CN109417412A - 一种信道状态信息发送、接收方法及设备 - Google Patents

一种信道状态信息发送、接收方法及设备 Download PDF

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CN109417412A
CN109417412A CN201880000823.0A CN201880000823A CN109417412A CN 109417412 A CN109417412 A CN 109417412A CN 201880000823 A CN201880000823 A CN 201880000823A CN 109417412 A CN109417412 A CN 109417412A
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csi
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CN109417412B (zh
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张瑞齐
李雪茹
张荻
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Huawei Technologies Co Ltd
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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
    • H04B7/0413—MIMO systems
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • 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
    • H04B7/0413—MIMO 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
    • H04B7/0621—Feedback content
    • H04B7/0626—Channel coefficients, e.g. channel state information [CSI]
    • 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
    • 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
    • H04B7/06—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]

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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)
  • Radio Transmission System (AREA)

Abstract

一种信道状态信息发送、接收方法及设备，用以针对基于高精度码本的预编码矩阵的场景降低终端设备向网络设备反馈CSI所需的资源开销。该方法包括：终端设备确定预编码矩阵W；终端设备向网络设备发送包括CSI的信号；网络设备根据包括CSI的信号获取RI和指示信息；网络设备根据RI和指示信息获取PMI2；网络设备根据秩指示RI和第二预编码矩阵指示PMI2确定预编码矩阵W。

Description

PCT国内申请，说明书已公开。

Claims (1)

  1. PCT国内申请，权利要求书已公开。
CN201880000823.0A 2017-06-16 2018-04-20 一种信道状态信息发送、接收方法、设备及存储介质 Active CN109417412B (zh)

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CN201710459616.9A CN109150267B (zh) 2017-06-16 2017-06-16 一种信道状态信息发送、接收方法及设备
CN2017104596169 2017-06-16
PCT/CN2018/083967 WO2018228053A1 (zh) 2017-06-16 2018-04-20 一种信道状态信息发送、接收方法及设备

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AU (1) AU2018282807B2 (zh)
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CN109150267A (zh) * 2017-06-16 2019-01-04 华为技术有限公司 一种信道状态信息发送、接收方法及设备
CN112104396A (zh) * 2019-06-17 2020-12-18 华为技术有限公司 一种通信方法、网络设备、终端设备及存储介质
CN112260736A (zh) * 2020-10-09 2021-01-22 Oppo广东移动通信有限公司 一种确定方法、终端及计算机存储介质
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CN111316692B (zh) * 2017-11-17 2022-04-26 华为技术有限公司 信道状态信息的反馈方法、通信装置和***
CN111435851B (zh) * 2019-01-11 2021-06-15 大唐移动通信设备有限公司 一种信道状态信息发送及接收方法、终端设备和网络设备
CN111525988A (zh) * 2019-02-02 2020-08-11 华为技术有限公司 一种反馈方法及终端设备
CN111756417B (zh) * 2019-03-27 2021-05-11 电信科学技术研究院有限公司 一种信道状态信息反馈方法及装置
CN112236965B (zh) * 2019-04-30 2023-06-02 Oppo广东移动通信有限公司 通信方法、设备、装置和计算机可读存储介质
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CN115514398B (zh) * 2021-06-22 2024-05-17 大唐移动通信设备有限公司 信道状态信息发送方法、接收方法及装置
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CN109150267A (zh) * 2017-06-16 2019-01-04 华为技术有限公司 一种信道状态信息发送、接收方法及设备
CN109150267B (zh) * 2017-06-16 2023-12-08 华为技术有限公司 一种信道状态信息发送、接收方法及设备
CN112104396A (zh) * 2019-06-17 2020-12-18 华为技术有限公司 一种通信方法、网络设备、终端设备及存储介质
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US10778301B2 (en) 2020-09-15
KR102270126B1 (ko) 2021-06-25
US20190036581A1 (en) 2019-01-31
US20190181931A1 (en) 2019-06-13
CA3067273A1 (en) 2018-12-20
EP3435553B1 (en) 2020-07-15
EP3435553A1 (en) 2019-01-30
EP3787200A1 (en) 2021-03-03
PL3435553T3 (pl) 2020-12-14
AU2018282807A1 (en) 2020-01-16
ZA202000272B (en) 2021-10-27
AU2018282807B2 (en) 2020-07-23
CN108847875A (zh) 2018-11-20
CN108847875B (zh) 2019-10-22
US10511367B2 (en) 2019-12-17
US20200382183A1 (en) 2020-12-03
KR20200015941A (ko) 2020-02-13
JP6878627B2 (ja) 2021-05-26
WO2018228053A1 (zh) 2018-12-20
CN109150267B (zh) 2023-12-08
JP2020523926A (ja) 2020-08-06
US10270505B2 (en) 2019-04-23
EP3787200B1 (en) 2023-10-18
US20200119787A1 (en) 2020-04-16
CA3067273C (en) 2023-12-19
EP3435553A4 (en) 2019-06-12
CN109039406A (zh) 2018-12-18
BR112019026233A2 (pt) 2020-06-30
CN109039406B (zh) 2019-11-19
CN109150267A (zh) 2019-01-04
US11277178B2 (en) 2022-03-15
CN109417412B (zh) 2020-12-22

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