CN115379552B

CN115379552B - Information processing method, device and equipment

Info

Publication number: CN115379552B
Application number: CN202110534328.1A
Authority: CN
Inventors: 侯云静; 艾明
Original assignee: Datang Mobile Communications Equipment Co Ltd
Current assignee: Datang Mobile Communications Equipment Co Ltd
Priority date: 2021-05-17
Filing date: 2021-05-17
Publication date: 2024-11-26
Anticipated expiration: 2041-05-17
Also published as: CN115379552A

Abstract

The application provides an information processing method, device and equipment, wherein the information processing method comprises the following steps: acquiring a positioning message, wherein the positioning message is used for indicating to position a terminal according to a specific time carried in the positioning message; if the terminal moves, executing the operation of the position preparation stage or updating the positioning measurement information according to the current service cell of the terminal and the specific time under the condition that the current time is positioned before the specific time and/or the position preparation stage is not executed; wherein the specific time is used for characterizing the time related to acquiring the terminal position. The scheme can ensure that the UE can be accurately positioned after moving, thereby supporting the mobility of the UE in a mechanism of preset positioning time.

Description

Information processing method, device and equipment

Technical Field

The present application relates to the field of communications technologies, and in particular, to an information processing method, apparatus, and device.

Background

Currently, a third party or UE (terminal) can reserve a positioning time; but before the predetermined positioning time point arrives, the UE may move, in which case the prior art cannot complete accurate positioning. That is, in the mechanism of the predetermined positioning time, the UE mobility is not supported.

Disclosure of Invention

The application aims to provide an information processing method, an information processing device and information processing equipment, which are used for solving the problem that the mobility of UE is not supported in a mechanism of preset positioning time in the prior art.

In order to solve the above technical problem, an embodiment of the present application provides an information processing method, applied to a first location management function LMF, including:

acquiring a positioning message, wherein the positioning message is used for indicating to position a terminal according to a specific time carried in the positioning message;

if the terminal moves, executing the operation of the position preparation stage or updating the positioning measurement information according to the current service cell of the terminal and the specific time under the condition that the current time is positioned before the specific time and/or the position preparation stage is not executed;

wherein the specific time is used for characterizing the time related to acquiring the terminal position.

Optionally, the method further comprises:

If the first condition is met, the method comprises the steps of executing feedback of positioning failure notification information to an access and mobility management function (AMF); or acquiring the position of the terminal, and feeding back the position information and positioning failure notification information to an AMF;

Wherein the first condition includes any one of:

the operation of the position preparation stage is not completed when the specific time arrives;

updating the positioning measurement information when the specific time arrives, wherein the operation of updating the positioning measurement information is not completed;

the specific time is the time at which the position measurement is started, after or after the specific time arrives.

Optionally, after the movement of the terminal, before performing the operation of the position preparation phase, the method further comprises:

acquiring the position context information of the terminal from a second LMF;

wherein the location context information includes the specific time.

Optionally, the method further comprises:

If the specific time is the time for starting position measurement or the time for determining the position of the terminal, feeding back positioning failure notification information to the AMF when the current time is located after the specific time or the current time is the same as the specific time.

Optionally, the method further comprises:

And acquiring the position information of the terminal and feeding back the position information to the AMF.

Optionally, acquiring the location information of the terminal specifically includes:

acquiring the position context information of the terminal from a second LMF;

And acquiring the position information of the terminal according to the position context information.

The embodiment of the application also provides an information processing method which is applied to the access and mobility management function AMF and comprises the following steps:

receiving a positioning message, wherein the positioning message comprises specific time which is used for representing the time related to acquiring the position of a terminal;

If the terminal moves, sending a positioning message to a first Location Management Function (LMF) under the condition that the current time is located before the specific time, wherein the positioning message is used for indicating the first LMF to position the terminal according to the specific time carried in the positioning message.

Optionally, the sending the positioning message to the first LMF includes:

Receiving an LMF reselection notification sent by a first LMF or a second LMF, wherein the LMF reselection notification carries an identifier of the first LMF, the second LMF is an LMF which provides positioning service for a terminal before the terminal moves, and the first LMF is an LMF which provides positioning service for the terminal after the terminal moves;

and sending a positioning message to the first LMF according to the identification.

Optionally, the method further comprises:

Sending a positioning cancellation message to a second LMF, wherein the positioning cancellation message carries a positioning service LCS association identifier;

and receiving a confirmation positioning cancellation message sent by the second LMF.

Optionally, sending a positioning message to the first location management function LMF specifically includes:

Selecting a first LMF, and sending a first message to a second LMF, wherein the first message carries an LCS (LCS association) identifier and an identifier of the first LMF, and indicates the second LMF to send a positioning message related to the LCS association identifier to the first LMF according to the identifier of the first LMF;

the method further comprises the steps of:

And receiving a positioning confirmation message sent by the first LMF.

Optionally, the method further comprises:

receiving notification information of failure in positioning fed back by the first LMF;

Or alternatively

And receiving the position information of the terminal fed back by the first LMF and notifying that the specific time is not met.

If the terminal moves, if the current time is located after the specific time or the current time is the same as the specific time, the following operations are executed:

Sending a positioning cancellation message to the second LMF and returning a positioning failure message to the Gateway Mobile Location Center (GMLC);

Or alternatively

And sending a positioning message to a first LMF, sending a positioning cancellation message to a second LMF, and receiving the position information of the terminal fed back by the first LMF.

Optionally, the second LMF is an LMF that provides a location service for the terminal before the terminal moves, and the first LMF is an LMF that provides a location service for the terminal after the terminal moves.

Optionally, sending the positioning message to the first LMF specifically includes:

Sending the positioning message to a first LMF according to the cached positioning message; or alternatively

Selecting a first LMF, and sending a first message to a second LMF, wherein the first message carries an LCS (LCS association) identifier and an identifier of the first LMF, and indicates the second LMF to send a positioning message related to the LCS association identifier to the first LMF according to the identifier of the first LMF.

Optionally, before returning the location failure message to the gateway mobile location center GMLC, the method further comprises:

Receiving a confirmation positioning cancellation message fed back by the second LMF; or alternatively

And receiving notification information of the positioning failure fed back by the second LMF.

Optionally, receiving the location information of the terminal fed back by the first LMF specifically includes:

And receiving the position information of the terminal fed back by the first LMF and information for notifying that the specific time is not met.

The embodiment of the application also provides an information processing method which is applied to the second location management function LMF and comprises the following steps:

if the terminal moves, determining a first LMF;

and sending the position context information of the terminal to the first LMF, wherein the position context information of the terminal comprises specific time, so that the first LMF positions the terminal according to the specific time.

Optionally, determining the first LMF specifically includes:

receiving a first message sent by an AMF, wherein the first message carries the identification of a serving cell and/or a first LMF of a terminal;

And determining the first LMF according to the identification of the serving cell and/or the first LMF of the terminal.

Optionally, the method further comprises:

Receiving a positioning cancellation message sent by an AMF;

and deleting the related resources according to the positioning cancellation message.

Optionally, the method further comprises:

and sending an LMF reselection notification to the AMF, wherein the LMF reselection notification comprises an identifier of the first LMF determined according to a terminal service cell.

The embodiment of the application also provides information processing equipment which is applied to the first location management function LMF and comprises 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:

Optionally, the operations further include:

If the first condition is met, the method comprises the steps of executing feedback of positioning failure notification information to an access and mobility management function (AMF) through the transceiver; or acquiring the position of the terminal, and feeding back the position information and positioning failure notification information to an AMF through the transceiver;

Wherein the first condition includes any one of:

Optionally, the operations further include:

Acquiring position context information of the terminal from a second LMF before performing an operation of a position preparation stage after the terminal moves;

wherein the location context information includes the specific time.

Optionally, the operations further include:

if the specific time is the time for starting position measurement or the time for determining the position of the terminal, feeding back positioning failure notification information to the AMF through the transceiver when the current time is located after the specific time or the current time is the same as the specific time.

Optionally, the operations further include:

and acquiring the position information of the terminal, and feeding back the position information to an AMF through the transceiver.

acquiring the position context information of the terminal from a second LMF;

The embodiment of the application also provides information processing equipment which is applied to the access and mobility management function AMF and comprises a memory, a transceiver and a processor:

receiving a positioning message through the transceiver, wherein the positioning message comprises specific time which is used for representing time related to acquiring the position of the terminal;

if the terminal moves, sending a positioning message to a first Location Management Function (LMF) through the transceiver under the condition that the current time is located before the specific time, wherein the positioning message is used for indicating the first LMF to position the terminal according to the specific time carried in the positioning message.

Optionally, the sending the positioning message to the first LMF includes:

Optionally, the operations further include:

transmitting a positioning cancellation message to a second LMF through the transceiver, wherein the positioning cancellation message carries a positioning service LCS association identifier;

and receiving a confirmation positioning cancellation message sent by the second LMF through the transceiver.

The operations further comprise:

And receiving a positioning confirmation message sent by the first LMF through the transceiver.

Optionally, the operations further include:

Receiving notification information of positioning failure fed back by the first LMF through the transceiver;

Or alternatively

And receiving the position information of the terminal fed back by the first LMF and the information for notifying that the specific time is not met through the transceiver.

Sending a location cancel message to the second LMF via the transceiver and returning a location failure message to the gateway mobile location center GMLC;

Or alternatively

And sending a positioning message to a first LMF through the transceiver, sending a positioning cancellation message to a second LMF, and receiving the position information of the terminal fed back by the first LMF.

Optionally, the operations further include:

Receiving, by the transceiver, a confirmed location cancel message fed back by the second LMF before returning a location failure message to the gateway mobile location center GMLC; or alternatively

And before returning a positioning failure message to the Gateway Mobile Location Center (GMLC), receiving notification information of positioning failure fed back by the second LMF through the transceiver.

The embodiment of the application also provides information processing equipment which is applied to the second location management function LMF, and comprises a memory, a transceiver and a processor:

if the terminal moves, determining a first LMF;

And sending the position context information of the terminal to the first LMF through the transceiver, wherein the position context information of the terminal comprises specific time, so that the first LMF locates the terminal according to the specific time.

Optionally, determining the first LMF specifically includes:

receiving a first message sent by an AMF through the transceiver, wherein the first message carries an identifier of a serving cell and/or a first LMF of a terminal;

Optionally, the operations further include:

receiving a positioning cancellation message sent by the AMF through the transceiver;

Optionally, the operations further include:

and sending an LMF reselection notification to the AMF through the transceiver, wherein the LMF reselection notification comprises an identifier of the first LMF determined according to a terminal service cell.

The embodiment of the application also provides an information processing device, which is applied to a first Location Management Function (LMF), and comprises:

The first acquisition unit is used for acquiring a positioning message, wherein the positioning message is used for indicating the terminal to be positioned according to the specific time carried in the positioning message;

The first execution unit is used for executing the operation of the position preparation stage or updating the positioning measurement information according to the current service cell of the terminal and the specific time if the terminal moves and the current time is before the specific time and/or the position preparation stage is not executed;

Optionally, the apparatus further includes:

the second execution unit is used for executing feedback of the positioning failure notification information to the access and mobility management function AMF if the first condition is met; or acquiring the position of the terminal, and feeding back the position information and positioning failure notification information to an AMF;

Wherein the first condition includes any one of:

Optionally, the apparatus further includes:

a second obtaining unit, configured to obtain, after the terminal moves, location context information of the terminal from a second LMF before performing an operation of a location preparation stage;

wherein the location context information includes the specific time.

Optionally, the apparatus further includes:

And the first feedback unit is used for feeding back positioning failure notification information to the AMF if the specific time is the time for starting position measurement or the time for determining the position of the terminal, and the current time is after the specific time or the current time is the same as the specific time.

