CN117692864A - Positioning method, positioning device and storage medium - Google Patents
Positioning method, positioning device and storage medium Download PDFInfo
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- H04W4/02—Services making use of location information
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- H—ELECTRICITY
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Abstract
The embodiment of the application provides a positioning method, a positioning device and a storage medium, wherein the method comprises the following steps: the terminal selects a second access network according to the information related to the access network; and the terminal sends a message related to the positioning to a second access and management function AMF through the second access network. According to the positioning method, the positioning device and the storage medium, the terminal selects the better access network according to the information related to the access network to transmit the information related to the positioning, so that the influence caused by different states of different access networks or different PLMNs is avoided, the transmission delay of the information related to the positioning is further reduced on the basis of realizing the positioning, and the probability of successful transmission of the information related to the positioning is improved.
Description
Technical Field
The present disclosure relates to the field of communications technologies, and in particular, to a positioning method, a positioning device, and a storage medium.
Background
During terminal/User Equipment (UE) positioning, the UE needs to send a positioning related message to the network device.
In related positioning technology, the UE is connected to only one third generation partnership project (The 3rd Generation Partnership Project,3GPP) access network, and positioning related messages are reported to The core network through The current access network.
However, when the UE connects to two 3GPP access networks, the UE may register to the same public land mobile network (Public Land Mobile Network, PLMN) or different PLMNs, and the states of the different access networks or different PLMNs are different (e.g. delay, load, available resources), so that the UE does not know through which access network to report the positioning related message to the core network, which results in a technical problem that the positioning related message cannot be transmitted, and thus cannot be positioned.
Disclosure of Invention
The embodiment of the application provides a positioning method, a positioning device and a storage medium, which are used for solving the technical problem that positioning cannot be performed due to the fact that positioning related information cannot be transmitted in the prior art.
In a first aspect, an embodiment of the present application provides a positioning method, including:
the terminal selects a second access network according to the information related to the access network;
and the terminal sends a message related to the positioning to a second access and management function AMF through the second access network.
In some embodiments, further comprising:
the terminal receives a positioning request message through a first access network.
In some embodiments, the access network related information includes one or more of the following:
A wireless access type;
the connection state of the access network;
an operator policy;
load status of the access network.
In some embodiments, the location-related message comprises one or more of the following messages:
a terminal calling positioning request MO-LR message;
LPP messages;
locating the event report message.
In some embodiments, further comprising:
the terminal sends first information to the second AMF through the second access network;
the first information includes one or more of the following information:
a wireless access type of the first access network;
first indication information; the first indication information is used to indicate that the location related message is associated with a location request message received via a first access network.
In a second aspect, an embodiment of the present application provides a positioning method, including:
the second AMF acquires a positioning related message sent by the terminal through a second access network; the second access network is selected by the terminal according to information related to the access network.
In some embodiments, further comprising:
the second AMF sends the positioning related message to a second LMF; the second LMF is a preset LMF.
In some embodiments, further comprising:
The second AMF sends the positioning related message to the first LMF; the first LMF is an LMF that sends a location request message to the terminal.
In some embodiments, the second AMF sending the location related message to the first LMF comprises:
the second AMF sends the positioning related message to the first LMF through the first AMF; the first AMF is an AMF for providing services for the terminal through a first access network.
In some embodiments, further comprising:
the second AMF acquires information of the first AMF from a storage function; or,
the second AMF determines the information of the first AMF according to the positioning related message.
In some embodiments, the second AMF sending the location related message to the first LMF comprises:
the second AMF sends the location related message to the first LMF via a NEF.
In some embodiments, the second AMF sending the location related message to the first LMF comprises:
the second AMF sends the location related message to the first LMF via a storage function.
In a third aspect, an embodiment of the present application provides a positioning method, including:
the storage function receives a positioning event information request message sent by the LMF;
The storage function sends a location event information reply message to the LMF.
In some embodiments, further comprising:
the storage function receives a positioning event information deleting message sent by the LMF;
and the storage function updates or deletes the locally stored positioning event information according to the positioning event information deleting message.
In some embodiments, further comprising:
the storage function determines that the positioning event report message received by the LMF is the last positioning event report; or alternatively, the first and second heat exchangers may be,
the storage function determines that the positioning event report request is canceled.
In some embodiments, the positioning event information request message is sent after receiving a positioning event report message sent by the AMF.
In some embodiments, the method further comprises:
the storage function receives a positioning event registration message.
In a fourth aspect, embodiments of the present application provide a UE, including a memory, a transceiver, and a processor;
a memory for storing a computer program; a transceiver for transceiving data under control of the processor; a processor for reading the computer program in the memory and performing the following operations:
selecting a second access network according to the information related to the access network;
And sending a positioning-related message to a second access and management function AMF through the second access network.
In some embodiments, further comprising:
a location request message is received through a first access network.
In some embodiments, the access network related information includes one or more of the following:
a wireless access type;
the connection state of the access network;
an operator policy;
load status of the access network.
In some embodiments, the location-related message comprises one or more of the following messages:
a terminal calling positioning request MO-LR message;
LPP messages;
locating the event report message.
In some embodiments, further comprising:
sending first information to the second AMF through the second access network;
the first information includes one or more of the following information:
a wireless access type of the first access network;
first indication information; the first indication information is used to indicate that the location related message is associated with a location request message received via a first access network.
In a fifth aspect, an embodiment of the present application provides an AMF network element, including a memory, a transceiver, and a processor;
a memory for storing a computer program; a transceiver for transceiving data under control of the processor; a processor for reading the computer program in the memory and performing the following operations:
Acquiring a positioning related message sent by a terminal through a second access network; the second access network is selected by the terminal according to information related to the access network.
In some embodiments, further comprising:
sending the location related message to a second LMF; the second LMF is a preset LMF.
In some embodiments, further comprising:
transmitting the location related message to a first LMF; the first LMF is an LMF that sends a location request message to the terminal.
In some embodiments, the sending the location related message to the first LMF comprises:
transmitting the location related message to the first LMF through a first AMF; the first AMF is an AMF for providing services for the terminal through a first access network.
In some embodiments, further comprising:
acquiring information of the first AMF from a storage function; or,
and determining the information of the first AMF according to the positioning related message.
In some embodiments, the sending the location related message to the first LMF comprises:
and sending the positioning related message to the first LMF through the NEF.
In some embodiments, the sending the location related message to the first LMF comprises:
And sending the positioning related message to the first LMF through a storage function.
In a sixth aspect, embodiments of the present application provide a storage function, including a memory, a transceiver, and a processor;
a memory for storing a computer program; a transceiver for transceiving data under control of the processor; a processor for reading the computer program in the memory and performing the following operations:
receiving a positioning event information request message sent by an LMF;
and sending a positioning event information reply message to the LMF.
In some embodiments, further comprising:
receiving a positioning event information deleting message sent by the LMF;
and updating or deleting the locally stored positioning event information according to the positioning event information deleting message.
In some embodiments, further comprising:
determining the positioning event report message received by the LMF as a last positioning event report; or alternatively, the first and second heat exchangers may be,
it is determined that the positioning event report request is canceled.
In some embodiments, the positioning event information request message is sent after receiving a positioning event report message sent by the AMF.
In some embodiments, the processor is further configured to read the computer program in the memory and perform the following:
A positioning event registration message is received.
In a seventh aspect, embodiments of the present application provide a positioning device, including:
a selection module, configured to select a second access network according to information related to an access network;
and the first sending module is used for sending a message related to the positioning to the second access and management function AMF through the second access network.
In some embodiments, further comprising:
a location request message is received through a first access network.
In some embodiments, the access network related information includes one or more of the following:
a wireless access type;
the connection state of the access network;
an operator policy;
load status of the access network.
In some embodiments, the location-related message comprises one or more of the following messages:
a terminal calling positioning request MO-LR message;
LPP messages;
locating the event report message.
In some embodiments, further comprising:
sending first information to the second AMF through the second access network;
the first information includes one or more of the following information:
a wireless access type of the first access network;
first indication information; the first indication information is used to indicate that the location related message is associated with a location request message received via a first access network.
In an eighth aspect, embodiments of the present application provide a positioning device, including:
the first acquisition module is used for acquiring a positioning related message sent by the terminal through the second access network; the second access network is selected by the terminal according to information related to the access network.
In some embodiments, further comprising:
sending the location related message to a second LMF; the second LMF is a preset LMF.
In some embodiments, further comprising:
transmitting the location related message to a first LMF; the first LMF is an LMF that sends a location request message to the terminal.
