WO2024001927A1 - Procédé et appareil de configuration de précodage, et support de stockage - Google Patents

Procédé et appareil de configuration de précodage, et support de stockage Download PDF

Info

Publication number
WO2024001927A1
WO2024001927A1 PCT/CN2023/102022 CN2023102022W WO2024001927A1 WO 2024001927 A1 WO2024001927 A1 WO 2024001927A1 CN 2023102022 W CN2023102022 W CN 2023102022W WO 2024001927 A1 WO2024001927 A1 WO 2024001927A1
Authority
WO
WIPO (PCT)
Prior art keywords
precoding
information
channel
target
state information
Prior art date
Application number
PCT/CN2023/102022
Other languages
English (en)
Chinese (zh)
Inventor
杨晨光
魏继东
Original Assignee
中兴通讯股份有限公司
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 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Publication of WO2024001927A1 publication Critical patent/WO2024001927A1/fr

Links

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
    • H04B7/0413—MIMO systems
    • H04B7/0426—Power distribution
    • H04B7/043—Power distribution using best eigenmode, e.g. beam forming or beam steering
    • 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
    • H04B7/0426—Power distribution
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0028—Formatting
    • H04L1/0031—Multiple signaling transmission
    • 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
    • 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
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows

Definitions

  • the present disclosure relates to the field of communication technology, and in particular to a precoding configuration method, device and storage medium.
  • the present disclosure provides a precoding configuration method, device and storage medium, which improves the transmission rate and transmission quality by obtaining the optimal codebook combination under the MTRP architecture and performing beamforming of the transmitter based on the optimal codebook combination.
  • the present disclosure provides a precoding configuration method, which includes: acquiring channel state information reference signals sent by different transmitters; acquiring joint channel information based on all the channel state information reference signals; and determining multiple channels based on the joint channel information.
  • target precoding information wherein the plurality of target precoding information makes the channel index value of the joint channel information satisfy the preset index value; each of the target precoding information is sent to the corresponding transmitter, so that Each transmitter performs precoding configuration according to the corresponding target precoding information.
  • the present disclosure provides a precoding configuration device, which device includes at least one processor; at least one memory for storing at least one program; and is implemented when at least one of the programs is executed by at least one of the processors.
  • the precoding configuration method as described in the first aspect.
  • the present disclosure provides a computer-readable storage medium storing computer-executable instructions for executing the precoding configuration method as described in the first aspect.
  • Figure 2 is a flow chart of a precoding configuration method according to an embodiment of the present disclosure
  • Figure 4 is a schematic diagram of target precoding information transmission according to an embodiment of the present disclosure.
  • Figure 5 is a schematic diagram of target precoding information transmission according to an embodiment of the present disclosure.
  • PMI-based beamforming technology is one of the key technologies of MTRP.
  • the main process is: the cell sends the channel state information reference signal CSIRS to the user equipment UE.
  • the user equipment UE measures the channel state after receiving the CSIRS signal to obtain the channel state information.
  • CSI the user equipment UE reports the measurement results of the channel state information CSI to the cell according to the configuration.
  • the channel state information CSI includes the rank indicator (Rank Indicator, RI), the precoding matrix indicator PMI, and the channel quality indicator (Channel Quality Indicator, CQI) Wait, the cell receives the precoding matrix indicators PMI and RI reported by the user equipment UE, generates a codebook and calculates the weight matrix, and finally performs beamforming based on the weight matrix.
  • MTRP mode involves joint transmission and reception of multiple transmission points. Assume that there are two cells participating in MTRP transmission: cell0 and cell1, and one UE: UE0. The channel between cell0 and UE0 is represented as H0, and the channel between cell1 and UE0 can be represented as H1.
  • the existing PMI-based downlink transmitter beamforming solution processing process is as follows: the two cells are configured with different CSIRS signals, namely CSIRS0 and CSIRS1, and UE0 receives two CSIRS reference signals based on CSIRS0 and CSIRS1.
  • CSIRS1 independently calculates two The corresponding codebook information is obtained once and fed back to the corresponding cell, and then the two cells select beams according to the PMI obtained respectively to complete the beamforming process.
  • UE0 calculates twice respectively based on the CSIRS0 and CSIRS1 received from the two cells to obtain the codebook W0 corresponding to PMI0 and the codebook W1 corresponding to PMI1.
  • the channel index value during codebook calculation is the value that maximizes the channel capacity
  • channel estimation is performed based on the reference signal CSIRS0 passing through the channel H0.
  • W0 in all codebook sets maximizes the capacity of the channel H0' Maximize; perform channel estimation based on the reference signal CSIRS1 passing through channel H1.
