CN116782135A - Position information determining method and device, electronic equipment and storage medium - Google Patents

Position information determining method and device, electronic equipment and storage medium Download PDF

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Publication number
CN116782135A
CN116782135A CN202310701669.2A CN202310701669A CN116782135A CN 116782135 A CN116782135 A CN 116782135A CN 202310701669 A CN202310701669 A CN 202310701669A CN 116782135 A CN116782135 A CN 116782135A
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China
Prior art keywords
service information
user terminal
cell
information
signal strength
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CN202310701669.2A
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Chinese (zh)
Inventor
吴琮
陶晓英
于萌
徐文涛
杨保光
卢佳旺
李冉
孙珊
赵鸿山
姚琳燕
崔宇帆
陈佳乐
张欢
康浩
黄智谦
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China United Network Communications Group Co Ltd
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China United Network Communications Group Co Ltd
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Priority to CN202310701669.2A priority Critical patent/CN116782135A/en
Publication of CN116782135A publication Critical patent/CN116782135A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H04W4/021—Services related to particular areas, e.g. point of interest [POI] services, venue services or geofences
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H04W4/029—Location-based management or tracking services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H04W4/35—Services specially adapted for particular environments, situations or purposes for the management of goods or merchandise
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
    • H04W64/006—Locating users or terminals or network equipment for network management purposes, e.g. mobility management with additional information processing, e.g. for direction or speed determination

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

Abstract

The application provides a position information determining method, a position information determining device, electronic equipment and a storage medium, relates to the technical field of communication, and solves the technical problem that a server can not accurately determine which logistics information is determined as the position information of a user and influences the effectiveness of position determination because a plurality of different logistics information possibly exist in the user. The method comprises the following steps: acquiring measurement report MR data of a user terminal at each of a plurality of moments; determining the position information corresponding to the user terminal at each moment from a preset corresponding relation based on the cell identification of the service cell corresponding to the user terminal at each moment and the signal intensity of the user terminal at each moment; determining the corresponding quantity of each piece of position information in a plurality of pieces of position information in a preset time length; and determining target position information as position information of the user terminal, wherein the target position information is the position information with the largest number corresponding to the preset duration in the plurality of position information.

Description

Position information determining method and device, electronic equipment and storage medium
Technical Field
The present application relates to the field of communications technologies, and in particular, to a method and apparatus for determining location information, an electronic device, and a storage medium.
Background
Currently, a server may acquire physical distribution information of a user (e.g., a receiving address of the user), and determine the physical distribution information of the user as location information of the user.
However, in the above method, the user may have a plurality of different pieces of physical distribution information, and the server may not be able to accurately determine which piece of physical distribution information is to be determined as the location information of the user, which affects the effectiveness of location determination.
Disclosure of Invention
The application provides a position information determining method, a position information determining device, electronic equipment and a storage medium, which solve the technical problem that a server can not accurately determine which logistics information is determined as the position information of a user and influence the effectiveness of position determination because a plurality of different logistics information possibly exist for the user.
In a first aspect, the present application provides a location information determining method, including: acquiring measurement report (measurement report, MR) data of a user terminal at each of a plurality of moments, wherein the MR data of the user terminal at one moment comprises a cell identifier of a serving cell corresponding to the user terminal at the moment and signal strength of the user terminal at the moment; determining position information corresponding to the user terminal at each moment from a preset corresponding relation based on a cell identifier of a service cell corresponding to the user terminal at each moment and signal intensity of the user terminal at each moment, wherein the preset corresponding relation comprises a plurality of service information and position information corresponding to the plurality of service information, and one service information comprises a cell identifier and a signal intensity; determining the corresponding number of each piece of position information in a plurality of pieces of position information in a preset time period, wherein the corresponding number of the pieces of position information in the preset time period is the number of the pieces of position information in the preset time period, the corresponding piece of position information is the number of the pieces of position information in the preset time period, the preset position information is one piece of the pieces of position information, and the preset time period comprises the pieces of time; and determining target position information as position information of the user terminal, wherein the target position information is the position information with the largest number corresponding to the preset duration in the plurality of position information.
Optionally, the determining, based on the cell identifier of the serving cell corresponding to the ue at each time and the signal strength of the ue at each time, the location information corresponding to the ue at each time from the preset correspondence may specifically include: determining at least one service information from the preset corresponding relation based on a first cell identifier, wherein the first cell identifier is a cell identifier of a service cell corresponding to the user terminal at a first moment, and the first moment is one of the moments; determining the similarity between the first signal strength and the signal strength included in each piece of service information in the at least one piece of service information, wherein the first signal strength is the signal strength of the user terminal at the first moment; and under the condition that the target similarity is greater than or equal to a similarity threshold value, determining first position information as position information corresponding to the first moment of the user terminal, wherein the first position information is position information corresponding to first service information, the target similarity is greater than other similarities, the target similarity is the similarity between the signal intensity included in the first service information and the first signal intensity, the other similarities are the similarities between the signal intensity included in other service information and the first signal intensity, and the other service information is the service information except the first service information in the at least one service information.
Optionally, the above location information determining method further includes: determining a cell type of a target cell under the condition that the target similarity is smaller than the similarity threshold, wherein the target cell is a serving cell corresponding to the user terminal at a first moment, and the cell type of one cell is a cell division cell or a macro station cell; and determining the position information of the target cell as the position information corresponding to the user terminal at the first moment when the cell type of the target cell is a cell division cell.
Optionally, the above location information determining method further includes: and determining the position information corresponding to the first service information according to the signal intensity of the user terminal at each moment in the plurality of moments, the signal intensity mean value included in each service information, the signal intensity variance included in each service information and the weight parameter included in each service information.
Optionally, the above location information determining method further includes:
determining that the location information corresponding to the first service information satisfies the following formula:
wherein F represents the position information corresponding to the first service information, S j Represents the signal strength, mu, of the user terminal at the j-th moment i Representing the mean value, sigma, of the signal strength included in the ith service information i 2 Representing the signal strength variance, W, included in the ith service information i The weight parameter included in the i-th service information is represented by i being an integer greater than or equal to 1, and j being an integer greater than or equal to 1.
