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WO2024065133A1 - Procédé et appareil de resélection d'un équipement terminal d'aide au positionnement - Google Patents

Procédé et appareil de resélection d'un équipement terminal d'aide au positionnement Download PDF

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Publication number
WO2024065133A1
WO2024065133A1 PCT/CN2022/121507 CN2022121507W WO2024065133A1 WO 2024065133 A1 WO2024065133 A1 WO 2024065133A1 CN 2022121507 W CN2022121507 W CN 2022121507W WO 2024065133 A1 WO2024065133 A1 WO 2024065133A1
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WO
WIPO (PCT)
Prior art keywords
terminal device
positioning
configuration
message
information
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2022/121507
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English (en)
Chinese (zh)
Inventor
江小威
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Xiaomi Mobile Software Co Ltd
Original Assignee
Beijing Xiaomi Mobile Software Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Xiaomi Mobile Software Co Ltd filed Critical Beijing Xiaomi Mobile Software Co Ltd
Priority to PCT/CN2022/121507 priority Critical patent/WO2024065133A1/fr
Priority to CN202280003563.9A priority patent/CN115769644A/zh
Publication of WO2024065133A1 publication Critical patent/WO2024065133A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management

Definitions

  • the present disclosure relates to the field of communication technology, and in particular to a method, device, equipment and storage medium for reselecting a positioning auxiliary terminal device (anchor UE).
  • anchor UE positioning auxiliary terminal device
  • the positioning of the sidelink between terminal devices includes absolute positioning, relative positioning and ranging.
  • ranging usually involves only two terminal devices, that is, ranging is performed between the two terminal devices.
  • multiple auxiliary terminal devices may be involved. Multiple auxiliary terminal devices participate in positioning to improve the accuracy of absolute positioning and relative positioning.
  • the information of the positioning auxiliary terminal device will change, resulting in low positioning accuracy.
  • the present disclosure proposes a method, apparatus, device and storage medium for reselecting a positioning assistance terminal device, which reselects a positioning assistance terminal device based on a first specific event. It can provide a reselection mechanism for the positioning assistance terminal device, reduce the situation in which the positioning information is inaccurately determined when the positioning assistance terminal device does not meet the SL positioning requirements, and improve the accuracy of the positioning information determination.
  • An embodiment of an aspect of the present disclosure provides a method for reselecting a positioning auxiliary terminal device, the method being executed by a first terminal device, the method comprising:
  • the first specific event includes at least one of the following:
  • the signal quality of the current service positioning assistance terminal device does not meet the signal quality threshold requirement, wherein the current service positioning assistance terminal device is a terminal device participating in the SL positioning process;
  • the distance between the current service positioning auxiliary terminal device and the first terminal device does not meet the distance threshold requirement
  • the first terminal device or the current service positioning auxiliary terminal device leaves the specific area
  • a radio link failure occurs in the sidelink link between the current serving positioning auxiliary terminal device and the first terminal device.
  • the method further includes:
  • the configuration includes at least one of a signal quality threshold configuration, a distance threshold configuration, a specific area configuration and a period configuration.
  • the information includes at least one of the following:
  • the first triggering event that triggers the report
  • the device identifier of the first terminal device is the identifier of the first terminal device.
  • the reselecting the positioning auxiliary terminal device includes at least one of the following:
  • a second message is sent to the target positioning assistance terminal device that meets the SL positioning service requirements, wherein the second message is used to configure the target positioning assistance terminal device as a positioning assistance terminal device or to activate the configuration of the target positioning assistance terminal device.
  • the method further includes:
  • the second specific event includes at least one of the following:
  • the SL positioning process is SL-Round Trip Time (RTT);
  • the SL positioning process involves a current service positioning auxiliary terminal device
  • the triggering mode of the position reporting or measurement result reporting of the SL positioning process is not periodic triggering or event triggering.
  • the terminating the positioning process includes:
  • a third message is sent to the current serving positioning assistance terminal device, wherein the third message is used to terminate the SL positioning process.
  • the method further includes:
  • Radio Resource Control (RRC) message is a Radio Resource Control (RRC) message.
  • Another aspect of the present disclosure provides a method for reselecting a positioning auxiliary terminal device, the method being executed by a second terminal device, and the method comprising:
  • the first specific event includes at least one of the following:
  • the signal quality of the current service positioning assistance terminal device does not meet the signal quality threshold requirement, wherein the current service positioning assistance terminal device is a terminal device participating in the SL positioning process;
  • the distance between the current service positioning auxiliary terminal device and the first terminal device does not meet the distance threshold requirement
  • the first terminal device or the current service positioning auxiliary terminal device leaves the specific area
  • a radio link failure RLF occurs in the sidelink link between the current serving positioning auxiliary terminal device and the first terminal device.
  • triggering a positioning assistance terminal device reselection process includes:
  • a second message is sent to the target positioning assistance terminal device that meets the SL positioning service requirements, wherein the second message is used to configure the target positioning assistance terminal device as a positioning assistance terminal device or to activate the configuration of the target positioning assistance terminal device.
  • the method further includes:
  • a target location service terminal device is determined, and the second terminal device is cancelled or deactivated.
  • the information includes at least one of the following:
  • the first triggering event that triggers the report
  • the device identifier of the first terminal device is the identifier of the first terminal device.
  • the method further includes:
  • Another aspect of the present disclosure provides a method for reselecting a positioning assistance terminal device, wherein the method is performed by a base station and includes:
  • Receive information reported by the first terminal device and trigger a positioning-assisted terminal device reselection process, wherein the information is reported by the first terminal device in response to the SL positioning process performed by the first terminal device satisfying a first specific event.
  • triggering a positioning assistance terminal device reselection process includes:
  • a second message is sent to the target positioning assistance terminal device that meets the SL positioning service requirements, wherein the second message is used to configure the target positioning assistance terminal device as a positioning assistance terminal device or to activate the configuration of the target positioning assistance terminal device.
  • the method further includes:
  • the configuration includes at least one of a signal quality threshold configuration, a distance threshold configuration, a specific area configuration, and a periodic configuration.
  • the method further includes:
  • the configuration includes at least one of a signal quality threshold configuration, a distance threshold configuration, a specific area configuration, and a period configuration;
  • the method further includes:
  • the information is sent to the network side device.
  • the information includes at least one of the following:
  • the first triggering event that triggers the report
  • the device identifier of the first terminal device is the identifier of the first terminal device.
  • the method further includes:
  • an embodiment provides a positioning auxiliary terminal device.
  • a positioning auxiliary terminal device reselection device is provided at a first terminal device side.
  • the device includes:
  • the selection module is configured to, in response to the side chain SL positioning process satisfying a first specific event, perform at least one of the following operations:
  • an embodiment provides a positioning auxiliary terminal device.
  • a positioning auxiliary terminal device reselection device is provided at a second terminal device side.
  • the device includes:
  • a receiving module configured to receive information reported by a first terminal device
  • an embodiment provides a positioning auxiliary terminal device.
  • a positioning auxiliary terminal device reselection device is provided at a base station side.
  • the device includes:
  • a receiving module configured to receive information reported by a first terminal device
  • Another aspect of the present disclosure provides a second terminal device, which includes a processor and a memory, wherein the memory stores a computer program, and the processor executes the computer program stored in the memory so that the device performs the method provided in the above aspect.
  • a base station is proposed in yet another embodiment of the present disclosure, 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 so that the device performs the method proposed in the above embodiment.
  • a communication device provided in another aspect of the present disclosure includes: a processor and an interface circuit
  • the interface circuit is used to receive code instructions and transmit them to the processor
  • the processor is used to run the code instructions to execute the method proposed in an embodiment of one aspect.
  • a communication device provided in another aspect of the present disclosure includes: a processor and an interface circuit
  • the interface circuit is used to receive code instructions and transmit them to the processor
  • the processor is used to run the code instructions to execute the method proposed in the above embodiment.
  • a computer-readable storage medium provided in yet another aspect of the present disclosure is used to store instructions, and when the instructions are executed, the method provided in the embodiment of the first aspect is implemented.
  • At least one of the following operations is performed: reselecting the positioning assistance terminal device; reporting information to the base station or sending the information to the second terminal device; terminating the positioning process.
  • a reselection mechanism for the positioning assistance terminal device can be provided, and the reselection of the positioning assistance terminal device can be performed based on the first specific event.
  • the present disclosure provides a processing method for a situation of "reselection of a positioning assistance terminal device", so as to reselect the positioning assistance terminal device based on the first specific event, and a reselection mechanism for the positioning assistance terminal device can be provided, so as to reduce the situation where the positioning assistance terminal device does not meet the SL positioning requirements, resulting in inaccurate positioning information determination, and can improve the accuracy of positioning information determination.
