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WO2023019482A1 - Procédé de détermination de point d'ancrage, premier dispositif électronique et second dispositif électronique - Google Patents

Procédé de détermination de point d'ancrage, premier dispositif électronique et second dispositif électronique Download PDF

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Publication number
WO2023019482A1
WO2023019482A1 PCT/CN2021/113317 CN2021113317W WO2023019482A1 WO 2023019482 A1 WO2023019482 A1 WO 2023019482A1 CN 2021113317 W CN2021113317 W CN 2021113317W WO 2023019482 A1 WO2023019482 A1 WO 2023019482A1
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WIPO (PCT)
Prior art keywords
electronic device
message
information
anchor point
positioning
Prior art date
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PCT/CN2021/113317
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English (en)
Chinese (zh)
Inventor
冷冰雪
卢前溪
尤心
刘洋
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.)
Guangdong Oppo Mobile Telecommunications Corp Ltd
Original Assignee
Guangdong Oppo Mobile Telecommunications Corp 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.)
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Application filed by Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority to CN202180097845.5A priority Critical patent/CN117280712A/zh
Priority to PCT/CN2021/113317 priority patent/WO2023019482A1/fr
Publication of WO2023019482A1 publication Critical patent/WO2023019482A1/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
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information

Definitions

  • the present application relates to the communication field, and more specifically, relates to an anchor point determination method, a first electronic device, a second electronic device, a chip, a computer-readable storage medium, a computer program product, a computer program and a communication system.
  • Positioning is one of the indispensable applications in current life, and the requirements for delay and accuracy of positioning are becoming more and more stringent.
  • the enhanced positioning capabilities of the New Radio (NR) system bring additional gains to positioning accuracy.
  • the implementation of positioning is still not flexible enough, resulting in limited room for improving positioning accuracy.
  • embodiments of the present application provide an anchor point determination method, a first electronic device, a second electronic device, a chip, a computer-readable storage medium, a computer program product, a computer program, and a communication system.
  • An embodiment of the present application provides a method for determining an anchor point, including:
  • the first electronic device in the sidelink sends a first message to the second electronic device in the sidelink based on the anchor point related information of the first electronic device, where the first message is used to indicate
  • the second electronic device determines a positioning anchor.
  • An embodiment of the present application provides a method for determining an anchor point, including:
  • the second electronic device in the sidelink receives a first message from the first electronic device in the sidelink; wherein the first message is sent based on the anchor point related information of the first electronic device;
  • the second electronic device determines a positioning anchor based on the first message.
  • the embodiment of the present application also provides a first electronic device in the sidelink, including:
  • the first communication module is configured to send a first message to the second electronic device in the sidelink based on the anchor point related information of the first electronic device, wherein the first message is used to instruct the second electronic device to determine the positioning anchor point .
  • the embodiment of the present application also provides a second electronic device in the sidelink, including:
  • the second communication module is configured to receive a first message from the first electronic device in the sidelink; wherein the first message is sent based on the anchor point related information of the first electronic device;
  • the second processing module is configured to determine a positioning anchor point based on the first message.
  • the embodiment of the present application also provides a first electronic device, including: a processor and a memory, the memory is used to store computer programs, the processor invokes and runs the computer programs stored in the memory, and executes the anchor point provided by any embodiment of the present application Determine the method.
  • the embodiment of the present application also provides a second electronic device, including: a processor and a memory, the memory is used to store computer programs, the processor invokes and runs the computer programs stored in the memory, and executes the anchor point provided by any embodiment of the present application Determine the method.
  • An embodiment of the present application also provides a chip, including: a processor, configured to call and run a computer program from a memory, so that a device equipped with the chip executes the method for determining an anchor point provided in any embodiment of the present application.
  • An embodiment of the present application further provides a computer-readable storage medium for storing a computer program, wherein the computer program causes a computer to execute the method for determining an anchor point provided in any embodiment of the present application.
  • An embodiment of the present application further provides a computer program product, including computer program instructions, wherein the computer program instructions cause a computer to execute the method for determining an anchor point provided in any embodiment of the present application.
  • An embodiment of the present application further provides a computer program, which enables a computer to execute the method for determining an anchor point provided in any embodiment of the present application.
  • An embodiment of the present application also provides a communication system, including a first electronic device and a second electronic device for performing the method for determining an anchor point provided in any embodiment of the present application.
  • the first electronic device sends a message to the second electronic device based on its own anchor point related information, so as to instruct the second electronic device to determine the positioning anchor point.
  • each electronic device exchanges anchor point related information through the sidelink link, which is beneficial for each electronic device to use other electronic devices on the sidelink link to obtain the positioning anchor point, improve the flexibility of the positioning implementation method, and further improve positioning precision.
  • FIG. 1 is a schematic diagram of a communication system architecture according to an embodiment of the present application.
  • FIG. 2A is a schematic diagram of a sidelink transmission mode according to an embodiment of the present application.
  • FIG. 2B is a schematic diagram of another sidelink transmission mode according to an embodiment of the present application.
  • Fig. 3 is a schematic diagram of an integrity event in an embodiment of the present application.
  • Fig. 4 is a schematic flowchart of an anchor point determination method provided by an embodiment of the present application.
  • Fig. 5 is a schematic flowchart of an anchor point determination method provided by another embodiment of the present application.
  • Fig. 6 is a schematic flowchart of an anchor point determination method provided by another embodiment of the present application.
  • Fig. 7 is a schematic flowchart of a method for determining an anchor point provided by another embodiment of the present application.
  • Fig. 8 is a schematic structural block diagram of a first electronic device provided by an embodiment of the present application.
  • Fig. 9 is a schematic structural block diagram of a first electronic device provided by another embodiment of the present application.
