H04B7/06—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
    • 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)
JP2008001665A 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 Active JP4652420B2 (ja)

Priority Applications (12)

Application Number Priority Date Filing Date Title
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
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
KR1020107014157A KR101525057B1 (ko) 2008-01-08 2008-12-26 Ｍｉｍｏ 방식의 이동체 통신시스템에 있어서의 가중계수 통지방법, 및 이 방법의 사용에 적합한 기지국 및 유저장치
CN2008801239900A CN101911562B (zh) 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
CA2707748A CA2707748C (en) 2008-01-08 2008-12-26 Weighting factor reporting method in a mimo mobile communications system, and base station and user apparatus that are suitable for use in the method
BRPI0822233-9A BRPI0822233A2 (pt) 2008-01-08 2008-12-26 Método para reportar o fator de ponderação em um sistema de comunicações móveis mimo e estação base e aparelho do usuário que são adequados para o uso no método.
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
RU2010130429/07A RU2010130429A (ru) 2008-01-08 2008-12-26 Способ передачи коэффициента взвешивания в системе мобильной связи, использующей схему mimo, базовая станция и устройство пользователя, реализующие такой способ
EP14183711.2A EP2811661B1 (en) 2008-01-08 2008-12-26 Precoding in a MIMO communication system based on delayed PMI information
EP08870210.5A EP2234300B1 (en) 2008-01-08 2008-12-26 Reliable precoding in MIMO communications systems.
US12/810,637 US9130616B2 (en) 2008-01-08 2008-12-26 Weighting factor reporting method in a mimo mobile communications system, and base station and user apparatus that are suitable for use in the method
RU2012142555/07A RU2521614C2 (ru) 2008-01-08 2012-10-08 Устройство пользователя (варианты), базовая станция (варианты), система связи и способ связи (варианты)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2010279853A Division JP4800438B2 (ja) 2010-12-15 2010-12-15 基地局装置および通信方法

Publications (3)

Publication Number Publication Date
JP2009164975A JP2009164975A (ja) 2009-07-23
JP2009164975A5 JP2009164975A5 (enExample) 2010-09-16
JP4652420B2 true JP4652420B2 (ja) 2011-03-16

Family

ID=40853055

Family Applications (1)

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JP2008001665A Active 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

Country Status (9)

Country Link
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)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
WO2007113923A1 (ja) 2006-04-06 2007-10-11 Hitachi Communication Technologies, Ltd. 無線通信システム、無線基地局装置及び無線端末装置
US8498639B2 (en) * 2007-02-09 2013-07-30 Qualcomm Incorporated Flexible channel quality indicator reporting
TW200901655A (en) * 2007-03-21 2009-01-01 Interdigital Tech Corp Method and apparatus for communicating precoding or beamforming information to users in MIMO wireless communication systems
US8290079B2 (en) * 2007-04-19 2012-10-16 Interdigital Technology Corporation Method and apparatus for precoding validation in wireless communications
KR20090130206A (ko) * 2007-04-20 2009-12-18 인터디지탈 테크날러지 코포레이션 Ｍｉｍｏ 통신에 대한 효과적인 프리코딩 정보 검증을 위한 방법 및 장치
US20080305745A1 (en) * 2007-06-05 2008-12-11 Interdigital Technology Corporation Method and apparatus for supporting uplink transmission of channel quality and coding information in a wireless communication system
US8325852B2 (en) * 2007-06-08 2012-12-04 Samsung Electronics Co., Ltd. CDD precoding for open loop SU MIMO
JP4729537B2 (ja) * 2007-06-19 2011-07-20 株式会社エヌ・ティ・ティ・ドコモ 基地局装置および送信方法
US8630184B2 (en) * 2007-08-15 2014-01-14 Qualcomm Incorporated Uplink control channel format
KR101476202B1 (ko) * 2008-01-08 2014-12-24 엘지전자 주식회사 주기적/비주기적 채널상태정보 송수신 방법
CN101217304B (zh) * 2008-01-10 2013-01-30 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

Also Published As

Publication number Publication date
CN103354464B (zh) 2016-12-28
US20110013719A1 (en) 2011-01-20
CA2707748C (en) 2016-04-12
US9130616B2 (en) 2015-09-08
EP2811661B1 (en) 2016-07-20
EP2811661A1 (en) 2014-12-10
CN101911562B (zh) 2013-08-21
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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