CN115915006A - Equipment positioning method and system, storage medium and electronic device - Google Patents
Equipment positioning method and system, storage medium and electronic device Download PDFInfo
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Abstract
The embodiment of the invention provides a device positioning method and system, a storage medium and an electronic device, wherein the method comprises the following steps: a Gateway Mobile Location Center (GMLC) receives a location request for locating a target terminal sent by a location service client; the positioning request carries initial identification information of a target terminal; the GMLC sends the initial identification information to a wireless access network; the GMLC receives the identification of the radio remote unit RPPU where the target terminal is located, which is sent by the target node of the wireless access network; and determining the position information with the matched identifier as the target position information of the target terminal. The invention solves the problem that the specific position of the mobile terminal in the building cannot be positioned.
Description
Technical Field
The invention relates to the technical field of mobile communication network positioning, in particular to a device positioning method and system, a storage medium and an electronic device.
Background
With the progress of the construction of 5G networks in the country of communications carriers, the construction direction is also shifted from outdoor macro coverage to indoor deep coverage. For indoor coverage business and industry vertical application expansion, indoor accurate positioning is a strong requirement, but the traditional positioning mode based on GPS signals cannot meet the requirement of indoor business position service, that is to say, the equipment positioning method in the related art is used for positioning outdoor equipment of a building and cannot be used for positioning specific positions in the building.
In view of the above-mentioned problem that the specific position of the mobile terminal in the building cannot be located, no effective solution has been proposed at present.
Disclosure of Invention
The embodiment of the invention provides a device positioning method and system, a storage medium and an electronic device, which are used for at least solving the problem that the specific position of a mobile terminal in a building cannot be positioned in the related art.
According to an embodiment of the present invention, there is provided an apparatus positioning method including: a Gateway Mobile Location Center (GMLC) receives a location request for locating a target terminal sent by a location service client; wherein, the positioning request carries the initial identification information of the target terminal; the GMLC sends the initial identification information to a wireless access network; the GMLC receives the identifier of the radio remote unit RPPU where the target terminal is located, which is sent by the target node; and the GMLC determines the position information with the matched identifier as the target position information of the target terminal.
According to another embodiment of the present invention, there is provided an apparatus positioning device including: a first receiving unit, configured to enable a gateway mobile location center GMLC to receive a location request for locating a target terminal, where the location request is sent by a location service client; wherein, the positioning request carries the initial identification information of the target terminal; a transmitting unit, configured to enable the GMLC to transmit the initial identification information to a radio access network; a second receiving unit, configured to enable the GMLC to receive an identifier, sent by the target node, of a radio remote unit RPPU where the target terminal is located; and a determining unit configured to determine, by the GMLC, the location information with the matching identifier as target location information of the target terminal.
According to a further embodiment of the present invention, there is also provided a computer-readable storage medium, in which a computer program is stored, wherein the computer program is arranged to perform the steps in any of the above method embodiments when executed.
According to yet another embodiment of the present invention, there is also provided an electronic device, including a memory and a processor, the memory having a computer program stored therein, the processor being configured to execute the computer program to perform the steps in any of the method embodiments.
According to the invention, as the gateway mobile location center GMLC is adopted to receive the location request for locating the target terminal sent by the location service client; wherein, the positioning request carries the initial identification information of the target terminal; the GMLC sends the initial identification information to a wireless access network; the GMLC receives the identifier of the radio remote unit RPPU where the target terminal is located, which is sent by the target node; determining the location information matched with the identifier as the target location information of the target terminal; therefore, the specific position of the target terminal is determined according to the identification of the remote radio unit RPPU where the target terminal is located, the problem that the specific position of the mobile terminal in the building cannot be located can be solved, and the technical effect of accurately locating the mobile terminal in the building is achieved.
Drawings
Fig. 1 is a block diagram of a hardware structure of a mobile terminal of a device location method according to an embodiment of the present invention;
FIG. 2 is a flow chart of a method of device location according to an embodiment of the present invention;
FIG. 3 is a flow chart of another method of device location according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of an apparatus positioning system architecture according to an embodiment of the present invention;
FIG. 5 is a flow chart of yet another method of device location according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a device positioning apparatus according to an embodiment of the present invention.