In a second aspect, the present application provides a position information determining apparatus including: an acquisition module and a determination module; the acquisition module is used for acquiring MR data of the user terminal at each of a plurality of moments, wherein the MR data of the user terminal at one moment comprises a cell identifier of a serving cell corresponding to the user terminal at the moment and the signal intensity of the user terminal at the moment; the determining module is configured to determine, from a preset correspondence, location information corresponding to the user terminal at each time, where the preset correspondence includes a plurality of service information and location information corresponding to the plurality of service information, where one service information includes one cell identifier and one signal strength; the determining module is further configured to determine a number of each piece of location information in a preset duration, where the number of pieces of location information in the preset duration corresponds to the number of times when the user terminal is in the preset location information, the corresponding piece of location information is one piece of location information, and the preset duration includes the multiple times; the determining module is further configured to determine target location information as location information of the user terminal, where the target location information is the location information with the largest number of locations corresponding to the plurality of location information within the preset duration.
Optionally, the determining module is specifically configured to determine at least one service information from the preset correspondence based on a first cell identifier, where the first cell identifier is a cell identifier of a serving cell corresponding to the user terminal at a first time, and the first time is one of the multiple times; the determining module is further specifically configured to determine a similarity between a first signal strength and a signal strength included in each service information in the at least one service information, where the first signal strength is a signal strength of the user terminal at the first moment; the determining module is further specifically configured to determine, when the target similarity is greater than or equal to a similarity threshold, the first location information as location information corresponding to the first service information at the first time, where the first location information is location information corresponding to the first service information, the target similarity is greater than other similarities, where the target similarity is a similarity between a signal strength included in the first service information and the first signal strength, the other similarities are similarities between a signal strength included in other service information and the first signal strength, and the other service information is service information other than the first service information in the at least one service information.
Optionally, the determining module is further specifically configured to determine a cell type of a target cell, where the target cell is a serving cell corresponding to the ue at the first time, and the cell type of one cell is a cell division cell or a macro station cell, where the target similarity is smaller than the similarity threshold; the determining module is further specifically configured to determine, when the cell type of the target cell is a cell division cell, location information of the target cell as location information corresponding to the user terminal at the first time.
Optionally, the signal strength included in each service information in the at least one service information is composed of a signal strength mean value and a signal strength variance, and one service information further includes a weight parameter, and the determining module is further specifically configured to determine the location information corresponding to the first service information according to the signal strength of the user terminal at each of the multiple moments, the signal strength mean value included in each service information, the signal strength variance included in each service information, and the weight parameter included in each service information.
Optionally, the determining module is further specifically configured to determine that the location information corresponding to the first service information satisfies the following formula:
Wherein F represents the position information corresponding to the first service information, S j Represents the signal strength, mu, of the user terminal at the j-th moment i Representing the mean value, sigma, of the signal strength included in the ith service information i 2 Representing the signal strength variance, W, included in the ith service information i The weight parameter included in the i-th service information is represented by i being an integer greater than or equal to 1, and j being an integer greater than or equal to 1.
In a third aspect, the present application provides an electronic device comprising: a processor and a memory configured to store processor-executable instructions; wherein the processor is configured to execute the instructions to implement any of the optional location information determination methods of the first aspect described above.
In a fourth aspect, the present application provides a computer readable storage medium having instructions stored thereon which, when executed by an electronic device, enable the electronic device to perform any one of the optional location information determining methods of the first aspect described above.
According to the position information determining method, the position information determining device, the electronic equipment and the storage medium, the electronic equipment can acquire MR data of the user terminal at each moment in a plurality of moments, then determine position information corresponding to the user terminal at each moment from a preset corresponding relation based on cell identifiers of service cells corresponding to the user terminal at each moment and signal intensity of the user terminal at each moment, and then the electronic equipment can determine the corresponding quantity of each position information in a preset time length and determine target position information as the position information of the user terminal. In the application, since the MR data of one moment comprises the cell identifier and the signal strength of one service cell and the service information comprises the cell identifier and the signal strength, the electronic equipment can determine one piece of service information and the position information corresponding to the service information from the preset corresponding relation based on the MR data of each moment, and determine the position information corresponding to the service information as the position information corresponding to the user terminal at the moment.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
Fig. 1 is a flow chart of a method for determining location information according to an embodiment of the present application;
fig. 2 is a flowchart of another method for determining location information according to an embodiment of the present application;
fig. 3 is a flowchart of another method for determining location information according to an embodiment of the present application;
fig. 4 is a flowchart of another method for determining location information according to an embodiment of the present application;
fig. 5 is a flowchart of another method for determining location information according to an embodiment of the present application;
fig. 6 is a flowchart of a method for determining location information according to an embodiment of the present application;
fig. 7 is a schematic diagram of a network architecture of a location information determining system according to an embodiment of the present application;
fig. 8 is a schematic structural diagram of a location information determining apparatus according to an embodiment of the present application;
fig. 9 is a schematic structural diagram of another location information determining apparatus according to an embodiment of the present application.
Detailed Description
The method, the device, the electronic equipment and the storage medium for determining the position information provided by the embodiment of the application are described in detail below with reference to the accompanying drawings.
Furthermore, references to the terms "comprising" and "having" and any variations thereof in the description of the present application are intended to cover a non-exclusive inclusion. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those listed but may optionally include other steps or elements not listed or inherent to such process, method, article, or apparatus.
It should be noted that, in the embodiments of the present application, words such as "exemplary" or "such as" are used to mean serving as an example, instance, or illustration. Any embodiment or design described herein as "exemplary" or "e.g." in an embodiment of the present application is not to be taken as preferred or advantageous over other embodiments or designs. Rather, the use of words such as "exemplary" or "such as" is intended to present related concepts in a concrete fashion.
The term "and/or" as used herein includes the use of either or both of these methods.
In the description of the present application, unless otherwise indicated, the meaning of "a plurality" means two or more.
