CN109951814B - Positioning method, positioning device and computer-readable storage medium - Google Patents
Positioning method, positioning device and computer-readable storage medium Download PDFInfo
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Abstract
The disclosure relates to a positioning method, a positioning device and a computer readable storage medium, and relates to the technical field of communication. The method of the present disclosure comprises: acquiring a current service cell and a user number of a terminal; inquiring a corresponding address information base according to the user number, wherein the address information base comprises: the location of each mobile network cell where the terminal resides and the installed location of each wireless network to which the terminal is historically connected; and determining the position of the terminal according to the distance between the position of the service cell and each position in the address information base. The method integrates the front-end data and the back-end data of the operator, analyzes the behavior of the mobile user accessing the internet through the wireless network and the mobile network, positions the user according to the indoor scene, and can even be accurate to the room in the installed position of the wireless network, thereby greatly improving the accuracy of indoor positioning.
Description
Technical Field
The present disclosure relates to the field of communications technologies, and in particular, to a positioning method, an apparatus, and a computer-readable storage medium.
Background
The location service refers to that the mobile communication system acquires geographical location information (such as longitude and latitude coordinates) of the mobile terminal through a specific location technology, provides the geographical location information for the mobile user, the communication system or a third party location client, and provides calling or non-calling services related to the location of the mobile user by the support of certain electronic map information.
A technique for Positioning by using a geostationary satellite such as a GPS (Global Positioning System) is mainly applied to an outdoor scene. However, with the continuous development of urbanization, people have an increasing demand for indoor positioning, and the satellite positioning system cannot be used due to poor indoor satellite signal reception.
Currently, a mobile network is mainly used for indoor positioning of a user, and the positioning is mainly based on a triangulation location Algorithm (AFLT) of radio signal strength (RSRP) and assisted by an indoor and outdoor identification technology.
Disclosure of Invention
The inventor finds that: the indoor positioning technology cannot distinguish whether the user is indoors or outdoors, so that whether the user is an indoor user or not needs to be judged through user mobile characteristic analysis, wireless signal intensity change analysis and service cell switching analysis within a period of time, the accuracy rate of indoor and outdoor identification is only 60-70%, and therefore the positioning accuracy of the user is low, and the deviation is generally more than 100 meters.
One technical problem to be solved by the present disclosure is: how to improve the accuracy of indoor positioning of users.
According to some embodiments of the present disclosure, there is provided a positioning method, including: acquiring a current service cell and a user number of a terminal; inquiring a corresponding address information base according to the user number, wherein the address information base comprises: the location of each mobile network cell where the terminal resides and the installed location of each wireless network to which the terminal is historically connected; and determining the position of the terminal according to the distance between the position of the service cell and each position in the address information base.
In some embodiments, before querying the corresponding address information base according to the user number, the method further includes: determining whether the service cell is an information source cell of an indoor distribution system; and under the condition that the service cell is not the information source cell of the indoor distribution system, executing the step of inquiring the corresponding address information base according to the user number.
In some embodiments, in the case that the serving cell is a source cell of an indoor distribution system, determining the number of indoor distribution systems under the source cell; in the case where there is only one indoor distribution system under the source cell, the location of the indoor distribution system is determined as the location of the terminal.
In some embodiments, in the case that the serving cell is a source cell of an indoor distribution system, determining the number of indoor distribution systems under the source cell; and under the condition that the number of the indoor distribution systems in the source cell is more than 1, determining the position of the indoor distribution system closest to the adjacent cell with the strongest received signal as the position of the terminal.
In some embodiments, it is determined whether a serving cell and each mobile network cell in which the terminal resides are the same cell, and in a case where the serving cell and one mobile network cell in which the terminal resides are the same cell, the location of the mobile network cell is determined as the location of the terminal; or determining the distance between the position of the serving cell and the installed position of each wireless network historically connected with the terminal, and determining the installed position of the wireless network as the position of the terminal under the condition that the distance between the serving cell and the installed position of one wireless network historically connected with the terminal is smaller than a threshold value; the position of the mobile network cell where the terminal resides is an installed position of a wireless network which is connected with the terminal in history and has a difference with the position of the mobile network cell smaller than a preset distance.