Detailed Description
Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings in conjunction with the embodiments.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.
The method embodiments provided in the embodiments of the present application may be executed in a mobile terminal, a computer terminal, or a similar computing device. Taking the mobile terminal as an example, fig. 1 is a block diagram of a hardware structure of the mobile terminal of an apparatus positioning method according to an embodiment of the present invention. As shown in fig. 1, the mobile terminal may include one or more (only one shown in fig. 1) processors 102 (the processor 102 may include, but is not limited to, a processing device such as a microprocessor MCU or a programmable logic device FPGA), and a memory 104 for storing data, wherein the mobile terminal may further include a transmission device 106 for communication functions and an input-output device 108. It will be understood by those of ordinary skill in the art that the structure shown in fig. 1 is only an illustration and is not intended to limit the structure of the mobile terminal. For example, the mobile terminal may also include more or fewer components than shown in FIG. 1, or have a different configuration than shown in FIG. 1.
The memory 104 may be used for storing computer programs, for example, software programs and modules of application software, such as computer programs corresponding to the device location method in the embodiment of the present invention, and the processor 102 executes various functional applications and data processing by running the computer programs stored in the memory 104, thereby implementing the above-mentioned method. The memory 104 may include high-speed random access memory, and may also include non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid-state memory. In some examples, the memory 104 may further include memory located remotely from the processor 102, which may be connected to the mobile terminal over a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The transmission device 106 is used for receiving or transmitting data via a network. Specific examples of the network described above may include a wireless network provided by a communication provider of the mobile terminal. In one example, the transmission device 106 includes a Network adapter (NIC), which can be connected to other Network devices through a base station so as to communicate with the internet. In one example, the transmission device 106 may be a Radio Frequency (RF) module, which is used for communicating with the internet in a wireless manner.
In this embodiment, a device positioning method is provided, as shown in fig. 2, where fig. 2 is a flowchart of a device positioning method according to an embodiment of the present invention, and includes the following steps:
step S202, a Gateway Mobile Location Center (GMLC) receives a location request for locating a target terminal sent by a location service client; wherein, the positioning request carries the initial identification information of the target terminal;
step S204, the GMLC sends the initial identification information to a wireless access network;
step S206, the GMLC receives the identifier of the remote radio unit RPPU where the target terminal is located, which is sent by the target node of the radio access network;
in step S208, the GMLC determines the location information with the matching identifier as the target location information of the target terminal.
In step S302, in practical applications, the LoCation server Client may include, but is not limited to, various LoCation clients, (LoCation Services, LCS), client clients or Network development functions (NEF). And are not limited herein.
In step S204, in actual application, the initial identification information may include, but is not limited to, a mobile phone number of the user, a General Public Subscriber Identity (GPSI) or a user Permanent identity (SUPI) identity. The Radio Access Network may be a 4G or 5G Radio Access Network (RAN).
In step S206, in practical application, the target node may be an Access and Mobility Management Function (AMF) network element in the radio Access network, or a network element for transmitting communication information for other users, which is not limited herein.
In step S208, the target location information of the target terminal may include, but is not limited to, a specific floor of a mall, or a specific section of a mine or a tunnel in actual application.
According to the invention, as the gateway mobile location center GMLC is adopted to receive the location request for locating the target terminal sent by the location service client; wherein, the positioning request carries the initial identification information of the target terminal; the GMLC sends the initial identification information to a wireless access network; the GMLC receives the identification of the radio remote unit RPPU where the target terminal is located, which is sent by the target node; determining the location information matched with the identifier as the target location information of the target terminal; therefore, the specific position of the target terminal is determined according to the identifier of the remote radio unit RPPU where the target terminal is located, the problem that the specific position of the mobile terminal in the building cannot be positioned can be solved, and the technical effect of accurately positioning the mobile terminal in the building is achieved.
