WO2021155659A1 - Procédé, dispositif et système pour déterminer un schéma de transmission de signal de référence de liaison montante - Google Patents

Procédé, dispositif et système pour déterminer un schéma de transmission de signal de référence de liaison montante Download PDF

Info

Publication number
WO2021155659A1
WO2021155659A1 PCT/CN2020/107877 CN2020107877W WO2021155659A1 WO 2021155659 A1 WO2021155659 A1 WO 2021155659A1 CN 2020107877 W CN2020107877 W CN 2020107877W WO 2021155659 A1 WO2021155659 A1 WO 2021155659A1
Authority
WO
WIPO (PCT)
Prior art keywords
cell
grid
grid area
transmission mode
reference signal
Prior art date
Application number
PCT/CN2020/107877
Other languages
English (en)
Chinese (zh)
Inventor
高精�
康怡彬
闫琦
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
Publication of WO2021155659A1 publication Critical patent/WO2021155659A1/fr

Links

Images

Classifications

    • 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
    • H04W72/0473—Wireless resource allocation based on the type of the allocated resource the resource being transmission power
    • 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
    • H04L25/0224—Channel estimation using sounding signals
    • 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

Definitions

  • This application relates to the field of communication technology, and in particular to a method, device and system for determining an uplink reference signal transmission mode.
  • TDD time division duplex
  • FDD frequency division duplex
  • the same frequency is used for uplink and downlink transmission
  • the uplink and downlink channels generally have reciprocity, that is, in a relatively short time, the channel fading experienced by the uplink and downlink transmission signals can be considered as The same, this is the reciprocity of the channels in the TDD system.
  • the network device can obtain the channel information of the downlink channel by measuring the sounding reference signal (SRS) sent by the terminal device, and the network device can determine the downlink multiple input signal based on the channel information of the downlink channel.
  • SRS sounding reference signal
  • Output multiple input multiple output, MIMO
  • the terminal equipment in the cell uses the SRS transmission mode configured by the network equipment to send the SRS.
  • the SRS transmission mode refers to a collection of specific SRS transmission modes, including SRS transmission period, SRS transmission power, and SRS transmission bandwidth.
  • the number and distribution of terminal devices in different cells are different. How to adjust the transmission mode of SRS according to the specific scenarios of different cells, so as to improve the accuracy of channel estimation by network devices based on SRS, is an urgent problem to be solved.
  • the embodiments of the present application provide a method, device, and system for determining an uplink reference signal transmission mode to solve the problem of how to configure the SRS transmission mode and improve the accuracy of channel estimation by network equipment based on the SRS.
  • an embodiment of the present application provides a method for determining an uplink reference signal transmission mode.
  • the method includes: acquiring a test data set of a cell, and determining a wireless channel state data set of the cell from the test data set, so The wireless channel state data set of the cell includes data corresponding to one or more of the following parameters: the path loss corresponding to the cell, the uplink reference signal transmission power corresponding to the cell, and the downlink single-antenna signal-to-interference noise corresponding to the cell SINR, the downlink average rank corresponding to the cell; determine the transmission mode of the uplink reference signal in the cell according to the wireless channel state data set, and the transmission mode includes one or more of the following: the uplink reference signal The transmission period of the uplink reference signal, the transmission power of the uplink reference signal, or the transmission bandwidth of the uplink reference signal.
  • the transmission mode of the uplink reference signal corresponding to the cell can be determined according to the wireless channel state data set in the test data set of the cell.
  • the transmission mode of the uplink reference signal of the cell is configured according to the wireless channel state data set of the cell, so that the network equipment can accurately perform channel estimation based on the uplink reference signal.
  • the determining the transmission mode of the uplink reference signal in the cell according to the wireless channel state data set specifically includes: determining a spectrum efficiency model according to the wireless channel state data set, wherein The spectrum efficiency model is a model in which one or more of the transmission period variable, the transmission power variable, and the transmission bandwidth variable are used as independent variables to determine the spectrum efficiency of the downlink channel of the cell; the spectrum efficiency model is used to determine the The transmission mode of the uplink reference signal in the cell.
  • the cell includes at least one grid area
  • the determining the transmission mode of the uplink reference signal in the cell according to the wireless channel state data set specifically includes: determining the grid-level wireless channel state of the at least one grid area according to the wireless channel state data set of the cell Data; the grid-level wireless channel state data includes data corresponding to one or more of the following parameters: the path loss corresponding to the grid area; the uplink reference signal transmission power corresponding to the grid area; the downlink single antenna corresponding to the grid area Signal-to-interference and noise ratio SINR; downlink average rank rank corresponding to the grid area; determining the grid-level spectral efficiency model of the at least one grid area according to the grid-level wireless channel state data of the at least one grid area, wherein, The grid-level spectral efficiency model is a model that takes one or more of the transmission period variable, the transmission power variable, and the transmission bandwidth variable as independent variables, and is used to determine the spectral efficiency of the downlink channel of the corresponding grid area; The grid-level spectral efficiency model of the at least one grid area determines the transmission
  • the first grid area is any grid area in the cell, and the grid area of the first grid area is The first-level spectrum efficiency model is determined according to one or more of the following: the downlink average rank rank corresponding to the first grid area, and the SINR of the physical downlink shared channel PDSCH corresponding to the first grid area.
  • the SINR of the PDSCH corresponding to the first grid area is determined according to one or more of the following: the number of downlink transmit physical ports in the cell, and the first grid area corresponds to The downlink single-antenna signal-to-noise ratio SINR, the channel estimation error corresponding to the first grid area, and the downlink channel single-antenna single-resource unit transmit power in the cell.
  • the determining the transmission mode of the uplink reference signal in the cell according to the grid-level spectral efficiency model of the at least one grid area includes: acquiring at least one pre-configured transmission mode, and The m-th pre-configured transmission mode is selected from the at least one pre-configured transmission mode; m is an integer greater than 0; wherein, each pre-configured transmission mode in the at least one pre-configured transmission mode includes one or more of the following: The period value corresponding to the transmission period variable; the power value corresponding to the transmission power variable; the bandwidth value corresponding to the transmission bandwidth variable;
  • the grid-level spectral efficiency model of a grid area is initialized, and the downlink channel of the cell is determined according to the initialized grid-level spectral efficiency model of the at least one grid area and the m-th pre-configured transmission mode.
  • the period value in the m-th pre-configured transmission mode is used as the transmission period of the uplink reference signal in the cell, and the The power value in the m-th pre-configured transmission mode is used as the transmission power of the uplink reference signal in the cell, and the bandwidth value in the m-th pre-configured transmission mode is used as the transmission bandwidth of the uplink reference signal in the cell.
  • the determining the spectral efficiency of the downlink channel of the cell according to the initialized grid-level spectral efficiency model of the at least one grid area and the m-th pre-configured transmission mode includes : For the first grid area in the cell, the first grid area is any grid area in the cell, and the grid is initialized according to the wireless channel state data of the first grid area The first-level spectrum efficiency model and the m-th pre-configured transmission mode determine the spectrum efficiency of the downlink channel of the first grid area; take the sum of the spectrum efficiency of the downlink channel of the at least one grid area in the cell as The spectrum efficiency of the downlink channel of the cell.
  • the preset iteration stop condition is: the spectrum efficiency of the downlink channel of the cell determined according to the m-th pre-configured transmission mode, and the m-th pre-configured transmission mode
