CN115769644A

CN115769644A - Reselection method and device for positioning auxiliary terminal equipment

Info

Publication number: CN115769644A
Application number: CN202280003563.9A
Authority: CN
Inventors: 江小威
Original assignee: Beijing Xiaomi Mobile Software Co Ltd
Current assignee: Beijing Xiaomi Mobile Software Co Ltd
Priority date: 2022-09-26
Filing date: 2022-09-26
Publication date: 2023-03-07
Also published as: WO2024065133A1

Abstract

The disclosure provides a reselection method, a reselection device, equipment and a storage medium for positioning auxiliary terminal equipment, and belongs to the technical field of communication. The method comprises performing at least one of the following operations: reselecting the positioning auxiliary terminal equipment; reporting information to a base station or sending the information to a second terminal device; the positioning procedure is terminated. The present disclosure provides a processing method for a situation of "reselection of positioning auxiliary terminal device", so as to reselect the positioning auxiliary terminal device based on a first specific event, which can provide a reselection mechanism of the positioning auxiliary terminal device, reduce the situation that the positioning information determination is inaccurate when the positioning auxiliary terminal device does not meet the SL positioning requirement, and improve the accuracy of the positioning information determination.

Description

Reselection method and device for positioning auxiliary terminal equipment

Technical Field

The present disclosure relates to the field of communications technologies, and in particular, to a method, an apparatus, a device, and a storage medium for reselecting a positioning assistance terminal (anchor UE).

Background

In a communication system, the positioning of the Sidelink between the terminal equipment and the terminal equipment comprises absolute positioning, relative positioning and ranging. For ranging, only two terminal devices are usually involved, i.e. ranging is performed between two terminal devices, however, for absolute positioning and relative positioning, multiple auxiliary terminal devices may be involved, which participate in positioning to improve the accuracy of absolute positioning and relative positioning. However, in the positioning process, the information of the positioning assistance terminal device may change, so that the positioning accuracy is low.

Disclosure of Invention

The reselection method, device, equipment and storage medium for the positioning auxiliary terminal equipment provided by the disclosure are used for reselecting the positioning auxiliary terminal equipment based on a first specific event, so that a reselection mechanism for the positioning auxiliary terminal equipment can be provided, the situation that the positioning information is determined inaccurately when the positioning auxiliary terminal equipment does not meet the SL positioning requirement is reduced, and the accuracy of the positioning information determination can be improved.

An embodiment of the disclosure provides a method for reselecting a positioning assistance terminal device, where the method is performed by a first terminal device, and the method includes:

in response to performing the side chain SL positioning procedure satisfying the first specific event, performing at least one of:

reselecting the positioning auxiliary terminal equipment;

reporting information to a base station or sending the information to a second terminal device;

the positioning procedure is terminated.

Optionally, in an embodiment of the present disclosure, wherein the first specific event includes at least one of:

the signal quality of the current service positioning auxiliary terminal device does not meet the signal quality threshold requirement, wherein the current service positioning auxiliary terminal device is a terminal device participating in the SL positioning process;

the distance between the current service positioning auxiliary terminal equipment and the first terminal equipment does not meet the requirement of a distance threshold;

the first terminal equipment or the current service positioning auxiliary terminal equipment leaves a specific area;

the time length from the position information or the measurement result of the last SL positioning reported exceeds the preset time length;

the sidelink Link between the current serving positioning assistance terminal device and the first terminal device has a Radio Link Failure (RLF).

Optionally, in an embodiment of the present disclosure, the method further includes:

receiving the configuration sent by the base station; alternatively, the first and second electrodes may be,

determining a configuration according to the pre-configuration information of the first terminal device,

wherein the configuration comprises at least one of a signal quality threshold configuration, a distance threshold configuration, a specific area configuration, and a periodicity configuration.

Optionally, in an embodiment of the disclosure, wherein the information includes at least one of:

triggering a reported first trigger event;

measuring the signal quality of the current service positioning auxiliary terminal equipment;

measuring signal quality measurement results of other positioning auxiliary terminal devices, wherein the other positioning auxiliary terminal devices are terminal devices which do not participate in the SL positioning process;

and the equipment identifier of the first terminal equipment.

Optionally, in an embodiment of the present disclosure, the reselecting positioning assistance terminal device includes at least one of:

sending a first message to a current service positioning auxiliary terminal device which does not meet the SL positioning service requirement, wherein the first message is used for canceling the current service positioning auxiliary terminal device or deactivating the current service positioning auxiliary terminal device;

and sending a second message to the target positioning auxiliary terminal equipment meeting the SL positioning service requirement, wherein the second message is used for configuring the target positioning auxiliary terminal equipment as the positioning auxiliary terminal equipment or activating the configuration of the target positioning auxiliary terminal equipment.

in response to triggering a second specific event, not triggering the reselection of the positioning assistance terminal device; and/or not reporting information to the base station or the second terminal device.

Optionally, in an embodiment of the present disclosure, the second specific event includes at least one of:

the SL positioning process is SL-Round Trip Time (RTT);

the SL positioning process relates to a current service positioning auxiliary terminal device;

the triggering mode of the position reporting or the measurement result reporting of the SL positioning process is not periodic triggering or event triggering.

Optionally, in an embodiment of the present disclosure, the terminating the positioning process includes:

and sending a third message to the current service positioning auxiliary terminal equipment, wherein the third message is used for terminating the SL positioning process.

performing information interaction with the base station or the second terminal equipment through at least one of the following messages:

a long term evolution positioning protocol (LPP) message of a universal mobile communication technology;

a Sidelink LPP message;

a PC5-S message;

radio Resource Control (RRC) messages.

Another embodiment of the present disclosure provides a method for reselecting a positioning assistance terminal device, where the method is performed by a second terminal device, and the method includes:

receiving information reported by first terminal equipment; and

triggering a reselection process of the positioning auxiliary terminal device, wherein the information is reported when a SL positioning process performed by the first terminal device in response to the first terminal device meets a first specific event.

the signal quality of the current service positioning auxiliary terminal equipment does not meet the requirement of a signal quality threshold, wherein the current service positioning auxiliary terminal equipment is the terminal equipment participating in the SL positioning process;

and the sidelink link between the current service positioning auxiliary terminal equipment and the first terminal equipment generates Radio Link Failure (RLF).

Optionally, in an embodiment of the present disclosure, triggering a reselection procedure of a positioning assistance terminal device includes:

sending a first message to a current service positioning auxiliary terminal device which does not meet the requirements of SL positioning service, wherein the first message is used for canceling the current service positioning auxiliary terminal device or deactivating the current service positioning auxiliary terminal device, and the current service positioning auxiliary terminal device is a terminal device participating in the SL positioning process;

and in response to the second terminal device being the current service positioning auxiliary terminal device which does not meet the SL positioning service requirement, determining a target position service terminal device, and cancelling or deactivating the second terminal device.

triggering a reported first trigger event;

the device identifier of the first terminal device.

performing information interaction with the first terminal equipment through at least one of the following messages:

a Sidelink LPP message;

a PC5-S message;

radio resource control RRC message.

Another embodiment of the present disclosure provides a method for reselecting a positioning assistance terminal device, where the method is performed by a base station, and the method includes:

receiving information reported by a first terminal device, and triggering a reselection process of a positioning auxiliary terminal device, wherein the information is reported when a SL positioning process performed by the first terminal device in response to the first terminal device meets a first specific event.

and sending a configuration to the first terminal equipment, wherein the configuration comprises at least one of a signal quality threshold configuration, a distance threshold configuration, a specific area configuration and a period configuration.

receiving configuration sent by network side equipment, wherein the configuration comprises at least one of signal quality threshold configuration, distance threshold configuration, specific area configuration and period configuration;

forwarding the configuration to the first terminal device.

and sending the information to the network side equipment.

triggering a reported first trigger event;

the device identifier of the first terminal device.

a Sidelink LPP message;

a PC5-S message;

radio resource control RRC message.

An embodiment of another aspect of the present disclosure provides a reselection apparatus for a positioning assistance terminal device, where the apparatus is disposed on a first terminal device side, and the apparatus includes:

a selection module, configured to perform at least one of the following operations in response to the first specific event being satisfied by performing the side chain SL positioning procedure:

reselecting the positioning auxiliary terminal equipment;

the positioning procedure is terminated.

An embodiment of another aspect of the present disclosure provides a reselection apparatus for a positioning assistance terminal device, where the reselection apparatus is disposed on a second terminal device side, and the reselection apparatus includes:

the receiving module is used for receiving information reported by the first terminal equipment; and

An embodiment of another aspect of the present disclosure provides a reselection apparatus for a positioning assistance terminal device, where the reselection apparatus is disposed on a base station side, and the reselection apparatus includes:

In another aspect of the present disclosure, a first terminal device is provided, the device includes a processor and a memory, the memory stores a computer program, and the processor executes the computer program stored in the memory to cause the apparatus to perform the method as set forth in the above aspect of the present disclosure.

A second terminal device in an embodiment of another aspect of the present disclosure includes a processor and a memory, where the memory stores a computer program, and the processor executes the computer program stored in the memory to cause the apparatus to perform the method in an embodiment of the above aspect.

In another aspect, the present disclosure provides a base station, which includes a processor and a memory, where the memory stores a computer program, and the processor executes the computer program stored in the memory to cause the apparatus to perform the method as set forth in the above aspect.

In another aspect, an embodiment of the present disclosure provides a communication apparatus, including: a processor and interface circuitry;

the interface circuit is used for receiving code instructions and transmitting the code instructions to the processor;

the processor is configured to execute the code instructions to perform a method as set forth in an aspect embodiment.

An embodiment of another aspect of the present disclosure provides a communication apparatus, including: a processor and an interface circuit;

the processor is used for executing the code instructions to execute the method provided by the embodiment of the aspect.

