CN115334487A - Terminal alarm method, system, device and storage medium based on 5G - Google Patents
Terminal alarm method, system, device and storage medium based on 5G Download PDFInfo
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- 230000004044 response Effects 0.000 claims abstract description 65
- 238000007726 management method Methods 0.000 claims abstract description 50
- 238000007405 data analysis Methods 0.000 claims abstract description 24
- 238000013523 data management Methods 0.000 claims abstract description 9
- 230000006870 function Effects 0.000 claims description 82
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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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- 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
- H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
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Abstract
The invention discloses a terminal alarm method, a system, a device and a storage medium based on 5G, comprising the following steps: the network data analysis function sends a position service request to the gateway mobile position center; the gateway mobile position center sends an attribution request to the unified data management function so as to obtain the network address of the access and mobility management function of the current service of the terminal, and sends a positioning request to the access and mobility management function according to the network address; the access and mobility management function determines a position management function according to the preset, initiates a positioning request to the position management function to acquire a positioning request response, and returns the positioning request response to the gateway mobile position center; the gateway mobile location center returns the positioning request response to the network data analysis function; and the network data analysis function determines the mobile information of the terminal according to the positioning request response, and sends alarm information to the preset information when the mobile information reaches the preset value. The embodiment of the invention can improve the rescue probability and is widely applied to the technical field of communication.
Description
Technical Field
The invention relates to the technical field of communication, in particular to a terminal alarm method, a system, a device and a storage medium based on 5G.
Background
Many traffic accidents happen in the field in the countryside, because people on the road are rare, the accidents are often discovered for a long time, and accident victims lose the best time for rescue. If the possible risks can be found in time by means of some potential value information, the probability that the victim is rescued can be greatly improved.
Disclosure of Invention
In view of this, embodiments of the present invention provide a terminal alarm method, system, device and storage medium based on 5G, which can determine alarm information according to mobile information of a terminal, and notify relevant personnel of the alarm information through a relevant network element, so as to improve rescue probability.
In a first aspect, an embodiment of the present invention provides a terminal alarm method based on 5G, including the following steps:
a network data analysis function network element sends a location service request to a gateway mobile location center network element;
the gateway mobile location center network element receives the location service request, sends an affiliation request to a unified data management function network element to acquire the network address of the access and mobility management function network element of the current service of the terminal, and sends a positioning request to the access and mobility management function network element according to the network address;
the access and mobility management function network element receives the positioning request, determines a position management function network element according to preset settings, initiates the positioning request to the position management function network element to obtain a positioning request response, and returns the positioning request response to the gateway mobile position center network element; the positioning request response comprises the current position information of the terminal;
the gateway mobile location center network element receives the positioning request response and returns the positioning request response to the network data analysis function network element;
the network data analysis function network element receives the positioning request response and determines the mobile information of the terminal according to the positioning request response; and when the mobile information reaches a preset value, sending alarm information to a preset network element.
Optionally, the determining, according to the positioning request response, the mobile information of the terminal includes:
calculating a first acceleration of the terminal in the horizontal direction according to the longitude and latitude and the timestamp, or calculating the first acceleration of the terminal in the horizontal direction according to the absolute value of the horizontal speed and the timestamp;
and calculating a second acceleration of the terminal in the vertical direction according to the altitude and the timestamp.
Optionally, when the mobility information reaches a preset value, sending an alarm message to a preset network element, specifically including:
and when the first acceleration or the second acceleration exceeds a preset value, sending alarm information to a preset network element.
Optionally, the sending the warning information to the preset network element specifically includes:
sending alarm information to a short message center network element or a short message service function network element;
and the short message center network element or the short message service function network element receives the alarm information and sends the alarm information to a preset contact person through a short message.
Optionally, the sending the warning information to the preset network element specifically includes:
sending alarm information to an IMS network element;
and the IMS network element receives the alarm information and informs a preset contact person of the alarm information by dialing a call.