In an embodiment, the initial identification information includes at least one of: a user call code, a general public user identifier GPSI and a user permanent identifier SUPI;
in step S202, after the GMLC sends the initial identification information to the radio access network, the method includes: the location management function node LMF in the wireless access network converts the user call code of the target terminal into a network application protocol identifier NGAP ID and an acceptable cell global identifier NCGI; wherein, the NGAP ID user indicates a wireless network access point, and each cell indicated by the NCGI corresponds to at least one remote radio unit.
In an embodiment, after the GMLC sends the initial identification information to the target node of the radio access network, the method further includes: the wireless access network determines a target node of the wireless access network according to the NGAP ID; and the target node determines the identifier of the RPPU corresponding to the target terminal according to the NCGI.
In an embodiment, before the gateway mobile location center GMLC receives a location request for locating a target terminal sent by a location service client, the method includes: and adding the mapping relation among the identifiers of the NCGI and the pRRU and the target position in a base station data table.
In one embodiment, the target location comprises at least one of: longitude and latitude, the number of floors of a building, or the location area of a tunnel, without limitation.
In one embodiment, the device location method further comprises: the GMLC calls a user data management Unit (UDM) to determine an access and mobile management function node (AMF) corresponding to the target terminal; the AMF is used for forwarding interaction data between the LMF and the GMLC and forwarding interaction data between the LMF and the radio access network.
In an embodiment, the device location method further comprises: and when the target terminal is not connected with the AMF, the AMF initiates a service request instruction triggered by a network to the target terminal so as to establish a signaling connection between the target terminal and the AMF.
With the development of technology, a digital room distribution system is a room decomposition solution appearing in recent years, and is generally concerned by main equipment manufacturers. The main equipment manufacturers propose respective solutions. The novel digital room subsystem basic architecture is composed of a baseband processing unit (BBU), a remote common radio frequency interface CPRI data aggregation unit and a remote radio unit (picoRRU). And the remote CPRI data convergence unit is responsible for branching and converging CPRI data of the pRRU. The pRRU implements processing of radio frequency signals. The BBU and the remote CPRI data convergence unit are connected through optical fibers, and the remote CPRI data convergence unit and the pRRU are connected through network cables.
With the abundant development of 5G services, the demand for indoor positioning enhancement is more and more strong. The main scenes of 5G indoor positioning are personnel positioning in business supermarkets/airports/venues, factory personnel positioning, and personnel positioning in mines/tunnels. Indoor positioning is realized based on the pRRU, and the method and the device do not need to separately build a positioning network and do not need a specific terminal or a tag for industrial users, so that the method and the device are a very good indoor positioning means and technology.
Generally, when indoor coverage is performed on a mall, a mine, a tunnel and a hospital, when a plurality of prrus are mounted under one CELL identity CELL ID, how the LMF obtains the pRRU-ID, and then performs relatively accurate coarse positioning on the UE, for example, it is known under which pRRU the current UE is, and further, the current UE can be positioned to a floor, a mine tunnel and the like. There is no coverage in the 3GPP specifications and a solution is needed.
Based on the foregoing embodiment, in an application embodiment, as shown in fig. 3, the apparatus positioning method further includes:
s302, maintaining a corresponding relation between the pRRU ID and the position in a base station data table by a (gateway mobile location center) GMLC; here, the base station data table is stored in the GMLC.
S304, the GMLC receives a positioning request initiated by LCS Cli ent or NEF;
s306, the GMLC is taken as a service consumer, and the Namf _ Location _ Providedepositioning Info service provided by the AMF is called;
s308, the AMF receives a ProvidePositioning Info providing request from the GMLC;
s310, AMF calls Nlmf _ Location _ DetermineLocation to LMF, and transmits UE NGAP ID to LMF;
s312, the LMF analyzes inputdata of the Determinelocation, and then transmits RAN UE NGAP ID and NCGI to the NGRAN;
s314, the NGRAN returns the corresponding pRRU-ID to the LMF according to the RAN UE NGAP ID + NCGI;
s316, the LMF returns a positioning result to the AMF, wherein the positioning result comprises the pRRU-ID;
s318, the AMF returns the positioning result to the GMLC, wherein the positioning result comprises the pRRU-ID;
and S320, the GMLC inquires a base station data table and acquires the position according to the pRRU-ID.
