WO2024027580A1

WO2024027580A1 - Event information transmission method, lmf, access network device, and terminal

Info

Publication number: WO2024027580A1
Application number: PCT/CN2023/109772
Authority: WO
Inventors: 李媛; 潘翔; 张宏平
Original assignee: 维沃移动通信有限公司
Priority date: 2022-08-03
Filing date: 2023-07-28
Publication date: 2024-02-08
Also published as: CN117560301A

Abstract

The present application relates to the technical field of communications, and discloses an event information transmission method, an LMF, an access network device, and a terminal. The event information transmission method in embodiments of the present application comprises: an LMF sends a first message to an access network device, the first message being used for requesting for a first worrying event that may cause an inaccurate positioning result, and the first worrying event being an event related to the access network device; and the LMF receives a second message from the access network device, the second message comprising the first worrying event, and the first worrying event being used for evaluating positioning integrity.

Description

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

Cross-references to related applications

This application claims priority to Chinese Patent Application No. 202210929476.8 filed in China on August 3, 2022, the entire content of which is incorporated herein by reference.

Technical field

This application belongs to the field of communication technology, and specifically relates to an event information transmission method, location management function (LMF), access network equipment and terminals.

Background technique

Positioning integrity has been introduced in some communication systems, where positioning integrity is used to evaluate the accuracy of location-related data provided by the positioning system. However, the evaluation of positioning integrity is currently only implemented in the satellite positioning method. It can be seen that the current evaluation performance of positioning integrity is relatively poor.

Contents of the invention

Embodiments of the present application provide an event information transmission method, LMF, access network equipment and terminal, which can improve the problem of poor positioning integrity evaluation performance.

The first aspect provides an event information transmission method, including:

The LMF sends a first message to the access network device, where the first message is used to request a first worrying event that may lead to inaccurate positioning results, and the first worrying event is an event related to the access network device;

The LMF receives a second message from the access network device, where the second message includes the first worrying event, where the first worrying event is used to evaluate positioning integrity.

The second aspect provides an event information transmission method, including:

The access network device receives a first message from the LMF, the first message is used to request a first worrying event that may lead to inaccurate positioning, and the first worrying event is an event related to the access network device;

The access network device sends a second message to the LMF, where the second message includes the first worrying event, where the first worrying event is used to evaluate positioning integrity.

The third aspect provides an event information transmission method, including:

The terminal receives first auxiliary data from the location management function LMF, where the first auxiliary data includes at least one of the following:

The first worrying event related to access network equipment that may lead to inaccurate positioning;

The second worrying event related to the LMF that may lead to inaccurate positioning;

Third worrying events from the outside world that may lead to inaccurate positioning.

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

The first sending module is configured to send a first message to the access network device, where the first message is used to request a first worrying event that may lead to inaccurate positioning results, and the first worrying event is the access network device. Device-related events;

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

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

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

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

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

A receiving module, configured to receive first auxiliary data from the location management function LMF, where the first auxiliary data includes at least one of the following:

In a seventh aspect, an LMF is provided, including a processor and a memory. The memory stores programs or instructions that can be run on the processor. When the programs or instructions are executed by the processor, the embodiments of the present application are implemented. Provides the steps of the event information transmission method on the LMF side.

In an eighth aspect, an LMF is provided, including a processor and a communication interface, wherein the communication interface is used to send a first message to the access network device, and the first message is used to request information that may lead to inaccurate positioning results. A first worrying event, and the first worrying event is an event related to the access network device; receiving a second message from the access network device, the second message including the first worrying event, wherein , the first worrying event is used to evaluate positioning integrity.

In a ninth aspect, an access network device is provided, including a processor and a memory. The memory stores programs or instructions that can be run on the processor. When the program or instructions are executed by the processor, the present invention is implemented. The steps of the event information transmission method on the access network device side provided by the application embodiment.

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

In an eleventh aspect, a terminal is provided, including a processor and a memory. The memory stores programs or instructions that can be run on the processor. When the program or instructions are executed by the processor, implementation of the present application is implemented. The example provides the steps of the event information transmission method on the terminal side.

In a twelfth aspect, a terminal is provided, including a processor and a communication interface, wherein the communication interface is used to connect Receive first auxiliary data from the location management function LMF, the first auxiliary data including at least one of the following: the first worrying event related to the access network equipment that may cause inaccurate positioning; the LMF that may cause inaccurate positioning Relevant secondary worrying events; external third worrying events that may lead to inaccurate positioning.

In a thirteenth aspect, a readable storage medium is provided. Programs or instructions are stored on the readable storage medium. When the programs or instructions are executed by a processor, the event information transmission method on the LMF side provided by the embodiment of the present application is implemented. or, when the program or instructions are executed by the processor, the steps of the event information transmission method on the access network device side provided by the embodiments of the present application are implemented; or, when the program or instructions are executed by the processor, the steps of the present application are implemented. The embodiment provides steps of an event information transmission method on the terminal side.

In a fourteenth aspect, a chip is provided. The chip includes a processor and a communication interface. The communication interface is coupled to the processor. The processor is used to run a program or instructions to implement the LMF side provided by the embodiment of the present application. The event information transmission method, or the processor is used to run a program or instructions to implement the event information transmission method on the access network device side provided by the embodiment of the present application, or the processor is used to run a program or instructions to implement the implementation of the present application The example provides the event information transmission method on the terminal side.

In a fifteenth aspect, a computer program/program product is provided, 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 the methods provided by the embodiments of the present application. The steps of the event information transmission method on the LMF side, or the computer program/program product is 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 embodiment of the present application, or, the The computer program/program product is executed by at least one processor to implement the steps of the terminal-side event information transmission method provided by the embodiments of the present application.

In a sixteenth aspect, an event information transmission system is provided, including: an LMF, an access network device, and a terminal. The LMF can be used to perform the steps of the event information transmission method on the LMF side provided by the embodiment of the present application. The network access device may be configured to perform the steps of the event information transmission method on the access network device side provided by the embodiments of the present application, and the terminal may be configured to perform the steps of the event information transmission method on the terminal side provided by the embodiments of the present application.

In this embodiment of the present application, the LMF sends a first message to the access network device. The first message is used to request a first worrying event that may lead to inaccurate positioning results, and the first worrying event is the access network device. Events related to network equipment; the LMF receives a second message from the access network equipment, the second message includes the first worrying event, where the first worrying event is used to evaluate positioning integrity. In this way, since the worrying events related to the access network equipment are transmitted between the LMF and the access network equipment, it is possible to consider the worrying events related to the access network equipment when evaluating the positioning integrity, thereby improving the evaluation performance of the positioning integrity. .