  • W1 in all codebook sets maximizes the capacity of channel H1'.
  • channels H0 and H1 can be regarded as a joint channel ⁇ H0, H1 ⁇ . Since there is a connection between channels H0 and H1, if you only consider maximizing the channel capacity of a single channel H0 or H1 when selecting a codebook, it cannot guarantee that the channel capacity of the joint channel ⁇ H0, H1 ⁇ is maximized.
  • the present disclosure provides a precoding configuration method, device and storage medium, so that after receiving the channel state information reference signals sent by different transmitters, the terminal can separately perform channel estimation to obtain an estimation matrix, and then combine the multiple estimation matrices Comprehensive utilization, the channel capacity is calculated based on the joint channel, multiple target precoding information is determined in all precoding information, so that the joint channel corresponding to the multiple target precoding information can meet the preset index value, and finally these target precoding information is The coding information is sent to the corresponding transmitter to complete the precoding configuration. It can improve the beamforming effect while ensuring resource utilization, thereby improving the transmission rate and transmission quality.
  • GSM Global System of Mobile communication
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • LIE-A Advanced long term evolution, Advanced Long Term Evolution
  • Universal Mobile Communications System Universal Mobile Communications System
  • the present disclosure can be applied to various terminals.
  • the terminal can also be called terminal equipment or user equipment UE.
  • the terminal can be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer), or a notebook computer or a personal digital computer.
  • Assistant Personal Digital Assistant, PDA
  • handheld computer netbook, ultra-mobile personal computer (UMPC), mobile Internet device (Mobile Internet Device, MID), wearable device (Wearable Device) or vehicle-mounted device (VUE), pedestrian terminal (PUE) and other terminal-side devices, wearable devices include: bracelets, headphones, glasses, etc. It should be noted that this disclosure does not limit the specific type of terminal.
  • Figure 2 is a flowchart of a precoding configuration method according to an embodiment of the present disclosure.
  • the precoding configuration method at least includes but is not limited to step S1000 to step S4000.
  • step S1000 channel state information reference signals sent by multiple transmitters are obtained.
  • the user equipment UE obtains the channel state information reference signals CSIRS sent by two or more different transmitters. These transmitters may be from different cells or from the same cell.
  • the channel state information reference signal CSIRS is generally used to measure the rank indicator RI, the precoding matrix indicator PMI, and the channel quality indicator CQI.
  • the transmitter performs information mapping on the resources of the channel state information reference signal CSIRS at the corresponding resource location to obtain a time domain reference signal.
  • the user equipment UE converts the time domain reference signal into a frequency domain reference signal.
  • the resource location of the state information reference signal CSIRS extracts information from the frequency domain reference signal to obtain the channel state information reference signal CSIRS.
  • step S2000 obtain joint channel information based on all channel state information reference signals.
  • the user equipment UE performs channel estimation based on each received channel state information reference signal CSIRS, obtains channel information corresponding to each channel state information reference signal CSIRS, and then obtains the joint channel based on all channel information. information.
  • the user equipment UE performs channel estimation based on each received channel state information reference signal CSIRS to obtain multiple channel estimation values.
  • the number of the multiple channel estimation values corresponds to the number of transmitters.
  • estimated values are generally involved in calculations in the form of estimation matrices. Therefore, by combining multiple estimation matrices, a joint channel information.
  • the target precoding information corresponding to each estimation matrix is calculated separately based on the obtained estimation matrix.
  • the estimation matrices are first combined to obtain the joint channel information, and then the joint channel information is obtained based on the joint channel information.
  • Information calculation target precoding information is first combined to obtain the joint channel information, and then the joint channel information is obtained based on the joint channel information.
  • channel estimation is performed twice on the UE side, the channel estimation results corresponding to the two CSIRSs can be completely saved and read directly when calculating the joint channel, which can improve processing efficiency. It can be understood that as long as two channel estimation results can be obtained when calculating the joint channel, the present disclosure does not limit the actual processing process.
  • step S3000 multiple target precoding information is determined according to the joint channel information, where the multiple target precoding information makes the channel index value of the joint channel information satisfy the preset index value.
  • the channel index value used to measure channel performance is calculated based on the joint channel information, and the target precoding information that makes the channel index value satisfy the preset index value among multiple target precoding information is selected as the final target precoding information. Coding information, the selected target precoding information does not need to optimize the channel index value of the joint channel, but only needs to satisfy the preset index value.