  • Fig. 10 is a schematic structural block diagram of a second electronic device provided by an embodiment of the present application.
  • Fig. 11 is a schematic block diagram of a communication device according to an embodiment of the present application.
  • Fig. 12 is a schematic block diagram of a chip according to an embodiment of the present application.
  • Fig. 13 is a schematic block diagram of a communication system according to an embodiment of the present application.
  • the technical solution of the embodiment of the present application can be applied to various communication systems, such as: Global System of Mobile communication (Global System of Mobile communication, GSM) system, code division multiple access (Code Division Multiple Access, CDMA) system, broadband code division multiple access (Wideband Code Division Multiple Access, WCDMA) system, General Packet Radio Service (GPRS), Long Term Evolution (LTE) system, Advanced long term evolution (LTE-A) system , New Radio (NR) system, evolution system of NR system, LTE (LTE-based access to unlicensed spectrum, LTE-U) system on unlicensed spectrum, NR (NR-based access to unlicensed spectrum) on unlicensed spectrum unlicensed spectrum (NR-U) system, Non-Terrestrial Networks (NTN) system, Universal Mobile Telecommunications System (UMTS), Wireless Local Area Networks (WLAN), Wireless Fidelity (Wireless Fidelity, WiFi), fifth-generation communication (5th-Generation, 5G) system or other communication systems, etc.
  • GSM Global System of Mobile
  • D2D Device to Device
  • M2M Machine to Machine
  • MTC Machine Type Communication
  • V2V Vehicle to Vehicle
  • V2X Vehicle to everything
  • the communication system in the embodiment of the present application may be applied to a carrier aggregation (Carrier Aggregation, CA) scenario, may also be applied to a dual connectivity (Dual Connectivity, DC) scenario, and may also be applied to an independent (Standalone, SA) deployment Web scene.
  • Carrier Aggregation, CA Carrier Aggregation
  • DC Dual Connectivity
  • SA independent deployment Web scene
  • the electronic device may include a terminal device.
  • Terminal equipment may also be called user equipment (User Equipment, UE), access terminal, subscriber unit, subscriber station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or user device, etc.
  • UE User Equipment
  • the terminal device can be a station (STAION, ST) in the WLAN, a cellular phone, a cordless phone, a Session Initiation Protocol (Session Initiation Protocol, SIP) phone, a wireless local loop (Wireless Local Loop, WLL) station, a personal digital processing (Personal Digital Assistant, PDA) devices, handheld devices with wireless communication functions, computing devices or other processing devices connected to wireless modems, vehicle-mounted devices, wearable devices, next-generation communication systems such as terminal devices in NR networks, or future Terminal equipment in the evolved public land mobile network (Public Land Mobile Network, PLMN) network, etc.
  • STAION, ST Session Initiation Protocol
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • the terminal device can be deployed on land, including indoor or outdoor, handheld, wearable or vehicle-mounted; it can also be deployed on water (such as ships, etc.); it can also be deployed in the air (such as aircraft, balloons and satellites) superior).
  • the terminal device may be a mobile phone (Mobile Phone), a tablet computer (Pad), a computer with a wireless transceiver function, a virtual reality (Virtual Reality, VR) terminal device, an augmented reality (Augmented Reality, AR) terminal Equipment, wireless terminal equipment in industrial control, wireless terminal equipment in self driving, wireless terminal equipment in remote medical, wireless terminal equipment in smart grid , wireless terminal equipment in transportation safety, wireless terminal equipment in smart city, or wireless terminal equipment in smart home.
  • a virtual reality (Virtual Reality, VR) terminal device an augmented reality (Augmented Reality, AR) terminal Equipment
  • wireless terminal equipment in industrial control wireless terminal equipment in self driving
  • wireless terminal equipment in remote medical wireless terminal equipment in smart grid
  • wireless terminal equipment in transportation safety wireless terminal equipment in smart city, or wireless terminal equipment in smart home.
  • the terminal device may also be a wearable device.
  • Wearable devices can also be called wearable smart devices, which is a general term for the application of wearable technology to intelligently design daily wear and develop wearable devices, such as glasses, gloves, watches, clothing and shoes.
  • a wearable device is a portable device that is worn directly on the body or integrated into the user's clothing or accessories. Wearable devices are not only a hardware device, but also achieve powerful functions through software support, data interaction, and cloud interaction.
  • Generalized wearable smart devices include full-featured, large-sized, complete or partial functions without relying on smart phones, such as smart watches or smart glasses, etc., and only focus on a certain type of application functions, and need to cooperate with other devices such as smart phones Use, such as various smart bracelets and smart jewelry for physical sign monitoring.
  • the communication system may also include network equipment.
  • the electronic device in this embodiment of the present application may also include a network device.
  • the network device can be a device used to communicate with the terminal device.
  • the network device can be an access point (Access Point, AP) in WLAN, a base station (Base Transceiver Station, BTS) in GSM or CDMA, or a base station (BTS) in WCDMA.
  • a base station (NodeB, NB) can also be an evolved base station (Evolutional Node B, eNB or eNodeB) in LTE, or a relay station or access point, or a vehicle device, a wearable device, and a network device (gNB) in an NR network Or a network device in a future evolved PLMN network, etc.
  • Evolutional Node B, eNB or eNodeB evolved base station
  • gNB network device
  • the network device may have a mobile feature, for example, the network device may be a mobile device.
  • the network equipment may be a satellite or a balloon station.
  • the satellite can be a Low Earth Orbit (Low Earth Orbit, LEO) satellite, a Medium Earth Orbit (Medium Earth Orbit, MEO) satellite, a Geosynchronous Earth Orbit (Geostationary Earth Orbit, GEO) satellite, a High Elliptical Orbit (High Elliptical Orbit, HEO) satellite.