In some embodiments, the sending the location related message to the first LMF comprises:
transmitting the location related message to the first LMF through a first AMF; the first AMF is an AMF for providing services for the terminal through a first access network.
In some embodiments, further comprising:
acquiring information of the first AMF from a storage function; or,
and determining the information of the first AMF according to the positioning related message.
In some embodiments, the sending the location related message to the first LMF comprises:
and sending the positioning related message to the first LMF through the NEF.
In some embodiments, the sending the location related message to the first LMF comprises:
and sending the positioning related message to the first LMF through a storage function.
In a ninth aspect, embodiments of the present application provide a positioning device, including:
the first receiving module is used for receiving a positioning event information request message sent by the LMF;
and the second sending module is used for sending a positioning event information reply message to the LMF.
In some embodiments, further comprising:
receiving a positioning event information deleting message sent by the LMF;
and updating or deleting the locally stored positioning event information according to the positioning event information deleting message.
In some embodiments, further comprising:
determining the positioning event report message received by the LMF as a last positioning event report; or alternatively, the first and second heat exchangers may be,
it is determined that the positioning event report request is canceled.
In some embodiments, the positioning event information request message is sent after receiving a positioning event report message sent by the AMF.
In some embodiments, the processor is further configured to read the computer program in the memory and perform the following:
a positioning event registration message is received.
In a tenth aspect, embodiments of the present application further provide a processor-readable storage medium storing a computer program for causing a processor to perform the positioning method according to the first, second or third aspects as described above.
In an eleventh aspect, embodiments of the present application further provide a computer-readable storage medium storing a computer program for causing a computer to execute the positioning method according to the first aspect, the second aspect or the third aspect as described above.
In a twelfth aspect, embodiments of the present application further provide a communication device readable storage medium storing a computer program for causing a communication device to execute the positioning method according to the first aspect, the second aspect or the third aspect described above.
In a thirteenth aspect, embodiments of the present application further provide a chip product readable storage medium storing a computer program for causing a chip product to perform the positioning method according to the first aspect, the second aspect or the third aspect as described above.
According to the positioning method, the positioning device and the storage medium, the terminal selects the better access network according to the information related to the access network to transmit the information related to the positioning, so that the influence caused by different states of different access networks or different PLMNs is avoided, the transmission delay of the information related to the positioning is further reduced on the basis of realizing the positioning, and the probability of successful transmission of the information related to the positioning is improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, a brief description will be given below of the drawings that are needed in the embodiments or the prior art descriptions, and it is obvious that the drawings in the following description are some embodiments of the present application, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic flow chart of a positioning method according to an embodiment of the present disclosure;
fig. 2 is one of signaling interaction diagrams of a positioning procedure provided in an embodiment of the present application;
FIG. 3 is a second signaling interaction diagram of a positioning procedure according to an embodiment of the present disclosure;
FIG. 4 is a third signaling interaction diagram of a positioning procedure according to an embodiment of the present disclosure;
Fig. 5 is a signaling interaction schematic diagram of a positioning procedure provided in an embodiment of the present application;
FIG. 6 is a second flow chart of a positioning method according to the embodiment of the present application;
FIG. 7 is a third flow chart of a positioning method according to an embodiment of the present disclosure;
fig. 8 is a schematic structural diagram of a UE according to an embodiment of the present application;
fig. 9 is a schematic structural diagram of an AMF according to an embodiment of the application;
FIG. 10 is a schematic diagram of a memory function according to an embodiment of the present disclosure;
FIG. 11 is a schematic structural diagram of a positioning device according to an embodiment of the present disclosure;
FIG. 12 is a second schematic diagram of a positioning device according to the embodiment of the present disclosure;
fig. 13 is a third schematic structural view of a positioning device according to an embodiment of the present disclosure.
Detailed Description
In the UE positioning procedure, the UE needs to send a positioning related message to the network device. When the UE is connected to two 3GPP access networks, the UE may register to the same PLMN or different PLMNs, and the different access networks or different PLMNs have different states (e.g. delay, load, available resources), and the UE does not know through which access network to report the positioning-related message to the core network, which results in a failure to transmit the positioning-related message, and thus results in a failure to perform positioning.
Based on the technical problems, the terminal selects a better access network according to the information related to the access network to transmit the information related to the positioning, so that the influence caused by different states of different access networks or different PLMNs is avoided, the transmission delay of the information related to the positioning is further reduced on the basis of realizing the positioning, and the probability of successful transmission of the information related to the positioning is improved.
For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.
Fig. 1 is one of flow diagrams of a positioning method provided in an embodiment of the present application, and as shown in fig. 1, an embodiment of the present application provides a positioning method, an execution body of which may be a terminal, for example, a mobile phone or the like. The method comprises the following steps:
Step 101, the terminal selects a second access network according to the information related to the access network.
Specifically, in the present embodiment, the UE is connected to two 3GPP access networks, i.e., a first access network (access network 1) and a second access network (access network 2). An access and mobility management function (Access and Mobility Management Function, AMF) serving the UE through the first access network is a first AMF (AMF 1), and an AMF serving the UE through the second access network is a second AMF (AMF 2).
Before the UE reports the positioning related message to the network, it needs to determine through which access network the positioning related message is reported to the network according to the access network related information.
In some embodiments, the access network related information includes one or more of the following:
a wireless access type;
the connection state of the access network;
an operator policy;
load status of the access network.
Specifically, in the embodiment of the present application, the Radio access type includes a New Radio (NR), long term evolution (Long Term Evolution, LTE), satellite access, and the like.
The connection state of the access network includes an idle state, a connected state, a non-connected state, and the like.
Operator policies include roaming, charging, priority, etc.
The load status of the access network includes idle load, overload, load percentage, etc.
In some embodiments, the UE reporting the location related message may be an operation of a UE-initiated location procedure. Or may be a response to a network-initiated positioning procedure.
In some embodiments, the method further comprises:
the terminal receives a positioning request message through a first access network.
Specifically, in the embodiment of the present application, the UE first receives, through the first access network, a positioning request message, which may be sent by the AMF1 or by a location management function (Location Management Function, LMF).
After receiving the positioning request message, the UE performs positioning measurement and/or position calculation, determines a positioning related message, and selects an access network according to the access network related information.
Step 102, the terminal sends a positioning-related message to a second access and management function AMF through the second access network.
Specifically, in the embodiment of the present application, the UE performs positioning measurement and/or position calculation, determines a positioning-related message, and after selecting a second access network according to information related to the access network, sends the positioning-related message to a second AMF through the second access network.
The second AMF is an AMF serving the UE through the second access network.
In some embodiments, the location-related message includes one or more of the following messages:
a terminal calling positioning request MO-LR message;
LPP messages;
locating the event report message.
Specifically, in embodiments of the present application, the location related message may include any one or more of a terminal caller location request (Mobile Originated Location Request, MO-LR) message, an LTE positioning protocol (LTE Positioning Protocol, LPP) message, or a positioning event report message.
For example, the location related message may be encapsulated in an uplink Non-Access Stratum (NAS) transport message (a transport message between the UE and the AMF), where the uplink NAS transport message includes an uplink location message and a routing identifier. The uplink positioning message may include an LPP message and an NR positioning protocol a (NR Positioning Protocol A, NRPPA) message.
In some embodiments, the method further comprises:
the terminal sends first information to the second AMF through the second access network;
the first information includes one or more of the following information:
a wireless access type of the first access network;
First indication information; the first indication information is used to indicate that the location related message is associated with a location request message received via a first access network.
Specifically, in the embodiment of the present application, it is also possible to carry the first information in a positioning-related message. Or, the UE sends the first information to the second AMF separately through the second access network. The first information comprises a radio access type and/or first indication information of the first access network. The first indication information is used to indicate that the location related message is associated with a location request message received via the first access network.
In some embodiments, if AMF1 related information is carried within the routing identifier, e.g., an Identification (ID) of AMF1, an internet protocol (Internet Protocol, IP) address of AMF1, etc., the UE need not send the first information to the second AMF via the second access network.
According to the positioning method provided by the embodiment of the application, the UE selects a better access network according to the information related to the access network to transmit the information related to the positioning, so that the influence caused by different states of different access networks or different PLMNs is avoided, the transmission delay of the information related to the positioning is further reduced on the basis of realizing the positioning, and the probability of successful transmission of the information related to the positioning is improved.
In some embodiments, the second AMF obtains a positioning-related message sent by the terminal through the second access network; the second access network is selected by the terminal according to information related to the access network.
