CN110972263A - Positioning method, positioning device, computer equipment and computer readable storage medium - Google Patents
Positioning method, positioning device, computer equipment and computer readable storage medium Download PDFInfo
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- CN110972263A CN110972263A CN201911369380.5A CN201911369380A CN110972263A CN 110972263 A CN110972263 A CN 110972263A CN 201911369380 A CN201911369380 A CN 201911369380A CN 110972263 A CN110972263 A CN 110972263A
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- H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
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Abstract
The invention discloses a positioning method, a positioning device, computer equipment and a computer readable storage medium, wherein the positioning method comprises the following steps: acquiring base station area information of a base station at a current position; sending the base station area information to a map server; receiving base station position data corresponding to the base station area information returned by the map server; and determining the current position according to the base station position data. According to the method, the area information of the base stations around the position can be acquired, the position of the corresponding base station is inquired in the server of the map service platform according to the area information of the base station, and therefore the current position is determined according to the positions of the surrounding base stations.
Description
Technical Field
Embodiments of the present invention relate to positioning technologies, and in particular, to a positioning method, an apparatus, a computer device, and a computer-readable storage medium.
Background
Terminal devices such as mobile phones, computers, and smart terminals generally use a GPS (global positioning system) to locate the devices. However, GPS positioning is limited by a number of factors, including satellite signals and motion states. In some places with poor satellite signals, such as environments like indoors, tunnels and urban blocks with many high buildings, or in a situation where the terminal device is in motion, the GPS positioning speed may be very slow or even impossible, so that it is difficult for the terminal device to obtain its location.
Disclosure of Invention
In view of the foregoing, the present invention provides a positioning method, apparatus, computer device and storage medium, which can determine a current position in a situation where GPS positioning cannot be used.
In a first aspect, an embodiment of the present invention provides a positioning method, where the method includes:
acquiring base station area information of a base station at a current position;
sending the base station area information to at least one map server;
receiving base station position data corresponding to the base station area information returned by the map server;
and determining the current position according to the base station position data.
According to the positioning method, the area information of the base stations around the position can be obtained, the position of the corresponding base station is inquired in the server of the map service platform according to the area information of the base station, and therefore the current position is determined according to the positions of the surrounding base stations.
In one embodiment, the step of sending the base station area information to at least one map server includes:
encapsulating the base station region information into a data packet according to a development kit provided by each map service platform;
and sending the packaged data packet to a map server corresponding to each map service platform through a corresponding development tool packet.
In one embodiment, the step of acquiring the base station area information of the base station at the current location includes:
and circularly acquiring the base station area information of the base station to which the multiple operators belong at the current position.
In one embodiment, the step of determining the current position according to the base station position data comprises:
calculating the geometric center positions of a plurality of base stations according to the position data of the base stations;
removing base stations which are farthest from the geometric center position and/or base stations with inconsistent base station position data returned by each map server;
and determining the current position according to the base station position data of the rest base stations.
In one embodiment, the step of determining the current position according to the base station position data of the remaining base stations comprises:
and selecting the base station position data of one base station from the rest base stations as the current position.
In one embodiment, the step of determining the current position according to the base station position data of the remaining base stations comprises:
and calculating the geometric center positions of the residual base stations, and taking the geometric center positions of the residual base stations as the current positions.
In one embodiment, the base station area information includes at least one of a mobile country code, a mobile network code, a location area code, a system identification code, a network identification code, a cell identification code, and a base station identification code.
In a second aspect, an embodiment of the present invention further provides a positioning apparatus, where the positioning apparatus includes:
the area acquisition module is used for acquiring the base station area information of the base station at the current position;
the information sending module is used for sending the base station area information to at least one map server;
the data receiving module is used for receiving base station position data corresponding to the base station area information returned by the map server;
and the position determining module is used for determining the current position according to the base station position data.
The positioning device can acquire the regional information of base stations around the position of the positioning device, and inquire the position of the corresponding base station in the server of the map service platform according to the regional information of the base station, so that the current position of the positioning device can be determined according to the positions of the surrounding base stations.
In a third aspect, an embodiment of the present invention further provides a computer device, including a memory, a processor, and a computer program stored on the memory and executable on the processor, where the processor executes the computer program to implement the positioning method as described above.
In a fourth aspect, the present invention further provides a computer-readable storage medium, on which a computer program is stored, where the computer program is executed by a processor to implement the positioning method as described above.