  • the network device may also be a base station installed on land, water, and other locations.
  • the network device may provide services for a cell, and the terminal device communicates with the network device through the transmission resources (for example, frequency domain resources, or spectrum resources) used by the cell, and the cell may be a network device ( For example, a cell corresponding to a base station), the cell may belong to a macro base station, or may belong to a base station corresponding to a small cell (Small cell), and the small cell here may include: a metro cell (Metro cell), a micro cell (Micro cell), a pico cell ( Pico cell), Femto cell, etc. These small cells have the characteristics of small coverage and low transmission power, and are suitable for providing high-speed data transmission services.
  • the transmission resources for example, frequency domain resources, or spectrum resources
  • the cell may be a network device (
  • the cell may belong to a macro base station, or may belong to a base station corresponding to a small cell (Small cell)
  • the small cell here may include: a metro cell (Metro cell), a micro cell (Micro
  • Fig. 1 schematically shows a wireless communication system 1000 including one network device 1100 and two terminal devices 1200, optionally, the wireless communication system 1000 may include multiple network devices 1100, and the coverage of each network device 1100 Other numbers of terminal devices may be included in the scope, which is not limited in this embodiment of the present application.
  • the wireless communication system 1000 shown in FIG. 1 may also include other network entities such as a mobility management entity (Mobility Management Entity, MME), an access and mobility management function (Access and Mobility Management Function, AMF), etc.
  • MME Mobility Management Entity
  • AMF Access and Mobility Management Function
  • a device with a communication function in the network/system in the embodiment of the present application may be referred to as a communication device.
  • the communication equipment may include network equipment and terminal equipment with communication functions. It may include other devices in the communication system, such as network controllers, mobility management entities and other network entities, which are not limited in this embodiment of the present application.
  • the "indication" mentioned in the embodiments of the present application may be a direct indication, may also be an indirect indication, and may also mean that there is an association relationship.
  • a indicates B which can mean that A directly indicates B, for example, B can be obtained through A; it can also indicate that A indirectly indicates B, for example, A indicates C, and B can be obtained through C; it can also indicate that there is an association between A and B relation.
  • the term "corresponding" may indicate that there is a direct or indirect correspondence between the two, or that there is an association between the two, or that it indicates and is indicated, configuration and is configuration etc.
  • the V2X communication of the Internet of Vehicles is a sidelink transmission technology based on D2D. Different from the communication data received or sent by the base station in the traditional cellular system, the Internet of Vehicles system adopts the method of terminal-to-terminal direct communication, so it has higher spectral efficiency and lower transmission delay. D2D/V2X can adopt two transmission modes: mode A and mode B.
  • the transmission resources of the terminal 210 are allocated by the base station 220, and the terminal 210 transmits data on the sidelink according to the resources allocated by the base station 220; the base station 220 can be a terminal 210 allocates resources for single transmission, or allocates resources for semi-static transmission to the terminal.
  • Mode B the terminal (such as a vehicle terminal) selects a resource from the resource pool for data transmission. As shown in FIG. 2B , in some scenarios, the base station 220 may not allocate resources for the terminal 210 .
  • D2D technology includes the following development stages:
  • Proximity based Service In this phase, device-to-device communication is studied for ProSe scenarios, which are mainly for public security services.
  • the resource pool is discontinuous in the time domain, so that the UE can discontinuously send/receive data on the sidelink, thereby achieving the effect of power saving.
  • V2X Vehicle-to-Vehicle
  • V2X since the vehicle system has continuous power supply, the main problem is not the power efficiency, but the delay of data transmission. Therefore, the system design requires the terminal equipment to continuously send and receive.
  • an optional implementation method is: the base station can configure the Discontinuous Reception (DRX) parameters of the mobile terminal through a relay terminal, but the DRX configuration method has not been standardized.
  • DRX Discontinuous Reception
  • NR V2X is not limited to broadcast scenarios, but has been further expanded to unicast and multicast scenarios, and the application of V2X is studied in these scenarios.
  • NR V2X supports two resource authorization modes similar to Mode A and Mode B in LTE V2X: Mode 1 and Mode 2 (mode-1/2). Furthermore, the user may be in a mixed mode, that is, the user can use mode 1 to acquire resources and mode 2 to acquire resources at the same time.
  • the resource acquisition is indicated through the sidelink authorization, that is, the sidelink authorization indicates the connection between the corresponding Physical Sidelink Control Channel (Physical Sidelink Control Channel, PSCCH) and the physical uplink shared channel (Physical Sidelink Shared Channel, PSSCH) resource time frequency position.
  • PSCCH Physical Sidelink Control Channel
  • PSSCH Physical Uplink shared channel
  • NR V2X in addition to the hybrid automatic repeat request (HARQ) retransmission initiated by the UE without feedback, NR V2X also introduces feedback-based HARQ retransmission, which is not limited to unicast communication, but also includes Multicast communication.
  • HARQ hybrid automatic repeat request
  • GNSS Global Navigation Satellite System
  • radio technology e.g. LTE networks, by providing multiple options for locating users, including wireless networks, terrestrial beacon systems, etc.
  • Inertial Measurement Units Inertial Measurement Units, IMU or sensors (such as tracking user position based on accelerometers, vertical positioning based on gyroscopes, magnetometers, or using barometric pressure sensors).
  • IMU Inertial Measurement Units
  • sensors such as tracking user position based on accelerometers, vertical positioning based on gyroscopes, magnetometers, or using barometric pressure sensors.
  • the enhanced positioning capability of NR can bring additional gains to positioning accuracy.