Optionally, the method further comprises:
and in the process that the access and mobility management function network element initiates a positioning request to the location management function network element to obtain a positioning request response, when the terminal is in a standby state, the access and mobility management function initiates a service request to establish a signaling connection between the terminal and the access and mobility management function network element.
In a second aspect, an embodiment of the present invention provides a terminal alarm system based on 5G, including:
the network data analysis functional network element is used for sending a location service request to the gateway mobile location center network element;
the gateway mobile location center network element is used for receiving the location service request, sending an affiliation request to a unified data management function network element to acquire a network address of an access and mobility management function network element currently served by a terminal, sending a positioning request to the access and mobility management function network element according to the network address, receiving a positioning request response, and returning the positioning request response to the network data analysis function network element;
the access and mobility management function network element is configured to receive the positioning request, determine a location management function network element according to preset settings, initiate a positioning request to the location management function network element to obtain a positioning request response, and return the positioning request response to the gateway mobile location center network element; the positioning request response comprises the current position information of the terminal;
the network data analysis function network element is used for receiving the positioning request response and determining the mobile information of the terminal according to the positioning request response; and when the mobile information reaches a preset value, sending alarm information to a preset network element.
In a third aspect, an embodiment of the present invention provides a terminal alarm device based on 5G, including:
at least one processor;
at least one memory for storing at least one program;
when executed by the at least one processor, cause the at least one processor to implement the method described above.
In a fourth aspect, embodiments of the present invention provide a storage medium, in which a program executable by a processor is stored, the program executable by the processor being configured to perform the above method when executed by the processor.
The implementation of the embodiment of the invention has the following beneficial effects: the network data analysis function network element of the embodiment firstly obtains the positioning request response information of the terminal through the gateway mobile location center network element, the unified data management function network element, the access and mobility management function network element and the location management function network element, then determines the mobile information and the alarm information of the terminal according to the positioning request response of the terminal, and sends the alarm information to relevant personnel through relevant network elements to inform the alarm information, so that the rescue probability of the injured personnel is improved.
Drawings
Fig. 1 is a schematic flowchart illustrating steps of a terminal alarm method based on 5G according to an embodiment of the present invention;
fig. 2 is a timing diagram of a terminal alarm method based on 5G according to an embodiment of the present invention;
fig. 3 is a timing diagram illustrating a network data analysis function network element sending alarm information to a preset network element according to an embodiment of the present invention;
fig. 4 is a block diagram of a 5G-based terminal alarm device according to an embodiment of the present invention.
Detailed Description
The invention is described in further detail below with reference to the figures and the specific embodiments. The step numbers in the following embodiments are provided only for convenience of illustration, the order between the steps is not limited at all, and the execution order of each step in the embodiments can be adapted according to the understanding of those skilled in the art.
As shown in fig. 1, an embodiment of the present invention provides a terminal alarm method based on 5G, which includes the following steps.
S100, a Network Data analysis Function Network element (NWDAF) sends a Location service (LCS: location Services) request to a Gateway Mobile Location center Network element (GMLC);
s200, the gateway mobile location center network element (GMLC) receives the location service request, sends an attribution request to a Unified Data Management Function (UDM) network element to acquire a network address of an Access and Mobility Management Function (AMF) network element of a current service of the terminal, and sends a positioning request to the Access and Mobility Management Function (AMF) network element according to the network address;
s300, the access and mobility Management Function (AMF) network element receives the positioning request, determines a Location Management Function (LMF) network element according to preset settings, initiates a positioning request to the LMF network element to obtain a positioning request response, and returns the positioning request response to the gateway mobile Location center network element (GMLC); the positioning request response comprises the current position information of the terminal;
s400, the gateway mobile location center network element (GMLC) receives the positioning request response and returns the positioning request response to the network data analysis function network element (NWDAF);
s500, the network data analysis function network element (NWDAF) receives the positioning request response and determines the mobile information of the terminal according to the positioning request response; and when the mobile information reaches a preset value, sending alarm information to a preset network element.