  • the channel indicator value can be determined from channel capacity, delay, delay jitter,
  • the selected dimension can be selected from multiple dimensions such as transmission bandwidth.
  • the selected dimension can be a single dimension or multiple dimensions, and can measure channel performance. This disclosure is not limited here.
  • MTRP architectures may correspond to different target precoding information representation forms, which will be explained in detail in the examples below.
  • the target precoding information appears in the form of a target precoding combination, that is, the target precoding combination includes target precoding information corresponding to some or all transmitters.
  • the target precoding information can be sent independently.
  • the UE uniformly sends the target precoding information to some transmitters, and then forwards the target precoding information after being processed by the partial transmitters, the UE can select a target precoding combination for transmission.
  • multiple target precoding information constitute a target precoding combination.
  • Figure 3 is a schematic diagram of a target precoding combination determination process according to an embodiment of the present disclosure. As shown in the figure, the process includes at least step S3100, step S3200 and step S3300.
  • step S3100 at least one precoding combination is selected from a preset precoding set to obtain a set of candidate precoding combinations, where the candidate precoding combinations include candidate precoding information corresponding to each transmitter.
  • the preset precoding set may be a precoding set obtained by the user equipment UE from other network devices in advance, or may be a precoding set generated by the user equipment UE itself.
  • all precoding combinations are traversed in the preset precoding set, then the set of candidate precoding combinations is the same as the preset precoding set.
  • the preset precoding set is initially screened once to remove those precoding combinations that obviously do not meet the conditions, and then the remaining precoding combinations form a set of candidate precoding combinations.
  • This method of first screening and then calculating can improve the search speed of target precoding combinations, thereby improving the configuration efficiency of target precoding.
  • multiple target precoding information constitutes a target precoding combination, and at least one target precoding combination forms a set of target precoding combinations.
  • the UE When selecting the target precoding information, the UE first selects the appropriate target precoding combination from the set of target precoding combinations, and then directly transmits the target precoding combination or transmits the target precoding combination separately according to actual needs. target precoding information.
  • step S3200 multiple candidate channel index values are calculated based on the joint channel information and all candidate precoding combinations in the set of candidate precoding combinations.
  • a candidate precoding can be calculated based on the preset indicator type. Calculation is performed by combining one or more corresponding channel indicators.
  • an indicator value is selected for calculation, for example, channel capacity is used as a preset indicator type.
  • the user equipment UE traverses each candidate precoding combination in the precoding set and calculates each candidate precoding combination according to the joint channel information. Channel capacity under coding combination.
  • each channel indicator type can be given a weight, and in actual calculation, the comprehensive indicator value of the candidate channel is calculated. At the same time, it is also possible to allow weight adjustments according to actual needs and provide customized comprehensive index calculation solutions.
  • the user equipment UE selects the candidate precoding combination that maximizes the channel capacity as the target precoding combination, and sends the target precoding combination to each transmitter respectively.
  • the user equipment UE calculates the comprehensive indicator value of each candidate channel according to the weight values corresponding to the channel capacity and delay, and will comprehensively The candidate precoding combination with the largest index value is used as the target precoding combination, and the target precoding combination is sent to each transmitter respectively.
  • each target precoding information is sent to the corresponding transmitter, so that each transmitter performs precoding configuration according to the corresponding target precoding information.
  • Figure 5 is a schematic diagram of target precoding information transmission according to an embodiment of the present disclosure.
  • the user terminal UE after determining the target precoding information of the two cell base stations, the user terminal UE sends both target precoding information including PMI 0 and PMI 1 information to the transmission point (main cell base station) 510.
  • the cell After receiving the PMI combination information reported by the UE, the cell extracts the target precoding information corresponding to the cell, and then sends the target precoding information corresponding to the transmission point (secondary cell base station) 520 in the target precoding information to the secondary cell, so that the secondary cell The cell can complete its precoding configuration.