Specifically, in the embodiment of the present application, after the UE sends the positioning-related message to the second AMF through the second access network, the second AMF obtains the positioning-related message sent by the UE through the second access network.
The second access network is selected by the UE according to the information related to the access network, and specific reference may be made to the foregoing embodiment, which is not described herein.
For details of the positioning related message, reference may be made to the above embodiments, and details are not repeated here.
In some embodiments, the method further comprises:
the second AMF sends the positioning related message to the first LMF; the first LMF is an LMF that sends a location request message to the terminal.
Specifically, in the embodiment of the present application, after the second AMF obtains the positioning-related message sent by the UE through the second access network, the positioning-related message may be sent to the first LMF, where the first LMF is an LMF that sends a positioning request message to the UE.
The second AMF may send the location related message to the first LMF in a number of different ways.
For example, the second AMF may send a location related message to the first LMF via the first AMF.
For example, the second AMF may send a location related message to the first LMF through a network opening function (Network Exposure Function, NEF).
For example, the second AMF may send a location related message to the first LMF via a storage function.
In some embodiments, the second AMF sending the location related message to the first LMF comprises:
the second AMF sends the positioning related message to the first LMF through the first AMF; the first AMF is an AMF for providing services for the terminal through a first access network.
Specifically, in the embodiment of the present application, the second AMF may send a location related message to the first LMF through the first AMF.
The first AMF is an AMF serving the UE through the first access network.
In some embodiments, the method further comprises:
the second AMF acquires information of the first AMF from a storage function; or,
the second AMF determines the information of the first AMF according to the positioning related message.
Specifically, in the embodiment of the present application, if the positioning-related message acquired by the second AMF includes information of the first AMF, the second AMF may determine the information of the first AMF according to the positioning-related message, where the information of the first AMF may be an ID of the first AMF, an IP address of the first AMF, and so on.
Before the second AMF sends the location related message to the first LMF through the first AMF, the second AMF may determine the information of the first AMF according to the location related message.
In some embodiments, if the location related message acquired by the second AMF does not include information of the first AMF, the second AMF may acquire the information of the first AMF from the storage function.
The second AMF may obtain information of the first AMF from the storage function before the second AMF sends a location related message to the first LMF through the first AMF.
For example, fig. 2 is one of signaling interaction diagrams of a positioning procedure provided in the embodiment of the present application, as shown in fig. 2, an LMF sends a positioning-related message through the access network 1; the UE sends a positioning related message via the access network 2; the UE registers with the same PLMN through access network 1 and access network 2 and the service AMF is different. The service AMF when the UE connects to access network 1 is denoted as AMF1, and the service AMF when the UE connects to access network 2 is denoted as AMF2.
For this scenario, the specific flow of UE-assisted and UE-based positioning procedures is as follows:
1. the LMF invokes a namf_communication_n1n2 message transmission (downlink location message) service operation to AMF1 requesting transmission of a downlink location message to the UE. The downlink location message may be used to request location information from the UE, provide assistance data to the UE, or request UE capabilities (if the LMF does not receive UE location capabilities from the AMF).
2. If the UE is in an idle state, the AMF initiates a network triggered service request procedure to establish a signaling connection with the UE.
3. AMF1 sends a downlink NAS transport message (downlink positioning message, route identifier) to the UE. Wherein the routing identifier is set to an LCS associated identifier.
4. The UE stores any (all) assistance data provided in the downlink positioning message and performs positioning measurements and/or position calculations based on the requirements of the downlink positioning message.
5. The UE selects the access network 2 to send a location related message. Because the signaling transmission delay can be reduced by sending the positioning related message through the access network 2, the purpose of reducing the positioning delay is achieved. For example, the access network 1 is satellite access, the access network 2 is terrestrial access, or both the access networks 1 and 2 are terrestrial access, but the UE is in an idle state in the access network 1, in a connected state in the access network 2, or in a congested state in the network 1, etc.
If the UE is in an idle state in the access network, the UE initiates a service request to establish a signaling connection with AMF 2.
6. The UE sends an uplink NAS transport message (uplink positioning message, route identifier) to AMF 2. The UE may also carry in the message the access type of the access network 1 or a first indication that the upstream NAS transport message relates to a positioning procedure initiated through the access network 1. If the route identifier carries AMF1 related information, such as the ID of AMF1, the IP address of AMF1, etc., then the parameter need not be carried.
7. According to the access type or the first indication of the access network 1, the AMF2 acquires the information of the service AMF of the UE in other access networks from the UDM, or according to the information of the AMF1 carried in the route identifier, sends an N1 notification message to the AMF1, wherein the notification message carries the uplink positioning message and the route identifier.
8. AMF1 determines the LMF from the routing identifier and then invokes a Namf_communication_N1 message to the LMF to notify the service operation. The service operation includes an uplink positioning message.
For another example, the network sends a period-trigger request message to the UE through the access network 1; the UE sends an event report through the access network 2; the UE registers with the same PLMN through access network 1 and access network 2 and the service AMF is different. For this scenario, the specific flow of UE-assisted and UE-based positioning procedures is as follows:
1. the UE sends an uplink NAS transport message (event report, route identifier) to AMF 2. The UE may also carry in the message the access type of the access network 1 or a first indication that the upstream NAS transport message relates to a positioning procedure initiated through the access network 1. If the route identifier carries AMF1 related information, such as the ID of AMF1, the IP address of AMF1, etc., then the parameter need not be carried.
2. According to the access type or the first indication of the access network 1, the AMF2 acquires the information of the service AMF of the UE in other access networks from the UDM, or according to the information of the AMF1 carried in the route identifier, sends an N1 notification message to the AMF1, wherein the notification message carries an event report and the route identifier.
3. AMF1 determines the LMF from the routing identifier and then invokes a Namf_communication_N1 message to the LMF to notify the service operation. The service operation includes event reporting.
In some embodiments, the second AMF sending the location related message to the first LMF comprises:
the second AMF sends the location related message to the first LMF via a NEF.
Specifically, in the embodiment of the present application, the second AMF may send a location related message to the first LMF through the NEF.
For example, fig. 3 is a second signaling interaction diagram of a positioning procedure provided in the embodiment of the present application, as shown in fig. 3, an LMF sends a positioning-related message through the access network 1; the UE sends a positioning related message via the access network 2; the UE registers with different PLMNs through access network 1 and access network 2. In this scenario, two different PLMNs may be a home public land mobile network (Home Public Land Mobile Network, HPLMN) and a visited public land mobile network (Visited Public Land Mobile Network, VPLMN), as well as two different VPLMNs. The subscription information of the UE is stored in the HPLMN UDM. The serving network element of the UE in PLMN1 is denoted NF1 (including AMF1, LMF1, NEF1, etc.), and the serving network element in PLMN2 is denoted NF2 (including AMF2, LMF2, NEF2, etc.). For this scenario, the specific flow of UE-assisted and UE-based positioning procedures is as follows:
1. The LMF invokes a namf_communication_n1n2 message transmission (downlink location message) service operation to AMF1 requesting transmission of a downlink location message to the UE. The downlink location message may be used to request location information from the UE, provide assistance data to the UE, or request UE capabilities (if the LMF does not receive UE location capabilities from the AMF).
2. If the UE is in an idle state, the AMF initiates a network triggered service request procedure to establish a signaling connection with the UE.
3. AMF1 sends a downlink NAS transport message (downlink positioning message, route identifier) to the UE. Wherein the routing identifier is set to an LCS associated identifier.
4. The UE stores any (all) assistance data provided in the downlink positioning message and performs positioning measurements and/or position calculations based on the requirements of the downlink positioning message.
5. The UE selects the access network 2 to send a location related message. Because the signaling transmission delay can be reduced by sending the positioning related message through the access network 2, the purpose of reducing the positioning delay is achieved. For example, the access network 1 is satellite access, the access network 2 is terrestrial access, or both the access networks 1 and 2 are terrestrial access, but the UE is in an idle state in the access network 1, in a connected state in the access network 2, or in a congested state in the network 1, etc.
If the UE is in an idle state in the access network, the UE initiates a service request to establish a signaling connection with AMF 2.
6. The UE sends an uplink NAS transport message (uplink positioning message, route identifier) to AMF 2. The UE may also carry in the message the access type of the access network 1 or a first indication that the upstream NAS transport message relates to a positioning procedure initiated through the access network 1. If the route identifier carries AMF1 related information, such as the ID of AMF1, the IP address of AMF1, etc., then the parameter need not be carried.