Description of the drawings

Figure 1 is a block diagram of a wireless communication system applicable to the embodiment of the present application;

Figure 2 is a flow chart of an event information transmission method provided by an embodiment of the present application;

Figure 3 is a flow chart of another event information transmission method provided by an embodiment of the present application;

Figure 4 is a flow chart of another event information transmission method provided by an embodiment of the present application;

Figure 5 is a schematic diagram of an event information transmission method provided by an embodiment of the present application;

Figure 6 is a schematic diagram of another event information transmission method provided by an embodiment of the present application;

Figure 7 is a structural diagram of an event information transmission device provided by an embodiment of the present application;

Figure 8 is a structural diagram of another event information transmission device provided by an embodiment of the present application;

Figure 9 is a structural diagram of another event information transmission device provided by an embodiment of the present application;

Figure 10 is a structural diagram of a communication device provided by an embodiment of the present application;

Figure 11 is a structural diagram of an LMF provided by an embodiment of the present application;

Figure 12 is a structural diagram of an access network device provided by an embodiment of the present application;

Figure 13 is a structural diagram of a terminal provided by an embodiment of the present application.

Detailed ways

The technical solutions in the embodiments of the present application will be clearly described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art fall within the scope of protection of this application.

The terms "first", "second", etc. in the description and claims of this application are used to distinguish similar objects and are not used to describe a specific order or sequence. It is to be understood that the terms so used are interchangeable under appropriate circumstances so that the embodiments of the present application can be practiced in sequences other than those illustrated or described herein, and that "first" and "second" are distinguished objects It is usually one type, and the number of objects is not limited. For example, the first object can be one or multiple. In addition, "and/or" in the description and claims indicates at least one of the connected objects, and the character "/" generally indicates that the related objects are in an "or" relationship.

It is worth pointing out that the technology described in the embodiments of this application is not limited to Long Term Evolution (LTE)/LTE Evolution (LTE-Advanced, LTE-A) systems, and can also be used in other wireless communication systems, such as code Code Division Multiple Access (CDMA), Time Division Multiple Access (TDMA), Frequency Division Multiple Access (FDMA), Orthogonal Frequency Division Multiple Access, OFDMA), Single-carrier Frequency Division Multiple Access (SC-FDMA) and other systems. The terms "system" and "network" in the embodiments of this application are often used interchangeably, and the described technology can be used not only for the above-mentioned systems and radio technologies, but also for other systems and radio technologies. The following description describes a New Radio (NR) system for example purposes, and NR terminology is used in much of the following description, but these techniques can also be applied to applications other than NR system applications, such as 6th ^generation Generation, 6G) communication system.

Figure 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 side device 12. The terminal 11 may be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer), or a notebook computer, a personal digital assistant (Personal Digital Assistant, PDA), a palmtop computer, a netbook, or a super mobile personal computer. (ultra-mobile personal computer, UMPC), mobile Internet device (Mobile Internet Device, MID), augmented reality (AR)/virtual reality Real (virtual reality, VR) equipment, robots, wearable devices (Wearable Devices), vehicle user equipment (VUE), pedestrian terminals (Pedestrian User Equipment, PUE), smart homes (home equipment with wireless communication functions , such as refrigerators, TVs, washing machines or furniture, etc.), game consoles, personal computers (PCs), teller machines or self-service machines and other terminal-side devices. Wearable devices include: smart watches, smart bracelets, smart headphones, smart phones, etc. Glasses, smart jewelry (smart bracelets, smart bracelets, smart rings, smart necklaces, smart anklets, smart anklets, etc.), smart wristbands, smart clothing, etc. It should be noted that the embodiment of the present application does not limit the specific type of the terminal 11. The network side device 12 may include an access network device or a core network device, where the access network device may also be called a radio access network device, a radio access network (Radio Access Network, RAN), a radio access network function or a wireless access network unit. Access network equipment may include a base station, a Wireless Local Area Network (WLAN) access point or a WiFi node, etc. The base station may be called a Node B, an Evolved Node B (eNB), an access point, a base transceiver station ( Base Transceiver Station (BTS), radio base station, radio transceiver, Basic Service Set (BSS), Extended Service Set (ESS), home B-node, home evolved B-node, transmitting and receiving point ( Transmitting Receiving Point (TRP) or some other appropriate term in the field, as long as the same technical effect is achieved, the base station is not limited to specific technical terms. It should be noted that in the embodiment of this application, only in the NR system The base station is introduced as an example, and the specific type of base station is not limited. The core network equipment may include but is not limited to at least one of the following: core network node, core network function, mobility management entity (Mobility Management Entity, MME), access mobility management function (Access and Mobility Management Function, AMF), session management function (Session Management Function, SMF), User Plane Function (UPF), Policy Control Function (PCF), Policy and Charging Rules Function (PCRF), Edge Application Service Discovery function (Edge Application Server Discovery Function, EASDF), Unified Data Management (UDM), Unified Data Repository (UDR), Home Subscriber Server (HSS), centralized network configuration ( Centralized network configuration (CNC), Network Repository Function (NRF), Network Exposure Function (NEF), Local NEF (Local NEF, or L-NEF), Binding Support Function (Binding Support Function, BSF), application function (Application Function, AF), etc. It should be noted that in the embodiment of this application, only the core network equipment in the NR system is used as an example for introduction, and the specific type of the core network equipment is not limited.

In addition, the above system may also include an LMF, or the core network equipment may include an LMF.

In the embodiment of this application, positioning integrity is used to evaluate the accuracy of location-related data provided by the positioning system, and when the system does not meet the requirements, timely and credible warnings can be provided to customers requesting location services.

In the implementation of this application, the client (LCS client) requesting the location service can provide the integrity key performance indicators (integrity Key Performance Indicators, integrity KPIs) it requires. Integrity KPIs can include at least one of the following:

Target Integrity Risk (TIR), Alert Limit (AL), Alert Time Limit (Time-to-Alert, TTA)

Among them, TIR can be: within the required TTA, the upper limit of the probability that the positioning error exceeds AL without issuing a warning to the user.

AL can be: the maximum positioning error allowed by the positioning system for the expected positioning service.

TTA can be: the maximum allowed time from when the positioning error exceeds AL until the function providing positioning integrity issues a corresponding alarm.

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

In the embodiment of the present application, a feared event may be an event that may cause the calculated position to deviate from the real position (for example, a natural, man-made, system or operational event).

The event information transmission method, LMF, access network equipment and terminal provided by the embodiments of the present application will be described in detail below with reference to the accompanying drawings through some embodiments and application scenarios.

Please refer to Figure 2. Figure 2 is a flow chart of an event information transmission method provided by an embodiment of the present application. As shown in Figure 2, it includes the following steps:

Step 201: The LMF sends a first message to the access network device. The first message is used to request a first worrying event that may lead to inaccurate positioning results, and the first worrying event is related to the access network device. event.

The above-mentioned first message is used for the above-mentioned LMF to request the access network device to worry about events related to the access network device.

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

Step 202: The LMF receives a second message from the access network device, where the second message includes the first worrying event, where the first worrying event is used to evaluate positioning integrity.