  • the absolute value of the difference between the spectral efficiencies of the downlink channels of the cell determined by any previous pre-configured transmission mode is smaller than the threshold.
  • the method further includes: indicating the transmission mode to a terminal device in the cell.
  • the present application also provides a communication device that has any method provided in the first aspect.
  • the communication device can be implemented by hardware, or can be implemented by hardware executing corresponding software.
  • the hardware or software includes one or more units or units corresponding to the above-mentioned functions.
  • the communication device includes a processor configured to support the communication device to perform corresponding functions in the above-mentioned method.
  • the communication device may further include a memory, and the storage may be coupled with the processor, which stores program instructions and data necessary for the communication device.
  • the communication device further includes a communication interface, and the communication interface is used to support communication between the communication device and equipment such as network equipment.
  • the communication device includes corresponding functional units, which are respectively used to implement the steps in the above method.
  • the function can be realized by hardware, or the corresponding software can be executed by hardware.
  • the hardware or software includes one or more units corresponding to the above-mentioned functions.
  • the structure of the communication device includes a processing unit and a communication unit, and these units can perform corresponding functions in the foregoing method examples.
  • these units can perform corresponding functions in the foregoing method examples.
  • this application also provides a communication system, including: a network device for obtaining a test data set of a cell managed by the network device; sending the test data set to a network management device; and the network management device for The wireless channel state data set of the cell is determined from the test data set; the wireless channel state data set of the cell includes data corresponding to one or more of the following parameters: path loss corresponding to the cell, corresponding to the cell.
  • the transmission manner includes one or more of the following: a transmission period of the uplink reference signal, a transmission power of the uplink reference signal, or a transmission bandwidth of the uplink reference signal.
  • the communication system further includes a terminal device: the network management device is further configured to send the transmission mode to the network device; the network device is further configured to send the terminal device Indicates the transmission method.
  • the present application provides a communication device, the communication device includes a processor, and when the processor executes a computer program or instruction in a memory, the method as described in the first aspect is executed.
  • the present application provides a communication device, the communication device includes a processor and a memory, the memory is used to store computer programs or instructions; the processor is used to execute the computer programs or instructions stored in the memory, So that the communication device executes the corresponding method as shown in the first aspect.
  • the present application provides a communication device.
  • the communication device includes a processor, a memory, and a transceiver.
  • the transceiver is used to receive signals or send signals; and the memory is used to store computer programs or instructions;
  • the processor is configured to call the computer program or instruction from the memory to execute the method described in the first aspect.
  • the present application provides a communication device, the communication device includes a processor and an interface circuit, the interface circuit is configured to receive code instructions and transmit them to the processor; the processor runs the code instructions To perform the corresponding method as shown in the first aspect.
  • the present application provides a computer-readable storage medium for storing a computer program or instruction.
  • the computer reads and executes the computer program or instruction, the computer program or instruction described in the first aspect The method is implemented.
  • the present application provides a computer program product including instructions.
  • a computer reads and executes the computer program product, the method described in the first aspect is realized.
  • the present application provides a chip including a processor, the processor is coupled with a memory, and is configured to execute a computer program or instruction stored in the memory, and when the processor executes the computer program or instruction , So that the method described in the first aspect is realized.
  • FIG. 1 is a schematic diagram of a network architecture applicable to an embodiment of the present application
  • FIG. 2 is a schematic diagram of an uplink reference signal transmission manner according to an embodiment of the application
  • Figure 3 is a schematic diagram of a collection of test data provided by an embodiment of the application.
  • FIG. 4 is a schematic flowchart of a method for determining an uplink reference signal transmission mode provided by an embodiment of this application;
  • FIG. 5 is a schematic diagram of an association between a test data set and configuration data provided by an embodiment of this application;
  • FIG. 6 is a schematic diagram of grid area division according to an embodiment of this application.
  • FIG. 7 is a schematic structural diagram of a communication device provided by an embodiment of this application.
  • FIG. 8 is a schematic structural diagram of a communication device provided by an embodiment of this application.
  • FIG. 9 is a schematic structural diagram of a communication system provided by an embodiment of this application.
  • the embodiments of this application can be applied to mobile communication systems that use TDD for communication, such as: new radio (NR) system, long term evolution (LTE)-TDD system, advanced long term evolution (advanced long term)
  • NR new radio
  • LTE long term evolution
  • LTE-TDD long term evolution
  • advanced long term evolution advanced long term evolution
  • evolution evolution, LTE-A
  • eLTE evolved long term evolution
  • future communication systems etc.
  • the terminal device is a device with a wireless transceiving function or a chip that can be installed in the device.
  • terminal equipment may also be referred to as user equipment (UE), access terminal, user unit, user station, mobile station, remote station, remote terminal, mobile equipment, user terminal, user agent, or user device.
  • the terminal devices in the embodiments of this application may be mobile phones, tablets, computers with wireless transceiver functions, virtual reality (VR) terminals, augmented reality (augmented reality). , AR) terminals, wireless terminals in industrial control, wireless terminals in self-driving, wireless terminals in remote medical, wireless terminals in smart grid, Wireless terminals in transportation safety, wireless terminals in smart cities, and wireless terminals in smart homes.
  • the embodiments of this application do not limit the application scenarios.
  • the network device may be a wireless access device under various standards, for example, it may be a next-generation base station (next Generation node B, gNB) in an NR system, or a network node that constitutes a gNB, such as The DU of the gNB under the centralized unit-distributed (CU-DU) architecture; it can be an evolved Node B (eNB), a radio network controller (RNC) or a node B (Node B, NB), base station controller (BSC), base transceiver station (BTS), home base station (for example, home evolved NodeB, or home Node B, HNB), baseband unit ( baseband unit, BBU), access point (AP), wireless relay node, wireless backhaul node, transmission point (transmission and reception point, TRP or transmission point) in a wireless fidelity (WIFI) system , TP), etc., which will not be illustrated one by one here.
  • eNB evolved Node B
  • RNC radio network controller
  • Node B
  • FIG. 1 shows a schematic diagram of a communication system suitable for the communication method of the embodiment of the present application.
  • the communication system includes a network device 101 and a network device 102.
  • the network device 101 manages the cell 1 and the cell 2.
  • the network device 101 can communicate with terminal devices located in the coverage area of the cell 1 and the cell 2; the network device 102 manages the cell 3.
  • Cell 1, cell 2, and cell 3 all include at least one terminal device.
  • most terminal devices in cell 1 are mainly in a relatively static state and are located at the edge of cell 1; most terminal devices in cell 2 are mainly in a relatively static state and are located near the center of cell 2; Most of the terminal equipment in 3 is mainly in a mobile state.
  • the transmission mode of the uplink reference signal includes the transmission period of the uplink reference signal, the transmission power of the uplink reference signal, and the transmission bandwidth of the uplink reference signal. For details, refer to FIG. 2.
  • the transmission period is the time interval between two uplink reference signal transmissions, and the unit can be milliseconds (ms); the transmission power is the power used for each uplink reference signal transmission, and the unit can be decibel milliwatts (dBm); the transmission bandwidth is the uplink