  • FIG1 is a schematic diagram of an example of a method for reselecting a positioning assistance terminal device provided by an embodiment of the present disclosure
  • FIG2 is a schematic diagram of a flow chart of a method for reselecting a positioning assistance terminal device provided by an embodiment of the present disclosure
  • FIG3 is a schematic flow chart of a method for reselecting a positioning assistance terminal device provided by another embodiment of the present disclosure
  • FIG4 is a schematic flow chart of a method for reselecting a positioning assistance terminal device provided by yet another embodiment of the present disclosure
  • FIG5 is an interactive schematic diagram of a method for reselecting a positioning assistance terminal device provided by yet another embodiment of the present disclosure
  • FIG6 is a schematic flow chart of a method for reselecting a positioning assistance terminal device provided by yet another embodiment of the present disclosure.
  • FIG7 is a schematic flow chart of a method for reselecting a positioning assistance terminal device provided by yet another embodiment of the present disclosure.
  • FIG8 is a schematic flow chart of a method for reselecting a positioning assistance terminal device provided by yet another embodiment of the present disclosure.
  • FIG9 is an interactive schematic diagram of a method for reselecting a positioning assistance terminal device provided by yet another embodiment of the present disclosure.
  • FIG10 is a schematic flow chart of a method for reselecting a positioning assistance terminal device provided by yet another embodiment of the present disclosure.
  • FIG11 is an interactive schematic diagram of a method for reselecting a positioning assistance terminal device provided by yet another embodiment of the present disclosure.
  • FIG12 is an interactive schematic diagram of a method for reselecting a positioning assistance terminal device provided by yet another embodiment of the present disclosure.
  • FIG13 is an interactive schematic diagram of a method for reselecting a positioning assistance terminal device provided by yet another embodiment of the present disclosure.
  • FIG14 is a schematic flow chart of a method for reselecting a positioning assistance terminal device provided by yet another embodiment of the present disclosure.
  • FIG15 is a schematic flow chart of a method for reselecting a positioning assistance terminal device provided by yet another embodiment of the present disclosure.
  • FIG16 is a schematic flow chart of a method for reselecting a positioning assistance terminal device provided by yet another embodiment of the present disclosure.
  • FIG17 is a schematic flow chart of a method for reselecting a positioning assistance terminal device provided by yet another embodiment of the present disclosure.
  • FIG18 is a schematic flow chart of a method for reselecting a positioning assistance terminal device provided by yet another embodiment of the present disclosure.
  • FIG19 is a schematic flow chart of a method for reselecting a positioning assistance terminal device provided by yet another embodiment of the present disclosure.
  • FIG20 is a schematic flow chart of a method for reselecting a positioning assistance terminal device provided by yet another embodiment of the present disclosure.
  • FIG21 is a schematic structural diagram of a device for reselecting a positioning auxiliary terminal device provided by an embodiment of the present disclosure
  • FIG22 is a schematic structural diagram of a reselection device for a positioning auxiliary terminal device provided by another embodiment of the present disclosure.
  • FIG23 is a schematic structural diagram of a reselection device for a positioning auxiliary terminal device provided by another embodiment of the present disclosure.
  • FIG24 is a schematic structural diagram of a device for reselecting a positioning auxiliary terminal device provided by another embodiment of the present disclosure.
  • FIG25 is a schematic structural diagram of a device for reselecting a positioning auxiliary terminal device provided by another embodiment of the present disclosure.
  • FIG26 is a block diagram of a terminal device provided by an embodiment of the present disclosure.
  • FIG27 is a block diagram of a network-side device provided by an embodiment of the present disclosure.
  • first, second, third, etc. may be used to describe various information in the disclosed embodiments, these information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other.
  • first information may also be referred to as the second information, and similarly, the second information may also be referred to as the first information.
  • the words "if” and “if” as used herein may be interpreted as “at” or "when” or "in response to determination".
  • the network elements or network functions involved in the embodiments of the present disclosure may be implemented by independent hardware devices or by software in the hardware devices, and this is not limited in the embodiments of the present disclosure.
  • Positioning based on the sidelink link between the terminal equipment (User Equipment, UE) and UE includes absolute positioning, relative positioning and ranging.
  • Absolute positioning is to determine the absolute coordinates of the UE
  • relative positioning is to determine the coordinates of the UE relative to a reference point
  • ranging is to determine the distance and/or angle of the UE relative to a reference point.
  • Ranging usually refers to ranging between only two UEs, but absolute positioning and relative positioning may involve multiple auxiliary UEs to participate in positioning.
  • FIG1 shows an example schematic diagram of a reselection method for a positioning auxiliary terminal device provided by an embodiment of the present disclosure.
  • a positioning method based on a downlink time difference of arrival (DL-TDOA) as an example, multiple road side units (RSU) can be set on the road side, and each road side unit can correspond to fixed position information, for example.
  • the UE measures the positioning signals sent by multiple road side units through the sidelink link, and based on the positioning signals, the UE can determine the specific position of the UE relative to the RSU.
  • the number of multiple RSUs can be greater than or equal to three, for example.
  • the positioning signal can include the position information of the road side unit
  • the UE can measure the arrival time difference of three positioning signals sent by three road side units, and based on the arrival time difference of the three positioning signals and the position information of each road side unit, the UE can determine the position information of the UE, or the position information of the UE relative to a certain road side unit.
  • positioning solutions in addition to DL-TDOA, positioning solutions also include 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, etc. If the positioning result is not converted into absolute position coordinates based on absolute position information such as GPS based on RSU, then the positioning result is relative positioning. Otherwise, it is absolute positioning.
  • the RSU participating in relative positioning or absolute positioning is a positioning-assisted UE.
  • the two UEs are each other's positioning-assisted UEs.
  • RSU type positioning assistance UEs there are different types of positioning assistance UEs, such as RSU type positioning assistance UEs.
  • RSU type positioning assistance UEs belong to a kind of infrastructure, which can provide positioning services by collaborating with other RSUs.
  • ordinary UEs can also be used as positioning assistance UEs, but it is difficult for them to assist in providing positioning services with other UEs.
  • some positioning assistance UEs have location information such as GPS, which can assist other UEs in absolute positioning.
  • some other positioning assistance UEs may not have location information such as GPS.
  • FIG2 is a flow chart of a method for reselecting a positioning auxiliary terminal device provided by an embodiment of the present disclosure. The method is executed by a first terminal device. As shown in FIG2 , the method may include the following steps:
  • Step 201 In response to the side chain SL positioning process satisfying a first specific event, at least one of the following operations is performed:
  • the terminal device may be 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).
  • RAN radio access network
  • the terminal device may be an IoT terminal device, such as a sensor device, a mobile phone (or a "cellular" phone), and a computer with an IoT terminal device, for example, a fixed, portable, pocket-sized, handheld, computer-built-in, or vehicle-mounted device.
  • a subscriber station STA
  • a subscriber unit a subscriber station, a mobile station, a mobile station, a mobile station, a remote station, an access point, a remote terminal device, an access terminal device, a user terminal device, or a user agent.
  • the terminal device may also be a device of an unmanned aerial vehicle.
  • the terminal device may also be a vehicle-mounted device, for example, a driving computer with wireless communication function, or a wireless terminal device connected to an external driving computer.
  • the terminal device may also be a roadside device, for example, a street lamp, a traffic light or other roadside device with a wireless communication function.
  • the first terminal device may be, for example, a terminal that is performing an SL positioning process.
  • the first terminal device may determine the location information of the first terminal device based on the location information reported by multiple positioning auxiliary terminal devices.
  • the positioning auxiliary terminal device may be, for example, an RSU.
  • the location or measurement result reporting method in the ongoing SL positioning process, may be periodic reporting, the location or measurement result reporting method may be event-triggered reporting, or the location or measurement result reporting method may be a one-time reporting.
  • one or more positioning assistance terminal devices may participate in the SL positioning process.
  • the SL positioning process may include at least one of SL-TDOA, SL-AOA, and SL-AOD.
  • the base station or the second terminal device when the base station or the second terminal device receives the information reported by the first terminal device, it can trigger the positioning assistance terminal device reselection process.
  • the base station or the second terminal device is a device with reselection decision-making power.
  • the first specific event includes at least one of the following:
  • 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 device and the first terminal device does not meet the distance threshold requirement
  • the first terminal device or the current service positioning auxiliary terminal device leaves the specific area
  • a radio link failure RLF occurs in the sidelink link between the current service positioning auxiliary terminal device and the first terminal device.
  • the method further includes:
  • the configuration includes at least one of signal quality threshold configuration, distance threshold configuration, specific area configuration and periodic configuration.