After step 6, a scheme for transmitting a location related message to a first LMF through a NEF includes the steps of (as in block (a) of fig. 3):
and 7a, AMF2 sends a first request message to the UDM, wherein the message carries the UE identification.
7b, the UDM returns a first reply message to the AMF2, the message carrying the PLMN1 ID.
8. AMF2 sends a second request to NEF1 in PLMN1 according to PLMN1 ID, and the message carries uplink positioning message, UE identification and route identifier. NEF1 may obtain AMF1 information from the UDM based on the UE identity.
9. The NEF1 sends a namf_communication_n1 information notification to AMF1, the message carrying the uplink positioning message, the routing identifier.
10. AMF1 determines the LMF from the routing identifier and then invokes a Namf_communication_N1 message to the LMF to notify the service operation. The service operation includes an uplink positioning message.
After step 6, another scheme for sending a location related message to the first LMF via the NEF includes the following steps (as in block (B) of fig. 3):
and 7a, AMF2 sends a first request message to the UDM, wherein the message carries the UE identification.
7b, the UDM returns a first reply message to the AMF2, the message carrying the PLMN1 ID.
8. AMF2 sends a second request to NEF1 in PLMN1 according to PLMN1 ID, and the message carries uplink positioning message, UE identification and route identifier.
9. NEF1 decides LMF1 based on the routing identifier and then sends a third notification to LMF1 that the message carries the uplink location message, the routing identifier.
In some embodiments, the second AMF sending the location related message to the first LMF comprises:
the second AMF sends the location related message to the first LMF via a storage function.
Specifically, in the embodiment of the present application, the second AMF may send a location related message to the first LMF through the storage function. Storage functions include unified data management (Unified Data Management, UDM), unified data storage (Unified Data Repository, UDR), unstructured data storage functions (Unstructured Data Storage Function, UDSF), and the like.
Also taking the application scenario in fig. 3 as an example (taking the storage function as UDM in fig. 3 as an example), the specific flow of the UE-assisted and UE-based positioning procedure is as follows:
1. the LMF invokes a namf_communication_n1n2 message transmission (downlink location message) service operation to AMF1 requesting transmission of a downlink location message to the UE. The downlink location message may be used to request location information from the UE, provide assistance data to the UE, or request UE capabilities (if the LMF does not receive UE location capabilities from the AMF).
2. If the UE is in an idle state, the AMF initiates a network triggered service request procedure to establish a signaling connection with the UE.
3. AMF1 sends a downlink NAS transport message (downlink positioning message, route identifier) to the UE. Wherein the routing identifier is set to an LCS associated identifier.
4. The UE stores any (all) assistance data provided in the downlink positioning message and performs positioning measurements and/or position calculations based on the requirements of the downlink positioning message.
5. The UE selects the access network 2 to send a location related message. Because the signaling transmission delay can be reduced by sending the positioning related message through the access network 2, the purpose of reducing the positioning delay is achieved. For example, the access network 1 is satellite access, the access network 2 is terrestrial access, or both the access networks 1 and 2 are terrestrial access, but the UE is in an idle state in the access network 1, in a connected state in the access network 2, or in a congested state in the network 1, etc.
If the UE is in an idle state in the access network, the UE initiates a service request to establish a signaling connection with AMF 2.
6. The UE sends an uplink NAS transport message (uplink positioning message, route identifier) to AMF 2. The UE may also carry in the message the access type of the access network 1 or a first indication that the upstream NAS transport message relates to a positioning procedure initiated through the access network 1. If the route identifier carries AMF1 related information, such as the ID of AMF1, the IP address of AMF1, etc., then the parameter need not be carried.
After step 6, a scheme for sending a location related message to a first LMF via UDM includes the steps of (as in block (C) in fig. 3):
7. AMF2 sends a first request message to UDM, the message carries UE identification, uplink positioning message and route identifier.
8. The UDM decides AMF1 according to the UE identification, then sends Namf_communication_N1 information notice to AMF1, and the message carries uplink positioning message and route identifier.
9. AMF1 determines LMF1 from the route identifier and then invokes a Namf_communication_N1 message notification service operation to the LMF 1. The service operation includes an uplink positioning message.
After step 6, another scheme for sending a location related message to the first LMF via UDM includes the following steps (as in block (D) in fig. 3):
7. AMF2 sends a first request message to UDM, the message carries UE identification, uplink positioning message and route identifier.
8. The UDM decides LMF1 based on the routing identifier and then sends a fourth knowledge (uplink location message, routing identifier) to LMF 1.
In some embodiments, the method further comprises:
the second AMF sends the positioning related message to a second LMF; the second LMF is a preset LMF.
Specifically, in the embodiment of the present application, after the second AMF obtains the positioning-related message sent by the UE through the second access network, the second AMF may send the positioning-related message to a preset (default) LMF, and the second AMF sends the positioning-related message to the default LMF to indicate that no LMF maintains the positioning-related message in the network.
For example, fig. 4 is a third signaling interaction diagram of a positioning procedure provided in the embodiment of the present application, as shown in fig. 4, where the network sends a period-trigger request message to the UE through the access network 1; the UE sends an event report through the access network 2; the UE registers with different PLMNs through access network 1 and access network 2. In this scenario, two different PLMNs may be HPLMN and VPLMN, and two different PLMNs may also be two different VPLMN. The subscription information of the UE is stored in the HPLMN UDM. The serving network element of the UE in PLMN1 is denoted NF1 (including AMF1, LMF1, NEF1, etc.), and the serving network element in PLMN2 is denoted NF2 (including AMF2, LMF2, NEF2, etc.). For this scenario, the specific flow of UE-assisted and UE-based positioning procedures is as follows:
0. The UE receives an LCS period-triggered invocation request through the access network 1.
1. The UE monitors the event occurrence.
2. The UE selects the access network 2 to send an uplink NAS transport message (event report, deferral route identifier). Because the signaling transmission delay can be reduced by sending the positioning related message through the access network 2, the purpose of reducing the positioning delay is achieved. For example, the access network 1 is satellite access, the access network 2 is terrestrial access, or both the access networks 1 and 2 are terrestrial access, but the UE is in an idle state in the access network 1, in a connected state in the access network 2, or in a congestion state in the network 1, etc.
The UE sends an uplink NAS transport message to AMF2, carrying an event report, a deferral route identifier and an access network 1 indication in the message. If the UE can identify that the deferred route identifier points to a default LMF, then the access network 1 indication may not be carried.
The deferred routing identifier is assigned by the LMF and may be an LMF identification. When the LMF sends a periodic trigger invocation request to the UE, the LMF carries a deferred routing identifier in the request message. When the UE sends an event report, the UE encapsulates the event report and the deferral routing identifier within a NAS transport message, and then sends the NAS transport message to the AMF. The AMF selects the LMF using the deferred routing identifier and sends an event report to the LMF.
3. The AMF2 receives the uplink NAS transport message, and may determine, according to the indication of the access network 1, that the positioning event report of the present transmission is related to the access network 1. AMF2 selects a default LMF (denoted LMF 2) and then sends an event report to LMF 2.
3a, LMF2 sends event report acknowledgements to the UE.
After step 3a, in an alternative, the following steps (e.g., block (a) in fig. 4)) may be further included:
4. LMF2 sends an event notification message to a second visited gateway mobile location center (Visited Gateway Mobile Location Center, V-GMLC). The second V-GMLC may be referred to as V-GMLC2.
5. The V-GMLC2 sends an event notification message to the home gateway mobile location center (Home Gateway Mobile Location Center, H-GMLC).
6. The H-GMLC sends a location service reply message to the location service (LoCation Services, LCS) Client (Client).
After step 3a, in another alternative, the following steps (e.g., block (B) in fig. 4)) may be further included:
4a, the UE sends an event report status notification message to the LMF1 through the access network 1 and the AMF 1.
The LMF1 updates the locally stored location event state/location event information upon receiving the event report state notification message. In this process, when AMF1 receives the event report status and deferral route identifier, if the deferral route identifier represents a default LMF, indicating that no LMF in the network maintains the event report status, AMF1 discards the message.
After step 3a, in another alternative, step 3a may further include the following steps (e.g., block (C) in fig. 4):
4b, the UE sends an uplink NAS transport message (event report status notification, deferral route identifier, access network 1) to the AMF2 via the access network 2.
5. AMF2 sends a location related message to LMF1. For a specific manner of sending the location related message to LMF1 by AMF2, reference may be made to the above-mentioned embodiments (blocks (a) - (D) in fig. 3), and details are not repeated here.
