CN112770253B - Positioning method and device for emergency call, storage medium and electronic equipment - Google Patents
Positioning method and device for emergency call, storage medium and electronic equipment Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/025—Services making use of location information using location based information parameters
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/08—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using communication transmission lines
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/90—Services for handling of emergency or hazardous situations, e.g. earthquake and tsunami warning systems [ETWS]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The embodiment of the application discloses a positioning method, a device, a storage medium and electronic equipment for emergency call, wherein the method comprises the following steps: receiving a triggering instruction of an emergency call, and acquiring the height information of the current position acquired by a barometer; acquiring longitude information and latitude information of the current position acquired by a GPS module; generating target address information based on the altitude information, the longitude information, and the latitude information; and reporting the target address information to a gateway mobile position center so that the gateway mobile position center can position based on the target address information. By adopting the embodiment of the application, the position of the emergency call can be accurately positioned, and after the position is directly reported to the gateway mobile position center, the gateway mobile position center can also accurately position the position of the emergency call.
Description
Technical Field
The present disclosure relates to the field of communications technologies, and in particular, to a positioning method and apparatus for an emergency call, a storage medium, and an electronic device.
Background
When the user terminal makes an emergency call, the position of the user terminal needs to be positioned. At present, the positioning mode of the emergency call is as follows: the user terminal acquires the coordinate information acquired by the global positioning system (Global Positioning System, GPS) module, and sends the coordinate information to the gateway mobile position center, and the gateway mobile position center determines the address information of the user terminal based on the coordinate information.
The coordinate information acquired by the GPS module is not completely accurate, so that the address information determined by the gateway mobile position center deviates, and the position of the emergency call cannot be accurately positioned.
Disclosure of Invention
The embodiment of the application provides a positioning method, a device, a storage medium and electronic equipment for emergency call, which can accurately position the emergency call and enable a gateway mobile position center to quickly respond to the emergency call. The technical scheme is as follows:
in a first aspect, an embodiment of the present application provides a positioning method for an emergency call, where the method includes:
receiving a triggering instruction of an emergency call, and acquiring the height information of the current position acquired by a barometer;
acquiring longitude information and latitude information of the current position acquired by a GPS module;
generating target address information based on the altitude information, the longitude information, and the latitude information;
and reporting the target address information to a gateway mobile position center so that the gateway mobile position center can position based on the target address information.
In a second aspect, an embodiment of the present application provides a positioning device for an emergency call, where the device includes:
the height information acquisition module is used for receiving a triggering instruction of an emergency call and acquiring the height information of the current position acquired by the barometer;
the longitude and latitude information acquisition module is used for acquiring longitude information and latitude information of the current position acquired by the GPS module;
an address information generating module for generating target address information based on the altitude information, the longitude information, and the latitude information;
and the positioning module is used for reporting the target address information to a gateway mobile position center so that the gateway mobile position center performs positioning based on the target address information.
In a third aspect, embodiments of the present application provide a computer storage medium storing a plurality of instructions adapted to be loaded by a processor and to perform the above-described method steps.
In a fourth aspect, embodiments of the present application provide an electronic device, which may include: a processor and a memory; wherein the memory stores a computer program adapted to be loaded by the processor and to perform the above-mentioned method steps.