  • the signal quality may include at least one of Reference Signal Receiving Power (RSRP), Reference Signal Receiving Quality (RSRQ), Received Signal Strength Indicator (RSSI), and Signal to Interference plus Noise Ratio (SINR).
  • the signal includes but is not limited to one or more of a SL Positioning Reference Signal (PRS) signal sent by a positioning assistance terminal device, a SL Channel State Information-Reference Signal (CSI-RS)/CSI-RS signal sent by a positioning assistance terminal device, and an S-Primary Synchronization Signal (PSS)/S-Secondary Synchronization Signal (SSS) signal sent by a positioning assistance terminal device.
  • PRS SL Positioning Reference Signal
  • CSI-RS SL Channel State Information-Reference Signal
  • PSS S-Primary Synchronization Signal
  • SSS S-Secondary Synchronization Signal
  • the demodulation reference signal can be the DM-RS of a physical sidelink control channel (PSCCH) or a physical sidelink discovery channel (PSDCH),
  • the control channel PSCCH can be such as a serial communication interface (SCI) sent by a positioning assistance terminal device
  • the data channel PSDCH can be such as a data packet for discovery sent by a positioning assistance terminal device, or a communication data packet.
  • the signal quality of the current service positioning assistance terminal device does not meet the signal quality threshold requirement, for example, the signal quality of the current service positioning assistance terminal device may be less than the threshold value.
  • the RSRP of the current service positioning assistance terminal device may be less than the RSRP threshold value.
  • the first terminal device may receive a configuration sent by a base station, wherein the configuration includes a signal quality threshold configuration; or, the first terminal device may determine the signal quality threshold configuration according to pre-configuration information of the first terminal device.
  • the first specific event may be, for example, that the distance between the current serving positioning assistance terminal device and the first terminal device does not meet the distance threshold requirement.
  • the first terminal device calculates the distance between the two based on the Global Positioning System (GPS) position of the first terminal device and the GPS position of the positioning assistance terminal device.
  • GPS Global Positioning System
  • the first terminal device may calculate the distance between the two based on 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 broadcast by the positioning assistance terminal device to the first terminal device, or the positioning assistance terminal device may inform the first terminal device through SCI or other methods.
  • the first specific event may be that the distance between the current service positioning assistance terminal device and the first terminal device does not meet the distance threshold requirement, for example, the distance between the current service positioning assistance terminal device and the first terminal device is greater than the distance threshold.
  • the first terminal device may receive a configuration sent by a base station, wherein the configuration includes a distance threshold configuration; or, the first terminal device may determine the distance threshold configuration according to pre-configuration information of the first terminal device.
  • the signal quality of the current service positioning auxiliary terminal device does not meet the signal quality threshold requirement, for example, the first terminal device or the current service positioning auxiliary terminal device leaves a specific area.
  • the specific area can be a cell list, or a Tracking Area (TA)/RAN-based Notification Area (RNA) list, or at least one of the zone lists.
  • the first terminal device may receive a configuration sent by a base station, wherein the configuration includes a specific area configuration; or, the first terminal device may determine the specific area configuration based on pre-configuration information of the first terminal device.
  • the signal quality of the current service positioning auxiliary terminal device does not meet the signal quality threshold requirement, for example, the time from the last reported SL positioning location information or measurement result exceeds the preset time.
  • the periodic location information or measurement result reporting timer has timed out.
  • the first terminal device may receive a configuration sent by a base station, wherein the configuration includes a periodic configuration; or, the first terminal device may determine the periodic configuration according to pre-configuration information of the first terminal device.
  • the signal quality of the current service positioning assistance terminal device does not meet the signal quality threshold requirement, for example, the sidelink link between the current service positioning assistance terminal device and the first terminal device has a radio link failure RLF.
  • RLF radio link failure
  • a unicast SL link is established between the first terminal device and the current service positioning assistance terminal device.
  • the information includes at least one of the following:
  • the first triggering event that triggers the report
  • the device identifier of the first terminal device is the identifier of the first terminal device.
  • the first terminal device may report the measurement result of the currently 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.
  • the first terminal device when the first terminal device reports the measurement result of the current service positioning auxiliary terminal device, it can also report the identification ID of the positioning auxiliary terminal device.
  • the ID includes but is not limited to a Cell-Radio Network Temporary Identifier (C-RNTI), an International Mobile Subscriber Identity (IMSI), a Temporary Mobile Subscriber Identity (TMSI), a Sidelink link layer 2 source ID SL L2 source ID/Sidelink link layer 2 target ID SL L2 destination ID, a Sidelink link system information identifier SLSSID, an Inactive-Radio Network Temporary Identifier (I-RNTI), and an application layer ID. At least one or more of the following.
  • the first terminal device when the first terminal device reports the measurement result of the current service positioning auxiliary terminal device, it can also report the SL-PRS resource identifier resource ID and/or resource set identifier resource set ID corresponding to the measurement result.
  • the first terminal device may report the signal quality measurement results of other positioning assistance terminal devices, where the other positioning assistance terminal devices are terminal devices that do not participate in the SL positioning process. For example, if 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, the first terminal device may report the top X positioning assistance terminal devices according to RSRP and/or RSRQ values. Where X is a positive integer.
  • the first terminal device when the first terminal device reports the measurement result of the positioning assistance terminal device, it also reports the ID of the positioning assistance terminal device, such as C-RNTI, IMSI, TMSI, SL L2 source ID/SL L2 destination ID, SLSSID, I-RNTI, and application layer ID.
  • ID of the positioning assistance terminal device such as C-RNTI, IMSI, TMSI, SL L2 source ID/SL L2 destination ID, SLSSID, I-RNTI, and application layer ID.
  • the first terminal device when the first terminal device reports the measurement result of the UE-reported positioning assisted terminal device, it also reports the SL-PRS resource ID and/or resource set ID corresponding to the measurement result.
  • reselecting the positioning auxiliary terminal device includes at least one of the following:
  • a second message is sent to the target positioning assistance terminal device that meets the SL positioning service requirements, wherein the second message is used to configure the target positioning assistance terminal device as a positioning assistance terminal device or activate the configuration of the target positioning assistance terminal device.
  • the first message refers to a message sent by the first terminal device to the current service positioning auxiliary terminal device that does not meet the SL positioning service requirements.
  • the first message does not specifically refer to a fixed message, and the "first" in the "first message” is only used to distinguish it from other messages.
  • the second message refers to a message sent by the first terminal device to the target positioning auxiliary terminal device that meets the SL positioning service requirements.
  • the second message does not specifically refer to a fixed message, and the "second" in the "second message” is only used to distinguish it from other messages.
  • the positioning assistance terminal device required by the SL positioning service may include at least one of a signal quality meeting a threshold, a distance meeting a distance threshold, and an area meeting a specific area threshold.
  • the current service positioning assistance terminal device can be cancelled by canceling the configuration before de-configuring (such as SL-PRS resource configuration) or instructing the positioning assistance terminal device to terminate the current positioning process.
  • Deactivating the positioning assistance terminal device means retaining the previous configuration, but the configuration is not activated.
  • configuring the target positioning assistance terminal device includes configuring the SL-PRS resources of the target positioning assistance terminal device, and activating the positioning assistance terminal device is to activate the previous positioning assistance terminal device configuration, including the SL-PRS resource configuration.
  • the first terminal device may select the highest ranking positioning assistance terminal device as the target positioning assistance terminal device according to RSRP and/or RSRQ from high to low.
  • the method further includes:
  • reselection of the positioning auxiliary terminal device is not triggered; and/or information is not reported to the base station or the second terminal device.
  • the second specific event includes at least one of the following:
  • the SL positioning process is SL-round trip time RTT;
  • the SL positioning process involves a current service positioning auxiliary terminal device
  • the triggering mode of the position reporting or measurement result reporting of the SL positioning process is not periodic triggering or event triggering.
  • terminating the positioning process includes:
  • a third message is sent to the current service positioning assistance terminal device, wherein the third message is used to terminate the SL positioning process.
  • the first terminal device may send the third message only to the currently serving positioning assistance terminal devices that do not meet the requirements, or may send the third message to all positioning assistance terminal devices.
  • the first terminal device can terminate the current positioning process.
  • the method further includes:
  • using LPP messages or Sidelink LPP messages for information exchange may specifically be using requesting auxiliary information and/or providing auxiliary information for information exchange.
  • the method further includes:
  • At least one of the following operations is performed: reselecting a positioning assistance terminal device; reporting information to a base station or sending information to a second terminal device; terminating the positioning process.
  • a reselection mechanism for a positioning assistance terminal device may be provided, and the reselection of a positioning assistance terminal device may be performed based on a first specific event.