The LMF1 updates the locally stored location event state/location event information upon receiving the event report state notification message. In this process, when AMF1 receives the event report status and deferral route identifier, if the deferral route identifier represents a default LMF, indicating that no LMF in the network maintains the event report status, AMF1 discards the message.
Taking the application scenario in fig. 4 as an example, the specific flow of the UE-assisted and UE-based positioning procedure is as follows:
0. the UE receives an LCS period-triggered invocation request through the access network 1.
1. The UE monitors the event occurrence.
2. The UE selects the access network 2 to send an uplink NAS transport message (event report, deferral route identifier). Because the signaling transmission delay can be reduced by sending the positioning related message through the access network 2, the purpose of reducing the positioning delay is achieved. For example, the access network 1 is satellite access, the access network 2 is terrestrial access, or both the access networks 1 and 2 are terrestrial access, but the UE is in an idle state in the access network 1, in a connected state in the access network 2, or in a congestion state in the network 1, etc.
The UE sends an uplink NAS transport message to AMF2, carrying an event report, a deferral route identifier and an access network 1 indication in the message. If the UE can identify that the deferred route identifier points to a default LMF, then the access network 1 indication may not be carried.
3. AMF2 is dependent on whether the deferred routing identifier is a default LMF (e.g., LMF 2).
4a, if the default LMF is adopted, the AMF2 selects the LMF2 and sends an event report to the LMF 2.
4b, if serving LMF (e.g., LMF 1), AMF2 sends a location related message to LMF1. For a specific manner of sending the location related message to LMF1 by AMF2, reference may be made to the above-mentioned embodiments (blocks (a) - (D) in fig. 3), and details are not repeated here.
In some embodiments, the storage function receives a location event information request message sent by the LMF;
the storage function sends a location event information reply message to the LMF.
Specifically, in the embodiment of the present application, the storage function includes UDM, UDR, UDSF and the like.
The event report status information is stored in the storage Function, and the LMF (or other Network Function (NF), e.g., network data analysis Function (Network Data Analytics Function, NWDAF), etc.) can update the event report status by accessing the storage Function, regardless of which access Network the UE transmits the event report through.
The LMF sends a location event information request message to the storage function requesting acquisition of location event status/location event information.
The storage function receives a location event information request message sent by the LMF.
The storage function sends a location event information reply message to the LMF, where the location event information reply message is used to indicate a location event state/location event information, for example, the location event information reply message may directly carry the location event state/location event information.
In some embodiments, in the case that the storage function determines that the positioning event report message received by the LMF is the last positioning event report, or the storage function determines that the positioning event report request is canceled, the storage function receives a positioning event information deletion message sent by the LMF;
the storage function updates or deletes the locally stored positioning event state/positioning event information according to the positioning event information deletion message.
Specifically, in the present embodiment, the UE is connected to two 3GPP access networks, namely, access network 1 and access network 2. The AMF serving the UE through the access network 1 is AMF1, and the AMF serving the UE through the access network 2 is AMF2.
In some embodiments, the method further comprises:
the storage function receives a positioning event registration message.
Specifically, in the embodiment of the present application, the UE receives, through the access network 1, an LCS period-trigger call request sent by the LMF 1.
The LMF1 sends a location event registration message to the storage function carrying the message carrying event information and a deferred location request (Location Deferred Request, LDR) reference number (reference number).
In some embodiments, the positioning event information request message is sent after receiving a positioning event report message sent by the AMF.
Specifically, in the embodiment of the present application, after receiving the positioning event report message sent by the AMF2, the LMF2 sends a positioning event information request message to the storage function.
If the LMF2 finds that the event report is the last event report when updating the event information, or if the default positioning event report request is cancelled because the positioning event report is not received for a long time, the LMF2 sends a first delete message carrying the LDR reference number. The storage function updates or deletes locally stored location event status/location event information based on the received message.
For example, fig. 5 is a fourth signaling interaction schematic diagram of a positioning procedure provided in the embodiment of the present application, and as shown in fig. 5, a specific procedure of a UE-assisted and UE-based positioning procedure is as follows:
0a, the UE receives an LCS period-triggered invocation request through the access network 1.
0b, LMF1 sends a first notification message (location event registration message) to the storage function, the first notification message carrying event information and LDR reference numbers.
1. The UE monitors the event occurrence.
2. The UE selects the access network 2 to send an uplink NAS transport message (event report, deferral route identifier). Because the signaling transmission delay can be reduced by sending the positioning related message through the access network 2, the purpose of reducing the positioning delay is achieved. For example, the access network 1 is satellite access, the access network 2 is terrestrial access, or both the access networks 1 and 2 are terrestrial access, but the UE is in an idle state in the access network 1, in a connected state in the access network 2, or in a congestion state in the network 1, etc.
3. AMF2 sends an event report to LMF 2.
4. LMF2 sends a second request to the storage function, the message carrying the LDR reference number.
5. The storage function sends a second reply message to LMF2 carrying event information. LMF2 updates event information.
6. The LMF2 sends a first notification to the storage function carrying the LDR reference number and event information. If LMF2 finds that this event report is the last event report when updating the event information in step 5, LMF2 sends a first delete message carrying the LDR reference number. The storage function updates or deletes locally stored location event status/location event information based on the received message.
7. LMF2 sends event report acknowledgements to the UE.
8. LMF2 sends an event notification message to V-GMLC 2.
9. The V-GMLC2 sends an event notification message to the H-GMLC.
10. The H-GMLC sends a location services reply message to the LCS Client.
When LMF1 receives a location request to cancel a deferred period or event trigger, LMF1 sends a first delete message to the storage function, the message carrying an LDR reference number, the storage function deleting locally stored location event state/location event information associated with the LDR reference number.
According to the positioning method provided by the embodiment of the application, the terminal selects a better access network according to the information related to the access network to transmit the information related to the positioning, so that the influence caused by different states of different access networks or different PLMNs is avoided, the transmission delay of the information related to the positioning is further reduced on the basis of realizing the positioning, and the probability of successful transmission of the information related to the positioning is improved.
Fig. 6 is a second flowchart of a positioning method according to the embodiment of the present application, as shown in fig. 6, where an execution body of the positioning method may be a network device, for example, a second AMF. The method comprises the following steps:
step 601, a second AMF acquires a positioning related message sent by a terminal through a second access network; the second access network is selected by the terminal according to information related to the access network.
In some embodiments, further comprising:
the second AMF sends the positioning related message to a second LMF; the second LMF is a preset LMF.
In some embodiments, further comprising:
the second AMF sends the positioning related message to the first LMF; the first LMF is an LMF that sends a location request message to the terminal.
In some embodiments, the second AMF sending the location related message to the first LMF comprises:
the second AMF sends the positioning related message to the first LMF through the first AMF; the first AMF is an AMF for providing services for the terminal through a first access network.
In some embodiments, further comprising:
the second AMF acquires information of the first AMF from a storage function; or,
The second AMF determines the information of the first AMF according to the positioning related message.
In some embodiments, the second AMF sending the location related message to the first LMF comprises:
the second AMF sends the location related message to the first LMF via a NEF.
In some embodiments, the second AMF sending the location related message to the first LMF comprises:
the second AMF sends the location related message to the first LMF via a storage function.
Specifically, the positioning method provided in the embodiment of the present application may refer to the embodiment of the positioning method in which the execution body is the terminal, and may achieve the same technical effects, and the parts and beneficial effects that are the same as those of the embodiment of the corresponding method in the embodiment are not specifically described herein.
Fig. 7 is a third flow chart of the positioning method according to the embodiment of the present application, as shown in fig. 7, where an execution body of the positioning method may be a network device, for example, a storage function. The method comprises the following steps:
step 701, a storage function receives a positioning event information request message sent by an LMF;
step 702, the storage function sends a location event information reply message to the LMF.
In some embodiments, further comprising:
the storage function receives a positioning event information deleting message sent by the LMF;
and the storage function updates or deletes the locally stored positioning event information according to the positioning event information deleting message.
In some embodiments, further comprising:
the storage function determines that the positioning event report message received by the LMF is the last positioning event report; or alternatively, the first and second heat exchangers may be,
the storage function determines that the positioning event report request is canceled.
In some embodiments, the positioning event information request message is sent after receiving a positioning event report message sent by the AMF.
In some embodiments, the method further comprises:
the storage function receives a positioning event registration message.