  • the bandwidth occupied by the reference signal may be in megahertz (MHz), and the uplink reference signal may be transmitted on the full frequency band or on a part of the frequency band.
  • the terminal equipment uses the existing full frequency band to transmit the uplink reference signal, the power of the uplink reference signal on a single resource element (resource element, RE) is limited, resulting in a change in signal quality. Poor, the channel estimation result obtained by the network equipment is obviously inaccurate.
  • the channel corresponding to the terminal equipment in the cell 3 is a time-varying channel. For the time-varying channel, it is necessary to shorten the transmission period of the uplink reference signal as much as possible, so that the network equipment can complete the channel estimation more quickly. Therefore, if the transmission period of the line reference signal in cell 3 is too large, it will also lead to failure to obtain accurate channel estimation results.
  • the embodiments of the present application provide a method that can determine different transmission modes for different cells according to different scenarios of a cell, so as to improve the accuracy of channel estimation by a network device based on an uplink reference signal.
  • the word "exemplary” is used to mean serving as an example, illustration, or illustration. Any embodiment or design solution described as an "example” in this application should not be construed as being more preferable or advantageous than other embodiments or design solutions. Rather, the term example is used to present the concept in a concrete way.
  • the uplink reference signals sent by different terminal devices can be measured in the cell, or measurement reports (MR) reported by different terminal devices can be collected, so as to obtain the test data set of the cell.
  • the uplink reference signal may be an SRS or other types of reference signals, which is not limited in the embodiment of the present application.
  • the test data set may be a drive test (DT) data set, or may be a measurement report data set.
  • the network equipment can measure the uplink reference signal sent by the terminal equipment used by the user in the cell, thereby obtaining the test data set.
  • These terminal devices may be terminal devices used by actual users, or terminal devices used by users simulated by testers, which are not limited in the embodiment of the present application.
  • the network device after the network device obtains the test data set, it can determine the transmission mode of the uplink reference signal in the cell of the network device according to the test data set. Or, as shown in FIG. 3, the network device transmits the test data set to the network management device, and the network management device determines the transmission mode of the uplink reference signal. After the network management device determines the transmission mode of the uplink reference signal, it sends it to the network device.
  • the network management device may be any type of computer device, and the embodiment of the present application does not limit the specific type of the network management device.
  • test data set may include test data of multiple cells, and each test data includes data corresponding to various parameters.
  • each test data includes data corresponding to various parameters.
  • it may include but not limited to the following parameters:
  • Data collection time latitude and longitude coordinates of the network equipment; latitude and longitude coordinates of the terminal device that sends the uplink reference signal; physical-layer Cell identity (PCI) of the cell; reference signal receiving power of the uplink reference signal RSRP); cell frequency; downlink single antenna signal to interference plus noise ratio (SINR); uplink reference signal transmission power; downlink rank (rank); path loss; channel quality indicator (channel quality indicator, CQI); Uplink modulation and coding scheme (MCS); Downlink MCS.
  • PCI physical-layer Cell identity
  • SINR downlink single antenna signal to interference plus noise ratio
  • SINR downlink single antenna signal to interference plus noise ratio
  • uplink reference signal transmission power downlink rank (rank); path loss; channel quality indicator (channel quality indicator, CQI); Uplink modulation and coding scheme (MCS); Downlink MCS.
  • test data set The above are just examples, and other parameters can also be included in the test data set, which will not be illustrated one by one here.
  • test data set of the cell can be as shown in Table 1.
  • test data set includes multiple test data, each row represents one test data, and one test data includes data corresponding to multiple parameters. It should be noted that Table 1 is only an example, and each test data in Table 1 may also include data corresponding to other parameters, which will not be illustrated one by one here.
  • FIG. 4 is a schematic flowchart of a method for determining an uplink reference signal transmission mode provided in an embodiment of this application.
  • the execution subject in the process shown in FIG. 4 may be a network device or other types of computer devices, such as a network management device.
  • the network management device may send the determined transmission mode to the network device.
  • the method includes:
  • Step 401 Obtain a test data set of a cell, and determine a wireless channel state data set of the cell from the test data set.
  • a wireless channel state data set may be determined from the test data set, and the wireless channel state data set may be used to determine the transmission mode of the uplink reference signal.
  • the wireless channel state data set includes multiple wireless channel state data, and the data included in the wireless channel state data set is data corresponding to some parameters in the test data set, that is, the wireless channel state data set may be a subset of the test data set.
  • the wireless channel state data set may include, but is not limited to, data corresponding to one or more of the following parameters:
  • the wireless channel state data set may also include data corresponding to other parameters, which will not be illustrated one by one here.
  • the transmission mode of the uplink reference signal currently configured in the cell can also be obtained.
  • the transmission mode of the uplink reference signal currently configured in the cell may be determined through the configuration data of the cell.
  • the configuration data of the cell includes but is not limited to information such as the transmission mode of the uplink reference signal currently configured in the cell, the cell identity, and the identity of the network device to which the cell belongs.
  • the PCI and frequency of the cell corresponding to the test data set can be determined through the test data set, and the cell identity of the cell corresponding to the configuration data can be determined through the configuration data. Therefore, the test data corresponding to the same cell can be determined.
  • the data collection and configuration data are associated.
  • the test data set of the cell can be associated with the configuration data through the working parameters of the cell.
  • the working parameter is the abbreviation of the engineering parameter.
  • the working parameter includes the parameter information of the cell, and the parameter information includes, but is not limited to, the PCI of the cell, the latitude and longitude coordinates, the frequency point, and the cell identification information.
  • the PCI, frequency, and cell identity of the cell can be determined through the industrial parameters of the cell.
  • the test data set including the PCI and frequency points in the industrial parameters of the cell according to the industrial parameters of the cell; according to the industrial parameters of the cell, it is determined from the multiple configuration data to include the industrial parameters of the cell.
  • the configuration data of the cell identification in the industrial parameters; thus, the determined test data set can be associated with the configuration data.
  • Step 402 Determine the transmission mode of the uplink reference signal in the cell according to the wireless channel state data set.
  • the transmission manner of the uplink reference signal includes one or more of the following: the transmission period, transmission power, or transmission bandwidth of the uplink reference signal.
  • the DT data set is obtained by measuring the uplink reference signal in the cell to obtain the test data set of the cell, or the test data set of the cell is obtained based on the MR data set reported by different terminal equipment, and the test data set of the cell is obtained according to the radio in the test data set of the cell.
  • the channel state data set can determine the transmission mode of the uplink reference signal corresponding to the cell.
  • the transmission mode of the uplink reference signal of the cell is configured according to the wireless channel state data set of the cell, so that the network equipment can accurately perform channel estimation according to the uplink reference signal.
  • the transmission manner of the uplink reference signal can be determined in the following manner:
  • Step 1 Determine the grid-level wireless channel state data of the at least one grid area according to the wireless channel state data set of the cell.
  • the grid-level wireless channel state data includes data corresponding to one or more of the following parameters: the path loss corresponding to the grid area; the uplink reference signal transmission power corresponding to the grid area; the downlink single-antenna SINR corresponding to the grid area; The downlink average rank corresponding to the grid area.