A further aspect of the present disclosure provides a computer-readable storage medium storing instructions that, when executed, cause a method as set forth in an aspect embodiment to be implemented.

In summary, in the embodiments of the disclosure, in response to the performing the side chain SL positioning procedure satisfying the first specific event, at least one of the following operations is performed: reselecting the positioning auxiliary terminal equipment; reporting information to a base station or sending the information to a second terminal device; the positioning procedure is terminated. In the embodiment of the present disclosure, a reselection mechanism of the positioning assistance terminal device may be provided, and reselection of the positioning assistance terminal device may be performed based on the first specific event. The present disclosure provides a processing method for a situation of "reselection of positioning auxiliary terminal device", so as to reselect the positioning auxiliary terminal device based on a first specific event, which can provide a reselection mechanism of the positioning auxiliary terminal device, reduce the situation that the positioning information determination is inaccurate when the positioning auxiliary terminal device does not meet the SL positioning requirement, and improve the accuracy of the positioning information determination.

Drawings

The foregoing and/or additional aspects and advantages of the present disclosure will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic diagram illustrating an example of a reselection method for a positioning assistance terminal device according to an embodiment of the present disclosure;

fig. 2 is a flowchart illustrating a reselection method for positioning auxiliary terminal equipment according to an embodiment of the present disclosure;

fig. 3 is a flowchart illustrating a reselection method for a positioning assistance terminal device according to another embodiment of the present disclosure;

fig. 4 is a flowchart illustrating a reselection method for a positioning assistance terminal device according to another embodiment of the present disclosure;

fig. 5 is an interaction diagram of a reselection method for a positioning assistance terminal device according to another embodiment of the present disclosure;

fig. 6 is a flowchart illustrating a reselection method for positioning assistance terminal equipment according to another embodiment of the present disclosure;

fig. 7 is a flowchart illustrating a reselection method for a positioning assistance terminal device according to another embodiment of the present disclosure;

fig. 8 is a flowchart illustrating a reselection method for a positioning assistance terminal device according to another embodiment of the present disclosure;

fig. 9 is an interaction diagram of a reselection method for a positioning assistance terminal device according to another embodiment of the present disclosure;

fig. 10 is a flowchart illustrating a reselection method for a positioning assistance terminal device according to another embodiment of the present disclosure;

fig. 11 is an interaction diagram of a reselection method for a positioning assistance terminal device according to another embodiment of the present disclosure;

fig. 12 is an interaction diagram illustrating a reselection method of a location assistance terminal device according to yet another embodiment of the present disclosure;

fig. 13 is an interaction diagram of a reselection method for a positioning assistance terminal device according to another embodiment of the present disclosure;

fig. 14 is a flowchart illustrating a reselection method for positioning assistance terminal equipment according to still another embodiment of the disclosure;

fig. 15 is a flowchart illustrating a reselection method for a positioning assistance terminal device according to another embodiment of the present disclosure;

fig. 16 is a flowchart illustrating a reselection method for a positioning assistance terminal device according to another embodiment of the present disclosure;

fig. 17 is a flowchart illustrating a reselection method for a positioning assistance terminal device according to another embodiment of the present disclosure;

fig. 18 is a flowchart illustrating a reselection method for a positioning assistance terminal device according to another embodiment of the present disclosure;

fig. 19 is a flowchart illustrating a reselection method for a positioning assistance terminal device according to another embodiment of the present disclosure;

fig. 20 is a flowchart illustrating a reselection method for a positioning assistance terminal device according to another embodiment of the present disclosure;

fig. 21 is a schematic structural diagram of a reselection apparatus for positioning auxiliary terminal equipment according to an embodiment of the present disclosure;

fig. 22 is a schematic structural diagram of a reselection apparatus for positioning auxiliary terminal equipment according to another embodiment of the present disclosure;

fig. 23 is a schematic structural diagram of a reselection apparatus for positioning assistance terminal equipment according to another embodiment of the present disclosure;

fig. 24 is a schematic structural diagram of a reselection apparatus for positioning auxiliary terminal equipment according to another embodiment of the present disclosure;

fig. 25 is a schematic structural diagram of a reselection apparatus for positioning auxiliary terminal equipment according to another embodiment of the present disclosure;

fig. 26 is a block diagram of a terminal device according to an embodiment of the present disclosure;

fig. 27 is a block diagram of a network-side device according to an embodiment of the present disclosure.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with embodiments of the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the disclosed embodiments, as detailed in the appended claims.

The terminology used in the embodiments of the present disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the embodiments of the present disclosure. As used in the disclosed embodiments and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

It is to be understood that although the terms first, second, third, etc. may be used herein to describe various information in the embodiments of the present disclosure, such information should not be limited by these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of embodiments of the present disclosure. The words "if" and "if" as used herein may be interpreted as "at … …" or "at … …" or "in response to a determination", depending on the context.

The network element or the network function related in the embodiment of the present disclosure may be implemented by an independent hardware device, or may be implemented by software in a hardware device, which is not limited in the embodiment of the present disclosure.

Positioning based on a Sidelink link between a terminal Equipment (UE) and the UE includes absolute positioning, relative positioning, and ranging. Absolute positioning is also to determine the absolute coordinates of the UE, relative positioning is to determine the coordinates of the UE with respect to a reference point, and ranging is to determine the distance and/or angle of the UE with respect to a reference point. Ranging generally refers to ranging between only two UEs, but absolute positioning and relative positioning may involve multiple assisting UEs to participate in positioning.

Fig. 1 illustrates an example schematic diagram of a reselection method for a positioning assistance terminal device according to an embodiment of the present disclosure. As shown in fig. 1, taking the Downlink time difference of arrival (DL-TDOA) based positioning method as an example, a plurality of Road Side Units (RSUs) may be disposed at the Road Side, and each RSU may correspond to fixed location information, for example. The UE may determine a specific location of the UE relative to the RSU based on the positioning signals transmitted by the multiple roadside units over the sidelink link by measuring the positioning signals. The plurality of RSUs may be, for example, three or more. For example, the positioning signal may include position information of a road side unit, the UE may measure arrival time differences of three positioning signals transmitted by three road side units, and based on the arrival time differences of the three positioning signals and the position information of each road side unit, the UE may determine position information of the UE or position information of the UE relative to one road side unit.

Among them, in addition to DL-TDOA, the positioning scheme has Uplink time difference of arrival (UL-TDOA), multiple round trip time (Multiple RTT), angle-of-arrival (AOA) or angle-of-departure (AOD), carrier phase positioning, and so on. If the positioning result is that absolute position information such as GPS based on RSU is not converted into absolute position coordinates, the positioning result is relative positioning. Otherwise, it is absolute positioning. RSUs participating in relative positioning or absolute positioning are positioning assistance UEs.

Among them, in one embodiment of the present disclosure, if positioning involves only two UEs, the two UEs are mutually the positioning assistance UEs of each other.

And, in one embodiment of the present disclosure, there are different types in the positioning assistance UE, such as positioning assistance UE that may include RSU type. Wherein, the positioning assistance UE of RSU type belongs to an infrastructure, which can provide positioning service by cooperating with other RSUs. For example, a normal UE may also be used as a positioning assistance UE, which is difficult to assist in providing positioning services with other UEs. In addition, some positioning assistance UEs have position information such as GPS, which may assist other UEs in absolute positioning, and other positioning assistance UEs may not have position information such as GPS.

A method, an apparatus, a device, and a storage medium for reselecting a positioning assistance terminal device according to an embodiment of the present disclosure are described in detail below with reference to the accompanying drawings.

Fig. 2 is a flowchart illustrating a reselection method for a positioning assistance terminal device according to an embodiment of the present disclosure, where the method is executed by a first terminal device, and as shown in fig. 2, the method may include the following steps:

step 201, in response to the side chain SL positioning procedure being performed satisfying a first specific event, performing at least one of the following operations:

reselecting the positioning auxiliary terminal equipment;

the positioning procedure is terminated.

It should be noted that in one embodiment of the present disclosure, a terminal device may refer to a device that provides voice and/or data connectivity to a user. The terminal device may communicate with one or more core networks via a Radio Access Network (RAN), and the terminal device may be an internet of things terminal device, such as a sensor device, a mobile phone (or called "cellular" phone), and a computer having the internet of things terminal device, and may be a fixed, portable, pocket, handheld, computer-embedded, or vehicle-mounted device, for example. For example, a subscriber Station (Station), a subscriber unit (subscriber unit), a subscriber Station (subscriber Station), a mobile Station (mobile), a remote Station (remote Station), an access point, a remote terminal (remote terminal), an access terminal (access terminal), a user terminal (user terminal), or a user agent (user agent). Alternatively, the terminal device may also be a device of an unmanned aerial vehicle. Or, the terminal device may also be a vehicle-mounted device, for example, a vehicle computer with a wireless communication function, or a wireless terminal device externally connected to the vehicle computer. Alternatively, the terminal device may be a roadside device, for example, a street lamp, a signal lamp or other roadside device with a wireless communication function.

In an embodiment of the present disclosure, the first terminal device may be, for example, a terminal that is performing an SL positioning procedure. The first terminal device may determine the location information of the first terminal device, for example, based on the location information reported by the multiple positioning assistance terminal devices. The positioning assistance terminal device may be, for example, an RSU.

In an embodiment of the present disclosure, in the ongoing SL positioning process, for example, the reporting mode of the position or the measurement result may be periodic reporting, the reporting mode of the position or the measurement result may also be event-triggered reporting, and the reporting mode of the position or the measurement result may also be one-time reporting.

And, in one embodiment of the present disclosure, one or more positioning assistance terminal devices may participate in the SL positioning procedure. The SL positioning process may comprise at least one of SL-TDOA, SL-AOA and SL-AOD, for example.

In an embodiment of the present disclosure, when the base station or the second terminal device receives the information reported by the first terminal device, the base station or the second terminal device may trigger a reselection process of the positioning assistance terminal device. Wherein the base station or the second terminal device is a device having a reselection decision right.