Specifically, the positioning method provided in the embodiment of the present application may refer to the embodiment of the positioning method in which the execution body is the terminal, and may achieve the same technical effects, and the parts and beneficial effects that are the same as those of the embodiment of the corresponding method in the embodiment are not specifically described herein.
Fig. 8 is a schematic structural diagram of a terminal according to an embodiment of the present application, as shown in fig. 8, where the terminal includes a memory 820, a transceiver 800, and a processor 810, where:
A memory 820 for storing a computer program; a transceiver 800 for transceiving data under the control of the processor 810; a processor 810 for reading the computer program in the memory 820 and performing the following operations:
selecting a second access network according to the information related to the access network;
and sending a positioning-related message to a second access and management function AMF through the second access network.
Specifically, the transceiver 800 is configured to receive and transmit data under the control of the processor 810.
Wherein in fig. 8, a bus architecture may comprise any number of interconnected buses and bridges, and in particular one or more processors represented by processor 810 and various circuits of memory represented by memory 820, linked together. The bus architecture may also link together various other circuits such as peripheral devices, voltage regulators, power management circuits, etc., which are well known in the art and, therefore, will not be described further herein. The bus interface provides an interface. Transceiver 800 may be a number of elements, including a transmitter and a receiver, providing a means for communicating with various other apparatus over a transmission medium, including wireless channels, wired channels, optical cables, etc. The user interface 830 may also be an interface capable of interfacing with an inscribed desired device for a different user device, including but not limited to a keypad, display, speaker, microphone, joystick, etc.
The processor 810 is responsible for managing the bus architecture and general processing, and the memory 820 may store data used by the processor 810 in performing operations.
In some embodiments, processor 810 may be a central processing unit (Central Processing Unit, CPU), an application specific integrated circuit (Application Specific Integrated Circuit, ASIC), a Field programmable gate array (Field-Programmable Gate Array, FPGA) or a complex programmable logic device (Complex Programmable Logic Device, CPLD), which may also employ a multi-core architecture.
The processor is configured to execute any of the methods provided in the embodiments of the present application by invoking a computer program stored in a memory in accordance with the obtained executable instructions. The processor and the memory may also be physically separate.
In some embodiments, further comprising:
a location request message is received through a first access network.
In some embodiments, the access network related information includes one or more of the following:
a wireless access type;
the connection state of the access network;
an operator policy;
load status of the access network.
In some embodiments, the location-related message comprises one or more of the following messages:
A terminal calling positioning request MO-LR message;
LPP messages;
locating the event report message.
In some embodiments, further comprising:
sending first information to the second AMF through the second access network;
the first information includes one or more of the following information:
a wireless access type of the first access network;
first indication information; the first indication information is used to indicate that the location related message is associated with a location request message received via a first access network.
It should be noted that, the terminal provided in this embodiment of the present application can implement all the method steps implemented by the method embodiment in which the execution body is a terminal, and can achieve the same technical effects, and detailed descriptions of the same parts and beneficial effects as those of the method embodiment in this embodiment are omitted.
Fig. 9 is a schematic structural diagram of an AMF according to an embodiment of the invention, as shown in fig. 9, the AMF includes a memory 920, a transceiver 900, and a processor 910, wherein:
a memory 920 for storing a computer program; a transceiver 900 for transceiving data under the control of the processor 910; a processor 910 for reading the computer program in the memory 920 and performing the following operations:
Acquiring a positioning related message sent by a terminal through a second access network; the second access network is selected by the terminal according to information related to the access network.
Specifically, the transceiver 900 is configured to receive and transmit data under the control of the processor 910.
Wherein in fig. 9, a bus architecture may comprise any number of interconnected buses and bridges, and in particular one or more processors represented by processor 910 and various circuits of memory represented by memory 920, linked together. The bus architecture may also link together various other circuits such as peripheral devices, voltage regulators, power management circuits, etc., which are well known in the art and, therefore, will not be described further herein. The bus interface provides an interface. Transceiver 900 may be a number of elements, including a transmitter and a receiver, providing a means for communicating with various other apparatus over a transmission medium, including wireless channels, wired channels, optical cables, etc. The processor 910 is responsible for managing the bus architecture and general processing, and the memory 920 may store data used by the processor 910 in performing operations.
The processor 910 may be a central processing unit (Central Processing Unit, CPU), an application specific integrated circuit (Application Specific Integrated Circuit, ASIC), a Field programmable gate array (Field-Programmable Gate Array, FPGA), or a complex programmable logic device (Complex Programmable Logic Device, CPLD), or the processor may employ a multi-core architecture.
In some embodiments, further comprising:
sending the location related message to a second LMF; the second LMF is a preset LMF.
In some embodiments, further comprising:
transmitting the location related message to a first LMF; the first LMF is an LMF that sends a location request message to the terminal.
In some embodiments, the sending the location related message to the first LMF comprises:
transmitting the location related message to the first LMF through a first AMF; the first AMF is an AMF for providing services for the terminal through a first access network.
In some embodiments, further comprising:
acquiring information of the first AMF from a storage function; or,
and determining the information of the first AMF according to the positioning related message.
In some embodiments, the sending the location related message to the first LMF comprises:
and sending the positioning related message to the first LMF through the NEF.
In some embodiments, the sending the location related message to the first LMF comprises:
and sending the positioning related message to the first LMF through a storage function.
Specifically, the AMF provided in the embodiment of the present application can implement all the method steps implemented by the method embodiment in which the execution subject is the second AMF, and can achieve the same technical effects, and detailed descriptions of the same parts and beneficial effects as those of the method embodiment in the embodiment are omitted herein.
Fig. 10 is a schematic structural diagram of a storage function provided in an embodiment of the present application, as shown in fig. 10, where the storage function includes a memory 1020, a transceiver 1000, and a processor 1010, where:
a memory 1020 for storing a computer program; a transceiver 1000 for transceiving data under the control of the processor 1010; a processor 1010 for reading the computer program in the memory 1020 and performing the following operations:
receiving a positioning event information request message sent by an LMF;
and sending a positioning event information reply message to the LMF.
Specifically, the transceiver 1000 is configured to receive and transmit data under the control of the processor 1010.
Wherein in fig. 10, a bus architecture may comprise any number of interconnected buses and bridges, and in particular one or more processors represented by processor 1010 and various circuits of memory represented by memory 1020, linked together. The bus architecture may also link together various other circuits such as peripheral devices, voltage regulators, power management circuits, etc., which are well known in the art and, therefore, will not be described further herein. The bus interface provides an interface. Transceiver 1000 may be a number of elements, including a transmitter and a receiver, providing a means for communicating with various other apparatus over a transmission medium, including wireless channels, wired channels, optical cables, etc. The processor 1010 is responsible for managing the bus architecture and general processing, and the memory 1020 may store data used by the processor 1010 in performing operations.
The processor 1010 may be a central processing unit (Central Processing Unit, CPU), an application specific integrated circuit (Application Specific Integrated Circuit, ASIC), a Field programmable gate array (Field-Programmable Gate Array, FPGA) or a complex programmable logic device (Complex Programmable Logic Device, CPLD), or may employ a multi-core architecture.
In some embodiments, further comprising:
receiving a positioning event information deleting message sent by the LMF;
and updating or deleting the locally stored positioning event state/positioning event information according to the positioning event information deleting message.
In some embodiments, further comprising:
determining the positioning event report message received by the LMF as a last positioning event report; or alternatively, the first and second heat exchangers may be,
it is determined that the positioning event report request is canceled.
In some embodiments, the positioning event information request message is sent after receiving a positioning event report message sent by the AMF.
In some embodiments, the processor is further configured to read the computer program in the memory and perform the following:
a positioning event registration message is received.
Specifically, the storage function provided in the embodiment of the present application can implement all the method steps implemented by the method embodiment in which the execution body is the storage function, and can achieve the same technical effects, and the same parts and beneficial effects as those of the method embodiment in the embodiment are not described in detail herein.
Fig. 11 is a schematic structural diagram of a positioning device provided in an embodiment of the present application, as shown in fig. 11, the embodiment of the present application provides a positioning device, including a selection module 1101 and a first sending module 1102, where:
the selection module 1101 is configured to select a second access network according to information related to an access network;
the first sending module 1102 is configured to send a positioning-related message to a second access and management function AMF through the second access network.
In some embodiments, further comprising:
a location request message is received through a first access network.
In some embodiments, the access network related information includes one or more of the following:
a wireless access type;
the connection state of the access network;
an operator policy;
load status of the access network.
In some embodiments, the location-related message comprises one or more of the following messages:
a terminal calling positioning request MO-LR message;
LPP messages;
locating the event report message.