The above-mentioned second message is a reply message sent by the above-mentioned access network device to the LMF after receiving the above-mentioned first message.

The second message may include all or part of the worrying event related to the access network device, and may include event information of the first worrying event. The event information may be description information of the worrying event, or parameter information of the worrying event, etc.

The above-mentioned first worrying event may be used to evaluate the positioning integrity by using the above-mentioned LMF to evaluate the positioning integrity, or may be used by the terminal to evaluate the positioning integrity.

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

The above evaluation of positioning integrity may be, for the positioning system, evaluating the positioning integrity of the positioning system based on a certain positioning process performed on the terminal.

In the embodiment of the present application, the above steps can be used to transfer the worry events related to the access network equipment between the LMF and the access network equipment, thereby supporting the consideration of the worry events related to the access network equipment when evaluating the positioning integrity. This can improve the evaluation performance of positioning integrity, and also enable positioning integrity to be more comprehensively evaluated and monitored.

As an optional implementation, the first worrying event includes at least one of the following:

Worrying events related to TRP of the access network equipment;

Worrying events related to the signal measurement results of the access network equipment.

The above-mentioned TRP-related worrying events may be worrying events caused by TRP that may cause inaccurate positioning results.

For example: the above TRP-related worrying events may include at least one of the following:

The location of the TRP, the synchronization within the TRP, and the beam directional antenna information of the TRP.

The above-mentioned TRP location may be the geographical location coordinates of one or more TRPs of the above-mentioned access network device, or the relative positions between multiple TRPs; the above-mentioned synchronization within the TRP may be the multiple TRPs of the above-mentioned access network device. The synchronization information between them, such as time synchronization information block (Synchronization Signal Block, SSB) configuration; the beam directional antenna information of the above-mentioned TRP can be the beam antenna angle of one or more TRPs of the above-mentioned access network equipment.

At least one of the above-mentioned TRP-related worrying events includes the location of the TRP, the synchronization within the TRP, and the beam directional antenna information of the TRP. The causes of the TRP-related worrying events include the location of the TRP, the internal synchronization of the TRP, and the At least one item of beam directional antenna information.

The worrying events related to the above signal measurement results may be worrying events that may cause inaccurate positioning results due to signal measurement results measured by the access network equipment.

For example: the worrying events related to the above signal measurement results may include at least one of the following:

Time measurement corresponding to the positioning method, angle measurement corresponding to the positioning method, and power measurement corresponding to the positioning method. The positioning method is a method for positioning the terminal.

The above positioning method may be a method used to position the above terminal. Specifically, it may be one of multiple positioning methods supported by the terminal. In this way, the effect of delivering worried events can be achieved using the positioning method as the granularity.

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

The angle measurement corresponding to the above positioning method can be the angle measurement result corresponding to the above positioning method, such as angle of arrival (angle of arrival, AoA) and angle of departure (angle of departure, AoD).

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

The worrying event related to the signal measurement result includes at least one of the above-mentioned positioning methods. The cause of the worrying event related to the signal measurement result includes at least one of the above-mentioned positioning methods.

As an optional implementation, the first message also includes: first time information;

The LMF receives a second message from the access network device, including:

When the first worrying event changes within the time period represented by the first time information, the LMF receives the second message from the access network device, where the second message includes the changed The first feared event.

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

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

The first length of time before the access network equipment performs positioning measurements;

The second duration after the access network equipment performs positioning measurements;

The third time period after the access network device receives the first message.

Through at least one of the above durations, the access network device can send the currently changed concern event to the LMF.

The above-mentioned change in the first worrying event within the time period represented by the first time information may be that there is a change in the event information of some or all events of the first worrying event in the time period.

In this embodiment, when the worry event changes, the changed worry event can be sent. Even if the worry event changes after the above time period, the worry event does not need to be sent to save transmission resources.

As an optional implementation manner, in the case where the first worrying event includes a TRP-related worrying event of the access network device, the first message is: TRP information request message (TRP INFORMATION REQUEST), The second message is: TRP information reply message (TRP INFORMATION RESPONSE).

In this embodiment, it is possible to realize the transmission of worry events between the LMF and the access network device based on the TRP information request message and the TRP information reply message, so as to avoid introducing additional messages and achieve the effect of saving transmission resources.

As an optional implementation manner, in the case where the first worrying event includes a worrying event related to the signal measurement result of the access network device, the first message includes at least one of the following:

Measurement request message (MEASUREMENT REQUEST), measurement activation message (MEASUREMENT ACTIVATION), measurement update message (MEASUREMENT UPDATE).

In this implementation manner, it is possible to obtain worrying events related to the access network equipment through at least one of the above message requests.

In some implementations, the above-mentioned second message includes at least one of the following:

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

In some implementations, the above-mentioned first message may include:

Enhanced positioning based on cell identity (Enhanced Cell-ID, E-CID) measurement initiation message (E-CID MEASUREMENT INITIATION REQUEST); or

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

The above 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 transmitted between the LMF and the access network device.

As an optional implementation, the method further includes:

The LMF receives positioning capability information from the terminal, and the positioning capability information is used to indicate at least one of the following:

The reporting mode of positioning integrity results supported by the terminal, and the calculation of positioning integrity by the terminal in the positioning method capabilities, the terminal supports receiving auxiliary data in the positioning method, the terminal supports sending auxiliary data in the positioning method, the auxiliary data is data used to assist positioning integrity calculation, the The positioning method is a method for positioning the terminal.

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

PL reporting of positioning integrity;

Incident reporting.

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

The above event reporting can be that the terminal compares the PL calculated by the terminal with the AL, and reports when the comparison result meets the preset conditions. For example, after comparing the sizes of PL and AL, a 1-bit information bit is used to indicate the integrity of the positioning system. Evaluation result, if the bit value is 1, it means that PL is greater than AL, otherwise, the bit value is 0.

For the above positioning method, please refer to the corresponding description of the above embodiment, and will not be described again here.

The auxiliary data supported by the terminal in the above positioning method may be a list of integrity auxiliary data related to the corresponding positioning method supported by the terminal; the auxiliary data supported by the terminal in the positioning method may be a list of integrity auxiliary data supported by the terminal in the positioning method. A list of integrity auxiliary data sent involving the corresponding positioning method.

In this embodiment, since the LMF receives the positioning capability information from the terminal, in the subsequent positioning process, it can make positioning method decisions and other operations based on the positioning capability information to improve positioning performance.

As an optional implementation, the method further includes:

The LMF sends first assistance data to the terminal, where the first assistance data includes at least one of the following:

The first worrying event;

The above-mentioned second worrying event may be a worrying operation caused by the above-mentioned LMF that may make the positioning result inaccurate.

The above-mentioned third worrying event may be not caused by the equipment, but caused by worrying operations caused by the outside world that may make the positioning result inaccurate, such as worrying events caused by noise, interference and multipath.