  • a cell may be divided into at least one grid area, and the size of each grid area is determined according to actual conditions, which is not limited in the embodiment of the present application.
  • the entire cell can be regarded as a grid area; when a cell includes multiple grid areas, the total area of the grid areas included in the cell can be greater than or equal to the area of the entire cell .
  • the cell in FIG. 6 can be divided into 16 grid regions, each grid region does not overlap each other, and the total area of the 16 grid regions is equal to the area of the cell.
  • Fig. 6 is just an example.
  • the number of grid areas and the size of the grid areas included in a cell may also exist in other situations, which will not be repeated here.
  • the wireless channel state data set includes multiple wireless channel state data.
  • the wireless channel state data corresponding to the same grid area in the wireless channel state data set can be used as a set of wireless channel state data.
  • the wireless channel state data corresponding to the same grid area refers to the data obtained in the same grid area.
  • the measurement The report may include the latitude and longitude coordinates, so that the wireless channel state data obtained through the measurement report in the same grid area can be used as a set of wireless channel state data according to the longitude and latitude coordinates.
  • the grid-level wireless channel state data corresponding to the grid area can be determined according to the set of wireless channel state data.
  • the average value of a group of wireless channel state data corresponding to a grid area can be used as the grid-level wireless channel state data corresponding to the grid area.
  • the median of a group of wireless channel state data corresponding to a grid area can also be used as the grid-level wireless channel state data corresponding to the grid area.
  • grid-level wireless channel state data can also be determined in other ways, which will not be repeated here.
  • abnormal wireless channel state data in a group of wireless channel state data corresponding to a grid area there may be abnormal wireless channel state data in a group of wireless channel state data corresponding to a grid area.
  • the path loss in the wireless channel state data is greater than the preset maximum value or less than the preset minimum value.
  • Grid-level wireless channel state data, or determine that the grid-level wireless channel state data of the grid area is equal to 0.
  • Step 2 Determine the grid-level spectral efficiency model of the at least one grid area according to the grid-level wireless channel state data of the at least one grid area.
  • the grid-level spectral efficiency model is a model with one or more of the transmission period variable, the transmission power variable, and the transmission bandwidth variable as independent variables, and is used to determine the spectral efficiency of the downlink channel in the corresponding grid area .
  • the downlink channel can refer to the physical downlink shared channel (PDSCH), can also refer to the downlink shared transmission channel used to carry the downlink, and can also refer to the downlink channel used to carry main user data , May also refer to a beamforming downlink signal based on an uplink reference signal, etc., which is not limited in the embodiment of the present application.
  • PDSCH physical downlink shared channel
  • the downlink channel used to carry main user data May also refer to a beamforming downlink signal based on an uplink reference signal, etc., which is not limited in the embodiment of the present application.
  • the grid-level spectral efficiency model of the first grid region may be based on one or more of the following Item determination: the downlink average rank in the grid-level wireless channel state data corresponding to the first grid area, and the SINR of the PDSCH corresponding to the first grid area.
  • the SINR of the PDSCH corresponding to the first grid area may be determined according to one or more of the following: the number of downlink transmit physical ports in the cell; the grid-level wireless network corresponding to the first grid area The downlink single-antenna signal-to-noise ratio SINR in the channel state data; the channel estimation error corresponding to the first grid area; the downlink channel single-antenna single resource element (resource element, RE) transmit power in the cell.
  • the grid-level spectral efficiency model Se i,j of the grid area j in the cell i can satisfy the formula (1):
  • Ni ,j are preset coefficients; Is the SINR of the PDSCH corresponding to the grid area j in the cell i; Rank i,j is the downlink average rank in the grid-level wireless channel state data corresponding to the grid area j.
  • the SINR of the PDSCH corresponding to the grid area j may satisfy the following formula (2):
  • NT i is the number of downlink transmit physical ports in cell i; Is the downlink single-antenna SINR in the grid-level wireless channel state data corresponding to the grid area j in the cell i; Is the channel estimation error of grid area j in cell i.
  • Channel estimation error of grid area j It is a model with one or more of the transmission period variable, transmission power variable and transmission bandwidth variable as its independent variables.
  • the channel estimation error of grid area j It can also be related to one or more of the following parameters: Noise u of the uplink channel; the path loss corresponding to the grid area; the currently configured uplink reference signal transmit power of the cell i The uplink reference signal transmission period currently configured in cell i; the uplink reference signal transmission bandwidth currently configured in cell i; the uplink reference signal transmission power corresponding to grid area j in cell i Single RE uplink reference signal transmit power of terminal equipment corresponding to grid area j in cell i The path loss from cell i to the grid area j in the neighboring cell of cell i The average moving speed Speed i, j of the terminal equipment in the grid area j in the cell i; the equivalent uplink reference signal length corresponding to the grid area j in the cell i
  • the initial values of parameters other than the emission period variable, emission power variable, and emission bandwidth variable can be based on the grid area’s initial value.
  • the grid-level wireless channel state data, the uplink reference signal transmission mode currently configured in the cell, etc. are determined.
  • Step 3 Determine the transmission mode of the uplink reference signal in the cell according to the grid-level spectrum efficiency model of the at least one grid area.
  • each pre-configured transmission mode in the at least one pre-configured transmission mode includes one or more of the following: the period corresponding to the transmission period variable in the grid-level spectral efficiency model Value; the power value corresponding to the emission power variable in the grid-level spectral efficiency model; the bandwidth value corresponding to the emission bandwidth variable in the grid-level spectral efficiency model.
  • the at least one pre-configured transmission mode may be configured by the network device, or may be determined in another manner, which is not limited in the embodiment of the present application.
  • the at least one pre-configured transmission mode may be as shown in Table 2.
  • the first pre-configured transmission mode to the H-th pre-configured transmission mode can be selected from among them in sequence, and H is the number of pre-configured transmission modes.
  • the m-th pre-configured transmission mode is currently selected from the at least one pre-configured transmission mode; m is an integer greater than 0.
  • the period value, power value, and bandwidth value in the selected m-th pre-configured emission mode are respectively used as the values of the emission period variable, emission power variable, and emission bandwidth variable in the grid-level spectral efficiency model of each grid area .
  • the first grid area is any grid area in the cell, and the first grid can be initialized according to the wireless channel state data of the first grid area
  • the grid-level spectral efficiency model of the region is to assign values to the parameters in the grid-level spectral efficiency model of the first grid region.
  • the initial value of the downlink average rank in the grid-level spectral efficiency model of the first grid area may be the downlink average rank in the grid-level wireless channel state data corresponding to the first grid area;
  • the initial value of the downlink single-antenna SINR in the grid-level spectral efficiency model of the grid area can be the downlink single-antenna SINR in the grid-level wireless channel state data corresponding to the first grid area;
  • the initial value of the uplink reference signal transmission power in the first-level spectrum efficiency model may be the uplink reference signal transmission power in the grid-level wireless channel state data corresponding to the first grid area.
  • the other parameters in the grid-level spectral efficiency model of the first grid area can be initialized accordingly, which will not be repeated here.
  • the spectrum efficiency of the downlink channel in the first grid area can be determined according to the initialized grid-level spectrum efficiency model of the first grid area and the m-th pre-configured transmission mode.
  • the spectrum efficiency of the downlink channel of the at least one grid area in the cell can be determined, and then the spectrum efficiency of the downlink channel of the cell can be determined.
