WO2022105756A1 - Procédé et appareil de positionnement, dispositif terminal, station de base et serveur de gestion de position - Google Patents

Procédé et appareil de positionnement, dispositif terminal, station de base et serveur de gestion de position Download PDF

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Publication number
WO2022105756A1
WO2022105756A1 PCT/CN2021/130969 CN2021130969W WO2022105756A1 WO 2022105756 A1 WO2022105756 A1 WO 2022105756A1 CN 2021130969 W CN2021130969 W CN 2021130969W WO 2022105756 A1 WO2022105756 A1 WO 2022105756A1
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information
path
power
energy
value
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PCT/CN2021/130969
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English (en)
Chinese (zh)
Inventor
庄子荀
王园园
司晔
邬华明
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维沃移动通信有限公司
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Publication of WO2022105756A1 publication Critical patent/WO2022105756A1/fr

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    • 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 application belongs to the field of communication technologies, and specifically relates to a positioning method, an apparatus, a terminal device, a base station and a location management server.
  • Embodiments of the present application provide a positioning method, apparatus, terminal device, base station, and location management server, which can solve the problem of low positioning accuracy in the prior art.
  • a positioning method executed by a terminal device, including:
  • first information includes at least two items of the following information, where the following information includes: first frequency domain measurement information, first time domain measurement information, and first space domain measurement information;
  • the first information and the second information are used to determine location information.
  • a positioning device comprising:
  • a first sending module configured to send first information to a network side device, where the first information includes at least two items of the following information, where the following information includes: first frequency domain measurement information, first time domain measurement information, and first airspace measurement information;
  • a first receiving module configured to receive second information sent by the network-side device, where the second information includes first threshold information
  • the first information and the second information are used to determine location information.
  • a positioning method executed by a base station, the method includes:
  • the eighth information includes at least two items of the following information, where the following information includes: second frequency domain measurement information, second time domain measurement information, and second space domain measurement information;
  • the ninth information includes third threshold information
  • the eighth information and the ninth information are used to determine location information.
  • a positioning device comprising:
  • a third sending module configured to send eighth information to the location management server LMF.
  • the eighth information includes at least two items of the following information, where the following information includes: second frequency domain measurement information, second time domain measurement information and second airspace measurement information;
  • a third receiving module configured to receive ninth information, where the ninth information includes third threshold information
  • the eighth information and the ninth information are used to determine location information.
  • a positioning method executed by a location management server LMF, the method includes at least one of the following steps, and the following steps include:
  • first information reported by a terminal device where the first information includes at least two items of the following information, where the following information includes: first frequency domain measurement information, first time domain measurement information, and first space domain measurement information;
  • the second information includes first threshold information
  • the eighth information includes at least two items of the following information, where the following information includes: second frequency domain measurement information, second time domain measurement information, and second space domain measurement information;
  • the ninth information includes third threshold information
  • the first information, the second information, the eighth information and the ninth information are used to determine the location information.
  • a positioning device comprising at least one of the following modules:
  • a fifth receiving module configured to receive first information reported by a terminal device, where the first information is determined by the terminal device, and the first information includes at least two items of the following information, where the following information includes: first frequency domain measurement information, first time domain measurement information, and first space domain measurement information;
  • a fifth sending module configured to send second information to the terminal device, where the second information includes first threshold information
  • a sixth receiving module configured to receive eighth information reported by the base station, where the eighth information is determined by the base station, the eighth information includes at least two items of the following information, and the following information includes: a second frequency domain measurement information, second time domain measurement information, and second space domain measurement information;
  • a sixth sending module configured to send ninth information to the base station, where the ninth information includes third threshold information
  • the first information, the second information, the eighth information and the ninth information are used to determine the location information.
  • a terminal device including a processor, a memory, and a program or instruction stored on the memory and executable on the processor, when the program or instruction is executed by the processor, Implement the steps of the positioning method as described in the first aspect above.
  • a base station including a processor, a memory, and a program or instruction stored in the memory and executable on the processor, and when the program or instruction is executed by the processor, the The steps of the positioning method described in the third aspect above.