Optionally, the method further comprises:
in the process that the access and mobility management function (AMF) network element initiates a positioning request to the Location Management Function (LMF) network element to obtain a positioning request response, when the terminal is in a standby state, the access and mobility management function (AMF) initiates a service request to establish a signaling connection between the terminal and the access and mobility management function (AMF) network element.
Specifically, referring to fig. 2, the nwdaf, as an LCS client, initiates a request for acquiring a target UE (User Equipment, terminal) LCS service to the GMLC; the GMLC receives the LCS service request, initiates a request to a home UDM, and informs a target UE that the target UE acquires the position information by taking GPSI (general Public subscriber identity) or SUPI (subscriber Permanent identity) as an Identifier; the home UDM receives the request, replies a response to the GMLC and informs the network address of the AMF currently serving; the GMLC receives the network address of the AMF and initiates a request for acquiring the current position of the UE to the AMF, wherein the request comprises parameters carried by an LCS service request; if the UE is in the standby state, the AMF initiates a service request to establish signaling connection between the two parties; the AMF selects an LMF according to the pre-configuration of the system or the ID appointed by the target UE; the AMF initiates a positioning request to the selected LMF, wherein the request comprises parameters carried by the LCS service request; the LMF initiates a positioning request to target UE (user equipment) through NG-RAN (Next Generation Radio Access Network,5G Radio Access Network), wherein the request comprises parameters carried by an LCS (LCS service request); the target UE returns the position information acquired by the GPS of the target UE to the LMF through the NG-RAN; if the target UE is in a standby state in the process that the LMF initiates a positioning request to the target UE through the NG-RAN, the UE or the AMF initiates a service request flow to establish signaling connection between the LMF and the target UE; the LMF returns a positioning request response to the AMF, and the current position information of the target UE is carried; the AMF receives the positioning request response and replies the response to the GMLC, wherein the response carries the current position information of the target UE; and the GMLC receives the LCS service response and returns the LCS service response to the NWDAF, wherein the LCS service response carries the current position information of the target UE, and the current position information comprises longitude and latitude, absolute value of horizontal speed, altitude, corresponding timestamp and the like.
It should be noted that the LCS service request contains the relevant information in table one.
Watch 1
Wherein, accuracy is less than 5m, which means that the precision of the position information is less than 5 m; the Response time is no delay, which indicates that the LCS should return the initial or last known location of the target UE, and if none of the location information exists, the LCS server should return a failure indication and a process of optionally initiating to acquire the location information; the LCS QoS Class is allowed to indicate that the LCS server should return accurate location information.
Optionally, the determining, according to the positioning request response, the mobile information of the terminal includes:
calculating a first acceleration of the terminal in the horizontal direction according to the longitude and latitude and the timestamp, or calculating the first acceleration of the terminal in the horizontal direction according to the absolute value of the horizontal speed and the timestamp;
and calculating a second acceleration of the terminal in the vertical direction according to the altitude and the timestamp.
Specifically, a linear distance of the terminal moving in the horizontal direction in the time interval of the two timestamps is calculated according to the longitude and latitude and the earth radius corresponding to the two timestamps, and a first acceleration of the terminal is calculated according to the linear distance in the horizontal direction and the time interval of the two timestamps; or directly calculating the first acceleration of the terminal in the horizontal direction according to the absolute value of the horizontal speed and the corresponding timestamp; and calculating the linear distance of the terminal moving in the vertical direction in the time interval of the two timestamps according to the altitude corresponding to the two timestamps, and calculating the second acceleration of the terminal according to the linear distance of the terminal moving in the vertical direction and the time interval of the two timestamps.
It should be noted that the time interval between the two timestamps is determined according to practical applications, and when the time interval between the two timestamps is smaller, the calculation accuracy of the first acceleration or the second acceleration is higher, which is not limited in this embodiment.
Optionally, when the mobility information reaches a preset value, sending an alarm message to a preset network element, specifically including:
and when the first acceleration or the second acceleration exceeds a preset value, sending alarm information to a preset network element.