  • the two cells configure different CSIRS resources respectively, perform CSIRS mapping on their respective resource locations and then convert them to the time domain for data transmission, corresponding to the channel state information reference signals CSIRS0 and CSIRS1 respectively.
  • the UE transforms the received time domain data into the frequency domain, extracts the frequency domain data according to the corresponding resource location, and then performs channel estimation to obtain the channel estimation results between the two cells and the UE.
  • the channel H dimension received by the UE is N*P
  • the codebook W dimension is P*L, where N represents the number of receiving antennas of the UE, and P represents the port configured by CSIRS.
  • the joint equivalent channel is:
  • the two cells configure different CSIRS resources respectively, perform CSIRS mapping on their respective resource locations and then convert them to the time domain for data transmission, corresponding to the channel state information reference signals CSIRS0 and CSIRS1 respectively.
  • the UE transforms the received time domain data into the frequency domain, extracts the frequency domain data according to the corresponding resource location, and then performs channel estimation.
  • the channel H dimension received by the UE is N*P
  • the codebook W dimension is P*L, where N represents the number of receiving antennas of the UE, and P represents the port configured by CSIRS.
  • the number of ports, L represents the number of layers.
  • the MTRP architecture sends data on different layers for two cells, that is, forming a super cell with twice the number of antennas and streams.
  • the channels between the two cells and the UE are H 0 and H 1 , and the joint channel can be expressed as:
  • the precoding configuration method provided in this example takes into account the interference existing between channels, introduces the concept of joint channels, and selects a codebook combination that maximizes the capacity of the joint channel, avoiding the possibility of interference to the other channel when each channel calculates the codebook separately. Control risks and improve system performance.
  • FIG. 6 is a schematic structural diagram of a precoding configuration device according to an embodiment of the present disclosure.
  • a precoding configuration device 600 includes: at least one processor 602; at least one memory 601 for storing at least one program; when at least one program is processed by at least one of the processors When 602 is executed, the above precoding configuration method is implemented.
  • the present disclosure also provides a computer-readable storage medium that stores computer-executable instructions for executing the precoding configuration method according to the embodiments of the present disclosure.
  • the present disclosure also provides a computer program product, which includes a computer program or computer instructions.
  • the computer program or computer instructions are stored in a computer-readable storage medium.
  • the processor of the computer device reads the computer program from the computer-readable storage medium or Computer instructions, the processor executes the computer program or computer instructions, so that the computer device executes the precoding configuration method according to the embodiment of the present disclosure.
  • the division between functional modules/modules mentioned in the above description does not necessarily correspond to the division of physical components; for example, one physical component may have multiple functions, or one function or step may consist of several physical components. Components execute cooperatively. Some or all of the physical components may be implemented as software executed by a processor, such as a central processing unit, a digital signal processor, or a microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit . Such software may be distributed on computer-readable media, which may include computer storage media (or non-transitory media) and communication media (or transitory media).
  • computer storage media includes volatile and non-volatile media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data. lossless, removable and non-removable media.
  • Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, Digital Versatile Disk (DVD) or other optical disk storage, magnetic cassettes, tapes, disk storage or other magnetic storage devices, or may Any other medium used to store the desired information and that can be accessed by a computer.
  • communication media typically embodies computer readable instructions, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism, and may include any information delivery media .
  • a component may be, but is not limited to, a process, processor, object, executable file, thread of execution, program or computer running on a processor.
  • applications running on the computing device and the computing device may be components.
  • One or more components can reside in a process or thread of execution, and the component can be localized on one computer or distributed between 2 or more computers. Additionally, these components can execute from various computer-readable media having various data structures stored thereon.
  • a component may, for example, be based on a signal having one or more data packets (eg, data from two components interacting with another component, such as a local system, a distributed system, or a network, such as the Internet, which interacts with other systems via signals) Communicate through local or remote processes.
  • data packets eg, data from two components interacting with another component, such as a local system, a distributed system, or a network, such as the Internet, which interacts with other systems via signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)

