JP2009164975A5 - - Google Patents

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Publication number
JP2009164975A5
JP2009164975A5 JP2008001665A JP2008001665A JP2009164975A5 JP 2009164975 A5 JP2009164975 A5 JP 2009164975A5 JP 2008001665 A JP2008001665 A JP 2008001665A JP 2008001665 A JP2008001665 A JP 2008001665A JP 2009164975 A5 JP2009164975 A5 JP 2009164975A5
Authority
JP
Japan
Prior art keywords
pmi
base station
signal
precoding matrix
receiving
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.)
Granted
Application number
JP2008001665A
Other languages
English (en)
Japanese (ja)
Other versions
JP2009164975A (ja
JP4652420B2 (ja
Filing date
Publication date
Application filed filed Critical
Priority claimed from JP2008001665A external-priority patent/JP4652420B2/ja
Priority to JP2008001665A priority Critical patent/JP4652420B2/ja
Priority to BRPI0822233-9A priority patent/BRPI0822233A2/pt
Priority to EP14183711.2A priority patent/EP2811661B1/en
Priority to US12/810,637 priority patent/US9130616B2/en
Priority to RU2010130429/07A priority patent/RU2010130429A/ru
Priority to PCT/JP2008/073774 priority patent/WO2009087933A1/ja
Priority to CA2707748A priority patent/CA2707748C/en
Priority to CN201310308676.2A priority patent/CN103354464B/zh
Priority to CN2008801239900A priority patent/CN101911562B/zh
Priority to KR1020107014157A priority patent/KR101525057B1/ko
Priority to EP08870210.5A priority patent/EP2234300B1/en
Publication of JP2009164975A publication Critical patent/JP2009164975A/ja
Publication of JP2009164975A5 publication Critical patent/JP2009164975A5/ja
Publication of JP4652420B2 publication Critical patent/JP4652420B2/ja
Application granted granted Critical
Priority to RU2012142555/07A priority patent/RU2521614C2/ru
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
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
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
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
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
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
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
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.
KR1020107014157A KR101525057B1 (ko) 2008-01-08 2008-12-26 Ｍｉｍｏ 방식의 이동체 통신시스템에 있어서의 가중계수 통지방법, 및 이 방법의 사용에 적합한 기지국 및 유저장치
EP14183711.2A EP2811661B1 (en) 2008-01-08 2008-12-26 Precoding in a MIMO communication system based on delayed PMI information
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 true JP2009164975A5 (cg-RX-API-DMAC7.html) 2010-09-16
JP4652420B2 JP4652420B2 (ja) 2011-03-16

Family

ID=40853055

Family Applications (1)

Application Number Title Priority Date Filing Date
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 (cg-RX-API-DMAC7.html)
EP (2) EP2811661B1 (cg-RX-API-DMAC7.html)
JP (1) JP4652420B2 (cg-RX-API-DMAC7.html)
KR (1) KR101525057B1 (cg-RX-API-DMAC7.html)
CN (2) CN101911562B (cg-RX-API-DMAC7.html)
BR (1) BRPI0822233A2 (cg-RX-API-DMAC7.html)
CA (1) CA2707748C (cg-RX-API-DMAC7.html)
RU (2) RU2010130429A (cg-RX-API-DMAC7.html)
WO (1) WO2009087933A1 (cg-RX-API-DMAC7.html)

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Publication number Priority date Publication date Assignee Title
KR101328790B1 (ko) 2008-10-20 2013-11-13 인터디지탈 패튼 홀딩스, 인크 반송파 집적 방법
CN102484869B (zh) * 2009-06-19 2015-09-16 交互数字专利控股公司 在lte-a中用信号发送上行链路控制信息
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
US8787484B2 (en) * 2010-06-18 2014-07-22 Nec Corporation Precoding techniques for downlink coordinated multipoint transmission in radio communications system
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
EP2709302A4 (en) 2011-05-10 2014-10-08 Nec Casio Mobile Comm Ltd MOBILE STATION, COMMUNICATION PROCESS AND COMPUTER PROGRAM
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)

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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
CN101689962B (zh) * 2007-04-20 2016-03-16 交互数字技术公司 用于mimo通信的有效的预编码信息验证的方法和设备
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

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