In this embodiment, since the first auxiliary data is provided to the terminal, it is helpful for the terminal to calculate the PL of the positioning integrity based on a variety of worrying events, so as to more comprehensively evaluate the integrity of the positioning system. For the specific calculation method, please refer to the corresponding description in the embodiment shown in FIG. 4 and will not be described again here. As an optional implementation, the method further includes:

The LMF receives second auxiliary data from the terminal, where the second auxiliary data includes: a fourth worrying event related to the terminal that may lead to inaccurate positioning;

The LMF calculates a PL for positioning integrity based on the first fear event and the second assistance data.

The above-mentioned LMF calculates the PL of positioning integrity based on the first worrying event and the second auxiliary data. The LMF combines the location information, the first worrying event, the second auxiliary data and the PL from itself that may lead to inaccurate positioning. The second worrying event related to the LMF and the third worrying event from the outside world that may lead to inaccurate positioning, and based on the relationship between the KPI of the positioning integrity and the PL, calculate the PL of the integrity of the positioning system. The specific calculation process can be determined by LMF decides at its own discretion, and may also use the method agreed in the agreement for calculation, or subsequently use the algorithm implemented by LMF for calculation, and there is no limit to this.

In this embodiment, since the above-mentioned first worrying event and the second auxiliary data are provided to the LMF, it is helpful for the LMF to calculate the PL of the positioning integrity based on the multiple worrying events, so as to more comprehensively evaluate the integrity of the positioning system.

Please refer to Figure 3. Figure 3 is a flow chart of another event information transmission method provided by an embodiment of the present application. As shown in Figure 3, it includes the following steps:

Step 301: The access network device receives a first message from the LMF. The first message is used to request a first worrying event that may lead to inaccurate positioning, and the first worrying event is related to the access network device. event;

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

Optionally, the first worrying event includes at least one of the following:

Worrying events related to the TRP of the sending and receiving points of the access network equipment;

Optionally, the TRP-related worrying events include at least one of the following:

Optionally, the worrying events related to the signal measurement results include at least one of the following:

Time measurement corresponding to the positioning method, angle measurement corresponding to the positioning method, and power measurement corresponding to the positioning method.

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

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

When the first worrying event changes within 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 The first feared event.

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

Optionally, in the case where the first worrying event includes a worrying event related to the TRP of the sending and receiving point of the access network device, the first message is: a TRP information request message, and the second message is: TRP information reply message.

Optionally, in the case where the first worrying event includes a worrying event related to the signal measurement result of the access network device, the first message includes at least one of the following:

Measurement request message, measurement activation message, measurement update message.

Optionally, the second message includes:

Measurement report message, measurement deactivation message, measurement reply message.

It should be noted that this embodiment is an implementation of the access network equipment corresponding to the embodiment shown in Figure 2. For its specific implementation, please refer to the relevant description of the embodiment shown in Figure 2 to avoid repeated explanations. , no further details will be given in this embodiment.

Please refer to Figure 4. Figure 4 is a flow chart of another event information transmission method provided by an embodiment of the present application. As shown in Figure 4, it includes the following steps:

Step 401: The terminal receives first auxiliary data from the location management function LMF, where the first auxiliary data includes at least one of the following:

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

The calculation of the PL of positioning integrity based on the first auxiliary data may be that the terminal calculates the PL of positioning integrity by combining the location information, the first auxiliary data and a fourth terminal-related worrying event from itself that may lead to inaccurate positioning.

Optionally, the method also includes:

The terminal sends positioning capability information to the LMF, where the positioning capability information is used to indicate at least one of the following:

The reporting mode of positioning integrity results supported by the terminal, the terminal's ability to calculate positioning integrity in the positioning method, the assistance data received by the terminal in the positioning method, the terminal's ability to calculate positioning integrity in the positioning method, The positioning method supports sent auxiliary data, which is data used to assist positioning integrity calculation.

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

The protection level PL of positioning integrity is reported;

Incident reporting.

It should be noted that this embodiment is an implementation of the terminal corresponding to the embodiment shown in Figure 2. For its specific implementation, please refer to the relevant description of the embodiment shown in Figure 2. In order to avoid repeated explanation, this implementation The examples will not be repeated again.

The methods provided by the embodiments of this application are illustrated below through multiple embodiments, specifically as follows:

Example 1:

In this embodiment, the access network device sends a concern event related to the configuration provided by the access network device to the LMF. When calculating the positioning integrity based on the terminal, the LMF sends a concern event related to the configuration provided by the access network device to the terminal. , As shown in Figure 5, the following steps may be included:

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

1. LMF sends an NRPPa message (such as TRP INFORMATION REQUEST) to the access network device to request information such as downlink positioning reference signal (DL-PRS) configuration.

Wherein, the above-mentioned NRPPa message may include an instruction and a first duration to request the first worrying event, and if the first worrying event changes or is updated within the first duration, the access network device may be updated; after the duration is exceeded, even if the first worrying event changes or is updated, , there is no need for feedback from the access network equipment.

Wherein, the first worrying event is a worrying event related to the TRP of the access network equipment itself, such as including at least one of the following:

TRP location;

Synchronization within TRP;

TRP directional antenna information.

2. The access network equipment sends an NRPPa message (such as TRP INFORMATION RESPONSE) to the LMF, where the message contains information about the first worrying event;

3. The LMF sends an LTE Positioning Protocol (LPP) message (such as Request Capabilities) to the terminal to request positioning capabilities;

4. The terminal sends an LPP message (such as Provide Capabilities) to the LMF to provide positioning capabilities, which includes a first positioning capability. The first positioning capability includes at least one of the following:

The terminal's ability to calculate integrity in positioning methods;

A list of integrity auxiliary data that the terminal supports receiving or/and sending in the positioning method;

Mode for terminal reporting integrity results:

Among them, the mode for reporting integrity results may include at least one of the following:

PL reporting of positioning integrity;

Event reporting (for example, after comparing the sizes of PL and AL, using 1 bit information bit to indicate the integrity evaluation result of the positioning system).

In this embodiment, the LMF may determine the terminal-based positioning calculation based on the terminal capabilities.

5. The terminal sends an LPP message (such as Request Assistance Data) to the LMF, which contains a request for first assistance data. The first assistance data includes at least one of the following:

The first worrying event;

Worrying events related to LMF;

External feared events (such as: worried events caused by noise, interference and multipath).

6. LMF sends an LPP message (such as Provide Assistance Data) to the terminal, which contains the first assistance data;

7. LMF sends LPP messages (such as Request Location Information) to the terminal to provide positioning integrity Key performance indicators KPIs;

8. The terminal performs DL PRS measurements and performs position estimation. Combining the location information and 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 (such as Provide Location Information) to the LMF, which contains PL;

10. LMF sends PL to LCS client, and LCS client evaluates the integrity of the positioning system based on the size of PL and AL.