Abstract

La présente divulgation concerne un procédé et un appareil de configuration de précodage, et un support de stockage. Le procédé de configuration de précodage consiste à : acquérir des signaux de référence d'informations d'état de canal envoyés par une pluralité d'émetteurs ; acquérir des informations de canal commun selon tous les signaux de référence d'informations d'état de canal ; déterminer une pluralité d'éléments d'informations de précodage cibles en fonction des informations de canal commun, la pluralité d'éléments d'informations de précodage cibles permettant à une valeur d'indice de canal des informations de canal commun de satisfaire une valeur d'indice prédéfinie ; et envoyer chaque élément d'informations de précodage cible à l'émetteur correspondant, de telle sorte que chaque émetteur effectue une configuration de précodage selon les informations de précodage cibles correspondantes.
PCT/CN2023/102022 2022-06-29 2023-06-25 Procédé et appareil de configuration de précodage, et support de stockage WO2024001927A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202210752754.7A CN117394886A (zh) 2022-06-29 2022-06-29 预编码配置方法、装置及存储介质
CN202210752754.7 2022-06-29

Publications (1)

Publication Number Publication Date
WO2024001927A1 true WO2024001927A1 (fr) 2024-01-04

Family

ID=89383225

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2023/102022 WO2024001927A1 (fr) 2022-06-29 2023-06-25 Procédé et appareil de configuration de précodage, et support de stockage

Country Status (2)

Country Link
CN (1) CN117394886A (fr)
WO (1) WO2024001927A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110945793A (zh) * 2017-06-16 2020-03-31 瑞典爱立信有限公司 用于无线通信系统中的参考信号的信道状态信息
CN112088496A (zh) * 2018-05-11 2020-12-15 高通股份有限公司 针对新无线电中的多发送/接收点传输的信道状态信息反馈
CN113746573A (zh) * 2020-05-30 2021-12-03 华为技术有限公司 一种信道测量方法及装置
US20220109475A1 (en) * 2019-01-28 2022-04-07 QUALCOMM lncorporated Hybrid channel state feedback
WO2022123365A1 (fr) * 2020-12-07 2022-06-16 Lenovo (Singapore) Pte. Ltd. Rapport d'informations d'état de canal

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110945793A (zh) * 2017-06-16 2020-03-31 瑞典爱立信有限公司 用于无线通信系统中的参考信号的信道状态信息
CN112088496A (zh) * 2018-05-11 2020-12-15 高通股份有限公司 针对新无线电中的多发送/接收点传输的信道状态信息反馈
US20220109475A1 (en) * 2019-01-28 2022-04-07 QUALCOMM lncorporated Hybrid channel state feedback
CN113746573A (zh) * 2020-05-30 2021-12-03 华为技术有限公司 一种信道测量方法及装置
WO2022123365A1 (fr) * 2020-12-07 2022-06-16 Lenovo (Singapore) Pte. Ltd. Rapport d'informations d'état de canal

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ZTE: "CSI enhancements for Multi-TRP and FR1 FDD reciprocity", 3GPP DRAFT; R1-2100291, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG1, no. e-Meeting; 20210125 - 20210205, 19 January 2021 (2021-01-19), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP051970906 *

Also Published As

Publication number Publication date
CN117394886A (zh) 2024-01-12

Similar Documents

Publication Publication Date Title
US11522597B2 (en) Beam information feedback method and apparatus, and configuration information feedback method and apparatus
WO2018171727A1 (fr) Procédé pour transmettre des informations d'état de canal, dispositif terminal et dispositif de réseau
WO2019047979A1 (fr) Dispositif et procédé de communication
WO2018082641A1 (fr) Procédé et dispositif de transmission d'informations
CN111432479B (zh) 传输信道状态信息的方法和装置
JP2019528015A (ja) Ｎｅｗ ｒａｄｉｏのためのｃｓｉフィードバック設計
US11601835B2 (en) Beam detection method and apparatus
WO2017152785A1 (fr) Procédé de rétroaction d'informations d'état de canal (csi), procédé de précodage et appareil
CN111587542B (zh) 上报信道状态信息csi的方法和装置
WO2017152747A1 (fr) Procédé de renvoi de csi, procédé de précodage, et appareil
WO2018171604A1 (fr) Procédé et appareil de transmission d'informations
WO2019100905A1 (fr) Procédé de transmission de données, dispositif terminal et dispositif de réseau
JP2011512752A (ja) キャリア対生起干渉（ｃａｕｓｅｄｉｎｔｅｒｆｅｒｅｎｃｅ）に基づく分散ビームフォーミングのためのシステムおよび方法
US20220217567A1 (en) Channel measurement method and communications apparatus
WO2020253419A1 (fr) Procédé et dispositif de réalisation de formation de faisceaux
WO2019061260A1 (fr) Procédé de mesure, dispositif réseau et dispositif terminal
CN107404344B (zh) 通信方法、网络设备和终端设备
WO2019137445A1 (fr) Procédé et appareil de mesure d'informations d'état de canal
WO2020187166A1 (fr) Procédé et dispositif destinés à être utilisés pour acquérir une pondération de faisceau
WO2017076220A1 (fr) Procédé de renvoi d'informations d'état de canal (csi), terminal et station de base
CN110166091B (zh) 多用户配对方法、装置及基站
WO2017114513A1 (fr) Procédé et dispositif de rétroaction d'informations d'état de canal (csi)
CN112054824B (zh) 一种信道测量方法和通信装置
WO2024001927A1 (fr) Procédé et appareil de configuration de précodage, et support de stockage
WO2022116875A1 (fr) Procédé, appareil et dispositif de transmission, et support de stockage lisible

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 23830106

Country of ref document: EP

Kind code of ref document: A1