  • the spectral efficiency of the downlink channel of a cell is determined by the spectral efficiency of the downlink channels of all grid areas under the cell, for example, it may include but not limited to any of the following methods:
  • the weighted average of the spectrum efficiency of the downlink channels of all grid areas under the cell is used as the spectrum efficiency of the downlink channel of the cell; for example, a cell includes two grid areas, and the weight of the first grid area is 0.7 , The weight of the second grid area is 0.3, then the spectral efficiency of the downlink channel of this cell is 0.7*A1+0.3*A2, A1 is the spectral efficiency of the downlink channel of the first grid area, and A2 is the second The spectral efficiency of the downlink channel in the grid area.
  • the weight of the grid area in the cell can be configured according to the actual situation. For example, it can be based on the statistics of the business in the grid area, such as the proportion of actual users, or the proportion of actual traffic. The embodiment is not limited.
  • the period value in the m-th pre-configured transmission mode is used as the uplink reference signal in the cell.
  • the power value in the m-th pre-configured transmission mode is used as the transmission power of the uplink reference signal in the cell, and the bandwidth value in the m-th pre-configured transmission mode is used as the uplink in the cell.
  • the emission bandwidth of the reference signal is used as the uplink in the cell.
  • the m+1th pre-configured transmission mode can be selected, and the above process can be executed again, which will not be repeated here.
  • the embodiment of the present application does not limit the preset iteration stop condition.
  • the preset iteration stop condition may be: the spectrum efficiency of the downlink channel of the cell determined according to the m-th pre-configured transmission mode is different from that of the m-th pre-configured transmission mode.
  • the absolute value of the difference between the spectral efficiencies of the downlink channels of the cell determined by any one of the pre-configured transmission modes before the pre-configured transmission mode is smaller than the threshold.
  • the preset iteration stop condition may be: the spectrum efficiency of the downlink channel of the cell determined according to the m-th pre-configured transmission mode, and the m-1th pre-configured transmission The absolute value of the difference between the spectral efficiencies of the downlink channels of the cell determined in the manner is smaller than the threshold.
  • the preset iteration stop condition may be: the number of iterations k is less than or equal to the preset number of iterations K, or the downlink channel of the cell determined according to the m-th pre-configured transmission mode The absolute value of the difference between the spectral efficiency of and the spectral efficiency of the downlink channel of the cell determined by the m-1th pre-configured transmission mode is smaller than the threshold.
  • the spectrum efficiency of the downlink channel of each grid area in the cell is determined first, and then the sum of the spectrum efficiency of the downlink channel of each grid area is used as the downlink channel of the cell. Spectral efficiency.
  • the grid-level spectrum efficiency model of at least one grid area in the cell can be combined into the spectrum efficiency model of the cell, that is, the spectrum efficiency model of the cell includes multiple formulas (1), so that the cell's spectrum efficiency model can be directly obtained.
  • the spectrum efficiency of the downlink channel is referred to the previous description and will not be repeated here.
  • a cell when the grid area is not divided in the cell, a cell can be regarded as a grid area.
  • the spectrum efficiency model of the cell can be determined according to the wireless channel state data set, and then according to all the grid areas.
  • the spectrum efficiency model determines the transmission mode of the uplink reference signal in the cell.
  • the spectral efficiency model is a model in which one or more of the transmission period variable, the transmission power variable, and the transmission bandwidth variable are used as independent variables, and is used to determine the spectral efficiency of the downlink channel of the cell.
  • Step 1 Determine the cell-level wireless channel state data of the cell according to the wireless channel state data set of the cell.
  • the cell-level radio channel state data includes data corresponding to one or more of the following parameters: path loss corresponding to the cell; uplink reference signal transmission power corresponding to the cell; downlink single-antenna SINR corresponding to the cell; average downlink rank rank corresponding to the cell .
  • the average value of the wireless channel state data set of the cell may be used as the cell-level wireless channel state data corresponding to the cell.
  • the median of the wireless channel state data set of the cell may also be used as the cell-level wireless channel state data corresponding to the cell.
  • cell-level wireless channel state data can also be determined in other ways, which will not be repeated here.
  • Step 2 Determine the cell-level spectrum efficiency model of the cell according to the cell-level wireless channel state data.
  • the cell-level spectrum efficiency model of the cell can refer to the previous formula (1).
  • the parameters in formula (1) only need to be initialized with the cell-level radio channel state data and the uplink reference signal transmission mode currently configured in the cell.
  • Step 3 Determine the transmission mode of the uplink reference signal in the cell according to the cell-level spectrum efficiency model of the cell.
  • the period value adopted by the transmission period variable of the cell-level spectrum efficiency model can be used as the transmission period of the uplink reference signal in the cell, and the cell-level spectrum
  • the power value used by the transmit power variable of the efficiency model is used as the transmit power of the uplink reference signal in the cell
  • the bandwidth value used by the transmit bandwidth variable of the cell-level spectral efficiency model is used as the transmit bandwidth of the uplink reference signal in the cell.
  • the network equipment can send the transmission mode of the uplink reference signal to the terminal equipment in the cell managed by the network equipment through signaling, and the terminal equipment in the cell can adopt the corresponding transmission mode.
  • the transmission mode transmits the uplink reference signal.
  • the terminal device and the network device may include a hardware structure and/or software module, and the above functions are implemented in the form of a hardware structure, a software module, or a hardware structure plus a software module. . Whether a certain function among the above-mentioned functions is executed by a hardware structure, a software module, or a hardware structure plus a software module depends on the specific application and design constraint conditions of the technical solution.
  • the division of modules in the embodiments of the present application is illustrative, and is only a logical function division, and there may be other division methods in actual implementation.
  • the functional modules in the various embodiments of the present application may be integrated in one processor, or may exist alone physically, or two or more modules may be integrated in one module.
  • the above-mentioned integrated modules can be implemented in the form of hardware or software functional modules.
  • an embodiment of the present application further provides a communication device 700 for implementing the functions in the method shown in FIG. 4.
  • the device may be a software module or a chip system.
  • the chip system may be composed of chips, or may include chips and other discrete devices.
  • the apparatus 700 may include: a processing unit 701 and a communication unit 702.
  • the communication unit may also be referred to as a transceiver unit, and may include a sending unit and/or a receiving unit, which are respectively configured to perform the steps of sending and receiving by the network management device or the network device in the above method embodiment.
  • the communication unit 702 is configured to obtain a test data set of a cell
  • the processing unit 701 is configured to determine the wireless channel state data set of the cell from the test data set; the wireless channel state data set of the cell includes data corresponding to one or more of the following parameters: the path corresponding to the cell Loss, the uplink reference signal transmit power corresponding to the cell, the downlink single-antenna signal-to-interference and noise ratio SINR corresponding to the cell, the downlink average rank rank corresponding to the cell;
  • the transmission mode of the uplink reference signal, the transmission mode includes one or more of the following: the transmission period of the uplink reference signal, the transmission power of the uplink reference signal, or the transmission bandwidth of the uplink reference signal.
  • processing unit 701 is specifically configured to:
  • the spectrum efficiency model is determined according to the wireless channel state data set, where the spectrum efficiency model is a model with one or more of the transmission period variable, the transmission power variable, and the transmission bandwidth variable as independent variables, and is used to determine the cell
  • the spectrum efficiency of the downlink channel; the transmission mode of the uplink reference signal in the cell is determined according to the spectrum efficiency model.