In some embodiments, further comprising:
sending first information to the second AMF through the second access network;
the first information includes one or more of the following information:
A wireless access type of the first access network;
first indication information; the first indication information is used to indicate that the location related message is associated with a location request message received via a first access network.
Specifically, the positioning device provided in the embodiment of the present application can implement all the method steps implemented by the method embodiment in which the execution body is a terminal, and can achieve the same technical effects, and the same parts and beneficial effects as those of the method embodiment in the embodiment are not described in detail herein.
Fig. 12 is a second schematic structural diagram of a positioning device according to the embodiment of the present application, as shown in fig. 12, where the embodiment of the present application provides a positioning device, including a first obtaining module 1201, where:
the first obtaining module 1201 is configured to obtain, through the second access network, a positioning-related message sent by the terminal; the second access network is selected by the terminal according to information related to the access network.
In some embodiments, further comprising:
sending the location related message to a second LMF; the second LMF is a preset LMF.
In some embodiments, further comprising:
transmitting the location related message to a first LMF; the first LMF is an LMF that sends a location request message to the terminal.
In some embodiments, the sending the location related message to the first LMF comprises:
transmitting the location related message to the first LMF through a first AMF; the first AMF is an AMF for providing services for the terminal through a first access network.
In some embodiments, further comprising:
acquiring information of the first AMF from a storage function; or,
and determining the information of the first AMF according to the positioning related message.
In some embodiments, the sending the location related message to the first LMF comprises:
and sending the positioning related message to the first LMF through the NEF.
In some embodiments, the sending the location related message to the first LMF comprises:
and sending the positioning related message to the first LMF through a storage function.
Specifically, the positioning device provided in the embodiment of the present application can implement all the method steps implemented by the method embodiment in which the execution body is the second AMF, and can achieve the same technical effects, and detailed descriptions of the same parts and beneficial effects as those of the method embodiment in the embodiment are omitted herein.
Fig. 13 is a third schematic structural diagram of a positioning device according to the embodiment of the present application, as shown in fig. 13, where the positioning device includes a first receiving module 1301 and a second sending module 1302, where:
The first receiving module 1301 is configured to receive a positioning event information request message sent by an LMF;
the second sending module 1302 is configured to send a positioning event information reply message to the LMF.
In some embodiments, further comprising:
receiving a positioning event information deleting message sent by the LMF;
and updating or deleting the locally stored positioning event state/positioning event information according to the positioning event information deleting message.
In some embodiments, further comprising:
determining the positioning event report message received by the LMF as a last positioning event report; or alternatively, the first and second heat exchangers may be,
it is determined that the positioning event report request is canceled.
In some embodiments, the positioning event information request message is sent after receiving a positioning event report message sent by the AMF.
In some embodiments, the processor is further configured to read the computer program in the memory and perform the following:
a positioning event registration message is received.
Specifically, the positioning device provided in the embodiment of the present application can implement all the method steps implemented by the method embodiment in which the execution body is a storage function, and can achieve the same technical effects, and the same parts and beneficial effects as those of the method embodiment in the embodiment are not described in detail herein.
It should be noted that the division of the units/modules in the embodiments of the present application is merely a logic function division, and other division manners may be implemented in practice. In addition, each functional unit in each embodiment of the present application may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units may be implemented in hardware or in software functional units.
The integrated units, if implemented in the form of software functional units and sold or used as stand-alone products, may be stored in a processor-readable storage medium. Based on such understanding, the technical solution of the present application may be embodied in essence or a part contributing to the prior art or all or part of the technical solution, in the form of a software product stored in a storage medium, including several instructions to cause a computer device (which may be a personal computer, a server, or a network device, etc.) or a processor (processor) to perform all or part of the steps of the methods described in the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (Random Access Memory, RAM), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
In some embodiments, there is also provided a computer-readable storage medium storing a computer program for causing a computer to execute the positioning method provided by the above-described method embodiments.
Specifically, the computer readable storage medium provided in the embodiment of the present application can implement all the method steps implemented by the embodiments of the present application and achieve the same technical effects, and the parts and beneficial effects that are the same as those of the embodiments of the present application are not described in detail herein.
It should be noted that: the computer readable storage medium may be any available medium or data storage device that can be accessed by a processor including, but not limited to, magnetic memory (e.g., floppy disks, hard disks, magnetic tape, magneto-optical disks (MOs), etc.), optical memory (e.g., CD, DVD, BD, HVD, etc.), and semiconductor memory (e.g., ROM, EPROM, EEPROM, nonvolatile memory (NAND FLASH), solid State Disk (SSD)), etc.
In addition, it should be noted that: the terms "first," "second," and the like in the embodiments of the present application are used for distinguishing between similar objects and not for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application are capable of operation in sequences other than those illustrated or otherwise described herein, and that the terms "first" and "second" are generally intended to be used in a generic sense and not to limit the number of objects, for example, the first object may be one or more.
In the embodiment of the application, the term "and/or" describes the association relationship of the association objects, which means that three relationships may exist, for example, a and/or B may be represented: 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 term "plurality" in the embodiments of the present application means two or more, and other adjectives are similar thereto.
The technical scheme provided by the embodiment of the application can be suitable for various systems, in particular to a 5G system. For example, suitable systems may be global system for mobile communications (global system of mobile communication, GSM), code division multiple access (code division multiple access, CDMA), wideband code division multiple access (Wideband Code Division Multiple Access, WCDMA) universal packet Radio service (general packet Radio service, GPRS), long term evolution (long term evolution, LTE), LTE frequency division duplex (frequency division duplex, FDD), LTE time division duplex (time division duplex, TDD), long term evolution-advanced (long term evolution advanced, LTE-a), universal mobile system (universal mobile telecommunication system, UMTS), worldwide interoperability for microwave access (worldwide interoperability for microwave access, wiMAX), 5G New air interface (New Radio, NR), and the like. Terminal devices and network devices are included in these various systems. Core network parts such as evolved packet system (Evloved Packet System, EPS), 5G system (5 GS) etc. may also be included in the system.
The terminal device according to the embodiments of the present application may be a device that provides voice and/or data connectivity to a user, a handheld device with a wireless connection function, or other processing device connected to a wireless modem, etc. The names of the terminal devices may also be different in different systems, for example in a 5G system, the terminal devices may be referred to as User Equipment (UE). The wireless terminal device may communicate with one or more Core Networks (CNs) via a radio access Network (Radio Access Network, RAN), which may be mobile terminal devices such as mobile phones (or "cellular" phones) and computers with mobile terminal devices, e.g., portable, pocket, hand-held, computer-built-in or vehicle-mounted mobile devices that exchange voice and/or data with the radio access Network. Such as personal communication services (Personal Communication Service, PCS) phones, cordless phones, session initiation protocol (Session Initiated Protocol, SIP) phones, wireless local loop (Wireless Local Loop, WLL) stations, personal digital assistants (Personal Digital Assistant, PDAs), and the like. The wireless terminal device may also be referred to as a system, subscriber unit (subscriber unit), subscriber station (subscriber station), mobile station (mobile), remote station (remote station), access point (access point), remote terminal device (remote terminal), access terminal device (access terminal), user terminal device (user terminal), user agent (user agent), user equipment (user device), and the embodiments of the present application are not limited.
The network device according to the embodiment of the present application may be a base station, where the base station may include a plurality of cells for providing services for a terminal. A base station may also be called an access point or may be a device in an access network that communicates over the air-interface, through one or more sectors, with wireless terminal devices, or other names, depending on the particular application. The network device may be operable to exchange received air frames with internet protocol (Internet Protocol, IP) packets as a router between the wireless terminal device and the rest of the access network, which may include an Internet Protocol (IP) communication network. The network device may also coordinate attribute management for the air interface. For example, the network device according to the embodiments of the present application may be a network device (Base Transceiver Station, BTS) in a global system for mobile communications (Global System for Mobile communications, GSM) or code division multiple access (Code Division Multiple Access, CDMA), a network device (NodeB) in a wideband code division multiple access (Wide-band Code Division Multiple Access, WCDMA), an evolved network device (evolutional Node B, eNB or e-NodeB) in a long term evolution (long term evolution, LTE) system, a 5G base station (gNB) in a 5G network architecture (next generation system), a home evolved base station (Home evolved Node B, heNB), a relay node (relay node), a home base station (femto), a pico base station (pico), and the like. In some network structures, the network device may include a Centralized Unit (CU) node and a Distributed Unit (DU) node, which may also be geographically separated.