Based on the foregoing embodiments, in an application embodiment, an indoor positioning method based on a remote radio unit pRRU and an identifier thereof is also provided. In a specific networking diagram, as shown in fig. 4, an (http) interface between the LMF and the NGRAN is added on the basis of a standard interface for pRRU-ID query. The method can successfully solve the problem of how to acquire the pRRU-ID by the LMF under the condition of mounting a plurality of pRRUs under one CELLID (cell identity) so as to perform relatively accurate coarse positioning on the UE, and provides technical support for the pRRU-based 5G indoor positioning.
The MT-LR procedure for performing indoor positioning based on this method is as follows, as shown in fig. 5:
step S1: the external location service client sends a request to the GMLC for the target UE location identified by the GPSI or SUPI.
Step S2: the GMLC calls the numdm UECM Get service operation to the same Data Management function (UDM) to which the UE belongs.
And step S3: the UDM returns the address of the current serving AMF.
And step S4: the GMLC calls a Namf _ Location _ providepositioning info service operation to the AMF to request the current Location of the UE.
Step S5: if the UE is in CM IDLE state, the AMF initiates a network triggered service request procedure to establish a signaling connection with the UE.
Step S6: the AMF calls an Nlmf _ Location _ Determinelocation service operation to the LMF to request the current Location of the UE. The service operation inputdata includes NCGI and UE NGAP ID.
Step S7: the LMF analyzes inputdata of the DetermineLocation, then transmits the RAN UE NGAP ID and the NCGI to the NGRAN, and requests to inquire the ID of the pRRU where the current UE is located.
Step S8: and the NGRAN returns the ID of the pRRU where the current UE is located to the LMF according to the RAN UE NGAP ID and the NCGI.
Step S9: the LMF returns an Nlmf _ Location _ DetermineLocation response to the AMF to return the current Location of the UE, including the pRRU ID.
Step S10: the AMF returns a Namf _ Location _ providepositioning info response to the GMLC to return the current Location of the UE, including the pRRU ID.
Step S11: and the GMLC inquires a base station information table according to the pRRU ID, and sends a position result (longitude and latitude, a floor or a tunnel position area and the like) to an external position service client.
Through the technical means, the method can realize that the terminal can be positioned through the pRRU ID when the indoor scene adopts the pRRU to cover the signal; and the AMF can pass the RAN UE NGAP ID to the LMF, which looks up the pRRU ID from the NGRAN side by the RAN UE NGAP ID.
Through the above description of the embodiments, those skilled in the art can clearly understand that the method according to the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but the former is a better implementation mode 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 is stored in a storage medium (e.g., ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal device (e.g., a mobile phone, a computer, a server, or a network device) to execute the method according to the embodiments of the present invention.
In this embodiment, a processing apparatus for graphics rendering is further provided, where the apparatus is used to implement the foregoing embodiments and preferred embodiments, and details are not repeated for what has been described. As used below, the term "module" may be a combination of software and/or hardware that implements a predetermined function. Although the means described in the embodiments below are preferably implemented in software, an implementation in hardware, or a combination of software and hardware is also possible and contemplated.
Fig. 6 is a block diagram of a device positioning apparatus according to an embodiment of the present invention, as shown in fig. 6, the apparatus includes:
a first receiving unit 602, configured to enable a gateway mobile location center GMLC to receive a location request for locating a target terminal, where the location request is sent by a location service client; wherein, the positioning request carries the initial identification information of the target terminal;
a sending unit 604, configured to enable the GMLC to send the initial identification information to a radio access network;
a second receiving unit 606, configured to enable the GMLC to receive, sent by the target node, an identifier of a radio remote unit RPPU where the target terminal is located;
a determining unit 608, configured to enable the GMLC to determine the location information with the matching identifier as target location information of the target terminal.