Based on the description in the background art, since there may be a plurality of different logistics information in the related art, the server may not accurately determine which logistics information is determined as the location information of the user, which affects the effectiveness of location determination. Based on this, the embodiment of the application provides a method, a device, an electronic device and a storage medium for determining location information, in which, since MR data at one moment includes a cell identifier of a serving cell and a signal strength, and MR data at each moment includes a cell identifier and a signal strength, the electronic device can determine, from the preset correspondence, one piece of service information and location information corresponding to the piece of service information, and determine the location information corresponding to the piece of service information as the location information corresponding to the piece of user terminal at the moment, and since the number of the corresponding target location information is the largest in the preset duration, it is indicated that the piece of user terminal is located at the target location information at more moments, so that the electronic device determines the location information of the piece of user terminal at the more moments as the location information of the piece of user terminal, and the validity of location determination of the piece of user terminal can be improved.
The method, the device, the electronic equipment and the storage medium for determining the position information are applied to scenes for determining the position information. Specifically, when the electronic device obtains MR data of each of multiple times of the user terminal, the location information corresponding to each time of the user terminal may be determined from a preset correspondence based on the cell identifier of the serving cell corresponding to each time of the user terminal and the signal strength of each time of the user terminal, then the number of each location information in the multiple location information corresponding to the preset duration is determined, and the location information with the largest number of the multiple location information corresponding to the preset duration is determined as the location information of the user terminal.
As shown in fig. 1, the method for determining location information provided by the embodiment of the present application may include S101-S104.
S101, the electronic equipment acquires MR data of the user terminal at each of a plurality of moments.
The MR data of the ue at a time includes a cell identifier of a serving cell corresponding to the ue at the time and a signal strength of the ue at the time.
It should be understood that the signal strength of the ue at one time instant is the signal strength of the ue under the coverage of the serving cell.
It will be appreciated that a time stamp and an identifier of the user terminal may also be included in one MR data, and the electronic device may obtain MR data of the user terminal at each of a plurality of time instants based on the time stamp and the identifier of the user terminal.
Alternatively, the identity of the ue may be an international mobile subscriber identity (international mobile subscriber identification number, IMSI) corresponding to the ue.
Alternatively, the electronic device may acquire MR data of the user terminal at each of a plurality of times from the base station.
S102, the electronic equipment determines the position information corresponding to the user terminal at each moment from the preset corresponding relation based on the cell identification of the service cell corresponding to the user terminal at each moment and the signal intensity of the user terminal at each moment.
The preset corresponding relation comprises a plurality of pieces of service information and position information corresponding to the plurality of pieces of service information, and one piece of service information comprises a cell identifier and a signal strength.
It should be understood that the preset correspondence is used to characterize the signal strength of a location information under coverage of a cell, and the electronic device may determine, from the preset correspondence, service information that is the same as or has the highest similarity to the MR data at each time, and location information corresponding to the service information.
It may be appreciated that when one service information (for example, the first service information) is the same as or similar to MR data (for example, MR data at the first time) of the user terminal at the first time, the location information of the user terminal at the first time is the same as or similar to the location information corresponding to the first service information, and at this time, the electronic device may determine the location information corresponding to the first service information as the location information of the user terminal at the first time.
In the embodiment of the application, the location information can include longitude and latitude information, residence community name, building number or floor.
S103, the electronic equipment determines the corresponding quantity of each piece of position information in the plurality of pieces of position information in a preset time length.
The corresponding number of the preset position information in the preset time length is the number of the times of the preset position information in a plurality of times of the user terminal, the preset position information is one of the plurality of position information, and the preset time length comprises the plurality of times.
S104, the electronic equipment determines the target position information as the position information of the user terminal.
Among the plurality of pieces of position information, the target position information is the position information with the largest corresponding quantity within the preset time length.
It should be understood that, the greater the number of corresponding location information in the preset duration, the greater the time of the location information in the preset duration, and when the number of corresponding target location information in the preset duration is the greatest, the greater the number of corresponding location information in the preset duration, the greater the number of corresponding location information in the target location information, and at this time, the electronic device may determine the target location information as the location information of the user terminal.
In the embodiment of the application, the position information of the user terminal can be understood as the position information of the user corresponding to the user terminal, and the position information of the user terminal in the preset time period can be understood as the resident position information of the user in the preset time period.
For example, assuming that the preset duration includes 5 times, namely, time 1, time 2, time 3, time 4 and time 5, the position information corresponding to the time 1 is the position information 1, the position information corresponding to the time 2 is the position 1, the position information corresponding to the time 3 is the position 1, the position information corresponding to the time 4 is the position 2, and the position information corresponding to the time 5 is the position 3, at this time, the electronic device may determine that the number of positions 1 corresponding to the preset duration is 3, the number of positions 2 corresponding to the preset duration is 1, the number of positions 3 corresponding to the preset duration is 1, and then determine the position 1 as the position information of the user terminal.
In an alternative implementation, the electronic device may determine an operational time interval and a rest time interval within a time period, then determine resident location information of the user within the operational time interval (i.e., location information of the workplace), and determine resident location information of the user within the rest time interval (i.e., location information of the residence).
Alternatively, one time period may be 24 hours, the working time interval may be 8:00-22:00 in each time period, and the rest time interval may be 22:00-8:00 in each time period.
The technical scheme provided by the embodiment at least has the following beneficial effects: as known from S101 to S104, the electronic device may acquire MR data of the user terminal at each of a plurality of moments, then determine, based on a cell identifier of a serving cell corresponding to the user terminal at each moment and a signal strength of the user terminal at each moment, location information corresponding to the user terminal at each moment from a preset correspondence, and then the electronic device may determine a number of correspondence of each location information within a preset duration, and determine the target location information as the location information of the user terminal. In the embodiment of the application, since the MR data at one moment includes the cell identifier of the serving cell and the signal strength, and the service information includes the cell identifier and the signal strength, the electronic device can determine one piece of service information and the position information corresponding to the service information from the preset corresponding relation based on the MR data at each moment, and determine the position information corresponding to the service information as the position information corresponding to the user terminal at the moment, and since the number of the target position information corresponding to the target position information in the preset time period is the largest, the electronic device determines the position information of the user terminal at more moments as the position information of the user terminal, thereby improving the effectiveness of the position determination of the user terminal.
