CN112399342B - Emergency base station position selection method, system, terminal equipment and storage medium - Google Patents
Emergency base station position selection method, system, terminal equipment and storage medium Download PDFInfo
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- CN112399342B CN112399342B CN202011392597.0A CN202011392597A CN112399342B CN 112399342 B CN112399342 B CN 112399342B CN 202011392597 A CN202011392597 A CN 202011392597A CN 112399342 B CN112399342 B CN 112399342B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/023—Services making use of location information using mutual or relative location information between multiple location based services [LBS] targets or of distance thresholds
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- H—ELECTRICITY
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- H—ELECTRICITY
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- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/025—Services making use of location information using location based information parameters
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- H—ELECTRICITY
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Abstract
The present disclosure provides a method, a system, a terminal device and a storage medium for selecting a location of an emergency base station, wherein the method includes: acquiring a first position coordinate data set of a user terminal; determining a first center position coordinate based on the first position coordinate data set; and selecting the first central position coordinate as the placing position of the emergency base station. The embodiment of the disclosure achieves the purpose of scientifically planning the deployment position of the emergency base station by determining the center position coordinate of the position coordinate data set based on the user terminal and selecting the center position coordinate as the placement position of the emergency base station, and at least solves the problems that the current emergency base station deployment cannot achieve the communication guarantee effect or causes communication resource waste and the like.
Description
Technical Field
The present disclosure relates to the field of communications technologies, and in particular, to a method for selecting a location of an emergency base station, a system for selecting a location of an emergency base station, a terminal device, and a computer-readable storage medium.
Background
With the continuous development of wireless communication technology, especially in the current fifth generation communication age (5G), the coverage area of the base station will be greatly reduced due to the higher frequency of the 5G communication technology. In an emergency security scenario, for example, communication security, extreme disasters, capacity requirements, etc., an emergency base station is usually required to be built to ensure emergency communication requirements. However, at present, there is no planning scheme for the placement position of the emergency base station, which results in deployment of the emergency base station not reaching a communication guarantee effect or causing waste of communication resources, and therefore, a scheme for scientifically planning the placement position of the emergency base station is urgently needed to solve the above problems.
Disclosure of Invention
The disclosure provides a method, a system, a terminal device and a computer readable storage medium for selecting the position of an emergency base station, which are used for scientifically planning the placement position of the emergency base station so as to guarantee the emergency communication requirement.
According to an aspect of the embodiments of the present disclosure, a method for selecting a location of an emergency base station is provided, including:
acquiring a first position coordinate data set of a user terminal;
determining a first center position coordinate based on the first position coordinate data set; and the number of the first and second groups,
and selecting the first central position coordinate as the placement position of the emergency base station.
In one embodiment, the acquiring the first position coordinate data set of the user terminal includes:
collecting geographic position coordinates of all user terminals at a certain time point in a preset time period in a preset area; and the number of the first and second groups,
a first position coordinate dataset of the user terminal is obtained based on the geographical position coordinates of all the user terminals.
In one embodiment, the method further comprises:
acquiring the coverage radius of the emergency base station;
said determining a first center position coordinate based on said first position coordinate data set comprises:
randomly selecting a certain position coordinate from the first position coordinate data set as an initial central position coordinate;
selecting all position coordinates with the distance less than or equal to the coverage radius of the emergency base station from the first position coordinate data set based on the initial center position coordinate to obtain a second position coordinate data set;
calculating the vector sum of the initial central position coordinate to all position coordinates in the second position coordinate data set;
moving the initial central position coordinate along the direction of the vector sum to obtain an offset value of the initial central position coordinate;
and judging whether the deviation value is zero, and if the deviation value is zero, determining the initial central position coordinate as a first central position coordinate.
In one embodiment, after determining whether the offset value is zero, the method further includes:
if the deviation value is not zero, determining a new initial central position coordinate; and the number of the first and second groups,
and returning to the step of obtaining a second position coordinate data set based on the new initial central position coordinate, and determining the new initial central position coordinate as the first central position coordinate until the deviation value of the new initial central position coordinate is judged to be zero.
