CN112585884A - 通信方法、装置、网络设备、终端设备及系统 - Google Patents

通信方法、装置、网络设备、终端设备及系统 Download PDF

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CN112585884A
CN112585884A CN201880096837.7A CN201880096837A CN112585884A CN 112585884 A CN112585884 A CN 112585884A CN 201880096837 A CN201880096837 A CN 201880096837A CN 112585884 A CN112585884 A CN 112585884A
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China
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reference signal
measurement information
subframe
measurement
network device
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CN201880096837.7A
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CN112585884B (zh
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高东培
陈凯
贺抗生
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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
    • H04B7/0413—MIMO systems
    • H04B7/0417—Feedback 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
    • H04B7/0413—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
    • H04B7/06—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
    • H04B7/0634—Antenna weights or vector/matrix coefficients
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding 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
    • H04L5/003—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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports

Abstract

本申请实施例提供一种通信方法、装置、网络设备、终端设备及系统，该方法包括：网络设备在第一天线对应的第一预设子帧上通过第一端口向终端设备发送第一参考信号，并且，在第二天线对应的第二预设子帧上通过第一端口向终端设备发送第二参考信号，进而，该网络设备接收上述终端设备发送的第一测量信息和第二测量信息，该第一测量信息为上述第一参考信号的测量信息，该第二测量信息为上述第二参考信号的测量信息。网络设备可以根据上述第一测量信息和上述第二测量信息确定天线权值。该方法可以避免终端设备对参考信号进行滤波所导致的网络设备的不同天线的信道无法区分的问题，保证网络设备可以获得较大的天线发射增益。

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。
CN201880096837.7A 2018-09-30 2018-09-30 通信方法、装置、网络设备、终端设备及系统 Active CN112585884B (zh)

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PCT/CN2018/109153 WO2020062265A1 (zh) 2018-09-30 2018-09-30 通信方法、装置、网络设备、终端设备及系统

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CN112585884A true CN112585884A (zh) 2021-03-30
CN112585884B CN112585884B (zh) 2022-06-14

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US (1) US11303328B2 (zh)
EP (1) EP3852280A4 (zh)
CN (1) CN112585884B (zh)
WO (1) WO2020062265A1 (zh)

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CN117376938A (zh) * 2022-06-30 2024-01-09 华为技术有限公司 一种天线管理的方法、设备及通信系统
CN117479209A (zh) * 2022-07-21 2024-01-30 华为技术有限公司 通信方法及装置

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US11303328B2 (en) 2022-04-12
WO2020062265A1 (zh) 2020-04-02
EP3852280A4 (en) 2021-12-01
EP3852280A1 (en) 2021-07-21
CN112585884B (zh) 2022-06-14
US20210218442A1 (en) 2021-07-15

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