Referring to fig. 1, as shown in fig. 2, the determining, by the electronic device, location information corresponding to each time of the user terminal from a preset correspondence relationship based on a cell identifier of a serving cell corresponding to each time of the user terminal and a signal strength of the user terminal at each time may specifically include S1021-S1023.
S1021, the electronic equipment determines at least one piece of service information from a preset corresponding relation based on the first cell identification.
The first cell identifier is a cell identifier of a serving cell corresponding to a first time by the user terminal, and the first time is one of the multiple times.
It should be understood that, for MR data of the user terminal at a certain time (e.g., a first time) of the multiple times, the electronic device may determine at least one service information from the preset correspondence relationship based on a cell identifier (i.e., a first cell identifier) of the serving cell corresponding to the first time included in the MR data of the first time.
It is understood that each of the at least one service information includes a cell identity identical to the first cell identity.
S1022, the electronic device determines the similarity between the first signal strength and the signal strength included in each of the at least one service information.
The first signal strength is the signal strength of the user terminal at the first moment.
It should be understood that the signal strength included in each service information is used to characterize the signal strength of the location information corresponding to each service information under the coverage of the cell corresponding to the first cell identity.
Alternatively, the electronic device may determine a difference between the first signal strength and the signal strength included in each of the service information, and then determine a similarity between the first signal strength and the signal strength included in each of the service information based on the difference, where a smaller difference indicates a greater similarity between the first signal strength and the signal strength included in each of the service information.
Alternatively, the electronic device may also determine a ratio between the first signal strength and the signal strength included in each service information, and then determine a similarity between the first signal strength and the signal strength included in each service information based on the ratio, where a greater ratio indicates a greater similarity between the first signal strength and the signal strength included in each service information.
S1023, under the condition that the target similarity is larger than or equal to a similarity threshold, the electronic equipment determines the first position information as the position information of the user terminal at the first moment.
The first location information is location information corresponding to first service information, the target similarity is greater than other similarities, the target similarity is a similarity between signal strength included in the first service information and the first signal strength, the other similarities are similarities between signal strength included in other service information and the first signal strength, and the other service information is service information except the first service information in the at least one service information.
It should be appreciated that in the case where the target similarity is greater than or equal to the similarity threshold, it is illustrated that the first signal strength is relatively similar to the signal strength included in the first service information.
It can be understood that, because the first signal strength is the signal strength of the ue under the coverage of the cell corresponding to the first cell identifier, and the signal strength included in the first service information is the signal strength of the first location information under the coverage of the cell corresponding to the first cell identifier, the electronic device may determine that the location information of the ue at the first moment is more similar to the location information corresponding to the first service information (i.e., the first location information).
It should be appreciated that in the case where the target similarity is greater than the other similarities, the first location information is illustrated as being most similar to the location information of the user terminal at the first time, and at this time, the electronic device may determine the first location information as the location information of the user terminal at the first time.
The technical scheme provided by the embodiment at least has the following beneficial effects: as known from S1021-S1023, the electronic device may determine at least one service information from a preset correspondence based on the first cell identifier, and then determine a similarity between the first signal strength and a signal strength included in each service information in the at least one service information, where the target similarity is greater than or equal to a similarity threshold, and where the target similarity is greater than other similarities, it is indicated that the first signal strength is most similar to the signal strength included in the first service information, and therefore, the electronic device may determine the location information corresponding to the first service information as the location information of the user terminal at the first moment. In the application, because the signal strength included in each service information is used for representing the signal strength of the location information corresponding to each service information covered by the cell corresponding to the first cell identifier, when the first signal strength is most similar to the signal strength included in the first service information, it is indicated that the location information of the user terminal at the first moment is most similar to the location information corresponding to the first service information (i.e., the first location information), and at this time, the electronic device determines the first location information as the location information of the user terminal at the first moment, so that the accuracy of determining the location information can be improved.
Referring to fig. 2, as shown in fig. 3, the above-mentioned location information determining method may specifically further include S1024-S1025.
And S1024, under the condition that the target similarity is smaller than a similarity threshold, the electronic equipment determines the cell type of the target cell.
The target cell is a serving cell corresponding to the user terminal at a first moment, and the cell type of one cell is a cell division cell or a macro station cell.
It should be understood that, in the case where the target similarity is smaller than the similarity threshold, it is indicated that the difference between the first signal strength and the signal strength included in the first service information is large, and the difference between the first location information and the location information of the user terminal at the first time is large, and the electronic device may determine that the first location information is less accurate as the location information of the user terminal at the first time, where the electronic device may determine the location information of the user terminal at the first time based on the serving cell corresponding to the user terminal at the first time.
Specifically, the electronic device may determine a cell type of the target cell.
In the embodiment of the application, the cell type of the serving cell corresponding to the user terminal is used for representing the position of the user terminal, when the cell type of the target cell is a cell division cell, the position of the user terminal is indicated to be indoor, and when the cell type of the target cell is a macro station cell, the position of the user terminal is indicated to be outdoor.
S1025, under the condition that the cell type of the target cell is a cell division cell, the electronic equipment determines the position information of the target cell as the position information corresponding to the user terminal at the first moment.
It should be noted that, the coverage area of the cell is smaller, and when the cell type of the target cell is the cell, it is indicated that the ue is within the coverage area of the cell, and at this time, the electronic device may determine the location information of the cell as the location information corresponding to the ue at the first time.
In an alternative implementation manner, in a case that the cell type of the target cell is a macro station cell, the electronic device may include a WiFi user terminal connection list of an identified wireless fidelity device of the user terminal, then determine location information of identifications of other user terminals in the WiFi user terminal connection list, and determine the location information of identifications of the other user terminals as location information of the user terminal.
In another optional implementation manner, the ue may not have MR data in the preset duration, at this time, the electronic device may acquire signaling data of the ue in the preset duration and at least one physical distribution address corresponding to the identifier of the ue, then determine whether the coverage area of the cell corresponding to the signaling data includes the at least one physical distribution address, and determine, when the coverage area of the cell corresponding to the signaling data includes a certain physical address, the certain physical distribution address as location information of the ue.
