JP6643084B2 - 無線通信システムでチャネル状態情報送受信方法及び装置 - Google Patents

無線通信システムでチャネル状態情報送受信方法及び装置 Download PDF

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JP6643084B2
JP6643084B2 JP2015532968A JP2015532968A JP6643084B2 JP 6643084 B2 JP6643084 B2 JP 6643084B2 JP 2015532968 A JP2015532968 A JP 2015532968A JP 2015532968 A JP2015532968 A JP 2015532968A JP 6643084 B2 JP6643084 B2 JP 6643084B2
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csi
channel state
state information
terminal
cqi
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JP2015534365A5 (enExample
JP2015534365A (ja
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ヨンスン・キム
ヒョジン・イ
ヒョンジュ・ジ
ジュホ・イ
ジュンヨン・チョ
スンフン・チェ
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Samsung Electronics Co Ltd
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Samsung Electronics Co Ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413MIMO systems
    • H04B7/0417Feedback systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413MIMO systems
    • H04B7/0456Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H04B7/046Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account
    • H04B7/0469Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account taking special antenna structures, e.g. cross polarized antennas into account
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613Diversity 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
    • H04B7/0615Diversity 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
    • H04B7/0619Diversity 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
    • H04B7/0621Feedback content
    • H04B7/0626Channel coefficients, e.g. channel state information [CSI]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613Diversity 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
    • H04B7/0615Diversity 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
    • H04B7/0619Diversity 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
    • H04B7/0621Feedback content
    • H04B7/063Parameters other than those covered in groups H04B7/0623 - H04B7/0634, e.g. channel matrix rank or transmit mode selection
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613Diversity 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
    • H04B7/0615Diversity 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
    • H04B7/0619Diversity 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
    • H04B7/0621Feedback content
    • H04B7/0632Channel quality parameters, e.g. channel quality indicator [CQI]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613Diversity 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
    • H04B7/0615Diversity 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
    • H04B7/0619Diversity 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
    • H04B7/0636Feedback format
    • H04B7/0639Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam selection
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048Allocation of pilot signals, i.e. of signals known to the receiver
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/0091Signalling for the administration of the divided path, e.g. signalling of configuration information
    • H04L5/0094Indication of how sub-channels of the path are allocated

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
JP2015532968A 2012-09-20 2013-09-23 無線通信システムでチャネル状態情報送受信方法及び装置 Active JP6643084B2 (ja)

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KR20120104790 2012-09-20
KR10-2012-0104790 2012-09-20
KR10-2012-0105264 2012-09-21
KR1020120105264A KR101988285B1 (ko) 2012-09-20 2012-09-21 무선 통신 시스템에서 채널 상태 정보 송수신 방법 및 장치
PCT/KR2013/008479 WO2014046499A1 (en) 2012-09-20 2013-09-23 Method and apparatus for transmitting and receiving channel state information in a wireless communication system