And, in one embodiment of the present disclosure, wherein the first specific event includes at least one of:

the sidelink link of the current serving positioning assistance terminal device with the first terminal device experiences radio link failure, RLF.

And, in one embodiment of the disclosure, the method further comprises:

receiving configuration sent by a base station; or

Determining the configuration according to the pre-configuration information of the first terminal device,

wherein the configuration comprises at least one of a signal quality threshold configuration, a distance threshold configuration, a specific area configuration and a period configuration.

For example, in one embodiment of the present disclosure, the Signal Quality may include at least one of Reference Signal Receiving Power (RSRP), reference Signal Receiving Quality (RSRQ), received Signal Strength Indicator (RSSI), signal to Interference plus Noise Ratio (SINR), for example. The Signal includes, but is not limited to, one or more of a SL Positioning Reference Signal (PRS) Signal transmitted by the Positioning assistance terminal device, a SL Channel State Information-Reference Signal (CSI-RS)/CSI-RS Signal transmitted by the Positioning assistance terminal device, and a Primary Synchronization Signal (PSS)/Secondary Synchronization Signal (SSS) Signal transmitted by the Positioning assistance terminal device.

Illustratively, in an embodiment of the present disclosure, the Demodulation Reference Signal (DM-RS) may be a DM-RS of a Physical downlink Control Channel (PSCCH) or a Physical Sidelink Discovery Channel (PSDCH), the Control Channel PSCCH is a Serial Communication Interface (SCI) transmitted by the positioning assistance terminal device, the data Channel PSDCH is a data packet for Discovery transmitted by the positioning assistance terminal device, or a Communication data packet.

For example, in one embodiment of the present disclosure, the signal quality of the currently serving positioning assistance terminal device not meeting the signal quality threshold requirement may be, for example, the signal quality of the currently serving positioning assistance terminal device being less than a threshold. For example, it may be that the RSRP of the current serving positioning assistance terminal device is less than the RSRP threshold.

Illustratively, in one embodiment of the disclosure, the first terminal device may receive a configuration transmitted by the base station, wherein the configuration comprises a signal quality threshold configuration; alternatively, the first terminal device may determine the signal quality threshold configuration from pre-configured information of the first terminal device.

And, in one embodiment of the present disclosure, the first specific event may for example be that the distance of the current serving positioning assistance terminal device from the first terminal device does not meet a distance threshold requirement. The first terminal device calculates a distance between a Global Positioning System (GPS) position of the first terminal device and a GPS position of the Positioning assistance terminal device based on the GPS position.

For example, in one embodiment of the present disclosure, the first terminal device may calculate the distance between the GPS position of the first terminal device and the center position of the cell zone to which the positioning assistance terminal device belongs, wherein the zone to which the positioning assistance terminal device belongs may be broadcasted to the first terminal device by the positioning assistance terminal device, or the positioning assistance terminal device informs the first terminal device through SCI or the like.

For example, in one embodiment of the present disclosure, the first specific event may be, for example, that the distance of the current serving positioning assistance terminal device from the first terminal device does not satisfy the distance threshold requirement, and may be, for example, that the distance of the current serving positioning assistance terminal device from the first terminal device is greater than the distance threshold.

Illustratively, in one embodiment of the disclosure, a first terminal device may receive a configuration transmitted by a base station, wherein the configuration includes a distance threshold configuration; alternatively, the first terminal device may determine the distance threshold configuration according to pre-configuration information of the first terminal device.

And, in one embodiment of the disclosure, the signal quality of the currently serving positioning assistance terminal device not meeting the signal quality threshold requirement may be, for example, the first terminal device or the currently serving positioning assistance terminal device leaving a particular area. Wherein the specific Area may be at least one of a cell list, or a Tracking Area (TA)/RAN-based Notification Area (RNA) list, or a zone list.

Illustratively, in one embodiment of the disclosure, a first terminal device may receive a configuration transmitted by a base station, wherein the configuration comprises a specific area configuration; alternatively, the first terminal device may determine the specific zone configuration according to pre-configuration information of the first terminal device.

And, in an embodiment of the present disclosure, the signal quality of the current serving positioning auxiliary terminal device does not meet the signal quality threshold requirement, for example, may be that the time length from the last position information reported by the SL positioning or the measurement result exceeds a preset time length. For example, it may be that the periodic location information or the measurement result reporting timer expires.

Illustratively, in one embodiment of the disclosure, a first terminal device may receive a configuration transmitted by a base station, wherein the configuration comprises a periodic configuration; alternatively, the first terminal device may determine the periodic configuration according to pre-configuration information of the first terminal device.

And, in one embodiment of the disclosure, the signal quality of the current serving positioning assistance terminal device not meeting the signal quality threshold requirement may be, for example, that the current serving positioning assistance terminal device and the sidelink link of the first terminal device have radio link failure, RLF. For example, a unicast SL link is established between the first terminal device and the currently serving positioning assistance terminal device.

Illustratively, in one embodiment of the disclosure, the information includes at least one of:

triggering a first reported triggering event;

measuring the signal quality of other positioning auxiliary terminal devices, wherein the other positioning auxiliary terminal devices are terminal devices which do not participate in the SL positioning process;

a device identification of the first terminal device.

For example, in an embodiment of the present disclosure, the first terminal device may report the measurement result of the current serving positioning assistance terminal device that does not meet the signal quality threshold requirement, or report the measurement results of all positioning assistance terminal devices, for example.

For example, in an embodiment of the present disclosure, when the first terminal device reports the measurement result of the current serving positioning assistance terminal device, the identifier ID of the positioning assistance terminal device may be reported at the same time. The ID includes, but is not limited to, at least one or more of Cell-radio network Temporary identifier (C-RNTI), international Mobile Subscriber Identity (IMSI), temporary Mobile Subscriber Identity (TMSI), sidelink link layer two source identifier SL L2 source ID/Sidelink link layer two destination identifier SL L2 destination ID, sidelink link system information identifier slsid, invalid Temporary identifier (I-RNTI), and application layer identifier application layer ID.

For example, in an embodiment of the present disclosure, when the first terminal device reports the measurement result of the current serving positioning assistance terminal device, the first terminal device may report the SL-PRS resource identifier resource ID and/or the resource set identifier resource set ID corresponding to the measurement result at the same time.

For example, in an embodiment of the present disclosure, the first terminal device may report the signal quality measurement results of other positioning auxiliary terminal devices, where the other positioning auxiliary terminal devices are terminal devices that do not participate in the SL positioning procedure. For example, the number of other positioning assistance terminal devices detected by the first terminal device is greater than the maximum value X that can be reported, and the first terminal device may report the top X positioning assistance terminal devices according to the RSRP and/or RSRQ value. Wherein X is a positive integer.

For example, in an embodiment of the present disclosure, when the first terminal device reports the measurement result of the positioning assistance terminal device, the first terminal device reports the ID of the positioning assistance terminal device, such as C-RNTI, IMSI, TMSI, SL L2 source ID/SL L2 destination ID, slsid, I-RNTI, and application layer ID.

For example, in an embodiment of the present disclosure, when the first terminal device reports the measurement result of the positioning assistance terminal device reported by the UE, the first terminal device reports the SL-PRS resource ID and/or resource set ID corresponding to the measurement result at the same time.

Among others, in one embodiment of the present disclosure, reselecting a positioning assistance terminal device includes at least one of:

sending a first message to current service positioning auxiliary terminal equipment which does not meet SL positioning service requirements, wherein the first message is used for canceling the current service positioning auxiliary terminal equipment or deactivating the current service positioning auxiliary terminal equipment;

In an embodiment of the present disclosure, the first message refers to a message sent by the first terminal device to the current serving positioning assistance terminal device that does not meet the SL positioning service requirement, the first message does not refer to a certain fixed message in particular, and the "first" of the "first message" is only used for distinguishing from the rest messages.

And, in an embodiment of the present disclosure, the second message refers to a message sent by the first terminal device to the target positioning assistance terminal device that meets the SL positioning service requirement, the second message does not refer to a specific fixed message, and the "second" of the "second message" is only used for distinguishing from the rest of the messages.

Illustratively, in one embodiment of the disclosure, the positioning assistance terminal device required by the SL positioning service may include, for example, at least one of a signal quality satisfying threshold, a distance satisfying distance threshold, and a region satisfying a specific region threshold.

For example, in one embodiment of the present disclosure, cancellation of the currently serving positioning assistance terminal device may employ a configuration prior to de-configuration (such as SL-PRS resource configuration) or instruct the positioning assistance terminal device to terminate the current positioning procedure. Deactivating the positioning assistance terminal device is to retain the previous configuration, but the configuration is not activated.

Illustratively, in one embodiment of the disclosure, configuring the target positioning assistance terminal device comprises configuring SL-PRS resources of the target positioning assistance terminal device, and activating the positioning assistance terminal device is then a positioning assistance terminal device configuration prior to activation, comprising SL-PRS resource configurations.

For example, in one embodiment of the present disclosure, if there are a plurality of candidate positioning assistance terminal devices satisfying the threshold requirement, the first terminal device may select the highest ranked positioning assistance terminal device as the target positioning assistance terminal device from high to low according to RSRP and/or RSRQ.

Illustratively, in one embodiment of the disclosure, the method further comprises:

in response to triggering a second specific event, not triggering the reselection of the positioning assistance terminal device; and/or not reporting the information to the base station or the second terminal equipment.

Illustratively, in one embodiment of the disclosure, the second specific event includes at least one of:

the SL positioning process is SL-round trip time RTT;

the SL positioning procedure involves a current serving positioning assistance terminal;

the triggering mode of the position reporting or the measurement result reporting of the SL positioning process is not a periodic triggering or an event triggering.