In another alternative implementation, the ue may not have MR data for a preset period of time, and the electronic device may further obtain minimization of drive tests (minimization of drive tests, MDT) data of the ue, and then determine location information of the ue according to the MDT data.
The following describes a location information determining method provided by an embodiment of the present application in one example.
In the embodiment of the application, the electronic device can determine the cell type of the target cell under the condition that the difference between the first position information and the position information of the user terminal at the first moment is large, and the accuracy of determining the position of the user can be improved under the condition that the cell type of the target cell is the cell type of the cell because the coverage range of the cell is smaller.
In an implementation manner of the embodiment of the present application, the signal strength included in the at least one service information includes a signal strength mean and a signal strength variance, and in conjunction with fig. 2, as shown in fig. 4, the method for determining location information provided in the embodiment of the present application further includes S1026.
S1026, the electronic device determines the position information corresponding to the first service information according to the signal intensity of the user terminal at each moment in a plurality of moments, the signal intensity mean value included in each service information, the signal intensity variance included in each service information and the weight parameter included in each service information.
It should be understood that the signal strength average value included in each service information is used for representing a signal strength value that can be received by the location information corresponding to the service information, the signal strength variance included in each service information is used for representing a degree of dispersion of the signal strength that can be received by the location information corresponding to the service information, and the weight parameter included in each service information is used for representing a weight of the signal strength that can be received by the location information corresponding to the service information.
In the embodiment of the present application, the electronic device may characterize the signal strength in the one service information based on gaussian distribution (i.e., the signal strength mean and the signal strength variance), and the electronic device may determine the signal strength mean and the signal strength variance included in the one service information according to MR data of each of the plurality of user terminals in the historical time period and the position information of the plurality of user terminals in the historical time period.
Specifically, the electronic device determines a plurality of MR data corresponding to the same location information, then determines at least one MR data having the same cell identity from the plurality of MR data, then determines a signal strength average value between signal strengths included in each of the at least one MR data, and determines a signal strength variance between signal strengths included in each of the at least one MR data.
It should be understood that the electronic device may further perform normalization processing on the number of occurrences of each cell identifier in the plurality of MR data, to obtain a weight parameter included in each service information.
Specifically, the electronic device may determine, as the weight parameter included in the service information corresponding to the certain cell identifier, a ratio between the number of MR data corresponding to the certain cell identifier in the plurality of MR data and the number of the plurality of MR data.
It can be understood that the electronic device may generate the preset corresponding relationship according to the each location information, the signal intensity average value corresponding to the each location information, the signal intensity variance corresponding to the each location information, and the weight parameter corresponding to the each location information.
For example, table 1 below is a preset correspondence stored in the electronic device, where the location information includes a residential cell number, a building number, and a floor number, the identifier of the user is an IMSI of the user, and the service information includes a cell identifier, a signal strength average value, a signal strength variance, and a weight parameter.
Table 1 preset correspondence
As shown in table 1, assuming that the signal strength of the user terminal at the first moment is S1, the similarity between S1 and the service information (identifier a, μ0, σ0, w 0) is the highest, the electronic device may determine that the service information (identifier a, μ0, σ0, w 0) is the first service information, and determine that the location information corresponding to the first service information is residential cell a, building 1, and floor 3.
In an alternative implementation, the electronic device may determine respective location information of the plurality of users based on home broadband installed addresses, order mailing addresses of the plurality of users, and then obtain MR data of the plurality of users based on respective user identifications of the plurality of users.
Optionally, the electronic device may also obtain the preset correspondence from a database.
In the embodiment of the application, whether the signal intensity of the user terminal at the first moment is similar to the service information or not can be determined based on the signal intensity value, the discrete degree of the signal intensity and the weight occupied by the signal intensity, and then the position information corresponding to the first service information with the maximum similarity between the signal intensity of the user terminal at the first moment is determined, so that the accuracy of similarity determination and the accuracy of the first service information determination can be improved, and the accuracy of the user terminal position determination is further improved.
In an implementation manner of the embodiment of the present application, the above-mentioned determining, according to the signal strength of the user terminal at each of the multiple moments, the signal strength average value included in each service information, the signal strength variance included in each service information, and the weight parameter included in each service information, the position information corresponding to the first service information may satisfy the following formula:
wherein F represents the position information corresponding to the first service information, S j Indicating that the user terminal is inSignal intensity at j-th moment, mu i Representing the mean value, sigma, of the signal strength included in the ith service information i 2 Representing the signal strength variance, W, included in the ith service information i The weight parameter included in the i-th service information is represented by i being an integer greater than or equal to 1, and j being an integer greater than or equal to 1.
In the embodiment of the application, the electronic device can accurately determine the position information of the first service information Wei Ying based on the formula, thereby determining the position information of the user terminal at each moment.
The position information determining method provided by the present application is described below in one example.
As shown in fig. 5, the location information determining method provided by the present application includes S201 to S209.
S201, MR data is acquired. Specifically, the electronic device acquires MR data of the user terminal, where the MR data includes a cell identifier of the cell a and a signal strength 1.
In the case where the electronic apparatus acquires MR data, S202 is performed. S202, extracting resident MR data. Specifically, the electronic device determines a resident cell identifier corresponding to the user identifier from the resident history library. It will be appreciated that the resident cell is the cell in which the serving cell of the ue is the cell most frequently in the history period. S203, MR positioning. Specifically, the electronic device determines the location information corresponding to the MR data based on the preset correspondence and the grid database.
In the case of matching to the position information, S204 is performed. S204, determining the MR resident location information. Specifically, the electronic device determines service information having a similarity greater than or equal to a similarity threshold with the MR data, and location information corresponding to the service information. In the case where the location information is not matched and the cell a is a cell division cell, S205 is performed. S205, determining indoor resident location information. Specifically, the electronic device determines the location information of the cell a as the location information of the user terminal.