  • a location management server LMF comprising a processor, a memory, and a program or instruction stored on the memory and executable on the processor, the program or instruction being executed by the processor At the time, the steps of the positioning method according to the fifth aspect above are implemented.
  • a tenth aspect provides a readable storage medium, where a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, the above-mentioned first aspect or the third aspect or the fifth aspect is realized The steps of the method for sending user information.
  • a chip in an eleventh aspect, includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is used to run a program or instruction of a terminal, to implement the above-mentioned first aspect or the steps of the method for sending user information described in the third aspect or the fifth aspect.
  • the terminal equipment and/or the base station reports the relevant information of LOS/NLOS identification, and distinguishes the LOS/NLOS by combining the various features of the LOS and the NLOS, which can achieve higher accuracy and positioning accuracy. higher.
  • FIG. 1 is a schematic diagram of a wireless communication system to which an embodiment of the application can be applied;
  • FIG. 2 is one of the schematic flowcharts of the positioning method provided by the embodiment of the present application.
  • FIG. 3 is the second schematic flowchart of the positioning method provided by the embodiment of the present application.
  • FIG. 4 is a third schematic flowchart of a positioning method provided by an embodiment of the present application.
  • FIG. 5 is a fourth schematic flowchart of a positioning method provided by an embodiment of the present application.
  • FIG. 6 is a fifth schematic flowchart of a positioning method provided by an embodiment of the present application.
  • FIG. 7 is a sixth schematic flowchart of a positioning method provided by an embodiment of the present application.
  • FIG. 8 is a schematic diagram of an entity structure of a communication device provided by an embodiment of the present application.
  • FIG. 9 is a schematic diagram of a hardware structure of a terminal device implementing an embodiment of the present application.
  • FIG. 10 is a schematic diagram of a hardware structure of a network side device implementing an embodiment of the present application.
  • first, second and the like in the description and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances so that the embodiments of the present application can be practiced in sequences other than those illustrated or described herein, and "first”, “second” distinguishes Usually it is a class, and the number of objects is not limited.
  • the first object may be one or multiple.
  • “and/or” in the description and the claims indicates at least one of the connected objects, and the character “/" generally indicates that the associated objects are in an "or” relationship.
  • LTE Long Term Evolution
  • LTE-Advanced Long Term Evolution
  • NR New Radio
  • CDMA Code Division Multiple Access
  • TDMA Time Division Multiple Access
  • FDMA Frequency Division Multiple Access
  • OFDMA orthogonal frequency Orthogonal Frequency Division Multiple Access
  • SC-FDMA Single-carrier Frequency-Division Multiple Access
  • system and “network” in the embodiments of the present application are often used interchangeably, and the described technology can be used not only for the above-mentioned systems and radio technologies, but also for other systems and radio technologies.
  • NR New Radio
  • 6G most Generation
  • FIG. 1 shows a block diagram of a wireless communication system to which the embodiments of the present application can be applied.
  • the wireless communication system includes a terminal device 101 and a network-side device 102 .
  • the terminal device 101 may also be referred to as a terminal, a receiving end or a user terminal (User Equipment, UE), and the terminal device 101 may be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer) or a notebook computer Computer, Personal Digital Assistant (PDA), PDA, Netbook, Ultra-mobile Personal Computer (UMPC), Mobile Internet Device (MID) or Vehicle-mounted Equipment (VUE), Pedestrian Terminal-side equipment such as a terminal (PUE), and wearable devices include: bracelets, earphones, glasses, etc.
  • PDA Personal Digital Assistant
  • UMPC Ultra-mobile Personal Computer
  • MID Mobile Internet Device
  • VUE Vehicle-mounted Equipment
  • Pedestrian Terminal-side equipment such as a terminal (PUE)
  • wearable devices include:
  • the network side device 102 may be a base station 1021 or a location management server LMF1022, wherein the base station 1021 may be referred to as a Node B, an evolved Node B, an access point, a Base Transceiver Station (BTS), a radio base station, a radio transceiver machine, Basic Service Set (BSS), Extended Service Set (ESS), Node B, Evolved Node B (eNB), Home Node B, Home Evolved Node B, WLAN Access Point, WiFi node, Transmitting Receiving Point (TRP) or some other suitable term in the field, as long as the same technical effect is achieved, the base station is not limited to a specific technical vocabulary.