Illustratively, in one embodiment of the disclosure, terminating the positioning procedure comprises:

For example, in one embodiment of the present disclosure, the first terminal device may send the third message only to the current serving positioning assistance terminal device that does not meet the requirements, or may send the third message to all positioning assistance terminal devices.

Illustratively, in one embodiment of the disclosure, the first terminal device may terminate the current positioning procedure if the currently serving positioning assistance terminal device that does not meet the requirements is at least one of responsible for positioning calculation, PRS resource coordination, positioning assistance terminal device selection and reselection, positioning method selection, and the like.

a Sidelink LPP message;

a PC5-S message;

radio resource control RRC message.

For example, in an embodiment of the present disclosure, the information interaction using the LPP message or the Sidelink LPP message may specifically be information interaction using requesting auxiliary information and/or providing auxiliary information.

performing information interaction with the current service positioning auxiliary terminal equipment or the target positioning auxiliary terminal equipment through at least one of the following messages:

a Sidelink LPP message;

a PC5-S message;

radio resource control RRC message.

In summary, in the embodiments of the present disclosure, at least one of the following operations is performed: reselecting the positioning auxiliary terminal equipment; reporting information to a base station or sending the information to a second terminal device; the positioning procedure is terminated. In an embodiment of the present disclosure, a reselection mechanism of the positioning assistance terminal device may be provided, and reselection of the positioning assistance terminal device may be performed based on the first specific event. The present disclosure provides a processing method for a situation of "reselection of positioning auxiliary terminal device", so as to reselect the positioning auxiliary terminal device based on a first specific event, which can provide a reselection mechanism of the positioning auxiliary terminal device, reduce the situation that the positioning information determination is inaccurate when the positioning auxiliary terminal device does not meet the SL positioning requirement, and improve the accuracy of the positioning information determination.

Fig. 3 is a flowchart illustrating a reselection method for a positioning assistance terminal device according to an embodiment of the present disclosure, where the method is executed by a first terminal device, and as shown in fig. 3, the method may include the following steps:

step 301, receiving a configuration sent by a base station, wherein the configuration includes at least one of a signal quality threshold configuration, a distance threshold configuration, a specific area configuration and a period configuration;

step 302, determining a configuration according to the pre-configuration information of the first terminal device, wherein the configuration includes at least one of a signal quality threshold configuration, a distance threshold configuration, a specific area configuration and a period configuration.

In an embodiment of the present disclosure, step 301 and step 302 may be executed alternatively, that is, only one of step 301 and step 302 is executed, or may be executed simultaneously.

To sum up, in the embodiments of the present disclosure, a configuration sent by a base station is received; or determining a configuration according to the pre-configuration information of the first terminal device, wherein the configuration comprises at least one of a signal quality threshold configuration, a distance threshold configuration, a specific area configuration and a period configuration. In an embodiment of the present disclosure, a reselection mechanism of the positioning assistance terminal device may be provided, and reselection of the positioning assistance terminal device may be performed based on the first specific event. The embodiment of the disclosure specifically discloses a scheme for configuration determination in a first specific event, so as to improve the accuracy of whether to reselect a positioning auxiliary terminal device. The present disclosure provides a processing method for a situation of "reselection of positioning auxiliary terminal device", so as to reselect the positioning auxiliary terminal device based on a first specific event, which can provide a reselection mechanism of the positioning auxiliary terminal device, reduce the situation that the positioning information determination is inaccurate when the positioning auxiliary terminal device does not meet the SL positioning requirement, and improve the accuracy of the positioning information determination.

Fig. 4 is a flowchart illustrating a reselection method for a positioning assistance terminal device according to an embodiment of the present disclosure, where the method is executed by a first terminal device, and as shown in fig. 4, the method may include the following steps:

step 401, in response to that the side chain SL positioning process meets the first specific event, sending a first message to a current service positioning auxiliary terminal device that does not meet the SL positioning service requirement, where the first message is used to cancel the current service positioning auxiliary terminal device or deactivate the current service positioning auxiliary terminal device;

step 402, in response to the side chain SL positioning procedure meeting the first specific event, sending a second message to the target positioning auxiliary terminal device meeting the SL positioning service requirement, where the second message is used to configure the target positioning auxiliary terminal device as the positioning auxiliary terminal device or activate the configuration of the target positioning auxiliary terminal device.

In an embodiment of the present disclosure, the first message refers to a message sent by the first terminal device to the current serving positioning auxiliary terminal device that does not meet the SL positioning service requirement, the first message does not refer to a specific fixed message, and the "first" of the "first message" is only used for distinguishing from the rest of messages.

Illustratively, in one embodiment of the disclosure, the positioning assistance terminal device required by the SL positioning service may include, for example, at least one of a signal quality satisfying threshold, a distance satisfying distance threshold, and an area satisfying a specific area threshold.

Illustratively, in one embodiment of the disclosure, configuring the target positioning assistance terminal device includes configuring SL-PRS resources of the target positioning assistance terminal device, and activating the positioning assistance terminal device is then a positioning assistance terminal device configuration prior to activation, including SL-PRS resource configuration.

And, in an embodiment of the present disclosure, fig. 5 is an interaction schematic diagram of a reselection method for a positioning assistance terminal device provided in an embodiment of the present disclosure, as shown in fig. 5, in response to a side chain SL positioning procedure being performed to satisfy a first specific event, a first terminal device may send a first message to a current serving positioning assistance terminal device that does not satisfy SL positioning service requirements, or send a second message to a target positioning assistance terminal device that satisfies SL positioning service requirements.

In an embodiment of the present disclosure, step 401 and step 402 may be executed alternatively or simultaneously.

In summary, in the embodiment of the present disclosure, in response to that the side chain SL positioning procedure satisfies the first specific event, a first message is sent to the current serving positioning assistance terminal device that does not satisfy the SL positioning service requirement, where the first message is used to cancel the current serving positioning assistance terminal device or deactivate the current serving positioning assistance terminal device; and in response to the side chain SL positioning process meeting the first specific event, sending a second message to the target positioning auxiliary terminal equipment meeting the SL positioning service requirement, wherein the second message is used for configuring the target positioning auxiliary terminal equipment as the positioning auxiliary terminal equipment or activating the configuration of the target positioning auxiliary terminal equipment. In an embodiment of the present disclosure, a reselection mechanism of the positioning assistance terminal device may be provided, and reselection of the positioning assistance terminal device may be performed based on the first specific event. In the embodiment of the present disclosure, a scheme of how the first terminal device performs reselection of the positioning assistance terminal device is specifically disclosed. The present disclosure provides a processing method for a situation of "reselection of positioning auxiliary terminal device", so as to reselect the positioning auxiliary terminal device based on a first specific event, which can provide a reselection mechanism of the positioning auxiliary terminal device, reduce the situation that the positioning information determination is inaccurate when the positioning auxiliary terminal device does not meet the SL positioning requirement, and improve the accuracy of the positioning information determination.

Fig. 6 is a flowchart illustrating a reselection method for a positioning assistance terminal device according to an embodiment of the present disclosure, where the method is executed by a first terminal device, and as shown in fig. 6, the method may include the following steps:

601, responding to a second specific event, and not triggering to reselect the auxiliary positioning terminal equipment; and/or not reporting the information to the base station or the second terminal equipment.

Wherein, in an embodiment of the present disclosure, the second specific event includes at least one of:

the SL positioning process is SL-round trip time RTT;

In summary, in the embodiment of the present disclosure, in response to triggering the second specific event, the reselection of the positioning assistance terminal device is not triggered; and/or not reporting the information to the base station, the LMF or the second terminal equipment. In an embodiment of the present disclosure, a reselection mechanism of the positioning assistance terminal device may be provided, and reselection of the positioning assistance terminal device may be performed based on the first specific event. In the embodiment of the present disclosure, it is specifically disclosed that the reselection of the auxiliary positioning terminal device is not triggered when the second specific event is triggered; and/or does not report information to the base station or the second terminal equipment. The present disclosure provides a processing method for a situation of "reselection of positioning auxiliary terminal device", so as to reselect the positioning auxiliary terminal device based on a first specific event, which can provide a reselection mechanism of the positioning auxiliary terminal device, reduce the situation that the positioning information determination is inaccurate when the positioning auxiliary terminal device does not meet the SL positioning requirement, and improve the accuracy of the positioning information determination.

Fig. 7 is a flowchart illustrating a reselection method for a positioning assistance terminal device according to an embodiment of the present disclosure, where the method is executed by a first terminal device, and as shown in fig. 7, the method may include the following steps:

step 701, in response to that the side chain SL positioning procedure meets the first specific event, sending a third message to the current serving positioning auxiliary terminal device, where the third message is used to terminate the SL positioning procedure.

For example, in one embodiment of the present disclosure, the first terminal device may send the third message only to the currently serving positioning assistance terminal device that does not meet the requirements, or may send the third message to all positioning assistance terminal devices.

In summary, in the embodiment of the present disclosure, in response to the performing of the side chain SL positioning procedure satisfying the first specific event, a third message is sent to the currently serving positioning auxiliary terminal device, where the third message is used to terminate the SL positioning procedure. In an embodiment of the present disclosure, a reselection mechanism of the positioning assistance terminal device may be provided, and reselection of the positioning assistance terminal device may be performed based on the first specific event. In the embodiment of the present disclosure, a scheme for terminating the SL positioning procedure by the first terminal device is specifically disclosed. The present disclosure provides a processing method for a situation of "reselection of positioning auxiliary terminal device", so as to reselect the positioning auxiliary terminal device based on a first specific event, which may provide a reselection mechanism of the positioning auxiliary terminal device, reduce the situation that the positioning information determination is inaccurate when the positioning auxiliary terminal device does not meet the SL positioning requirement, and may improve the accuracy of the positioning information determination.