In the case where the electronic apparatus does not acquire MR data, S206 is performed. S206, acquiring signaling data and a logistics address. In the case where the cell a is a cell division cell, S205 is performed. In the case where the cell a is a non-compartmented cell, S207 is performed. S207, determining the cell resident location information. Specifically, the electronic device determines the location information of the user terminal in combination with a user relationship table (e.g., a WiFi user terminal connection list).
S208, MDT data are acquired. Specifically, in the case where the electronic device does not acquire MR data, the electronic device may acquire MDT data of the user terminal. S209, determining longitude and latitude position information. Specifically, the electronic device determines longitude and latitude information of the user terminal based on the MDT data.
The position information determining method provided by the present application is described below in another example.
As shown in fig. 6, the location information determining method provided by the present application includes S301 to S313.
S301, acquiring MR data of a user. Specifically, MR data of a user terminal corresponding to a user is acquired. S302, identifying the resident MR. Specifically, MR data corresponding to the resident cell of the user terminal is determined from the MR data of the user terminal. S303, identifying the resident floors of the users. Specifically, the resident floor of the user is determined according to the mailing address of the user's order, the installed address of the broadband machine, or the address of the WiFi junction box. S304, user, floor, MR association. Specifically, according to the identification of the user terminal, the resident floor of the user is associated with the resident MR data of the user terminal.
S305, MDT data of the user is acquired. Specifically, MDT data of the user terminal is obtained. S306, resident MDT identification. Specifically, the electronic device determines longitude and latitude information of the resident user terminal. S307, acquiring the resident residential district of the user. S308, user, floor, MDT association. Specifically, the electronic device associates the residential cell of the user with the MDT data based on the identification of the user. S309, a fingerprint mathematical model. Specifically, the electronic equipment inputs the associated users, floors and data and the associated users, floors and MDT data into a fingerprint mathematical model to generate a preset corresponding relation.
S310, acquiring a user MR to be identified. Specifically, the electronic device acquires MR data of a user terminal corresponding to the user to be identified at each of a plurality of moments. S311, identifying the resident MR. Specifically, the cell identifier with the largest amount of MR data corresponding to the same cell identifier is determined. S312, single MR floor positioning. Specifically, the electronic device determines the position information corresponding to each MR. S313, positioning the user floor. Specifically, the electronic device determines the location information of the user based on the location information corresponding to each MR.
In an alternative implementation, the embodiment of the present application provides that the location information determining method may be applied to a location information determining system.
As shown in fig. 7, the location information determining system includes a data layer, a data fusion layer, an application fusion layer, and a service layer. The data layer comprises a real-time stream acquisition and calculation module and a non-real-time acquisition and calculation module, and can be accessed into signaling data, MR/MDT data, base station industrial parameter data, a user detailed address, user residence historical data and fence data, and then real-time stream acquisition and calculation and non-real-time acquisition and calculation are carried out to prepare data of the data fusion layer. Specifically, the electronic device may access the signaling data based on an S1-MME interface; the user detailed address comprises a home wide address, a bill address and an identity card address; the user residence history data includes data of residence in a user history period; the fence data includes cell fence data and building fence data.
The data fusion layer comprises a floor positioning model and a user resident identification model position data model. The floor positioning model can be used for residence community positioning, building positioning, floor positioning, base station positioning, indoor partition community positioning and MDT positioning; the user resident location recognition model can recognize the user resident feature time, the user daily resident location cell, the user resident location, the user work feature time, the user daily work location cell and the user work location; the location data model includes an industrial parameter location model, a signaling location model, an MR location model, an MDT location model, a user address location model, a cell location model, a building location model, and a floor location model. The data fusion layer is used for carrying out data processing, and specifically, carrying out data analysis and standardization, user address analysis mining, user address validity identification, building and cell fence data matching, network cell and residence cell relation moment and position coordinate system conversion.
The application fusion layer comprises a user work place identification module and a user residence place identification module. The user workplace identification module can identify a user workplace network cell, a user workplace fence area, a user workplace building and a user workplace building floor; the user residence identification module may identify a user residence network cell, a user residence residential cell, a user residence building, and a user residence building floor. The application fusion layer is used for dividing and fusing the user workplace and the residence place to form user residence place information and user workplace information.
The service layer comprises a data interface (specifically comprising an API interface and a REST interface) and a visual interface, wherein the visual interface can directly display information in a manner of statistical report forms, analysis report forms, detailed information, presentation of a geoscience information system (geographic information system, GIS) and the like.
The embodiment of the application can divide the functional modules of the electronic equipment and the like according to the method example, for example, each functional module can be divided corresponding to each function, and two or more functions can be integrated in one processing module. The integrated modules may be implemented in hardware or in software functional modules. It should be noted that, in the embodiment of the present application, the division of the modules is schematic, which is merely a logic function division, and other division manners may be implemented in actual implementation.
In the case of dividing the respective functional modules with the respective functions, fig. 8 shows a schematic diagram of one possible configuration of the position information determining apparatus involved in the above-described embodiment, as shown in fig. 8, the position information determining apparatus 10 may include: an acquisition module 101 and a determination module 102.
The acquiring module 101 is configured to acquire MR data of a user terminal at each of multiple times, where the MR data of the user terminal at one time includes a cell identifier of a serving cell corresponding to the user terminal at the time and a signal strength of the user terminal at the time.
A determining module 102, configured to determine, from a preset correspondence, location information corresponding to the user terminal at each time, where the preset correspondence includes a plurality of service information and location information corresponding to each of the plurality of service information, where one service information includes one cell identifier and one signal strength, based on a cell identifier of a service cell corresponding to the user terminal at each time and a signal strength of the user terminal at each time.
The determining module 102 is further configured to determine a number of each of the plurality of pieces of location information corresponding to a preset time period, where the number of pieces of location information corresponding to the preset time period is a number of times when the user terminal is at the preset location information, the preset location information is one of the plurality of pieces of location information, and the preset time period includes the plurality of times.
The determining module 102 is further configured to determine target location information as location information of the user terminal, where the target location information is the location information with the largest number of locations corresponding to the plurality of location information within the preset duration.