In some embodiments, the obtaining the current serving cell and the user number of the terminal includes: acquiring a serving cell from a measurement report of a terminal; according to the relevance between the measurement report of the terminal and the mobile management entity log, the user number in the mobile management entity log is backfilled into the measurement report of the terminal, and the user number is obtained.
In some embodiments, each mobile network cell in which the terminal resides includes: the mobile network cell with the historical connection times of the terminal reaching the threshold value in the working period and the mobile network cell with the historical connection times of the terminal reaching the threshold value in the non-working period; each mobile network cell where the terminal resides is obtained according to a measurement report or historical record data CDR; the installed positions of the wireless networks which are historically connected with the terminal are obtained according to the incidence relation between the wired service number in the billing system CRM and the installed positions of the wireless networks which are historically connected with the terminal, and the wired service number is extracted from data in the deep message analysis system.
According to further embodiments of the present disclosure, there is provided a positioning device including: the information acquisition module is used for acquiring the current service cell and the user number of the terminal; the address query module is used for querying a corresponding address information base according to the user number, wherein the address information base comprises: the location of each mobile network cell where the terminal resides, and the installed address and location of each wireless network to which the terminal is historically connected; and the position determining module is used for determining the position of the terminal according to the distance between the position of the service cell and each position in the address information base.
In some embodiments, the positioning device further comprises: and the auxiliary positioning module is used for determining whether the service cell is the information source cell of the indoor distribution system or not, and triggering the address query module to execute the step of querying the corresponding address information base according to the user number under the condition that the service cell is not the information source cell of the indoor distribution system.
In some embodiments, the auxiliary positioning module is configured to determine the number of indoor distribution systems in the source cell if the serving cell is the source cell of the indoor distribution systems, and determine the location of the indoor distribution system as the location of the terminal if there is only one indoor distribution system in the source cell.
In some embodiments, the auxiliary positioning module is configured to determine, in a case that the serving cell is a source cell of an indoor distribution system, the number of indoor distribution systems in the source cell, and determine, as the location of the terminal, a location of an indoor distribution system closest to a neighboring cell with a strongest received signal in a case that the number of indoor distribution systems in the source cell is greater than 1.
In some embodiments, the location determining module is configured to determine whether a serving cell and each mobile network cell in which the terminal resides are the same cell, and determine the location of the mobile network cell as the location of the terminal when the serving cell and one mobile network cell in which the terminal resides are the same cell; or determining the distance between the position of the serving cell and the installed position of each wireless network historically connected with the terminal, and determining the installed position of the wireless network as the position of the terminal under the condition that the distance between the serving cell and the installed position of one wireless network historically connected with the terminal is smaller than a threshold value; the position of the mobile network cell where the terminal resides is an installed position of a wireless network which is connected with the terminal in history and has a difference with the position of the mobile network cell smaller than a preset distance.
In some embodiments, the information obtaining module is configured to obtain the serving cell from a measurement report of the terminal, backfill a subscriber number in a mobility management entity log into the measurement report of the terminal according to a correlation between the measurement report of the terminal and the mobility management entity log, and obtain the subscriber number.
In some embodiments, each mobile network cell in which the terminal resides includes: the mobile network cell with the historical connection times of the terminal reaching the threshold value in the working period and the mobile network cell with the historical connection times of the terminal reaching the threshold value in the non-working period; each mobile network cell where the terminal resides is obtained according to a measurement report or historical record data CDR; and obtaining the installed address of each wireless network which is historically connected with the terminal according to data in the deep message analysis system.