The technical scheme provided by some embodiments of the present application has the beneficial effects that at least includes:
in one or more embodiments of the present application, a trigger instruction of an emergency call is received, altitude information of a current location acquired by a barometer is acquired, longitude information and latitude information of the current location acquired by a GPS module are acquired, target address information is generated based on the altitude information, the longitude information and the latitude information, and the target address information is reported to a gateway mobile location center, so that the gateway mobile location center performs positioning based on the target address information. Wherein, the accurate altitude information can be obtained by the barometer, which is more accurate than the altitude information obtained by the GPS module, and meanwhile, the accurate longitude information and latitude information can be obtained by the GPS module, and the position of the emergency call can be accurately positioned, and the gateway mobile position center can accurately position the position of the emergency call after the position is directly reported to the gateway mobile position center.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a flow chart of a positioning method of an emergency call according to an embodiment of the present application;
fig. 2 is an exemplary schematic diagram of information reporting provided in an embodiment of the present application;
fig. 3 is a flowchart of another positioning method for an emergency call according to an embodiment of the present application;
FIG. 4 is an exemplary diagram of another information report provided in an embodiment of the present application;
fig. 5 is a flowchart of another positioning method for an emergency call according to an embodiment of the present application;
FIG. 6 is an exemplary diagram of another information report provided in an embodiment of the present application;
fig. 7 is a schematic structural diagram of a positioning device for emergency call according to an embodiment of the present application;
fig. 8 is a schematic structural diagram of an address information generating module according to an embodiment of the present application;
fig. 9 is a schematic structural diagram of a positioning module according to an embodiment of the present application;
fig. 10 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
In the description of the present application, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present application, it is to be understood that the terms "comprise" and "have," and any variations thereof, are intended to cover non-exclusive inclusions, unless otherwise specifically defined and defined. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those listed steps or elements but may include other steps or elements not listed or inherent to such process, method, article, or apparatus. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context. Furthermore, in the description of the present application, unless otherwise indicated, "a plurality" means two or more. "and/or", describes an association relationship of an association object, and indicates that there may be three relationships, for example, a and/or B, and may indicate: a exists alone, A and B exist together, and B exists alone. The character "/" generally indicates that the context-dependent object is an "or" relationship.
The present application is described in detail with reference to specific examples.
In one embodiment, as shown in fig. 1, a method for locating an emergency call is proposed, which can be implemented in dependence on a computer program and can be run on a von neumann system-based emergency call locating device. The computer program may be integrated in the application or may run as a stand-alone tool class application. The positioning device of the emergency call may be a user terminal including, but not limited to: personal computers, tablet computers, handheld devices, vehicle mounted devices, wearable devices, computing devices, or other processing devices connected to a wireless modem, and the like. Terminal devices in different networks may be called different names, for example: a user equipment, an access terminal, a subscriber unit, a subscriber station, a mobile station, a remote terminal, a mobile device, a user terminal, a wireless communication device, a user agent or user equipment, a cellular telephone, a cordless telephone, a terminal device in a 5G network or a future evolution network, etc.
Specifically, the positioning method of the emergency call comprises the following steps:
s101: and receiving a triggering instruction of the emergency call, and acquiring the height information of the current position acquired by the barometer.
The execution subject of the embodiment is a user terminal, and the emergency call refers to that the user uses the user terminal to alarm or ask for help when encountering an emergency.
The triggering instruction is a signal for triggering the user terminal to perform positioning when the user performs an emergency call operation, for example, when the user uses the smart phone to dial the alarm number 110 or the emergency number 120 to perform an emergency call, the input alarm number 110 or the emergency number 120 is a triggering instruction for triggering the smart phone to perform positioning on the current location.
Specifically, when the trigger instruction is received, the current position of the user terminal is positioned. First, altitude information, longitude information and latitude information of the current position are measured. And measuring the height information of the current position by the barometer.
The barometer is a device for converting the atmospheric pressure into the altitude information by measuring the change of the atmospheric pressure and according to the corresponding relation between the atmospheric pressure and the altitude. The altitude information refers to the vertical distance between the current position and the average sea level, namely the altitude. Wherein, the atmospheric pressure and altitude's correspondence is: the higher the altitude, the lower the atmospheric pressure; the lower the altitude, the greater the atmospheric pressure.
The barometer may be a member of the user terminal, or may be a device connected to the user terminal for measuring height information.
S102: and acquiring longitude information and latitude information of the current position acquired by the GPS module.
The GPS module refers to an integrated circuit in the user terminal that integrates a Radio Frequency (RF) chip, a baseband chip, a central processing unit (Central Processing Unit, CPU), and related peripheral circuits.
Specifically, the GPS module can perform real-time positioning on the global scope by utilizing GPS positioning satellites, so that longitude information and latitude information of the current position are measured. And connecting a point on the ground sphere with the north and south poles, wherein the degree of an included angle between the connecting line and a plane where the 0-degree meridian is located is longitude information of the point. The latitude information refers to the degree of an included angle between the surface normal of a point on the surface of the earth and the equatorial plane.