Specifically, when the first acceleration has a reverse acceleration and the reverse acceleration exceeds a preset value, it indicates that a person carrying the terminal may have a traffic accident such as a collision; when the second acceleration has reverse acceleration and the reverse acceleration exceeds a preset value, the fact that the person carrying the terminal may fall off is indicated.
Optionally, the sending the warning information to the preset network element specifically includes:
sending alarm information to a Short Message Center (SMSC) network element or a Short Message Service Function (SMSF) network element;
and the short message center (SMSC) network element or the Short Message Service Function (SMSF) network element receives the alarm information and sends the alarm information to a preset contact person through a short message.
Optionally, the sending the warning information to the preset network element specifically includes:
sending alarm information to an IMS (IP Multimedia Subsystem) network element;
and the IMS network element receives the alarm information and informs a preset contact person of the alarm information by dialing a telephone.
Specifically, referring to fig. 3, the NWDAF sends an alarm notification to the network element subscribed to the service, and the network element subscribed to the NWDAF service may have three options (any combination may be selected): if the emergency contact is the SMSC/SMSF network element, the NWDAF sends a short message to a preset emergency contact through the SMSC/SMSF network element to inform the preset emergency contact of the accident information, and the specific steps are shown in the flow 1a and the flow 2a; if the number of the contacts is the IMS network element, the NWDAF calls a preset contact person through the IMS network element to inform the preset contact person of accident information, and the specific steps are shown in the flow 1b and the flow 2b.
The implementation of the embodiment of the invention has the following beneficial effects: the network data analysis function network element of the embodiment firstly obtains the positioning request response information of the terminal through the gateway mobile location center network element, the unified data management function network element, the access and mobility management function network element and the location management function network element, then determines the mobile information and the alarm information of the terminal according to the positioning request response of the terminal, and sends the alarm information to relevant personnel through relevant network elements to inform the alarm information, so that the rescue probability of the injured personnel is improved.
The embodiment of the invention provides a terminal alarm system based on 5G, which comprises:
the network data analysis function network element (NWDAF) is configured to send a location service request to a gateway mobile location center network element (GMLC);
the gateway mobile location center network element (GMLC) is configured to receive the location service request, send an attach request to a unified data management function network element (UDM) to obtain a network address of an access and mobility management function (AMF) network element currently served by a terminal, send a request for location to the access and mobility management function (AMF) network element according to the network address, receive a response to the location request, and return the response to the network data analysis function network element (NWDAF);
the access and mobility management function (AMF) network element is configured to receive the location request, determine a Location Management Function (LMF) network element according to preset settings, initiate a location request to the Location Management Function (LMF) network element to obtain a location request response, and return the location request response to the gateway mobile location center network element (GMLC); the positioning request response comprises the current position information of the terminal;
the network data analysis function network element (NWDAF) is configured to receive the positioning request response and determine the mobile information of the terminal according to the positioning request response; and when the mobile information reaches a preset value, sending alarm information to a preset network element.
It can be seen that the contents in the foregoing method embodiments are all applicable to this system embodiment, the functions specifically implemented by this system embodiment are the same as those in the foregoing method embodiment, and the advantageous effects achieved by this system embodiment are also the same as those achieved by the foregoing method embodiment.
As shown in fig. 4, an embodiment of the present invention provides a terminal alarm device based on 5G, including:
at least one processor;
at least one memory for storing at least one program;
when executed by the at least one processor, cause the at least one processor to implement the method described above.
It can be seen that the contents in the foregoing method embodiments are all applicable to this apparatus embodiment, the functions specifically implemented by this apparatus embodiment are the same as those in the foregoing method embodiment, and the advantageous effects achieved by this apparatus embodiment are also the same as those achieved by the foregoing method embodiment.