Example 2:

In this embodiment, the access network device sends the worry events related to the configuration provided by the access network device and the worry events related to the signal measurement results on the access network device side to the LMF, which are used when calculating positioning integrity based on the LMF. In addition, in this embodiment, LMF determines to use LMF-based positioning calculation based on the terminal capabilities, as shown in Figure 6, which may include the following steps:

0.LCS client (for example: UE, AMF or positioning server) sends positioning integrity key performance indicators KPIs to LMF;

1. LMF sends an NRPPa message (such as TRP INFORMATION REQUEST) to the access network device to request DL-PRS configuration and other information;

2. The access network equipment sends an NRPPa message (such as TRP INFORMATION RESPONSE) to the LMF, which contains information about the first worrying event. The first worrying event is a worrying event related to the base station's own TRP;

3. LMF sends an LPP message (such as Request Capabilities) to the terminal to request positioning capabilities;

4. The UE sends an LPP message (such as Provide Capabilities) to the LMF to provide positioning capabilities, which contains first positioning information. The first positioning information includes at least one of the following:

The UE’s ability to calculate integrity in positioning methods;

A list of integrity assistance data that the UE supports receiving or/and sending in the positioning method;

The mode for UE to report integrity results:

PL reporting of positioning integrity;

5. LMF sends NRPPa messages (such as POSITIONING INFORMATION REQUEST) to the access network equipment;

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

6a. The access network device sends the UL SRS configuration to the terminal;

7. The access network device sends an NRPPa message (such as POSITIONING INFORMATION RESPONSE) to the LMF;

8. LMF sends an NRPPa message (such as POSITIONING ACTIVATION REQUEST) to the access network device. The access network device activates the terminal and sends UL-SRS. The access network device sends an NRPPa message (such as POSITIONING ACTIVATION RESPONSE);

9. The LMF sends a first message to the access network device, which contains information requesting a second worrying event. When the second worrying event is a worrying event related to the signal measurement result of the access network device, the first The message includes at least one of the following:

Measurement activation message (MEASUREMENT ACTIVATION);

Measurement request message (MEASUREMENT REQUEST);

Measurement update message (MEASUREMENT UPDATE);

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

OTDOA) information request message (OTDOA INFORMATION REQUEST);

Other messages passed between LMF and access network equipment.

In addition, the above-mentioned first message may also include a second duration. If the second worrying event is changed/updated within the second duration, the access network device may be updated; after the duration is exceeded, even if the second concern event changes, the access network device No feedback required either.

10. When it comes to downlink positioning reference signals, the LMF and the terminal exchange auxiliary data;

11. When it comes to downlink positioning reference signals, the LMF sends an LPP message (such as Request Location Information) to the terminal to request the measurement results on the terminal side, which includes requesting second auxiliary data. The second auxiliary data at least includes terminal-related concerns. event;

12. The access network equipment performs UL-SRS measurements; when downlink positioning reference signals are involved, the terminal performs DL-PRS measurements;

13. When the downlink positioning reference signal is involved, the terminal sends an LPP message (such as Response Location Information) to the LMF to provide the measurement results on the terminal side, which includes the requested second assistance data;

14. The access network device sends a second message to the LMF, which contains the provided information about the second worrying event. The second message includes at least one of the following:

Measurement deactivation message (MEASUREMENT DEACTIVATION);

Measurement reply message (MEASUREMENT REPORT);

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

OTDOA information reply message (OTDOA INFORMATION RESPONSE);

Other messages passed between access network equipment and LMF.

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

16. LMF sends PL to LCS client, and LCS client evaluates the integrity of the positioning system based on the size of PL and AL.

In the embodiment of this application, in order to support positioning integrity calculation, the access network device sends a concern event related to the access network device to the LMF. In particular, if the calculation is based on the terminal, the LMF will further send the worrying event related to the access network equipment to the terminal.

Please refer to Figure 7. Figure 7 is a structural diagram of an event information transmission device provided by an embodiment of the present application. As shown in Figure 7 As shown, the event information transmission device 700 includes:

The first sending module 701 is configured to send a first message to the access network device, where the first message is used to request a first worrying event that may lead to inaccurate positioning results, and the first worrying event is the access network device. Events related to network equipment;

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

Optionally, the first worrying event includes at least one of the following:

The location of the TRP, the synchronization within the TRP, and the directional antenna information of the TRP.

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

The first receiving module 702 is configured to receive the second message from the access network device by the LMF when the first worrying event changes within the time period represented by the first time information. The second message includes the changed first worrying 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 the following:

Optionally, the device also includes:

The second receiving module is configured to receive positioning capability information from the terminal, where the positioning capability information is used to indicate at least one of the following:

The reporting mode of positioning integrity results supported by the terminal, the terminal's ability to calculate positioning integrity in the positioning method, the assistance data received by the terminal in the positioning method, the terminal's ability to calculate positioning integrity in the positioning method, Supports auxiliary data sent, the auxiliary data is data used to assist positioning integrity calculation, and the positioning method is a method used to position the terminal.

The protection level PL of positioning integrity is reported;

Incident reporting.

Optionally, the device also includes:

The second sending module is used to send first auxiliary data to the terminal, where the first auxiliary data includes at least one of the following:

The first worrying event;

Optionally, the method also includes:

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

A calculation module configured to calculate a PL of positioning integrity based on the first worrying event and the second auxiliary data.

The above 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, such as an electronic device with an operating system, or may be a component in the electronic device, such as an integrated circuit or chip. The electronic device may be a network device.

The positioning device provided by the embodiment of the present application can implement each process implemented by the method embodiment shown in Figure 2 and achieve the same technical effect. To avoid duplication, details will not be described here.

Please refer to Figure 8. Figure 8 is a structural diagram of another event information transmission device provided by an embodiment of the present application. As shown in Figure 8, the event information transmission device 800 includes:

The receiving module 801 is configured to receive a first message from the location management function LMF, where the first message is used to request a first worrying event that may lead to inaccurate positioning, and the first worrying event is the access network device. related events;

The sending module 802 is configured to send a second message to the LMF, where the second message includes the first worrying event, where the first worrying event is used to evaluate positioning integrity.

Optionally, the first worrying event includes at least one of the following:

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

The sending module 802 is configured to send the second message to the LMF by the access network device when the first worrying event changes within the time period represented by the first time information. The message includes the changed The first feared event.

Optionally, the second message includes:

The positioning device provided by the embodiment of the present application can implement each process implemented by the method embodiment shown in Figure 3 and achieve the same technical effect. To avoid duplication, the details will not be described here.

Please refer to Figure 9. Figure 9 is a structural diagram of another event information transmission device provided by an embodiment of the present application. As shown in Figure 9, the event information transmission device 900 includes:

The receiving module 901 is configured to receive first auxiliary data from the location management function LMF, where the first auxiliary data includes at least one of the following:

Optionally, the device also includes:

A calculation module configured to calculate a protection level PL of positioning integrity based on the first auxiliary data, and report the PL to the LMF.

