CN114128163A - 一种通信方法及装置 - Google Patents

一种通信方法及装置 Download PDF

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Publication number
CN114128163A
CN114128163A CN201980089948.XA CN201980089948A CN114128163A CN 114128163 A CN114128163 A CN 114128163A CN 201980089948 A CN201980089948 A CN 201980089948A CN 114128163 A CN114128163 A CN 114128163A
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parameter
reference signal
terminal device
downlink channel
processor
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CN201980089948.XA
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CN114128163B (zh
Inventor
苏立焱
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Huawei Technologies Co Ltd
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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
    • H04B7/06—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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • 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
    • H04B7/0417—Feedback systems
    • H04B7/0421—Feedback systems utilizing implicit feedback, e.g. steered pilot signals
    • 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
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex

Abstract

一种通信方法及装置，用以发送承载下行信道信息的参考信号。该方法包括：终端设备确定用于发送第一参考信号的第一参数，根据第一参数向网络设备发送第一参考信号，网络设备接收终端设备发送的第一参考信号，并根据接收到的第一参考信号确定下行信道信息。其中，第一参考信号用于承载下行信道信息。通过上述方法，终端设备先确定用于发送第一参考信号的第一参数，进而根据第一参数发送第一参考信号，提供一种发送第一参考信号的方法。

Description

PCT国内申请，说明书已公开。

Claims (28)

  1. PCT国内申请，权利要求书已公开。
CN201980089948.XA 2019-01-28 一种通信方法及装置 Active CN114128163B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2019/073376 WO2020154837A1 (zh) 2019-01-28 2019-01-28 一种通信方法及装置

Publications (2)

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CN114128163A true CN114128163A (zh) 2022-03-01
CN114128163B CN114128163B (zh) 2024-05-17

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110319068A1 (en) * 2010-06-29 2011-12-29 Samsung Electronics Co. Ltd. Method and apparatus for transmitting/receiving csi in cellular communication system supporting carrier aggregation
CN106953672A (zh) * 2016-01-07 2017-07-14 中兴通讯股份有限公司 一种多天线系统中信道信息反馈的方法及终端
CN107294585A (zh) * 2016-04-01 2017-10-24 中兴通讯股份有限公司 信道状态信息的反馈方法及装置
WO2018169375A1 (ko) * 2017-03-17 2018-09-20 엘지전자 주식회사 무선 통신 시스템에서 자원 번들링에 기반한 프리코더 적용 방법 및 이를 위한 장치

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110319068A1 (en) * 2010-06-29 2011-12-29 Samsung Electronics Co. Ltd. Method and apparatus for transmitting/receiving csi in cellular communication system supporting carrier aggregation
CN106953672A (zh) * 2016-01-07 2017-07-14 中兴通讯股份有限公司 一种多天线系统中信道信息反馈的方法及终端
CN107294585A (zh) * 2016-04-01 2017-10-24 中兴通讯股份有限公司 信道状态信息的反馈方法及装置
WO2018169375A1 (ko) * 2017-03-17 2018-09-20 엘지전자 주식회사 무선 통신 시스템에서 자원 번들링에 기반한 프리코더 적용 방법 및 이를 위한 장치

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Publication number Publication date
US20210360598A1 (en) 2021-11-18
EP3905544A4 (en) 2021-12-29
WO2020154837A1 (zh) 2020-08-06
EP3905544A1 (en) 2021-11-03

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