Fig. 8 is a flowchart illustrating a reselection method for a location assisted terminal device according to an embodiment of the present disclosure, where the method is executed by a second terminal device, and as shown in fig. 8, the method may include the following steps:

step 801, receiving information reported by a first terminal device; and

and triggering a reselection process of the positioning auxiliary terminal equipment, wherein the information is reported when the SL positioning process performed by the first terminal equipment in response to the first terminal equipment meets the first specific event.

Wherein, in one embodiment of the present disclosure, the first specific event includes at least one of:

In an embodiment of the present disclosure, triggering a reselection procedure of a positioning assistance terminal device includes:

sending a first message to a current service positioning auxiliary terminal device which does not meet the requirements of the SL positioning service, wherein the first message is used for canceling the current service positioning auxiliary terminal device or deactivating the current service positioning auxiliary terminal device, and the current service positioning auxiliary terminal device is a terminal device participating in the SL positioning process;

a radio link failure, RLF, occurs for the sidelink link between the current serving positioning assistance terminal device and the first terminal device.

Exemplarily, in an embodiment of the present disclosure, fig. 9 is an interaction schematic diagram of a reselection method for a positioning assistance terminal device provided in the embodiment of the present disclosure, and as shown in fig. 9, in response to that a side chain SL positioning procedure satisfies a first specific event, a first terminal device may report information to a second terminal device. The second terminal device may receive the information and trigger a location assisted terminal device reselection procedure.

and determining the target position service terminal equipment, canceling the second terminal equipment or deactivating the second terminal equipment in response to the second terminal equipment being the current service positioning auxiliary terminal equipment which does not meet the SL positioning service requirement.

Further, in an embodiment of the present disclosure, the second terminal device may be, for example, a terminal device having a function responsible for positioning assistance terminal device selection and reselection, such as a location service terminal device location server UE.

triggering a first reported triggering event;

the device identification of the first terminal device.

a Sidelink LPP message;

a PC5-S message;

radio resource control RRC message.

In summary, in the embodiment of the present disclosure, information reported by the first terminal device is received; and triggering a reselection process of the positioning auxiliary terminal equipment, wherein the information is reported by the first terminal equipment when the SL positioning process performed by the first terminal equipment in response to the first terminal equipment meets the first specific event. In the embodiment of the present disclosure, a reselection mechanism of the positioning assistance terminal device may be provided, and information reported by the first terminal device may be received to trigger reselection of the positioning assistance terminal device. The present disclosure provides a processing method for a situation of "reselection of positioning auxiliary terminal device", so as to reselect the positioning auxiliary terminal device based on information reported by the first terminal device, and can provide a reselection mechanism for the positioning auxiliary terminal device, reduce the situation that positioning information determination is inaccurate when the positioning auxiliary terminal device does not meet the SL positioning requirement, and improve the accuracy of positioning information determination.

Fig. 10 is a flowchart illustrating a reselection method for a positioning assistance terminal device according to an embodiment of the present disclosure, where the method is executed by a base station, and as shown in fig. 10, the method may include the following steps:

1001, receiving information reported by a first terminal device; and

Among others, in one embodiment of the present disclosure, the first specific event includes at least one of:

Exemplarily, in an embodiment of the present disclosure, fig. 11 is an interaction schematic diagram of a reselection method for a positioning assistance terminal device provided in the embodiment of the present disclosure, and as shown in fig. 11, in response to that a side chain SL positioning procedure satisfies a first specific event, a first terminal device may report information to a base station. The base station may receive the information and trigger a location assisted terminal device reselection procedure.

Illustratively, in one embodiment of the present disclosure, triggering a location assisted terminal device reselection procedure includes:

and sending the configuration to the first terminal equipment, wherein the configuration comprises at least one of signal quality threshold configuration, distance threshold configuration, specific area configuration and period configuration.

and forwarding the configuration to the first terminal equipment.

For example, in an embodiment of the present disclosure, fig. 12 is an interaction schematic diagram of a reselection method of a Location assisted terminal device according to an embodiment of the present disclosure, and as shown in fig. 12, a network side device may be, for example, a Location Management Function (LMF). The base station may receive the configuration sent by the network side device, which may be, for example, an LMF, in which case the base station may receive the configuration sent by the LMF. The base station may forward the configuration to the first terminal device.

and sending the information to the network side equipment.

Exemplarily, in an embodiment of the present disclosure, fig. 13 is an interaction schematic diagram of a reselection method for a positioning assistance terminal device provided in the embodiment of the present disclosure, and as shown in fig. 13, in response to that a side chain SL positioning procedure satisfies a first specific event, a first terminal device may report information to a base station. The base station may receive the information and send the information to the LMF. The LMF may receive the information and the LMF may trigger a location assisted terminal device reselection procedure.

triggering a reported first trigger event;

the device identification of the first terminal device.

a Sidelink LPP message;

a PC5-S message;

radio resource control RRC message.

performing information interaction with network side equipment through at least one of the following messages:

a Sidelink LPP message;

a PC5-S message;

radio resource control RRC message.

In summary, in the embodiment of the present disclosure, information reported by a first terminal device is received; and triggering a reselection process of the positioning auxiliary terminal equipment, wherein the information is reported by the first terminal equipment when the SL positioning process performed by the first terminal equipment in response to the first terminal equipment meets the first specific event. In the embodiment of the present disclosure, a reselection mechanism of the positioning assistance terminal device may be provided, and information reported by the first terminal device may be received to trigger reselection of the positioning assistance terminal device. The present disclosure provides a processing method for a situation of "reselection of positioning auxiliary terminal device", so as to reselect the positioning auxiliary terminal device based on information reported by the first terminal device, and can provide a reselection mechanism for the positioning auxiliary terminal device, reduce the situation that positioning information determination is inaccurate when the positioning auxiliary terminal device does not meet the SL positioning requirement, and improve the accuracy of positioning information determination.

Fig. 14 is a flowchart illustrating a reselection method for a positioning assistance terminal device according to an embodiment of the present disclosure, where the method is executed by a base station, and as shown in fig. 14, the method may include the following steps:

1401, receiving information reported by a first terminal device, and sending a first message to a current service positioning auxiliary terminal device which does not meet the SL positioning service requirement, wherein the first message is used for canceling the current service positioning auxiliary terminal device or deactivating the current service positioning auxiliary terminal device, and the current service positioning auxiliary terminal device is a terminal device participating in an SL positioning process;

step 1402, receiving the information reported by the first terminal device, and sending a second message to the target positioning auxiliary terminal device meeting the SL positioning service requirement, where the second message is used to configure the target positioning auxiliary terminal device as the positioning auxiliary terminal device or activate the configuration of the target positioning auxiliary terminal device.

performing information interaction with the first terminal equipment or the current service positioning auxiliary terminal equipment or the target positioning auxiliary terminal equipment through at least one of the following messages:

a Sidelink LPP message;

a PC5-S message;

radio resource control RRC message.

To sum up, in the embodiment of the present disclosure, information reported by a first terminal device is received, and a first message is sent to a current service positioning auxiliary terminal device that does not meet the SL positioning service requirement, where the first message is used to cancel the current service positioning auxiliary terminal device or deactivate the current service positioning auxiliary terminal device, where the current service positioning auxiliary terminal device is a terminal device participating in an SL positioning process; and receiving information reported by the first terminal equipment, and sending a second message to the target positioning auxiliary terminal equipment meeting the SL positioning service requirement, wherein the second message is used for configuring the target positioning auxiliary terminal equipment as the positioning auxiliary terminal equipment or activating the configuration of the target positioning auxiliary terminal equipment. In the embodiment of the present disclosure, a reselection mechanism of the positioning assistance terminal device may be provided, and information reported by the first terminal device may be received to trigger reselection of the positioning assistance terminal device. In the embodiment of the present disclosure, a scheme of how a base station performs reselection of a positioning assistance terminal device is specifically disclosed. The present disclosure provides a processing method for a situation of "reselection of positioning auxiliary terminal device", so as to reselect the positioning auxiliary terminal device based on information reported by the first terminal device, and can provide a reselection mechanism for the positioning auxiliary terminal device, reduce the situation that positioning information determination is inaccurate when the positioning auxiliary terminal device does not meet the SL positioning requirement, and improve the accuracy of positioning information determination.

Fig. 15 is a flowchart illustrating a reselection method for a positioning assistance terminal device according to an embodiment of the present disclosure, where the method is executed by a base station, and as shown in fig. 15, the method may include the following steps:

step 1501, sending a configuration to the first terminal device, wherein the configuration includes at least one of a signal quality threshold configuration, a distance threshold configuration, a specific area configuration, and a period configuration.

a Sidelink LPP message;

a PC5-S message;

radio resource control RRC message.

In summary, in the embodiments of the present disclosure, a configuration is sent to the first terminal device, where the configuration includes at least one of a signal quality threshold configuration, a distance threshold configuration, a specific area configuration, and a period configuration. In an embodiment of the present disclosure, a reselection mechanism of the positioning assistance terminal device may be provided, and reselection of the positioning assistance terminal device may be performed based on the first specific event. The embodiment of the disclosure specifically discloses a scheme for configuration determination in a first specific event, so as to improve the accuracy of whether to reselect a positioning auxiliary terminal device. The present disclosure provides a processing method for a situation of "reselection of positioning auxiliary terminal device", so as to reselect the positioning auxiliary terminal device based on information reported by the first terminal device, and can provide a reselection mechanism for the positioning auxiliary terminal device, reduce the situation that positioning information determination is inaccurate when the positioning auxiliary terminal device does not meet the SL positioning requirement, and improve the accuracy of positioning information determination.

Fig. 16 is a flowchart illustrating a reselection method for a positioning assistance terminal device according to an embodiment of the present disclosure, where the method is executed by a base station, and as shown in fig. 16, the method may include the following steps:

step 1601, receiving a configuration sent by a network side device, wherein the configuration includes at least one of a signal quality threshold configuration, a distance threshold configuration, a specific area configuration and a period configuration;

step 1602, forwarding the configuration to the first terminal device.