  • the present disclosure provides a processing method for a situation of "reselection of a positioning assistance terminal device", so as to reselect a positioning assistance terminal device based on a first specific event, and a reselection mechanism for a positioning assistance terminal device may be provided, so as to reduce the situation in which the positioning information is inaccurately determined when the positioning assistance terminal device does not meet the SL positioning requirements, and the accuracy of the positioning information determination may be improved.
  • FIG3 is a flow chart of a method for reselecting a positioning auxiliary terminal device provided by an embodiment of the present disclosure. The method is executed by a first terminal device. As shown in FIG3 , the method may include the following steps:
  • Step 301 Receive 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 Determine a configuration according to 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 periodic configuration.
  • step 301 and step 302 may be performed selectively, that is, only one of step 301 and step 302 may be performed, or they may be performed simultaneously.
  • a configuration sent by a base station is received; or a configuration is determined according to pre-configuration information of a 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 periodic configuration.
  • a reselection mechanism for a positioning-assisted terminal device can be provided, and the reselection of the positioning-assisted terminal device can be performed based on a first specific event.
  • the embodiments of the present disclosure specifically disclose a scheme for determining the configuration in a first specific event to improve the accuracy of whether to reselect the positioning-assisted terminal device.
  • the present disclosure provides a processing method for a situation of "reselection of a positioning-assisted terminal device", so as to reselect the positioning-assisted terminal device based on the first specific event, and a reselection mechanism for a positioning-assisted terminal device can be provided to reduce the situation where the positioning-assisted terminal device does not meet the SL positioning requirements, resulting in inaccurate determination of the positioning information, and can improve the accuracy of the positioning information determination.
  • FIG4 is a flow chart of a method for reselecting a positioning auxiliary terminal device provided by an embodiment of the present disclosure. The method is executed by a first terminal device. As shown in FIG4 , the method may include the following steps:
  • Step 401 In response to a side chain SL positioning process satisfying a first specific event, a first message is sent to a current service positioning assistance terminal device that does not meet the SL positioning service requirement, wherein the first message is used to cancel the current service positioning assistance terminal device or deactivate the current service positioning assistance terminal device;
  • Step 402 In response to the side chain SL positioning process satisfying the first specific event, a second message is sent to the target positioning assistance terminal device that meets the SL positioning service requirements, wherein the second message is used to configure the target positioning assistance terminal device as a positioning assistance terminal device or activate the configuration of the target positioning assistance terminal device.
  • the first message refers to a message sent by the first terminal device to the current service positioning auxiliary terminal device that does not meet the SL positioning service requirements.
  • the first message does not specifically refer to a fixed message, and the "first" in the "first message” is only used to distinguish it from other messages.
  • the second message refers to a message sent by the first terminal device to the target positioning auxiliary terminal device that meets the SL positioning service requirements.
  • the second message does not specifically refer to a fixed message, and the "second" in the "second message” is only used to distinguish it from other messages.
  • the positioning assistance terminal device required by the SL positioning service may include at least one of a signal quality meeting a threshold, a distance meeting a distance threshold, and an area meeting a specific area threshold.
  • the current service positioning assistance terminal device can be cancelled by canceling the configuration before de-configuring (such as SL-PRS resource configuration) or instructing the positioning assistance terminal device to terminate the current positioning process.
  • Deactivating the positioning assistance terminal device means retaining the previous configuration, but the configuration is not activated.
  • configuring the target positioning assistance terminal device includes configuring the SL-PRS resources of the target positioning assistance terminal device, and activating the positioning assistance terminal device is to activate the previous positioning assistance terminal device configuration, including the SL-PRS resource configuration.
  • the first terminal device may select the highest ranking positioning assistance terminal device as the target positioning assistance terminal device according to RSRP and/or RSRQ from high to low.
  • Figure 5 is an interactive schematic diagram of a reselection method for a positioning assistance terminal device provided in an embodiment of the present disclosure.
  • the first terminal device may send a first message to the current service positioning assistance terminal device that does not meet the SL positioning service requirements, or send a second message to the target positioning assistance terminal device that meets the SL positioning service requirements.
  • step 401 and step 402 may be performed either one or simultaneously.
  • a first message is sent to the current service positioning auxiliary terminal device that does not meet the SL positioning service requirements, wherein the first message is used to cancel the current service positioning auxiliary terminal device or deactivate the current service positioning auxiliary terminal device; in response to the side chain SL positioning process meeting the first specific event, a second message is sent to the target positioning auxiliary terminal device that meets the SL positioning service requirements, wherein the second message is used to configure the target positioning auxiliary terminal device as a positioning auxiliary terminal device or activate the configuration of the target positioning auxiliary terminal device.
  • a reselection mechanism for the positioning auxiliary terminal device can be provided, and the reselection of the positioning auxiliary terminal device can be performed based on the first specific event.
  • a scheme for how the first terminal device reselects the positioning auxiliary terminal device is specifically disclosed.
  • the present disclosure provides a processing method for a situation of "reselection of a positioning auxiliary terminal device", so as to reselect the positioning auxiliary terminal device based on the first specific event, and a reselection mechanism for the positioning auxiliary terminal device can be provided to reduce the situation where the positioning auxiliary terminal device does not meet the SL positioning requirements, which makes the positioning information inaccurate, and can improve the accuracy of the positioning information determination.
  • FIG6 is a flow chart of a method for reselecting a positioning auxiliary terminal device provided by an embodiment of the present disclosure. The method is executed by a first terminal device. As shown in FIG6 , the method may include the following steps:
  • Step 601 In response to triggering a second specific event, do not trigger reselection of a positioning auxiliary terminal device; and/or do not report information to a base station or a second terminal device.
  • the second specific event includes at least one of the following:
  • the SL positioning process is SL-round trip time RTT;
  • the SL positioning process involves a current service positioning auxiliary terminal device
  • the triggering mode of the position reporting or measurement result reporting of the SL positioning process is not periodic triggering or event triggering.
  • the reselection of the positioning auxiliary terminal device in response to triggering the second specific event, is not triggered; and/or the information is not reported to the base station, LMF or the second terminal device.
  • a reselection mechanism for the positioning auxiliary terminal device can be provided, and the reselection of the positioning auxiliary terminal device can be performed based on the first specific event.
  • a solution is specifically disclosed in which the reselection of the positioning auxiliary terminal device is not triggered when the second specific event is triggered; and/or the information is not reported to the base station or the second terminal device.
  • the present disclosure provides a processing method for a situation of "reselection of a positioning auxiliary terminal device", so as to reselect the positioning auxiliary terminal device based on the first specific event, and a reselection mechanism for the positioning auxiliary terminal device can be provided to reduce the situation in which the positioning information is inaccurately determined when the positioning auxiliary terminal device does not meet the SL positioning requirements, and the accuracy of the positioning information determination can be improved.
  • FIG. 7 is a flow chart of a method for reselecting a positioning assistance terminal device provided by an embodiment of the present disclosure. The method is executed by a first terminal device. As shown in FIG. 7 , the method may include the following steps:
  • Step 701 In response to the side chain SL positioning process satisfying a first specific event, a third message is sent to the current service positioning assistance terminal device, wherein the third message is used to terminate the SL positioning process.
  • the first terminal device may send the third message only to the currently serving positioning assistance terminal devices that do not meet the requirements, or may send the third message to all positioning assistance terminal devices.
  • the first terminal device can terminate the current positioning process.
  • a third message is sent to the current service positioning assistance terminal device, wherein the third message is used to terminate the SL positioning process.
  • a reselection mechanism for the positioning assistance terminal device can be provided, and the reselection of the positioning assistance terminal device can be performed based on the first specific event.
  • a scheme for the first terminal device to terminate the SL positioning process is specifically disclosed.
  • the present disclosure provides a processing method for a situation of "reselection of a positioning assistance terminal device", so as to reselect the positioning assistance terminal device based on the first specific event, and a reselection mechanism for the positioning assistance terminal device can be provided to reduce the situation where the positioning assistance terminal device does not meet the SL positioning requirements, resulting in inaccurate positioning information determination, and can improve the accuracy of positioning information determination.
  • FIG8 is a flow chart of a method for reselecting a positioning auxiliary terminal device provided by an embodiment of the present disclosure. The method is executed by a second terminal device. As shown in FIG8 , the method may include the following steps:
  • Step 801 receiving information reported by a first terminal device.
  • the first specific event includes at least one of the following:
  • 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 device and the first terminal device does not meet the distance threshold requirement
  • the first terminal device or the current service positioning auxiliary terminal device leaves the specific area
  • a radio link failure RLF occurs in the sidelink link between the current service positioning auxiliary terminal device and the first terminal device.
  • triggering a positioning assistance terminal device reselection process includes:
  • a second message is sent to the target positioning assistance terminal device that meets the SL positioning service requirements, wherein the second message is used to configure the target positioning assistance terminal device as a positioning assistance terminal device or activate the configuration of the target positioning assistance terminal device.