Optionally, the determining module 102 is specifically configured to determine at least one service information from the preset correspondence relationship based on a first cell identifier, where the first cell identifier is a cell identifier of a serving cell corresponding to the user terminal at a first time, and the first time is one of the multiple times.
The determining module 102 is further specifically configured to determine a similarity between a first signal strength and a signal strength included in each service information in the at least one service information, where the first signal strength is a signal strength of the ue at the first time.
The determining module 102 is further specifically configured to determine, when the target similarity is greater than or equal to a similarity threshold, the first location information as location information corresponding to the first service information at the first time, where the first location information is location information corresponding to the first service information, the target similarity is greater than other similarities, where the target similarity is a similarity between a signal strength included in the first service information and the first signal strength, and the other similarities are similarities between a signal strength included in other service information and the first signal strength, and the other service information is service information other than the first service information in the at least one service information.
Optionally, the determining module 102 is further specifically configured to determine a cell type of a target cell, where the target cell is a serving cell corresponding to the ue at the first time, and the cell type of one cell is a cell division cell or a macro station cell, if the target similarity is less than the similarity threshold.
The determining module 102 is further specifically configured to determine, when the cell type of the target cell is a cell division cell, the location information of the target cell as the location information corresponding to the user terminal at the first time.
Optionally, the signal strength included in each service information in the at least one service information is composed of a signal strength mean value and a signal strength variance, and a weight parameter is further included in one service information.
The determining module 102 is further specifically configured to determine the location information corresponding to the first service information according to the signal strength of the user terminal at each of the multiple times, the signal strength average value included in each service information, the signal strength variance included in each service information, and the weight parameter included in each service information.
Optionally, the determining module 102 is further specifically configured to determine that the location information corresponding to the first service information satisfies the following formula:
The method comprises the steps of representing position information corresponding to first service information, representing signal intensity of a user terminal at a j-th moment, representing signal intensity mean value included in the i-th service information, representing signal intensity variance included in the i-th service information, representing weight parameters included in the i-th service information, wherein i is an integer greater than or equal to 1, and j is an integer greater than or equal to 1.
In the case of using an integrated unit, fig. 9 shows a schematic diagram of one possible configuration of the position information determining apparatus involved in the above-described embodiment. As shown in fig. 9, the position information determining apparatus 20 may include: a processing module 201 and a communication module 202. The processing module 201 may be used to control and manage the actions of the position information determining apparatus 20. The communication module 202 may be used to support communication of the location information determining device 20 with other entities. Alternatively, as shown in fig. 9, the location information determining apparatus 20 may further include a storage module 203 for storing program codes and data of the location information determining apparatus 20.
Wherein the processing module 201 may be a processor or a controller. The communication module 202 may be a transceiver, a transceiver circuit, a communication interface, or the like. The storage module 203 may be a memory.
When the processing module 201 is a processor, the communication module 202 is a transceiver, and the storage module 203 is a memory, the processor, the transceiver, and the memory may be connected through a bus. The bus may be a peripheral component interconnect standard (peripheral component interconnect, PCI) bus or an extended industry standard architecture (extended industry standard architecture, EISA) bus, or the like. The buses may be divided into address buses, data buses, control buses, etc.
It should be understood that, in various embodiments of the present application, the sequence numbers of the foregoing processes do not mean the order of execution, and the order of execution of the processes should be determined by the functions and internal logic thereof, and should not constitute any limitation on the implementation process of the embodiments of the present application.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
It will be clear to those skilled in the art that, for convenience and brevity of description, specific working procedures of the above-described systems, apparatuses and units may refer to corresponding procedures in the foregoing method embodiments, and are not repeated herein.
The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In the above embodiments, it may be implemented in whole or in part by software, hardware, firmware, or any combination thereof. When implemented using a software program, it may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When the computer program instructions are loaded and executed on a computer, the processes or functions described in accordance with embodiments of the present application are produced in whole or in part. The computer may be a general purpose computer, a special purpose computer, a computer network, or other programmable apparatus. The computer instructions may be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, the computer instructions may be transmitted from one website, computer, server, or data center to another website, computer, server, or data center by a wired (e.g., coaxial cable, fiber optic, digital subscriber terminal line (Digital Subscriber Line, DSL)) or wireless (e.g., infrared, wireless, microwave, etc.) means. The computer readable storage medium may be any available medium that can be accessed by a computer or a data storage device including one or more servers, data centers, etc. that can be integrated with the medium. The usable medium may be a magnetic medium (e.g., a floppy Disk, a hard Disk, a magnetic tape), an optical medium (e.g., a DVD), or a semiconductor medium (e.g., a Solid State Disk (SSD)), or the like.
The foregoing is merely illustrative of the present application, and the present application is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (12)

1. A position information determination method, comprising:
acquiring measurement report MR data of a user terminal at each of a plurality of moments, wherein the MR data of the user terminal at one moment comprises a cell identifier of a serving cell corresponding to the user terminal at the moment and signal intensity of the user terminal at the moment;
determining position information corresponding to the user terminal at each moment from a preset corresponding relation based on a cell identifier of a service cell corresponding to the user terminal at each moment and signal intensity of the user terminal at each moment, wherein the preset corresponding relation comprises a plurality of service information and position information corresponding to the plurality of service information, and one service information comprises one cell identifier and one signal intensity;
Determining the corresponding number of each piece of position information in a plurality of pieces of position information in a preset time period, wherein the corresponding number of the pieces of position information in the preset time period is the number of the pieces of position information in the preset time period, the corresponding piece of position information is the number of the pieces of position information in the preset time period, the preset position information is one piece of the pieces of position information, and the preset time period comprises the plurality of times;
and determining target position information as position information of the user terminal, wherein the target position information is the position information with the largest number corresponding to the plurality of position information in the preset time duration.