According to still other embodiments of the present disclosure, there is provided a positioning device including: a memory; and a processor coupled to the memory, the processor configured to perform the positioning method of any of the preceding embodiments based on instructions stored in the memory device.
According to further embodiments of the present disclosure, a computer-readable storage medium is provided, on which a computer program is stored, wherein the program, when executed by a processor, implements the steps of the positioning method of any of the preceding embodiments.
In the present disclosure, an address information base is established in advance, and the address information base includes: the method comprises the steps of obtaining location information such as the location of each mobile network cell where a terminal resides and the installed address and location of each wireless network which is historically connected with the terminal, inquiring an address information base according to the user number of the terminal, and determining the location of the terminal according to the distance between the location of a service cell which is currently connected with the terminal and each location in the address information base. The method integrates the front-end data and the back-end data of the operator, analyzes the behavior of the mobile user accessing the internet through the wireless network and the mobile network, positions the user according to the indoor scene, and can even be accurate to the room in the installed position of the wireless network, thereby greatly improving the accuracy of indoor positioning.
Other features of the present disclosure and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.
Drawings
In order to more clearly illustrate the embodiments of the present disclosure 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, it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 shows a flow diagram of a positioning method of some embodiments of the present disclosure.
Fig. 2 shows a flow diagram of a positioning method of further embodiments of the present disclosure.
Fig. 3 shows a schematic structural view of a positioning device of some embodiments of the present disclosure.
Fig. 4 shows a schematic structural view of a positioning device of further embodiments of the present disclosure.
Fig. 5 shows a schematic structural diagram of a positioning device according to further embodiments of the present disclosure.
Detailed Description
The technical solutions in the embodiments of the present disclosure will be clearly and completely described below with reference to the drawings in the embodiments of the present disclosure, and it is obvious that the described embodiments are only a part of the embodiments of the present disclosure, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the disclosure, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.
The scheme is provided for solving the problem of low positioning accuracy of the existing indoor positioning technology. The positioning method of the present disclosure is described below with reference to fig. 1.
Fig. 1 is a flow chart of some embodiments of a positioning method of the present disclosure. As shown in fig. 1, the method of this embodiment includes: steps S102 to S106.
Step S102, obtaining the current service cell and the user number of the terminal.
The current serving cell of the terminal may be obtained from a Measurement Report (MR) of the terminal, where the Measurement Report carries an identifier of the serving cell.
The user number is, for example, a mobile phone number, and the user number in the Mobility Management Entity log may be refilled into the measurement report of the terminal according to the relevance between the measurement report of the terminal and an MME (Mobility Management Entity) log, and the user number is obtained. The measurement report does not include information of the user number, but includes information such as the MMEUES1APID (mobility management entity user equipment S1 interface application identifier) and the corresponding measurement time. And the MME log comprises the allocation time and the release time of the MMEUES1APID and the corresponding user number, and the measurement time of the MMEUES1APID in the measurement report is matched with the time period of the allocation time and the release time of the MMEUES1APID in the MME log to determine the user number corresponding to the measurement report.
And step S104, inquiring a corresponding address information base according to the user number.
An address information base can be established for the terminal in advance according to the behavior of the terminal user, and the user number is used as an index, so that real-time query can be carried out. A corresponding address information base can be established for each terminal, and is associated with the user number, and the address information base comprises: the location of each mobile network cell where the terminal resides and the installed location of each wireless network which the terminal is historically connected with, wherein the location comprises longitude and latitude. The address information base can also comprise addresses of mobile network cells where the terminal is resident and installed addresses of wireless networks which the terminal is historically connected with, wherein the addresses comprise address texts, such as cities, streets, house numbers and the like which are represented by texts. The position information is convenient for directly marking the position of the terminal in the map, and the display of the address information is convenient for a user to check the specific address of the terminal.