  • the cell includes at least one grid area
  • the processing unit 701 is specifically configured to:
  • the grid-level wireless channel state data of the at least one grid area is determined according to the wireless channel state data set of the cell; the grid-level wireless channel state data includes data corresponding to one or more of the following parameters: grid The path loss corresponding to the area; the uplink reference signal transmit power corresponding to the grid area; the downlink single-antenna signal-to-interference and noise ratio SINR corresponding to the grid area; the downlink average rank corresponding to the grid area;
  • the grid-level spectral efficiency model of the at least one grid area is determined according to the grid-level wireless channel state data of the at least one grid area, wherein the grid-level spectral efficiency model is based on the transmission period variable and the transmission power A model in which one or more of the variables and the emission bandwidth variables are independent variables, used to determine the spectral efficiency of the downlink channel of the corresponding grid area;
  • the transmission mode of the uplink reference signal in the cell is determined according to the grid-level spectrum efficiency model of the at least one grid area.
  • the first grid area is any grid area in the cell, and the grid area of the first grid area is The first-level spectrum efficiency model is determined according to one or more of the following: the downlink average rank rank corresponding to the first grid area, and the SINR of the physical downlink shared channel PDSCH corresponding to the first grid area.
  • the SINR of the PDSCH corresponding to the first grid area is determined according to one or more of the following: the number of downlink transmit physical ports in the cell, and the first grid area corresponds to The downlink single-antenna signal-to-noise ratio SINR, the channel estimation error corresponding to the first grid area, and the downlink channel single-antenna single-resource unit transmit power in the cell.
  • processing unit 701 is specifically configured to:
  • At least one pre-configured transmission mode is acquired, and the m-th pre-configured transmission mode is selected from the at least one pre-configured transmission mode; m is an integer greater than 0; wherein, each pre-configuration in the at least one pre-configured transmission mode
  • the transmission mode includes one or more of the following: the period value corresponding to the transmission period variable; the power value corresponding to the transmission power variable; the bandwidth value corresponding to the transmission bandwidth variable;
  • the grid-level spectrum efficiency model of the at least one grid area is initialized according to the grid-level wireless channel state data of the at least one grid area, and the grid-level spectrum efficiency model of the at least one grid area is initialized according to the initialization.
  • An efficiency model and the m-th pre-configured transmission mode determine the spectral efficiency of the downlink channel of the cell;
  • the period value in the m-th pre-configured transmission mode is used as the transmission period of the uplink reference signal in the cell, and the m-th The power value in the pre-configured transmission mode is used as the transmission power of the uplink reference signal in the cell, and the bandwidth value in the m-th pre-configured transmission mode is used as the transmission bandwidth of the uplink reference signal in the cell.
  • processing unit 701 is specifically configured to:
  • the first grid area is any grid area in the cell, and the grid level is initialized according to the wireless channel state data of the first grid area.
  • a spectrum efficiency model and the m-th pre-configured transmission mode determine the spectrum efficiency of the downlink channel of the first grid area;
  • the sum of the spectrum efficiency of the downlink channel of the at least one grid area in the cell is taken as the spectrum efficiency of the downlink channel of the cell.
  • the preset iteration stop condition is: the spectrum efficiency of the downlink channel of the cell determined according to the m-th pre-configured transmission mode, and the m-th pre-configured transmission mode
  • the absolute value of the difference between the spectral efficiencies of the downlink channels of the cell determined by any previous pre-configured transmission mode is smaller than the threshold.
  • the communication unit 702 is further configured to: indicate the transmission mode to the terminal equipment in the cell.
  • FIG. 8 shows an apparatus 800 provided by an embodiment of this application.
  • the apparatus shown in FIG. 8 may be a hardware circuit implementation of the apparatus shown in FIG. 7.
  • the communication device can be applied to the flowchart shown in FIG. 4 to perform the functions in the foregoing method embodiments.
  • FIG. 8 only shows part of the components of the communication device, and does not constitute a limitation.
  • the apparatus 800 shown in FIG. 8 includes at least one processor 820, which is configured to implement any method in FIG. 4 provided in the embodiments of the present application.
  • the device 800 may further include at least one memory 830 for storing program instructions and/or data.
  • the memory 830 and the processor 820 are coupled.
  • the coupling in the embodiments of the present application is an indirect coupling or communication connection between devices, units or modules, and may be in electrical, mechanical or other forms, and is used for information exchange between devices, units or modules.
  • the processor 820 may cooperate with the memory 830 to operate.
  • the processor 820 may execute program instructions stored in the memory 830. At least one of the at least one memory may be included in the processor.
  • each step of the above method can be completed by an integrated logic circuit of hardware in the processor or instructions in the form of software.
  • the steps of the method disclosed in combination with the embodiments of the present application may be embodied as being executed and completed by a hardware processor, or executed and completed by a combination of hardware and software modules in the processor.
  • the software module can be located in a mature storage medium in the field, such as random access memory, flash memory, read-only memory, programmable read-only memory, or electrically erasable programmable memory, registers.
  • the storage medium is located in the memory, and the processor reads the information in the memory and completes the steps of the above method in combination with its hardware. To avoid repetition, it will not be described in detail here.
  • the processor in the embodiment of the present application may be an integrated circuit chip with signal processing capability.
  • the steps of the foregoing method embodiments can be completed by hardware integrated logic circuits in the processor or instructions in the form of software.
  • the above-mentioned processor may be a general-purpose processor, a digital signal processing circuit (digital signal processor, DSP), a dedicated integrated circuit (application specific integrated circuit, ASIC), a field programmable gate array (field programmable gate array, FPGA) or other Programming logic devices, discrete gates or transistor logic devices, discrete hardware components.
  • DSP digital signal processing circuit
  • ASIC application specific integrated circuit
  • FPGA field programmable gate array
  • Programming logic devices discrete gates or transistor logic devices, discrete hardware components.
  • the general-purpose processor may be a microprocessor or the processor may also be any conventional processor or the like.
  • the steps of the method disclosed in the embodiments of the present application may be embodied as being executed and completed by a hardware decoding processor, or executed and completed by a combination of hardware and software modules in the decoding processor.
  • the software module can be located in a mature storage medium in the field, such as random access memory, flash memory, read-only memory, programmable read-only memory, or electrically erasable programmable memory, registers.
  • the storage medium is located in the memory, and the processor reads the information in the memory and completes the steps of the above method in combination with its hardware.
  • the memory in the embodiments of the present application may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory can be read-only memory (ROM), programmable read-only memory (programmable ROM, PROM), erasable programmable read-only memory (erasable PROM, EPROM), and electrically available Erase programmable read-only memory (electrically EPROM, EEPROM) or flash memory.
  • the volatile memory may be random access memory (RAM), which is used as an external cache.
  • RAM random access memory
  • static random access memory static random access memory
  • dynamic RAM dynamic RAM
  • DRAM dynamic random access memory
  • synchronous dynamic random access memory synchronous DRAM, SDRAM
  • double data rate synchronous dynamic random access memory double data rate SDRAM, DDR SDRAM
  • enhanced synchronous dynamic random access memory enhanced SDRAM, ESDRAM
  • synchronous connection dynamic random access memory serial DRAM, SLDRAM
  • direct rambus RAM direct rambus RAM
  • the apparatus 800 may further include a communication interface 810 for communicating with other devices through a transmission medium, so that the apparatus used in the apparatus 800 can communicate with other devices.