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EP (3) EP2898605B1 (enExample)
JP (2) JP6643084B2 (enExample)
KR (1) KR101988285B1 (enExample)
CN (1) CN104662812B (enExample)
AU (1) AU2013318753B2 (enExample)
RU (1) RU2636057C2 (enExample)
WO (1) WO2014046499A1 (enExample)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100825560B1 (ko) * 2001-12-03 2008-04-25 주식회사 포스코 무방향성 전기강판의 제조방법
WO2013187669A1 (en) * 2012-06-11 2013-12-19 Samsung Electronics Co., Ltd. Channel state information transmission/reception method and apparatus for use in wireless communication system
KR101988285B1 (ko) 2012-09-20 2019-06-12 삼성전자 주식회사 무선 통신 시스템에서 채널 상태 정보 송수신 방법 및 장치
KR102087039B1 (ko) * 2013-01-18 2020-03-10 삼성전자 주식회사 이차원 평면 배열 안테나를 사용하는 무선 통신 시스템에서 채널 상태 정보 기준 신호 전송 및 하이브리드 공간분할 다중화와 공간분할 다중 접속 방법 및 장치
US9271279B2 (en) * 2013-05-09 2016-02-23 Sharp Laboratories Of America, Inc. Channel state measurement and reporting
CN104348592B (zh) * 2013-08-02 2019-03-15 夏普株式会社 配置csi过程的方法和基站以及csi反馈方法和用户设备
KR101852914B1 (ko) * 2013-11-22 2018-04-27 후아웨이 테크놀러지 컴퍼니 리미티드 채널 상태 정보의 피드백 방법 및 장치
US9667328B2 (en) * 2014-03-31 2017-05-30 Samsung Electronics Co., Ltd. Precoding matrix codebook design and periodic channel state information feedback for advanced wireless communication systems
KR102333392B1 (ko) * 2014-04-03 2021-12-01 삼성전자 주식회사 무선 통신 시스템에서 공간 다중화를 위한 방법 및 장치
US20150288499A1 (en) 2014-04-07 2015-10-08 Samsung Electronics Co., Ltd. Periodic and aperiodic channel state information reporting for advanced wireless communication systems
EP3140923A1 (en) * 2014-05-08 2017-03-15 Telefonaktiebolaget LM Ericsson (publ) Beam forming using a two-dimensional antenna arrangement
EP3143704B1 (en) * 2014-05-15 2019-06-19 LG Electronics Inc. Method and apparatus for calculating feedback information for 3d mimo in wireless communication system
KR102333401B1 (ko) * 2014-08-01 2021-11-30 엘지전자 주식회사 채널 상태 보고를 위한 방법 및 이를 위한 장치
KR102487525B1 (ko) * 2014-09-04 2023-01-12 삼성전자주식회사 무선 통신 시스템에서 피드백 정보 송신을 위한 장치 및 방법
CN105530075B (zh) * 2014-10-04 2019-05-17 上海朗帛通信技术有限公司 一种fd-mimo通信中的csi反馈方法和装置
JP2017228813A (ja) * 2014-11-06 2017-12-28 シャープ株式会社 基地局装置、端末装置および通信方法
KR102371961B1 (ko) * 2014-11-07 2022-03-08 한국전자통신연구원 레퍼런스 신호를 전송하는 방법 및 장치, 채널 상태 정보를 측정 및 보고하는 방법 및 장치, 그리고 이를 위한 설정 방법
WO2016074119A1 (en) * 2014-11-10 2016-05-19 Qualcomm Incorporated Elevation pmi reporting on pucch
US10003392B2 (en) 2015-03-20 2018-06-19 Lg Electronics Inc. Method for generating channel state information for three-dimensional MIMO in wireless communication system, and device therefor
WO2016153120A1 (ko) * 2015-03-24 2016-09-29 엘지전자 주식회사 무선 통신 시스템에서 csi 리포팅 타입에 기초하여 csi 정보를 피드백하는 방법 및 그 장치
CN106160821B (zh) * 2015-03-31 2019-11-19 电信科学技术研究院 一种信道状态信息反馈、获取方法及装置
CN106160934B (zh) * 2015-04-10 2019-08-02 中国移动通信集团公司 一种csi反馈方法、装置和相关设备
CN106160825B (zh) * 2015-04-20 2021-07-30 中兴通讯股份有限公司 信道信息的配置方法及装置、反馈方法及装置
CN106209194A (zh) * 2015-04-29 2016-12-07 北京信威通信技术股份有限公司 二维mimo系统的csi-rs传输方法
WO2016183737A1 (en) * 2015-05-15 2016-11-24 Qualcomm Incorporated Enhanced csi procedures for fd-mimo
CN106302269B (zh) * 2015-06-04 2020-06-23 电信科学技术研究院 一种信道状态信息的反馈及其控制方法及装置
WO2017000193A1 (zh) * 2015-06-30 2017-01-05 富士通株式会社 信道状态信息反馈、用户配对、数据传输方法、装置和系统
WO2017039166A1 (ko) * 2015-09-01 2017-03-09 엘지전자 주식회사 채널 상태 보고 방법 및 이를 위한 장치
CN106559121B (zh) 2015-09-25 2021-07-09 华为技术有限公司 一种多天线信道测量方法和装置
JP2019009484A (ja) * 2015-11-13 2019-01-17 シャープ株式会社 端末装置、基地局装置、通信方法、および、集積回路
WO2017128175A1 (en) 2016-01-28 2017-08-03 Qualcomm Incorporated Energy efficient csi measurement for fd-mimo
CN107231656A (zh) * 2016-03-24 2017-10-03 北京信威通信技术股份有限公司 信道状态信息的上报方法、装置和用户设备
KR20190007475A (ko) * 2016-05-13 2019-01-22 후아웨이 테크놀러지 컴퍼니 리미티드 채널 상태 정보 보고 방법, 채널 상태 정보 판독 방법, 및 관련 장치
US10771141B2 (en) * 2016-07-26 2020-09-08 Lg Electronics Inc. Method for channel state report in wireless communication system, and device therefor
GB2552953A (en) * 2016-08-12 2018-02-21 Nec Corp Communication system
US10778298B1 (en) 2019-03-29 2020-09-15 At&T Intellectual Property I, L.P. Context-based precoding matrix computations for radio access network for 5G or other next generation network
US12355530B2 (en) 2020-12-11 2025-07-08 Telefonaktiebolaget Lm Ericsson (Publ) Dual codebook configuration and CSI combining for large scale active antenna systems