S103: target address information is generated based on the altitude information, the longitude information, and the latitude information.
Specifically, for an indoor scene, the altitude information, the longitude information and the latitude information are converted to generate target address information in a preset format, wherein the preset format comprises an address format of a street and an address format of a floor.
The address information of the current street can be determined according to the longitude information and the latitude information, and the address information of the current floor can be determined according to the altitude information.
For example, the longitude information of the current location is 116.411384 ° and the latitude information is 39.919832 °, and the street information of the current location may be determined to be the temple 9 of the eastern urban area of beijing. The height information of the current position is 13m, and taking the height of each floor as an example, 2.5m is taken as the height information of each floor, the floor information of the current position can be determined to be six floors.
Optionally, for the outdoor scene, the height information is height data below 2.5m, the address information of the street where the user is currently located can be determined according to the longitude information and the latitude information, and the address information of the street where the user is currently located is the target address information.
S104: and reporting the target address information to a gateway mobile position center so that the gateway mobile position center can position based on the target address information.
The process of reporting the target address information to the gateway mobile location center may be: forwarding the destination address information to the gateway mobile location center (Gateway Mobile Location Center, GMLC) through a serving mobile location center (Serving Mobile Location Center, SMLC). The gateway mobile location center refers to a first node of the external location program accessing the public land mobile network, and in this embodiment, the user terminal accesses the public land mobile network, so as to report the target address information.
Specifically, the SMLC converts the target address information generated by the user terminal into network transmission data based on the long term evolution positioning protocol (LongTermEvolutionPositioningProtocol, LPP) using the fourth generation mobile communication technology (the 4th generation mobile communication technology,4G), and transmits the network transmission data to the GMLC. Wherein the LPP protocol is defined by the third generation partnership project (3rd Generation Partnership Project,3GPP) based on long term evolution technology (LongTermEvolutionPositioning, LTE) supporting location services (Localization Service, LCS) under a wireless network (e.g., 4G).
Optionally, the SMLC converts the target address information generated by the user terminal into network transmission data based on LPPe protocol using 4G. Among them, the LPPe protocol is an extension protocol of the LPP protocol.
As shown in fig. 2, taking a smart phone as an example, after the smart phone 201 obtains altitude information, longitude information, and latitude information, it generates target address information, and sends the address information to the service mobile location center 202; the service mobile location center 202 converts the target address information into network transmission data and sends the network transmission data to the gateway mobile location center 203; the gateway mobile location center 203 reads the network transmission data to obtain target address information, and determines the current location of the user terminal based on the target address information.
In the embodiment of the application, accurate height information can be acquired through the barometer, compared with the GPS module, the GPS module can acquire accurate longitude information and latitude information, and then the position of the emergency call can be accurately positioned, and after the position is directly reported to the gateway mobile position center, the gateway mobile position center can also accurately position the position of the emergency call.
Referring to fig. 3, fig. 3 is a flowchart illustrating another embodiment of a positioning method for an emergency call according to the present application. Specific:
s201: and receiving a triggering instruction of the emergency call, and acquiring the height information of the current position acquired by the barometer.
See S101 for details, and are not described here again.
S202: and acquiring longitude information and latitude information of the current position acquired by the GPS module.
See S102 for details, which are not described here again.
It should be noted that, in the embodiment of the present application, there is no limitation on the order of executing the step of acquiring the altitude information of the current location acquired by the barometer and the step of executing the step of acquiring the longitude information and the latitude information of the current location acquired by the GPS module, the longitude information and the latitude information of the current location acquired by the GPS module may be acquired first, then the altitude information of the current location acquired by the barometer may be acquired, and the acquired altitude information, longitude information and latitude information may also be acquired simultaneously.
S203: and acquiring a map coordinate system in the electronic map.
The electronic map refers to a map digitally stored and referred to using computer technology.
Specifically, the user terminal may store the electronic map locally, and read the stored electronic map when positioning, so as to determine a map coordinate system in the electronic map.
Optionally, the user terminal may download the electronic map on the internet and determine a map coordinate system of the electronic map, or may select an appropriate map coordinate system from different map coordinate systems and download an electronic map corresponding to the appropriate map coordinate system.
