WO2021147111A8 - 通信方法和通信装置 - Google Patents

通信方法和通信装置 Download PDF

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Publication number
WO2021147111A8
WO2021147111A8 PCT/CN2020/074038 CN2020074038W WO2021147111A8 WO 2021147111 A8 WO2021147111 A8 WO 2021147111A8 CN 2020074038 W CN2020074038 W CN 2020074038W WO 2021147111 A8 WO2021147111 A8 WO 2021147111A8
Authority
WO
WIPO (PCT)
Prior art keywords
reference signal
network device
antenna port
terminal device
communication
Prior art date
Application number
PCT/CN2020/074038
Other languages
English (en)
French (fr)
Other versions
WO2021147111A1 (zh
Inventor
张荻
薛丽霞
张旭
Original Assignee
华为技术有限公司
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 华为技术有限公司 filed Critical 华为技术有限公司
Priority to CN202080093319.7A priority Critical patent/CN115104263A/zh
Priority to EP20915382.4A priority patent/EP4089930A4/en
Priority to PCT/CN2020/074038 priority patent/WO2021147111A1/zh
Publication of WO2021147111A1 publication Critical patent/WO2021147111A1/zh
Priority to US17/869,208 priority patent/US20220393737A1/en
Publication of WO2021147111A8 publication Critical patent/WO2021147111A8/zh

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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
    • H04B7/06—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
    • 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
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0868—Hybrid systems, i.e. switching and combining
    • H04B7/0874—Hybrid systems, i.e. switching and combining using subgroups of receive antennas
    • 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
    • H04W24/08—Testing, supervising or monitoring using real traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/046—Wireless resource allocation based on the type of the allocated resource the resource being in the space domain, e.g. beams
    • 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
    • H04B7/046—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account
    • H04B7/0469—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account taking special antenna structures, e.g. cross polarized antennas into account
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

本申请提供了一种通信方法和通信装置，网络设备通过通知终端设备实际发送参考信号的天线端口，使得终端设备可以通过对实际发送参考信号的天线端口所发送的参考信号的测量，获得更准确的CSI。一些方法中，网络设备可以直接或间接激活与网络设备当前所使用的天线端口匹配的参考信号资源，或者，网络设备可以直接或间接向终端设备指示当前激活的参考信号资源或者之前配置的参考信号资源中，与网络设备当前所使用的天线端口匹配的参考信号资源，从而终端设备可以基于网络设备的指示，通过对真实发送参考信号的天线端口所发送的参考信号的测量，获得更准确的CSI。
PCT/CN2020/074038 2020-01-23 2020-01-23 通信方法和通信装置 WO2021147111A1 (zh)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN202080093319.7A CN115104263A (zh) 2020-01-23 2020-01-23 通信方法和通信装置
EP20915382.4A EP4089930A4 (en) 2020-01-23 2020-01-23 COMMUNICATION METHOD AND COMMUNICATION DEVICE
PCT/CN2020/074038 WO2021147111A1 (zh) 2020-01-23 2020-01-23 通信方法和通信装置
US17/869,208 US20220393737A1 (en) 2020-01-23 2022-07-20 Communication method and communication apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/074038 WO2021147111A1 (zh) 2020-01-23 2020-01-23 通信方法和通信装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US17/869,208 Continuation US20220393737A1 (en) 2020-01-23 2022-07-20 Communication method and communication apparatus

Publications (2)

Publication Number Publication Date
WO2021147111A1 WO2021147111A1 (zh) 2021-07-29
WO2021147111A8 true WO2021147111A8 (zh) 2022-08-25

Family

ID=76992022

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2020/074038 WO2021147111A1 (zh) 2020-01-23 2020-01-23 通信方法和通信装置

Country Status (4)

Country Link
US (1) US20220393737A1 (zh)
EP (1) EP4089930A4 (zh)
CN (1) CN115104263A (zh)
WO (1) WO2021147111A1 (zh)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220360402A1 (en) * 2021-03-31 2022-11-10 Apple Inc. Periodic Reference Signal Activation and Deactivation
CN116743283A (zh) * 2022-03-04 2023-09-12 华为技术有限公司 一种通信方法、装置及系统
WO2023185989A1 (en) * 2022-03-31 2023-10-05 Telefonaktiebolaget Lm Ericsson (Publ) Reference signal (rs) measurement and report adaptation
US20230318669A1 (en) * 2022-03-31 2023-10-05 Qualcomm Incorporated Resource aggregation for dynamic antenna port adaptation
WO2024031443A1 (zh) * 2022-08-10 2024-02-15 富士通株式会社 信息指示、信息接收装置以及方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107872266A (zh) * 2011-09-30 2018-04-03 华为技术有限公司 干扰测量指示方法和干扰测量方法及相关设备和通信系统
JP6108250B2 (ja) * 2013-04-03 2017-04-05 ▲ホア▼▲ウェイ▼技術有限公司Ｈｕａｗｅｉ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｃｏ．，Ｌｔｄ． チャネル状態情報を報告および受信する方法およびデバイス
KR102197451B1 (ko) * 2014-05-22 2020-12-31 퀄컴 인코포레이티드 Mimo에 대한 주기적인 및 비주기적인 채널 상태 정보(csi) 리포팅
KR102333401B1 (ko) * 2014-08-01 2021-11-30 엘지전자 주식회사 채널 상태 보고를 위한 방법 및 이를 위한 장치
CN105812034B (zh) * 2014-12-31 2019-04-12 中国电信股份有限公司 一种天线端口配置装置、基站及其方法
CN106470096B (zh) * 2015-08-14 2021-03-23 索尼公司 用于无线通信的基站侧和用户设备侧的装置及方法
EP3700254A4 (en) * 2017-10-20 2021-05-19 NTT DoCoMo, Inc. USER TERMINAL DEVICE AND WIRELESS COMMUNICATION PROCEDURE
WO2019157761A1 (en) * 2018-02-15 2019-08-22 Qualcomm Incorporated Techniques for activating semi-persistent configuration for channel state indicator resource sets

Also Published As

Publication number Publication date
CN115104263A (zh) 2022-09-23
US20220393737A1 (en) 2022-12-08
WO2021147111A1 (zh) 2021-07-29
EP4089930A1 (en) 2022-11-16
EP4089930A4 (en) 2023-01-11

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