  • the operation of low and high frequency bands (i.e., FR1 and FR2) and the use of a large number of antenna arrays provide additional degrees of freedom, greatly improving positioning accuracy.
  • Positioning technology using large bandwidth (low frequency band and high frequency band) for time measurement brings better performance for user positioning.
  • MIMO massive Multiple Input Multiple Output
  • location integrity can be used to quantify the degree of trust in the provided location. Therefore, positioning integrity checks are a way to limit positioning error, and this can be done with a higher degree of confidence.
  • KPI Key Performance Indicator
  • TIR Target Integrity Risk
  • TIR is usually defined as the probability per unit of time (eg, hour, second, or each independent sample).
  • AL Alarm Limit
  • Time-to-alarm the maximum allowable elapsed time from when the positioning error exceeds the alarm limit (AL) to when the function providing positioning integrity issues a corresponding alarm.
  • Integrity availability is the percentage of time that the Protection Level (PL) is lower than the required AL.
  • Protection level which is the statistical upper limit of positioning error (PE), which ensures that the probability that the real error is greater than AL and PL is less than or equal to AL longer than TTA per unit time is less than the required TIR.
  • Fig. 3 shows a schematic diagram of an integrity event. As shown in Figure 3, the inspection results of positioning integrity include:
  • the system is available (PL ⁇ AL), including:
  • SL positioning technology can improve the flexibility of positioning implementation.
  • SL users can be used as positioning anchor points. How to determine the positioning anchor point of SL users is a problem that needs to be studied.
  • Fig. 4 is a schematic flowchart of a method 400 according to an embodiment of the present application. The method can optionally be applied to the system shown in Fig. 1, but is not limited thereto. The method includes:
  • the first electronic device in the sidelink sends a first message to the second electronic device in the sidelink based on the anchor point related information of the first electronic device, where the first message is used to indicate that the second electronic device The device determines the positioning anchor.
  • the first electronic device sends a message to the second electronic device based on its own anchor point related information, so as to instruct the second electronic device to determine the positioning anchor point.
  • each electronic device exchanges anchor point related information through the sidelink link, which is beneficial for each electronic device to use other electronic devices on the sidelink link to obtain the positioning anchor point, improve the flexibility of the positioning implementation method, and further improve positioning precision.
  • the implementation of this application also provides an anchor point determination method as shown in FIG. 5 .
  • the method includes:
  • the second electronic device in the sidelink receives a first message from the first electronic device in the sidelink; wherein, the first message is sent based on the anchor point related information of the first electronic device;
  • S520 The second electronic device determines a positioning anchor point based on the first message.
  • the anchor point related information includes judgment information on whether the first electronic device is a valid anchor point. For example, after the first electronic device judges whether it is a valid anchor point, it obtains anchor point related information, and the anchor point related information is used to indicate whether the first electronic device is a valid anchor point or not.
  • the first electronic device may determine whether it is a valid anchor point based on information such as whether it has location-related capabilities, whether it is within the network coverage range, or whether it is authorized by the network, so as to obtain the above-mentioned anchor point related information.
  • the first message may also be used to indicate whether the first electronic device is a valid anchor.
  • the electronic device may determine whether to use the first electronic device as a positioning anchor based on the first message.
  • the anchor point related information obtained by the first electronic device indicates that the first electronic device is a valid anchor point.
  • the first condition includes at least one of the following conditions:
  • the first electronic device has GNSS capability and GNSS is available;
  • the first electronic device is within the coverage of the network device
  • the first electronic device is authorized by the network device as a valid anchor point
  • the first electronic device has the ability to check the location integrity
  • Condition 5 The inspection information of the location integrity check of the first electronic device meets the second condition
  • Condition 6 The positioning accuracy level of the first electronic device meets the positioning accuracy level required by the second electronic device.
  • conforming to a condition may also be referred to as satisfying a criterion.
  • meeting the first condition above may also be referred to as meeting the first criterion.
  • the above conditions can be used in combination.
  • the first condition includes condition 1, condition 4, and condition 5, then the first electronic device needs to have GNSS capability and GNSS is available, and also have the capability of checking the integrity of positioning, and the check information meets the relevant conditions before it can be determined that the first electronic device is valid anchor.
  • the first condition includes condition 2, condition 3 and condition 6, the first electronic device needs to be within the coverage of the network device and be authorized as a valid anchor point, and its positioning accuracy level reaches the positioning accuracy required by the second electronic device degree level, the first electronic device can be determined as a valid anchor point.
  • the check information of the location integrity check may include a check result of the location integrity check.
  • the second condition may include at least one of the following conditions:
  • Condition A the inspection information of the positioning integrity inspection is available to the system
  • Condition B the inspection information of the positioning integrity inspection is nominal operation or misleading information
  • Condition C the check information of the location integrity check reaches the location integrity level required by the second electronic device.
  • the above conditions can be used in combination.
  • the inspection result is that the system is available, and the system is available as shown in Figure 3.
  • the nominal operation or misleading information can determine that the inspection result of positioning integrity meets the second condition.
  • the second condition includes condition A and condition C, then the check result must be available to the system and reach the location integrity level required by the second electronic device before it can be determined that the location integrity check result meets the second condition.
  • the location integrity check is performed by the first electronic device or by a location management function.
  • the first electronic device has a location integrity check capability, and it performs the location integrity check autonomously.
  • the location integrity check is performed by the location management function of the core network, and the location management function sends the check information to the first electronic device through the network device.
  • the index parameter (KPI) of the location integrity check is configured by the network device, the first electronic device or the third electronic device.
  • the indicator parameter may include at least one of target integrity risk TIR, alarm limit AL, alarm time TTA, integrity availability, and protection level PL.
  • the anchor point determination method may also include:
  • the first electronic device receives index parameters from the network device or the third electronic device;
  • the first electronic device sends the index parameter to the location management function.