  • the communication interface may be a transceiver, circuit, bus, module, or other type of communication interface.
  • the transceiver when the communication interface is a transceiver, the transceiver may include an independent receiver and an independent transmitter; it may also be a transceiver with integrated transceiver functions, or an interface circuit.
  • the device 800 may also include a communication line 840.
  • the communication interface 810, the processor 820, and the memory 830 may be connected to each other through a communication line 840;
  • the communication line 840 may be a peripheral component interconnect (PCI) bus or an extended industry standard architecture (extended industry standard architecture). , Referred to as EISA) bus and so on.
  • the communication line 840 can be divided into an address bus, a data bus, a control bus, and the like. For ease of representation, only one thick line is used in FIG. 8, but it does not mean that there is only one bus or one type of bus.
  • the communication interface 810 is used to obtain the test data set of the cell
  • the processor 820 is configured to determine a wireless channel state data set of the cell from the test data set; the wireless channel state data set of the cell includes data corresponding to one or more of the following parameters: the path corresponding to the cell Loss, the uplink reference signal transmit power corresponding to the cell, the downlink single-antenna signal-to-interference and noise ratio SINR corresponding to the cell, the downlink average rank rank corresponding to the cell;
  • the transmission mode of the uplink reference signal, the transmission mode includes one or more of the following: the transmission period of the uplink reference signal, the transmission power of the uplink reference signal, or the transmission bandwidth of the uplink reference signal.
  • the processor 820 is specifically configured to:
  • the spectrum efficiency model is determined according to the wireless channel state data set, where the spectrum efficiency model is a model with one or more of the transmission period variable, the transmission power variable, and the transmission bandwidth variable as independent variables, and is used to determine the cell
  • the spectral efficiency of the downlink channel is determined according to the wireless channel state data set, where the spectrum efficiency model is a model with one or more of the transmission period variable, the transmission power variable, and the transmission bandwidth variable as independent variables, and is used to determine the cell The spectral efficiency of the downlink channel;
  • the cell includes at least one grid area
  • the processor 820 is specifically configured to:
  • the grid-level wireless channel state data of the at least one grid area is determined according to the wireless channel state data set of the cell; the grid-level wireless channel state data includes data corresponding to one or more of the following parameters: grid The path loss corresponding to the area; the uplink reference signal transmit power corresponding to the grid area; the downlink single-antenna signal-to-interference and noise ratio SINR corresponding to the grid area; the downlink average rank corresponding to the grid area;
  • the grid-level spectral efficiency model of the at least one grid area is determined according to the grid-level wireless channel state data of the at least one grid area, wherein the grid-level spectral efficiency model is based on the transmission period variable and the transmission power A model in which one or more of the variables and the emission bandwidth variables are independent variables, used to determine the spectral efficiency of the downlink channel of the corresponding grid area;
  • the transmission mode of the uplink reference signal in the cell is determined according to the grid-level spectrum efficiency model of the at least one grid area.
  • the first grid area is any grid area in the cell, and the grid area of the first grid area is The first-level spectrum efficiency model is determined according to one or more of the following: the downlink average rank rank corresponding to the first grid area, and the SINR of the physical downlink shared channel PDSCH corresponding to the first grid area.
  • the SINR of the PDSCH corresponding to the first grid area is determined according to one or more of the following: the number of downlink transmit physical ports in the cell, and the first grid area corresponds to The downlink single-antenna signal-to-noise ratio SINR, the channel estimation error corresponding to the first grid area, and the downlink channel single-antenna single-resource unit transmit power in the cell.
  • the processor 820 is specifically configured to:
  • At least one pre-configured transmission mode is acquired, and the m-th pre-configured transmission mode is selected from the at least one pre-configured transmission mode; m is an integer greater than 0; wherein, each pre-configuration in the at least one pre-configured transmission mode
  • the transmission mode includes one or more of the following: the period value corresponding to the transmission period variable; the power value corresponding to the transmission power variable; the bandwidth value corresponding to the transmission bandwidth variable;
  • the grid-level spectrum efficiency model of the at least one grid area is initialized according to the grid-level wireless channel state data of the at least one grid area, and the grid-level spectrum efficiency model of the at least one grid area is initialized according to the initialization.
  • An efficiency model and the m-th pre-configured transmission mode determine the spectral efficiency of the downlink channel of the cell;
  • the period value in the m-th pre-configured transmission mode is used as the transmission period of the uplink reference signal in the cell, and the m-th The power value in the pre-configured transmission mode is used as the transmission power of the uplink reference signal in the cell, and the bandwidth value in the m-th pre-configured transmission mode is used as the transmission bandwidth of the uplink reference signal in the cell.
  • the processor 820 is specifically configured to:
  • the first grid area is any grid area in the cell, and the grid level is initialized according to the wireless channel state data of the first grid area.
  • a spectrum efficiency model and the m-th pre-configured transmission mode determine the spectrum efficiency of the downlink channel of the first grid area;
  • the sum of the spectrum efficiency of the downlink channel of the at least one grid area in the cell is taken as the spectrum efficiency of the downlink channel of the cell.
  • the preset iteration stop condition is: the spectrum efficiency of the downlink channel of the cell determined according to the m-th pre-configured transmission mode, and the m-th pre-configured transmission mode
  • the absolute value of the difference between the spectral efficiencies of the downlink channels of the cell determined by any previous pre-configured transmission mode is smaller than the threshold.
  • the communication interface 810 is further used to indicate the transmission mode to the terminal device in the cell.
  • the embodiment of the present application also provides a communication system, which is shown in FIG. 9 for details.
  • the communication system shown in FIG. 9 includes a network management device 910, a network device 920, and a terminal device 930.
  • the network device 920 is configured to obtain the test data set of the cell managed by the network device 920; send the test data set to the network management device;
  • the network management device 910 is configured to determine the wireless channel state data set of the cell from the test data set; the wireless channel state data set of the cell includes data corresponding to one or more of the following parameters: the path corresponding to the cell Loss, the uplink reference signal transmit power corresponding to the cell, the downlink single-antenna signal-to-interference and noise ratio SINR corresponding to the cell, the downlink average rank rank corresponding to the cell;
  • the transmission mode of the uplink reference signal, the transmission mode includes one or more of the following: the transmission period of the uplink reference signal, the transmission power of the uplink reference signal, or the transmission bandwidth of the uplink reference signal. For details, refer to the embodiment shown in FIG. 4, which will not be repeated here.
  • the network management device 910 is further configured to send the transmission mode to the network device 920; the network device 920 is further configured to indicate the transmission mode to the terminal device 930 .
  • this application can be provided as methods, systems, or computer program products. Therefore, this application may adopt the form of a complete hardware embodiment, a complete software embodiment, or an embodiment combining software and hardware. Moreover, this application may adopt the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage, optical storage, etc.) containing computer-usable program codes.
  • a computer-usable storage media including but not limited to disk storage, optical storage, etc.
  • These computer program instructions can also be stored in a computer-readable memory that can guide a computer or other programmable data processing equipment to work in a specific manner, so that the instructions stored in the computer-readable memory produce an article of manufacture including the instruction device.
  • the device implements the functions specified in one process or multiple processes in the flowchart and/or one block or multiple blocks in the block diagram.