The map coordinate system refers to a coordinate system used by the electronic map to define the earth's surface location. The map coordinate system includes the world earth coordinate system in 1984 (World Geodetic System-1984, WGS-84 coordinate system), BD09 coordinate system, GCJ02 coordinate system, and the national earth coordinate system in 2000 (China Geodetic Coordinate System, CGCS2000).
S204: and calculating the altitude information, the longitude information and the latitude information according to a conversion algorithm of the map coordinate system and the GPS coordinate system to generate the target address information.
Due to incompatibility between the map coordinate systems, when determining the target address information based on the altitude information, the longitude information, and the latitude information, the target address position may be shifted. Therefore, when the altitude information, the longitude information, and the latitude information are converted to generate target address information in a preset format, the altitude information, the longitude information, and the latitude information are converted to coordinate information in the map coordinate system.
S205: and reporting the target address information to a gateway mobile position center so that the gateway mobile position center can position based on the target address information.
See S104 for details, which will not be described here.
Optionally, the user terminal acquires a public safety answering point address, determines a public safety answering point corresponding to the public safety answering point address, establishes an emergency session link with the public safety answering point, and reports the target address information to the public safety answering point so that the public safety answering point can be positioned based on the target address information.
The public safety answering point (PublicSafetyAccessPoint, PSAP) address can be determined by the gateway mobile location center based on the target address information to be the nearest public safety answering point address to the location of the user terminal. The user terminal and the public safety answering point can establish an emergency session link through the gateway mobile location center.
The process of reporting the target address information to the gateway mobile location center may be: the destination address information is forwarded to the gateway mobile location center (Gateway Mobile Location Center, GMLC) by a location management function (LocationManagement Function, LMF).
Specifically, the location management function (LocationManagement Function, LMF) entity converts the target address information generated by the ue into network transmission data based on the long term evolution location protocol (LongTermEvolutionPositioningProtocol, LPP) by using the fifth generation mobile communication technology (the 5th generation mobile communication technology,5G), and sends the network transmission data to the GMLC, and then the GMLC sends the network transmission data to the PASP.
Optionally, the LMF entity converts the target address information generated by the user terminal into network transmission data based on the LPPe protocol using 5G. Among them, the LPPe protocol is an extension protocol of the LPP protocol.
As shown in fig. 4, an exemplary diagram of information reporting is shown, taking a smart phone as an example, after the smart phone 401 obtains altitude information, longitude information and latitude information, target address information is generated, and the address information is sent to the location management function entity 402; the location management function entity 402 converts the target address information into network transmission data and sends the network transmission data to the gateway mobile location center 403; the gateway mobile location center 403 forwards the network transmission data to the public safety answering point 404; public safety answering point 404 reads the network transmission data to obtain target address information, and determines the current location of the user terminal based on the target address information.
In the embodiment of the application, accurate height information can be acquired through the barometer, compared with the GPS module, the GPS module can acquire accurate longitude information and latitude information, and then the position of the emergency call can be accurately positioned, and after the position is directly reported to the gateway mobile position center, the gateway mobile position center can also accurately position the position of the emergency call. In addition, according to the conversion algorithm of the map coordinate system and the GPS coordinate system, the altitude information, the longitude information and the latitude information are converted, so that the target address information generated on the electronic map is not offset, and the positioning is more accurate.
Referring to fig. 5, fig. 5 is a flowchart illustrating another embodiment of a positioning method for an emergency call according to the present application. Specific:
s301: and receiving a triggering instruction of the emergency call, and acquiring the height information of the current position acquired by the barometer.
See S201 for details, and will not be described here.
S302: and acquiring longitude information and latitude information of the current position acquired by the GPS module.
See S202 for details, and will not be described here.
S303: and calling an interface of an electronic map application program, inputting the altitude information, the longitude information and the latitude information into the electronic map application program, and generating the target address information.
The electronic map application refers to electronic map software that utilizes a geographic information system to store and transmit map data while providing positioning and navigation services, including but not limited to hundred degree maps, high-altitude maps, and vacation maps.