In one embodiment, the determining new initial center position coordinates comprises:
and determining a position coordinate point to which the initial center position coordinate is moved in the direction of the vector sum as a new initial center position coordinate.
In one embodiment, after selecting the first center position coordinate as the placement position of the emergency base station, the method further includes:
judging whether other communication emergency base stations are required to be placed besides the emergency base station;
if so, deleting the first central position coordinate and all position coordinates of which the distance from the first central position coordinate to the first central position coordinate is less than or equal to the coverage radius of the emergency base station in the first position coordinate data set to obtain a third position coordinate data set;
determining a second center position coordinate based on the third position coordinate data set; and (c) a second step of,
and selecting the second central position coordinate as the placing position of other communication emergency base stations.
In one embodiment, after determining the second center position coordinate based on the third position coordinate data set and before selecting the second center position coordinate as the placement position of the other communication emergency base station, the method further comprises:
judging whether the distance between the second center position coordinate and the first center position coordinate is larger than the communication radius of other communication emergency base stations or not;
and if the center position coordinate is larger than the communication radius of the other communication emergency base stations, executing the step of selecting the second center position coordinate as the placing position of the other communication emergency base stations.
Still other according to another aspect of the embodiments of the present disclosure, there is provided an emergency base station location selection system, including:
an acquisition module configured to acquire a first position coordinate dataset of a user terminal;
a determination module arranged to determine a first center position coordinate based on the first position coordinate data set; and (c) a second step of,
a selection module configured to select the first center position coordinate as a placement position of an emergency base station.
According to still another aspect of the embodiments of the present disclosure, there is provided a terminal device including a memory and a processor, the memory having a computer program stored therein, and the processor executing the emergency base station location selection method when the processor runs the computer program stored in the memory.
According to still another aspect of the embodiments of the present disclosure, there is provided a computer-readable storage medium having a computer program stored thereon, wherein when the computer program is executed by a processor, the processor performs the method for selecting a location of an emergency base station.
The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects:
according to the method, the system, the terminal device and the storage medium for selecting the position of the emergency base station, a first position coordinate data set of a user terminal is obtained; determining a first center position coordinate based on the first position coordinate data set; and selecting the first central position coordinate as the placing position of the emergency base station. The embodiment of the disclosure achieves the purpose of scientifically planning the deployment position of the emergency base station by determining the center position coordinate of the position coordinate data set based on the user terminal and selecting the center position coordinate as the placement position of the emergency base station, and at least solves the problems that the current emergency base station deployment cannot achieve the communication guarantee effect or causes communication resource waste and the like.
Additional features and advantages of the disclosure will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the disclosure. The objectives and other advantages of the disclosure may be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
The accompanying drawings are included to provide a further understanding of the disclosed embodiments and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the example serve to explain the principles of the disclosure and not to limit the disclosure.
Fig. 1 is a schematic flowchart of a method for selecting a location of an emergency base station according to an embodiment of the present disclosure;
fig. 2 is a flowchart illustrating a method for selecting a location of an emergency base station according to another embodiment of the disclosure;
fig. 3 is a flowchart illustrating a method for selecting a location of an emergency base station according to another embodiment of the disclosure;
fig. 4 is a second flowchart illustrating a method for selecting a location of an emergency base station according to another embodiment of the disclosure;
fig. 5 is a schematic structural diagram of a system for selecting a location of an emergency base station according to an embodiment of the present disclosure;
fig. 6 is a schematic structural diagram of a terminal device according to an embodiment of the present disclosure.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, specific embodiments of the present disclosure are described below in detail with reference to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.
It should be noted that the terms "first," "second," and the like in the description and claims of the present disclosure and in the above-described drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order; also, the embodiments and features of the embodiments in the present disclosure may be arbitrarily combined with each other without conflict.
In the following description, suffixes such as "module", "component", or "unit" used to denote elements are used only for the convenience of explanation of the present disclosure, and have no specific meaning in themselves. Thus, "module", "component" or "unit" may be used mixedly.
In the emergency communication guarantee scene, the 5G emergency base station should be selected at a position where the user density is high and concentrated, and the position is far away from the area where the user density is high, which may not play a role of communication guarantee, resulting in waste of resources. In the embodiment, the position of the user is analyzed and processed by means of data analysis, and the position of the reasonably arranged 5G emergency base station is selected, so that the emergency base station can meet the requirement of ensuring communication after being deployed, and meanwhile, resource waste is avoided.