To sum up, in the embodiment of the present disclosure, a configuration sent by a network side device is received, where the configuration includes at least one of a signal quality threshold configuration, a distance threshold configuration, a specific area configuration, and a period configuration; and forwarding the configuration to the first terminal equipment. In an embodiment of the present disclosure, a reselection mechanism of the positioning assistance terminal device may be provided, and reselection of the positioning assistance terminal device may be performed based on the first specific event. The embodiment of the disclosure specifically discloses a scheme for configuration determination in a first specific event, so as to improve the accuracy of whether to reselect a positioning auxiliary terminal device. The present disclosure provides a processing method for a situation of "reselection of positioning auxiliary terminal device", so as to reselect the positioning auxiliary terminal device based on information reported by the first terminal device, and can provide a reselection mechanism for the positioning auxiliary terminal device, reduce the situation that positioning information determination is inaccurate when the positioning auxiliary terminal device does not meet the SL positioning requirement, and improve the accuracy of positioning information determination.

Fig. 17 is a flowchart illustrating a reselection method for a positioning assistance terminal device according to an embodiment of the present disclosure, where the method is executed by a base station, and as shown in fig. 17, the method may include the following steps:

step 1701, receiving information reported by a first terminal device, wherein the information is reported by the first terminal device in response to a first specific event that a SL positioning process performed by the first terminal device meets the requirements of the first specific event;

step 1702, send the information to the network side device.

In an embodiment of the present disclosure, a base station may send information to a network side device. The network-side device may be, for example, an LMF. When the LMF receives the information, a location assisted terminal device reselection procedure may be triggered.

In summary, in the embodiment of the present disclosure, information reported by a first terminal device is received, where the information is reported when a SL positioning procedure performed by the first terminal device in response to the first terminal device satisfies a first specific event; and sending the information to the network side equipment. In the embodiment of the present disclosure, a reselection mechanism of the positioning assistance terminal device may be provided, and information reported by the first terminal device may be received to trigger reselection of the positioning assistance terminal device. The present disclosure provides a processing method for a situation of "reselection of positioning auxiliary terminal device", and a network side device reselects the positioning auxiliary terminal device based on information reported by a first terminal device, so that a reselection mechanism of the positioning auxiliary terminal device can be provided, thereby reducing a situation that positioning information determination is inaccurate when the positioning auxiliary terminal device does not meet SL positioning requirements, and improving accuracy of the positioning information determination.

Fig. 18 is a flowchart illustrating a reselection method for a positioning assistance terminal device according to an embodiment of the present disclosure, where the method is executed by a base station, and as shown in fig. 18, the method may include the following steps:

step 1801, receiving a configuration sent by a network side device, where the configuration includes at least one of a signal quality threshold configuration, a distance threshold configuration, a specific area configuration, and a period configuration;

step 1802, forwarding the configuration to the first terminal device.

Fig. 19 is a flowchart illustrating a reselection method for a location assisted terminal device according to an embodiment of the present disclosure, where the method is executed by a network side device, and as shown in fig. 19, the method may include the following steps:

step 1901, receiving information sent by the base station, where the information is reported to the base station when the SL positioning procedure performed by the first terminal device in response to the first terminal device satisfies the first specific event.

In summary, in the embodiment of the present disclosure, information sent by the base station is received, where the information is reported to the base station when the SL positioning procedure performed by the first terminal device in response to the first terminal device satisfies the first specific event. In the embodiment of the present disclosure, a reselection mechanism of the positioning assistance terminal device may be provided, and information reported by the first terminal device may be received to trigger reselection of the positioning assistance terminal device. The present disclosure provides a processing method for the situation of "reselection of positioning auxiliary terminal device", and a network side device reselects the positioning auxiliary terminal device based on information reported by a base station, so that a reselection mechanism of the positioning auxiliary terminal device can be provided, the situation that the positioning information determination is inaccurate when the positioning auxiliary terminal device does not meet the SL positioning requirement is reduced, and the accuracy of the positioning information determination can be improved.

Fig. 20 is a flowchart illustrating a reselection method for a location assisted terminal device according to an embodiment of the present disclosure, where the method is executed by a network side device, and as shown in fig. 20, the method may include the following steps:

step 2001, sending the configuration to the base station, wherein the configuration includes at least one of a signal quality threshold configuration, a distance threshold configuration, a specific area configuration, and a period configuration, and is configured to instruct the base station to send the configuration to the first terminal device.

In one embodiment of the present disclosure, the network side device may be, for example, an LMF. The LMF may send a configuration to the base station, wherein the configuration includes at least one of a signal quality threshold configuration, a distance threshold configuration, a specific area configuration, and a periodicity configuration. When the base station receives the configuration sent by the LMF, the base station may send the configuration to the first terminal device.

In summary, in the embodiments of the present disclosure, the configuration is sent to the base station, where the configuration includes at least one of a signal quality threshold configuration, a distance threshold configuration, a specific area configuration, and a period configuration, and is configured to instruct the base station to send the configuration to the first terminal device. In an embodiment of the present disclosure, a reselection mechanism of the positioning assistance terminal device may be provided, and reselection of the positioning assistance terminal device may be performed based on the first specific event. The embodiment of the disclosure specifically discloses a scheme for configuration determination in a first specific event, so as to improve the accuracy of whether to reselect a positioning auxiliary terminal device. The present disclosure provides a processing method for a situation of "reselection of positioning auxiliary terminal device", so as to reselect the positioning auxiliary terminal device based on information reported by the first terminal device, and can provide a reselection mechanism for the positioning auxiliary terminal device, reduce the situation that positioning information determination is inaccurate when the positioning auxiliary terminal device does not meet the SL positioning requirement, and improve the accuracy of positioning information determination.

Fig. 21 is a schematic structural diagram of a reselection apparatus for positioning assistance terminal devices according to an embodiment of the present disclosure, as shown in fig. 21, the apparatus 2100 may be disposed on a first terminal device side, and the apparatus 2100 may include:

a selection module 2101 to perform at least one of the following operations:

reselecting the positioning auxiliary terminal equipment;

the positioning procedure is terminated. .

In summary, in the reselection apparatus for positioning auxiliary terminal equipment in the embodiment of the disclosure, the selection module performs at least one of the following operations: reselecting the positioning auxiliary terminal equipment; reporting information to a base station or sending the information to a second terminal device; the positioning procedure is terminated. . In an embodiment of the present disclosure, a reselection mechanism of the positioning assistance terminal device may be provided, and reselection of the positioning assistance terminal device may be performed based on the first specific event. The present disclosure provides a processing device for a situation of "reselection of positioning auxiliary terminal device" to reselect the positioning auxiliary terminal device based on a first specific event, which can provide a reselection mechanism of the positioning auxiliary terminal device, reduce the situation that the positioning information determination is inaccurate when the positioning auxiliary terminal device does not meet the SL positioning requirement, and improve the accuracy of the positioning information determination.

Optionally, in an embodiment of the disclosure, wherein the first specific event includes at least one of:

Optionally, in an embodiment of the present disclosure, where fig. 22 is a schematic structural diagram of a reselection apparatus for a positioning assistance terminal device provided in an embodiment of the present disclosure, as shown in fig. 22, the apparatus 2100 may include a receiving module 2102 configured to:

receiving configuration sent by a base station; or

Optionally, in an embodiment of the disclosure, the information includes at least one of:

triggering a reported first trigger event;

measuring the signal quality of other positioning auxiliary terminal equipment, wherein the other positioning auxiliary terminal equipment is terminal equipment which does not participate in the SL positioning process;

the device identification of the first terminal device.

Optionally, in an embodiment of the present disclosure, the selecting module 2101 is configured to reselect the positioning assistance terminal device, specifically, to at least one of the following:

Optionally, in an embodiment of the present disclosure, the selecting module 2101 is further configured to:

in response to triggering a second specific event, not triggering the reselection of the positioning assistance terminal equipment; and/or not reporting the information to the base station or the second terminal equipment.

Optionally, in an embodiment of the disclosure, the second specific event includes at least one of:

the SL positioning process is SL-round trip time RTT;

Optionally, in an embodiment of the present disclosure, the selecting module 2101 is configured to, when the positioning procedure is terminated, specifically:

a Sidelink LPP message;

a PC5-S message;

radio resource control RRC message.

Fig. 23 is a schematic structural diagram of a reselection apparatus for positioning auxiliary terminal devices according to an embodiment of the present disclosure, as shown in fig. 23, the apparatus 2300 may be disposed on a second terminal device side, and the apparatus 2300 may include:

a receiving module 2301, configured to receive information reported by a first terminal device; and

In summary, in the reselection apparatus for positioning auxiliary terminal equipment in the embodiment of the present disclosure, the receiving module receives information reported by the first terminal equipment; and triggering a reselection process of the positioning auxiliary terminal equipment, wherein the information is reported by the first terminal equipment when the SL positioning process performed by the first terminal equipment in response to the first terminal equipment meets the first specific event. In the embodiment of the present disclosure, a reselection mechanism of the positioning assistance terminal device may be provided, and information reported by the first terminal device may be received to trigger reselection of the positioning assistance terminal device. The present disclosure provides a processing device for a situation of "reselection of positioning auxiliary terminal device", so as to reselect the positioning auxiliary terminal device based on information reported by the first terminal device, and can provide a reselection mechanism for the positioning auxiliary terminal device, reduce the situation that positioning information determination is inaccurate when the positioning auxiliary terminal device does not meet the SL positioning requirement, and improve the accuracy of positioning information determination.

the signal quality of the current service positioning auxiliary terminal device does not meet the signal quality threshold requirement, wherein the current service positioning auxiliary terminal device is a terminal device participating in an SL positioning process;

the time length from the last time of reporting the position information of SL positioning or the measurement result exceeds the preset time length;

Optionally, in an embodiment of the present disclosure, the receiving module 2301, when triggering a reselection procedure of the positioning assistance terminal device, is specifically configured to:

Optionally, in an embodiment of the disclosure, the receiving module 2301 is further configured to:

triggering a reported first trigger event;

a device identification of the first terminal device.

a Sidelink LPP message;

a PC5-S message;

radio resource control RRC message.