  • the first specific event includes at least one of the following:
  • 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 device and the first terminal device does not meet the distance threshold requirement
  • the first terminal device or the current service positioning auxiliary terminal device leaves the specific area
  • a radio link failure RLF occurs in the sidelink link between the current service positioning auxiliary terminal device and the first terminal device.
  • FIG9 is an interactive schematic diagram of a method for reselecting a positioning assistance terminal device provided by an embodiment of the present disclosure.
  • the first terminal device in response to the side chain SL positioning process satisfying the first specific event, can report information to the second terminal device.
  • the second terminal device can receive the information and trigger the positioning assistance terminal device reselection process.
  • the method further includes:
  • a target location service terminal device is determined, and the second terminal device is cancelled or deactivated.
  • the second terminal device may be, for example, a terminal device having the function of selecting and reselecting positioning auxiliary terminal devices, such as a location service terminal device location server UE.
  • the information includes at least one of the following:
  • the first triggering event that triggers the report
  • the device identifier of the first terminal device is the identifier of the first terminal device.
  • the method further includes:
  • information reported by the first terminal device is received; and a positioning assistance terminal device reselection process is triggered, wherein the information is reported by the first terminal device in response to the SL positioning process performed by the first terminal device satisfying the first specific event.
  • a reselection mechanism for the positioning assistance terminal device can be provided, and the information reported by the first terminal device can be received to trigger the reselection of the positioning assistance terminal device.
  • the present disclosure provides a processing method for a situation of "reselection of a positioning assistance terminal device", so as to reselect the positioning assistance terminal device based on the information reported by the first terminal device, and a reselection mechanism for the positioning assistance terminal device can be provided to reduce the situation where the positioning assistance terminal device does not meet the SL positioning requirements, resulting in inaccurate positioning information determination, and can improve the accuracy of positioning information determination.
  • FIG10 is a flow chart of a method for reselecting a positioning assistance terminal device provided by an embodiment of the present disclosure. The method is executed by a base station. As shown in FIG10 , the method may include the following steps:
  • Step 1001 receiving information reported by a first terminal device.
  • the first specific event includes at least one of the following:
  • 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 device and the first terminal device does not meet the distance threshold requirement
  • the first terminal device or the current service positioning auxiliary terminal device leaves the specific area
  • a radio link failure RLF occurs in the sidelink link between the current service positioning auxiliary terminal device and the first terminal device.
  • the first specific event includes at least one of the following:
  • 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 device and the first terminal device does not meet the distance threshold requirement
  • the first terminal device or the current service positioning auxiliary terminal device leaves the specific area
  • a radio link failure RLF occurs in the sidelink link between the current service positioning auxiliary terminal device and the first terminal device.
  • FIG11 is an interactive schematic diagram of a method for reselecting a positioning-assisted terminal device provided by an embodiment of the present disclosure.
  • the first terminal device in response to the sidelink SL positioning process satisfying the first specific event, can report information to the base station.
  • the base station can receive the information and trigger the positioning-assisted terminal device reselection process.
  • triggering a positioning assistance terminal device reselection process includes:
  • a second message is sent to the target positioning assistance terminal device that meets the SL positioning service requirements, wherein the second message is used to configure the target positioning assistance terminal device as a positioning assistance terminal device or activate the configuration of the target positioning assistance terminal device.
  • the method further includes:
  • the configuration includes at least one of a signal quality threshold configuration, a distance threshold configuration, a specific area configuration, and a periodic configuration.
  • the method further includes:
  • the configuration includes at least one of a signal quality threshold configuration, a distance threshold configuration, a specific area configuration, and a period configuration;
  • the configuration is forwarded to the first terminal device.
  • FIG12 is an interactive schematic diagram of a method for reselecting a positioning auxiliary terminal device provided by an embodiment of the present disclosure.
  • the network side device may be, for example, a mobility management function (LMF).
  • the base station may receive a configuration sent by the network side device, which may be, for example, an LMF.
  • the base station may receive the configuration sent by the LMF.
  • the base station may forward the configuration to the first terminal device.
  • LMF mobility management function
  • the method further includes:
  • FIG13 is an interactive schematic diagram of a method for reselecting a positioning-assisted terminal device provided by an embodiment of the present disclosure.
  • the first terminal device in response to the side chain SL positioning process satisfying the first specific event, can report information to the base station.
  • the base station can receive the information and send the information to the LMF.
  • the LMF can receive the information, and the LMF can trigger the positioning-assisted terminal device reselection process.
  • the information includes at least one of the following:
  • the first triggering event that triggers the report
  • the device identifier of the first terminal device is the identifier of the first terminal device.
  • the method further includes:
  • the method further includes:
  • information reported by the first terminal device is received; and a positioning assistance terminal device reselection process is triggered, wherein the information is reported by the first terminal device in response to the SL positioning process performed by the first terminal device satisfying the first specific event.
  • a reselection mechanism for the positioning assistance terminal device can be provided, and the information reported by the first terminal device can be received to trigger the reselection of the positioning assistance terminal device.
  • the present disclosure provides a processing method for a situation of "reselection of a positioning assistance terminal device", so as to reselect the positioning assistance terminal device based on the information reported by the first terminal device, and a reselection mechanism for the positioning assistance terminal device can be provided to reduce the situation where the positioning assistance terminal device does not meet the SL positioning requirements, resulting in inaccurate positioning information determination, and can improve the accuracy of positioning information determination.
  • FIG14 is a flow chart of a method for reselecting a positioning assistance terminal device provided by an embodiment of the present disclosure. The method is executed by a base station. As shown in FIG14 , the method may include the following steps:
  • Step 1401 Receive information reported by a first terminal device, and send a first message to a current service positioning assistance terminal device that does not meet the SL positioning service requirements, wherein the first message is used to cancel the current service positioning assistance terminal device or deactivate the current service positioning assistance terminal device, wherein the current service positioning assistance terminal device is a terminal device participating in the SL positioning process;
  • Step 1402 Receive information reported by the first terminal device, and send a second message to the target positioning assistance terminal device that meets the SL positioning service requirements, wherein the second message is used to configure the target positioning assistance terminal device as a positioning assistance terminal device or activate the configuration of the target positioning assistance terminal device.
  • the method further includes:
  • the information reported by the first terminal device is received, and a first message is sent to the current service positioning auxiliary terminal device that does not meet the SL positioning service requirements, wherein the first message is used to cancel the current service positioning auxiliary terminal device or deactivate the current service positioning auxiliary terminal device, wherein the current service positioning auxiliary terminal device is a terminal device participating in the SL positioning process;
  • the information reported by the first terminal device is received, and a second message is sent to the target positioning auxiliary terminal device that meets the SL positioning service requirements, wherein the second message is used to configure the target positioning auxiliary terminal device as a positioning auxiliary terminal device or activate the configuration of the target positioning auxiliary terminal device.
  • a reselection mechanism for the positioning auxiliary terminal device can be provided, and the reselection of the positioning auxiliary terminal device can be triggered by receiving the information reported by the first terminal device.
  • a scheme for how the base station reselects the positioning auxiliary terminal device is specifically disclosed.
  • the present disclosure provides a processing method for a situation of "reselection of a positioning auxiliary terminal device", so as to reselect the positioning auxiliary terminal device based on the information reported by the first terminal device, and a reselection mechanism for the positioning auxiliary terminal device can be provided to reduce the situation where the positioning auxiliary terminal device does not meet the SL positioning requirements, which makes the positioning information inaccurate, and improve the accuracy of the positioning information determination.
  • FIG. 15 is a flow chart of a method for reselecting a positioning assistance terminal device provided by an embodiment of the present disclosure. The method is executed by a base station. As shown in FIG. 15 , the method may include the following steps:
  • Step 1501 Send a configuration to a 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 periodic configuration.
  • the method further includes:
  • a configuration is sent 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 periodic configuration.
  • a reselection mechanism for a positioning-assisting terminal device may be provided, and the reselection of the positioning-assisting terminal device may be performed based on a first specific event.
  • the embodiments of the present disclosure specifically disclose a scheme for determining the configuration in the first specific event to improve the accuracy of whether to reselect the positioning-assisting terminal device.
  • the present disclosure provides a processing method for a situation of "reselection of a positioning-assisting terminal device", so as to reselect the positioning-assisting terminal device based on the information reported by the first terminal device, and a reselection mechanism for a positioning-assisting terminal device may be provided to reduce the situation in which the positioning information is inaccurately determined when the positioning-assisting terminal device does not meet the SL positioning requirements, and the accuracy of the positioning information determination may be improved.