At present, ordinary households, companies and the like register wired (including wired networks with different transmission modes such as dialing, broadband, optical fiber and the like) accounts to surf the internet. When a user applies for a cable network, the user registers the cable service number, the installed address and the location. Further, sharing of the network can be achieved by establishing a wireless network (for example, WiFi) through a router, and the router is connected with an indoor network line, namely, the wireless network corresponds to a wired service number, an installed address and a position. First, a cable address repository can be created based on the cable service number, installed address and location, and the subscriber number that has historically connected the cable service number. The installed address can be represented using address-specific text, including: such as a city, street, house number, etc., may be accurate to a room in a building. The longitude and latitude corresponding to the installed address position can be accurate to a certain point on the electronic map. Analyzing the internet access behavior of a router (under a wireless network) corresponding to a wired network through a Deep Packet Inspection (DPI) system, extracting a user number connected with the wired service number, establishing a recording list of the wired service number and the user number, and integrating a CRM (billing system) installation address and position and the recording list of the wired service number and the user number to establish a wired address library. The wireless network to which the terminal has been connected corresponds to a certain wired service and installed address and location, and the subscriber number of the terminal is recorded.
Further, a mobile network address base can be established according to the cell under the mobile communication base station connected with the terminal. The mobile internet access behavior of each user can be analyzed through a measurement report or CDR (historical record number) of a network optimization platform, a mobile communication base station cell connected with the user number is obtained, furthermore, the frequency of connecting each mobile communication base station cell can be obtained, and a mobile network cell with the historical connection frequency of a terminal reaching a threshold value in an operating period and a mobile network cell with the historical connection frequency of the terminal reaching the threshold value in a non-operating period can be respectively counted and used as a resident working place cell and a resident residential place cell. The resident workplace cell and the resident residential cell may include at least one cell, respectively. The mobile network address library may include a subscriber number of the terminal, a resident mobile network cell identifier, and longitude and latitude and address text of a corresponding base station.
Furthermore, the wired address base and the mobile network address base can be integrated to establish an address information base, and the user number is used as an index during the integration, namely, the installed position of each wireless network which is historically connected with the terminal and the base station position of each resident mobile network cell are stored in a correlation mode according to the user number, and meanwhile, the installed position and the base station position are stored in a correlation mode with the user number. Furthermore, the installed positions of each wireless network corresponding to the subscriber number and the base station positions of each resident mobile network cell can be compared, if the distance between the installed positions and the base station positions is lower than the preset distance, the mobile network cell is set to be the corresponding installed position, and the data storage amount is saved. In general, the coverage area of a mobile network cell is large, and it is not very accurate to directly use the base station position corresponding to the mobile network cell as the terminal position. And generally, the indoor space is covered by a wireless network, so that the position of a mobile network cell where the terminal resides can be set as the installed position of the wireless network, and the resident position of the terminal can be more accurately represented.
And step S106, determining the position of the terminal according to the distance between the position of the service cell and each position in the address information base.
In some embodiments, it is determined whether a serving cell and each mobile network cell in which the terminal resides are the same cell, and if the serving cell and one mobile network cell in which the terminal resides are the same cell, the location of the mobile network cell is determined as the location of the terminal, where the location of the mobile network cell is an installed location of a wireless network historically connected to the terminal whose distance difference is smaller than a preset distance.
In some embodiments, the distance between the position of the serving cell and the installed position of each wireless network to which the terminal has historically connected is determined, and in the case that the distance between the serving cell and the installed position of one wireless network to which the terminal has historically connected is less than a threshold value, the installed position of the wireless network is determined as the position of the terminal.
In some embodiments, it is first determined whether a serving cell and each mobile network cell in which the terminal resides are the same cell, and in a case where the serving cell and one mobile network cell in which the terminal resides are the same cell, the location of the mobile network cell is determined as the location of the terminal. When the serving cell and one mobile network cell in which the terminal resides are not the same cell, the distance between the location of the serving cell and the installed location of each wireless network to which the terminal has been historically connected is determined, and when the distance between the serving cell and the installed location of one wireless network to which the terminal has been historically connected is less than a threshold value, the installed location of the wireless network is determined as the location of the terminal.