In addition, the embodiment of the application also discloses a computer program product or a computer program, and the computer program product or the computer program is stored in a computer readable storage medium. The computer program may be read by a processor of a computer device from a computer-readable storage medium, the processor executing the computer program, causing the computer device to perform the method described above. Likewise, the contents of the above method embodiments are all applicable to the present storage medium embodiment, the functions specifically implemented by the present storage medium embodiment are the same as those of the above method embodiments, and the advantageous effects achieved by the present storage medium embodiment are also the same as those achieved by the above method embodiments.
While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. A terminal alarm method based on 5G is characterized by comprising the following steps:
a network data analysis function network element sends a location service request to a gateway mobile location center network element;
the gateway mobile location center network element receives the location service request, sends an affiliation request to a unified data management function network element to acquire the network address of the access and mobility management function network element of the current service of the terminal, and sends a positioning request to the access and mobility management function network element according to the network address;
the access and mobility management function network element receives the positioning request, determines a position management function network element according to preset settings, initiates a positioning request to the position management function network element to obtain a positioning request response, and returns the positioning request response to the gateway mobile position center network element; the positioning request response comprises the current position information of the terminal;
the gateway mobile location center network element receives the positioning request response and returns the positioning request response to the network data analysis function network element;
the network data analysis function network element receives the positioning request response and determines the mobile information of the terminal according to the positioning request response; and when the mobile information reaches a preset value, sending alarm information to a preset network element.
2. The method according to claim 1, wherein the current location information of the terminal includes latitude and longitude and/or absolute value of horizontal velocity, altitude and timestamp, and the determining the movement information of the terminal according to the positioning request response specifically includes:
calculating a first acceleration of the terminal in the horizontal direction according to the longitude and latitude and the timestamp, or calculating the first acceleration of the terminal in the horizontal direction according to the absolute value of the horizontal speed and the timestamp;
and calculating a second acceleration of the terminal in the vertical direction according to the altitude and the timestamp.
3. The method of claim 2, wherein when the mobility information reaches a preset value, sending an alarm message to a preset network element, specifically comprising:
and when the first acceleration or the second acceleration exceeds a preset value, sending alarm information to a preset network element.
4. The method according to claim 1, wherein the sending the warning information to the preset network element specifically includes:
sending alarm information to a short message center network element or a short message service function network element;
and the short message center network element or the short message service function network element receives the alarm information and sends the alarm information to a preset contact person through a short message.
5. The method according to claim 1, wherein the sending the warning information to the preset network element specifically includes:
sending alarm information to an IMS network element;
and the IMS network element receives the alarm information and informs a preset contact person of the alarm information by dialing a telephone.
6. The method of claim 1, further comprising:
and in the process that the access and mobility management function network element initiates a positioning request to the location management function network element to obtain a positioning request response, when the terminal is in a standby state, the access and mobility management function initiates a service request to establish signaling connection between the terminal and the access and mobility management function network element.
7. A terminal alarm system based on 5G is characterized by comprising:
the network data analysis function network element is used for sending a location service request to the gateway mobile location center network element;
the gateway mobile location center network element is used for receiving the location service request, sending an attribution request to a unified data management function network element so as to obtain the network address of the access and mobility management function network element of the current service of the terminal, sending a positioning request to the access and mobility management function network element according to the network address, receiving a positioning request response, and returning the positioning request response to the network data analysis function network element;
the access and mobility management function network element is configured to receive the positioning request, determine a location management function network element according to preset settings, initiate a positioning request to the location management function network element to obtain a positioning request response, and return the positioning request response to the gateway mobile location center network element; the positioning request response comprises the current position information of the terminal;
the network data analysis function network element is used for receiving the positioning request response and determining the mobile information of the terminal according to the positioning request response; and when the mobile information reaches a preset value, sending alarm information to a preset network element.
8. A terminal alarm device based on 5G is characterized by comprising:
at least one processor;
at least one memory for storing at least one program;
when executed by the at least one processor, cause the at least one processor to implement the method of any one of claims 1-6.
9. A storage medium having stored therein a program executable by a processor, wherein the program executable by the processor is adapted to perform the method of any one of claims 1-6 when executed by the processor.
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