  • FIG16 is a flow chart of a method for reselecting a positioning assistance terminal device provided by an embodiment of the present disclosure. The method is executed by a base station. As shown in FIG16 , the method may include the following steps:
  • Step 1601 Receive 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 forward the configuration to the first terminal device.
  • a configuration sent by a network side device is received, wherein the configuration includes at least one of a signal quality threshold configuration, a distance threshold configuration, a specific area configuration, and a periodic configuration; and the configuration is forwarded to the first terminal device.
  • a reselection mechanism for a positioning-assisting terminal device can be provided, and the reselection of the positioning-assisting terminal device can be performed based on a first specific event.
  • the embodiments of the present disclosure specifically disclose a scheme for determining the configuration in the first specific event to improve the accuracy of whether to reselect the positioning-assisting terminal device.
  • the present disclosure provides a processing method for a situation of "reselection of a positioning-assisting terminal device", so as to reselect the positioning-assisting terminal device based on the information reported by the first terminal device, and a reselection mechanism for the positioning-assisting terminal device can be provided to reduce the situation in which the positioning information is inaccurately determined when the positioning-assisting terminal device does not meet the SL positioning requirements, and the accuracy of the positioning information can be improved.
  • FIG. 17 is a flow chart of a method for reselecting a positioning assistance terminal device provided by an embodiment of the present disclosure. The method is executed by a base station. As shown in FIG. 17 , the method may include the following steps:
  • Step 1701 Receive information reported by a first terminal device, wherein the information is reported by the first terminal device in response to a SL positioning process performed by the first terminal device satisfying a first specific event;
  • Step 1702 Send information to the network side device.
  • the base station may send information to a network side device.
  • the network side device may be, for example, a LMF.
  • LMF positioning assistance terminal device reselection process
  • information reported by the first terminal device is received, wherein the information is reported by the first terminal device in response to the SL positioning process performed by the first terminal device satisfying the first specific event; and the information is sent to the network side device.
  • a reselection mechanism for positioning-assisting terminal devices can be provided, and the information reported by the first terminal device can be received to trigger the reselection of the positioning-assisting terminal device.
  • the present disclosure provides a processing method for a situation of "reselection of positioning-assisting terminal devices", in which the network side device reselects the positioning-assisting terminal device based on the information reported by the first terminal device, and a reselection mechanism for positioning-assisting terminal devices can be provided to reduce the situation in which the positioning information is inaccurately determined when the positioning-assisting terminal device does not meet the SL positioning requirements, and the accuracy of the positioning information determination can be improved.
  • FIG. 18 is a flow chart of a method for reselecting a positioning assistance terminal device provided by an embodiment of the present disclosure. The method is executed by a base station. As shown in FIG. 18 , the method may include the following steps:
  • Step 1801 Receive 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 1802 forward the configuration to the first terminal device.
  • a configuration sent by a network side device is received, wherein the configuration includes at least one of a signal quality threshold configuration, a distance threshold configuration, a specific area configuration, and a periodic configuration; and the configuration is forwarded to the first terminal device.
  • a reselection mechanism for a positioning-assisting terminal device can be provided, and the reselection of the positioning-assisting terminal device can be performed based on a first specific event.
  • the embodiments of the present disclosure specifically disclose a scheme for determining the configuration in the first specific event to improve the accuracy of whether to reselect the positioning-assisting terminal device.
  • the present disclosure provides a processing method for a situation of "reselection of a positioning-assisting terminal device", so as to reselect the positioning-assisting terminal device based on the information reported by the first terminal device, and a reselection mechanism for the positioning-assisting terminal device can be provided to reduce the situation in which the positioning information is inaccurately determined when the positioning-assisting terminal device does not meet the SL positioning requirements, and the accuracy of the positioning information can be improved.
  • FIG. 19 is a flow chart of a method for reselecting a positioning assistance terminal device provided by an embodiment of the present disclosure. The method is executed by a network-side device. As shown in FIG. 19 , the method may include the following steps:
  • Step 1901 Receive information sent by a base station, wherein the information is reported to the base station by a first terminal device in response to a SL positioning process performed by the first terminal device satisfying a first specific event.
  • the base station may send information to a network side device.
  • the network side device may be, for example, a LMF.
  • LMF positioning assistance terminal device reselection process
  • information sent by the base station is received, wherein the information is reported to the base station by the first terminal device in response to the SL positioning process performed by the first terminal device satisfying the first specific event.
  • a reselection mechanism for positioning-assisting terminal devices can be provided, and the information reported by the first terminal device can be received to trigger the reselection of the positioning-assisting terminal device.
  • the present disclosure provides a processing method for a situation of "reselection of positioning-assisting terminal devices", in which a network-side device reselects the positioning-assisting terminal device based on the information reported by the base station, and a reselection mechanism for positioning-assisting terminal devices can be provided to reduce the situation in which the positioning information is inaccurately determined when the positioning-assisting terminal device does not meet the SL positioning requirements, and can improve the accuracy of the positioning information determination.
  • FIG20 is a flow chart of a method for reselecting a positioning auxiliary terminal device provided by an embodiment of the present disclosure. The method is executed by a network side device. As shown in FIG20 , the method may include the following steps:
  • Step 2001 Send a configuration to 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 periodic configuration, and the configuration is used to instruct the base station to send the configuration to a first terminal device.
  • 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 periodic configuration.
  • the base station may send the configuration to the first terminal device.
  • a configuration is sent to 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 periodic configuration, and the configuration is used to instruct the base station to send the configuration to the first terminal device.
  • a reselection mechanism for a positioning-assisted terminal device can be provided, and the reselection of the positioning-assisted terminal device can be performed based on a first specific event.
  • the embodiments of the present disclosure specifically disclose a scheme for determining the configuration in the first specific event to improve the accuracy of whether to reselect the positioning-assisted terminal device.
  • the present disclosure provides a processing method for a situation of "reselection of a positioning-assisted terminal device", so as to reselect the positioning-assisted terminal device based on the information reported by the first terminal device, and a reselection mechanism for the positioning-assisted terminal device can be provided to reduce the situation in which the positioning information is inaccurately determined when the positioning-assisted terminal device does not meet the SL positioning requirements, and the accuracy of the positioning information can be improved.
  • FIG. 21 is a schematic diagram of the structure of a reselection device for a positioning auxiliary terminal device provided by an embodiment of the present disclosure. As shown in FIG. 21 , the device 2100 may be arranged on the first terminal device side, and the device 2100 may include:
  • the selection module 2101 is configured to perform at least one of the following operations:
  • the reselection device of the positioning assistance terminal device in the embodiment of the present disclosure, at least one of the following operations is performed by the selection module: reselecting the positioning assistance terminal device; reporting information to the base station or sending information to the second terminal device; terminating the positioning process. .
  • a reselection mechanism for the positioning assistance terminal device can be provided, and the reselection of the positioning assistance terminal device can be performed based on the first specific event.
  • the present disclosure provides a processing device for a situation of "reselection of the positioning assistance terminal device", so as to reselect the positioning assistance terminal device based on the first specific event, and a reselection mechanism for the positioning assistance terminal device can be provided, so as to reduce the situation where the positioning information is inaccurately determined when the positioning assistance terminal device does not meet the SL positioning requirements, and can improve the accuracy of the positioning information determination.
  • the first specific event includes at least one of the following:
  • 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 device and the first terminal device does not meet the distance threshold requirement
  • the first terminal device or the current service positioning auxiliary terminal device leaves the specific area
  • a radio link failure RLF occurs in the sidelink link between the current service positioning auxiliary terminal device and the first terminal device.
  • FIG. 22 is a schematic structural diagram of a reselection device for a positioning auxiliary terminal device provided in an embodiment of the present disclosure.
  • the device 2100 may include a receiving module 2102 for:
  • the configuration includes at least one of signal quality threshold configuration, distance threshold configuration, specific area configuration and periodic configuration.
  • the information includes at least one of the following:
  • the first triggering event that triggers the report
  • the device identifier of the first terminal device is the identifier of the first terminal device.
  • the selection module 2101 is used to reselect a positioning assistance terminal device, specifically for at least one of the following:
  • a second message is sent to the target positioning assistance terminal device that meets the SL positioning service requirements, wherein the second message is used to configure the target positioning assistance terminal device as a positioning assistance terminal device or activate the configuration of the target positioning assistance terminal device.
  • the selection module 2101 is further configured to:
  • reselection of the positioning auxiliary terminal device is not triggered; and/or information is not reported to the base station or the second terminal device.
  • the second specific event includes at least one of the following:
  • the SL positioning process is SL-round trip time RTT;
  • the SL positioning process involves a current service positioning auxiliary terminal device
  • the triggering mode of the position reporting or measurement result reporting of the SL positioning process is not periodic triggering or event triggering.