Specifically, an interface of the electronic map application program is called to realize communication between the user terminal and the electronic map application program, so that the altitude information, the longitude information and the latitude information are input into the electronic map application program, and the electronic map application program generates the target address information. The interface of the electronic map application program may be an application program interface (Application Programming Interface, API). The electronic map application may generate the target address information using a coordinate pick-up system.
S304: and reporting the target address information to a gateway mobile position center so that the gateway mobile position center can position based on the target address information.
The process of reporting the target address information to the public safety answering point may be: the destination address information is transmitted to the gateway mobile location center via an IP multimedia subsystem (IP Multimedia Subsystem, IMS). The IMS core network is a network architecture based on an interconnection protocol (Internet Protocol, IP) between networks, which is proposed by a third generation partnership project organization, constructs an open and flexible service environment, supports multimedia applications, and provides rich multimedia services for users.
Specifically, the user terminal uses a Voice over Long-Term Evolution (VoLTE) technology or transmits the target address information to the gateway mobile location center based on IMS transmission in the case of wireless broadband (Wi-Fi) connection.
As shown in fig. 6, an exemplary diagram of information reporting is shown, taking a smart phone as an example, after the smart phone 601 obtains altitude information, longitude information and latitude information, target address information is generated, and the target address information is forwarded to the gateway mobile location center 602 through IMS transmission, so that the gateway mobile location center 602 determines the current location of the user terminal based on the target address information.
In the embodiment of the application, accurate height information can be acquired through the barometer, compared with the GPS module, the GPS module can acquire accurate longitude information and latitude information, and then the position of the emergency call can be accurately positioned, and after the position is directly reported to the gateway mobile position center, the gateway mobile position center can also accurately position the position of the emergency call. In addition, an interface of the electronic map application program is called, the altitude information, the longitude information and the latitude information are input into the electronic map application program, the target address information is generated, and the target address information can be directly acquired through the electronic map application program, so that the acquisition of the target address information is simpler, more convenient and quicker, and the position of an emergency call can be rapidly positioned.
The positioning device for emergency call provided in the embodiment of the present application will be described in detail with reference to fig. 7. It should be noted that, the positioning device for emergency call shown in fig. 7 is used to perform the method of the embodiments shown in fig. 1 to 7, and for convenience of explanation, only the portion relevant to the embodiments of the present application is shown, and specific technical details are not disclosed, please refer to the embodiments shown in fig. 1 to 6 of the present application.
Referring to fig. 7, a schematic structural diagram of a positioning device for emergency call according to an embodiment of the present application is shown. The positioning means 1 of the emergency call may be implemented as all or part of the user terminal by software, hardware or a combination of both. According to some embodiments, the positioning device 1 for emergency call includes a height information acquisition module 11, a latitude and longitude information acquisition module 12, an address information generation module 13, and a positioning module 14, specifically configured to:
the height information acquisition module 11 is used for receiving a trigger instruction of an emergency call and acquiring the height information of the current position acquired by the barometer;
the latitude and longitude information acquisition module 12 is used for acquiring latitude and longitude information of the current position acquired by the GPS module;
an address information generating module 13 for generating target address information based on the altitude information, the longitude information, and the latitude information;
and the positioning module 14 is used for reporting the target address information to a gateway mobile location center so that the gateway mobile location center performs positioning based on the target address information.
Optionally, the address information generating module 13 is specifically configured to:
and converting the altitude information, the longitude information and the latitude information to generate target address information in a preset format, wherein the preset format comprises an address format of a street and an address format of a floor.
Alternatively, as shown in fig. 8, the address information generation module 13 includes:
a coordinate system acquiring unit 131, configured to acquire a map coordinate system in the electronic map;
the conversion calculation unit 132 is configured to calculate the altitude information, the longitude information, and the latitude information according to a conversion algorithm of the map coordinate system and the GPS coordinate system, and generate the target address information.
Optionally, the address information generating module 13 further includes:
the interface calling unit 133 is configured to call an interface of the electronic map application program, input the altitude information, the longitude information, and the latitude information into the electronic map application program, and generate the target address information.