  • the location integrity check is performed by the first electronic device, and the index parameters can be determined by the first electronic device, or can come from the network device (for example, the location management function is sent to the first electronic device through the network device), other electronic devices (denoted as the first electronic device) three electronic devices, the third electronic device may also include the second electronic device).
  • the location integrity check is performed by the location management function, and the index parameter may also be determined by the first electronic device or other electronic devices. If determined by the first electronic device, the first electronic device sends the index parameter to the location management function.
  • sending the first message based on the anchor point related information may include triggering the sending of the first message based on the anchor point related information, or determining the content of the first message according to the anchor point related information to send the first message.
  • the first electronic device actively sends the first message, and spontaneously informs other electronic devices of the validity of its anchor point.
  • the first electronic device sends a first message to the second electronic device in the sidelink based on the anchor point related information of the first electronic device, including:
  • the first electronic device sends a first message to the second electronic device.
  • the first message sent by the first electronic device to the second electronic device is used to indicate that the first electronic device is a valid anchor point, that is, to inform other electronic devices that it can be used as a valid anchor point for SL positioning .
  • the first electronic device sends the first message to the second electronic device, which may include:
  • the first electronic device When the anchor point related information indicates that the first electronic device is a valid anchor point, the first electronic device periodically sends a first message to the second electronic device and/or sends a message to the second electronic device based on the first indication information sent by the network device. The device sends a first message.
  • the sending of the first message may be performed periodically or based on an instruction from the network.
  • the first electronic device can periodically send the first message to make other The electronic device determines that the first electronic device is a valid anchor point. Or, the first electronic device periodically confirms whether itself is a valid anchor point, and sends a first message to other electronic devices after confirmation, so that other electronic devices determine that the first electronic device is a valid anchor point.
  • the network device when receiving the first indication information sent by the network device, that is, when the network instructs the first electronic device to inform other electronic devices of the validity of its own anchor point, if the first electronic device confirms that it is a valid anchor point, it will notify other electronic devices An electronic device sends a first message.
  • the first message may include at least one of the following information:
  • Effective anchor point indication information wherein, the effective anchor point indication information is used to indicate that the first electronic device is a valid anchor point
  • GNSS indication information Global Navigation Satellite System GNSS indication information, wherein the GNSS indication information is used to indicate that the GNSS of the first electronic device is available;
  • Network location indication information wherein the network location indication information is used to indicate that the first electronic device is within the coverage of the network device
  • the positioning accuracy level of the first electronic device is the positioning accuracy level of the first electronic device.
  • the first message may include valid anchor point indication information, directly indicating itself as a valid anchor point. Further, at least one of the inspection information of the positioning integrity check of the first electronic device, the positioning service category, and the positioning accuracy level may also be included.
  • the first message may include GNSS indication information or network location indication information, and indicate itself as a valid anchor point by indicating that its own GNSS is available or within the network coverage. Further, at least one of the inspection information of the positioning integrity check of the first electronic device, the positioning service category, and the positioning accuracy level may also be included.
  • the first message may be carried in the first side link security (PC5-Security, PC5-S) signaling, the first PC5-RRC signaling, the first MAC CE, the first physical layer signaling, or the first Three positioning reference signal (Positioning Reference Signal, PRS).
  • PC5-Security PC5-S
  • PC5-RRC PC5-RRC
  • PRS Three positioning reference signal
  • the first message may be transmitted based on unicast, broadcast or multicast.
  • the first electronic device sends a first message to the second electronic device based on the query of the second electronic device.
  • the method for determining the anchor point further includes:
  • the second electronic device sends a second message to the first electronic device; wherein, the second message is used to inquire whether the first electronic device is a valid anchor point.
  • the first electronic device in the sidelink sends the first message to the second electronic device in the sidelink based on the anchor point related information of the first electronic device, which may include:
  • the first electronic device determines the first message based on the anchor point related information of the first electronic device; wherein, the second message is used to ask whether the first electronic device is A valid anchor point (that is, asking whether the first electronic device can be used as a valid anchor point for SL positioning);
  • the first electronic device sends the first message to the second electronic device.
  • the first electronic device judges whether it is a valid anchor point based on the second message, and obtains information about the anchor point.
  • the first electronic device determines the first message based on the anchor point related information of the first electronic device, including:
  • the first electronic device determines that the first message includes positive information and/or the first PRS;
  • the first electronic device determines that the first message includes negative information.
  • the first message in the case that the first message includes positive information and/or the first positioning reference signal PRS, the first message is used to indicate that the first electronic device is a valid anchor point. And/or, in the case that the first message includes negative information, the first message is used to indicate that the first electronic device is not a valid anchor.
  • the first electronic device judges that it is a valid anchor point, it can send an affirmative message to the second electronic device, or directly send the PRS required by the second electronic device for positioning to the second electronic device to inform it that it is a valid anchor point. point. If the first electronic device determines that it is not a valid anchor point, it sends negative information to the second electronic device.
  • the second message sent by the second electronic device to the first electronic device may include at least one of the following information:
  • the second electronic device may only send valid anchor query information to trigger the first electronic device to determine whether it is a valid anchor based on information such as its location-related capabilities, whether it is within network coverage, or whether it is authorized by the network.
  • the second electronic device may send the index parameters of the positioning integrity check and the required positioning accuracy level, so as to trigger the first electronic device to determine the inspection result of the positioning integrity check based on the index parameters of the positioning integrity check, and based on Whether the checking result reaches the positioning accuracy level required by the second electronic device determines whether the first electronic device is an effective anchor point.