The terminal is connected to the mobile network when it is located indoors, and the serving cell may be an outdoor cell or a cell of an indoor distribution system. The number of the mobile network cells connected with the terminal is generally large, so that the position of a terminal resident cell can be mainly recorded, if the service cell is the resident cell, the terminal is indicated to be located at a resident place, such as a work place or a residence place, and the position of the terminal can be directly determined according to the position of the resident mobile network cell in the address information base, namely the installed position of a wireless network corresponding to the cell. The number of wireless networks connected with the terminal is not too large generally, and the installed positions of all the wireless networks can be recorded. Because the service cell and the installed address do not belong to the same network address, the general range of the service cell is larger, and the installed address is more accurate, the indoor position of the terminal can be determined by comparing the distances between the service cell and each installed address. Because a wireless network is deployed in the current common indoor scene, the terminal can be connected, and the indoor position of the terminal can be accurately determined according to the record of the terminal connected with the wireless network by applying the scheme.
In the method of the above embodiment, an address information base is pre-established, and the address information base includes: the method comprises the steps of inquiring an address information base according to the user number of a terminal according to position information such as the position of each mobile network cell where the terminal resides and the installed position of each wireless network which is historically connected with the terminal, and determining the position of the terminal according to the distance between the position of a service cell which is currently connected with the terminal and each position in the address information base. The method of the embodiment integrates the front-end and back-end data of the operator, analyzes the behavior of the mobile user accessing the internet through the wireless network and the mobile network, positions of the user are located aiming at indoor scenes, the position of an indoor distribution system can be accurate to a floor, the installation position of the wireless network can even be accurate to a room, and the accuracy of indoor location is greatly improved.
In order to further improve the accuracy of indoor positioning, the present disclosure also provides a positioning method further improved in view of the above solutions, which is described below with reference to fig. 2.
Fig. 2 is a flow chart of other embodiments of a positioning method of the present disclosure. As shown in fig. 2, the method of this embodiment includes: steps S202 to S210.
Step S202, the current service cell of the terminal is obtained.
The current serving cell of the terminal may be obtained from a measurement report of the terminal.
Step S204, determining whether the service cell is a source cell of the indoor distribution system, if so, executing step S206, otherwise, executing step S210.
The indoor distribution system is a scheme for improving the mobile communication environment in a building aiming at indoor user groups, and the indoor antenna distribution system is used for uniformly distributing signals of a mobile base station at each indoor corner, so that an indoor area is ensured to have ideal signal coverage. The source cell refers to a main service cell, namely a cell where devices such as a repeater, a Remote Radio Unit (RRU) and the like are located.
The operator system can record which cells are the information source cells of the indoor distribution system, and can inquire whether the cell is the information source cell of the indoor distribution system or not through the acquired service cell identification.
Step S206, determining the number of indoor distribution systems in the source cell, and determining whether there are only 1 indoor distribution system in the source cell, if yes, executing step S207, otherwise executing step S208.
The source cell may correspond to one or more indoor distribution systems.
Step S207, the location of the indoor distribution system is determined as the location of the terminal.
If the source cell only corresponds to 1 indoor distribution system and the serving cell of the terminal is the source cell, it can be determined that the terminal is in the indoor distribution system. The operator system can record the deployment position of the indoor distribution system, and the deployment position can be generally accurate to the floor, so that the accurate position of the terminal in the room can be obtained.
Step S208 is to determine the location of the indoor distribution system closest to the neighboring cell with the strongest received signal as the location of the terminal.
And acquiring the receiving signals of all the adjacent cells received by the terminal from the measurement report, determining the adjacent cell with the strongest receiving signal, and determining the position of the indoor distribution system with the closest distance as the position of the terminal.
Step S210, acquiring the user number of the terminal.