Landscapes

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

Abstract

Les modes de réalisation de la présente invention concernent un procédé, un dispositif et un système pour déterminer un signal de référence de liaison montante. Le procédé consiste à : acquérir un ensemble de données de test d'une cellule, déterminer un ensemble de données d'état de canal radio de la cellule à partir de l'ensemble de données de test, l'ensemble de données d'état de canal radio de la cellule comprenant des données correspondant à un ou plusieurs des paramètres suivants : un affaiblissement de propagation correspondant à la cellule, une puissance de transmission de signal de référence de liaison montante correspondant à la cellule, un rapport signal/brouillage plus bruit (SINR) d'antenne unique de liaison descendante correspondant à la cellule, et un rang moyen de liaison descendante correspondant à la cellule ; et, déterminer un schéma de transmission pour un signal de référence de liaison montante dans la cellule sur la base de l'ensemble de données d'état de canal radio, le schéma de transmission comprenant un ou plusieurs des éléments suivants : un cycle de transmission pour le signal de référence de liaison montante, une puissance de transmission du signal de référence de liaison montante ou une bande passante de transmission du signal de référence de liaison montante.
PCT/CN2020/107877 2020-02-04 2020-08-07 Procédé, dispositif et système pour déterminer un schéma de transmission de signal de référence de liaison montante WO2021155659A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202010079704.8A CN113225813B (zh) 2020-02-04 2020-02-04 一种上行参考信号发射方式确定方法、装置及系统
CN202010079704.8 2020-02-04

Publications (1)

Publication Number Publication Date
WO2021155659A1 true WO2021155659A1 (fr) 2021-08-12

Family

ID=77085339

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2020/107877 WO2021155659A1 (fr) 2020-02-04 2020-08-07 Procédé, dispositif et système pour déterminer un schéma de transmission de signal de référence de liaison montante

Country Status (2)

Country Link
CN (1) CN113225813B (fr)
WO (1) WO2021155659A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113709771A (zh) * 2021-08-20 2021-11-26 中国科学院数学与系统科学研究院 调整信号发射功率的方法、装置、设备和可读介质

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101784116A (zh) * 2009-01-19 2010-07-21 华为技术有限公司 一种探测参考信号资源分配的方法、系统和设备
US20170033908A1 (en) * 2014-04-20 2017-02-02 Lg Electronics Inc. Method and terminal for transmitting sounding reference signal in wireless communication system
CN107347005A (zh) * 2016-05-05 2017-11-14 华为技术有限公司 配置探测参考信号的方法和装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104221313B (zh) * 2013-03-11 2018-04-27 华为技术有限公司 用于数据传输的方法和装置
CN109803363B (zh) * 2017-11-17 2022-11-08 华为技术有限公司 通信方法、通信装置和系统
CN109842927B (zh) * 2017-11-24 2021-01-29 华为技术有限公司 上行控制的方法、装置和系统
KR102414678B1 (ko) * 2018-01-08 2022-06-29 삼성전자주식회사 무선통신시스템에서 상향링크 전송전력 제어 방법 및 장치
CN110337140B (zh) * 2019-05-31 2021-06-01 华为技术有限公司 一种通信方法及装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101784116A (zh) * 2009-01-19 2010-07-21 华为技术有限公司 一种探测参考信号资源分配的方法、系统和设备
US20170033908A1 (en) * 2014-04-20 2017-02-02 Lg Electronics Inc. Method and terminal for transmitting sounding reference signal in wireless communication system
CN107347005A (zh) * 2016-05-05 2017-11-14 华为技术有限公司 配置探测参考信号的方法和装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
HUAWEI, HISILICON: "Remaining details of UL power control design", 3GPP DRAFT; R1-1801462, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG1, no. Athens, Greece; 20180226 - 20180302, 16 February 2018 (2018-02-16), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France, XP051397426 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113709771A (zh) * 2021-08-20 2021-11-26 中国科学院数学与系统科学研究院 调整信号发射功率的方法、装置、设备和可读介质

Also Published As

Publication number Publication date
CN113225813A (zh) 2021-08-06
CN113225813B (zh) 2023-02-03

Similar Documents

Publication Publication Date Title
JP6972142B2 (ja) 送信方法、ネットワークデバイス、および端末
WO2020134944A1 (fr) Procédé de mesure d'interférence et appareil de communication
WO2020029942A1 (fr) Procédé et dispositif de mesure de faisceau
US11405930B2 (en) Measurement method, network device, and terminal device
US20220393737A1 (en) Communication method and communication apparatus
US20220240120A1 (en) Resource Measurement Method and Apparatus
WO2021052473A1 (fr) Procédé de communication et appareil de communication
WO2021244201A1 (fr) Procédé et appareil de mesure de faisceau
US11564213B2 (en) Communication method and communications apparatus
TW201902156A (zh) 涉及無線通信網絡中的通道狀態資訊報告的方法和裝置
US11658753B2 (en) Signal measurement method and communication apparatus
WO2020155604A1 (fr) Procédé et appareil de rapport de mesure
EP3829243A1 (fr) Procédé de gestion de ressources et appareil de communication
US20220225337A1 (en) Interference measurement reporting method and communications apparatus
WO2020143654A1 (fr) Procédé de mesure de signaux et appareil de communication
WO2022012609A1 (fr) Procédé et appareil de rétroaction de mesure
WO2021155659A1 (fr) Procédé, dispositif et système pour déterminer un schéma de transmission de signal de référence de liaison montante
CN113573354B (zh) 波束报告方法和设备
WO2020118600A1 (fr) Procédé et appareil pour systèmes à antennes multiples
WO2022078217A1 (fr) Procédé d'écoute de la porteuse, terminal, dispositif de réseau, appareil et support de stockage
WO2021160137A1 (fr) Procédé et dispositif permettant de mesurer des informations d'état de canal
WO2020156514A1 (fr) Procédé de rapport de mesure et appareil de communication
US11984939B2 (en) Methods and devices for inter-cell interference estimation
CN114759964A (zh) 一种信息处理方法、装置及网络侧设备
WO2024146368A1 (fr) Procédé de communication et appareil de communication

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: 20918118

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 20918118

Country of ref document: EP

Kind code of ref document: A1