  • the second electronic device may send valid anchor query information and PRS configuration information to trigger the first electronic device to determine whether it is a valid anchor based on its own positioning-related capabilities, whether it is within the network coverage, whether it is authorized by the network, etc. point, and when the first electronic device is a valid anchor point, return a PRS signal obtained based on the PRS configuration information.
  • the first electronic device when it receives the second message, it may also report the second message to the network, that is, the method for determining the anchor point further includes: the first electronic device sends the second message corresponding to the network device First report information.
  • the first report information may include index parameters of the positioning integrity check in the second message, the positioning accuracy level required by the second electronic device, the positioning integrity level required by the second electronic device, and the like.
  • the first electronic device receives an indication from the network whether it is a valid anchor point and sends the first message to the second device.
  • the network device judges whether the first electronic device can serve as a valid anchor, and issues third indication information for indicating whether the first electronic device is a valid anchor.
  • the first electronic device receives the third indication information, and sends the first message to the second electronic device under the condition that it is determined to be a valid anchor point based on the third indication information.
  • the network device may judge whether the first electronic device can serve as an effective anchor point of the second electronic device according to the information in the first report information, such as the positioning accuracy level and the positioning integrity level required by the second electronic device.
  • the second message is carried in second PC5-S signaling, second PC5-RRC signaling, second MAC CE, second physical layer signaling, or second PRS.
  • the second message may be transmitted based on unicast, broadcast or multicast.
  • the second electronic device sends a second message to the first electronic device, including:
  • the second electronic device sends the second message to the first electronic device periodically and/or based on the positioning requirement of the second electronic device and/or based on the second indication information of the network device.
  • the second electronic device may send an inquiry message to the first electronic device spontaneously, or may send a second message to the first electronic device based on a network instruction.
  • the second electronic device may also report the first message to the network device. That is, the method for determining the anchor point further includes: the second electronic device sends the second report information corresponding to the first message to the network device.
  • the first report information includes valid anchor point indication information or affirmative information, negative information, etc. in the first message.
  • the first electronic device sends a message to the second electronic device based on its own anchor point related information, so as to instruct the second electronic device to determine the positioning anchor point.
  • each electronic device exchanges anchor point related information through the sidelink link, which is beneficial for each electronic device to use other electronic devices on the sidelink link to obtain the positioning anchor point, improve the flexibility of the positioning implementation method, and further improve positioning precision.
  • this embodiment of the present application also provides a first electronic device 100 in the sidelink, referring to FIG. 8 , which includes:
  • the first communication module 110 is configured to send a first message to the second electronic device in the sidelink based on the anchor point related information of the first electronic device 100, wherein the first message is used to instruct the second electronic device to determine the positioning anchor.
  • the anchor point related information includes judgment information on whether the first electronic device 100 is a valid anchor point.
  • the first communication module 110 is specifically used for:
  • the anchor point related information indicates that the first electronic device 100 is a valid anchor point
  • the first message is sent to the second electronic device.
  • the first communication module 110 is specifically used for:
  • the anchor point related information indicates that the first electronic device 100 is a valid anchor point
  • the first message includes at least one of the following information:
  • GNSS indication information Global Navigation Satellite System GNSS indication information, wherein the GNSS indication information is used to indicate that the GNSS of the first electronic device 100 is available;
  • Network location indication information wherein the network location indication information is used to indicate that the first electronic device 100 is within the coverage of the network device
  • the positioning accuracy level of the first electronic device 100 is the positioning accuracy level of the first electronic device 100 .
  • the first electronic device 100 further includes:
  • the first processing module 120 is configured to determine the first message based on the anchor point related information of the first electronic device 100 when receiving the second message from the second electronic device; wherein, the second message is used to query the second message Whether an electronic device 100 is a valid anchor point.
  • the first processing module 120 is specifically configured to:
  • the first electronic device 100 determines that the first message includes positive information and/or the first positioning reference signal PRS;
  • the first electronic device 100 determines that the first message includes negative information.
  • the second message includes at least one of the following information:
  • the second message is carried in the second side link security PC5-S signaling, the second side link radio resource control PC5-RRC signaling, the second medium access control layer control unit MAC CE, the second Second physical layer signaling or second PRS.
  • the second message is transmitted based on unicast, broadcast or multicast.
  • the first communication module 110 is also used for:
  • the first electronic device 100 sends the first report information corresponding to the second message to the network device.
  • the first message is carried in the first PC5-S signaling, the first PC5-RRC signaling, the first MAC CE, the first physical layer signaling, or the third PRS.
  • the first message is transmitted based on unicast, broadcast or multicast.
  • the anchor point related information indicates that the first electronic device 100 is a valid anchor point
  • the first condition includes at least one of the following conditions:
  • the first electronic device 100 has GNSS capability and GNSS is available;
  • the first electronic device 100 is within the coverage of the network device
  • the first electronic device 100 is authorized by the network device as a valid anchor point
  • the first electronic device 100 has a location integrity check capability
  • the check information of the location integrity check of the first electronic device 100 meets the second condition
  • the positioning accuracy level of the first electronic device 100 reaches the positioning accuracy level required by the second electronic device.
  • the second condition includes at least one of the following conditions:
  • the check information for the location integrity check is available to the system
  • the inspection information of the positioning integrity check is nominal operation or misleading information
  • the check information of the location integrity check reaches the location integrity level required by the second electronic device.
  • the location integrity check is performed by the first electronic device 100 or by a location management function.
  • the index parameter of the location integrity check is configured by the network device, the first electronic device 100 or the third electronic device.
  • the first communication module 110 is also used for:
  • the first electronic device 100 receives index parameters from the network device or the third electronic device;
  • the first electronic device sends the index parameter to the location management function.