The subscriber number of the terminal may be determined by associating the measurement report with the MME log.
Step S212, inquiring the corresponding address information base according to the user number.
Step S214, determining whether the serving cell and each mobile network cell where the terminal resides are the same cell, if yes, performing step S216, otherwise, performing step S218.
Step S216 determines the location of the mobile network cell that is the same cell as the serving cell as the location of the terminal.
The position of a mobile network cell where the terminal resides is an installed position of a wireless network which is connected with the terminal in history and has a difference with the position of the mobile network cell smaller than a preset distance.
Step S218, determining whether the distance between the position of the service cell and the installed position of each wireless network which the terminal is connected with historically is smaller than a threshold value, if so, executing step S220.
In step S220, the installed location of the wireless network to which the terminal having the distance from the location of the serving cell smaller than the threshold is historically connected is determined as the location of the terminal.
According to the method of the embodiment, under the condition that the service cell of the terminal is the information source cell of the indoor distribution system, the position of the terminal is determined according to the indoor distribution system, and the position of the terminal is determined according to the address information base in the information source cell of the service cell which is not the indoor distribution system, so that the indoor positioning efficiency and the positioning accuracy are improved.
The present disclosure also provides a positioning device, described below in conjunction with fig. 3.
FIG. 3 is a block diagram of some embodiments of a positioning device of the present disclosure. As shown in fig. 3, the apparatus 30 of this embodiment includes: an information acquisition module 302, an address query module 304, and a location determination module 306.
An information obtaining module 302, configured to obtain a current serving cell and a user number of the terminal. For example, the information obtaining module 302 is configured to execute step S102.
In some embodiments, the information obtaining module 302 is configured to obtain a serving cell from a measurement report of a terminal, backfill a subscriber number in a mobility management entity log into the measurement report of the terminal according to a correlation between the measurement report of the terminal and the mobility management entity log, and obtain the subscriber number.
And the address query module 304 is configured to query a corresponding address information base according to the user number. For example, the address query module 304 is configured to execute step S104.
The address information base includes, for example: the location of each mobile network cell where the terminal resides, and the installed location of each wireless network to which the terminal has historically connected. Each mobile network cell in which the terminal resides includes, for example: and the mobile network cell with the historical connection times of the terminal reaching the threshold value in the working period and the mobile network cell with the historical connection times of the terminal reaching the threshold value in the non-working period. Each mobile network cell where the terminal resides can be obtained from a measurement report or a CDR. The installed positions of the wireless networks which are historically connected with the terminal are extracted and obtained according to the incidence relation between the wired service number in the billing system CRM and the installed positions of the wireless networks which are historically connected with the terminal, and the wired service number is extracted from data in the deep message analysis system.
A location determining module 306, configured to determine the location of the terminal according to the distance between the location of the serving cell and each location in the address information base. For example, the position determination module 306 is configured to perform step S106.
In some embodiments, the location determining module 306 is configured to determine whether the serving cell and each mobile network cell where the terminal resides are the same cell, and determine the location of the mobile network cell as the location of the terminal in a case that the serving cell and one mobile network cell where the terminal resides are the same cell. The position of a mobile network cell where the terminal resides is an installed position of a wireless network which is connected with the terminal in history and has a difference with the position of the mobile network cell smaller than a preset distance.
Or, the location determining module 306 is configured to determine a distance between the location of the serving cell and an installed location of each wireless network to which the terminal is historically connected, and determine the installed location of the wireless network as the location of the terminal when the distance between the serving cell and the installed location of one wireless network to which the terminal is historically connected is smaller than a threshold.
In some embodiments, the positioning device 30 may further include: an auxiliary positioning module 308.
The auxiliary positioning module 308 is configured to determine whether the serving cell is an information source cell of the indoor distribution system, and trigger the address querying module 304 to perform a step of querying a corresponding address information base according to the user number when the serving cell is not the information source cell of the indoor distribution system.