Family Cites Families (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7194042B2 (en) 2004-01-13 2007-03-20 Qualcomm Incorporated Data transmission with spatial spreading in a mimo communication system
KR101476202B1 (ko) * 2008-01-08 2014-12-24 엘지전자 주식회사 주기적/비주기적 채널상태정보 송수신 방법
US7978623B1 (en) * 2008-03-22 2011-07-12 Freescale Semiconductor, Inc. Channel rank updates in multiple-input multiple-output communication systems
US8526384B2 (en) 2009-05-06 2013-09-03 Lg Electronics Inc. Method of transmitting and receiving channel state information feedback in a wireless communication system
CN102804895B (zh) * 2009-06-02 2017-04-12 太阳专利信托公司 终端装置和终端装置中的发送方法
US8804645B2 (en) * 2009-09-16 2014-08-12 Lg Electronics Inc. Apparatus and method for transmitting uplink control information
EP2515595A4 (en) 2009-12-17 2017-01-25 LG Electronics Inc. Method and apparatus for transmitting channel status information efficiently in a multi-carrier wireless communication system
CN102754458B (zh) * 2010-02-12 2015-09-16 黑莓有限公司 操作无线通信网络中的用户设备的方法、操作无线通信网络中的基站的方法、用户设备和基站
KR101498079B1 (ko) 2010-03-04 2015-03-03 엘지전자 주식회사 분산 안테나 시스템에서의 신호 송수신 장치
KR101253197B1 (ko) * 2010-03-26 2013-04-10 엘지전자 주식회사 참조신호 수신 방법 및 사용자기기, 참조신호 전송 방법 및 기지국
US8848817B2 (en) 2010-04-30 2014-09-30 Texas Instruments Incorporated Transmission modes and signaling for uplink MIMO support or single TB dual-layer transmission in LTE uplink
US8687555B2 (en) 2010-09-29 2014-04-01 Lg Electronics Inc. Method and apparatus for performing effective feedback in wireless communication system supporting multiple antennas
KR20120063586A (ko) 2010-12-08 2012-06-18 삼성전자주식회사 분산 안테나를 적용하는 이동 통신 시스템에서 채널상태 정보 송수신 방법 및 장치
US9252930B2 (en) * 2011-01-07 2016-02-02 Futurewei Technologies, Inc. Reference signal transmission and reception method and equipment
US9131405B2 (en) 2011-01-31 2015-09-08 Lg Electronics Inc. Method of transmitting and receiving channel status information on multi-cell operation in a wireless communication system and apparatus for the same
CN103380638B (zh) * 2011-02-09 2017-03-29 瑞典爱立信有限公司 无线小区中的点相关资源符号配置
CN107104777B (zh) 2011-02-09 2020-05-01 瑞典爱立信有限公司 分层的异构小区部署中的参考符号资源的有效率的使用
US9559820B2 (en) * 2011-02-18 2017-01-31 Qualcomm Incorporated Feedback reporting based on channel state information reference signal (CSI-RS) groups
US9673945B2 (en) * 2011-02-18 2017-06-06 Qualcomm Incorporated Implicitly linking aperiodic channel state information (A-CSI) reports to CSI-reference signal (CSI-RS) resources
US9735844B2 (en) * 2011-05-09 2017-08-15 Texas Instruments Incorporated Channel feedback for coordinated multi-point transmissions
EP2715958B1 (en) * 2011-05-27 2018-09-26 LG Electronics Inc. Method and apparatus for transmitting channel state information in multi-node system
US20140226582A1 (en) * 2011-07-19 2014-08-14 Erlin Zeng Method and Apparatus for Providing Channel State Information (CSI) Measurement and Reporting for a Segment Carrier
CN102291210B (zh) 2011-08-08 2017-12-01 中兴通讯股份有限公司 一种生成预编码矩阵的方法及装置
EP2747304A4 (en) * 2011-08-15 2015-02-18 Ntt Docomo Inc WIRELESS BASE STATION, USER DEVICE, WIRELESS COMMUNICATION SYSTEM AND WIRELESS COMMUNICATION PROCESS
CN102237969B (zh) 2011-08-16 2014-05-21 电信科学技术研究院 一种信道状态信息的传输方法及装置
US9379960B2 (en) * 2011-09-09 2016-06-28 Lg Electronics Inc. Method and apparatus for channel estimation in a distributed multi-node system
WO2013055120A1 (ko) * 2011-10-11 2013-04-18 엘지전자 주식회사 협력 멀티 포인트 통신 시스템에서 피드백 방법 및 장치
US9264120B2 (en) * 2011-11-09 2016-02-16 Telefonaktiebolaget L M Ericsson (Publ) CSI reporting for a set of CSI-RS resources
US20130286964A1 (en) * 2012-04-27 2013-10-31 Htc Corporation Method of Configuring CSI-RS for Coordinated Multiple Point Interference Measurement and Related Communication Device
US9225478B2 (en) * 2012-07-02 2015-12-29 Intel Corporation Supporting measurments and feedback for 3D MIMO with data transmission optimization
KR101988285B1 (ko) 2012-09-20 2019-06-12 삼성전자 주식회사 무선 통신 시스템에서 채널 상태 정보 송수신 방법 및 장치

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US20140079100A1 (en) 2014-03-20
KR20140038274A (ko) 2014-03-28
EP2898605A1 (en) 2015-07-29
CN104662812A (zh) 2015-05-27
AU2013318753A1 (en) 2015-02-12
EP3588796B1 (en) 2023-06-21
RU2015109710A (ru) 2016-10-10
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