Fig. 24 is a schematic structural diagram of a reselection apparatus for positioning auxiliary terminal equipment according to an embodiment of the present disclosure, as shown in fig. 24, the apparatus 2400 may be disposed on a base station side, and the apparatus 2400 may include:

a receiving module 2401, configured to receive information reported by a first terminal device; and

In summary, in the reselection apparatus for positioning auxiliary terminal equipment in the embodiment of the present disclosure, the receiving module receives information reported by the first terminal equipment; and triggering a reselection process of the positioning auxiliary terminal equipment, wherein the information is reported by the first terminal equipment when the SL positioning process performed by the first terminal equipment in response to the first terminal equipment meets the first specific event. In the embodiment of the present disclosure, a reselection mechanism of the positioning assistance terminal device may be provided, and information reported by the first terminal device may be received to trigger reselection of the positioning assistance terminal device. The present disclosure provides a processing method for a situation of "reselection of positioning auxiliary terminal device", so as to reselect the positioning auxiliary terminal device based on information reported by the first terminal device, which can provide a reselection mechanism of the positioning auxiliary terminal device, reduce the situation that the positioning information is determined inaccurately when the positioning auxiliary terminal device does not meet the SL positioning requirement, and improve the accuracy of the positioning information determination.

Optionally, in an embodiment of the present disclosure, the receiving module 2401, when triggering a reselection procedure of the positioning assistance terminal device, is specifically configured to:

sending a first message to a current service positioning auxiliary terminal device which does not meet the SL positioning service requirement, wherein the first message is used for canceling the current service positioning auxiliary terminal device or deactivating the current service positioning auxiliary terminal device, and the current service positioning auxiliary terminal device is a terminal device participating in an SL positioning process;

Optionally, in an embodiment of the present disclosure, where fig. 25 is a schematic structural diagram of a reselection apparatus for a positioning assistance terminal device provided in an embodiment of the present disclosure, as shown in fig. 25, the apparatus 2400 may include a sending module 2402, configured to:

Optionally, in an embodiment of the present disclosure, the receiving module 2401 is further configured to:

and forwarding the configuration to the first terminal equipment.

Optionally, in an embodiment of the present disclosure, the sending module 2402 is further configured to:

and sending the information to the network side equipment.

triggering a first reported triggering event;

the device identification of the first terminal device.

a Sidelink LPP message;

a PC5-S message;

radio resource control RRC message.

Fig. 26 is a block diagram of a terminal device UE2600 provided by an embodiment of the present disclosure. For example, the UE2600 may be a mobile phone, a computer, a digital broadcast terminal device, a messaging device, a gaming console, a tablet device, a medical device, a fitness device, a personal digital assistant, and the like.

Referring to fig. 26, the ue2600 may include at least one of the following components: a processing component 2602, a memory 2604, a power component 2606, a multimedia component 2608, an audio component 2610, an input/output (I/O) interface 2612, a sensor component 2614, and a communication component 2616.

Processing components 2602 generally control overall operations of UE2600, such as operations associated with display, phone calls, data communications, camera operations, and recording operations. The processing component 2602 may include at least one processor 2620 to execute instructions to perform all or part of the steps of the method described above. Further, the processing component 2602 may include at least one module that facilitates interaction between the processing component 2602 and other components. For example, the processing component 2602 may include a multimedia module to facilitate interaction between the multimedia component 2608 and the processing component 2602.

Memory 2604 is configured to store various types of data to support operations at UE 2600. Examples of such data include instructions for any application or method operating on UE2600, contact data, phonebook data, messages, pictures, videos, and so forth. The memory 2604 may be implemented by any type or combination of volatile or non-volatile memory devices, such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disks.

A power supply component 2606 provides power to various components of the UE 2600. The power components 2606 may include a power management system, at least one power supply, and other components associated with generating, managing, and distributing power for the UE 2600.

Multimedia components 2608 include screens between the UE2600 and the user that provide an output interface. In some embodiments, the screen may include a Liquid Crystal Display (LCD) and a Touch Panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive an input signal from a user. The touch panel includes at least one touch sensor to sense touch, slide, and gesture on the touch panel. The touch sensor may not only sense the boundary of a touch or slide action, but also detect a wake-up time and pressure associated with the touch or slide operation. In some embodiments, the multimedia assembly 2608 includes a front facing camera and/or a rear facing camera. The front-facing camera and/or the rear-facing camera may receive external multimedia data when UE2600 is in an operational mode, such as a shooting mode or a video mode. Each front camera and rear camera may be a fixed optical lens system or have a focal length and optical zoom capability.

The audio component 2610 is configured to output and/or input audio signals. For example, the audio component 2610 includes a Microphone (MIC) configured to receive external audio signals when the UE2600 is in an operating mode, such as a call mode, a recording mode, and a voice recognition mode. The received audio signals may further be stored in the memory 2604 or transmitted via the communication component 2616. In some embodiments, the audio component 2610 also includes a speaker for outputting audio signals.

The I/O interface 2612 provides an interface between the processing component 2602 and peripheral interface modules, which may be keyboards, click wheels, buttons, etc. These buttons may include, but are not limited to: a home button, a volume button, a start button, and a lock button.

The sensor component 2614 includes at least one sensor for providing various aspects of status assessment for the UE 2600. For example, sensor assembly 2614 may detect an open/closed state of device 2600, a relative positioning of components, such as a display and keypad of UE2600, a change in location of UE2600 or one of the components of UE2600, a presence or absence of user contact with UE2600, a change in orientation or acceleration/deceleration of UE2600, and a change in temperature of UE 2600. Sensor assembly 2614 may include a proximity sensor configured to detect the presence of a nearby object in the absence of any physical contact. The sensor assembly 2614 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications. In some embodiments, the sensor assembly 2614 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.

The communication component 2616 is configured to facilitate communications between the UE2600 and other devices in a wired or wireless manner. UE2600 can access a wireless network based on a communication standard, such as WiFi,2G, 3G, 4G, 5G, or a combination thereof. In an exemplary embodiment, the communication component 2616 receives a broadcast signal or broadcast related information from an external broadcast management system via a broadcast channel. In an exemplary embodiment, the communication component 2616 further includes a Near Field Communication (NFC) module to facilitate short-range communications. For example, the NFC module may be implemented based on Radio Frequency Identification (RFID) technology, infrared data association (IrDA) technology, ultra Wideband (UWB) technology, bluetooth (BT) technology, and other technologies.

In an exemplary embodiment, the UE2600 may be implemented by at least one Application Specific Integrated Circuit (ASIC), digital Signal Processor (DSP), digital Signal Processing Device (DSPD), programmable Logic Device (PLD), field Programmable Gate Array (FPGA), controller, microcontroller, microprocessor or other electronic component for performing the above-described method.

Fig. 27 is a block diagram of a network-side device 2700 provided in an embodiment of the present disclosure. For example, the network-side device 2700 may be provided as a network-side device. Referring to fig. 27, network side device 2700 includes a processing component 2722 that further includes at least one processor, and memory resources, represented by memory 2732, for storing instructions, such as applications, that are executable by processing component 2722. The application programs stored in memory 2732 may include one or more modules that each correspond to a set of instructions. Furthermore, the processing component 2722 is configured to execute the instructions to perform any of the methods of the above methods as applied to the network side device.

The network-side device 2700 may further include a power component 2727 configured to perform power management of the network-side device 2700, a wired or wireless network interface 2750 configured to connect the network-side device 2700 to a network, and an input/output (I/O) interface 2758. Network-side device 2700 may operate based on an operating system stored in memory 2732, such as Windows Server (TM), mac OS XTM, unix (TM), linux (TM), free BSDTM, or the like.

In the embodiments provided by the present disclosure, the methods provided by the embodiments of the present disclosure are introduced from the perspective of the network side device and the UE, respectively. In order to implement the functions in the method provided by the embodiment of the present disclosure, the network side device and the UE may include a hardware structure and a software module, and implement the functions in the form of a hardware structure, a software module, or a hardware structure and a software module. Some of the above-described functions may be implemented by a hardware configuration, a software module, or a combination of a hardware configuration and a software module.

In the embodiments provided by the present disclosure, the methods provided by the embodiments of the present disclosure are introduced from the perspective of the network side device and the UE, respectively. In order to implement the functions in the method provided by the embodiment of the present disclosure, the network side device and the UE may include a hardware structure and a software module, and implement the functions in the form of a hardware structure, a software module, or a hardware structure plus a software module. Some of the above functions may be implemented by a hardware structure, a software module, or a hardware structure plus a software module.

The embodiment of the disclosure provides a communication device. The communication device may include a transceiver module and a processing module. The transceiver module may include a transmitting module and/or a receiving module, the transmitting module is configured to implement a transmitting function, the receiving module is configured to implement a receiving function, and the transceiver module may implement a transmitting function and/or a receiving function.

The communication device may be a terminal device (such as the terminal device in the foregoing method embodiment), or may be a device in the terminal device, or may be a device that can be used in match with the terminal device. Alternatively, the communication device may be a network device, may be a device in a network device, or may be a device that can be used in cooperation with a network device.

The embodiment of the disclosure provides another communication device. The communication device may be a network device, a terminal device (such as the terminal device in the foregoing method embodiment), a chip, a system-on-chip, or a processor that supports the network device to implement the foregoing method, or a chip, a system-on-chip, or a processor that supports the terminal device to implement the foregoing method. The apparatus may be configured to implement the method described in the method embodiment, and refer to the description in the method embodiment.