In some embodiments, the auxiliary positioning module 308 is configured to determine the number of indoor distribution systems in the source cell if the serving cell is the source cell of the indoor distribution systems, and determine the location of the indoor distribution system as the location of the terminal if there is only one indoor distribution system in the source cell.
In some embodiments, the auxiliary positioning module 308 is configured to determine, in a case that the serving cell is a source cell of an indoor distribution system, the number of indoor distribution systems in the source cell, and determine, as the location of the terminal, a location of an indoor distribution system closest to a neighboring cell with a strongest received signal in a case that the number of indoor distribution systems in the source cell is greater than 1.
The present disclosure also provides a computer readable storage medium having a computer program stored thereon, wherein the program, when executed by a processor, implements the steps of the positioning method of any of the preceding embodiments.
The positioning apparatus in the embodiments of the present disclosure may each be implemented by various computing devices or computer systems, which are described below in conjunction with fig. 4 and 5.
FIG. 4 is a block diagram of some embodiments of a positioning device of the present disclosure. As shown in fig. 1, the apparatus 40 of this embodiment includes: a memory 410 and a processor 420 coupled to the memory 410, the processor 420 configured to perform a positioning method in any of the embodiments of the present disclosure based on instructions stored in the memory 410.
FIG. 5 is a block diagram of still further embodiments of a positioning device of the present disclosure. As shown in fig. 5, the apparatus 50 of this embodiment includes: memory 510 and processor 520 are similar to memory 410 and processor 420, respectively. An input output interface 530, a network interface 540, a storage interface 550, and the like may also be included. These interfaces 530, 540, 550 and the connections between the memory 510 and the processor 520 may be, for example, via a bus 560. The input/output interface 530 provides a connection interface for input/output devices such as a display, a mouse, a keyboard, and a touch screen. The network interface 540 provides a connection interface for various networking devices, such as a database server or a cloud storage server. The storage interface 550 provides a connection interface for external storage devices such as an SD card and a usb disk.
As will be appreciated by one skilled in the art, embodiments of the present disclosure may be provided as a method, system, or computer program product. Accordingly, the present disclosure may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present disclosure may take the form of a computer program product embodied on one or more computer-usable non-transitory storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present disclosure is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the disclosure. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The above description is only exemplary of the present disclosure and is not intended to limit the present disclosure, so that any modification, equivalent replacement, or improvement made within the spirit and principle of the present disclosure should be included in the scope of the present disclosure.
Claims (10)
1. A method of positioning, comprising:
acquiring a current service cell and a user number of a terminal;
determining whether the service cell is an information source cell of an indoor distribution system;
determining the number of indoor distribution systems in an information source cell of an indoor distribution system when the service cell is the information source cell; under the condition that only one indoor distribution system exists in the information source cell, determining the position of the indoor distribution system as the position of the terminal; determining the position of the indoor distribution system closest to the adjacent cell with the strongest received signal as the position of the terminal under the condition that the number of the indoor distribution systems under the information source cell is more than 1;
under the condition that the service cell is not an information source cell of an indoor distribution system, inquiring a corresponding address information base according to the user number, wherein the address information base comprises: the position of each mobile network cell where the terminal resides and the installed position of each wireless network which the terminal is historically connected with;
determining the location of the terminal according to the distance between the location of the serving cell and each location in the address information base, including:
determining whether the serving cell and each mobile network cell where the terminal resides are the same cell, and determining the position of the mobile network cell as the position of the terminal under the condition that the serving cell and one mobile network cell where the terminal resides are the same cell;
the position of the mobile network cell where the terminal resides is an installed position of a wireless network which is connected with the terminal in history and has a difference with the position of the mobile network cell smaller than a preset distance.
2. The positioning method according to claim 1,
or, determining the distance between the position of the serving cell and the installed position of each wireless network historically connected with the terminal, and determining the installed position of the wireless network as the position of the terminal when the distance between the serving cell and the installed position of one wireless network historically connected with the terminal is smaller than a threshold value.