  • the first electronic device 100 in the embodiment of the present application can realize the corresponding functions of the first electronic device in the foregoing method embodiments, and the processes corresponding to each module (submodule, unit or component, etc.) in the first electronic device 100,
  • each module submodule, unit or component, etc.
  • the functions described by the modules (submodules, units or components, etc.) in the first electronic device 100 in the embodiment of the present application may be realized by different modules (submodules, units or components, etc.), or may be Realized by the same module (submodule, unit or component, etc.), for example, the first sending module and the second sending module can be different modules or the same module, both of which can be implemented in the embodiment of this application corresponding function in .
  • the communication module in the embodiment of the present application may be implemented by a transceiver of the device, and part or all of the other modules may be implemented by a processor of the device.
  • Fig. 10 is a schematic block diagram of a second electronic device 200 in a sidelink according to an embodiment of the present application.
  • the second electronic device 200 may include:
  • the second communication module 210 is configured to receive a first message from the first electronic device in the sidelink; wherein, the first message is sent based on the anchor point related information of the first electronic device;
  • the second processing module 220 is configured to determine a positioning anchor point based on the first message.
  • the first message is used to indicate that the first electronic device is a valid anchor.
  • the first message includes at least one of the following information:
  • GNSS indication information wherein the GNSS indication information is used to indicate that the GNSS of the first electronic device is available
  • Network location indication information wherein the network location indication information is used to indicate that the first electronic device is within the coverage of the network device
  • the positioning accuracy level of the first electronic device is the positioning accuracy level of the first electronic device.
  • the second communication module 210 is also used for:
  • the second communication module 210 is specifically used for:
  • the first message is used to indicate that the first electronic device is a valid anchor point.
  • the first message when the first message includes negative information, the first message is used to indicate that the first electronic device is not a valid anchor.
  • the second message includes at least one of the following information:
  • the second communication module 210 is also used for:
  • the second electronic device 200 in the embodiment of the present application can implement the corresponding functions of the second electronic device in the foregoing method embodiments.
  • functions, implementations and beneficial effects corresponding to each module (submodule, unit or component, etc.) in the second electronic device 200 refer to the corresponding descriptions in the above method embodiments, and details are not repeated here.
  • the functions described by the modules (submodules, units or components, etc.) in the second electronic device 200 of the embodiment of the application can be realized by different modules (submodules, units or components, etc.), or can be implemented by Realized by the same module (submodule, unit or component, etc.), for example, the first sending module and the second sending module can be different modules, or the same module, which can be implemented in the embodiment of this application corresponding functions.
  • the communication module in the embodiment of the present application may be implemented by a transceiver of the device, and part or all of the other modules may be implemented by a processor of the device.
  • Fig. 11 is a schematic structural diagram of a communication device 600 according to an embodiment of the application, wherein the communication device 600 includes a processor 610, and the processor 610 can call and run a computer program from a memory to implement the method in the embodiment of the application.
  • the communication device 600 may further include a memory 620 .
  • the processor 610 can invoke and run a computer program from the memory 620, so as to implement the method in the embodiment of the present application.
  • the memory 620 may be an independent device independent of the processor 610 , or may be integrated in the processor 610 .
  • the communication device 600 may further include a transceiver 630, and the processor 610 may control the transceiver 630 to communicate with other devices, specifically, to send information or data to other devices, or to receive information or data sent by other devices .
  • the transceiver 630 may include a transmitter and a receiver.
  • the transceiver 630 may further include antennas, and the number of antennas may be one or more.
  • the communication device 600 may be the first electronic device in the embodiment of the present application, and the communication device 600 may implement the corresponding processes implemented by the first electronic device in each method of the embodiment of the application. For the sake of brevity, here No longer.
  • the communication device 600 may be the second electronic device in the embodiment of the present application, and the communication device 600 may implement the corresponding process implemented by the second electronic device in each method of the embodiment of the application.
  • the communication device 600 may implement the corresponding process implemented by the second electronic device in each method of the embodiment of the application.
  • the communication device 600 may implement the corresponding process implemented by the second electronic device in each method of the embodiment of the application.
  • Fig. 12 is a schematic structural diagram of a chip 700 according to an embodiment of the present application, wherein the chip 700 includes a processor 710, and the processor 710 can call and run a computer program from the memory to implement the method in the embodiment of the present application.
  • the chip 700 may further include a memory 720 .
  • the processor 710 can invoke and run a computer program from the memory 720, so as to implement the method in the embodiment of the present application.
  • the memory 720 may be an independent device independent of the processor 710 , or may be integrated in the processor 710 .
  • the chip 700 may also include an input interface 730 .
  • the processor 710 can control the input interface 730 to communicate with other devices or chips, specifically, can obtain information or data sent by other devices or chips.
  • the chip 700 may also include an output interface 740 .
  • the processor 710 can control the output interface 740 to communicate with other devices or chips, specifically, can output information or data to other devices or chips.
  • the chip can be applied to the first electronic device in the embodiments of the present application, and the chip can implement the corresponding processes implemented by the first electronic device in the methods of the embodiments of the present application.
  • the chip can implement the corresponding processes implemented by the first electronic device in the methods of the embodiments of the present application.
  • no further repeat for the sake of brevity, no further repeat.
  • the chip can be applied to the second electronic device in the embodiments of the present application, and the chip can implement the corresponding processes implemented by the second electronic device in the methods of the embodiments of the present application.
  • the chip can implement the corresponding processes implemented by the second electronic device in the methods of the embodiments of the present application.
  • no further repeat for the sake of brevity, no further repeat.
  • the chip mentioned in the embodiment of the present application may also be called a system-on-chip, a system-on-chip, a system-on-a-chip, or a system-on-a-chip.
