CN107332600B - 一种信道状态信息反馈和接收方法、装置 - Google Patents

一种信道状态信息反馈和接收方法、装置 Download PDF

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Publication number
CN107332600B
CN107332600B CN201610282607.2A CN201610282607A CN107332600B CN 107332600 B CN107332600 B CN 107332600B CN 201610282607 A CN201610282607 A CN 201610282607A CN 107332600 B CN107332600 B CN 107332600B
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China
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precoding
time
units
forming
frequency resource
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Chinese (zh)
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CN107332600A (zh
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陈润华
陈文洪
高秋彬
李辉
拉盖施
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China Academy of Telecommunications Technology CATT
Datang Mobile Communications Equipment Co Ltd
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China Academy of Telecommunications Technology CATT
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Priority to CN201610282607.2A priority Critical patent/CN107332600B/zh
Priority to PCT/CN2017/081476 priority patent/WO2017186064A1/fr
Priority to TW106114041A priority patent/TWI644532B/zh
Publication of CN107332600A publication Critical patent/CN107332600A/zh
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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
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • 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
    • H04B7/0621—Feedback content
    • H04B7/0632—Channel quality parameters, e.g. channel quality indicator [CQI]
    • 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
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals
    • H04L5/0057—Physical resource allocation for CQI

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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)
CN201610282607.2A 2016-04-29 2016-04-29 一种信道状态信息反馈和接收方法、装置 Active CN107332600B (zh)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201610282607.2A CN107332600B (zh) 2016-04-29 2016-04-29 一种信道状态信息反馈和接收方法、装置
PCT/CN2017/081476 WO2017186064A1 (fr) 2016-04-29 2017-04-21 Procédé et appareil de rétroaction et de réception d'informations d'état de canal
TW106114041A TWI644532B (zh) 2016-04-29 2017-04-27 Channel state information feedback and receiving method and device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610282607.2A CN107332600B (zh) 2016-04-29 2016-04-29 一种信道状态信息反馈和接收方法、装置

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CN107332600A CN107332600A (zh) 2017-11-07
CN107332600B true CN107332600B (zh) 2020-03-24

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CN (1) CN107332600B (fr)
TW (1) TWI644532B (fr)
WO (1) WO2017186064A1 (fr)

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* Cited by examiner, † Cited by third party
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CN112910522B (zh) 2018-06-12 2024-03-01 华为技术有限公司 预编码矩阵的配置方法和装置
US20230181624A1 (en) * 2020-04-24 2023-06-15 Intact Therapeutics, Inc. Compositions and methods for treatment of gastrointestinal bleeding
CN111865380B (zh) * 2020-08-07 2021-07-27 成都爱瑞无线科技有限公司 一种利用参考信号进行pmi/ri/mcs选择和反馈的方法

Citations (4)

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CN101540631A (zh) * 2009-04-27 2009-09-23 中兴通讯股份有限公司 测量参考信号的多天线发送方法及装置
CN101998596A (zh) * 2009-08-17 2011-03-30 夏普株式会社 上行多输入多输出信道的功率控制方法
CN103117975A (zh) * 2007-08-20 2013-05-22 瑞登有限责任公司 补偿mu-mas通信及动态适应mu-mas通信系统的通信特性的系统
CN105207705A (zh) * 2014-06-23 2015-12-30 北京三星通信技术研究有限公司 有源天线系统中的参考信号收发方法及设备

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US8014455B2 (en) * 2006-03-27 2011-09-06 Qualcomm Incorporated Feedback of differentially encoded channel state information for multiple-input multiple-output (MIMO) and subband scheduling in a wireless communication system
US8073069B2 (en) * 2007-01-05 2011-12-06 Apple Inc. Multi-user MIMO-SDMA for finite rate feedback systems
KR101382760B1 (ko) * 2007-03-21 2014-04-08 엘지전자 주식회사 다중 안테나를 이용한 통신시스템에서 코드북을 이용한데이터 전송방법
CN101400074A (zh) * 2007-09-28 2009-04-01 夏普株式会社 减少预编码矩阵索引号反馈量的方法、用户设备及系统
CN102122977B (zh) * 2010-01-11 2013-12-04 电信科学技术研究院 反馈cqi信息及信道质量估计的方法、用户终端及基站
US20110317748A1 (en) * 2010-06-29 2011-12-29 Interdigital Patent Holdings, Inc. Demodulation reference signal based channel state information feedback in ofdm-mimo systems
EP2612448B1 (fr) * 2010-09-03 2016-08-24 Fujitsu Limited Renvoi de l'état de canal pour les systèmes mimo à plusieurs cellules
CN102684819B (zh) * 2011-03-15 2015-06-03 华为技术有限公司 一种数据传输方法及相关设备、系统
CN102307083A (zh) * 2011-08-12 2012-01-04 电信科学技术研究院 信道状态信息的非周期反馈及其调度方法、装置及系统
CN103634085B (zh) * 2012-08-27 2016-09-07 电信科学技术研究院 一种反馈和接收pmi的方法、系统及设备
CN103780332B (zh) * 2012-10-19 2017-03-29 电信科学技术研究院 传输编码指示信息和确定预编码矩阵的方法、系统及设备
US9537552B2 (en) * 2014-09-12 2017-01-03 Samsung Electronics Co., Ltd. Method and apparatus for channel state information based on antenna mapping and subsampling

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Publication number Priority date Publication date Assignee Title
CN103117975A (zh) * 2007-08-20 2013-05-22 瑞登有限责任公司 补偿mu-mas通信及动态适应mu-mas通信系统的通信特性的系统
CN101540631A (zh) * 2009-04-27 2009-09-23 中兴通讯股份有限公司 测量参考信号的多天线发送方法及装置
CN101998596A (zh) * 2009-08-17 2011-03-30 夏普株式会社 上行多输入多输出信道的功率控制方法
CN105207705A (zh) * 2014-06-23 2015-12-30 北京三星通信技术研究有限公司 有源天线系统中的参考信号收发方法及设备

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Publication number Publication date
TWI644532B (zh) 2018-12-11
TW201739198A (zh) 2017-11-01
WO2017186064A1 (fr) 2017-11-02
CN107332600A (zh) 2017-11-07

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Address after: 100191 No. 40, Haidian District, Beijing, Xueyuan Road

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