  • the selection module 2101 is used to terminate the positioning process, specifically to:
  • a third message is sent to the current service positioning assistance terminal device, wherein the third message is used to terminate the SL positioning process.
  • the selection module 2101 is further configured to:
  • FIG. 23 is a schematic diagram of the structure of a reselection device for a positioning auxiliary terminal device provided by an embodiment of the present disclosure. As shown in FIG. 23 , the device 2300 may be arranged on the second terminal device side, and the device 2300 may include:
  • the receiving module 2301 is used to receive information reported by the first terminal device.
  • the information reported by the first terminal device is received by the receiving module; and the reselection process of the positioning assistance terminal device is triggered, wherein the information is reported by the first terminal device in response to the SL positioning process performed by the first terminal device satisfying the first specific event.
  • a reselection mechanism for the positioning assistance terminal device can be provided, and the information reported by the first terminal device can be received to trigger the reselection of the positioning assistance terminal device.
  • the present disclosure provides a processing device for a situation of "reselection of the positioning assistance terminal device” to reselect the positioning assistance terminal device based on the information reported by the first terminal device, and a reselection mechanism for the positioning assistance terminal device can be provided to reduce the situation where the positioning assistance terminal device does not meet the SL positioning requirements, which makes the positioning information determination inaccurate, and can improve the accuracy of the positioning information determination.
  • the first specific event includes at least one of the following:
  • 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 device and the first terminal device does not meet the distance threshold requirement
  • the first terminal device or the current service positioning auxiliary terminal device leaves the specific area
  • a radio link failure RLF occurs in the sidelink link between the current service positioning auxiliary terminal device and the first terminal device.
  • the receiving module 2301 is used to trigger the positioning assistance terminal device reselection process, specifically to:
  • a second message is sent to the target positioning assistance terminal device that meets the SL positioning service requirements, wherein the second message is used to configure the target positioning assistance terminal device as a positioning assistance terminal device or activate the configuration of the target positioning assistance terminal device.
  • the receiving module 2301 is further configured to:
  • a target location service terminal device is determined, and the second terminal device is cancelled or deactivated.
  • the information includes at least one of the following:
  • the first triggering event that triggers the report
  • the device identifier of the first terminal device is the identifier of the first terminal device.
  • the receiving module 2301 is further configured to:
  • FIG. 24 is a schematic diagram of the structure of a reselection device for a positioning auxiliary terminal device provided by an embodiment of the present disclosure. As shown in FIG. 24 , the device 2400 may be arranged at a base station side, and the device 2400 may include:
  • the receiving module 2401 is used to receive information reported by the first terminal device.
  • the information reported by the first terminal device is received by the receiving module; and the reselection process of the positioning assistance terminal device is triggered, wherein the information is reported by the first terminal device in response to the SL positioning process performed by the first terminal device satisfying the first specific event.
  • a reselection mechanism for the positioning assistance terminal device can be provided, and the information reported by the first terminal device can be received to trigger the reselection of the positioning assistance terminal device.
  • the present disclosure provides a processing method for a situation of "reselection of the positioning assistance terminal device", so as to reselect the positioning assistance terminal device based on the information reported by the first terminal device, and a reselection mechanism for the positioning assistance terminal device can be provided to reduce the situation where the positioning assistance terminal device does not meet the SL positioning requirements, which makes the positioning information determination inaccurate, and can improve the accuracy of the positioning information determination.
  • the first specific event includes at least one of the following:
  • 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 device and the first terminal device does not meet the distance threshold requirement
  • the first terminal device or the current service positioning auxiliary terminal device leaves the specific area
  • a radio link failure RLF occurs in the sidelink link between the current service positioning auxiliary terminal device and the first terminal device.
  • the receiving module 2401 is used to trigger the positioning assistance terminal device reselection process, specifically to:
  • a second message is sent to the target positioning assistance terminal device that meets the SL positioning service requirements, wherein the second message is used to configure the target positioning assistance terminal device as a positioning assistance terminal device or activate the configuration of the target positioning assistance terminal device.
  • FIG. 25 is a schematic diagram of the structure of a reselection device for a positioning auxiliary terminal device provided in an embodiment of the present disclosure.
  • the device 2400 may include a sending module 2402 for:
  • the configuration includes at least one of a signal quality threshold configuration, a distance threshold configuration, a specific area configuration, and a periodic configuration.
  • the receiving module 2401 is further configured to:
  • the configuration includes at least one of a signal quality threshold configuration, a distance threshold configuration, a specific area configuration, and a period configuration;
  • the configuration is forwarded to the first terminal device.
  • the sending module 2402 is further configured to:
  • the information includes at least one of the following:
  • the first triggering event that triggers the report
  • the device identifier of the first terminal device is the identifier of the first terminal device.
  • the receiving module 2401 is further configured to:
  • UE2600 may be a mobile phone, a computer, a digital broadcast terminal device, a messaging device, a game console, a tablet device, a medical device, a fitness device, a personal digital assistant, etc.
  • UE 2600 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 .
  • the processing component 2602 generally controls the overall operation of the UE 2600, 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 complete all or part of the steps of the above-mentioned method.
  • the processing component 2602 may include at least one module to facilitate the interaction between the processing component 2602 and other components.
  • the processing component 2602 may include a multimedia module to facilitate the interaction between the multimedia component 2608 and the processing component 2602.
  • the memory 2604 is configured to store various types of data to support the operation of the UE 2600. Examples of such data include instructions for any application or method operating on the UE 2600, contact data, phone book data, messages, pictures, videos, etc.
  • the memory 2604 can be implemented by any type of volatile or non-volatile storage device or a combination thereof, 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 disk or optical disk.
  • SRAM static random access memory
  • EEPROM electrically erasable programmable read-only memory
  • EPROM erasable programmable read-only memory
  • PROM programmable read-only memory
  • ROM read-only memory
  • magnetic memory flash memory
  • flash memory magnetic disk or optical disk.
  • the power component 2606 provides power to various components of the UE 2600.
  • the power component 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.
  • the multimedia component 2608 includes a screen that provides an output interface between the UE 2600 and the user.
  • 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 input signals from the user.
  • the touch panel includes at least one touch sensor to sense touch, slide, and gestures on the touch panel. The touch sensor may not only sense the boundaries of the touch or slide action, but also detect the wake-up time and pressure associated with the touch or slide operation.
  • the multimedia component 2608 includes a front camera and/or a rear camera.
  • the front camera and/or the rear camera may receive external multimedia data.
  • 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.
  • the audio component 2610 includes a microphone (MIC), and when the UE 2600 is in an operating mode, such as a call mode, a recording mode, and a speech recognition mode, the microphone is configured to receive an external audio signal.
  • the received audio signal may be further stored in the memory 2604 or sent via the communication component 2616.
  • the audio component 2610 also includes a speaker for outputting an audio signal.
  • I/O interface 2612 provides an interface between processing component 2602 and peripheral interface modules, which may be keyboards, click wheels, buttons, etc. These buttons may include, but are not limited to, home buttons, volume buttons, start buttons, and lock buttons.
  • the sensor component 2614 includes at least one sensor for providing various aspects of status assessment for UE2600.
  • the sensor component 2614 can detect the open/closed state of the device 2600, the relative positioning of the components, such as the display and keypad of the UE2600, and the sensor component 2614 can also detect the position change of UE2600 or a component of UE2600, the presence or absence of user contact with UE2600, the orientation or acceleration/deceleration of UE2600 and the temperature change of UE2600.
  • the sensor component 2614 may include a proximity sensor configured to detect the presence of nearby objects without any physical contact.
  • the sensor component 2614 may also include an optical sensor, such as a CMOS or CCD image sensor, for use in imaging applications.
  • the sensor component 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 wired or wireless communication between UE2600 and other devices.
  • UE2600 can access a wireless network based on a communication standard, such as WiFi, 2G, 3G, 4G, 5G or a combination thereof.
  • the communication component 2616 receives a broadcast signal or broadcast-related information from an external broadcast management system via a broadcast channel.
  • the communication component 2616 also includes a near field communication (NFC) module to facilitate short-range communication.
  • the NFC module can be implemented based on radio frequency identification (RFID) technology, infrared data association (IrDA) technology, ultra-wideband (UWB) technology, Bluetooth (BT) technology and other technologies.
  • RFID radio frequency identification
  • IrDA infrared data association
  • UWB ultra-wideband
  • Bluetooth Bluetooth
  • 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 to perform the above method.
  • ASIC application-specific integrated circuit
  • DSP digital signal processor
  • DSPD digital signal processing device
  • PLD programmable logic device
  • FPGA field programmable gate array
  • controller microcontroller, microprocessor or other electronic component to perform the above method.