Optionally, the apparatus further includes:

And the first processing unit is used for acquiring the position information of the terminal and feeding back the position information to the AMF.

acquiring the position context information of the terminal from a second LMF;

The embodiment of the application also provides an information processing device which is applied to the access and mobility management function AMF and comprises:

A first receiving unit, configured to receive a positioning message, where the positioning message includes a specific time, and the specific time is used to characterize a time related to acquiring a terminal position;

The first sending unit is configured to send a positioning message to a first location management function LMF if the terminal moves, where the current time is located before the specific time, and the positioning message is used to instruct the first LMF to position the terminal according to the specific time carried in the positioning message.

Optionally, the sending the positioning message to the first LMF includes:

Optionally, the apparatus further includes:

a second sending unit, configured to send a positioning cancellation message to a second LMF, where the positioning cancellation message carries a positioning service LCS association identifier;

And the second receiving unit is used for receiving the confirmed positioning cancellation message sent by the second LMF.

The apparatus further comprises:

And the third receiving unit is used for receiving the positioning confirmation message sent by the first LMF.

Optionally, the apparatus further includes:

A fourth receiving unit, configured to receive notification information of positioning failure fed back by the first LMF;

Or alternatively

a fifth receiving unit, configured to receive a positioning message, where the positioning message includes a specific time, and the specific time is used to characterize a time related to acquiring a terminal position;

And the third execution unit is used for executing the following operations if the terminal moves and the current time is located after the specific time or the current time is the same as the specific time:

Or alternatively

Optionally, the apparatus further includes:

a sixth receiving unit, configured to receive a confirm positioning cancellation message fed back by the second LMF before returning a positioning failure message to the gateway mobile location center GMLC; or alternatively

And before returning a positioning failure message to the Gateway Mobile Location Center (GMLC), receiving notification information of positioning failure fed back by the second LMF.

The embodiment of the application also provides an information processing device, which is applied to a second Location Management Function (LMF), and comprises:

a seventh receiving unit, configured to receive a positioning message, where the positioning message includes a specific time, and the specific time is used to characterize a time related to acquiring a terminal position;

The first determining unit is used for determining a first LMF if the terminal moves;

And the third sending unit is used for sending the position context information of the terminal to the first LMF, wherein the position context information of the terminal comprises specific time so that the first LMF can position the terminal according to the specific time.

Optionally, determining the first LMF specifically includes:

Optionally, the apparatus further includes:

an eighth receiving unit, configured to receive a positioning cancellation message sent by the AMF;

And the second processing unit is used for deleting related resources according to the positioning cancellation message.

Optionally, the apparatus further includes:

And the fourth sending unit is used for sending an LMF reselection notification to the AMF, wherein the LMF reselection notification comprises the identification of the first LMF determined according to the terminal service cell.

The embodiment of the application also provides a processor readable storage medium, which stores a computer program for causing the processor to execute the information processing method on the first LMF side; or alternatively

The computer program is used for enabling the processor to execute the information processing method of the AMF side; or alternatively

The computer program is configured to cause the processor to execute the above-described information processing method on the second LMF side.

The technical scheme of the application has the following beneficial effects:

In the above scheme, the information processing method obtains the positioning message, where the positioning message is used to instruct to position the terminal according to the specific time carried in the positioning message; if the terminal moves, executing the operation of the position preparation stage or updating the positioning measurement information according to the current service cell of the terminal and the specific time under the condition that the current time is positioned before the specific time and/or the position preparation stage is not executed; wherein the specific time is used for representing the time related to acquiring the position of the terminal; the method can ensure that the UE can be accurately positioned after moving, thereby supporting the mobility of the UE in a mechanism of preset positioning time.

Drawings

Fig. 1 is a schematic diagram of a wireless communication system architecture according to an embodiment of the present application;

FIG. 2 is a schematic diagram of an architecture supporting location services according to an embodiment of the present application;

FIG. 3 is a schematic diagram of a positioning process according to an embodiment of the present application;

FIG. 4 is a flowchart illustrating a method of information processing according to an embodiment of the present application;

FIG. 5 is a second flowchart of an information processing method according to an embodiment of the present application;

FIG. 6 is a flowchart of a third embodiment of an information processing method according to the present application;

FIG. 7 is a flowchart of a method for processing information according to an embodiment of the present application;

FIG. 8 is a flowchart showing an embodiment of an information processing method according to the present application;

Fig. 9 is a schematic diagram of a UE moving to change AMF but not LMF according to an embodiment of the present application;

FIG. 10 is a second flowchart of an embodiment of an information processing method according to the present application;

FIG. 11 is a flowchart illustrating a specific implementation of an information processing method according to an embodiment of the present application;

FIG. 12 is a flowchart showing an implementation of an information processing method according to an embodiment of the present application;

FIG. 13 is a flowchart showing an implementation of an information processing method according to an embodiment of the present application;

FIG. 14 is a schematic diagram of an information processing apparatus according to an embodiment of the present application;

FIG. 15 is a schematic diagram of a second embodiment of an information processing apparatus;

fig. 16 is a schematic diagram of an information processing apparatus according to an embodiment of the present application;

fig. 17 is a schematic diagram of an information processing apparatus according to an embodiment of the present application;

FIG. 18 is a schematic diagram of an information processing apparatus according to an embodiment of the present application;

FIG. 19 is a schematic diagram of a second embodiment of an information processing apparatus;

FIG. 20 is a third schematic diagram of an information processing apparatus according to an embodiment of the present application;

fig. 21 is a schematic diagram of an information processing apparatus according to an embodiment of the present application.

Detailed Description

The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments, but not all embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

In the embodiment of the application, the term "and/or" describes the association relation of the association objects, which means that three relations can exist, for example, a and/or B can be expressed as follows: 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 embodiments of the present application means two or more, and other adjectives are similar.

The technical scheme provided by the embodiment of the application can be applied to various systems, especially a 5G system. For example, applicable 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) systems, and the like. Terminals 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.

Fig. 1 shows a block diagram of a wireless communication system to which an embodiment of the present application is applicable. The wireless communication system includes a terminal and a network device.

The terminal according to the embodiment of the application can be a device for providing voice and/or data connectivity for a user, a handheld device with a wireless connection function, or other processing devices connected to a wireless modem, etc. The names of terminals may also be different in different systems, for example in a 5G system, a terminal may be referred to as User Equipment (UE). The wireless terminal may communicate with one or more Core Networks (CNs) via a radio access Network (Radio Access Network, RAN), which may be mobile terminals, such as mobile phones (or "cellular" phones) and computers with mobile terminals, 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, PDA) and the like. A wireless terminal 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 device (user equipment), and 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 the 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 terminals, or other names, depending on the particular application. The network device may be configured to exchange received air frames with internet protocol (Internet Protocol, IP) packets as a router between the wireless terminal 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 embodiment 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), etc., which are not limited in the embodiment of the present application. In some network structures, the network devices may include centralized unit (centralized unit, CU) nodes and Distributed Unit (DU) nodes, which may also be geographically separated.

Multiple-input Multiple-output (Multi Input Multi Output, MIMO) transmissions may each be made between the network device and the terminal 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.

The following first describes what the scheme provided by the embodiment of the present application relates to.

Architecture supporting location services.

The architecture supporting location services can be specifically shown in fig. 2, where the main network functions are described as follows:

GMLC (Gateway Mobile Location Centre, gateway mobile location center): and receiving a positioning request of the LCS client of the positioning service, triggering a positioning process, and returning the position of the terminal UE to the LCS client.

UDM (Unified DATA MANAGEMENT ): information of the UE, such as subscription information, information of the established protocol data unit PDU session is stored.

AMF (ACCESS AND Mobility Management Function, access and mobility management functions): access authentication and tracking of UE location.

LMF (Location Management Function ): the location of the UE is acquired.

In addition, the figure also relates to a radio access network RAN, CHF (Charging Function ) is responsible for charging, LRF (Location Retrieval Funtion, location retrieval function) is responsible for receiving and verifying location information, LCS CLIENT (LCS client), NEF (Network Exposure Function, network opening function), NEF is responsible for opening positioning function to application functions outside the network; where N1, N2, NL1, N8, N51, N52, NL6, NL2, NL5, NL4, le, and N33 represent interfaces between the corresponding entities, respectively.

And (II) a predetermined positioning time.

The LCS (Location Service) client, the AF (Application Function) or the UE may define a future point in time, where the specific time is used to characterize the time associated with acquiring the Location of the terminal, which may be understood as the time point at which the network starts to measure the Location of the UE, which may be understood as the time point at which the network determines the Location of the UE, and which may include other understandings, as long as the Location of the terminal is at a certain time point, which is not specifically limited herein. However, due to factors such as network delay, the measured position and the calculated position may be different, which means that the understanding of the predetermined positioning time is different, and the network may be different when performing the relevant positioning operation, which is also a factor considered by the present application. For example, requesting the network to obtain the current location of the UE at that point in time, or the network starting a positioning measurement at that point in time, or the network obtaining the UE location at that point in time, etc. This particular time may also be referred to as a predetermined positioning time (scheduled location time). When a predetermined positioning time (scheduled location time) is used, the positioning procedure may be divided into 2 phases, as shown in fig. 3 (NG-RAN in the figure represents a 5G radio access network). Wherein:

The start time of the location preparation phase is the LCS client, the AF or the UE sends a location request to obtain the current location of the UE, the request comprising a predetermined location time T. In the location preparation phase, the 5G core network (5 GCN (s)), the RAN and/or the UE interacts adjacent to a time T to decide on a suitable positioning method and to schedule location measurements, the location preparation phase ending just before the time T.

The location execution phase starts at or near time T, and the operation of this phase start is to obtain from the RAN or UE the information it measured in the preparation phase. After the location measurement information is acquired, the location execution phase includes determining the UE location (e.g., by the UE in a UE-based positioning method, by the LMF in a UE-assisted or network-based positioning method) and transmitting the UE location to the LCS client, AF or UE.

Either the location preparation phase starts at or near time T, after which the LMF performs the location execution phase.

And (III) supporting a calling position request process for a predetermined positioning time.

The calling location request (MO-LR, mobile Originated Location Request) procedure refers to a UE-initiated location request procedure by which the UE acquires its location or positioning assistance data or requests the network to send its location to the client or AF (Application Function ).

When the UE sends a positioning request, the UE carries a predetermined positioning time in the positioning request, the AMF sends the positioning request to the LMF, and the LMF completes some positioning preparation work before the predetermined positioning time, for example, selects a positioning method, and configures parameters required by the positioning method, for example, measurement configuration information, positioning parameters, and the like, at the UE and/or the RAN according to the positioning method. The LMF starts to execute the positioning process at the preset positioning time, and returns the position to the UE through the AMF after acquiring the position of the UE.

Based on the above, the embodiments of the present application provide an information processing method, apparatus, and device, so as to solve the problem in the prior art that the mobility of the UE is not supported in the mechanism of the predetermined positioning time.

The method, the device and the equipment are based on the same application conception, and because the principle of solving the problems by the method, the device and the equipment is similar, the implementation of the method, the device and the equipment can be mutually referred, and the repeated parts are not repeated.

The information processing method provided by the embodiment of the application is applied to a first Location Management Function (LMF), as shown in fig. 4, and comprises the following steps:

step 41: and acquiring a positioning message, wherein the positioning message is used for indicating the terminal to be positioned according to the specific time carried in the positioning message.

The positioning message may be sent by the AMF or by the source LMF caused by the movement of the terminal. The location message may be generated by a terminal or a third party application, and the body of the location message is not particularly limited.

