CN111587542A - 上报信道状态信息csi的方法和装置 - Google Patents

上报信道状态信息csi的方法和装置 Download PDF

Info

Publication number
CN111587542A
CN111587542A CN201980007743.2A CN201980007743A CN111587542A CN 111587542 A CN111587542 A CN 111587542A CN 201980007743 A CN201980007743 A CN 201980007743A CN 111587542 A CN111587542 A CN 111587542A
Authority
CN
China
Prior art keywords
time unit
pmi
communication device
reference time
csi
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
CN201980007743.2A
Other languages
English (en)
Other versions
CN111587542B (zh
Inventor
张瑞齐
李雪茹
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co Ltd
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 Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Publication of CN111587542A publication Critical patent/CN111587542A/zh
Application granted granted Critical
Publication of CN111587542B publication Critical patent/CN111587542B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H04B7/0486—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking channel rank into account
    • 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
    • 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
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H04B7/0478—Special codebook structures directed to feedback optimisation
    • 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
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • 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 signaling, i.e. of overhead other than pilot signals
    • H04L5/0057—Physical resource allocation for 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
    • H04B7/0621—Feedback content
    • H04B7/0632—Channel quality parameters, e.g. channel quality indicator [CQI]

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)

Abstract

本申请提供了一种上报信道状态信息CSI的方法和装置，该方法包括：第一通信装置从第二通信装置接收参考信号；所述第一通信装置根据所述参考信号进行信道测量，在标识为m的时间单元上向所述第二通信装置发送第一CSI，所述第一CSI用于表示第一参考时间单元和第二参考时间单元上的信道状态；其中，所述第一参考时间单元的标识为m‑n1，所述第二参考时间单元的标识为m‑n1‑n2，m、n1和n2为整数，且n2不等于零。本申请实施例的上报CSI的方法和装置，有利于提高网络设备所应用的CSI与当前时刻的信道的匹配度，进而提高数据传输性能。

Description

PCT国内申请，说明书已公开。

Claims (43)

  1. PCT国内申请，权利要求书已公开。
CN201980007743.2A 2018-01-31 2019-01-30 上报信道状态信息csi的方法和装置 Active CN111587542B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CNPCT/CN2018/074837 2018-01-31
PCT/CN2018/074837 WO2019148399A1 (zh) 2018-01-31 2018-01-31 上报信道状态信息csi的方法和装置
PCT/CN2019/073882 WO2019149216A1 (zh) 2018-01-31 2019-01-30 上报信道状态信息csi的方法和装置

Publications (2)

Publication Number Publication Date
CN111587542A true CN111587542A (zh) 2020-08-25
CN111587542B CN111587542B (zh) 2022-02-18

Family

ID=67479131

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201980007743.2A Active CN111587542B (zh) 2018-01-31 2019-01-30 上报信道状态信息csi的方法和装置

Country Status (4)

Country Link
US (1) US11290164B2 (zh)
EP (2) EP4250620A3 (zh)
CN (1) CN111587542B (zh)
WO (2) WO2019148399A1 (zh)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115022896A (zh) * 2021-03-05 2022-09-06 维沃移动通信有限公司 信息上报方法、装置、第一设备及第二设备
US20220360393A1 (en) * 2021-05-06 2022-11-10 Mediatek Inc. Csi reporting for channel part and interference part separately
WO2022236635A1 (zh) * 2021-05-10 2022-11-17 Oppo广东移动通信有限公司 信道状态信息的上报方法及装置、终端设备、网络设备
WO2023283782A1 (zh) * 2021-07-12 2023-01-19 北京小米移动软件有限公司 一种信道状态反馈的方法及其装置
WO2023133771A1 (zh) * 2022-01-13 2023-07-20 Oppo广东移动通信有限公司 一种信息传输方法及装置、终端设备、网络设备
WO2023184380A1 (en) * 2022-03-31 2023-10-05 Fujitsu Limited Method and apparatus for reporting and receiving channel state information
WO2023211143A1 (ko) * 2022-04-28 2023-11-02 엘지전자 주식회사 무선 통신 시스템에서 채널 상태 정보 송신 또는 수신 방법 및 장치

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070254597A1 (en) * 2006-05-01 2007-11-01 Qinghua Li Aggregated channel feedback
CN103905146A (zh) * 2012-12-28 2014-07-02 华为技术有限公司 信道状态信息上报的方法及用户设备
CN106302269A (zh) * 2015-06-04 2017-01-04 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
CN106941391A (zh) * 2016-01-04 2017-07-11 中兴通讯股份有限公司 信道状态信息csi上报的方法及装置
WO2017123018A1 (ko) * 2016-01-12 2017-07-20 엘지전자 주식회사 다중 안테나 무선 통신 시스템에서 채널 상태 정보 송수신 방법 및 이를 위한 장치
CN107210801A (zh) * 2015-02-05 2017-09-26 Lg 电子株式会社 无线通信系统中的csi反馈的方法及其装置
CN107534533A (zh) * 2015-05-22 2018-01-02 富士通株式会社 参考信号的资源配置方法、装置以及通信系统