Drawings
FIG. 1 is a schematic flow chart of a positioning method in one embodiment;
FIG. 2 is a flow diagram illustrating steps for sending base station zone information to at least one map server in one embodiment;
FIG. 3 is a flow diagram that illustrates steps for determining a current location based on base station location data in one embodiment;
FIG. 4 is a block diagram of a positioning device in accordance with one embodiment.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Fig. 1 is a schematic flow chart of a positioning method in an embodiment, as shown in fig. 1, in an embodiment, a positioning method includes:
step S120: and acquiring the base station area information of the base station at the current position.
Specifically, first, a communication module of the mobile terminal device collects all base station signals that can be received at a current position, the base station signals can be generally sent by base stations of various systems of multiple operators, after the base station signals are received, the terminal device establishes communication connection with the corresponding base station, and obtains base station area information of each base station. The base station area information acquired by the terminal equipment can be stored according to the system of the base station and the affiliated operator, and is uniformly transmitted to the translation module of the terminal equipment, the specific transmission process can be realized among different terminal equipment in a network transmission mode, and can be realized in a mode of setting a software interface in one terminal equipment.
Further, the base station area information is used to determine the area to which the base station belongs, each base station generally has a unique corresponding number and a code of the area to which the base station belongs, and the specific composition of the base station area information can be determined according to the actual situation of the base station operator. In one embodiment, the base station area information may include at least one of a Mobile Country Code (MCC), a Mobile Network Code (MNC), a Location Area Code (LAC), a System Identity (SID), a Network Identity (NID), a Cell Identity (CID), and a base station Identity (BID).
The mobile country code is defined in the international telecommunications union, and can identify the mobile equipment base in the gsm and umts, and the mobile country code is usually used in combination with the mobile network code to identify the network operator, and the location area code can identify a specific administrative area, and each area may include one or more cells. For example, in a CDMA communication network, each site class city typically has its corresponding system id assigned by a site class carrier, each site class city may have one or more network ids, and each base station has its unique corresponding base station id. Specifically, the urban area where the base station is located can be located through the system identification code and the network identification code, and then the specific base station is determined through the cell identification code and the base station identification code. It should be understood that the content of the base station area information is not limited to the above identification codes, and the area information where the base station is located may be defined in other forms.
Step S140: the base station area information is sent to at least one map server.
Specifically, after receiving the base station area information collected by the communication module, the translation module of the terminal device may send the base station area information to the map server to query the location of the base station, where the map server is generally provided by various map service platforms, and may send the base station area information to the map servers of multiple map service platforms, so as to avoid the situation that the base station information in a certain map server is incomplete or inaccurate, thereby accurately obtaining the location of each base station, and improving the accuracy of positioning.
Step S160: and receiving base station position data corresponding to the base station area information returned by the map server.
Specifically, after receiving the base station area information, the map server of the map service platform may query the location of the base station according to the base station area information. The map server determines the corresponding base station in the database according to various identification codes in the area information of the base station, acquires the position data of the base station and sends the position data to the terminal equipment.
Step S180: and determining the current position according to the base station position data.
Specifically, after receiving the base station position data returned by the map server, the terminal device obtains the latitude and longitude information of each base station around the position where the terminal device is located, and may select a suitable base station position as the current position of the terminal device, and may also perform analysis and calculation according to the position of each base station, thereby determining the current position where the terminal device is located.
According to the positioning method, the area information of the base stations around the position can be obtained, the position of the corresponding base station is inquired in the server of the map service platform according to the area information of the base station, and therefore the current position is determined according to the positions of the surrounding base stations.
Fig. 2 is a schematic flowchart illustrating a process of sending the base station area information to at least one map server in the foregoing steps in an embodiment, as shown in fig. 2, based on the foregoing technical solution, step S140 may specifically include:
step S142: and encapsulating the base station region information into a data packet according to a development kit provided by each map service platform.
Step S144: and sending the packaged data packet to a map server corresponding to each map service platform through a corresponding development tool packet.
Specifically, when the terminal device sends the base station area information to the map server, the terminal device generally needs to encapsulate the base station area information into a data packet format used by a map service platform corresponding to the map server. A map service platform stores a database of mature base station locations, and the map service platforms, for example, hundredths, Tencent, and Goods generally provide an open Software Development Kit (SDK), and the Software Development Kit generally includes a set of Development tools used for establishing application Software for a specific Software package, a Software framework, a hardware platform, an operating system, and the like, so as to provide services such as invoking and querying for other applications. And a translation module of the terminal equipment encapsulates the base station area information by using the development toolkits, and sends the encapsulated base station area information data packets to a map database corresponding to each platform through the development toolkits of each map service platform, so that the map database can inquire the base station position data stored in the database according to the base station area data packets.
Further, in an embodiment, the step S120 may specifically include: and circularly acquiring the base station area information of the base station to which the multiple operators belong at the current position. The terminal device may acquire signals of multiple base stations at one location, for example, in many cities, as many as 6 to 7 base stations capable of acquiring signals at the same location may be acquired. The base stations may include communication system base stations of different systems of different operators, such as telecommunications, mobile, connected 2g, 3g, 4g, and 5g base stations, and the like. When the terminal equipment is positioned, various base stations of each operator need to be collected circularly so as to avoid missing base station signals and ensure the positioning accuracy.
Fig. 3 is a schematic flowchart of the step of determining the current location according to the location data of the base station in the foregoing embodiment, as shown in fig. 3, step S180 in the positioning method in this embodiment may specifically include:
step S182: and calculating the geometric center positions of the plurality of base stations according to the base station position data of the plurality of base stations.
Step S184: and eliminating the base station farthest from the geometric center position and/or the base station with inconsistent base station position data returned by each map server.
Step S186: and determining the current position according to the base station position data of the rest base stations.
Specifically, for example, after n base stations whose current positions can acquire signals are provided and area information of the n base stations is transmitted to a plurality of map servers, if there is no base station that is not found in all the map servers, the number of base station position data returned from the map servers is also n. If the base station position data of a certain base station in the n pieces of position data of the base stations are inconsistent with the base station position data of the base stations in different map servers, the position of the base station in the map server is possibly inaccurate, and the position of the base station can be not considered so as to avoid bringing wrong position data.
Under the condition that the position data of the base stations in different map servers are consistent, the position data of each base station is accurately acquired, the positions of the n base stations can be compared, theoretically, the positioning is more accurate according to the base station with a shorter distance, and the received base station with a longer position may have a higher error due to a stronger signal but the positioning according to the base station may cause the higher error, so the base station with a longer position can be removed. For example, the geometric center position of each base station is calculated according to the position data of the base stations, the base station farthest from the geometric center position is removed, and the rest base stations with more accurate positions are obtained.
It is to be understood that the screening of the base station location may be determined according to actual situations, and is not limited to the above method, and in other embodiments, the base station may be screened by other methods. For example, a distance threshold may be preset, and all base stations whose distances from the geometric center position exceed the distance threshold are removed, or if it is calculated that the distances from a certain base station to other base stations exceed the preset distance threshold, the base station may be removed.
In an embodiment, on the basis of the foregoing technical solution, step S186 may specifically include:
and selecting the base station position data of one base station from the rest base stations as the current position.
Specifically, after the base stations are screened and the base stations with inaccurate or far positions are removed, one of the base stations in the remaining distributed set may be selected as the current position of the terminal device. The specific selection method may be determined according to the actual distribution of the remaining base stations, for example, the geometric center of the remaining base stations is calculated, and the base station closest to the geometric center is used as the current location of the terminal device, or the average distance between each base station and other base stations is calculated, and the base station with the shortest average distance to other base stations is used as the current location of the terminal device.
In another embodiment, based on the above technical solution, step S186 may specifically include:
and calculating the geometric center positions of the residual base stations, and taking the geometric center positions of the residual base stations as the current positions.
Specifically, after the base stations are screened and the base stations with inaccurate or far positions are removed, in addition to the method of directly selecting one of the positions in the remaining base stations, the probability that the terminal device is exactly located at a certain base station position is low, so that the geometric center positions of the remaining base stations can be calculated according to the base station position data, and the geometric center positions are used as the current positions of the terminal device.
Fig. 4 is a schematic structural diagram of a positioning apparatus in an embodiment, and as shown in fig. 4, in an embodiment, a positioning apparatus 300 includes: an area obtaining module 320, configured to obtain base station area information of a base station at a current location; an information sending module 340, configured to send the base station area information to at least one map server; the data receiving module 360 is configured to receive base station location data corresponding to the base station area information returned by the map server; and a position determining module 380, configured to determine the current position according to the base station position data.
Specifically, the area obtaining module 320 collects all base station signals that can be received by the current location, and obtains base station area information of the corresponding base station, where the base station area information specifically includes a mobile country code, a mobile network code, a location area code, a system identification code, a network identification code, a cell identification code, a base station identification code, and the like, and the area obtaining module 320 sends the base station area information to the information sending module 340. The information sending module 340 sends the base station area information to a map server provided by various map service platforms.
The map server generally stores geographical position data such as longitude and latitude of each base station of each operator in a database of the map service platform, inquires the position of the base station in the database according to the received base station area information, and sends the base station position data to the data receiving module 360. The data receiving module 360 is configured to receive base station location data corresponding to the base station area information returned by the map server, and send the base station location data to the location determining module 380. The position determining module 380 may select a suitable base station position from the base stations as the current position of the terminal device, or perform analysis and calculation according to the position of each base station, so as to determine the current position of the terminal device.
The positioning device 300 can acquire the area information of the base stations around the position, and inquire the position of the corresponding base station in the server of the map service platform according to the area information of the base station, so that the current position is determined according to the positions of the surrounding base stations.
It can be understood that the positioning device provided by the embodiment of the present invention can execute the positioning method provided by any embodiment of the present invention, and has the corresponding functional modules and beneficial effects of the execution method. Each unit and module included in the positioning device in the above embodiment are only divided according to functional logic, but are not limited to the above division as long as the corresponding functions can be realized; in addition, specific names of the functional units are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present invention.
In one embodiment, a computer device is provided that includes a memory, a processor, and a computer program stored on the memory and executable on the processor. The processor, when running the program, may perform the steps of: acquiring base station area information of a base station at a current position; sending the base station area information to at least one map server; receiving base station position data corresponding to the base station area information returned by the map server; and determining the current position according to the base station position data.
It is understood that the computer device provided by the embodiment of the present invention, the processor of which executes the program stored in the memory, is not limited to the method operations described above, and can also execute the relevant operations in the positioning method provided by any embodiment of the present invention.
Further, the number of processors in the computer may be one or more, and the processors and the memory may be connected by a bus or other means. The memory can mainly comprise a program storage area and a data storage area, wherein the program storage area can store an operating system and an application program required by at least one function; the storage data area may store data created according to the use of the terminal, and the like. Further, the memory may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device. In some examples, the memory may further include memory located remotely from the processor, which may be connected to the device/terminal/server via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
In one embodiment, the present invention also provides a computer readable storage medium having a computer program stored thereon, which when executed by a processor, causes the processor to perform the steps of: acquiring base station area information of a base station at a current position; sending the base station area information to at least one map server; receiving base station position data corresponding to the base station area information returned by the map server; and determining the current position according to the base station position data.
It is understood that the computer-readable storage medium containing the computer program according to the embodiments of the present invention is not limited to the method operations described above, and may also perform related operations in the positioning method according to any embodiment of the present invention.
From the above description of the embodiments, it is obvious for those skilled in the art that the present invention can be implemented by software and necessary general hardware, and certainly, can also be implemented by hardware, but the former is a better embodiment in many cases. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which may be stored in a computer-readable storage medium, such as a floppy disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a FLASH Memory (FLASH), a hard disk or an optical disk of a computer, and includes several instructions for enabling a computer device (which may be a personal computer, a server, or a network device) to execute the methods described in the embodiments of the present invention.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above embodiments only represent the preferred embodiments of the present invention and the applied technical principles, and the description thereof is specific and detailed, but not construed as limiting the scope of the invention. Numerous variations, changes and substitutions will be apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in more detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. A method of positioning, comprising:
acquiring base station area information of a base station at a current position;
sending the base station area information to at least one map server;
receiving base station position data corresponding to the base station area information returned by the map server;
and determining the current position according to the base station position data.
2. The method of claim 1, wherein the step of sending the base station area information to at least one map server comprises:
encapsulating the base station region information into a data packet according to a development kit provided by each map service platform;
and sending the packaged data packet to a map server corresponding to each map service platform through a corresponding development tool packet.
3. The method of claim 1, wherein the step of obtaining the base station area information of the base station at the current location comprises:
and circularly acquiring the base station area information of the base station to which the multiple operators belong at the current position.
4. The method of claim 3, wherein the step of determining the current location from the base station location data comprises:
calculating the geometric center positions of a plurality of base stations according to the position data of the base stations;
removing base stations which are farthest from the geometric center position and/or base stations with inconsistent base station position data returned by each map server;
and determining the current position according to the base station position data of the rest base stations.
5. The method of claim 4, wherein the step of determining the current location from the base station location data of the remaining base stations comprises:
and selecting the base station position data of one base station from the rest base stations as the current position.
6. The method of claim 4, wherein the step of determining the current location from the base station location data of the remaining base stations comprises:
and calculating the geometric center positions of the residual base stations, and taking the geometric center positions of the residual base stations as the current positions.
7. The method according to any of claims 1 to 6, wherein the base station area information comprises at least one of a mobile country code, a mobile network code, a location area code, a system identity code, a network identity code, a cell identity code and a base station identity code.
8. A positioning device, comprising:
the area acquisition module is used for acquiring the base station area information of the base station at the current position;
the information sending module is used for sending the base station area information to at least one map server;
the data receiving module is used for receiving base station position data corresponding to the base station area information returned by the map server;
and the position determining module is used for determining the current position according to the base station position data.
9. A computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the processor implements the positioning method according to any of claims 1 to 7 when executing the program.
10. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the positioning method according to any one of claims 1 to 7.
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Application publication date: 20200407 |