Optionally, as shown in fig. 9, the positioning module 14 further includes:
an information reporting unit 141, configured to forward, through a serving mobile location center, the target address information to the gateway mobile location center;
optionally, the information reporting unit 141 is configured to:
and transmitting the target address information to the gateway mobile location center through an IP multimedia subsystem.
Optionally, the positioning module 14 further includes:
an address acquisition unit 142 for acquiring a public safety answering point address;
a link establishing unit 143, configured to determine a public safety answering point corresponding to the public safety answering point address, and establish an emergency session link with the public safety answering point;
and the response point positioning unit 144 is configured to report the target address information to the public security response point, so that the public security response point performs positioning based on the target address information.
It should be noted that, when the positioning device for emergency call provided in the foregoing embodiment performs the positioning method for emergency call, only the division of the foregoing functional modules is used as an example, in practical application, the foregoing functional allocation may be performed by different functional modules according to needs, that is, the internal structure of the device is divided into different functional modules to complete all or part of the functions described above. In addition, the positioning device for emergency call provided in the above embodiment and the positioning method embodiment for emergency call belong to the same concept, which embody detailed implementation procedures in the method embodiment, and are not described herein again.
The foregoing embodiment numbers of the present application are merely for describing, and do not represent advantages or disadvantages of the embodiments.
In the embodiment of the application, accurate height information can be acquired through the barometer, compared with the GPS module, the GPS module can acquire accurate longitude information and latitude information, and then the position of the emergency call can be accurately positioned, and after the position is directly reported to the gateway mobile position center, the gateway mobile position center can also accurately position the position of the emergency call.
The embodiment of the present application further provides a computer storage medium, where the computer storage medium may store a plurality of instructions, where the instructions are adapted to be loaded by a processor and execute the positioning method of an emergency call according to the embodiment shown in fig. 1 to fig. 6, and the specific execution process may refer to the specific description of the embodiment shown in fig. 1 to fig. 6, which is not repeated herein.
The application further provides a computer program product, where at least one instruction is stored, where the at least one instruction is loaded by the processor and executed by the processor, where the specific execution process may refer to the specific description of the embodiment shown in fig. 1 to 6, and details are not repeated herein.
Referring to fig. 10, a schematic structural diagram of an electronic device is provided in an embodiment of the present application. As shown in fig. 10, the electronic device 1000 may include: at least one processor 1001, at least one network interface 1004, a user interface 1003, a memory 1005, at least one communication bus 1002.
Wherein the communication bus 1002 is used to enable connected communication between these components.
The user interface 1003 may include a Display screen (Display) and a Camera (Camera), and the optional user interface 1003 may further include a standard wired interface and a wireless interface.
The network interface 1004 may optionally include a standard wired interface, a wireless interface (e.g., WI-FI interface), among others.
Wherein the processor 1001 may include one or more processing cores. The processor 1001 connects various parts within the entire server 1000 using various interfaces and lines, and performs various functions of the server 1000 and processes data by executing or executing instructions, programs, code sets, or instruction sets stored in the memory 1005, and calling data stored in the memory 1005. Alternatively, the processor 1001 may be implemented in at least one hardware form of digital signal processing (Digital Signal Processing, DSP), field programmable gate array (Field-Programmable Gate Array, FPGA), programmable logic array (Programmable Logic Array, PLA). The processor 1001 may integrate one or a combination of several of a central processing unit (Central Processing Unit, CPU), an image processor (Graphics Processing Unit, GPU), and a modem, etc. The CPU mainly processes an operating system, a user interface, an application program and the like; the GPU is used for rendering and drawing the content required to be displayed by the display screen; the modem is used to handle wireless communications. It will be appreciated that the modem may not be integrated into the processor 1001 and may be implemented by a single chip.
The Memory 1005 may include a random access Memory (Random Access Memory, RAM) or a Read-Only Memory (Read-Only Memory). Optionally, the memory 1005 includes a non-transitory computer readable medium (non-transitory computer-readable storage medium). The memory 1005 may be used to store instructions, programs, code, sets of codes, or sets of instructions. The memory 1005 may include a stored program area and a stored data area, wherein the stored program area may store instructions for implementing an operating system, instructions for at least one function (such as a touch function, a sound playing function, an image playing function, etc.), instructions for implementing the above-described respective method embodiments, etc.; the storage data area may store data or the like referred to in the above respective method embodiments. The memory 1005 may also optionally be at least one storage device located remotely from the processor 1001. As shown in fig. 10, an operating system, a network communication module, a user interface module, and a location application for emergency calls may be included in a memory 1005, which is a type of computer storage medium.