Referring to fig. 1, fig. 1 is a schematic flowchart illustrating a method for selecting a location of an emergency base station according to an embodiment of the present disclosure, where the method includes steps S101 to S103.
In step S101, a first position coordinate data set of the user terminal is acquired.
In the 5G application scenario, the user terminal is a mobile terminal that receives a 5G signal. Specifically, step S101 includes the steps of:
collecting geographic position coordinates of all user terminals at a certain time point in a preset time period in a preset area; and the number of the first and second groups,
a first position coordinate dataset of the user terminal is obtained based on the geographical position coordinates of all the user terminals.
For example, in a certain large field activity, a base station cannot meet a 5G communication requirement, and a 5G emergency communication base station needs to be deployed, in this embodiment, a user position coordinate data set X, that is, the first position coordinate data set, is obtained by collecting a geographic position coordinate of a mobile terminal that uses a 5G signal at a certain time point in a time period in which a 5G communication emergency guarantee needs to be performed in the large field activity area.
In step S102, a first center position coordinate is determined based on the first position coordinate data set.
Specifically, the first position coordinate data set is clustered by a clustering algorithm to obtain a position with higher user density, and the position is determined as a first center position coordinate, where clustering the first position coordinate data set can be understood by combining with the following embodiments, and details are not repeated here.
In step S103, the first center position coordinate is selected as a placement position of the emergency base station.
Compared with the existing 5G emergency base station deployment without a specific planning scheme, the emergency base station deployment method and the emergency base station deployment device have the advantages that the appropriate emergency base station placement position is selected by analyzing the distribution situation of the user, emergency base station deployment personnel deploy the base station according to the placement position, the 5G emergency communication requirement can be effectively guaranteed, and meanwhile, the waste of resources is avoided.
Referring to fig. 2, fig. 2 is a schematic flow chart of another emergency base station location selection method according to an embodiment of the present disclosure, where on the basis of the previous embodiment, this embodiment further illustrates a scheme for determining a coordinate of a first center location, specifically, this embodiment further includes step S201, and step S102 is further divided into steps S1021-S1027.
In step S201, a coverage radius of the emergency base station is obtained.
It can be understood that the coverage radius of the base station is determined according to the tower height, the size, and other factors of the emergency base station to be deployed, and the coverage radius of the emergency base station to be deployed in this embodiment is set to R.
Said step S102 comprises steps S1021-S1027.
In step S1021, a position coordinate is randomly selected from the first position coordinate data set as an initial center position coordinate.
Specifically, a position coordinate data set X is imported, the position coordinate data set X is used as an initial data set for selecting placement coordinates of the 5G emergency communication base station, and 1 coordinate is randomly selected from the position coordinate data set X to serve as an initial center position coordinate C.
In step S1022, all the position coordinates whose distance from the first position coordinate data set is less than or equal to the coverage radius of the emergency base station are selected from the first position coordinate data set based on the initial center position coordinate, so as to obtain a second position coordinate data set.
In this embodiment, the coordinates of all the position coordinate points in the position coordinate data set X whose distance from C is within R are found according to the coverage of the emergency base station, and are counted as a set M, that is, a second position coordinate data set.
In step S1023, the vector sum of the initial center position coordinates to all the position coordinates in the second position coordinate data set is calculated.
Specifically, with C as the center point, vectors from C to each coordinate position in the set M are calculated, and these vectors are added to obtain a vector sum S.
In step S1024, the initial center position coordinate is moved along the direction of the vector sum, so as to obtain an offset value of the initial center position coordinate.
Specifically, C moves along the direction of the vector S, and its moving distance (i.e., offset value) | S |, if | S | is 0, it indicates that the location of C is already at the center position, deployment of the emergency base station at the location can meet the emergency communication requirement in the area, C is selected as the placement location of the emergency base station, and for | S | is not 0, it indicates that there are other location coordinates in the area that are more suitable for placing the emergency base station, and it is necessary to determine the center location coordinate point again.