2. The method according to claim 1, wherein the determining the location information corresponding to the ue at each time from the preset correspondence based on the cell identifier of the serving cell corresponding to the ue at each time and the signal strength of the ue at each time includes:
determining at least one service information from the preset corresponding relation based on a first cell identifier, wherein the first cell identifier is a cell identifier of a service cell corresponding to a first time of the user terminal, and the first time is one of the multiple times;
Determining the similarity between a first signal strength and a signal strength included in each piece of service information in the at least one piece of service information, wherein the first signal strength is the signal strength of the user terminal at the first moment;
and under the condition that the target similarity is greater than or equal to a similarity threshold, determining first position information as position information corresponding to the first time of the user terminal, wherein the first position information is position information corresponding to first service information, the target similarity is greater than other similarities, the target similarity is the similarity between the signal intensity included in the first service information and the first signal intensity, the other similarities are the similarities between the signal intensity included in other service information and the first signal intensity, and the other service information is the service information except the first service information in the at least one service information.
3. The position information determination method according to claim 2, characterized in that the method further comprises:
determining a cell type of a target cell under the condition that the target similarity is smaller than the similarity threshold, wherein the target cell is a serving cell corresponding to the user terminal at a first moment, and the cell type of one cell is a cell division cell or a macro station cell;
And determining the position information of the target cell as the position information corresponding to the user terminal at the first moment when the cell type of the target cell is a cell division cell.
4. The method of determining location information according to claim 2, wherein each of the at least one service information includes a signal strength consisting of a signal strength mean and a signal strength variance, and a weight parameter, the method further comprising:
and determining the position information corresponding to the first service information according to the signal intensity of the user terminal at each moment in the plurality of moments, the signal intensity mean value included in each service information, the signal intensity variance included in each service information and the weight parameter included in each service information.
5. The method according to claim 4, wherein determining the location information corresponding to the first service information according to the signal strength of the user terminal at each of the plurality of times, the signal strength average value included in each service information, the signal strength variance included in each service information, and the weight parameter included in each service information, comprises:
Determining that the position information corresponding to the first service information satisfies the following formula:
wherein F represents the position information corresponding to the first service information, S j Represents the signal strength, mu, of the user terminal at the j-th moment i Representing the mean value, sigma, of the signal strength included in the ith service information i 2 Representing a letter included in the ith service informationVariance of number intensity, W i The weight parameter included in the i-th service information is represented by i being an integer greater than or equal to 1, and j being an integer greater than or equal to 1.
6. A position information determining apparatus, comprising: an acquisition module and a determination module;
the acquisition module is configured to acquire measurement report MR data of a user terminal at each of multiple moments, where the MR data of the user terminal at one moment includes a cell identifier of a serving cell corresponding to the user terminal at the moment and a signal strength of the user terminal at the moment;
the determining module is configured to determine, based on a cell identifier of a serving cell corresponding to each time of the user terminal and a signal strength of the user terminal at each time, location information corresponding to each time of the user terminal from a preset correspondence, where the preset correspondence includes a plurality of service information and location information corresponding to each of the plurality of service information, and one service information includes one cell identifier and one signal strength;
The determining module is further configured to determine a number of each piece of location information in a preset duration, where the number of pieces of location information in the preset duration corresponds to the number of times when the user terminal is in the preset location information, the corresponding piece of location information is one piece of location information, and the preset duration includes the multiple times;
the determining module is further configured to determine target location information as location information of the user terminal, where the target location information is the location information with the largest number of locations corresponding to the plurality of location information within the preset duration.
7. The position information determining apparatus according to claim 6, wherein,
the determining module is specifically configured to determine at least one service information from the preset correspondence based on a first cell identifier, where the first cell identifier is a cell identifier of a serving cell corresponding to a first time of the user terminal, and the first time is one of the multiple times;
the determining module is further specifically configured to determine a similarity between a first signal strength and a signal strength included in each piece of service information in the at least one piece of service information, where the first signal strength is a signal strength of the user terminal at the first moment;
The determining module is further specifically configured to determine, when a target similarity is greater than or equal to a similarity threshold, a first location information as location information corresponding to the first service information at the first time, where the first location information is location information corresponding to the first service information, the target similarity is greater than other similarities, the target similarity is a similarity between signal strength included in the first service information and the first signal strength, the other similarities are similarities between signal strength included in other service information and the first signal strength, and the other service information is service information other than the first service information in the at least one service information.
8. The position information determining apparatus according to claim 7, wherein,
the determining module is further specifically configured to determine a cell type of a target cell, where the target cell is a serving cell corresponding to the ue at a first time, and the cell type of one cell is a cell division cell or a macro station cell, where the target similarity is smaller than the similarity threshold;
the determining module is further specifically configured to determine, when the cell type of the target cell is a cell division cell, location information of the target cell as location information corresponding to the user terminal at the first time.
9. The apparatus according to claim 7, wherein each of the at least one service information includes a signal strength consisting of a signal strength mean and a signal strength variance, a weight parameter is further included in one service information,
the determining module is further specifically configured to determine, according to a signal strength of the user terminal at each of the plurality of moments, a signal strength average value included in each service information, a signal strength variance included in each service information, and a weight parameter included in each service information, position information corresponding to the first service information.
10. The position information determining apparatus according to claim 9, wherein,
the determining module is further specifically configured to determine that the location information corresponding to the first service information satisfies the following formula:
wherein F represents the position information corresponding to the first service information, S j Represents the signal strength, mu, of the user terminal at the j-th moment i Representing the mean value, sigma, of the signal strength included in the ith service information i 2 Representing the signal strength variance, W, included in the ith service information i The weight parameter included in the i-th service information is represented by i being an integer greater than or equal to 1, and j being an integer greater than or equal to 1.
11. An electronic device, the electronic device comprising:
a processor;
a memory configured to store the processor-executable instructions;
wherein the processor is configured to execute the instructions to implement the location information determination method of any of claims 1-5.
12. A computer readable storage medium having instructions stored thereon, which, when executed by an electronic device, cause the electronic device to perform the location information determining method of any of claims 1-5.
CN202310701669.2A 2023-06-13 2023-06-13 Position information determining method and device, electronic equipment and storage medium Pending CN116782135A (en)

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CN202310701669.2A CN116782135A (en) 2023-06-13 2023-06-13 Position information determining method and device, electronic equipment and storage medium

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