In the embodiment of the present invention, the LoCation server Client may include, but is not limited to, various LoCation clients, (localization Services, LCS), client clients or (Network export Function, NEF). And are not limited herein.
In the embodiment of the present invention, the initial identification information may include, but is not limited to, a mobile phone number of the user, a General Public Subscriber Identity (GPSI) or a user Permanent identity (SUPI) Identifier. The Radio Access Network may be a 4G or 5G Radio Access Network (RAN).
In the embodiment of the present invention, the target node may be an Access and Mobility Management Function (AMF) network element in a radio Access network, and may also be a network element for transmitting communication information for other users, which is not limited herein.
In the embodiment of the present invention, the target location information of the target terminal may include, but is not limited to, a specific floor of a mall, or a specific section of a mine or a tunnel.
According to the invention, as the gateway mobile location center GMLC is adopted to receive the location request for locating the target terminal sent by the location service client; wherein, the positioning request carries the initial identification information of the target terminal; the GMLC sends the initial identification information to a wireless access network; the GMLC receives the identification of the radio remote unit RPPU where the target terminal is located, which is sent by the target node; determining the location information matched with the identifier as the target location information of the target terminal; therefore, the specific position of the target terminal is determined according to the identification of the remote radio unit RPPU where the target terminal is located, the problem that the specific position of the mobile terminal in the building cannot be located can be solved, and the technical effect of accurately locating the mobile terminal in the building is achieved.
It should be noted that, the above modules may be implemented by software or hardware, and for the latter, the following may be implemented, but not limited to: the modules are all positioned in the same processor; alternatively, the modules are respectively located in different processors in any combination.
Embodiments of the present invention also provide a computer-readable storage medium having a computer program stored thereon, wherein the computer program is arranged to perform the steps of any of the above-mentioned method embodiments when executed.
In an exemplary embodiment, the computer-readable storage medium may include, but is not limited to: various media capable of storing computer programs, such as a usb disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic disk, or an optical disk.
Embodiments of the present invention also provide an electronic device comprising a memory having a computer program stored therein and a processor arranged to run the computer program to perform the steps of any of the above method embodiments.
In an exemplary embodiment, the electronic apparatus may further include a transmission device and an input/output device, wherein the transmission device is connected to the processor, and the input/output device is connected to the processor.
For specific examples in this embodiment, reference may be made to the examples described in the foregoing embodiments and exemplary implementations, and details of this embodiment are not repeated herein.
It will be apparent to those skilled in the art that the various modules or steps of the invention described above may be implemented using a general purpose computing device, they may be centralized on a single computing device or distributed across a network of computing devices, and they may be implemented using program code executable by the computing devices, such that they may be stored in a memory device and executed by the computing device, and in some cases, the steps shown or described may be performed in an order different than that described herein, or they may be separately fabricated into various integrated circuit modules, or multiple ones of them may be fabricated into a single integrated circuit module. Thus, the present invention is not limited to any specific combination of hardware and software.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the principle of the present invention should be included in the protection scope of the present invention.
Claims (11)
1. A method for locating a device, comprising:
a Gateway Mobile Location Center (GMLC) receives a location request for locating a target terminal sent by a location service client; the positioning request carries initial identification information of the target terminal;
the GMLC sends the initial identification information to a wireless access network;
the GMLC receives the identification of the radio remote unit RPPU where the target terminal is located, which is sent by the target node of the wireless access network;
and the GMLC determines the position information matched with the identification as the target position information of the target terminal.
2. The method of claim 1, wherein the initial identification information comprises at least one of: a user call code, a general public user identifier GPSI and a user permanent identifier SUPI;
after the GMLC sends the initial identification information to the radio access network, the method includes:
a location management function node LMF in the wireless access network converts the user call code of the target terminal into a network application protocol identifier NGAP ID and an acceptable cell global identifier NCGI; wherein, the NGAP ID user indicates a wireless network access point, and each cell indicated by the NCGI corresponds to at least one remote radio unit.