Optionally, the method also includes:

A sending module, configured to send positioning capability information to the LMF, where the positioning capability information is used to indicate at least one of the following:

The protection level PL of positioning integrity is reported;

Incident reporting.

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

The positioning device provided by the embodiment of the present application can implement each process implemented by the method embodiment shown in Figure 4 and achieve the same technical effect. To avoid duplication, details will not be described here.

Optionally, as shown in Figure 10, this embodiment of the present application also provides a communication device 1000, which includes a processor 1001 and a memory 1002. The memory 1002 stores programs or instructions that can be run on the processor 1001, such as , when the communication device 1000 is an LMF, when the program or instruction is executed by the processor 1001, each step of the event information transmission method embodiment of the LMF is implemented, and the same technical effect can be achieved. When the communication device 1000 is an access network device, when the program or instruction is executed by the processor 1001, each step of the event information transmission method embodiment on the access network device side is implemented, and the same technical effect can be achieved. When the communication device 1000 is a terminal, when the program or instruction is executed by the processor 1001, each step of the event information transmission method embodiment on the terminal side is implemented, and the same technical effect can be achieved. To avoid duplication, the details are not repeated here.

An embodiment of the present application also provides an LMF, including a processor and a communication interface, wherein the communication interface is used to send a first message to the access network device, and the first message is used to request information that may lead to inaccurate positioning results. A first worrying event, and the first worrying event is an event related to the access network device; receiving a second message from the access network device, the second message including the first worrying event, wherein , the first worrying event is used to evaluate positioning integrity. This LMF embodiment corresponds to the above-mentioned LMF side method embodiment. Each implementation process and implementation manner of the above-mentioned method embodiment can be applied to this LMF embodiment, and can achieve the same technical effect. Specifically, FIG. 11 is a schematic diagram of the hardware structure of an LMF that implements an embodiment of the present application.

Specifically, the LMF 1100 includes: a processor 1101, a network interface 1102, and a memory 1103. Among them, the network interface 1102 is, for example, a common public radio interface (CPRI).

Specifically, the LMF 1100 in the embodiment of the present application also includes: instructions or programs stored in the memory 1103 and executable on the processor 1101. The processor 1101 calls the instructions or programs in the memory 1103 to execute the modules shown in Figure 7. method and achieve the same technical effect. To avoid repetition, we will not repeat it here.

Wherein, the network interface 1102 is used to send a first message to the access network device, the first message is used to request a first worrying event that may lead to inaccurate positioning results, and the first worrying event is the access network device. Device-related events: receiving a second message from the access network device, the second message including the first worrying event, wherein the first worrying event is used to evaluate positioning integrity.

Optionally, the first worrying event includes at least one of the following:

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

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

When the first worrying event changes within the time period represented by the first time information, receive the second message from the access network device, where the second message includes the changed First thing to worry about.

Optionally, the second message includes at least one of the following:

Optionally, network interface 1102 is also used for:

Receive positioning capability information from the terminal, where the positioning capability information is used to indicate at least one of the following:

The protection level PL of positioning integrity is reported;

Incident reporting.

Optionally, network interface 1102 is also used for:

Send first auxiliary data to the terminal, where the first auxiliary data includes at least one of the following:

The first worrying event;

Optionally, network interface 1102 is also used for:

Receive second assistance data from the terminal, the second assistance data including: a fourth worrying event related to the terminal that may lead to inaccurate positioning;

A PL for positioning integrity is calculated based on the first concern and the second assistance data.

The above-mentioned LMF can improve the evaluation performance of positioning integrity.

Specifically, the embodiment of the present application also provides an access network device. As shown in Figure 12, the access network equipment 1200 includes: an antenna 1201, a radio frequency device 1202, a baseband device 1203, a processor 1204 and a memory 1205. Antenna 1201 is connected to radio frequency device 1202. In the uplink direction, the radio frequency device 1202 receives information through the antenna 1201 and sends the received information to the baseband device 1203 for processing. In the downlink direction, the baseband device 1203 processes the information to be sent and sends it to the radio frequency device 1202. The radio frequency device 1202 processes the received information and then sends it out through the antenna 1201.

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

The baseband device 1203 may include, for example, at least one baseband board on which multiple chips are disposed, as shown in FIG. Program to perform the network device operations shown in the above method embodiments.

The access network device may also include a network interface 1206, which is, for example, a common public radio interface (CPRI).

An embodiment of the present application also provides an access network device, including a processor and a communication interface, wherein the communication interface is used to receive a first message from the location management function LMF, and the first message is used to request positioning that may result in An inaccurate first worrying event, and the first worrying event is an event related to the access network device; sending a second message to the LMF, where the second message includes the first worrying event, wherein, The first fear event is used to evaluate positioning integrity. This access network equipment embodiment corresponds to the above-mentioned access network equipment side method embodiment. Each implementation process and implementation method of the above-mentioned method embodiment can be applied to this access network equipment embodiment, and can achieve the same technical effect. .

Specifically, the access network device 1200 in the embodiment of the present application also includes: instructions or programs stored in the memory 1205 and executable on the processor 1204. The processor 1204 calls the instructions or programs in the memory 1205 to execute as shown in Figure 8 To avoid duplication, the methods for executing each module and achieving the same technical effect will not be described in detail here.

Wherein, the radio frequency device 1202 is used to receive a first message from the location management function LMF, the first message is used to request a first worrying event that may lead to inaccurate positioning, and the first worrying event is the access network Device-related events: sending a second message to the LMF, where the second message includes the first concern event, where the first concern event is used to evaluate positioning integrity.

Optionally, the first worrying event includes at least one of the following:

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

The sending of the second message to the LMF includes:

If the first worrying event changes within the time period represented by the first time information, send the second message to the LMF, where the second message includes the changed first worrying event. .

Optionally, the second message includes:

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

An embodiment of the present application also provides a terminal, including a processor and a communication interface, wherein the communication interface is used to receive first auxiliary data from the location management function LMF, and the first auxiliary data includes at least one of the following: possible The first worrying event related to the access network equipment that may lead to inaccurate positioning; the second worrying event related to the LMF that may lead to inaccurate positioning; and the third worrying event from the outside world that may lead to inaccurate positioning. This terminal embodiment corresponds to the above-mentioned terminal-side method embodiment. Each implementation process and implementation manner of the above-mentioned method embodiment can be applied to this terminal embodiment, and can achieve the same technical effect.

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

Those skilled in the art can understand that the terminal 1300 may also include a power supply (such as a battery) that supplies power to various components. The power supply may be logically connected to the processor 1310 through a power management system, thereby managing charging, discharging, and power consumption through the power management system. Management and other functions. The terminal structure shown in Figure 13 does not constitute a limitation of the terminal. The terminal may include more or fewer components than shown in the figure, or combine certain components, or arrange different components, which will not be discussed here. Repeat.