In step S1025, it is determined whether the offset value is zero, and if the offset value is zero, step S1026 is performed, otherwise, step S1027 is performed.
In step S1026, the initial center position coordinates are determined as first center position coordinates.
In step S1027, a new initial center position coordinate is determined, and the process returns to step S1022 until the offset value of the new initial center position coordinate is determined to be zero, and the new initial center position coordinate is determined as the first center position coordinate.
Specifically, the determining new initial center position coordinates includes:
and determining a position coordinate point to which the initial center position coordinate is moved in the direction of the vector sum as a new initial center position coordinate.
In this embodiment, a new initial center position coordinate is re-determined based on the offset condition of the initial center position coordinate, so as to improve the determination efficiency of the center position coordinate, it can be understood that, when | S | is not 0, C '= C + S, where C' is the newly determined initial center position coordinate, if the position of C 'is offset, the above steps are repeatedly performed, it is known that the determined initial center position coordinate is no longer offset, that is, S infinitely approaches to zero, the position coordinate of C' at this time is recorded, and the position can be used as a hot spot position where a 5G emergency base station is reasonably placed.
It can be understood that, in practical applications, C moves along the vector and S directions, and there are few cases where C is not offset at all, and in order to reduce the complexity of the operation, the offset value in this embodiment is zero, which may be an infinite offset value approaching zero.
Referring to fig. 3, fig. 3 is a schematic flow chart of a method for selecting a location of an emergency base station according to an embodiment of the present disclosure, which further considers a situation that a plurality of emergency base stations need to be deployed in an actual application compared to the previous embodiment, and specifically, after step S103, steps S301 to S304 are further included.
In step S301, it is determined whether other emergency base stations need to be placed besides the emergency base station, if yes, step S302 is executed, otherwise, the process is ended;
in step S302, deleting the first center position coordinate and all position coordinates whose distance from the first center position coordinate is less than or equal to the coverage radius of the emergency base station in the first position coordinate data set to obtain a third position coordinate data set;
in step S303, determining a second center position coordinate based on the third position coordinate data set; and (c) a second step of,
in step S304, the second center position coordinates are selected as the placement positions of other communication emergency base stations.
In this embodiment, for the position selection of the multiple 5G emergency base stations, the obtained center C and the user coordinates covered within the coverage radius R thereof are removed to form a new data set X1, the above algorithm is continued to obtain a new placement position C1, and so on.
When the location planning of multiple emergency base stations is performed, since distances between the multiple base stations are not considered, deployment of the emergency base stations may be too dense, and in order to avoid waste of emergency base station resources, in this embodiment, before determining deployment locations of other emergency base stations, the coverage radius of the emergency communication base station is compared with the coverage radius already determined, and only the distance between the two exceeds the coverage radius, the deployment location of the other emergency base stations is performed, specifically, as shown in fig. 4, after step S303 and before step S304, step S401 is further included.
In step S401, it is determined whether the distance between the second center position coordinate and the first center position coordinate is greater than the communication radius of the other communication emergency base station, if so, the step S304 is executed to select the second center position coordinate as the placement position of the other communication emergency base station, otherwise, the process is ended, and the initial center point may be reselected and the calculation may be performed again to obtain a more suitable emergency base station deployment position.
Based on the same technical concept, the embodiment of the present disclosure correspondingly provides a system for selecting the location of an emergency base station, as shown in fig. 5, the system includes an obtaining module 51, a determining module 52, and a selecting module 53, wherein,
the obtaining module 51 is configured to obtain a first position coordinate data set of the user terminal;
the determination module 52 arranged to determine a first center position coordinate based on the first position coordinate data set; and the number of the first and second groups,
the selection module 53 is configured to select the first center position coordinate as a placement position of the emergency base station.
Further, the obtaining module 51 includes:
the system comprises an acquisition unit, a processing unit and a display unit, wherein the acquisition unit is set to acquire the geographic position coordinates of all user terminals at a certain time point in a preset time period in a preset area; and the number of the first and second groups,
a first obtaining unit configured to obtain a first location coordinate dataset of the user terminal based on the geographical location coordinates of all user terminals.
