CN111937319A - 通信方法、通信装置和系统 - Google Patents

通信方法、通信装置和系统 Download PDF

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Publication number
CN111937319A
CN111937319A CN201880091575.5A CN201880091575A CN111937319A CN 111937319 A CN111937319 A CN 111937319A CN 201880091575 A CN201880091575 A CN 201880091575A CN 111937319 A CN111937319 A CN 111937319A
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China
Prior art keywords
antenna ports
antenna port
antenna
port combination
precoding matrix
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CN201880091575.5A
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CN111937319B (zh
Inventor
张瑞齐
高翔
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Publication of CN111937319A publication Critical patent/CN111937319A/zh
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Publication of CN111937319B publication Critical patent/CN111937319B/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
    • H04B7/0413—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
    • H04B7/0404—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas the mobile station comprising multiple antennas, e.g. to provide uplink diversity
    • 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
    • H04B7/0602—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 antenna switching
    • H04B7/0608—Antenna selection according to transmission parameters
    • H04B7/061—Antenna selection according to transmission parameters using feedback from receiving side
    • 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
    • H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0691—Hybrid systems, i.e. switching and simultaneous transmission using subgroups of transmit antennas
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference signals

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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

本申请提供了一种通信方法，在包括网络设备和终端设备的通信系统中执行，终端设备配置有N个天线端口，N为大于或等于2的整数，N个天线端口对应T个天线端口组合方式，每一个天线端口组合方式对应于N个天线端口中的M个天线端口，每个天线端口组合方式集合包括至少一个天线端口组合方式；网络设备从终端设备接收第一指示信息，第一指示信息用于指示第一天线端口组合方式集合，网络设备根据第一天线端口组合方式集合从N个天线端口中，确定K个天线端口；网络设备向终端设备发送第二指示信息，第二指示信息用于指示K个天线端口。本申请实施例的通信方法能够从终端设备的多个天线端口动态选择天线端口进行上行信号传输。本申请实施例提供的方法可以应用于通信系统，例如V2X、LTE‑V、V2V、车联网、MTC、IoT、LTE‑M，M2M，物联网等。

Description

PCT国内申请，说明书已公开。

Claims (34)

  1. PCT国内申请，权利要求书已公开。
CN201880091575.5A 2018-04-04 2018-04-04 通信方法、通信装置和系统 Active CN111937319B (zh)

Applications Claiming Priority (1)

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PCT/CN2018/082008 WO2019191970A1 (zh) 2018-04-04 2018-04-04 通信方法、通信装置和系统

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CN111937319A true CN111937319A (zh) 2020-11-13
CN111937319B CN111937319B (zh) 2022-04-26

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US (1) US11277176B2 (zh)
EP (1) EP3764562A4 (zh)
CN (1) CN111937319B (zh)
WO (1) WO2019191970A1 (zh)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110933003B (zh) * 2019-11-30 2021-09-14 上海大学 基于fpga的dmrs信号生成方法
CN113498112B (zh) * 2020-03-18 2023-12-01 大唐移动通信设备有限公司 一种数据处理的方法及装置
CN114844542A (zh) * 2021-01-30 2022-08-02 华为技术有限公司 天线选择方法、装置、电子设备及可读存储介质
CN117674922A (zh) * 2022-08-30 2024-03-08 华为技术有限公司 通信方法、装置、系统、存储介质及计算机程序产品

Citations (5)

* Cited by examiner, † Cited by third party
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CN102255705A (zh) * 2011-07-08 2011-11-23 电信科学技术研究院 一种上行预编码信息指示方法及装置
WO2014161145A1 (en) * 2013-04-02 2014-10-09 Panasonic Intellectual Property Corporation Of America Method of mapping csi-rs ports to antenna units, base station and user equipment
WO2017124967A1 (zh) * 2016-01-21 2017-07-27 株式会社Ntt都科摩 多天线传输方法、基站和用户终端
CN107302796A (zh) * 2016-03-31 2017-10-27 华为技术有限公司 一种数据传输方法、网络侧设备及终端设备
CN107733498A (zh) * 2016-08-11 2018-02-23 上海诺基亚贝尔股份有限公司 用于基于DMRS的TxD传输的端口映射的方法和网络设备

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CN101645722B (zh) * 2008-08-05 2013-03-20 中兴通讯股份有限公司 一种天线端口配置信息的检测系统及方法
CN103918193B (zh) * 2011-07-13 2016-11-09 华为技术有限公司 用于无线通信系统中的发射方法
US10361757B2 (en) * 2015-04-10 2019-07-23 Lg Electronics Inc. Method for reporting channel state information in wireless communication system and device therefor
WO2017039166A1 (ko) * 2015-09-01 2017-03-09 엘지전자 주식회사 채널 상태 보고 방법 및 이를 위한 장치

Patent Citations (5)

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CN102255705A (zh) * 2011-07-08 2011-11-23 电信科学技术研究院 一种上行预编码信息指示方法及装置
WO2014161145A1 (en) * 2013-04-02 2014-10-09 Panasonic Intellectual Property Corporation Of America Method of mapping csi-rs ports to antenna units, base station and user equipment
WO2017124967A1 (zh) * 2016-01-21 2017-07-27 株式会社Ntt都科摩 多天线传输方法、基站和用户终端
CN107302796A (zh) * 2016-03-31 2017-10-27 华为技术有限公司 一种数据传输方法、网络侧设备及终端设备
CN107733498A (zh) * 2016-08-11 2018-02-23 上海诺基亚贝尔股份有限公司 用于基于DMRS的TxD传输的端口映射的方法和网络设备

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Also Published As

Publication number Publication date
WO2019191970A1 (zh) 2019-10-10
EP3764562A4 (en) 2021-05-19
EP3764562A1 (en) 2021-01-13
CN111937319B (zh) 2022-04-26
US20210021309A1 (en) 2021-01-21
US11277176B2 (en) 2022-03-15

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