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. The graphics processing unit 13041 is responsible for the image capture device (GPU) in the video capture mode or the image capture mode. Process the image data of still pictures or videos obtained by cameras (such as cameras). The display unit 1306 may include a display panel 13061, which 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 a touch panel 13071 and at least one of other input devices 13072 . Touch panel 13071, also called touch screen. The touch panel 13071 may include two parts: a touch detection device and a touch controller. Other input devices 13072 may include but are not limited to physical keyboards, function keys (such as volume control keys, switch keys, etc.), trackballs, mice, and joysticks, which will not be described again here.

In this embodiment of the present application, after receiving downlink data from the network device, the radio frequency unit 1301 can transmit it to the processor 1310 for processing; in addition, the radio frequency unit 1301 can send uplink data to the network device. Generally, the radio frequency unit 1301 includes, but is not limited to, an antenna, amplifier, transceiver, coupler, low noise amplifier, duplexer, etc.

Memory 1309 may be used to store software programs or instructions as well as various data. The memory 1309 may mainly include a first storage area for storing programs or instructions and a second storage area for storing data, wherein the first storage area may store an operating system, an application program or instructions required for at least one function (such as a sound playback function, Image playback function, etc.) etc. Additionally, memory 1309 may include volatile memory or nonvolatile memory, or memory 1309 may include both volatile and nonvolatile memory. Among them, non-volatile memory can be read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electrically removable memory. Erase programmable read-only memory (Electrically EPROM, EEPROM) or flash memory. Volatile memory can be random access memory (Random Access Memory, RAM), static random access memory (Static RAM, SRAM), dynamic random access memory (Dynamic RAM, DRAM), synchronous dynamic random access memory (Synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (Double Data Rate SDRAM, DDRSDRAM), enhanced synchronous dynamic random access memory (Enhanced SDRAM, ESDRAM), synchronous link dynamic random access memory (Synch link DRAM) , SLDRAM) and direct memory bus random access memory (Direct Rambus 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, the processor 1310 integrates an application processor and a modem processor, where the application processor mainly handles operations related to the operating system, user interface, application programs, etc., Modem processors mainly process wireless communication signals, such as baseband processors. It can be understood that the above modem processor may not be integrated into the processor 1310.

Wherein, the radio frequency unit 1301 is used for the terminal to receive first auxiliary data from the location management function LMF, where the first auxiliary data includes at least one of the following:

Optionally, processor 1310 is used for:

Calculate the protection level PL of positioning integrity based on the first auxiliary data, and report the PL to the LMF.

Optionally, the radio frequency unit 1301 is also used for:

Send positioning capability information to the LMF, where the positioning capability information is used to indicate at least one of the following:

The protection level PL of positioning integrity is reported;

Incident reporting.

The above-mentioned terminal can improve the evaluation performance of positioning integrity.

Embodiments of the present application also provide a readable storage medium. Programs or instructions are stored on the readable storage medium. When the programs or instructions are executed by a processor, the event information transmission method on the LMF side provided by the embodiment of the present application is implemented. or, when the program or instructions are executed by the processor, the steps of the event information transmission method on the access network device side provided by the embodiments of the present application are implemented; or, when the program or instructions are executed by the processor, the steps of the present application are implemented. The embodiment provides steps of an event information transmission method on the terminal side.

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

An embodiment of the present application further provides a chip. The chip includes a processor and a communication interface. The communication interface is coupled to the processor. The processor is used to run programs or instructions to implement the above event information transmission method embodiments. Each process can achieve the same technical effect. To avoid repetition, we will not go into details here.

It should be understood that the chips mentioned in the embodiments of this application may also be called system-on-chip, system-on-a-chip, system-on-chip or system-on-chip, etc.

Embodiments of the present application further provide a computer program/program product. The computer program/program product is stored in a storage medium. The computer program/program product is executed by at least one processor to implement the above event information transmission method. Each process in the example can achieve the same technical effect. To avoid repetition, we will not repeat it here.

The embodiment of the present application provides an event information transmission system, including: an LMF, an access network device, and a terminal. The LMF can be used to perform the steps of the event information transmission method on the LMF side provided by the embodiment of the present application. The access The network device may be configured to perform the steps of the event information transmission method on the access network device side provided by the embodiments of the present application, and the terminal may be configured to perform the steps of the event information transmission method on the terminal side provided by the embodiments of the present application.

It should be noted that, in this document, the terms "comprising", "comprises" or any other variations thereof are intended to cover a non-exclusive inclusion, such that a process, method, article or device that includes a series of elements not only includes those elements, It also includes other elements not expressly listed or inherent in the process, method, article or apparatus. Without further limitation, an element qualified by the statement "includes a..." does not exclude There are also other identical elements in a process, method, article, or device that includes that element. In addition, it should be pointed out that the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, but may also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved. Functions may be performed, for example, the methods described may be performed in an order different from that described, and various steps may be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

Through the above description of the embodiments, those skilled in the art can clearly understand that the methods of the above embodiments can be implemented by means of software plus the necessary general hardware platform. Of course, it can also be implemented by hardware, but in many cases the former is better. implementation. Based on this understanding, the technical solution of the present application can be embodied in the form of a computer software product that is essentially or contributes to related technologies. The computer software product is stored in a storage medium (such as ROM/RAM, disk, CD), including several instructions to cause a terminal (which can be a mobile phone, computer, server, air conditioner, or network device, etc.) to execute the methods described in various embodiments of this application.

The embodiments of the present application have been described above in conjunction with the accompanying drawings. However, the present application is not limited to the above-mentioned specific implementations. The above-mentioned specific implementations are only illustrative and not restrictive. Those of ordinary skill in the art will Inspired by this application, many forms can be made without departing from the purpose of this application and the scope protected by the claims, all of which fall within the protection of this application.