Further, the obtaining module 51 is further configured to obtain a coverage radius of the emergency base station;
the determining module 52 includes:
a selecting unit configured to randomly select a certain position coordinate from the first position coordinate data set as an initial center position coordinate;
a second obtaining unit configured to select, from the first position coordinate data set, all position coordinates whose distance from the first position coordinate data set is less than or equal to a coverage radius of the emergency base station based on the initial center position coordinate, to obtain a second position coordinate data set;
a calculation unit arranged to calculate a vector sum of the initial center position coordinates to all position coordinates in the second position coordinate data set;
a third obtaining unit configured to move the initial center position coordinate along the direction of the vector sum to obtain an offset value of the initial center position coordinate;
a judging unit configured to judge whether the offset value is zero;
a determination unit configured to determine the initial center position coordinate as a first center position coordinate when the determination unit determines that the offset value is zero.
Further, the determining unit is further configured to determine a new initial center position coordinate after the judging unit judges that the offset value is not zero; and the number of the first and second groups,
a return execution unit configured to return the step of obtaining the second position coordinate data set based on the new initial center position coordinate until the new initial center position coordinate is determined to have a zero offset value, and determine the new initial center position coordinate as the first center position coordinate.
Further, the determination unit is specifically configured to determine, as a new initial center position coordinate, a position coordinate point to which the initial center position coordinate is moved in the direction of the vector sum.
Further, the system further comprises:
the judging module is arranged for judging whether other emergency base stations need to be placed besides the emergency base station or not after the selecting module selects the first center position coordinate as the placing position of the emergency base station;
a deleting module configured to delete the first center position coordinate and all position coordinates having a distance from the first center position coordinate less than or equal to the coverage radius of the emergency base station from the first position coordinate data set, so as to obtain a third position coordinate data set;
the determination module is further configured to determine a second center position coordinate based on the third position coordinate data set; and the number of the first and second groups,
the selection module is further configured to select the second center position coordinate as a placement position of the other communication emergency base station.
Further, the judging module is further configured to judge whether a distance between a second center position coordinate and the first center position coordinate is greater than a communication radius of the other communication emergency base station after the determining module determines the second center position coordinate and before the selecting module selects the second center position coordinate as a placement position of the other communication emergency base station;
the selection module is further configured to select the second center position coordinate as a placement position of the other communication emergency base station when the judgment module judges that the second center position coordinate is larger than the communication radius of the other communication emergency base station.
Based on the same technical concept, the embodiment of the present disclosure correspondingly provides a terminal device, which is shown in fig. 6, and the terminal device includes a memory 61 and a processor 62, where the memory 61 stores a computer program, and when the processor 62 runs the computer program stored in the memory 61, the processor 62 executes the method for selecting the emergency base station location.
Based on the same technical concept, the embodiment of the present disclosure correspondingly provides a computer-readable storage medium, on which a computer program is stored, and when the computer program is executed by a processor, the processor executes the method for selecting the emergency base station location.
It will be understood by those of ordinary skill in the art that all or some of the steps of the methods, systems, functional modules/units in the devices disclosed above may be implemented as software, firmware, hardware, and suitable combinations thereof. In a hardware implementation, the division between functional modules/units mentioned in the above description does not necessarily correspond to the division of physical components; for example, one physical component may have multiple functions, or one function or step may be performed by several physical components in cooperation. Some or all of the physical components may be implemented as software executed by a processor, such as a central processing unit, digital signal processor, or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit. Such software may be distributed on computer readable media, which may include computer storage media (or non-transitory media) and communication media (or transitory media). The term computer storage media includes volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data, as is well known to those of ordinary skill in the art. Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, digital Versatile Disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can accessed by a computer. In addition, communication media typically embodies computer readable instructions, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism and includes any information delivery media as known to those skilled in the art.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present disclosure, and not for limiting the same; while the present disclosure has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications or substitutions do not depart from the scope of the embodiments of the present disclosure by the essence of the corresponding technical solutions.