3. The method of claim 2, wherein after the GMLC sends the initial identification information to a target node of a radio access network, further comprising:
the wireless access network determines a target node of the wireless access network according to the NGAP ID;
and the target node determines the identifier of the RPPU corresponding to the target terminal according to the NCGI.
4. The method according to claim 2, wherein before the gateway mobile location center GMLC receiving a location request for locating a target terminal sent by a location service client, comprising:
and adding the mapping relation among the identifiers of the NCGI and the pRRU and the target position in a base station data table.
5. The method of claim 4, wherein the target location comprises at least one of: latitude and longitude, number of floors of a building, or location area of a tunnel.
6. The method of claim 2, comprising:
the GMLC calls a user data management Unit (UDM) to determine an access and mobile management function node (AMF) corresponding to the target terminal; the AMF is used for forwarding interaction data between the LMF and the GMLC and forwarding interaction data between the LMF and the radio access network.
7. The method of claim 6, further comprising:
the AMF transparently transmits the user call code to the LMF and transparently transmits the NGAP ID and the NCGI to the wireless access network;
the AMF receives the RPPU identifier sent by the wireless access network and sends the RPPU identifier to the LMF;
and the AMF transparently transmits the initial position information fed back by the LMF and the RPPU identifier to the GMLC.
8. The method of claim 6, further comprising:
and when the target terminal is not connected with the AMF, the AMF initiates a service request instruction triggered by a network to the target terminal so as to establish a signaling connection between the target terminal and the AMF.
9. A device positioning system, comprising:
a first receiving unit, configured to enable a gateway mobile location center GMLC to receive a location request for locating a target terminal, where the location request is sent by a location service client; wherein, the positioning request carries the initial identification information of the target terminal;
a sending unit, configured to enable the GMLC to send the initial identification information to a radio access network;
a second receiving unit, configured to enable the GMLC to receive an identifier, sent by a target node of the radio access network, of a radio remote unit RPPU where the target terminal is located;
and the determining unit is used for enabling the GMLC to determine the position information matched with the identifier as the target position information of the target terminal.
10. A computer-readable storage medium, in which a computer program is stored, wherein the computer program is arranged to perform the method of any of claims 1 to 8 when executed.
11. An electronic device comprising a memory and a processor, wherein the memory has stored therein a computer program, and wherein the processor is arranged to execute the computer program to perform the method of any of claims 1 to 8.
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| CN202110999912.4A CN115915006A (en) | 2021-08-26 | 2021-08-26 | Equipment positioning method and system, storage medium and electronic device |
| PCT/CN2022/088527 WO2023024541A1 (en) | 2021-08-26 | 2022-04-22 | Device location method and system, and storage medium and electronic apparatus |
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| CN202110999912.4A CN115915006A (en) | 2021-08-26 | 2021-08-26 | Equipment positioning method and system, storage medium and electronic device |
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| US10051409B2 (en) * | 2015-01-27 | 2018-08-14 | Telefonaktiebolaget Lm Ericsson (Publ) | Positioning systems and methods for determining the location of a mobile communication device |
| CN106341871A (en) * | 2015-07-07 | 2017-01-18 | 中兴通讯股份有限公司 | Method and device for determining radio remote unit |
| CN105007623B (en) * | 2015-07-23 | 2018-09-25 | 京信通信系统（中国）有限公司 | A kind of room subsystem localization method and device |
| CN105517148B (en) * | 2015-12-04 | 2019-02-19 | 京信通信系统（中国）有限公司 | A kind of localization method and device |
| CN110913473B (en) * | 2018-09-18 | 2021-07-27 | 大唐移动通信设备有限公司 | Selection method, device, management function entity, access network node, GMLC and NRF |
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2022
- 2022-04-22 WO PCT/CN2022/088527 patent/WO2023024541A1/en unknown
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| WO2023024541A1 (en) | 2023-03-02 |
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