Step 42: if the terminal moves, if the current time is located before the specific time and/or the position preparation stage is not executed, executing the operation of the position preparation stage or updating the positioning measurement information according to the current service cell of the terminal and the specific time.

Wherein, due to the movement of the terminal, the execution of the positioning message may occur in the following four scenarios: in the first scenario, the terminal moves to cause the AMF to be unchanged, so that the LMF for providing the positioning service for the terminal is unchanged; in the second scenario, the terminal moves to cause AMF to change, so that the LMF for providing positioning service for the terminal is unchanged; in a third scenario, the terminal moves to cause the AMF to be unchanged, so as to provide the LMF of the positioning service for the terminal; in a fourth scenario, the terminal movement causes an AMF change, an LMF change that provides location services for the terminal.

Here, the movement of the terminal may be understood as a change in the serving cell to which the terminal accesses. The corresponding execution body first LMF of fig. 4 may correspond to an LMF in the case where the LMF is unchanged, or may correspond to a target LMF in the case where the LMF is changed.

The information processing method provided by the embodiment of the application is characterized in that positioning information is obtained, and the positioning information is used for indicating the terminal to be positioned according to the specific time carried in the positioning information; if the terminal moves, executing the operation of the position preparation stage or updating the positioning measurement information according to the current service cell of the terminal and the specific time under the condition that the current time is positioned before the specific time and/or the position preparation stage is not executed; wherein the specific time is used for representing the time related to acquiring the position of the terminal; the method can ensure that the UE can be accurately positioned after moving, thereby supporting the mobility of the UE in a mechanism of preset positioning time.

Further, the method further comprises: if the first condition is met, the method comprises the steps of executing feedback of positioning failure notification information to an access and mobility management function (AMF); or acquiring the position of the terminal, and feeding back the position information and positioning failure notification information to an AMF; wherein the first condition includes any one of: the operation of the position preparation stage is not completed when the specific time arrives; updating the positioning measurement information when the specific time arrives, wherein the operation of updating the positioning measurement information is not completed; the specific time is the time at which the position measurement is started, after or after the specific time arrives.

Therefore, the positioning failure notification information can be fed back in time after overtime (namely exceeding a specific time), so that the subsequent positioning operation is ensured, and the positioning precision of the terminal under the condition of meeting the mobility of the terminal is improved.

In the embodiment of the present application, after the terminal moves, before the operation of the position preparation stage is performed, the method further includes: acquiring the position context information of the terminal from a second LMF; wherein the location context information includes the specific time.

The location context information also carries equipment information of the AMF, terminal location and location request related information.

If the terminal moves to cause the change of the LMF, the target LMF needs to acquire location context information of the terminal from the source LMF after the terminal moves. The mode of the target LMF to obtain the location context information of the terminal may be that the source LMF actively sends the location context information to the target LMF, or that the target LMF requests to obtain the location context information from the source LMF.

In the embodiment of the application, the method further comprises the following steps: if the specific time is the time for starting position measurement or the time for determining the position of the terminal, feeding back positioning failure notification information to the AMF when the current time is located after the specific time or the current time is the same as the specific time.

This may inform the AMF of a positioning failure for a particular time.

In the embodiment of the application, the method further comprises the following steps: when the first LMF determines that the current time is located after the specific time or the current time is the same as the specific time, it means that the current time cannot complete the pre-positioning operation according to the specific time requirement, at this time, the first LMF may acquire location information of the terminal (where the location information may be understood as the current location information) and feed back the location information to the AMF.

The obtaining the location information of the terminal may specifically include: acquiring the position context information of the terminal from a second LMF; and acquiring the position information of the terminal according to the position context information. Thus, the terminal position can be accurately acquired. The method for acquiring the position context information of the terminal is the same as or similar to the method for acquiring the position context information of the terminal by the target LMF described above, and the specific implementation is not repeated.

In the embodiment of the present application, feeding back the location information to the AMF may specifically include: and if the specific time is the time for starting position measurement, feeding back the position information and the information for notifying that the specific time is not met to the AMF. This may further inform the AMF that the transmitted location information was acquired at a time other than the specific time.

Aiming at the situation that the terminal moves and the current time is before the specific time, the embodiment of the application also provides an information processing method which is applied to an access and mobility management function AMF, as shown in figure 5, and comprises the following steps:

step 51: and receiving a positioning message, wherein the positioning message comprises specific time which is used for representing the time related to acquiring the position of the terminal.

The receiving positioning message may be sent by the terminal or by a third party application, and the sending subject is not limited herein. The AMF may buffer the location message after receiving the location message.

Step 52: if the terminal moves, sending a positioning message to a first Location Management Function (LMF) under the condition that the current time is located before the specific time, wherein the positioning message is used for indicating the first LMF to position the terminal according to the specific time carried in the positioning message.

The information processing method provided by the embodiment of the application is characterized in that a positioning message is received, wherein the positioning message contains specific time, and the specific time is used for representing time related to acquiring the position of a terminal; if the terminal moves, sending a positioning message to a first Location Management Function (LMF) under the condition that the current time is located before the specific time, wherein the positioning message is used for indicating the first LMF to position the terminal according to the specific time carried in the positioning message; the method can ensure that the UE can be accurately positioned after moving, thereby supporting the mobility of the UE in a mechanism of preset positioning time.

If the terminal moves to cause the LMF to change, the target LMF may be determined by the source LMF or the AMF after the terminal moves.

If the terminal moves to cause the change of the LMF, and the target LMF is determined by the source LMF, in the embodiment of the present application, the sending a positioning message to the first LMF includes: receiving an LMF reselection notification sent by a first LMF or a second LMF, wherein the LMF reselection notification carries an identifier of the first LMF, the second LMF is an LMF which provides positioning service for a terminal before the terminal moves, and the first LMF is an LMF which provides positioning service for the terminal after the terminal moves; and sending a positioning message to the first LMF according to the identification. This enables accurate delivery of the location message.

Further, the method further comprises: sending a positioning cancellation message to a second LMF, wherein the positioning cancellation message carries a positioning service LCS association identifier; and receiving a confirmation positioning cancellation message sent by the second LMF. This can avoid unnecessary positioning operations.

If the terminal moves to cause the change of the LMF, and the target LMF is determined by the AMF, in the embodiment of the present application, the sending a positioning message to the first location management function LMF specifically includes: selecting a first LMF, and sending a first message to a second LMF, wherein the first message carries an LCS (LCS association) identifier and an identifier of the first LMF, and indicates the second LMF to send a positioning message related to the LCS association identifier to the first LMF according to the identifier of the first LMF; the method further comprises the steps of: and receiving a positioning confirmation message sent by the first LMF. Thus, the normal operation of positioning after the LMF is changed due to the movement of the terminal can be ensured.

In the embodiment of the application, the method further comprises the following steps: receiving notification information of failure in positioning fed back by the first LMF; or receiving the position information of the terminal fed back by the first LMF and notifying that the specific time is not met. Thus, the normal operation of the terminal after the movement can be ensured.

For the case that the terminal moves and the current time is located after or the same as the specific time, the embodiment of the application further provides an information processing method, which is applied to an access and mobility management function AMF, as shown in fig. 6, and includes:

Step 61: and receiving a positioning message, wherein the positioning message comprises specific time which is used for representing the time related to acquiring the position of the terminal.

Step 62: if the terminal moves, if the current time is located after the specific time or the current time is the same as the specific time, the following operations are executed:

62-1) sends a location cancel message to the second LMF and returns a location failure message to the gateway mobile location center GMLC.

Further, before the AMF returns a location failure message to the gateway mobile location center GMLC, the method further comprises: receiving a confirmation positioning cancellation message fed back by the second LMF; or receiving notification information of positioning failure fed back by the second LMF.

Or 62-2) sending a location message to a first LMF and a location cancel message to a second LMF, and receiving location information of the terminal fed back by the first LMF.

In the embodiment of the application, the second LMF is an LMF that provides a location service for the terminal before the terminal moves, and the first LMF is an LMF that provides a location service for the terminal after the terminal moves.

If the terminal moves to cause the change of the LMF, and the target LMF is determined by the source LMF, in the embodiment of the present application, the sending a positioning message to the first LMF specifically includes: and sending the positioning message to the first LMF according to the cached positioning message. The first LMF may be determined with reference to the LMF reselection notification, and then the positioning message is sent to the determined first LMF according to the cached positioning message; the first LMF may also be selected by itself and the location message may be sent to the selected first LMF according to the cached location message.

Or in the embodiment of the application, the sending of the positioning message to the first LMF specifically includes: the AMF selects a first LMF and sends a first message to a second LMF, wherein the first message carries an LCS (LCS association) identifier and an identifier of the first LMF, and instructs the second LMF to send a positioning message related to the LCS association identifier to the first LMF according to the identifier of the first LMF.

The first message may be a location request message, which is used to instruct the second LMF to forward the received location message to the first LMF.

In the embodiment of the present application, receiving the location information of the terminal fed back by the first LMF specifically includes: and receiving the position information of the terminal fed back by the first LMF and information for notifying that the specific time is not met.

In this way, it is known that the terminal position transmitted by the first LMF is acquired at a time other than the specific time.

The information processing method provided by the embodiment of the application is characterized in that a positioning message is received, wherein the positioning message contains specific time, and the specific time is used for representing time related to acquiring the position of a terminal; if the terminal moves, if the current time is located after the specific time or the current time is the same as the specific time, the following operations are executed: sending a positioning cancellation message to the second LMF and returning a positioning failure message to the Gateway Mobile Location Center (GMLC); or sending a positioning message to a first LMF, sending a positioning cancellation message to a second LMF, and receiving the position information of the terminal fed back by the first LMF; the method can ensure that the UE can be accurately positioned after moving, thereby supporting the mobility of the UE in a mechanism of preset positioning time.

The embodiment of the application also provides an information processing method applied to the second Location Management Function (LMF), as shown in FIG. 7, comprising the following steps:

step 71: and receiving a positioning message, wherein the positioning message comprises specific time which is used for representing the time related to acquiring the position of the terminal.

Step 72: if the terminal moves, determining a first LMF;

Step 73: and sending the position context information of the terminal to the first LMF, wherein the position context information of the terminal comprises specific time, so that the first LMF positions the terminal according to the specific time.

The second LMF is an LMF for providing a positioning service for the terminal before the terminal moves, and the first LMF is an LMF for providing a positioning service for the terminal after the terminal moves.

The information processing method provided by the embodiment of the application is characterized in that a positioning message is received, wherein the positioning message contains specific time, and the specific time is used for representing time related to acquiring the position of a terminal; if the terminal moves, determining a first LMF; transmitting position context information of a terminal to the first LMF, wherein the position context information of the terminal comprises specific time so that the first LMF locates the terminal according to the specific time; the method can ensure that the UE can be accurately positioned after moving, thereby supporting the mobility of the UE in a mechanism of preset positioning time.

In the embodiment of the present application, determining the first LMF specifically includes: receiving a first message sent by an AMF, wherein the first message carries the identification of a serving cell and/or a first LMF of a terminal; and determining the first LMF according to the identification of the serving cell and/or the first LMF of the terminal.

When the terminal moves, the AMF may determine the target LMF (i.e., the first LMF), and after receiving the first message sent by the AMF, the source LMF may accurately determine the first LMF, i.e., the target LMF.

Further, the method further comprises: receiving a positioning cancellation message sent by an AMF; and deleting the related resources according to the positioning cancellation message. This avoids unnecessary space occupation of resources.

Wherein the related resources comprise location context information related to a location service LCS associated identity, measurement information of the terminal, etc.

When the terminal moves, the source LMF (i.e. the second LMF) may determine an LMF after the handover caused by the movement, and in an embodiment of the application, the method further includes: and the second LMF sends an LMF reselection notification to the AMF, wherein the LMF reselection notification comprises an identifier of the first LMF determined according to a terminal service cell.

This ensures that the AMF accurately determines the first LMF, i.e., the target LMF.

In summary, the movement of the terminal may cause the AMF to change or not change, and the LMF to change or not change, however, the operation of determining whether the terminal moves and determining whether the current time exceeds the specific time may be performed by the AMF before or after the change, or may be performed by the LMF before or after the change, which is not specifically limited in the embodiments of the application. The changes of the interaction flow possibly caused by different execution modes of different main bodies are all within the protection scope of the application.

The information processing method provided in the embodiment of the present application is illustrated below, where the specific time is referred to as a predetermined positioning time, and the positioning message may be a positioning related message such as a positioning request message, a positioning request reply message, or the like.

In view of the above technical problems, an embodiment of the present application provides an information processing method, which may be implemented as a mobility support method for positioning at a predetermined time; in particular, it may relate to: after the AMF receives the location request, the AMF locally stores the predetermined location time, possibly other information of the location request, such as other parameters in a message, and then sends the location request to the LMF. The predetermined positioning time may also be stored in the LMF, not limited herein.

Wherein, UE movement may cause changes in the accessed AMF, LMF; specifically, the following 4 cases can be distinguished. The behaviour of AMF and LMF is different in different cases:

1. AMF is unchanged, LMF is unchanged:

1) The AMF or LMF determines that if the predetermined positioning time is not reached, i.e. the current time is located before the specific time. Then, the steps are performed:

a) If the LMF has already performed the completion location preparation phase, the LMF determines, based on the location of the UE (i.e., the serving cell identity of the primary RAN node, the serving cell identity of the secondary RAN node, etc., which may be provided by the AMF or obtained from the RAN or UE), whether the location preparation phase needs to be re-performed or whether the configuration (corresponding to the above-mentioned positioning measurement information) needs to be updated, etc. For example, selecting a new positioning method, updating positioning measurement configuration information, etc. In this scenario, if the time exceeds the predetermined positioning time during the LMF update configuration or re-execution of the location preparation phase, the LMF's behavior is seen in the context of the a operation described below.

B) If the LMF does not perform the location preparation phase, the LMF locally stores location information of the UE, which is location information provided by the AMF, the UE or the RAN, such as an identity of a serving cell, a serving cell identity of a primary cell of a primary RAN node and a serving cell identity of a primary cell of a secondary RAN node in a dual connectivity scenario, and triggers the location preparation phase at an appropriate time (e.g., a predetermined positioning time).

2) If the predetermined positioning time has arrived (corresponding to the current time being after the specific time or the current time being the same as the specific time), indicating that the LMF has now triggered a location execution phase, this phase may fail or obtain a less accurate UE location due to UE movement (e.g., UE movement results in unreasonable or invalid configuration of the LMF in the location preparation phase), in which scenario the LMF's behavior is seen in the context of the following a operation.

2. AMF changes, LMF does not change:

1) The source AMF sends the UE context (which can correspond to the position context information and comprises information such as location service (LCS) association identification, LMF identification, preset positioning time and the like) to the target AMF;

2) Informing the LMF of the information of the target AMF: a source AMF notification or a target AMF notification.

Optionally, before the source or target AMF notifies, it is determined whether the current time has exceeded the predetermined positioning time, if not exceeded (may correspond to the current time being located before the specific time), the location of the UE (e.g. the identity of the serving cell, the identity of the serving cell of the primary RAN node and the identity of the serving cell of the primary cell of the secondary RAN node in the dual connectivity scenario) needs to be notified to the LMF, and if overtime (corresponds to the current time being located after the specific time or the current time being the same as the specific time), the location need not be notified to the LMF.

3) The behavior of the LMF is the same as that in 1.

3. AMF is unchanged, LMF is changed (target LMF corresponds to the first LMF, source LMF corresponds to the second LMF):

1) When the UE movement causes the LMF to change, if the AMF determines that the predetermined positioning time is not reached (which may correspond to the current time being before the specific time), the AMF may perform one of the following operations:

a) If the AMF caches the information of the positioning request, the AMF sends the positioning request (corresponding to the positioning request message) to the target LMF, and the target LMF triggers a position preparation stage; a cancel location request (corresponding to the location cancel message, which may also be referred to as a location request cancel message) is sent to the source LMF, where the request includes the LCS association ID, and the source LMF deletes the location request context.

B) The AMF selects the target LMF and sends a first request message (corresponding to the first message) to the source LMF, the message including the LCS association ID, the UE location and information of the target LMF (e.g. an identity or IP address, corresponding to the identity of the first LMF).

The source LMF sends information of the AMF (such as an identity of the AMF, an IP address), the UE location and all information related to the location request to the target LMF (corresponding to the above-mentioned sending of the location message related to the LCS associated identity to the first LMF, which may also be understood as sending a location context transfer request to the first LMF according to the first request message).

The target LMF returns acknowledgement messages to the source LMF and AMF, respectively (which may be implemented as feeding back a location context transfer acknowledgement message to the second LMF according to the location context transfer request; feeding back a first request acknowledgement message to the AMF).

The target LMF determines from the received information whether the source LMF has performed a location preparation phase (if the information includes information for location preparation phase configuration, such as selected location algorithm, measurement configuration information sent to the UE or RAN, location algorithm configuration parameters, etc., indicating that the LMF has performed the location preparation phase), and if not, the target LMF performs the location preparation phase. If so, the target LMF determines, based on the location of the UE, whether a location preparation phase needs to be re-performed or whether a configuration needs to be updated, e.g., selecting a new positioning method, updating positioning measurement configuration information, etc. The target LMF performs the correlation operation, if necessary. In this scenario, if the time exceeds the predetermined positioning time during the LMF update configuration or re-execution of the location preparation phase, the LMF's behavior is seen in the context of the a operation described below.

C) The source LMF decides to select the target LMF according to the UE location, and the LMF (source LMF) transmits the location context of the UE to the target LMF (corresponding to the determination of the first LMF; the sending of the location context information of the terminal to the first LMF may be implemented by determining the first LMF according to the location of the terminal and sending a location context transfer request to the first LMF), and the target LMF determines, according to the received information, whether the source LMF has performed the location preparation phase, and if not, the target LMF performs the location preparation phase. If so, the target LMF determines, based on the location of the UE, whether a location preparation phase needs to be re-performed or whether a configuration needs to be updated, e.g., selecting a new positioning method, updating positioning measurement configuration information, etc. The target LMF performs the correlation operation, if necessary. In this scenario, if the time exceeds the predetermined positioning time during the LMF update configuration or re-execution of the location preparation phase, the LMF's behavior is seen in the context of the a operation described below. The source LMF or the target LMF sends the identifier of the target LMF to the AMF (corresponding to the sending of the LMF reselection notification to the AMF, where the LMF reselection notification carries the identifier of the first LMF).

2) If the predetermined positioning time has arrived (which may correspond to the current time being after the specific time or the current time being the same as the specific time), it is stated that the LMF has now triggered a location execution phase which may fail or obtain a less accurate UE location due to UE movement (e.g., UE movement results in unreasonable or invalid configuration of the LMF in the location preparation phase).

In this scenario, according to the fact that the network elements for which the predetermined positioning time has arrived are different, the specific process is different:

a) The AMF judges that the preset positioning time is up, and the feasible method is as follows:

The amf sends a request to the LMF (source) to cancel the location (corresponding to the location cancel message described above) and then returns a location failure (corresponding to the location failure message described above) to the GMLC.

The AMF sends a location request (which may be information locally cached by the AMF or information of a location request acquired by the AMF from the source LMF) to the target LMF, sends a cancel location request (corresponding to the above-described sending of a location message (which may also be referred to as a location request message) to the first LMF, and sends a location cancel message (which may also be referred to as a location request cancellation message) to the second LMF). The source LMF releases the context and cancels the positioning process. The target LMF locates the UE and returns the UE position to the AMF (corresponding to acquiring the position information of the terminal and feeding back the position information to the AMF; the method can be realized in such a way that the position information of the terminal is acquired according to the positioning request message, and a positioning request reply message is fed back to the AMF according to the position information), and the AMF returns the position reply to the GMLC, wherein the message comprises the information that the position of the UE and the preset positioning time are not satisfied.

If there are multiple predetermined location times, the AMF sends a location request (either the information locally cached by the AMF or the information of the location request acquired by the AMF from the source LMF, including all the predetermined times) to the target LMF, the target LMF may attempt to initiate a location execution procedure at other predetermined location times (other than the predetermined location times), if both fail, the target LMF returns a failure reply to the AMF, the AMF returns a failure reply to the GMLC, if the location execution procedure is successfully initiated at a certain predetermined location time, the target LMF returns the UE location to the AMF and the predetermined location time to acquire the location, and the AMF returns a location reply to the GMLC.

B) The source LMF determines that a predetermined positioning time has arrived (corresponding to the current time being after the specific time or the current time being the same as the specific time): the AMF sends a first request (corresponding to the first message, which may be implemented as sending a positioning request message to the second LMF, carrying the UE location) to the source LMF, where the message carries the identity of the target LMF or the source LMF selects the target LMF according to the UE location. The source LMF (which may be based on the UE context) finds that the predetermined positioning time has arrived (which may correspond to the current time being after the specific time or the current time being the same as the specific time or a location execution phase being performed) the possible behavior of the source LMF is as follows:

i. The source LMF returns a failure reply to the AMF, which returns a location failure to the GMLC. Receiving notification information of positioning failure fed back by the second LMF corresponding to the AMF, and returning a positioning failure message to the GMLC; the AMF can receive the positioning request reply message fed back by the second LMF; the positioning request reply message carries notification information of positioning failure; and returning a positioning failure message to the GMLC according to the positioning request reply message.

The source LMF sends a position context to the target LMF, the target LMF initiates a UE positioning process, then the target LMF sends the UE position and the unsatisfied preset positioning time (corresponding to the position information of the terminal fed back by the first LMF and the notification information for notifying the unsatisfied preset time) to the AMF, the method can be realized to receive a positioning request reply message fed back by the first LMF, wherein the positioning request reply message carries the position information of the terminal and the information for notifying the unsatisfied preset time, and the AMF returns a reply message to the GMLC, and the message comprises the unsatisfied UE position and the unsatisfied preset positioning time.

If a plurality of predetermined positioning times are included in the positioning request, the source LMF sends a location context to the target LMF, the target LMF may attempt to initiate a location execution procedure at other predetermined positioning times (in addition to the predetermined positioning times described above), if both fail, the target LMF returns a failure reply to the AMF, the AMF returns a failure reply to the GMLC, if the location execution procedure is successfully initiated at a certain predetermined positioning time, the target LMF returns a UE location to the AMF and a predetermined positioning time to acquire the location, and the AMF returns a location reply to the GMLC, including the UE location and the predetermined positioning time to acquire the location.

C) The target LMF determines that the predetermined positioning time has arrived (which may correspond to the current time being after the specific time or the current time being the same as the specific time): the AMF sends a first request to the source LMF, and the message carries the identification of the target LMF (the first LMF is selected corresponding to the AMF, and the first message is sent to the second LMF; the first request can be realized as a positioning request message sent to the second LMF, and the positioning request message carries the identification of the first LMF). The source LMF sends a location context (corresponding to the above-mentioned location context information of the terminal to the first LMF) to the target LMF, and the target LMF finds that a predetermined location time has arrived (which may correspond to the above-mentioned current time being after the specific time or the current time being the same as the specific time or a location execution phase being performed), the possible behavior of the target LMF is as follows:

i. The target LMF returns a location failure reply to the AMF (corresponding to the first LMF feeding back location failure notification information to the AMF), and the AMF returns a location failure to the GMLC. The method can be realized to receive a positioning request reply message fed back by the first LMF; the positioning request reply message carries notification information of positioning failure; and returning a positioning failure message to the GMLC according to the positioning request reply message.

And (3) the target LMF locates the UE (performs a position preparation stage and a position execution stage), returns an indication that the position of the UE and the preset locating time are not met to the AMF, and returns a reply message to the GMLC, wherein the message comprises the position of the UE and the preset locating time are not met. The AMF receives the position information of the terminal fed back by the first LMF and notifies the notification information of not meeting a specific time; the method can be realized to receive a positioning request reply message fed back by the first LMF; the positioning request reply message carries the position information of the terminal and the information for notifying that the specific time is not met.

If the location context includes a plurality of predetermined location times, the target LMF may attempt to initiate location execution at other predetermined location times (in addition to the predetermined location times described above), if both fail, the target LMF returns a failure reply to the AMF, the AMF returns a failure reply to the GMLC, if the location execution is successfully initiated at some predetermined location time, the target LMF returns the UE location to the AMF and the predetermined location time to acquire the location, and the AMF returns the location reply to the GMLC, including the UE location and the predetermined location time to acquire the location.

4. AMF change, LMF change (target LMF corresponds to the first LMF described above, source LMF corresponds to the second LMF described above): the source AMF sends the UE context to the target AMF, the UE context including LCS association identity, information of the LMF (e.g. identity, IP address) and predetermined positioning time. The source AMF may also provide information of the location request, which may be cached at the source AMF or retrieved from the source LMF by the source AMF. The target AMF decides to select a new LMF (i.e. the target LMF), and the target AMF sends a second request message to the target LMF, the message including the LCS association identity and the information of the location request. If the predetermined location time is not reached (which may correspond to the current time being before the specific time), the target LMF performs a location preparation phase and a location execution phase. If the predetermined location time has arrived (which may correspond to the current time being after the specific time or the current time being the same as the specific time or a location execution phase being performed), the behavior of the target LMF is referred to below in the context of operation a. The target AMF returns a confirmation message to the source AMF, the message carries an indication of the change of the LMF, and the source AMF sends a message for canceling the positioning request to the source LMF.

The operation a related to the embodiment of the application is that: in the scenario that the predetermined positioning time is exceeded (which may correspond to the current time being after the specific time or the current time being the same as the specific time or a position execution phase being performed), the behavior of the LMF may be:

Operation 1, LMF returns failure recovery; corresponding to the feedback of the positioning failure notification information to the access and mobility management function AMF, the feedback of the positioning request reply message to the AMF can be realized; the positioning request reply message carries notification information of positioning failure.

2, The LMF acquires the UE position again, and returns an indication that the UE position and the preset positioning time are not met; corresponding to the position of the terminal, feeding back the position information and the positioning failure notification information to an AMF; the method can be realized to acquire the position information of the terminal again; feeding back a positioning request reply message to the AMF according to the position information; the positioning request reply message carries the position information and the information for notifying that the specific time is not met.

Operation 3, if the LCS client, AF or UE provides a plurality of predetermined positioning times, the LMF waits for the next predetermined positioning time and triggers the position execution phase at the next predetermined positioning time, and returns to the UE position and acquires the predetermined positioning time of the position. If the LMF fails to successfully acquire the UE location for all of the plurality of predetermined positioning times (i.e., none of the predetermined positioning times is satisfied), the operation of the LMF is the same as operation 1 or 2 described above.

In this description, the same or similar contents in the above four cases can be referred to each other, but are not limited thereto.

In addition, in the case that the AMF sends the positioning cancellation message to the second LMF, the solution may further include the AMF receiving a positioning cancellation confirmation message sent by the second LMF; and are not limited thereto.

The following specifically illustrates the scheme provided by the embodiment of the present application.

Example one

In this example, the UE moves but neither AMF nor LMF changes.

The LMF may obtain location information of the UE (this location information is information of a cell to which the UE accesses; e.g., an identity of a serving cell of a primary RAN node and an identity of a serving cell of a primary cell of a secondary RAN node in a dual connectivity scenario), and if the LMF finds that the predetermined positioning time has not yet arrived (may correspond to the current time being before the specific time), the internal logic of the LMF is as shown in fig. 8; comprising the following steps:

step 81: acquiring the position of UE;

Step 82: determining whether a location preparation phase has been completed, for example, determining whether a location context of the UE includes measurement configuration information, or whether the current time is located after or the same as the specific time, if yes, proceeding to step 84; if not, go to step 83;

step 83: executing a position preparation phase, and subsequently entering step 86;

Step 84: judging whether the completed position preparation stage is effective, if so, proceeding to step 86; if not, go to step 85;

step 85: re-executing the location preparation phase or updating information configured by the completed location preparation phase;

Step 86: the execution position execution phase.

With respect to fig. 8, in particular:

when the UE moves, the LMF acquires the UE location from the AMF or the UE or the RAN, and the LMF determines whether the location preparation phase has been completed, for example, whether measurement configuration information is included in the location context of the UE, or whether the current time is located after or the same as the specific time:

1. incomplete: the LMF performs a location preparation phase according to the current location of the UE and triggers the location execution phase at a predetermined location time.

2. Has been completed: the LMF determines whether the completed location preparation stage is valid, for example, whether a new positioning method needs to be selected, whether new positioning measurement information needs to be configured, whether configured positioning measurement information needs to be updated, and the like, and according to different determination results, the LMF has different behaviors:

(1) The method is effective: the LMF triggers the location execution phase at a predetermined positioning time.

(2) Invalidation: the LMF re-performs the location preparation phase or updates the configuration information transmitted at the completed location preparation phase, and the LMF triggers the location execution phase at a predetermined location time.

Wherein if the UE moves, the LMF has triggered a location execution phase before acquiring the latest location of the UE, for example, the current time is located after the predetermined location time or the same as the predetermined location time (corresponding to the current time being located after the specific time or the same as the specific time), the LMF may act to return a failure reply to the AMF, or initiate a location and then return an indication to the AMF that the UE location and the predetermined location time are not satisfied, or initiate a location execution phase at other predetermined location times (only applicable to a scenario where the LCS client, AF or UE provides a plurality of predetermined location times) and then return the UE location and the predetermined location time for acquiring the location to the AMF.

Example two

In this example, the UE movement causes the AMF to change, but the LMF is unchanged, the scenario is shown in fig. 9.

In this scenario, the specific process of the present solution may be as shown in fig. 10; comprising the following steps:

Step 101: the source AMF sends Namf _communication_ CreateUEContext (Communication creation UE context) request or Namf _communication_ UEContextTransfer (Communication UE context transfer) request to the target AMF; steps 102a and 103a are followed: or step 102b:

steps 102a and 103a: the source AMF sends a first request message (carrying a target AMF identifier) to the LMF; the target AMF cooperates with the LMF to acquire the position of the UE;

Step 102b: the target AMF sends a second request message (carrying the target AMF identification) to the LMF.

With respect to fig. 10, in particular:

In step 101, when the UE moves to change the AMF, the source AMF sends a Namf _communication_ CreateUEContext request or a Namf _communication_ UEContextTransfer request to the target AMF, where the message includes an LCS association identifier, an LMF identifier, and a predetermined positioning time.

Step 102 a-step 103a, the source AMF is responsible for informing the LMF of the target AMF identity, the method does not perform step 102b. If the predetermined positioning time has not yet been reached, for example, the current time is before the predetermined positioning time (corresponding to the current time being before the specific time), the LMF performs step 103a to obtain the UE location (for example, the identity of the serving cell of the primary RAN node and the identity of the serving cell of the primary cell of the secondary RAN node in the dual connectivity scenario) from the target AMF.

Step 102b, the target AMF is responsible for informing the LMF of the target AMF identity, and the method does not perform steps 102 a-103 a. If the predetermined positioning time has not yet arrived, the target AMF also carries the UE location in the request message of step 102 b.

Step 102 a-step 103a, and step 102b are 2 possible solutions, which can work independently.

Example three

In this example, the UE movement causes the LMF to change, but the AMF does not. When the UE moves to the target location, if the predetermined positioning time is not reached (i.e., the LMF is changed, the AMF is unchanged, and the predetermined positioning time is not reached after the movement of the UE), for example, the current time is located after the predetermined positioning time or is the same as the predetermined positioning time (corresponding to the current time being before the predetermined positioning time or the current time being before a specific time), the specific procedure may be as shown in fig. 11:

1. The GMLC or UE sends a location request message to the AMF, the message including a predetermined location time. The AMF may cache information of the location request.

2. The AMF sends a location request message to the source LMF.

Before the predetermined positioning time arrives, e.g. the current time is before the predetermined positioning time (corresponding to the current time being before the specific time), the UE movement causes the LMF to change, in order to transfer the context of the positioning request of the predetermined positioning time between the LMFs, blocks a, B, C represent 3 possible approaches in the figure. The steps involved in these 3 blocks are described below.

Block a (AMF selecting the target LMF, the AMF storing information of the location request) comprises the steps of:

The AMF discovers the UE movement and selects the target LMF. The AMF finds that the predetermined positioning time is not reached and the AMF stores the information of the positioning request.

3. The AMF sends a location request message to the target LMF. The target LMF performs a location preparation phase and a location execution phase.

4. The AMF sends a location request cancellation to the source LMF, and the message includes an LCS association identifier.

5. The source LMF deletes the local context and then returns an acknowledgement message (i.e., location request deassertion) to the AMF. If the source LMF has already performed a location preparation phase, the source LMF also needs to request the UE and/or RAN to delete relevant information, i.e. information received from the LMF during the preparation phase, such as location measurement configuration, positioning algorithm parameter configuration, etc., before deleting the local context.

Block B (AMF select target LMF, AMF does not store location request information) comprises the steps of:

The UE moves, the AMF selects the target LMF, and the AMF finds that the predetermined positioning time is not reached, for example, the current time is located after the predetermined positioning time or is the same as the predetermined positioning time (corresponding to the current time being before the predetermined positioning time or the current time being before the specific time).

6. The AMF sends a first request message to the source LMF, the message including an LCS association identifier, and a target LMF identifier.

7. The source LMF sends a location context transfer request (message) to the target LMF, the message including an AMF identification, a location context (including information of a location request associated with a predetermined location time)

8. The target LMF returns a location context transfer acknowledgement (message) to the source LMF. The target LMF performs a location preparation phase and a location execution phase, and if the source LMF has performed the location preparation phase (e.g., the current time is located after the predetermined positioning time or is the same as the predetermined positioning time (corresponding to the current time being located after the specific time or is the same as the specific time)), the target LMF determines whether information configured by the source LMF at the phase is available, if not, the target LMF re-performs the location preparation phase, if available, the target LMF updates configuration information (i.e., updates information configured by the source LMF).

9. The source LMF or the target LMF returns a first request acknowledgement (message) to the AMF.

Block C (source LMF selecting target LMF) includes the steps of:

The source LMF finds that the UE is moving (determined from the UE location obtained from the AMF or the UE or RAN), the source LMF selects the target LMF and finds that the predetermined positioning time is not reached, e.g., the current time is before the predetermined positioning time (corresponding to the current time being before the specific time).

10. The source LMF sends a location context transfer request to the target LMF, the message including a location context of the UE, e.g., information related to a predetermined time location request.

11. The target LMF returns a location context transfer acknowledgement message to the source LMF. The target LMF performs a location preparation phase, a location execution phase. If the location preparation phase has been performed by the source LMF according to the UE context, the target LMF may update information of the source LMF (already) configuration or re-perform the location preparation phase.

12 Or 13 (one of which is executed), the target LMF or the source LMF returns an LMF reselection notification to the AMF, the message including the UE identity, the identity of the target LMF.

14. The target LMF sends a location request reply (message) to the AMF, the message including the location of the UE.

15. The AMF sends a location request reply (message) to the GMLC or UE.

In the embodiment of the application, the following steps are also possible: the AMF and the source LMF do not determine whether the time after the movement of the UE exceeds the predetermined positioning time, and only perform the positioning context redirection procedure, i.e., perform steps 6-8 or 10-12 of fig. 11 above, the target LMF finds that the predetermined positioning time is not reached, e.g., the current time is before the predetermined positioning time (corresponding to the current time being before the specific time), and the target LMF performs the location preparation and execution phases.

In blocks a, B and C, when the target LMF performs the location preparation phase or updates the configuration made by the source LMF in the location preparation phase, if the predetermined positioning time is timed out. The operation of the target LMF at this time may be one of the following:

1. The location execution phase is not performed and the message of step 14 carries an indication of a location failure or an indication that the predetermined location time is not met.

2. The location execution phase is performed, with an indication that the UE location and the predetermined positioning time are not met in the message of step 14.

3. If the location request carries a plurality of preset location times, the target LMF initiates a location execution stage at the next preset location time (i.e. other preset location times except the preset location time). If the target LMF successfully initiates the location execution phase at some predetermined location time, the target LMF returns to the UE location and acquires the predetermined location time for that location at step 14. If the target LMF attempts that all of the predetermined positioning times carried in the positioning request have not been successful, the LMF returns a failure reply at step 14.

Example four

In this example, the UE movement causes the LMF to change, but the AMF does not. When the UE moves to the target location, if the predetermined positioning time has arrived (i.e., LMF changes, AMF is unchanged, and the predetermined positioning time after the movement of the UE has arrived, unlike, for example, third), for example, the current time is located after or the same as the predetermined positioning time (corresponding to the current time being located after or the same as the specific time), the specific procedure may be as shown in fig. 12:

1. The GMLC or UE sends a location request message to the AMF, which may include one or more predetermined location times, and the AMF may locally cache the location request information.

2. The AMF selects the source LMF and sends a location request message thereto.

In the scenario of this example, the network element that determines that the UE has moved beyond a predetermined positioning time (e.g., the current time is after the predetermined positioning time or the same as the predetermined positioning time (corresponding to the current time being after the specific time or the same as the specific time)) may be an AMF (corresponding to a step in block a in fig. 12), a source LMF (corresponding to a step in block B in fig. 12), or a target LMF (corresponding to a step in block C in fig. 12). The specific process of judging by different network elements is described below.

The steps in block a represent a method in which the AMF determines that the time after the UE moves exceeds a predetermined positioning time (i.e., the current time is located after the predetermined positioning time or is the same as the predetermined positioning time (corresponding to the current time being located after the specific time or is the same as the specific time)), and the virtual boxes (one) and (two) represent different implementation methods, respectively.

The UE moves, the AMF selects a target LMF according to the location of the UE, and discovers that the UE is currently executing a positioning process with a preset positioning time according to locally stored information, and the current time has exceeded the preset positioning time, and the AMF may act as follows:

virtual frame 1

3. The AMF sends a location request cancellation (message) to the source LMF, the message carrying the LCS identity. The source LMF releases the context of the location request, possibly also sends a request to cancel the location to the UE or RAN, and then the source LMF returns an acknowledgement message to the AMF.

4. The AMF returns a location request reply (message) to the GMLC or UE, which is a carry failure reply, and possibly a cause of the failure (e.g., the predetermined location time is not met).

Virtual frame 2

5. The AMF sends a location request message to the target LMF, which may be location request information acquired by the AMF from the source LMF or stored locally by the AMF.

6. The AMF sends a location request cancellation to the source LMF, and the message carries an LCS identifier. The source LMF releases the context of the location request, possibly also sends a request to cancel the location to the UE or RAN, and then the source LMF returns an acknowledgement message to the AMF.

7. After receiving the message of step 5, the target LMF triggers the positioning procedure. If the location request includes a plurality of predetermined location times, the target LMF may sequentially attempt to locate the UE according to other predetermined location times until the UE is successfully located. The target LMF returns a location reply message (i.e., a location request reply message) to the AMF. If the positioning request message in the step 5 has only 1 preset positioning time and has timed out when the positioning request is received, the positioning reply message carries information that the position of the UE and the preset positioning time are not satisfied. If the location request message in step 5 includes a plurality of predetermined location times and the target LMF successfully executes the location execution phase at a certain predetermined location time, the location reply message carries the UE location and the predetermined location time for acquiring the location, otherwise (i.e., the target LMF does not successfully execute the location execution phase at any predetermined location time), the location reply message carries the UE location (after the last predetermined location time has expired) and information that the predetermined location time is not satisfied.

8. The AMF returns a location request reply to the GMLC or UE.

The steps in the block B represent a method that the source LMF determines that the time after the UE moves exceeds the predetermined positioning time, and the virtual boxes (one) and (two) represent different implementation methods respectively.

As the UE moves, the source LMF obtains the target LMF identity from the AMF or selects the target LMF itself. The source LMF finds that the predetermined positioning time has arrived or is currently executing the location execution phase, the behavior of the source LMF may be:

virtual frame 1

9. The source LMF returns a location request reply (message) to the AMF, with the failure reply carried in the message. Prior to this step, the source LMF may release the location context, etc.

10. The AMF returns a location request reply to the GMLC or UE, and the message is a carry failure reply, and may also carry a cause of failure (e.g., the predetermined location time is not met).

Virtual frame 2

11. The source LMF sends a location context transfer request (message) to the target LMF, the message including the location context.

12. The target LMF sends a location context transfer acknowledgement message to the source LMF.

13-14, As in step 7-8 of fig. 12.

The steps in the block C represent a method in which the target LMF determines that the time after the UE moves exceeds the predetermined positioning time, and the virtual boxes (one) and (two) represent different implementation methods respectively.

As the UE moves, the source LMF receives the target LMF from the AMF or selects the target LMF itself.

15-16, As in steps 11-12 of fig. 12. The source LMF releases the location context after step 16 and possibly also informs the AMF of the identity of the target LMF.

The target LMF determines that the predetermined positioning time has arrived or that the source LMF is executing the location execution phase based on the location context. The behavior of the target LMF may be:

virtual frame 1

17. The target LMF returns a positioning request reply (message) to the AMF, with the failure reply carried in the message.

18. The AMF returns a location request reply (message) to the GMLC or UE, which is a carry failure reply, and possibly a cause of the failure (e.g., the predetermined location time is not met).

Virtual frame 2

19-20, As in step 7-8 of fig. 12.

Example five

In this example, UE movement results in AMF change and LMF change, and the specific procedure may be as shown in fig. 13:

1. The GMLC or UE sends a location request message carrying one or more predetermined location times. The source AMF may locally cache the information of the location request.

2. The source AMF sends a location request message to the source LMF.

The UE moves and the source AMF selects the target AMF.

3. Alternatively, if the source AMF does not cache the information of the location request, the source AMF may obtain a location context (i.e., UE context) from the source LMF.

And 3a, the source AMF sends a positioning request cancellation message to the source LMF, and the source LMF deletes the positioning context.

4. The source AMF sends the UE context to the target AMF. The target AMF may check if the predetermined positioning time has been exceeded, and if so, the target AMF directly performs step 7, returning a failure reply (i.e., a positioning request reply) to the GMLC or UE.

5. The target AMF sends a location request message to the target LMF. The target LMF determines whether a predetermined positioning time has been exceeded, and if not, the target LMF performs a positioning preparation phase and an execution phase, and if so, the target LMF may or may not trigger a positioning process.

6. The target LMF returns a location request reply (message) to the target AMF, which may include a failure reply, or the UE location+information that the predetermined location time is not satisfied, (information corresponding to the notification that the specific time is not satisfied), or the UE location+the predetermined location time to acquire the UE location, or the UE location.

7. The target AMF returns a location request reply message to the GMLC or UE.

From the above, the present scheme relates to:

1. A predetermined positioning time is supported during the UE movement.

2. Based on 1, the AMF and the LMF are unchanged due to the movement of the UE, the LMF judges whether the current time exceeds the preset positioning time, if not, the LMF judges whether a position preparation stage is executed, if so, the LMF judges whether the operation or configuration of the preparation stage is effective according to the current position of the UE, and if not, the LMF re-executes the position preparation stage or updates configuration information; if not, the LMF performs a location preparation phase based on the latest location of the UE.

3. Based on 2, if the current time exceeds the preset positioning time, the LMF reinitiates the positioning process, and returns an indication that the UE position and the preset positioning time are not met to the AMF; or the LMF cancels the process of the currently executed positioning execution stage and returns positioning failure to the AMF; or the LMF sequentially tries to locate the UE according to other preset locating time until the UE position is successfully obtained in a certain preset locating time, at this time, the LMF returns the UE position to the AMF and the preset locating time for obtaining the position, if both the UE position and the preset locating time for obtaining the position fail, the LMF returns the locating failure to the AMF.

4. Based on 1, the UE movement causes the AMF to change but the LMF is unchanged, the source AMF sends the UE context to the target AMF, the context including the predetermined positioning time. The source AMF or the target AMF sends the identification of the target AMF to the LMF, and the LMF acquires the position of the UE from the target AMF.

5. Based on 4, the LMF judges whether the current time exceeds the preset positioning time, if not, the LMF judges whether the position preparation stage is executed, if so, the LMF judges whether the operation or configuration of the preparation stage is effective according to the current position of the UE, and if not, the LMF re-executes the position preparation stage or updates the configuration information; if not, the LMF performs a location preparation phase based on the latest location of the UE.

6. Based on 4, the content is the same as 3.

7. Based on 1, the UE moves and causes the LMF to change but the AMF is unchanged, the AMF or the source LMF or the target LMF judges whether the time of the UE reaching the new position exceeds the preset positioning time, if so, a positioning failure reply can be returned, or the position of the UE+the preset positioning time is not met, or the position of the UE+the preset positioning time for acquiring the position; if not, the target LMF performs a location preparation phase and a location execution phase.

8. Based on 7, the target LMF acquires positioning request information from the AMF or the source LMF, the target LMF positions the UE, returns to the AMF that the UE position and the preset positioning time are not met, or the target LMF returns a positioning failure reply, or the target LMF sequentially tries to position the UE according to other preset positioning time until the UE position is successfully acquired in a certain preset positioning time, at the moment, the target LMF returns to the AMF the UE position and acquires the preset positioning time of the position, if both the UE position and the preset positioning time fail, the target LMF returns to the AMF that the positioning fails.

9. Based on 7, the AMF sends a cancel location request to the source LMF, which deletes the location context. The source LMF may also request the UE or RAN to cancel the positioning procedure.

10. Based on 1, ue movement causes both AMF and LMF to change: the source AMF sends the UE context to the target AMF, the UE context including LCS association identity, information of the LMF (e.g. identity, IP address) and predetermined positioning time. The source AMF may also provide information of the location request, which may be cached at the source AMF or retrieved from the source LMF by the source AMF. The target AMF decides to select a new LMF (i.e. the target LMF), and the target AMF sends a second request message to the target LMF, the message including the LCS association identity and the information of the location request. If the predetermined positioning time is not reached, the target LMF performs a location preparation phase and a location execution phase. If the predetermined location time has arrived, the behavior of the target LMF is as described above with respect to the content of the A operation. The target AMF returns a confirmation message to the source AMF, the message carries an indication of the change of the LMF, and the source AMF sends a message for canceling the positioning request to the source LMF.

11. Based on 3,4 and 8, the lcs client, AF or UE may provide one or more predetermined positioning times.

In summary, the solution provided by the embodiment of the present application solves the problem that UE mobility is not supported in the predetermined positioning time scenario.

The embodiment of the present application also provides an information processing apparatus applied to the first location management function LMF, as shown in fig. 14, including a memory 141, a transceiver 142, and a processor 143:

A memory 141 for storing a computer program; a transceiver 142 for transceiving data under the control of the processor 143; a processor 143 for reading the computer program in the memory 141 and performing the following operations:

The information processing device provided by the embodiment of the application obtains the positioning message, wherein the positioning message is used for indicating the terminal to be positioned according to the specific time carried in the positioning message; if the terminal moves, executing the operation of the position preparation stage or updating the positioning measurement information according to the current service cell of the terminal and the specific time under the condition that the current time is positioned before the specific time and/or the position preparation stage is not executed; wherein the specific time is used for representing the time related to acquiring the position of the terminal; the method can ensure that the UE can be accurately positioned after moving, thereby supporting the mobility of the UE in a mechanism of preset positioning time.

Specifically, the transceiver 142 is configured to receive and transmit data under the control of the processor 143.

Where in FIG. 14, the bus architecture may comprise any number of interconnected buses and bridges, with the various circuits of the one or more processors, represented in particular by processor 143, and the memory, represented by memory 141, being 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. The transceiver 142 may be a number of elements, including a transmitter and a receiver, providing a means for communicating with various other apparatus over transmission media, including wireless channels, wired channels, optical cables, and the like. The processor 143 is responsible for managing the bus architecture and general processing, and the memory 141 may store data used by the processor 143 in performing operations.

Processor 143 may be a Central Processing Unit (CPU), application SPECIFIC INTEGRATED Circuit (ASIC), field-Programmable gate array (Field-Programmable GATE ARRAY, FPGA), or complex Programmable logic device (Complex Programmable Logic Device, CPLD), and may also employ a multi-core architecture.

Further, the operations further comprise: if the first condition is met, the method comprises the steps of executing feedback of positioning failure notification information to an access and mobility management function (AMF) through the transceiver; or acquiring the position of the terminal, and feeding back the position information and positioning failure notification information to an AMF through the transceiver; wherein the first condition includes any one of: the operation of the position preparation stage is not completed when the specific time arrives; updating the positioning measurement information when the specific time arrives, wherein the operation of updating the positioning measurement information is not completed; the specific time is the time at which the position measurement is started, after or after the specific time arrives.

In an embodiment of the present application, the operations further include: acquiring position context information of the terminal from a second LMF before performing an operation of a position preparation stage after the terminal moves; wherein the location context information includes the specific time.

Further, the operations further comprise: if the specific time is the time for starting position measurement or the time for determining the position of the terminal, feeding back positioning failure notification information to the AMF through the transceiver when the current time is located after the specific time or the current time is the same as the specific time.

In an embodiment of the present application, the operations further include: and acquiring the position information of the terminal, and feeding back the position information to an AMF through the transceiver.

The method for acquiring the position information of the terminal specifically comprises the following steps: acquiring the position context information of the terminal from a second LMF; and acquiring the position information of the terminal according to the position context information.

It should be noted that, the above device provided in the embodiment of the present application can implement all the method steps implemented in the corresponding method embodiment, 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.

The embodiment of the present application also provides an information processing device, which is applied to an access and mobility management function AMF, as shown in fig. 15, and includes a memory 151, a transceiver 152, and a processor 153:

a memory 151 for storing a computer program; a transceiver 152 for transceiving data under the control of the processor 153; a processor 153 for reading the computer program in the memory 151 and performing the following operations:

Receiving, by the transceiver 152, a positioning message, wherein the positioning message includes a specific time, and the specific time is used to characterize a time related to acquiring a terminal position;

The information processing device provided by the embodiment of the application receives the positioning message, wherein the positioning message comprises specific time which is used for representing the time related to the acquisition of the terminal position; if the terminal moves, sending a positioning message to a first Location Management Function (LMF) under the condition that the current time is located before the specific time, wherein the positioning message is used for indicating the first LMF to position the terminal according to the specific time carried in the positioning message; the method can ensure that the UE can be accurately positioned after moving, thereby supporting the mobility of the UE in a mechanism of preset positioning time.

Specifically, the transceiver 152 is configured to receive and transmit data under the control of the processor 153.

Wherein in fig. 15, a bus architecture may comprise any number of interconnected buses and bridges, and in particular one or more processors represented by processor 153 and various circuits of memory represented by memory 151, 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. The transceiver 152 may be a number of elements, including a transmitter and a receiver, providing a means for communicating with various other apparatus over transmission media, including wireless channels, wired channels, optical cables, etc. The processor 153 is responsible for managing the bus architecture and general processing, and the memory 151 may store data used by the processor 153 in performing operations.

The processor 153 may be a Central Processing Unit (CPU), an 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), and may also employ a multi-core architecture.

In an embodiment of the present application, the sending a positioning message to a first LMF includes: receiving an LMF reselection notification sent by a first LMF or a second LMF, wherein the LMF reselection notification carries an identifier of the first LMF, the second LMF is an LMF which provides positioning service for a terminal before the terminal moves, and the first LMF is an LMF which provides positioning service for the terminal after the terminal moves; and sending a positioning message to the first LMF according to the identification.

Further, the operations further comprise: transmitting a positioning cancellation message to a second LMF through the transceiver, wherein the positioning cancellation message carries a positioning service LCS association identifier; and receiving a confirmation positioning cancellation message sent by the second LMF through the transceiver.

Wherein, sending a positioning message to the first location management function LMF specifically includes: selecting a first LMF, and sending a first message to a second LMF, wherein the first message carries an LCS (LCS association) identifier and an identifier of the first LMF, and indicates the second LMF to send a positioning message related to the LCS association identifier to the first LMF according to the identifier of the first LMF; the operations further comprise: and receiving a positioning confirmation message sent by the first LMF through the transceiver.

In an embodiment of the present application, the operations further include: receiving notification information of positioning failure fed back by the first LMF through the transceiver; or receiving, by the transceiver, location information of the terminal fed back by the first LMF and information informing that a specific time is not satisfied.

The embodiment of the present application also provides an information processing apparatus, which is applied to an access and mobility management function AMF, as shown in fig. 16, and includes a memory 161, a transceiver 162, and a processor 163:

A memory 161 for storing a computer program; a transceiver 162 for transceiving data under the control of the processor 163; a processor 163 for reading the computer program in the memory 161 and performing the following operations:

receiving, by the transceiver 162, a positioning message, the positioning message including a specific time, the specific time being used to characterize a time associated with acquiring a terminal position;

transmitting a location cancel message to the second LMF through the transceiver 162 and returning a location failure message to the gateway mobile location center GMLC;

Or alternatively

A location message is sent to a first LMF through the transceiver 162 and a location cancel message is sent to a second LMF and location information of the terminal fed back by the first LMF is received.

The information processing device provided by the embodiment of the application receives the positioning message, wherein the positioning message comprises specific time which is used for representing the time related to the acquisition of the terminal position; if the terminal moves, if the current time is located after the specific time or the current time is the same as the specific time, the following operations are executed: sending a positioning cancellation message to the second LMF and returning a positioning failure message to the Gateway Mobile Location Center (GMLC); or sending a positioning message to a first LMF, sending a positioning cancellation message to a second LMF, and receiving the position information of the terminal fed back by the first LMF; the method can ensure that the UE can be accurately positioned after moving, thereby supporting the mobility of the UE in a mechanism of preset positioning time.

Specifically, the transceiver 162 is configured to receive and transmit data under the control of the processor 163.

Where in FIG. 16, the bus architecture may comprise any number of interconnected buses and bridges, and in particular one or more processors represented by processor 163, and various circuits of memory, represented by memory 161, are 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. The transceiver 162 may be a number of elements, including a transmitter and a receiver, providing a means for communicating with various other apparatus over transmission media, including wireless channels, wired channels, optical cables, and the like. The processor 163 is responsible for managing the bus architecture and general processing, and the memory 161 may store data used by the processor 163 in performing operations.

The processor 163 may be a Central Processing Unit (CPU), application SPECIFIC INTEGRATED Circuit (ASIC), field-Programmable gate array (Field-Programmable GATE ARRAY, FPGA), or complex Programmable logic device (Complex Programmable Logic Device, CPLD), or the processor may employ a multi-core architecture.

The method for sending the positioning message to the first LMF specifically comprises the following steps: sending the positioning message to a first LMF according to the cached positioning message; or selecting a first LMF, and sending a first message to a second LMF, wherein the first message carries an LCS (LCS association) identifier and an identifier of the first LMF, and indicates the second LMF to send a positioning message related to the LCS association identifier to the first LMF according to the identifier of the first LMF.

Further, the operations further comprise: receiving, by the transceiver, a confirmed location cancel message fed back by the second LMF before returning a location failure message to the gateway mobile location center GMLC; or before returning a location failure message to the gateway mobile location center GMLC, receiving, by the transceiver, notification of the location failure fed back by the second LMF.

The receiving the position information of the terminal fed back by the first LMF specifically includes: and receiving the position information of the terminal fed back by the first LMF and information for notifying that the specific time is not met.

The embodiment of the present application also provides an information processing apparatus applied to the second location management function LMF, as shown in fig. 17, including a memory 171, a transceiver 172, and a processor 173:

A memory 171 for storing a computer program; a transceiver 172 for transceiving data under the control of the processor 173; a processor 173 for reading the computer program in the memory 171 and performing the following operations:

Receiving, by the transceiver 172, a positioning message, the positioning message including a specific time, the specific time being used to characterize a time associated with acquiring a location of the terminal;

if the terminal moves, determining a first LMF;

And sending, by the transceiver 172, location context information of the terminal to the first LMF, where the location context information of the terminal includes a specific time, so that the first LMF locates the terminal according to the specific time.

The information processing device provided by the embodiment of the application receives the positioning message, wherein the positioning message comprises specific time which is used for representing the time related to the acquisition of the terminal position; if the terminal moves, determining a first LMF; transmitting position context information of a terminal to the first LMF, wherein the position context information of the terminal comprises specific time so that the first LMF locates the terminal according to the specific time; the method can ensure that the UE can be accurately positioned after moving, thereby supporting the mobility of the UE in a mechanism of preset positioning time.

Specifically, the transceiver 172 is configured to receive and transmit data under the control of the processor 173.

Where in FIG. 17, a bus architecture may be comprised of any number of interconnected buses and bridges, and in particular one or more processors represented by processor 173 and various circuits of memory represented by memory 171. 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. The transceiver 172 may be a number of elements, including a transmitter and a receiver, providing a means for communicating with various other apparatus over transmission media, including wireless channels, wired channels, optical cables, and the like. The processor 173 is responsible for managing the bus architecture and general processing, and the memory 171 may store data used by the processor 173 in performing operations.

The processor 173 may be a Central Processing Unit (CPU), application SPECIFIC INTEGRATED Circuit (ASIC), field-Programmable gate array (Field-Programmable GATE ARRAY, FPGA), or complex Programmable logic device (Complex Programmable Logic Device, CPLD), and may also employ a multi-core architecture.

In the embodiment of the present application, determining the first LMF specifically includes: receiving a first message sent by an AMF through the transceiver, wherein the first message carries an identifier of a serving cell and/or a first LMF of a terminal; and determining the first LMF according to the identification of the serving cell and/or the first LMF of the terminal.

Further, the operations further comprise: receiving a positioning cancellation message sent by the AMF through the transceiver; and deleting the related resources according to the positioning cancellation message.