Claims (7)
1. A method for selecting a location of an emergency base station, comprising:
acquiring a first position coordinate data set of a user terminal;
acquiring the coverage radius of the emergency base station;
determining first center position coordinates based on the first position coordinate data set, including:
randomly selecting a certain position coordinate from the first position coordinate data set as an initial central position coordinate;
selecting all position coordinates with the distance less than or equal to the coverage radius of the emergency base station from the first position coordinate data set based on the initial center position coordinate to obtain a second position coordinate data set;
calculating the vector sum of the initial center position coordinates to all position coordinates in the second position coordinate data set;
moving the initial central position coordinate along the direction of the vector sum to obtain an offset value of the initial central position coordinate;
judging whether the deviation value is zero or not, and if the deviation value is zero, determining the initial central position coordinate as a first central position coordinate;
if the offset value is not zero, determining new initial center position coordinates, including: determining a position coordinate point to which the initial center position coordinate is moved in the direction of the vector sum as a new initial center position coordinate;
returning to the step of executing the step of obtaining a second position coordinate data set based on the new initial central position coordinate, and determining the new initial central position coordinate as a first central position coordinate until the deviation value of the new initial central position coordinate is judged to be zero; and the number of the first and second groups,
and selecting the first central position coordinate as the placement position of the emergency base station.
2. The method of claim 1, wherein obtaining the first position coordinate data set of the ue comprises:
collecting geographic position coordinates of all user terminals at a certain time point in a preset time period in a preset area; and the number of the first and second groups,
a first position coordinate dataset of the user terminal is obtained based on the geographical position coordinates of all the user terminals.
3. The method of claim 1, wherein after selecting the first center location coordinate as the placement location for the emergency base station, further comprising:
judging whether other communication emergency base stations are required to be placed besides the emergency base station;
if so, deleting the first central position coordinate and all position coordinates of which the distance from the first central position coordinate to the first central position coordinate is less than or equal to the coverage radius of the emergency base station in the first position coordinate data set to obtain a third position coordinate data set;
determining a second center position coordinate based on the third position coordinate data set; and the number of the first and second groups,
and selecting the second central position coordinate as the placement position of other communication emergency base stations.
4. The method of claim 3, further comprising, after determining second center position coordinates based on the third position coordinate data set and before selecting the second center position coordinates as placement locations for other communication emergency base stations:
judging whether the distance between the second center position coordinate and the first center position coordinate is larger than the communication radius of other communication emergency base stations or not;
and if the center position coordinate is larger than the communication radius of the other communication emergency base stations, executing the step of selecting the second center position coordinate as the placing position of the other communication emergency base stations.
5. A system for emergency base station location selection, comprising:
an acquisition module configured to acquire a first position coordinate data set of a user terminal and acquire a coverage radius of the emergency base station;
a determination module arranged to determine a first center position coordinate based on the first position coordinate data set; and the number of the first and second groups,
a selection module configured to select the first center position coordinates as a placement position of an emergency base station;
the determining module comprises:
a selecting unit configured to randomly select a certain position coordinate from the first position coordinate data set as an initial center position coordinate;
a second obtaining unit configured to select, from the first position coordinate data set, all position coordinates whose distance from the first position coordinate data set is less than or equal to a coverage radius of the emergency base station based on the initial center position coordinate, to obtain a second position coordinate data set;
a calculation unit arranged to calculate a vector sum of the initial center position coordinates to all position coordinates in the second position coordinate data set;
a third obtaining unit configured to move the initial center position coordinate along the direction of the vector sum to obtain an offset value of the initial center position coordinate;
a judging unit configured to judge whether the offset value is zero;
a determination unit configured to determine the initial center position coordinate as a first center position coordinate when the determination unit determines that the offset value is zero, and to determine a position coordinate point to which the initial center position coordinate is moved in the direction of the vector sum as a new initial center position coordinate after the determination unit determines that the offset value is not zero; and the number of the first and second groups,
a return execution unit configured to return the step of obtaining a second position coordinate data set based on the new initial center position coordinate until the new initial center position coordinate is determined to have a zero offset value, and determine the new initial center position coordinate as the first center position coordinate.
6. A terminal device, characterized in that it comprises a memory in which a computer program is stored and a processor which, when running the computer program stored by the memory, executes the method of emergency base station location selection according to any of claims 1 to 4.
7. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the method of emergency base station location selection according to any one of claims 1 to 4.
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Citations (4)
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