Claims

An event information transmission method, including:

The location management function LMF sends a first message to the access network device. The first message is used to request a first worrying event that may lead to inaccurate positioning results, and the first worrying event is related to the access network device. event;

The LMF receives a second message from the access network device, where the second message includes the first worrying event, where the first worrying event is used to evaluate positioning integrity.
The method of claim 1, wherein the first worrying event includes at least one of the following:

Worrying events related to the TRP of the sending and receiving points of the access network equipment;

Worrying events related to the signal measurement results of the access network equipment.
The method of claim 2, wherein the TRP-related worrying events include at least one of the following:

The location of the TRP, synchronization within the TRP, and beam directional antenna information of the TRP.
The method of claim 2, wherein the worrying events related to the signal measurement results include at least one of the following:

Time measurement corresponding to the positioning method, angle measurement corresponding to the positioning method, and power measurement corresponding to the positioning method. The positioning method is a method for positioning the terminal.
The method of claim 1, wherein the first message further includes: first time information;

The LMF receives a second message from the access network device, including:

When the first worrying event changes within the time period represented by the first time information, the LMF receives the second message from the access network device, where the second message includes the changed The first feared event.
The method of claim 5, wherein the time period represented by the first time information includes at least one of the following:

The first length of time before the access network equipment performs positioning measurements;

The second duration after the access network equipment performs positioning measurements;

The third time period after the access network device receives the first message.
The method of claim 2, wherein, in the case where the first worrying event includes a worrying event related to the TRP of the sending and receiving point of the access network device, the first message is: a TRP information request message, The second message is: TRP information reply message.
The method of claim 2, wherein in the case where the first worrying event includes a worrying event related to a signal measurement result of the access network device, the first message includes at least one of the following:

Measurement request message, measurement activation message, measurement update message.
The method of claim 8, wherein the second message includes at least one of the following:

Measurement report message, measurement deactivation message, measurement reply message.
The method according to any one of claims 1 to 9, wherein the method further comprises:

The LMF receives positioning capability information from the terminal, and the positioning capability information is used to indicate at least one of the following:

The reporting mode of positioning integrity results supported by the terminal, the terminal's ability to calculate positioning integrity in the positioning method, the assistance data received by the terminal in the positioning method, the terminal's ability to calculate positioning integrity in the positioning method, Supports auxiliary data sent, the auxiliary data is data used to assist positioning integrity calculation, and the positioning method is a method used to position the terminal.
The method according to claim 10, wherein the reporting mode of the positioning integrity result includes at least one of the following:

The protection level PL of positioning integrity is reported;

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

The LMF sends first assistance data to the terminal, where the first assistance data includes at least one of the following:

The first worrying event;

The second worrying event related to the LMF that may lead to inaccurate positioning;

Third worrying events from the outside world that may lead to inaccurate positioning.
The method according to any one of claims 1 to 9, further comprising:

The LMF receives second auxiliary data from the terminal, where the second auxiliary data includes: a fourth worrying event related to the terminal that may lead to inaccurate positioning;

The LMF calculates a PL for positioning integrity based on the first fear event and the second assistance data.
An event information transmission method, which includes:

The access network device receives a first message from the location management function LMF, the first message is used to request a first worrying event that may lead to inaccurate positioning, and the first worrying event is related to the access network device. event;

The access network device sends a second message to the LMF, where the second message includes the first worrying event, where the first worrying event is used to evaluate positioning integrity.
The method of claim 14, wherein the first worrying event includes at least one of the following:

Worrying events related to the TRP of the sending and receiving points of the access network equipment;

Worrying events related to the signal measurement results of the access network equipment.
The method of claim 15, wherein the TRP-related worrying events include at least one of the following:

The location of the TRP, the synchronization within the TRP, and the beam directional antenna information of the TRP.
The method of claim 15, wherein the worrying events related to the signal measurement results include at least one of the following:

Time measurement corresponding to the positioning method, angle measurement corresponding to the positioning method, and power measurement corresponding to the positioning method.
The method of claim 14, wherein the first message further includes: first time information;

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

When the first worrying event changes within 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 The first feared event.
The method of claim 18, wherein when the first worrying event includes a worrying event related to a signal measurement result of the access network device, the time period represented by the first time information includes at least the following: One item:

The first length of time before the access network equipment performs positioning measurements;

The second duration after the access network equipment performs positioning measurements;

The third time period after the access network device receives the first message.
The method of claim 15, wherein, in the case where the first worrying event includes a worrying event related to the TRP of the sending and receiving point of the access network device, the first message is: a TRP information request message, The second message is: TRP information reply message.
The method of claim 15, wherein in the case where the first worrying event includes a worrying event related to a signal measurement result of the access network device, the first message includes at least one of the following:

Measurement request message, measurement activation message, measurement update message.
The method of claim 21, wherein the second message includes:

Measurement report message, measurement deactivation message, measurement reply message.
An event information transmission method, including:

The terminal receives first auxiliary data from the location management function LMF, where the first auxiliary data includes at least one of the following:

The first worrying event related to access network equipment that may lead to inaccurate positioning;

The second worrying event related to the LMF that may lead to inaccurate positioning;

Third worrying events from the outside world that may lead to inaccurate positioning.
The method of claim 23, wherein the method further includes:

The terminal calculates a protection level PL of positioning integrity based on the first assistance data, and reports the PL to the LMF.
The method of claim 23 or 24, wherein the method further includes:

The terminal sends positioning capability information to the LMF, where the positioning capability information is used to indicate at least one of the following:

The reporting mode of positioning integrity results supported by the terminal, the terminal's ability to calculate positioning integrity in the positioning method, the assistance data received by the terminal in the positioning method, the terminal's ability to calculate positioning integrity in the positioning method, The positioning method supports sent auxiliary data, which is data used to assist positioning integrity calculation.
The method of claim 25, wherein the reporting mode of the positioning integrity result includes at least one of the following:

The protection level PL of positioning integrity is reported;

Incident reporting.
An event information transmission device, including:

The first sending module is configured to send a first message to the access network device, where the first message is used to request a first worrying event that may lead to inaccurate positioning results, and the first worrying event is the access network device. Device-related events;

A first receiving module configured to receive a second message from the access network device, where the second message includes the first worrying event, where the first worrying event is used to evaluate positioning integrity.
An event information transmission device, including:

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

A sending module configured to send a second message to the LMF, where the second message includes the first worrying event, where the first worrying event is used to evaluate positioning integrity.
An event information transmission device, including:

A receiving module, configured to receive first auxiliary data from the location management function LMF, where the first auxiliary data includes at least one of the following:

The first worrying event related to access network equipment that may lead to inaccurate positioning;

The second worrying event related to the LMF that may lead to inaccurate positioning;

Third worrying events from the outside world that may lead to inaccurate positioning.
A location management function LMF includes a processor and a memory. The memory stores programs or instructions that can be run on the processor. When the program or instructions are executed by the processor, any of claims 1 to 13 is implemented. The steps of the event information transmission method described in one item.
An access network device, including a processor and a memory. The memory stores programs or instructions that can be run on the processor. When the program or instructions are executed by the processor, any of claims 14 to 22 can be implemented. The steps of the event information transmission method described in one item.
A terminal includes a processor and a memory, the memory stores programs or instructions that can be run on the processor, and when the programs or instructions are executed by the processor, the implementation as claimed in any one of claims 23 to 26 is provided. The steps of the event information transmission method described above.
A readable storage medium that stores programs or instructions that, when executed by a processor, implement the steps of the event information transmission method according to any one of claims 1 to 13, or , when the program or instruction is executed by the processor, the steps of the event information transmission method as claimed in any one of claims 14 to 22 are implemented, or, when the program or instruction is executed by the processor, the steps of the event information transmission method as claimed in any one of claims 23 to 26 are implemented. The steps of the event information transmission method described in any one of the above.