3. The positioning method according to any one of claims 1-2,
the acquiring the current serving cell and the user number of the terminal comprises:
acquiring the serving cell from a measurement report of the terminal;
according to the relevance between the measurement report of the terminal and the mobile management entity log, the user number in the mobile management entity log is backfilled into the measurement report of the terminal, and the user number is obtained.
4. The positioning method according to any one of claims 1-2,
each mobile network cell where the terminal resides includes: the mobile network cell with the historical connection times of the terminal reaching the threshold value in the working period and the mobile network cell with the historical connection times of the terminal reaching the threshold value in the non-working period;
each mobile network cell where the terminal resides is obtained according to a measurement report or historical record data CDR;
the installed positions of the wireless networks which are historically connected with the terminal are obtained according to the incidence relation between the wired service number in the billing system CRM and the installed positions of the wireless networks which are historically connected with the terminal, and the wired service number is extracted from data in the deep message analysis system.
5. A positioning device, comprising:
the information acquisition module is used for acquiring the current service cell and the user number of the terminal;
the auxiliary positioning module is used for determining whether the service cell is an information source cell of an indoor distribution system or not, and triggering the address query module to execute a step of querying a corresponding address information base according to the user number under the condition that the service cell is not the information source cell of the indoor distribution system;
the auxiliary positioning module is configured to determine the number of indoor distribution systems in an information source cell of an indoor distribution system when the serving cell is the information source cell, and determine the position of the indoor distribution system as the position of the terminal when only one indoor distribution system is in the information source cell; determining the position of the indoor distribution system closest to the adjacent cell with the strongest received signal as the position of the terminal under the condition that the number of the indoor distribution systems under the information source cell is more than 1;
an address query module, configured to query a corresponding address information base according to the user number, where the address information base includes: the position of each mobile network cell where the terminal resides and the installed position of each wireless network which the terminal is historically connected with;
a location determining module, configured to determine a location of the terminal according to a distance between the location of the serving cell and each location in the address information base;
the location determining module is configured to determine whether the serving cell and each mobile network cell where the terminal resides are the same cell, and determine the location of the mobile network cell as the location of the terminal when the serving cell and one mobile network cell where the terminal resides are the same cell;
the position of the mobile network cell where the terminal resides is an installed position of a wireless network which is connected with the terminal in history and has a difference with the position of the mobile network cell smaller than a preset distance.
6. The positioning device of claim 5,
the position determining module is further configured to determine a distance between the position of the serving cell and an installed position of each wireless network historically connected to the terminal, and determine the installed position of the wireless network as the position of the terminal when the distance between the serving cell and the installed position of one wireless network historically connected to the terminal is smaller than a threshold.
7. The positioning device according to any one of claims 5 to 6,
the information acquisition module is used for acquiring the service cell from the measurement report of the terminal, backfilling the user number in the mobile management entity log into the measurement report of the terminal according to the relevance between the measurement report of the terminal and the mobile management entity log, and acquiring the user number.
8. The positioning device according to any one of claims 5 to 6,
each mobile network cell where the terminal resides includes: the mobile network cell with the historical connection times of the terminal reaching the threshold value in the working period and the mobile network cell with the historical connection times of the terminal reaching the threshold value in the non-working period;
each mobile network cell where the terminal resides is obtained according to a measurement report or historical record data CDR;
the installed positions of the wireless networks which are historically connected with the terminal are extracted and obtained according to the incidence relation between the wired service number in the billing system CRM and the installed positions of the wireless networks which are historically connected with the terminal, and the wired service number is extracted from data in the deep message analysis system.
9. A positioning device, comprising:
a memory; and
a processor coupled to the memory, the processor configured to perform the positioning method of any of claims 1-4 based on instructions stored in the memory device.
10. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of the method according to any one of claims 1 to 4.
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