  • FIG27 is a block diagram of a network side device 2700 provided in an embodiment of the present disclosure.
  • the network side device 2700 may be provided as a network side device.
  • the network side device 2700 includes a processing component 2722, which further includes at least one processor, and a memory resource represented by a memory 2732 for storing instructions executable by the processing component 2722, such as an application.
  • the application stored in the memory 2732 may include one or more modules, each corresponding to a set of instructions.
  • the processing component 2722 is configured to execute instructions to perform any method of the aforementioned method applied to the network side device.
  • the network side device 2700 may also include a power supply 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 the network, and an input/output (I/O) interface 2758.
  • the network side device 2700 may operate based on an operating system stored in the memory 2732, such as Windows Server TM, Mac OS XTM, Unix TM, Linux TM, Free BSDTM or the like.
  • the methods provided by the embodiments of the present disclosure are introduced from the perspectives of the network side device and the UE.
  • the network side device and the UE may include a hardware structure and a software module, and implement the above functions in the form of a hardware structure, a software module, or a hardware structure plus a software module.
  • One of the above functions may be executed in the form of a hardware structure, a software module, or a hardware structure plus a software module.
  • the methods provided by the embodiments of the present disclosure are introduced from the perspectives of the network side device and the UE.
  • the network side device and the UE may include a hardware structure and a software module, and implement the above functions in the form of a hardware structure, a software module, or a hardware structure plus a software module.
  • One of the above functions may be executed in the form of a hardware structure, a software module, or a hardware structure plus a software module.
  • the present disclosure provides a communication device.
  • the communication device may include a transceiver module and a processing module.
  • the transceiver module may include a sending module and/or a receiving module, the sending module is used to implement a sending function, the receiving module is used to implement a receiving function, and the transceiver module may implement a sending function and/or a receiving function.
  • the communication device may be a terminal device (such as the terminal device in the aforementioned method embodiment), or a device in the terminal device, or a device that can be used in conjunction with the terminal device.
  • the communication device may be a network device, or a device in the network device, or a device that can be used in conjunction with the network device.
  • the communication device may be a network device, or a terminal device (such as the terminal device in the aforementioned method embodiment), or a chip, a chip system, or a processor that supports the network device to implement the aforementioned method, or a chip, a chip system, or a processor that supports the terminal device to implement the aforementioned method.
  • the device may be used to implement the method described in the aforementioned method embodiment, and the details may refer to the description in the aforementioned method embodiment.
  • the communication device may include one or more processors.
  • the processor may be a general-purpose processor or a dedicated processor, etc.
  • it may be a baseband processor or a central processing unit.
  • the baseband processor may be used to process the communication protocol and communication data
  • the central processing unit may be used to control the communication device (such as a network side device, a baseband chip, a terminal device, a terminal device chip, a DU or a CU, etc.), execute a computer program, and process the data of the computer program.
  • the communication device may further include one or more memories, on which a computer program may be stored, and the processor executes the computer program so that the communication device performs the method described in the above method embodiment.
  • data may also be stored in the memory.
  • the communication device and the memory may be provided separately or integrated together.
  • the communication device may further include a transceiver and an antenna.
  • the transceiver may be referred to as a transceiver unit, a transceiver, or a transceiver circuit, etc., and is used to implement a transceiver function.
  • the transceiver may include a receiver and a transmitter, the receiver may be referred to as a receiver or a receiving circuit, etc., and is used to implement a receiving function; the transmitter may be referred to as a transmitter or a transmitting circuit, etc., and is used to implement a transmitting function.
  • the communication device may further include one or more interface circuits.
  • the interface circuit is used to receive code instructions and transmit them to the processor.
  • the processor runs the code instructions to enable the communication device to execute the method described in the above method embodiment.
  • the communication device is a first terminal device (such as the terminal device in the aforementioned method embodiment): the processor is used to execute any one of the methods shown in Figures 2 to 7.
  • the communication device is a second terminal device (such as the terminal device in the aforementioned method embodiment): the processor is used to execute any one of the methods shown in Figures 8-9.
  • the communication device is a base station: the processor is used to execute any one of the methods shown in Figures 10 to 18.
  • the communication device is a network side device: the processor is used to execute any method shown in Figures 19-20.
  • the processor may include a transceiver for implementing receiving and sending functions.
  • the transceiver may be a transceiver circuit, or an interface, or an interface circuit.
  • the transceiver circuit, interface, or interface circuit for implementing the receiving and sending functions may be separate or integrated.
  • the above-mentioned transceiver circuit, interface, or interface circuit may be used for reading and writing code/data, or the above-mentioned transceiver circuit, interface, or interface circuit may be used for transmitting or delivering signals.
  • the processor may store a computer program, which runs on the processor and enables the communication device to perform the method described in the above method embodiment.
  • the computer program may be fixed in the processor, in which case the processor may be implemented by hardware.
  • the communication device may include a circuit that can implement the functions of sending or receiving or communicating in the aforementioned method embodiments.
  • the processor and transceiver described in the present disclosure may be implemented in an integrated circuit (IC), an analog IC, a radio frequency integrated circuit RFIC, a mixed signal IC, an application specific integrated circuit (ASIC), a printed circuit board (PCB), an electronic device, etc.
  • the processor and transceiver may also be manufactured using various IC process technologies, such as complementary metal oxide semiconductor (CMOS), N-type metal oxide semiconductor (NMOS), P-type metal oxide semiconductor (positive channel metal oxide semiconductor, PMOS), bipolar junction transistor (BJT), bipolar CMOS (BiCMOS), silicon germanium (SiGe), gallium arsenide (GaAs), etc.
  • CMOS complementary metal oxide semiconductor
  • NMOS N-type metal oxide semiconductor
  • PMOS P-type metal oxide semiconductor
  • BJT bipolar junction transistor
  • BiCMOS bipolar CMOS
  • SiGe silicon germanium
  • GaAs gallium arsenide
  • the communication device described in the above embodiments may be a network device or a terminal device (such as the terminal device in the aforementioned method embodiment), but the scope of the communication device described in the present disclosure is not limited thereto, and the structure of the communication device may not be limited thereto.
  • the communication device may be an independent device or may be part of a larger device.
  • the communication device may be:
  • the IC set may also include a storage component for storing data and computer programs;
  • ASIC such as modem
  • the communication device may be a chip or a chip system
  • the chip includes a processor and an interface, wherein the number of the processors may be one or more, and the number of the interfaces may be multiple.
  • the chip also includes a memory for storing necessary computer programs and data.
  • the present disclosure also provides a readable storage medium having instructions stored thereon, which implement the functions of any of the above method embodiments when executed by a computer.
  • the present disclosure also provides a computer program product, which implements the functions of any of the above method embodiments when executed by a computer.
  • the computer program product includes one or more computer programs.
  • the computer can be a general-purpose computer, a special-purpose computer, a computer network, 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.
  • the computer program can be transmitted from a website site, computer, server or data center by wired (e.g., coaxial cable, optical fiber, digital subscriber line (digital subscriber line, DSL)) or wireless (e.g., infrared, wireless, microwave, etc.) mode to another website site, computer, server or data center.
  • 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 or data center that includes one or more available media integrated.
  • the available medium may be a magnetic medium (e.g., a floppy disk, a hard disk, a magnetic tape), an optical medium (e.g., a high-density digital video disc (DVD)), or a semiconductor medium (e.g., a solid state disk (SSD)), etc.
  • a magnetic medium e.g., a floppy disk, a hard disk, a magnetic tape
  • an optical medium e.g., a high-density digital video disc (DVD)
  • DVD high-density digital video disc
  • SSD solid state disk
  • At least one in the present disclosure may also be described as one or more, and a plurality may be two, three, four or more, which is not limited in the present disclosure.
  • the technical features in the technical feature are distinguished by “first”, “second”, “third”, “A”, “B”, “C” and “D”, etc., and there is no order of precedence or size between the technical features described by the "first”, “second”, “third”, “A”, “B”, “C” and “D”.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Procédé de resélection d'un équipement terminal d'aide au positionnement, exécuté par un premier équipement terminal, et consistant à : en réponse à un processus de positionnement de liaison latérale (SL) satisfaisant à un premier événement spécifique, réaliser au moins l'une des opérations suivantes consistant à : resélectionner un équipement terminal d'aide au positionnement ; rapporter des informations à une station de base ou envoyer des informations à un second équipement terminal ; et mettre fin au processus de positionnement.
PCT/CN2022/121507 2022-09-26 2022-09-26 Procédé et appareil de resélection d'un équipement terminal d'aide au positionnement Ceased WO2024065133A1 (fr)

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CN202280003563.9A CN115769644A (zh) 2022-09-26 2022-09-26 定位辅助终端设备的重新选择方法、装置

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