In the electronic device 1000 shown in fig. 10, the user interface 1003 is mainly used for providing an input interface for a user, and acquiring data input by the user; and the processor 1001 may be used to invoke the location application of the emergency call stored in the memory 1005 and specifically:
receiving a triggering instruction of an emergency call, and acquiring the height information of the current position acquired by a barometer;
acquiring longitude information and latitude information of the current position acquired by a GPS module;
generating target address information based on the altitude information, the longitude information, and the latitude information;
and reporting the target address information to a gateway mobile position center so that the gateway mobile position center can position based on the target address information.
In one embodiment, the processor 1001, when executing the generation of the target address information based on the altitude information, the longitude information, and the latitude information, specifically executes the following operations:
and converting the altitude information, the longitude information and the latitude information to generate target address information in a preset format, wherein the preset format comprises an address format of a street and an address format of a floor.
In one embodiment, when the processor 1001 performs the converting the altitude information, the longitude information, and the latitude information to generate target address information in a preset format, the processor specifically performs the following operations:
acquiring a map coordinate system in an electronic map;
and calculating the altitude information, the longitude information and the latitude information according to a conversion algorithm of the map coordinate system and the GPS coordinate system to generate the target address information.
In one embodiment, when the processor 1001 performs the converting the altitude information, the longitude information, and the latitude information to generate target address information in a preset format, the processor specifically performs the following operations:
and calling an interface of an electronic map application program, inputting the altitude information, the longitude information and the latitude information into the electronic map application program, and generating the target address information.
In one embodiment, when the reporting the target address information to the gateway mobile location center is performed, the processor 1001 specifically performs the following operations:
forwarding the target address information to the gateway mobile location center through a service mobile location center; or alternatively, the first and second heat exchangers may be,
and transmitting the target address information to the gateway mobile location center through an IP multimedia subsystem.
In one embodiment, when the reporting the target address information to the gateway mobile location center is performed, the processor 1001 specifically performs the following operations:
acquiring a public safety answering point address;
determining a public safety answering point corresponding to the public safety answering point address, and establishing an emergency session link with the public safety answering point;
and reporting the target address information to the public safety answering point so that the public safety answering point can be positioned based on the target address information.
In this embodiment, accurate altitude information can be obtained through the barometer, which is more accurate than that obtained through the GPS module, and meanwhile, accurate longitude information and latitude information can be obtained through the GPS module, so that the position of the emergency call can be accurately located, and after the position is directly reported to the gateway mobile position center, the gateway mobile position center can also accurately locate the position of the emergency call.
Those skilled in the art will appreciate that implementing all or part of the above-described methods in accordance with the embodiments may be accomplished by way of a computer program stored on a computer readable storage medium, which when executed may comprise the steps of the embodiments of the methods described above. The storage medium may be a magnetic disk, an optical disk, a read-only memory, a random access memory, or the like.
The foregoing disclosure is only illustrative of the preferred embodiments of the present application and is not intended to limit the scope of the claims herein, as the equivalent of the claims herein shall be construed to fall within the scope of the claims herein.