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102056280B (zh) * 2009-10-30 2013-09-04 工业和信息化部电信传输研究所 一种tdd lte系统的基站调度方法和装置
WO2011054381A1 (en) * 2009-11-04 2011-05-12 Nokia Siemens Networks Oy Resolving channel state information outdating
KR101971079B1 (ko) * 2012-09-20 2019-08-13 삼성전자 주식회사 이동통신 시스템에서 피드백 송수신 방법 및 장치
CN112039566B (zh) * 2013-05-10 2022-07-29 华为技术有限公司 确定预编码矩阵指示的方法、用户设备和基站
CN106656280A (zh) * 2015-07-20 2017-05-10 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和设备
US10177826B2 (en) * 2015-12-28 2019-01-08 Qualcomm Incorporated Transmission of channel state information based on selected non-frequency domain components of channel responses
CN108496400B (zh) * 2016-01-07 2022-06-24 高通股份有限公司 用于fd-mimo的增强的csi反馈
CN108476051B (zh) * 2016-02-19 2022-03-25 苹果公司 第五代(5G)上行链路控制信息(xUCI)报告
US10644764B2 (en) * 2016-07-05 2020-05-05 Lg Electronics Inc. Method for updating hybrid CSI in multiple antenna communication system and device therefor
WO2018026230A1 (ko) * 2016-08-05 2018-02-08 엘지전자 주식회사 무선 통신 시스템에서 채널 상태 보고를 위한 방법 및 이를 위한 장치

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070254597A1 (en) * 2006-05-01 2007-11-01 Qinghua Li Aggregated channel feedback
CN103905146A (zh) * 2012-12-28 2014-07-02 华为技术有限公司 信道状态信息上报的方法及用户设备
CN107210801A (zh) * 2015-02-05 2017-09-26 Lg 电子株式会社 无线通信系统中的csi反馈的方法及其装置
CN107534533A (zh) * 2015-05-22 2018-01-02 富士通株式会社 参考信号的资源配置方法、装置以及通信系统
CN106302269A (zh) * 2015-06-04 2017-01-04 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
CN106941391A (zh) * 2016-01-04 2017-07-11 中兴通讯股份有限公司 信道状态信息csi上报的方法及装置
WO2017123018A1 (ko) * 2016-01-12 2017-07-20 엘지전자 주식회사 다중 안테나 무선 통신 시스템에서 채널 상태 정보 송수신 방법 및 이를 위한 장치

Also Published As

Publication number Publication date
EP3736997A4 (en) 2021-03-03
EP3736997B1 (en) 2023-06-28
EP4250620A2 (en) 2023-09-27
US11290164B2 (en) 2022-03-29
EP3736997A1 (en) 2020-11-11
CN111587542B (zh) 2022-02-18
US20200403668A1 (en) 2020-12-24
WO2019149216A1 (zh) 2019-08-08
EP4250620A3 (en) 2023-12-27
WO2019148399A1 (zh) 2019-08-08

Similar Documents

Publication Publication Date Title
CN111587542B (zh) 上报信道状态信息csi的方法和装置
CN108631847B (zh) 传输信道状态信息的方法、终端设备和网络设备
CN109863707B (zh) 数据传输方法、终端设备以及网络设备
RU2630378C2 (ru) Способ обратной связи по указателю матрицы предварительного кодирования, сторона приема и сторона передачи
CN109428641B (zh) 数据传输方法和装置
CN110034797B (zh) 一种预编码矩阵指示的反馈方法及装置
CN108809374B (zh) 数据传输方法、终端设备和网络设备
EP3547558B1 (en) Information feedback method, user equipment and network equipment
CN112470419B (zh) 上报信道状态信息的方法和装置
CN110266460B (zh) 资源指示方法、终端设备和网络设备
CN113302870B (zh) 上报信道状态信息的方法和装置
CN108631836B (zh) 数据传输方法和装置
US20230361842A1 (en) Improving precoding
CN112368968B (zh) 上报信道状态信息的方法和装置
CN108322243B (zh) 预编码矩阵指示的反馈方法、接收端和发射端
CN108012583A (zh) 传输信号的方法和设备
CN109391312B (zh) 数据传输方法和装置
CN109644363B (zh) 信道质量的测量和反馈方法和装置

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant