CN117560301A

CN117560301A - Event information transmission method, LMF, access network equipment and terminal

Info

Publication number: CN117560301A
Application number: CN202210929476.8A
Authority: CN
Inventors: 李媛; 潘翔; 张宏平
Original assignee: Vivo Mobile Communication Co Ltd
Current assignee: Vivo Mobile Communication Co Ltd
Priority date: 2022-08-03
Filing date: 2022-08-03
Publication date: 2024-02-13
Also published as: WO2024027580A1

Abstract

The application discloses an event information transmission method, an LMF, access network equipment and a terminal, which belong to the technical field of communication, and the event information transmission method in the embodiment of the application comprises the following steps: the LMF sends a first message to access network equipment, wherein the first message is used for requesting a first worry event which can cause inaccurate positioning result, and the first worry event is an event related to the access network equipment; the LMF receives a second message from the access network device, the second message including the first fear event, wherein the first fear event is used to evaluate positioning integrity.

Description

Event information transmission method, LMF, access network equipment and terminal

Technical Field

The application belongs to the technical field of communication, and particularly relates to an event information transmission method, a position management function (Location Management Function, LMF), access network equipment and a terminal.

Background

Positioning integrity (positioning integrity) is introduced in some communication systems, wherein positioning integrity is used to assess the accuracy of position-related data provided by a positioning system. However, the estimation of the current positioning integrity is only realized in a positioning method of satellite positioning, and thus, the estimation performance of the current positioning integrity is poor.

Disclosure of Invention

The embodiment of the application provides an event information transmission method, an LMF, access network equipment and a terminal, which can improve the problem of poor evaluation performance of positioning integrity.

In a first aspect, there is provided an event information transmission method, including:

the LMF sends a first message to access network equipment, wherein the first message is used for requesting a first worry event which can cause inaccurate positioning result, and the first worry event is an event related to the access network equipment;

the LMF receives a second message from the access network device, the second message including the first fear event, wherein the first fear event is used to evaluate positioning integrity.

In a second aspect, there is provided an event information transmission method, including:

the access network equipment receives a first message from the LMF, wherein the first message is used for requesting a first worry event which can cause inaccurate positioning, and the first worry event is an event related to the access network equipment;

the access network device sends a second message to the LMF, the second message including the first fear event, wherein the first fear event is used to evaluate positioning integrity.

In a third aspect, there is provided an event information transmission method, including:

the terminal receives first assistance data from the location management function LMF, the first assistance data comprising at least one of:

a first concern event associated with access network devices that may lead to inaccurate positioning;

a second concern event associated with the LMF that may lead to inaccurate positioning;

a third concern that may lead to an outside world with inaccurate positioning.

In a fourth aspect, there is provided an event information transmission apparatus including:

a first sending module, configured to send a first message to an access network device, where the first message is used to request a first worry event that may cause an inaccurate positioning result, and the first worry event is an event related to the access network device;

a first receiving module configured to receive a second message from the access network device, the second message including the first fear event, wherein the first fear event is used to evaluate positioning integrity.

In a fifth aspect, there is provided an event information transmission apparatus including:

a receiving module, configured to receive a first message from a location management function LMF, where the first message is used to request a first fear event that may cause inaccurate positioning, and the first fear event is an event related to the access network device;

And a sending module configured to send a second message to the LMF, where the second message includes the first concern event, and the first concern event is used to evaluate positioning integrity.

In a sixth aspect, there is provided an event information transmission apparatus including:

a receiving module, configured to receive first assistance data from a location management function LMF, the first assistance data including at least one of:

a third concern that may lead to an outside world with inaccurate positioning.

In a seventh aspect, there is provided an LMF, including a processor and a memory, the memory storing a program or instructions executable on the processor, the program or instructions implementing the steps of the event information transmission method on the LMF side provided in the embodiments of the present application when executed by the processor.

An eighth aspect provides an LMF, including a processor and a communication interface, where the communication interface is configured to send a first message to an access network device, where the first message is used to request a first worry event that may cause an inaccurate positioning result, and the first worry event is an event related to the access network device; a second message is received from the access network device, the second message including the first fear event, wherein the first fear event is used to evaluate positioning integrity.

A ninth aspect provides an access network device, which is characterized by comprising a processor and a memory, wherein the memory stores a program or an instruction capable of running on the processor, and the program or the instruction implement the steps of the event information transmission method on the access network device side provided by the embodiment of the application when executed by the processor.

In a tenth aspect, an access network device is provided, including a processor and a communication interface, where the communication interface is configured to receive a first message from a location management function LMF, where the first message is configured to request a first fear event that may cause inaccurate positioning, and the first fear event is an event related to the access network device; and sending a second message to the LMF, the second message including the first concern event, wherein the first concern event is used to evaluate positioning integrity.

In an eleventh aspect, there is provided a terminal, including a processor and a memory, where the memory stores a program or an instruction executable on the processor, where the program or the instruction implements the steps of the event information transmission method on the terminal side provided in the embodiment of the present application when executed by the processor.

In a twelfth aspect, a terminal is provided, including a processor and a communication interface, where the communication interface is configured to receive first assistance data from a location management function LMF, the first assistance data including at least one of: a first concern event associated with access network devices that may lead to inaccurate positioning; a second concern event associated with the LMF that may lead to inaccurate positioning; a third concern that may lead to an outside world with inaccurate positioning.

In a thirteenth aspect, there is provided a readable storage medium, on which a program or an instruction is stored, where the program or the instruction, when executed by a processor, implements a step of an event information transmission method on an LMF side provided in an embodiment of the present application, or where the program or the instruction, when executed by the processor, implements a step of an event information transmission method on an access network device side provided in an embodiment of the present application, or where the program or the instruction, when executed by the processor, implements a step of an event information transmission method on a terminal side provided in an embodiment of the present application.

In a fourteenth aspect, a chip is provided, where the chip includes a processor and a communication interface, where the communication interface is coupled to the processor, where the processor is configured to execute a program or instruct to implement an event information transmission method on an LMF side provided by an embodiment of the present application, or where the processor is configured to execute a program or instruct to implement an event information transmission method on an access network device side provided by an embodiment of the present application, or where the processor is configured to execute a program or instruct to implement an event information transmission method on a terminal side provided by an embodiment of the present application.

In a fifteenth aspect, there is provided a computer program/program product stored in a storage medium, the computer program/program product being executed by at least one processor to implement the steps of the event information transmission method on the LMF side provided by the embodiments of the present application, or the computer program/program product being executed by at least one processor to implement the steps of the event information transmission method on the access network device side provided by the embodiments of the present application, or the computer program/program product being executed by at least one processor to implement the steps of the event information transmission method on the terminal side provided by the embodiments of the present application.

In a sixteenth aspect, there is provided an event information transmission system comprising: the method comprises an LMF, access network equipment and a terminal, wherein the LMF can be used for executing steps of an event information transmission method at the LMF side, the access network equipment can be used for executing steps of the event information transmission method at the access network equipment side, and the terminal can be used for executing steps of the event information transmission method at the terminal side.

In the embodiment of the application, the LMF sends a first message to an access network device, where the first message is used to request a first worry event that may cause inaccurate positioning results, and the first worry event is an event related to the access network device; the LMF receives a second message from the access network device, the second message including the first fear event, wherein the first fear event is used to evaluate positioning integrity. In this way, because the worry event related to the access network equipment is transferred between the LMF and the access network equipment, the worry event related to the access network equipment is considered when the positioning integrity is evaluated, and the evaluation performance of the positioning integrity can be improved.

Drawings

Fig. 1 is a block diagram of a wireless communication system to which embodiments of the present application are applicable;

fig. 2 is a flowchart of a method for transmitting event information according to an embodiment of the present application;

fig. 3 is a flowchart of another event information transmission method provided in an embodiment of the present application;

fig. 4 is a flowchart of another event information transmission method provided in an embodiment of the present application;

fig. 5 is a schematic diagram of an event information transmission method according to an embodiment of the present application;

fig. 6 is a schematic diagram of another event information transmission method according to an embodiment of the present application;

fig. 7 is a block diagram of an event information transmission apparatus according to an embodiment of the present application;

fig. 8 is a block diagram of another event information transmission apparatus provided in an embodiment of the present application;

fig. 9 is a block diagram of another event information transmission apparatus provided in an embodiment of the present application;

fig. 10 is a block diagram of a communication device according to an embodiment of the present application;

fig. 11 is a block diagram of an LMF provided in an embodiment of the present application;

fig. 12 is a block diagram of an access network device according to an embodiment of the present application;

fig. 13 is a block diagram of a terminal according to an embodiment of the present application.

Detailed Description

Technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application are within the scope of the protection of the present application.

The terms first, second and the like in the description and in the claims, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application are capable of operation in sequences other than those illustrated or otherwise described herein, and that the terms "first" and "second" are generally intended to be used in a generic sense and not to limit the number of objects, for example, the first object may be one or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/" generally means a relationship in which the associated object is an "or" before and after.

It is noted that the techniques described in embodiments of the present application are not limited to long term evolution (Long Term Evolution, LTE)/LTE evolution (LTE-Advanced, LTE-a) systems, but may also be used in other wireless communication systems, such as code division multiple access (Code Division Multiple Access, CDMA), time division multiple access (Time Division Multiple Access, TDMA), frequency division multiple access (Frequency Division Multiple Access, FDMA), orthogonal frequency division multiple access (Orthogonal Frequency Division Multiple Access, OFDMA), single carrier frequency division multiple access (Single-carrier Frequency Division Multiple Access, SC-FDMA), and other systems. The terms "system" and "network" in embodiments of the present application are often used interchangeably, and the techniques described may be used for both the above-mentioned systems and radio technologies, as well as other systems and radio technologies. The following description describes a New air interface (NR) system for purposes of example and uses NR terminology in much of the description that follows, but these techniques are also applicable to applications other than NR system applications, such as generation 6 (6) ^th Generation6G) communication system.

Fig. 1 shows a block diagram of a wireless communication system to which embodiments of the present application are applicable. The wireless communication system includes a terminal 11 and a network device 12. The terminal 11 may be a mobile phone, a tablet (Tablet Personal Computer), a Laptop (Laptop Computer) or a terminal-side Device called a notebook, a personal digital assistant (Personal Digital Assistant, PDA), a palm top, a netbook, an ultra-mobile personal Computer (ultra-mobile personal Computer, UMPC), a mobile internet appliance (Mobile Internet Device, MID), an augmented reality (augmented reality, AR)/Virtual Reality (VR) Device, a robot, a Wearable Device (weather Device), a vehicle-mounted Device (VUE), a pedestrian terminal (PUE), a smart home (home Device with a wireless communication function, such as a refrigerator, a television, a washing machine, or a furniture), a game machine, a personal Computer (personal Computer, PC), a teller machine, or a self-service machine, and the Wearable Device includes: intelligent wrist-watch, intelligent bracelet, intelligent earphone, intelligent glasses, intelligent ornament (intelligent bracelet, intelligent ring, intelligent necklace, intelligent anklet, intelligent foot chain etc.), intelligent wrist strap, intelligent clothing etc.. Note that, the specific type of the terminal 11 is not limited in the embodiment of the present application. The network-side device 12 may comprise an access network device or core network device, wherein the access network device may also be referred to as a radio access network device, a radio access network (Radio Access Network, RAN), a radio access network function or a radio access network element. The access network device may include a base station, a WLAN access point, a WiFi node, or the like, where the base station may be referred to as a node B, an evolved node B (eNB), an access point, a base transceiver station (Base Transceiver Station, BTS), a radio base station, a radio transceiver, a basic service set (Basic Service Set, BSS), an extended service set (Extended Service Set, ESS), a home node B, a home evolved node B, a transmission receiving point (Transmitting Receiving Point, TRP), or some other suitable terminology in the field, and the base station is not limited to a specific technical vocabulary so long as the same technical effect is achieved, and it should be noted that in the embodiment of the present application, only the base station in the NR system is described by way of example, and the specific type of the base station is not limited. The core network device may include, but is not limited to, at least one of: core network nodes, core network functions, mobility management entities (Mobility Management Entity, MME), access mobility management functions (Access and Mobility Management Function, AMF), session management functions (Session Management Function, SMF), user plane functions (User Plane Function, UPF), policy control functions (Policy Control Function, PCF), policy and charging rules function units (Policy and Charging Rules Function, PCRF), edge application service discovery functions (Edge Application Server Discovery Function, EASDF), unified data management (Unified Data Management, UDM), unified data repository (Unified Data Repository, UDR), home subscriber server (Home Subscriber Server, HSS), centralized network configuration (Centralized network configuration, CNC), network storage functions (Network Repository Function, NRF), network opening functions (Network Exposure Function, NEF), local NEF (or L-NEF), binding support functions (Binding Support Function, BSF), application functions (Application Function, AF), and the like. In the embodiment of the present application, only the core network device in the NR system is described as an example, and the specific type of the core network device is not limited.

Additionally, the system may further include an LMF, or the core network device includes an LMF.

In the embodiment of the application, the positioning integrity is used for evaluating the accuracy of the position related data provided by the positioning system, and timely and credible warning can be provided for a client requesting position service when the system does not meet the requirements.

In an embodiment of the present application, a customer (LCS client) of a location service request may provide its required Integrity key performance indicators (Integrity Key Performance Indicators, integrity KPIs), which may include at least one of:

target integrity risk (Target Integrity Risk, TIR), alarm Limit (AL), alarm Time Limit (Time-to-Alert, TTA)

Wherein TIR may be: within the desired TTA, the positioning error exceeds the AL without alerting the user to the upper probability limit.

AL may be: the positioning system may be used to anticipate the maximum positioning error allowed by the positioning service.

The TTA may be: the maximum allowed time period from the positioning error exceeding AL to the function providing positioning integrity to issue a corresponding alarm.

In the embodiment of the present application, the Protection Level (PL) may be a limit of the positioning error to ensure that the PL is less than or equal to AL and the probability of the positioning error being greater than AL is less than the required TIR per unit time.

In embodiments of the present application, a fear Event (feed Event) may be an Event (e.g., a natural, artificial, system, or operational property Event) that may cause a calculated location to deviate from a true location.

The following describes in detail, by means of some embodiments and application scenarios thereof, an event information transmission method, an LMF, an access network device, and a terminal provided in the embodiments of the present application with reference to the accompanying drawings.

Referring to fig. 2, fig. 2 is a flowchart of a method for transmitting event information according to an embodiment of the present application, as shown in fig. 2, including the following steps:

step 201, the LMF sends a first message to the access network device, where the first message is used to request a first worry event that may cause inaccurate positioning result, and the first worry event is an event related to the access network device.

The first message is used by the LMF to request an access network device related worry event from the access network device.

The first fear event may be a fear event generated by the access network device, such as a fear event generated by TRP of the access network device, or a fear event generated by measurement of the access network device.

Step 202, the LMF receives a second message from the access network device, the second message including the first fear event, wherein the first fear event is used to evaluate positioning integrity.

The second message is a reply message replied to the LMF after the access network device receives the first message.

The second message may include all or part of the concerns about the access network device, may include event information of the first concerns about the event, and the event information may be description information of the concerns about the event, parameter information of the concerns about the event, or the like.

The first concern event may be used to evaluate the positioning integrity, for example, for the LMF to evaluate the positioning integrity, or for the terminal to evaluate the positioning integrity.

It should be noted that, in the embodiment of the present application, the method for evaluating the positioning integrity may be determined by the capability information of the LMF binding terminal, which is not limited.

The evaluating the positioning integrity may be evaluating the positioning integrity of the positioning system according to a positioning procedure performed on the terminal at a time.

According to the embodiment of the application, the above steps can be implemented, the worry event related to the access network equipment is transmitted between the LMF and the access network equipment, so that the worry event related to the access network equipment is considered in the process of evaluating the positioning integrity, the evaluation performance of the positioning integrity can be improved, and the positioning integrity can be evaluated and monitored more comprehensively.

As an alternative embodiment, the first concern event includes at least one of:

TRP-related fear events of the access network device;

the access network device signals measurements are correlated to worry events.

The above-mentioned TRP-related fear event may be a fear event caused by TRP that may make the positioning result inaccurate.

For example: the TRP-related fear event may include at least one of:

location of TRP, synchronization inside TRP, beam-directed antenna information of TRP.

The TRP location may be a geographical location coordinate of one or more TRPs of the access network device, or a relative location between the TRPs; the synchronization inside the TRP may be synchronization information between a plurality of TRPs of the access network device, such as a time synchronization information block (Synchronization Signal Block, SSB) configuration; the beam-steering antenna information of the TRP may be a beam antenna angle of one or more TRPs of the access network device.

The above-mentioned TRP-related fear event includes at least one of a position of the TRP, synchronization inside the TRP, beam-oriented antenna information of the TRP may be that a cause of the TRP-related fear event includes at least one of a position of the TRP, synchronization inside the TRP, beam-oriented antenna information of the TRP.

The above-mentioned worry event related to the signal measurement result may be a worry event that may cause inaccurate positioning result due to the signal measurement result measured by the access network device.

For example: the signal measurement related concern event may include at least one of:

the method comprises the steps of time measurement corresponding to a positioning method, angle measurement corresponding to the positioning method and power measurement corresponding to the positioning method, wherein the positioning method is used for positioning the terminal.

The positioning method may be a method adopted when positioning the terminal, and specifically may be one of a plurality of positioning methods supported by the terminal. This can achieve the effect of delivering feared events at the granularity of the positioning method.

The time measurement corresponding to the positioning method may be a time measurement result corresponding to the positioning method, such as a transmit (Tx) time delay, a receive (Rx) time delay, and a Tx-Rx time delay.

The angle measurement corresponding to the positioning method may be an angle measurement result corresponding to the positioning method, such as an angle of arrival (AoA), an angle of departure (angle of departure, aoD).

The power measurement corresponding to the positioning method may be a power measurement result corresponding to the positioning method, such as reference signal received power (Reference Signal Receiving Power, RSRP), reference signal received path power (Reference Signal Receiving Path Power, RSRPP).

The signal measurement result-related worry event may include the at least one item corresponding to the positioning method, and the cause of the signal measurement result-related worry event may include the at least one item corresponding to the positioning method.

As an alternative embodiment, the first message further includes: first time information;

the LMF receiving a second message from the access network device, comprising:

in the event that there is a change in the first concern event within a time period represented by the first time information, the LMF receives the second message from the access network device, the second message including the changed first concern event.

The first time information may be a duration information, and the duration may be flexibly set, or may be a preset fixed duration.

In some embodiments, the time period represented by the first time information may include at least one of:

The access network equipment performs a first time length before positioning measurement;

the access network equipment performs a second time length after positioning measurement;

and the access network equipment receives the third time length after the first message.

The access network device can send the worry event of the current change to the LMF through the at least one time length.

The first concern event existence change in the period indicated by the first time information may be a change in event information of a part or all of the first concern event in the period.

In this embodiment, when there is a fear that an event is changed, the fear event after the change is transmitted, and even if there is a change after the above-described period of time, the fear event may not be transmitted, so that transmission resources can be saved.

As an alternative embodiment, in the case that the first fear event includes a TRP related fear event of the access network device, the first message is: a TRP information request message (TRP INFORMATION REQUEST), the second message being: TRP information reply message (TRP INFORMATION RESPONSE).

In the embodiment, the transmission worry event between the LMF and the access network equipment can be realized according to the TRP information request message and the TRP information reply message, so that the introduction of additional information is avoided, and the effect of saving transmission resources is achieved.

As an alternative embodiment, in case the first concern event comprises a concern event related to a signal measurement of the access network device, the first message comprises at least one of:

a measurement request message (MEASUREMENT REQUEST), a measurement activate message (MEASUREMENT ACTIVATION), a measurement update message (MEASUREMENT UPDATE).

In this embodiment, the request for acquiring the worry event related to the access network device through the at least one message may be implemented.

In some embodiments, the second message includes at least one of:

measurement report message (MEASUREMENT REPORT), measurement deactivate message (MEASUREMENT DEACTIVATION), measurement reply message (MEASUREMENT ESPONSE).

In some embodiments, the first message may include:

measuring a start message (E-CID MEASUREMENT INITIATION REQUEST) based on the Enhanced Cell-ID (E-CID); or (b)

Time difference of arrival positioning (E-CID MEASUREMENT INITIATION REQUEST, OTDOA) information REQUEST (OTDOA INFORMATION REQUEST).

The second message may include:

E-CID measurement report (E-CID MEASUREMENT REPORT), OTDOA information reply message (OTDOA INFORMATION RESPONSE).

It should be noted that the first message and the second message may also be other NR positioning protocol (NR positioning protocol A, NRPPa) messages transferred between the LMF and the access network device.

As an alternative embodiment, the method further comprises:

the LMF receives positioning capability information from a terminal, wherein the positioning capability information is used for indicating at least one of the following:

the method comprises the steps of reporting a positioning integrity result supported by the terminal, calculating the positioning integrity capability of the terminal in a positioning method, supporting received auxiliary data by the terminal in the positioning method, and supporting sent auxiliary data by the terminal in the positioning method, wherein the auxiliary data are data for assisting in positioning integrity calculation, and the positioning method is a method for positioning the terminal.

The reporting mode of the positioning integrity result may include at least one of the following:

PL reporting of positioning integrity;

and reporting the event.

The PL reporting may be that the terminal reports the PL data after calculating the PL.

The event reporting may be that the PL calculated by the terminal is compared with the AL, and when the comparison result meets a preset condition, for example, after comparing the PL and the AL, a 1-bit (bit) information bit is used to indicate the integrity evaluation result of the positioning system, for example, a bit value of 1 indicates that PL is greater than AL, otherwise, a bit value of 0.

The above positioning method may be referred to the corresponding description of the above embodiment, and will not be repeated here.

The auxiliary data supported by the terminal in the positioning method may be an integrity auxiliary data list related to the corresponding positioning method and supported by the terminal; the auxiliary data supported by the terminal to be sent in the positioning method may be an integrity auxiliary data list related to the corresponding positioning method and supported by the terminal to be sent.

In this embodiment, since the LMF receives the positioning capability information from the terminal, decision and other operations of the positioning method can be performed according to the positioning capability information in the subsequent positioning process, so as to improve the positioning performance.

As an alternative embodiment, the method further comprises:

the LMF transmits first assistance data to the terminal, the first assistance data including at least one of:

the first concern event;

a third concern that may lead to an outside world with inaccurate positioning.

The second concern event may be a concern operation caused by the LMF that may make the positioning result inaccurate.

The third fear event described above may be a fear event that is not a device cause but is caused by external world and may cause inaccurate positioning results, such as noise, interference, and multipath.

In this embodiment, since the above-mentioned first assistance data is provided to the terminal, the terminal is facilitated to calculate PL of positioning integrity based on various concerns to more comprehensively evaluate the integrity of the positioning system. The specific calculation method may be referred to the corresponding description in the embodiment shown in fig. 4, which is not described herein. As an alternative embodiment, the method further comprises:

the LMF receives second assistance data from the terminal, the second assistance data comprising: a fourth concern event associated with the terminal that may lead to inaccurate positioning;

the LMF calculates a PL of positioning integrity based on the first concern event and the second assistance data.

The above-mentioned LMF calculating the PL of the positioning integrity based on the first worry event and the second assistance data may be the LMF combining the location information, the first worry event, the second assistance data, and a second worry event related to the LMF from itself that may cause positioning inaccuracy and a third worry event from the outside that may cause positioning inaccuracy, and calculating the PL of the integrity of the positioning system based on the relationship of KPIs and PLs of the positioning integrity. The specific calculation process may be determined by the LMF, or may be calculated by a protocol contract, or may be calculated by a subsequent algorithm implemented by the LMF, which is not limited thereto.

In this embodiment, the first concern event and the second assistance data are provided to the LMF, thereby facilitating the LMF to calculate PL of positioning integrity based on a plurality of concerns event to more fully assess the integrity of the positioning system.

Referring to fig. 3, fig. 3 is a flowchart of another event information transmission method provided in the embodiment of the present application, as shown in fig. 3, including the following steps:

step 301, an access network device receives a first message from an LMF, where the first message is used to request a first worry event that may cause inaccurate positioning, and the first worry event is an event related to the access network device;

Step 302, the access network device sends a second message to the LMF, where the second message includes the first fear event, and the first fear event is used to evaluate positioning integrity.

Optionally, the first concern event includes at least one of:

a fear event related to a transmitting receiving point TRP of the access network equipment;

the access network device signals measurements are correlated to worry events.

Optionally, the TRP-related fear event includes at least one of:

Optionally, the signal measurement related feared event includes at least one of:

time measurement corresponding to a positioning method, angle measurement corresponding to the positioning method and power measurement corresponding to the positioning method.

Optionally, the first message further includes: first time information;

the access network device sending a second message to the LMF, including:

in the case that the first worry event has a change in the time period represented by the first time information, the access network device sends the second message to the LMF, where the second message includes the changed first worry event.

Optionally, in a case where the first concern event includes a concern event related to a signal measurement result of the access network device, the time period represented by the first time information includes at least one of:

Optionally, in the case that the first fear event includes a fear event related to a transmission receiving point TRP of the access network device, the first message is: TRP information request message, the second message is: TRP information reply message.

Optionally, in the case that the first concern event comprises a concern event related to a signal measurement of the access network device, the first message comprises at least one of:

measurement request message, measurement activate message, measurement update message.

Optionally, the second message includes:

measurement report message, measurement deactivate message, measurement reply message.

It should be noted that, as an implementation manner of the access network device corresponding to the embodiment shown in fig. 2, a specific implementation manner of the embodiment may refer to a related description of the embodiment shown in fig. 2, so that in order to avoid repeated description, the embodiment is not repeated.

Referring to fig. 4, fig. 4 is a flowchart of another event information transmission method provided in the embodiment of the present application, as shown in fig. 4, including the following steps:

step 401, the terminal receives first assistance data from a location management function LMF, where the first assistance data includes at least one of the following:

a third concern that may lead to an outside world with inaccurate positioning.

Optionally, after receiving the first auxiliary data, the terminal calculates PL of positioning integrity based on the first auxiliary data and reports the PL to the LMF.

The PL for calculating the positioning integrity based on the first assistance data may be a PL for calculating the positioning integrity by combining the location information with the first assistance data and a fourth worry event from the terminal itself, which may cause inaccurate positioning.

Optionally, the method further comprises:

the terminal sends positioning capability information to the LMF, wherein the positioning capability information is used for indicating at least one of the following:

the method comprises the steps of reporting a positioning integrity result supported by the terminal, calculating the positioning integrity capability of the terminal in the positioning method, supporting received auxiliary data by the terminal in the positioning method, and supporting sent auxiliary data by the terminal in the positioning method, wherein the auxiliary data is used for assisting in positioning integrity calculation.

Optionally, the reporting mode of the positioning integrity result includes at least one of the following:

reporting a protection level PL of positioning integrity;

and reporting the event.

It should be noted that, as an implementation manner of the terminal corresponding to the embodiment shown in fig. 2, a specific implementation manner of the embodiment may refer to a related description of the embodiment shown in fig. 2, so that in order to avoid repetitive description, the embodiment is not repeated.

The following illustrates the method provided in the embodiments of the present application through a plurality of embodiments, specifically as follows:

embodiment one:

in this embodiment, the access network device sends, to the LMF, a fear event related to the configuration provided by the access network device, and when calculating the positioning integrity based on the terminal, the LMF sends, to the terminal, the fear event related to the configuration provided by the access network device, as shown in fig. 5, and may include the following steps:

0. a Location Server (LCS) client (LCS client) sends key performance indicators KPIs of Location integrity to an LMF; the LCS client may be a terminal, AMF or application server;

the lmf sends an NRPPa message (e.g., TRP INFORMATION REQUEST) to the access network device requesting information such as downlink positioning reference signal (DL-PRS) configuration.

Wherein the NRPPa message may include an indication requesting a first fear event and a first time period, and the access network device may update if the first fear event changes or updates within the first time period; beyond this length of time, the access network device does not need feedback even if it changes.

Wherein the first concern event is a concern event related to an access network device's own TRP, such as including at least one of the following:

the location of TRP;

synchronization inside TRP;

directional antenna information of TRP.

2. The access network device sends an NRPPa message (e.g., TRP INFORMATION RESPONSE) to the LMF, wherein the message contains information of the first concern event;

lmf sends LTE positioning protocol (LTE Positioning Protocol, LPP) message (e.g., request Capabilities) to terminal requesting positioning capability;

4. the terminal sends an LPP message (e.g., provide Capabilities) to the LMF to provide positioning capabilities including a first positioning capability, where the first positioning capability includes at least one of:

the ability of the terminal to calculate integrity in the positioning method;

a integrity auxiliary data list supported by the terminal to be received or/and transmitted in the positioning method;

mode of reporting integrity result by terminal:

The mode of reporting the integrity result may include at least one of:

PL reporting of positioning integrity;

event reporting (e.g., by comparing the sizes of PL and AL, indicating the integrity assessment of the positioning system with a 1bit information bit).

In this embodiment, the LMF may use terminal-based location calculation in conjunction with terminal capability decisions.

5. The terminal sends an LPP message (e.g., request Assistance Data) to the LMF containing a request for first assistance data including at least one of:

the first concern event;

LMF-related worry events;

external concerns (External feared event) (e.g., concerns due to noise, interference, and multipath).

The lmf sends an LPP message (e.g. Provide Assistance Data) to the terminal, containing said first assistance data;

the LMF sends LPP information (Request Location Information) to the terminal to provide key performance indicators KPIs of positioning integrity;

8. the terminal makes DL PRS measurements and performs position estimation. Combining the position information and the integrity auxiliary information and based on the relationship between KPI and PL, the terminal calculates the integrity protection level PL of the positioning system;

9. the terminal sends an LPP message (e.g., provide Location Information) to the LMF, including PL;

The lmf sends PL to LCS clients, which evaluate the integrity of the positioning system based on the sizes of PL and AL.

Embodiment two:

in this embodiment, the access network device sends to the LMF a fear event related to the configuration provided by the access network device, and a fear event related to the signal measurement on the access network device side, for use in calculating positioning integrity based on the LMF. In addition, in this embodiment, the LMF in combination with the terminal capability decision to use the LMF-based positioning calculation, as shown in fig. 6, may include the following steps:

an lcs client (e.g., UE, AMF, or location server) sends location integrity key performance indicators KPIs to the LMF;

the LMF sends NRPPa information (such as TRP INFORMATION REQUEST) to the access network equipment, requests DL-PRS configuration and other information;

2. the access network device sends an NRPPa message (e.g., TRP INFORMATION RESPONSE) to the LMF, wherein the NRPPa message contains information about a first worry event, and the first worry event is a worry event related to the TRP of the base station itself;

lmf sends LPP message (e.g. Request Capabilities) to terminal requesting location capability;

the ue sends an LPP message (e.g., provide Capabilities) to the LMF to provide positioning capabilities, including first positioning information including at least one of:

The ability of the UE to calculate integrity in the positioning method;

a list of integrity assistance data supported for reception or/and transmission by the UE in the positioning method;

mode of reporting integrity results by UE:

the mode of reporting the integrity result may include at least one of:

PL reporting of positioning integrity;

Lmf sends NRPPa message (e.g. POSITIONING INFORMATION REQUEST) to access network device;

6. the access network equipment decides uplink sounding reference signal (UL SRS) configuration;

6a, the access network equipment transmits UL SRS configuration to the terminal;

7. the access network device sends an NRPPa message (e.g., POSITIONING INFORMATION RESPONSE) to the LMF;

the LMF sends NRPPa information (such as POSITIONING ACTIVATION REQUEST) to the access network equipment, the access network equipment activates the terminal to send UL-SRS, and the access network equipment sends NRPPa information (such as POSITIONING ACTIVATION RESPONSE) to the LMF;

the lmf sends a first message to the access network device containing information requesting a second fear event, the first message including at least one of:

A measurement activation message (MEASUREMENT ACTIVATION);

a measurement request message (MEASUREMENT REQUEST);

a measurement update message (MEASUREMENT UPDATE);

an E-CID measurement initiation message (E-CID MEASUREMENT INITIATION REQUEST);

OTDOA) information request message (OTDOAINFORMATION REQUEST);

other messages are communicated between the LMF and the access network device.

In addition, the first message may further include a second time period, and if there is a change/update of the second worry event in the second time period, the access network device may update; beyond this length of time, the access network device does not need feedback even if it changes.

10. When the downlink positioning reference signal is related, the LMF and the terminal interact auxiliary data;

11. when the downlink positioning reference signal is involved, the LMF sends an LPP message (e.g., request Location Information) to the terminal requesting measurement results at the terminal side, including requesting second assistance data, where the second assistance data includes at least a terminal-related worry event;

12. the access network equipment performs UL-SRS measurement; when the downlink positioning reference signal is related, the terminal measures DL-PRS;

13. when the downlink positioning reference signal is involved, the terminal sends an LPP message (e.g., response Location Information) to the LMF, providing a measurement result at the terminal side, wherein the measurement result contains the requested second assistance data;

14. The access network device sends a second message to the LMF containing the provided information of the second fear event. The second message includes at least one of:

measuring a deactivation message (MEASUREMENT DEACTIVATION);

a measurement reply message (MEASUREMENT REPORT);

E-CID measurement report (E-CID MEASUREMENT REPORT);

an OTDOA information reply message (OTDOA INFORMATION RESPONSE);

other messages passed between the access network device and the LMF.

15. Combining the measurement result and integrity auxiliary information and based on the relationship between KPI and PL, LMF calculates the integrity PL of the positioning system;

In the embodiment of the application, in order to support positioning integrity calculation, the access network device sends a fear event related to the access network device to the LMF. In particular, if based on terminal-based calculations, the LMF will further send the worry event related to the access network device to the terminal.

Referring to fig. 7, fig. 7 is a block diagram of an event information transmission apparatus according to an embodiment of the present application, and as shown in fig. 7, an event information transmission apparatus 700 includes:

a first sending module 701, configured to send a first message to an access network device, where the first message is used to request a first worry event that may cause an inaccurate positioning result, and the first worry event is an event related to the access network device;

A first receiving module 702 is configured to receive a second message from the access network device, where the second message includes the first concerns event, and the first concerns event is used to evaluate positioning integrity.

Optionally, the first concern event includes at least one of:

the access network device signals measurements are correlated to worry events.

Optionally, the TRP-related fear event includes at least one of:

location of TRP, synchronization inside TRP, directional antenna information of TRP.

Optionally, the first message further includes: first time information;

the first receiving module 702 is configured to, in a case where there is a change in the first fear event within a period of time indicated by the first time information, receive, by the LMF, the second message from the access network device, where the second message includes the changed first fear event.

Optionally, the time period represented by the first time information includes at least one of the following:

Optionally, the second message includes at least one of:

Optionally, the apparatus further includes:

the second receiving module is used for receiving positioning capability information from the terminal, wherein the positioning capability information is used for indicating at least one of the following:

reporting a protection level PL of positioning integrity;

and reporting the event.

Optionally, the apparatus further includes:

the second sending module is used for sending first auxiliary data to the terminal, wherein the first auxiliary data comprises at least one of the following:

the first concern event;

a third concern that may lead to an outside world with inaccurate positioning.

Optionally, the method further comprises:

a third receiving module, configured to receive second auxiliary data from a terminal, where the second auxiliary data includes: a fourth concern event associated with the terminal that may lead to inaccurate positioning;

a calculation module for calculating PL of positioning integrity based on the first concerns event and the second assistance data.

The event information transmission device can improve the evaluation performance of positioning integrity.

The data packet processing device in the embodiment of the present application may be an electronic device, for example, an electronic device with an operating system, or may be a component in an electronic device, for example, an integrated circuit or a chip. The electronic device may be a network device.

The positioning device provided in this embodiment of the present application can implement each process implemented by the method embodiment shown in fig. 2, and achieve the same technical effects, so that repetition is avoided, and no further description is given here.

Referring to fig. 8, fig. 8 is a block diagram of another event information transmission apparatus according to an embodiment of the present application, and as shown in fig. 8, an event information transmission apparatus 800 includes:

a receiving module 801, configured to receive a first message from a location management function LMF, where the first message is used to request a first fear event that may cause inaccurate positioning, and the first fear event is an event related to the access network device;

a sending module 802 configured to send a second message to the LMF, the second message including the first concern event, wherein the first concern event is used to evaluate positioning integrity.

Optionally, the first concern event includes at least one of:

the access network device signals measurements are correlated to worry events.

Optionally, the TRP-related fear event includes at least one of:

Optionally, the first message further includes: first time information;

the sending module 802 is configured to send, in a case where the first fear event has changed within the time period indicated by the first time information, the second message to the LMF by the access network device, where the second message includes the changed first fear event.

Optionally, the second message includes:

The positioning device provided in this embodiment of the present application can implement each process implemented by the method embodiment shown in fig. 3, and achieve the same technical effects, so that repetition is avoided, and no further description is given here.

Referring to fig. 9, fig. 9 is a block diagram of another event information transmission apparatus according to an embodiment of the present application, and as shown in fig. 9, an event information transmission apparatus 900 includes:

a receiving module 901, configured to receive first assistance data from a location management function LMF, where the first assistance data includes at least one of:

a third concern that may lead to an outside world with inaccurate positioning.

Optionally, the apparatus further includes:

and the calculating module is used for calculating the protection level PL of the positioning integrity based on the first auxiliary data and reporting the PL to the LMF.

Optionally, the method further comprises:

a sending module, configured to send location capability information to the LMF, where the location capability information is used to indicate at least one of:

reporting a protection level PL of positioning integrity;

and reporting the event.

The event information transmission device in the embodiment of the present application may be an electronic device, for example, an electronic device with an operating system, or may be a component in an electronic device, for example, an integrated circuit or a chip. The electronic device may be a terminal, or may be other devices than a terminal. By way of example, the terminals may include, but are not limited to, the types of terminals listed in embodiments of the present application, other devices may be servers, network attached storage (Network Attached Storage, NAS), etc., and embodiments of the present application are not specifically limited.

The positioning device provided in this embodiment of the present application can implement each process implemented by the method embodiment shown in fig. 4, and achieve the same technical effects, so that repetition is avoided, and no further description is given here.

Optionally, as shown in fig. 10, the embodiment of the present application further provides a communication device 1000, including a processor 1001 and a memory 1002, where the memory 1002 stores a program or an instruction that can be executed on the processor 1001, for example, when the communication device 1000 is an LMF, the program or the instruction is executed by the processor 1001 to implement the steps of the event information transmission method embodiment of the LMF, and achieve the same technical effects. When the communication device 1000 is an access network device, the program or the instruction, when executed by the processor 1001, implements the steps of the embodiment of the event information transmission method on the access network device side, and can achieve the same technical effects. When the communication device 1000 is a terminal, the program or the instruction, when executed by the processor 1001, implements the steps of the embodiment of the method for transmitting event information on the terminal side, and can achieve the same technical effects, so that repetition is avoided, and no further description is given here.

The embodiment of the application also provides an LMF, which comprises a processor and a communication interface, wherein the communication interface is used for sending a first message to access network equipment, the first message is used for requesting a first worry event which can cause inaccurate positioning result, and the first worry event is an event related to the access network equipment; a second message is received from the access network device, the second message including the first fear event, wherein the first fear event is used to evaluate positioning integrity. The LMF embodiment corresponds to the LMF side method embodiment, and each implementation process and implementation manner of the method embodiment are applicable to the LMF embodiment, and the same technical effects can be achieved. Specifically, fig. 11 is a schematic diagram of a hardware structure of an LMF implementing an embodiment of the present application.

Specifically, the LMF1100 includes: a processor 1101, a network interface 1102, and a memory 1103. The network interface 1102 is, for example, a common public radio interface (common public radio interface, CPRI).

Specifically, the LMF1100 of the embodiment of the present invention further includes: instructions or programs stored in the memory 1103 and capable of running on the processor 1101, the processor 1101 calls the instructions or programs in the memory 1103 to execute the method executed by each module shown in fig. 13, and achieve the same technical effects, so that repetition is avoided, and therefore, the description is omitted herein.

The network interface 1102 is configured to send a first message to an access network device, where the first message is used to request a first worry event that may cause an inaccurate positioning result, and the first worry event is an event related to the access network device; a second message is received from the access network device, the second message including the first fear event, wherein the first fear event is used to evaluate positioning integrity.

Optionally, the first concern event includes at least one of:

the access network device signals measurements are correlated to worry events.

Optionally, the TRP-related fear event includes at least one of:

Optionally, the first message further includes: first time information;

The receiving a second message from the access network device includes:

receiving the second message from the access network device in the case that the first worry event has changed within the time period represented by the first time information, the second message including the changed first worry event.

Optionally, the second message includes at least one of:

Optionally, the network interface 1102 is further configured to:

receiving positioning capability information from a terminal, wherein the positioning capability information is used for indicating at least one of the following:

reporting a protection level PL of positioning integrity;

and reporting the event.

Optionally, the network interface 1102 is further configured to:

transmitting first auxiliary data to the terminal, wherein the first auxiliary data comprises at least one of the following:

the first concern event;

a third concern that may lead to an outside world with inaccurate positioning.

Optionally, the network interface 1102 is further configured to:

Receiving second assistance data from the terminal, the second assistance data comprising: a fourth concern event associated with the terminal that may lead to inaccurate positioning;

PL of positioning integrity is calculated based on the first concern event and the second assistance data.

The above LMF may improve the performance of the assessment of positioning integrity.

Specifically, the embodiment of the application also provides access network equipment. As shown in fig. 12, the access network apparatus 1200 includes: an antenna 1201, a radio frequency device 1202, a baseband device 1203, a processor 1204, and a memory 1205. The antenna 1201 is connected to a radio frequency device 1202. In the uplink direction, the radio frequency device 1202 receives information via the antenna 1201 and transmits the received information to the baseband device 1203 for processing. In the downlink direction, the baseband device 1203 processes information to be transmitted, and transmits the processed information to the radio frequency device 1202, and the radio frequency device 1202 processes the received information and transmits the processed information through the antenna 1201.

The method performed by the access network device in the above embodiment may be implemented in the baseband apparatus 1203, which baseband apparatus 1203 comprises a baseband processor.

The baseband device 1203 may, for example, include at least one baseband board, where a plurality of chips are disposed, as shown in fig. 12, where one chip, for example, a baseband processor, is connected to the memory 1205 through a bus interface, so as to call a program in the memory 1205 to perform the network device operation shown in the above method embodiment.

The access network device may also include a network interface 1206, such as a common public radio interface (common public radio interface, CPRI).

The embodiment of the application also provides access network equipment, which comprises a processor and a communication interface, wherein the communication interface is used for receiving a first message from a Location Management Function (LMF), the first message is used for requesting a first worry event which can cause inaccurate location, and the first worry event is an event related to the access network equipment; and sending a second message to the LMF, the second message including the first concern event, wherein the first concern event is used to evaluate positioning integrity. The embodiment of the access network device corresponds to the embodiment of the method at the access network device side, and each implementation process and implementation manner of the embodiment of the method can be applied to the embodiment of the access network device, and the same technical effects can be achieved.

Specifically, the access network device 1200 of the embodiment of the present invention further includes: instructions or programs stored in the memory 1205 and executable on the processor 1204, the processor 1204 invokes the instructions or programs in the memory 1205 to perform the method performed by the modules shown in fig. 9 and achieve the same technical effects, and are not described herein in detail for the sake of avoiding repetition.

The radio frequency device 1202 is configured to receive a first message from a location management function LMF, where the first message is used to request a first fear event that may cause inaccurate positioning, and the first fear event is an event related to the access network device; and sending a second message to the LMF, the second message including the first concern event, wherein the first concern event is used to evaluate positioning integrity.

Optionally, the first concern event includes at least one of:

the access network device signals measurements are correlated to worry events.

Optionally, the TRP-related fear event includes at least one of:

Optionally, the first message further includes: first time information;

the sending a second message to the LMF includes:

And in the case that the first worry event has a change in the time period represented by the first time information, sending the second message to the LMF, wherein the second message comprises the changed first worry event.

Optionally, the second message includes:

The access network device can improve the evaluation performance of positioning integrity.

The embodiment of the application also provides a terminal, which comprises a processor and a communication interface, wherein the communication interface is used for receiving first auxiliary data from a Location Management Function (LMF), and the first auxiliary data comprises at least one of the following: a first concern event associated with access network devices that may lead to inaccurate positioning; a second concern event associated with the LMF that may lead to inaccurate positioning; a third concern that may lead to an outside world with inaccurate positioning. The terminal embodiment corresponds to the terminal-side method embodiment, and each implementation process and implementation manner of the method embodiment can be applied to the terminal embodiment, and the same technical effects can be achieved.

Specifically, the embodiment of the application also provides a terminal. The terminal 1300 includes, but is not limited to: at least some of the components of the radio frequency unit 1301, the network module 1302, the audio output unit 1303, the input unit 1304, the sensor 1305, the display unit 1306, the user input unit 1307, the interface unit 1308, the memory 1309, the processor 1310, and the like.

Those skilled in the art will appreciate that the terminal 1300 may further include a power source (e.g., a battery) for supplying power to the various components, and the power source may be logically connected to the processor 1310 through a power management system, so as to perform functions of managing charging, discharging, and power consumption management through the power management system. The terminal structure shown in fig. 13 does not constitute a limitation of the terminal, and the terminal may include more or less components than shown, or may combine certain components, or may be arranged in different components, which will not be described in detail herein.

It should be understood that in the embodiment of the present application, the input unit 1304 may include a graphics processing unit (Graphics Processing Unit, GPU) 13041 and a microphone 13042, and the graphics processing unit 13041 processes image data of still pictures or videos obtained by an image capturing device (such as a camera) in a video capturing mode or an image capturing mode. The display unit 1306 may include a display panel 13061, and the display panel 13061 may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like. The user input unit 1307 includes at least one of a touch panel 13071 and other input devices 13072. The touch panel 13071 is also referred to as a touch screen. The touch panel 13071 can include two parts, a touch detection device and a touch controller. Other input devices 13072 may include, but are not limited to, a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, a joystick, and so forth, which are not described in detail herein.

In this embodiment, after receiving downlink data from the network device, the radio frequency unit 1301 may transmit the downlink data to the processor 1310 for processing; in addition, rf unit 1301 may send uplink data to a network device. Typically, the radio unit 1301 includes, but is not limited to, an antenna, an amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.

Memory 1309 may be used to store software programs or instructions and various data. The memory 1309 may mainly include a first memory area storing programs or instructions and a second memory area storing data, wherein the first memory area may store an operating system, application programs or instructions (such as a sound playing function, an image playing function, etc.) required for at least one function, and the like. Further, the memory 1309 may include volatile memory or nonvolatile memory, or the memory 1309 may include both volatile and nonvolatile memory. The nonvolatile Memory may be a Read-Only Memory (ROM), a Programmable ROM (PROM), an Erasable PROM (EPROM), an Electrically Erasable EPROM (EEPROM), or a flash Memory. The volatile memory may be random access memory (Random Access Memory, RAM), static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double Data Rate SDRAM (ddr SDRAM), enhanced SDRAM (Enhanced SDRAM), synchronous DRAM (SLDRAM), and Direct RAM (DRRAM). Memory 1309 in embodiments of the present application includes, but is not limited to, these and any other suitable types of memory.

The processor 1310 may include one or more processing units; optionally, processor 1310 integrates an application processor that primarily handles operations related to the operating system, user interface, and applications, and a modem processor that primarily handles wireless communication signals, such as a baseband processor. It will be appreciated that the modem processor described above may not be integrated into the processor 1310.

The radio frequency unit 1301 is configured to receive, by a terminal, first assistance data from a location management function LMF, where the first assistance data includes at least one of:

a third concern that may lead to an outside world with inaccurate positioning.

Optionally, the processor 1310 is configured to:

and calculating a protection level PL of positioning integrity based on the first auxiliary data, and reporting the PL to the LMF.

Optionally, the radio frequency unit 1301 is further configured to:

transmitting location capability information to the LMF, the location capability information being used to indicate at least one of:

reporting a protection level PL of positioning integrity;

and reporting the event.

The terminal can improve the evaluation performance of positioning integrity.

The embodiment of the application also provides a readable storage medium, on which a program or an instruction is stored, where the program or the instruction implements the steps of the event information transmission method on the LMF side provided in the embodiment of the application when being executed by a processor, or the program or the instruction implements the steps of the event information transmission method on the access network device side provided in the embodiment of the application when being executed by a processor, or the program or the instruction implements the steps of the event information transmission method on the terminal side provided in the embodiment of the application when being executed by a processor.

Wherein the processor is a processor in the terminal described in the above embodiment. The readable storage medium includes computer readable storage medium such as computer readable memory ROM, random access memory RAM, magnetic or optical disk, etc.

The embodiment of the application further provides a chip, the chip includes a processor and a communication interface, the communication interface is coupled with the processor, and the processor is configured to run a program or an instruction, implement each process of the above event information transmission method embodiment, and achieve the same technical effect, so that repetition is avoided, and no further description is provided here.

It should be understood that the chips referred to in the embodiments of the present application may also be referred to as system-on-chip chips, or the like.

The embodiments of the present application further provide a computer program/program product, where the computer program/program product is stored in a storage medium, and the computer program/program product is executed by at least one processor to implement each process of the above-mentioned event information transmission method embodiment, and the same technical effects can be achieved, so that repetition is avoided, and details are not repeated herein.

The embodiment of the application provides an event information transmission system, which comprises: the method comprises an LMF, access network equipment and a terminal, wherein the LMF can be used for executing steps of an event information transmission method at the LMF side, the access network equipment can be used for executing steps of the event information transmission method at the access network equipment side, and the terminal can be used for executing steps of the event information transmission method at the terminal side.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Furthermore, it should be noted that the scope of the methods and apparatus in the embodiments of the present application is not limited to performing the functions in the order shown or discussed, but may also include performing the functions in a substantially simultaneous manner or in an opposite order depending on the functions involved, e.g., the described methods may be performed in an order different from that described, and various steps may also be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

From the above description of the embodiments, it will be clear to those skilled in the art that the above-described embodiment method may be implemented by means of software plus a necessary general hardware platform, but of course may also be implemented by means of hardware, but in many cases the former is a preferred embodiment. Based on such understanding, the technical solutions of the present application may be embodied essentially or in a part contributing to the prior art in the form of a computer software product stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk), comprising several instructions for causing a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) to perform the method described in the embodiments of the present application.

The embodiments of the present application have been described above with reference to the accompanying drawings, but the present application is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those of ordinary skill in the art without departing from the spirit of the present application and the scope of the claims, which are also within the protection of the present application.

Claims

1. An event information transmission method, comprising:

the method comprises the steps that a Location Management Function (LMF) sends a first message to access network equipment, wherein the first message is used for requesting a first worry event which can cause inaccurate positioning results, and the first worry event is an event related to the access network equipment;

2. The method of claim 1, wherein the first concern event comprises at least one of:

the access network device signals measurements are correlated to worry events.

3. The method of claim 2, wherein the TRP-related fear event comprises at least one of:

4. The method of claim 2, wherein the signal measurement related concern event comprises at least one of:

the method comprises the steps of time measurement corresponding to a positioning method, angle measurement corresponding to the positioning method and power measurement corresponding to the positioning method, wherein the positioning method is used for positioning a terminal.

5. The method of claim 1, wherein the first message further comprises: first time information;

the LMF receiving a second message from the access network device, comprising:

6. The method of claim 5, wherein the time period represented by the first time information comprises at least one of:

7. The method of claim 2, wherein, in the case where the first fear event comprises a fear event related to a transmission reception point TRP of the access network device, the first message is: TRP information request message, the second message is: TRP information reply message.

8. The method of claim 2, wherein, in the event that the first concern event comprises a concern event related to a signal measurement by the access network device, the first message comprises at least one of:

9. The method of claim 8, wherein the second message comprises at least one of:

10. The method of any one of claims 1 to 9, wherein the method further comprises:

11. The method of claim 10, wherein the reporting mode of the positioning integrity result comprises at least one of:

reporting a protection level PL of positioning integrity;

and reporting the event.

12. The method of any one of claims 1 to 9, wherein the method further comprises:

the first concern event;

a third concern that may lead to an outside world with inaccurate positioning.

13. The method of any one of claims 1 to 9, wherein the method further comprises:

14. An event information transmission method, comprising:

the access network equipment receives a first message from a Location Management Function (LMF), wherein the first message is used for requesting a first worry event which can cause inaccurate positioning, and the first worry event is an event related to the access network equipment;

15. The method of claim 14, wherein the first concern event comprises at least one of:

the access network device signals measurements are correlated to worry events.

16. The method of claim 15, wherein the TRP-related fear event comprises at least one of:

17. The method of claim 15, wherein the signal measurement related concern event comprises at least one of:

18. The method of claim 14, wherein the first message further comprises: first time information;

the access network device sending a second message to the LMF, including:

19. The method of claim 18, wherein the time period represented by the first time information comprises at least one of:

20. The method of claim 15, wherein, in the case where the first fear event comprises a transmit receive point, TRP, related fear event of the access network device, the first message is: TRP information request message, the second message is: TRP information reply message.

21. The method of claim 15, wherein, in the event that the first concern event comprises a concern event related to a signal measurement by the access network device, the first message comprises at least one of:

22. The method of claim 21, wherein the second message comprises:

23. An event information transmission method, comprising:

a third concern that may lead to an outside world with inaccurate positioning.

24. The method of claim 23, wherein the method further comprises:

the terminal calculates a protection level PL of positioning integrity based on the first assistance data and reports the PL to the LMF.

25. The method of claim 23 or 24, wherein the method further comprises:

26. The method of claim 25, wherein the reporting mode of the positioning integrity result comprises at least one of:

reporting a protection level PL of positioning integrity;

and reporting the event.

27. An event information transmission apparatus, comprising:

28. An event information transmission apparatus, comprising:

a receiving module, configured to receive a first message from a location management function LMF, where the first message is used to request a first worry event that may cause inaccurate positioning, and the first worry event is an event related to an access network device;

29. An event information transmission apparatus, comprising:

a third concern that may lead to an outside world with inaccurate positioning.

30. A location management function, LMF, comprising a processor and a memory storing a program or instructions executable on the processor, which when executed by the processor, implement the steps of the event information transmission method of any of claims 1 to 13.

31. An access network device comprising a processor and a memory storing a program or instructions executable on the processor, which when executed by the processor, implement the steps of the event information transmission method of any of claims 14 to 22.

32. A terminal comprising a processor and a memory storing a program or instructions executable on the processor, which when executed by the processor, implement the steps of the event information transmission method of any of claims 23 to 26.

33. A readable storage medium, wherein a program or an instruction is stored on the readable storage medium, which when executed by a processor implements the steps of the event information transmission method according to any one of claims 1 to 13, or which when executed by a processor implements the steps of the event information transmission method according to any one of claims 14 to 22, or which when executed by a processor implements the steps of the event information transmission method according to any one of claims 23 to 26.