In an embodiment of the present application, the operations further include: and sending an LMF reselection notification to the AMF through the transceiver, wherein the LMF reselection notification comprises an identifier of the first LMF determined according to a terminal service cell.

The embodiment of the application also provides an information processing device, which is applied to a first Location Management Function (LMF), as shown in FIG. 18, and comprises:

a first obtaining unit 181, configured to obtain a positioning message, where the positioning message is used to instruct to position a terminal according to a specific time carried in the positioning message;

A first execution unit 182, configured to execute, if the terminal moves, an operation of a location preparation stage or update location measurement information according to a current serving cell of the terminal and the specific time if the current time is before the specific time and/or if the location preparation stage is not executed;

The information processing device provided by the embodiment of the application obtains the positioning information, wherein the positioning information is used for indicating the terminal to be positioned according to the specific time carried in the positioning information; if the terminal moves, executing the operation of the position preparation stage or updating the positioning measurement information according to the current service cell of the terminal and the specific time under the condition that the current time is positioned before the specific time and/or the position preparation stage is not executed; wherein the specific time is used for representing the time related to acquiring the position of the terminal; the method can ensure that the UE can be accurately positioned after moving, thereby supporting the mobility of the UE in a mechanism of preset positioning time.

In an embodiment of the present application, the apparatus further includes: the second execution unit is used for executing feedback of the positioning failure notification information to the access and mobility management function AMF if the first condition is met; or acquiring the position of the terminal, and feeding back the position information and positioning failure notification information to an AMF; wherein the first condition includes any one of: the operation of the position preparation stage is not completed when the specific time arrives; updating the positioning measurement information when the specific time arrives, wherein the operation of updating the positioning measurement information is not completed; the specific time is the time at which the position measurement is started, after or after the specific time arrives.

Further, the device further comprises: a second obtaining unit, configured to obtain, after the terminal moves, location context information of the terminal from a second LMF before performing an operation of a location preparation stage; wherein the location context information includes the specific time.

In an embodiment of the present application, the apparatus further includes: and the first feedback unit is used for feeding back positioning failure notification information to the AMF if the specific time is the time for starting position measurement or the time for determining the position of the terminal, and the current time is after the specific time or the current time is the same as the specific time.

Further, the device further comprises: and the first processing unit is used for acquiring the position information of the terminal and feeding back the position information to the AMF.

It should be noted that, the device provided in the embodiment of the present application can implement all the method steps implemented in the corresponding method embodiment, 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.

The embodiment of the application also provides an information processing device, which is applied to an access and mobility management function AMF, as shown in FIG. 19, and comprises:

A first receiving unit 191, configured to receive a positioning message, where the positioning message includes a specific time, and the specific time is used to characterize a time related to acquiring a terminal position;

And the first sending unit 192 is configured to send a positioning message to the first location management function LMF if the terminal moves, where the current time is located before the specific time, where the positioning message is used to instruct the first LMF to position the terminal according to the specific time carried in the positioning message.

Further, the device further comprises: a second sending unit, configured to send a positioning cancellation message to a second LMF, where the positioning cancellation message carries a positioning service LCS association identifier; and the second receiving unit is used for receiving the confirmed positioning cancellation message sent by the second LMF.

Wherein, sending a positioning message to the first location management function LMF specifically includes: selecting a first LMF, and sending a first message to a second LMF, wherein the first message carries an LCS (LCS association) identifier and an identifier of the first LMF, and indicates the second LMF to send a positioning message related to the LCS association identifier to the first LMF according to the identifier of the first LMF; the apparatus further comprises: and the third receiving unit is used for receiving the positioning confirmation message sent by the first LMF.

In an embodiment of the present application, the apparatus further includes: a fourth receiving unit, configured to receive notification information of positioning failure fed back by the first LMF; or receiving the position information of the terminal fed back by the first LMF and notifying that the specific time is not met.

The embodiment of the application also provides an information processing device, which is applied to an access and mobility management function AMF, as shown in FIG. 20, and comprises:

a fifth receiving unit 201, configured to receive a positioning message, where the positioning message includes a specific time, and the specific time is used to characterize a time related to acquiring a location of a terminal;

A third execution unit 202, configured to, if the terminal moves, execute the following operations if the current time is located after the specific time or if the current time is the same as the specific time:

Or alternatively

Further, the device further comprises: a sixth receiving unit, configured to receive a confirm positioning cancellation message fed back by the second LMF before returning a positioning failure message to the gateway mobile location center GMLC; or before returning a positioning failure message to the Gateway Mobile Location Center (GMLC), receiving notification information of positioning failure fed back by the second LMF.

The embodiment of the present application also provides an information processing apparatus, which is applied to a second location management function LMF, as shown in fig. 21, including:

A seventh receiving unit 211, configured to receive a positioning message, where the positioning message includes a specific time, and the specific time is used to characterize a time related to acquiring a location of a terminal;

A first determining unit 212, configured to determine a first LMF if the terminal moves;

and a third sending unit 213, configured to send location context information of the terminal to the first LMF, where the location context information of the terminal includes a specific time, so that the first LMF locates the terminal according to the specific time.

Further, the device further comprises: an eighth receiving unit, configured to receive a positioning cancellation message sent by the AMF; and the second processing unit is used for deleting related resources according to the positioning cancellation message.

In an embodiment of the present application, the apparatus further includes: and the fourth sending unit is used for sending an LMF reselection notification to the AMF, wherein the LMF reselection notification comprises the identification of the first LMF determined according to the terminal service cell.

It should be noted that, in the embodiment of the present application, the division of the units is schematic, which is merely a logic function division, and other division manners may be implemented in actual practice. In addition, each functional unit in the embodiments 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 for causing a computer device (which may be a personal computer, a server, or a network device, etc.) or a processor (processor) to execute all or part of the steps of the method according to 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.

The embodiment of the application also provides a processor readable storage medium, which stores a computer program for causing the processor to execute the information processing method on the first LMF side; or the computer program is used for causing the processor to execute the information processing method of the AMF side; or the computer program is for causing the processor to execute the above-described information processing method on the second LMF side.

The processor-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 storage (e.g., floppy disks, hard disks, magnetic tape, magneto-optical disks (MOs), etc.), optical storage (e.g., CD, DVD, BD, HVD, etc.), and semiconductor storage (e.g., ROM, EPROM, EEPROM, non-volatile storage (NAND FLASH), solid State Disk (SSD)), etc.

The implementation embodiments of the information processing method on the first LMF side, the AMF side, or the second LMF side are all applicable to the embodiment of the processor readable storage medium, and the same technical effects can be achieved.

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 to the present application without departing from the spirit or scope of the application. Thus, it is intended that the present application also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims

1. An information processing method applied to a first location management function LMF, characterized by comprising:

2. The information processing method according to claim 1, characterized in that the method further comprises:

Wherein the first condition includes any one of:

3. The information processing method according to claim 1, wherein after the movement of the terminal, before the operation of the position preparation stage is performed, the method further comprises:

acquiring the position context information of the terminal from a second LMF;

wherein the location context information includes the specific time.

4. The information processing method according to claim 1, characterized in that the method further comprises:

5. The information processing method according to claim 4, characterized in that the method further comprises:

6. The information processing method according to claim 5, wherein obtaining the location information of the terminal specifically includes:

acquiring the position context information of the terminal from a second LMF;

7. An information processing method applied to an access and mobility management function AMF, comprising:

If the terminal moves, sending a positioning message to a first Location Management Function (LMF) under the condition that the current time is located before the specific time, wherein the positioning message is used for indicating the first LMF to position the terminal according to the specific time carried in the positioning message;

Wherein the sending the positioning message to the first LMF includes:

receiving an LMF reselection notification sent by a first LMF or a second LMF, wherein the LMF reselection notification carries an identifier of the first LMF, the second LMF is an LMF which provides positioning service for a terminal before the terminal moves, and the first LMF is an LMF which provides positioning service for the terminal after the terminal moves; sending a positioning message to the first LMF according to the identification;

Or alternatively

8. An information processing method according to claim 7, wherein in the case of transmitting a location message to the first LMF according to the identification, the method further comprises:

9. The information processing method according to claim 7, wherein in a case where the second LMF is instructed to send a location message related to an LCS associated identity to the first LMF according to the identity of the first LMF, the method further comprises:

And receiving a positioning confirmation message sent by the first LMF.

10. The information processing method according to claim 7 or 9, characterized in that the method further comprises:

Or alternatively

11. An information processing method applied to an access and mobility management function AMF, comprising:

Or alternatively

12. The information processing method according to claim 11, wherein,

The second LMF is an LMF that provides a location service for the terminal before the terminal moves, and the first LMF is an LMF that provides a location service for the terminal after the terminal moves.

13. An information processing method according to claim 11, wherein sending a positioning message to the first LMF specifically comprises:

14. The information processing method according to claim 11, characterized in that before returning a location failure message to the gateway mobile location center GMLC, the method further comprises:

15. The information processing method according to claim 11, wherein receiving the location information of the terminal fed back by the first LMF specifically includes:

16. An information processing method applied to a second location management function LMF, characterized by comprising:

if the terminal moves, determining a first LMF;

17. The information processing method according to claim 16, wherein determining the first LMF specifically includes:

18. The information processing method according to claim 16, characterized in that the method further comprises:

Receiving a positioning cancellation message sent by an AMF;

19. The information processing method according to claim 16, characterized in that the method further comprises:

20. An information processing device for use in a first location management function LMF, comprising a memory, a transceiver, and a processor:

21. The information processing apparatus according to claim 20, characterized in that the operations further comprise:

Wherein the first condition includes any one of:

22. The information processing apparatus according to claim 20, characterized in that the operations further comprise:

wherein the location context information includes the specific time.

23. The information processing apparatus according to claim 20, characterized in that the operations further comprise:

24. An information processing device applied to an access and mobility management function AMF, comprising a memory, a transceiver, and a processor:

If the terminal moves, sending a positioning message to a first Location Management Function (LMF) through the transceiver under the condition that the current time is located before the specific time, wherein the positioning message is used for indicating the first LMF to position the terminal according to the specific time carried in the positioning message;

Wherein the sending the positioning message to the first LMF includes:

Or alternatively

25. The information processing apparatus of claim 24, wherein in the case where the second LMF is instructed to send a location message related to an LCS associated identity to a first LMF based on the identity of the first LMF, the operations further comprise:

26. An information processing device applied to an access and mobility management function AMF, comprising a memory, a transceiver, and a processor:

Or alternatively

27. An information processing device for use in a second location management function LMF, comprising a memory, a transceiver, and a processor:

if the terminal moves, determining a first LMF;

28. The information processing apparatus according to claim 27, characterized in that the operations further comprise:

29. An information processing apparatus applied to a first location management function LMF, characterized by comprising:

30. An information processing apparatus applied to an access and mobility management function AMF, comprising:

The first sending unit is used for sending a positioning message to the first Location Management Function (LMF) if the terminal moves, and the positioning message is used for indicating the first LMF to position the terminal according to the specific time carried in the positioning message when the current time is positioned before the specific time;

Wherein the sending the positioning message to the first LMF includes:

Or alternatively

31. An information processing apparatus applied to an access and mobility management function AMF, comprising:

Or alternatively

32. An information processing apparatus applied to a second location management function LMF, characterized by comprising:

33. A processor-readable storage medium, characterized in that the processor-readable storage medium stores a computer program for causing the processor to execute the information processing method according to any one of claims 1 to 6; or alternatively

The computer program for causing the processor to execute the information processing method according to any one of claims 7 to 10; or alternatively

The computer program for causing the processor to execute the information processing method of any one of claims 11 to 15; or alternatively

The computer program for causing the processor to execute the information processing method of any one of claims 16 to 19.