RU2010130429A - Способ передачи коэффициента взвешивания в системе мобильной связи, использующей схему mimo, базовая станция и устройство пользователя, реализующие такой способ - Google Patents

Способ передачи коэффициента взвешивания в системе мобильной связи, использующей схему mimo, базовая станция и устройство пользователя, реализующие такой способ Download PDF

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Publication number
RU2010130429A
RU2010130429A RU2010130429/07A RU2010130429A RU2010130429A RU 2010130429 A RU2010130429 A RU 2010130429A RU 2010130429/07 A RU2010130429/07 A RU 2010130429/07A RU 2010130429 A RU2010130429 A RU 2010130429A RU 2010130429 A RU2010130429 A RU 2010130429A
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RU
Russia
Prior art keywords
indicator
precoding matrix
information
feedback
base station
Prior art date
Application number
RU2010130429/07A
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English (en)
Russian (ru)
Inventor
Хидекадзу ТАОКА (JP)
Хидекадзу ТАОКА
Нобухико МИКИ (JP)
Нобухико МИКИ
Кэнъити ХИГУТИ (JP)
Кэнъити ХИГУТИ
Мамору САВАХАСИ (JP)
Мамору САВАХАСИ
Original Assignee
НТТ ДоСоМо, Инк. (JP)
Нтт Досомо, Инк.
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 НТТ ДоСоМо, Инк. (JP), Нтт Досомо, Инк. filed Critical НТТ ДоСоМо, Инк. (JP)
Publication of RU2010130429A publication Critical patent/RU2010130429A/ru

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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
    • 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)
RU2010130429/07A 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 RU2010130429A (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008-001665 2008-01-08
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
RU2012142555/07A Division RU2521614C2 (ru) 2008-01-08 2012-10-08 Устройство пользователя (варианты), базовая станция (варианты), система связи и способ связи (варианты)

Publications (1)

Publication Number Publication Date
RU2010130429A true RU2010130429A (ru) 2012-02-20

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Family Applications (2)

Application Number Title Priority Date Filing Date
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
RU2012142555/07A RU2521614C2 (ru) 2008-01-08 2012-10-08 Устройство пользователя (варианты), базовая станция (варианты), система связи и способ связи (варианты)

Family Applications After (1)

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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)

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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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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
JP4652420B2 (ja) 2011-03-16
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
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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Effective date: 20130510