Claims (6)
1. A method for locating an emergency call, applied to a user terminal, the method comprising:
receiving a triggering instruction of an emergency call, and acquiring the height information of the current position acquired by a barometer;
acquiring longitude information and latitude information of the current position acquired by a GPS module;
generating target address information based on the altitude information, the longitude information, and the latitude information;
reporting the target address information to a gateway mobile position center so that the gateway mobile position center determines the current position of the user terminal based on the target address information;
wherein the generating target address information based on the altitude information, the longitude information, and the latitude information includes:
acquiring a map coordinate system in an electronic map;
calculating the altitude information, the longitude information and the latitude information according to a conversion algorithm of the map coordinate system and the GPS coordinate system to generate target address information in a preset format, wherein the preset format comprises an address format of a street and an address format of a floor;
the calculating the altitude information, the longitude information and the latitude information to generate target address information in a preset format includes:
under the condition that the user terminal is in an indoor scene, converting the altitude information, the longitude information and the latitude information to generate the target address information;
determining the target address information according to the longitude information and the latitude information when the user terminal is in an outdoor scene, wherein the height information is data lower than the floor height;
the step of reporting the target address information to a gateway mobile location center so that the gateway mobile location center determines the current location of the user terminal based on the target address information, including:
acquiring a public safety answering point address, wherein the public safety answering point address is determined by the gateway mobile location center to be closest to the location of the user terminal based on the target address information;
determining a public safety answering point corresponding to the public safety answering point address, and establishing an emergency session link with the public safety answering point through the gateway mobile position center;
and reporting the target address information to the public safety answering point based on the emergency session link so that the public safety answering point determines the current position of the user terminal based on the target address information.
2. The method of claim 1, wherein the generating target address information based on the altitude information, the longitude information, and the latitude information comprises:
and calling an interface of an electronic map application program, inputting the altitude information, the longitude information and the latitude information into the electronic map application program, and generating the target address information.
3. The method of claim 1, wherein reporting the destination address information to a gateway mobile location center comprises:
forwarding the target address information to the gateway mobile location center through a service mobile location center; or alternatively, the first and second heat exchangers may be,
and transmitting the target address information to the gateway mobile location center through an IP multimedia subsystem.
4. A positioning device for an emergency call, the device comprising:
the height information acquisition module is used for receiving a triggering instruction of an emergency call and acquiring the height information of the current position acquired by the barometer;
the longitude and latitude information acquisition module is used for acquiring longitude information and latitude information of the current position acquired by the GPS module;
an address information generating module for generating target address information based on the altitude information, the longitude information, and the latitude information;
the positioning module is used for reporting the target address information to a gateway mobile position center so that the gateway mobile position center determines the current position of the user terminal based on the target address information;
the address information generation module is specifically configured to:
acquiring a map coordinate system in an electronic map;
calculating the altitude information, the longitude information and the latitude information according to a conversion algorithm of the map coordinate system and the GPS coordinate system to generate target address information in a preset format, wherein the preset format comprises an address format of a street and an address format of a floor;
the address information generating module is specifically configured to:
under the condition that the user terminal is in an indoor scene, converting the altitude information, the longitude information and the latitude information to generate the target address information;
determining the target address information according to the longitude information and the latitude information when the user terminal is in an outdoor scene, wherein the height information is data lower than the floor height;
the positioning module is specifically configured to:
acquiring a public safety answering point address, wherein the public safety answering point address is determined by the gateway mobile location center to be closest to the location of the user terminal based on the target address information;
determining a public safety answering point corresponding to the public safety answering point address, and establishing an emergency session link with the public safety answering point through the gateway mobile position center;
and reporting the target address information to the public safety answering point based on the emergency session link so that the public safety answering point determines the current position of the user terminal based on the target address information.
5. A computer storage medium storing a plurality of instructions adapted to be loaded by a processor and to perform the method steps of any one of claims 1 to 3.
6. An electronic device, comprising: a processor and a memory; wherein the memory stores a computer program adapted to be loaded by the processor and to perform the method steps of any of claims 1-3.
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| CN101959163A (en) * | 2009-07-17 | 2011-01-26 | 中兴通讯股份有限公司 | Method for making emergency call |
| CN103902017A (en) * | 2012-12-27 | 2014-07-02 | 纽海信息技术（上海）有限公司 | Mobile terminal and method for acquiring information |
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| US11248908B2 (en) * | 2017-02-24 | 2022-02-15 | Here Global B.V. | Precise altitude estimation for indoor positioning |
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| CN101959163A (en) * | 2009-07-17 | 2011-01-26 | 中兴通讯股份有限公司 | Method for making emergency call |
| CN103902017A (en) * | 2012-12-27 | 2014-07-02 | 纽海信息技术（上海）有限公司 | Mobile terminal and method for acquiring information |
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