The term "determining B based on a" in the present application means that a is a factor to be considered in determining B. Not limited to "B can be determined based on A alone", it should also include: "B based on A and C", "B based on A, C and E", "C based on A, further B based on C", etc. Additionally, a may be included as a condition for determining B, for example, "when a satisfies a first condition, B is determined using a first method"; for another example, "when a satisfies the second condition, B" is determined, etc.; for another example, "when a satisfies the third condition, B" is determined based on the first parameter, and the like. Of course, a may be a condition in which a is a factor for determining B, for example, "when a satisfies the first condition, C is determined using the first method, and B is further determined based on C", or the like.
Multiple-input Multiple-output (Multi Input Multi Output, MIMO) transmissions may each be made between a network device and a terminal device using one or more antennas, and the MIMO transmissions may be Single User MIMO (SU-MIMO) or Multiple User MIMO (MU-MIMO). The MIMO transmission may be 2D-MIMO, 3D-MIMO, FD-MIMO, or massive-MIMO, or may be diversity transmission, precoding transmission, beamforming transmission, or the like, depending on the form and number of the root antenna combinations.
It will be appreciated by those skilled in the art that embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, magnetic disk storage, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer-executable instructions. These computer-executable instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These processor-executable instructions may also be stored in a processor-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the processor-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These processor-executable instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
It will be apparent to those skilled in the art that various modifications and variations can be made in the present application without departing from the spirit or scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims and the equivalents thereof, the present application is intended to cover such modifications and variations.
Claims (38)
1. A positioning method, comprising:
the terminal selects a second access network according to the information related to the access network;
and the terminal sends a message related to the positioning to a second access and management function AMF through the second access network.
2. The positioning method of claim 1, wherein the method further comprises:
the terminal receives a positioning request message through a first access network.
3. The positioning method according to claim 1, wherein the access network related information comprises one or more of the following information:
a wireless access type;
the connection state of the access network;
an operator policy;
load status of the access network.
4. The positioning method of claim 1, wherein the positioning-related message comprises one or more of the following messages:
a terminal calling positioning request MO-LR message;
LPP messages;
locating the event report message.
5. The positioning method of claim 1, wherein the method further comprises:
the terminal sends first information to the second AMF through the second access network;
the first information includes one or more of the following information:
A wireless access type of the first access network;
first indication information; the first indication information is used to indicate that the location related message is associated with a location request message received via a first access network.
6. A positioning method, comprising:
the second AMF acquires a positioning related message sent by the terminal through a second access network; the second access network is selected by the terminal according to information related to the access network.
7. The positioning method of claim 6, wherein the method further comprises:
the second AMF sends the positioning related message to a second LMF; the second LMF is a preset LMF.
8. The positioning method of claim 6, wherein the method further comprises:
the second AMF sends the positioning related message to the first LMF; the first LMF is an LMF that sends a location request message to the terminal.
9. The positioning method of claim 8, wherein the second AMF sending the positioning-related message to the first LMF comprises:
the second AMF sends the positioning related message to the first LMF through the first AMF; the first AMF is an AMF for providing services for the terminal through a first access network.
10. The positioning method of claim 9, wherein the method further comprises:
the second AMF acquires information of the first AMF from a storage function; or,
the second AMF determines the information of the first AMF according to the positioning related message.
11. The positioning method of claim 8, wherein the second AMF sending the positioning-related message to the first LMF comprises:
the second AMF sends the location related message to the first LMF via a NEF.
12. The positioning method of claim 8, wherein the second AMF sending the positioning-related message to the first LMF comprises:
the second AMF sends the location related message to the first LMF via a storage function.
13. A positioning method, comprising:
the storage function receives a positioning event information request message sent by the LMF;
the storage function sends a location event information reply message to the LMF.
14. The positioning method of claim 13, wherein the method further comprises:
the storage function receives a positioning event information deleting message sent by the LMF;
And the storage function updates or deletes the locally stored positioning event information according to the positioning event information deleting message.
15. The positioning method of claim 14, wherein the method further comprises:
the storage function determines that the positioning event report message received by the LMF is the last positioning event report; or alternatively, the first and second heat exchangers may be,
the storage function determines that the positioning event report request is canceled.
16. The positioning method of claim 13 wherein the positioning event information request message is sent after receiving a positioning event report message sent by an AMF.
17. The positioning method of claim 13, wherein the method further comprises:
the storage function receives a positioning event registration message.
18. A terminal comprising a memory, a transceiver, and a processor;
a memory for storing a computer program; a transceiver for transceiving data under control of the processor; a processor for reading the computer program in the memory and performing the following operations:
selecting a second access network according to the information related to the access network;
and sending a positioning-related message to a second access and management function AMF through the second access network.
19. The terminal of claim 18, wherein the processor is further configured to read the computer program in the memory and perform the following:
a location request message is received through a first access network.
20. The terminal of claim 18, wherein the access network related information comprises one or more of the following:
a wireless access type;
the connection state of the access network;
an operator policy;
load status of the access network.
21. The terminal of claim 18, wherein the location related message comprises one or more of the following messages:
a terminal calling positioning request MO-LR message;
LPP messages;
locating the event report message.
22. The terminal of claim 18, wherein the processor is further configured to read the computer program in the memory and perform the following:
sending first information to the second AMF through the second access network;
the first information includes one or more of the following information:
a wireless access type of the first access network;
first indication information; the first indication information is used to indicate that the location related message is associated with a location request message received via a first access network.
23. A second AMF comprising a memory, a transceiver, and a processor;
a memory for storing a computer program; a transceiver for transceiving data under control of the processor; a processor for reading the computer program in the memory and performing the following operations:
acquiring a positioning related message sent by a terminal through a second access network; the second access network is selected by the terminal according to information related to the access network.
24. The second AMF of claim 23, wherein said processor is further adapted to read a computer program in said memory and to perform the following operations:
sending the location related message to a second LMF; the second LMF is a preset LMF.
25. The second AMF of claim 23, wherein said processor is further adapted to read a computer program in said memory and to perform the following operations:
transmitting the location related message to a first LMF; the first LMF is an LMF that sends a location request message to the terminal.
26. The second AMF of claim 25, wherein said sending said location related message to the first LMF comprises:
Transmitting the location related message to the first LMF through a first AMF; the first AMF is an AMF for providing services for the terminal through a first access network.
27. The second AMF of claim 26, wherein said processor is further adapted to read a computer program in said memory and to perform the following operations:
acquiring information of the first AMF from a storage function; or,
and determining the information of the first AMF according to the positioning related message.
28. The second AMF of claim 25, wherein said sending said location related message to the first LMF comprises:
and sending the positioning related message to the first LMF through the NEF.
29. The second AMF of claim 25, wherein said sending said location related message to the first LMF comprises:
and sending the positioning related message to the first LMF through a storage function.
30. A memory function, comprising a memory, a transceiver, and a processor;
a memory for storing a computer program; a transceiver for transceiving data under control of the processor; a processor for reading the computer program in the memory and performing the following operations:
Receiving a positioning event information request message sent by an LMF;
and sending a positioning event information reply message to the LMF.
31. The storage function of claim 30, wherein the processor is further configured to read the computer program in the memory and perform the following:
receiving a positioning event information deleting message sent by the LMF;
and updating or deleting the locally stored positioning event information according to the positioning event information deleting message.
32. The memory function of claim 31, wherein the processor is further configured to read a computer program in the memory and perform the following:
determining the positioning event report message received by the LMF as a last positioning event report; or alternatively, the first and second heat exchangers may be,
it is determined that the positioning event report request is canceled.
33. The storage function of claim 30, wherein the positioning event information request message is sent after receiving a positioning event report message sent by an AMF.
34. The storage function of claim 30, wherein the processor is further configured to read the computer program in the memory and perform the following:
A positioning event registration message is received.
35. A positioning device, comprising:
a selection module, configured to select a second access network according to information related to an access network;
and the first sending module is used for sending a message related to the positioning to the second access and management function AMF through the second access network.
36. A positioning device, comprising:
the first acquisition module is used for acquiring a positioning related message sent by the terminal through the second access network; the second access network is selected by the terminal according to information related to the access network.
37. A positioning device, comprising:
the first receiving module is used for receiving a positioning event information request message sent by the LMF;
and the second sending module is used for sending a positioning event information reply message to the LMF.
38. A computer-readable storage medium, characterized in that the computer-readable storage medium stores a computer program for causing a computer to execute the positioning method according to any one of claims 1 to 17.
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