The communication device may include one or more processors. The processor may be a general purpose processor, a special purpose processor, or the like. For example, a baseband processor or a central processor. The baseband processor may be configured to process communication protocols and communication data, and the central processor may be configured to control a communication apparatus (e.g., a network side device, a baseband chip, a terminal device chip, a DU or CU, etc.), execute a computer program, and process data of the computer program.

Optionally, the communication device may further include one or more memories, on which computer programs may be stored, and the processor executes the computer programs to make the communication device execute the methods described in the above method embodiments. Optionally, the memory may further store data therein. The communication device and the memory may be provided separately or may be integrated together.

Optionally, the communication device may further comprise a transceiver, an antenna. The transceiver may be referred to as a transceiver unit, a transceiver, or a transceiver circuit, etc. for implementing a transceiving function. The transceiver may include a receiver and a transmitter, and the receiver may be referred to as a receiver or a receiving circuit, etc. for implementing a receiving function; the transmitter may be referred to as a transmitter or a transmission circuit, etc. for implementing the transmission function.

Optionally, one or more interface circuits may also be included in the communication device. The interface circuit is used for receiving the code instruction and transmitting the code instruction to the processor. The processor executes the code instructions to cause the communication device to perform the methods described in the above method embodiments.

The communication device is a first terminal device (such as the terminal device in the foregoing method embodiment): the processor is configured to perform the method of any of fig. 2-7.

The communication device is a second terminal device (such as the terminal device in the foregoing method embodiment): the processor is configured to perform the method of any of fig. 8-9.

The communication device is a base station: the processor is configured to perform the method of any of fig. 10-18.

The communication device is a network side device: the processor is configured to perform the method illustrated in any of fig. 19-20.

In one implementation, a transceiver may be included in the processor for performing receive and transmit functions. The transceiver may be, for example, a transceiver circuit, or an interface circuit. The transceiver circuitry, interface or interface circuitry for implementing the receive and transmit functions may be separate or integrated. The transceiver circuit, the interface circuit or the interface circuit may be used for reading and writing code/data, or the transceiver circuit, the interface circuit or the interface circuit may be used for transmitting or transferring signals.

In one implementation, a processor may store a computer program that, when executed on the processor, causes the communication device to perform the method described in the above method embodiments. The computer program may be solidified in the processor, in which case the processor may be implemented in hardware.

In one implementation, the communication device may include circuitry that may implement the functionality of transmitting or receiving or communicating in the foregoing method embodiments. The processors and transceivers described in this disclosure may be implemented on Integrated Circuits (ICs), analog ICs, radio Frequency Integrated Circuits (RFICs), mixed signal ICs, application Specific Integrated Circuits (ASICs), printed Circuit Boards (PCBs), electronic devices, and the like. The processor and transceiver may also be fabricated using various IC process technologies, such as Complementary Metal Oxide Semiconductor (CMOS), N-type metal oxide semiconductor (NMOS), P-type metal oxide semiconductor (PMOS), bipolar Junction Transistor (BJT), bipolar CMOS (BiCMOS), silicon germanium (SiGe), gallium arsenide (GaAs), and the like.

The communication apparatus in the above description of the embodiment may be a network device or a terminal device (such as the terminal device in the foregoing embodiment of the method), but the scope of the communication apparatus described in the present disclosure is not limited thereto, and the structure of the communication apparatus may not be limited. The communication means may be a stand-alone device or may be part of a larger device. For example, the communication means may be:

(1) A stand-alone integrated circuit IC, or chip, or system-on-chip or subsystem;

(2) A set of one or more ICs, which optionally may also include storage means for storing data, computer programs;

(3) An ASIC, such as a Modem (Modem);

(4) A module that may be embedded within other devices;

(5) Receivers, terminal devices, smart terminal devices, cellular phones, wireless devices, handsets, mobile units, in-vehicle devices, network devices, cloud devices, artificial intelligence devices, and the like;

(6) Others, and so forth.

For the case where the communication device may be a chip or a system of chips, the chip includes a processor and an interface. The number of the processors can be one or more, and the number of the interfaces can be more.

Optionally, the chip further comprises a memory for storing the necessary computer programs and data.

Those of skill in the art will also appreciate that the various illustrative logical blocks and steps (step) set forth in the embodiments of the disclosure may be implemented in electronic hardware, computer software, or combinations of both. Whether such functionality is implemented as hardware or software depends upon the particular application and design requirements of the overall system. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the disclosed embodiments.

The present disclosure also provides a readable storage medium having stored thereon instructions which, when executed by a computer, implement the functionality of any of the above-described method embodiments.

The present disclosure also provides a computer program product which, when executed by a computer, implements the functionality of any of the method embodiments described above.

In the above embodiments, the implementation may be wholly or partially realized by software, hardware, firmware, or any combination thereof. When implemented in software, may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer programs. The procedures or functions according to the embodiments of the present disclosure are wholly or partially generated when the computer program is loaded and executed on a computer. The computer may be a general purpose computer, a special purpose computer, a network of computers, or other programmable device. The computer program can be stored in a computer readable storage medium or transmitted from one computer readable storage medium to another computer readable storage medium, for example, the computer program can be transmitted from one website, computer, server, or data center to another website, computer, server, or data center by wire (e.g., coaxial cable, fiber optic, digital Subscriber Line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.). The computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device, such as a server, a data center, etc., that incorporates one or more of the available media. The usable medium may be a magnetic medium (e.g., a floppy disk, a hard disk, a magnetic tape), an optical medium (e.g., a Digital Video Disk (DVD)), or a semiconductor medium (e.g., a Solid State Disk (SSD)), among others.

Those of ordinary skill in the art will understand that: various numerical numbers of the first, second, etc. referred to in this disclosure are only for convenience of description and distinction, and are not used to limit the scope of the embodiments of the disclosure, and also represent a sequential order.

At least one of the present disclosure may also be described as one or more, and a plurality may be two, three, four or more, without limitation of the present disclosure. In the embodiment of the present disclosure, for a technical feature, the technical features in the technical feature are distinguished by "first", "second", "third", "a", "B", "C", and "D", and the like, and the technical features described in "first", "second", "third", "a", "B", "C", and "D" are not in the order of priority or magnitude.

Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This disclosure is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. A reselection method for a location assisted terminal device, the method being performed by a first terminal device, the method comprising:

in response to performing the side chain SL positioning procedure satisfying the first specific event, performing at least one of the following operations:

reselecting the positioning auxiliary terminal equipment;

the positioning process is terminated.

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

and the sidelink link of the current service positioning auxiliary terminal equipment and the first terminal equipment generates Radio Link Failure (RLF).

3. The method of claim 2, further comprising:

receiving the configuration sent by the base station; or

4. The method of claim 1, wherein the information comprises at least one of:

triggering a reported first trigger event;

the device identifier of the first terminal device.

5. The method of claim 1, wherein the reselecting a positioning assistance terminal device comprises at least one of:

6. The method of claim 1, further comprising:

in response to triggering a second specific event, not triggering the reselection of the positioning assistance terminal device; and/or

And not reporting information to the base station or the second terminal equipment.

7. The method of claim 6, wherein the second specific event comprises at least one of:

the SL positioning process is SL-round trip time RTT;

8. The method of claim 1, wherein terminating the positioning procedure comprises:

9. The method of claim 1, further comprising:

a Sidelink LPP message;

a PC5-S message;

radio resource control RRC message.

10. Positioning assistance terminal device a method for reselection of a positioning assistance terminal device, characterized in that the method is performed by a second terminal device, the method comprising:

receiving information reported by first terminal equipment; and

11. The method of claim 10, wherein the first specific event comprises at least one of:

12. The method of claim 10, wherein triggering a location assisted terminal device reselection procedure comprises:

13. The method of claim 10, further comprising:

14. The method of claim 10, wherein the information comprises at least one of:

triggering a first reported triggering event;

the device identifier of the first terminal device.

15. The method of claim 10, further comprising:

a Sidelink LPP message;

a PC5-S message;

radio resource control RRC message.

16. Positioning assistance terminal device a method for reselection of a positioning assistance terminal device, characterized in that the method is performed by a base station, the method comprising:

receiving information reported by first terminal equipment; and

17. The method of claim 16, wherein triggering a location assisted terminal device reselection procedure comprises:

18. The method of claim 16, further comprising:

19. The method of claim 16, further comprising:

forwarding the configuration to the first terminal device.

20. The method of claim 16, further comprising:

and sending the information to the network side equipment.

21. The method of claim 16 or 20, wherein the information comprises at least one of:

triggering a reported first trigger event;

the device identifier of the first terminal device.

22. The method of claim 16, further comprising:

a Sidelink LPP message;

a PC5-S message;

radio resource control RRC message.

23. A device for reselecting a positioning assistance terminal device, the device being provided on a first terminal device side, the device comprising:

reselecting the positioning auxiliary terminal equipment;

the positioning procedure is terminated.

24. A device for reselecting a positioning assistance terminal device, the device being provided on a second terminal device side, the device comprising:

25. A device for reselecting a positioning assistance terminal device, the device being provided on a base station side, the device comprising:

26. A first terminal device, characterized in that the device comprises a processor and a memory, wherein the memory has stored therein a computer program, which the processor executes to cause the apparatus to perform the method according to any of claims 1 to 9.

27. A second terminal device, characterized in that the device comprises a processor and a memory, wherein the memory has stored therein a computer program, which the processor executes to cause the apparatus to perform the method according to any of claims 10 to 15.

28. A base station, characterized in that the apparatus comprises a processor and a memory, wherein the memory has stored therein a computer program, and the processor executes the computer program stored in the memory to cause the device to perform the method according to any of claims 16 to 22.

29. A communications apparatus, comprising: a processor and an interface circuit, wherein

the processor for executing the code instructions to perform the method of any one of claims 1 to 9 or 10 to 15 or 16 to 22.

30. A computer-readable storage medium storing instructions that, when executed, cause the method of any one of claims 1 to 9 or 10 to 15 or 16 to 22 to be implemented.