  • the processor mentioned above can be a general-purpose processor, a digital signal processor (DSP), an off-the-shelf programmable gate array (FPGA), an application specific integrated circuit (ASIC) or Other programmable logic devices, transistor logic devices, discrete hardware components, etc.
  • DSP digital signal processor
  • FPGA off-the-shelf programmable gate array
  • ASIC application specific integrated circuit
  • the general-purpose processor mentioned above may be a microprocessor or any conventional processor or the like.
  • the aforementioned memories may be volatile memories or nonvolatile memories, or may include both volatile and nonvolatile memories.
  • the non-volatile memory can be read-only memory (read-only memory, ROM), programmable read-only memory (programmable ROM, PROM), erasable programmable read-only memory (erasable PROM, EPROM), electrically programmable Erases programmable read-only memory (electrically EPROM, EEPROM) or flash memory.
  • the volatile memory may be random access memory (RAM).
  • the memory in the embodiment of the present application may also be a static random access memory (static RAM, SRAM), a dynamic random access memory (dynamic RAM, DRAM), Synchronous dynamic random access memory (synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (double data rate SDRAM, DDR SDRAM), enhanced synchronous dynamic random access memory (enhanced SDRAM, ESDRAM), synchronous connection Dynamic random access memory (synch link DRAM, SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DR RAM), etc. That is, the memory in the embodiments of the present application is intended to include, but not be limited to, these and any other suitable types of memory.
  • Fig. 13 is a schematic block diagram of a communication system 800 according to an embodiment of the present application, and the communication system 800 includes a first electronic device 810 and a second electronic device 820 in a sidelink.
  • the first electronic device 810 sends a first message to the second electronic device 820 in the sidelink based on the anchor point related information of the first electronic device 810, wherein the first message is used to instruct the second electronic device 820 to determine the positioning anchor point.
  • the first electronic device 810 can be used to realize the corresponding functions realized by the first electronic device in the methods of various embodiments of the present application
  • the second electronic device 820 can be used to realize the methods of various embodiments of the present application The corresponding function realized by the second electronic device.
  • details are not repeated here.
  • all or part of them may be implemented by software, hardware, firmware or any combination thereof.
  • software When implemented using software, it may be implemented in whole or in part in the form of a computer program product.
  • the computer program product includes one or more computer instructions. When the computer program instructions are loaded and executed on the computer, the processes or functions according to the embodiments of the present application will be generated in whole or in part.
  • the computer can be a general purpose computer, a special purpose computer, a computer network, or other programmable device.
  • the computer instructions may be stored in or transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, the computer instructions may be transferred from a website, computer, server, or data center by wire (such as coaxial cable, optical fiber, digital subscriber line (Digital Subscriber Line, DSL)) or wireless (such as infrared, wireless, microwave, etc.) to another website site, computer, server or data center.
  • the computer-readable storage medium may be any available medium that can be accessed by a computer, or a data storage device such as a server or a data center integrated with one or more available media.
  • the available medium may be a magnetic medium (for example, a floppy disk, a hard disk, a magnetic tape), an optical medium (for example, a DVD), or a semiconductor medium (for example, a solid state disk (SSD)).
  • sequence numbers of the above-mentioned processes do not mean the order of execution, and the execution order of the processes should be determined by their functions and internal logic, and should not be used in the embodiments of the present application.
  • the implementation process constitutes any limitation.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
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Abstract

Procédé de détermination de point d'ancrage, premier dispositif électronique, second dispositif électronique, puce, support de stockage lisible par ordinateur, produit de programme informatique, programme informatique et système de communication. Le procédé comprend l'étape suivante : le premier dispositif électronique dans une liaison latérale envoie un premier message au second dispositif électronique dans la liaison latérale sur la base d'informations relatives à un point d'ancrage du premier dispositif électronique, le premier message étant utilisé pour ordonner au second dispositif électronique de déterminer un point d'ancrage de positionnement (S410). La précision de positionnement peut être améliorée.
PCT/CN2021/113317 2021-08-18 2021-08-18 Procédé de détermination de point d'ancrage, premier dispositif électronique et second dispositif électronique Ceased WO2023019482A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202180097845.5A CN117280712A (zh) 2021-08-18 2021-08-18 锚点确定方法、第一电子设备和第二电子设备
PCT/CN2021/113317 WO2023019482A1 (fr) 2021-08-18 2021-08-18 Procédé de détermination de point d'ancrage, premier dispositif électronique et second dispositif électronique

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PCT/CN2021/113317 WO2023019482A1 (fr) 2021-08-18 2021-08-18 Procédé de détermination de point d'ancrage, premier dispositif électronique et second dispositif électronique

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CN110383862A (zh) * 2016-10-10 2019-10-25 华为技术有限公司 用于实现定位相关信令交换的通信节点和方法
CN111629438A (zh) * 2019-02-27 2020-09-04 华为技术有限公司 一种资源分配方法及装置
CN112425250A (zh) * 2019-01-21 2021-02-26 Oppo广东移动通信有限公司 会话建立方法、终端设备和网络设备
CN112788519A (zh) * 2019-11-11 2021-05-11 大唐移动通信设备有限公司 一种进行定位的方法、终端及网络侧设备

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CN110383862A (zh) * 2016-10-10 2019-10-25 华为技术有限公司 用于实现定位相关信令交换的通信节点和方法
CN112425250A (zh) * 2019-01-21 2021-02-26 Oppo广东移动通信有限公司 会话建立方法、终端设备和网络设备
CN111629438A (zh) * 2019-02-27 2020-09-04 华为技术有限公司 一种资源分配方法及装置
CN112788519A (zh) * 2019-11-11 2021-05-11 大唐移动通信设备有限公司 一种进行定位的方法、终端及网络侧设备

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