  • BSS Basic Service Set
  • ESS Extended Service Set
  • eNB Evolved Node B
  • TRP Transmitting Receiving Point
  • the location management server LMF1022 can also be called a location management function (Location Management Function, LMF), which is a network-side device used for positioning in the network.
  • LMF Location Management Function
  • the LPP protocol is used between the LMF and the UE, and the LMF and the base station are used.
  • NRPPa protocol NRPPa protocol. It should be noted that, in the embodiments of the present application, only the base station in the NR system is used as an example, but the specific type of the base station is not limited.
  • the present application provides a positioning method, which can be applied to terminal equipment, including:
  • first information includes at least two items of the following information, where the following information includes: first frequency domain measurement information, first time domain measurement information, and first space domain measurement information;
  • the first information and the second information are used to determine location information.
  • a terminal device for positioning when using a terminal device for positioning in this embodiment of the present application, it may be implemented by performing at least one of the above two steps, and specifically, any of the following processing methods may be performed:
  • the terminal device may send first information to the network side device, so that the network side device can One information is used for positioning calculation to determine the position information.
  • the second schematic flowchart of the positioning method provided by the embodiment of the present application includes step 301, and the terminal device can receive the second information from the network side device, so that the terminal device can be based on the first information.
  • the second information is combined with its own measurement information to identify the LOS/NLOS state information, etc., and the terminal or network side device further performs location calculation according to the LOS/NLOS state information to determine the location information.
  • the third schematic flowchart of the positioning method provided by the embodiment of the present application includes steps 401 and 402, and the terminal device can receive the second information from the network side device, and according to the second information
  • the information is combined with its own measurement information to identify the LOS/NLOS state information, and the terminal device sends the first information to the network-side device, so that the network-side device can identify the LOS/NLOS state information according to the first information, and then the network-side device can identify the LOS/NLOS state information.
  • the location is calculated to determine the location information.
  • the terminal device in this embodiment of the present application may also communicate capabilities with the network side device, and the capabilities include whether to support LOS/ NLOS identification.
  • the network side device may be a base station or a location management server LMF.
  • the LMF can directly perform the identification operation according to the first information.
  • the base station may perform the identification operation according to the first information, or may forward the first information to the LMF, and the LMF may perform the identification operation.
  • the first information is measurement information determined by the terminal device, and the first information needs to include at least two of the first frequency domain measurement information, the first time domain measurement information, and the first space domain measurement information determined by the terminal device measurement. any combination of items. That is to say, it needs to include the first frequency domain measurement information and the first time domain measurement information, or the first frequency domain measurement information and the first spatial domain measurement information, or the first spatial domain measurement information and the first time domain measurement information, or the first Frequency domain measurement information, first time domain measurement information and first space domain measurement information. It should be understood that the "first” is only used to distinguish the measurement information of the terminal device, and has no substantial limiting effect.
  • the second information is information determined by the network-side device, and the information includes threshold information for LOS/NLOS state identification, which may be referred to as first threshold information.
  • the terminal device may perform data analysis to output the first threshold information, and then determine the LOS/NLOS state information by comparing the relationship between its own measurement information and the first threshold information.
  • first information and second information are both key information for location determination, and it is possible to report the first information to the network-side device through the terminal device or receive the second information sent by the network-side device through the terminal device. Realize the identification of LOS/NLOS status information, and further realize the determination of location information.
  • the terminal equipment and/or the base station reports the relevant information of LOS/NLOS identification, and distinguishes the LOS/NLOS by combining various features of the LOS and the NLOS, which can achieve higher accuracy and higher positioning accuracy.
  • the first frequency domain measurement information is determined by the terminal device, and the first frequency domain measurement information includes at least one of the following frequency domain information, where the following frequency domain information includes:
  • a reference range value for channel energy or power in the frequency domain is a reference range value for channel energy or power in the frequency domain.
  • the first frequency domain measurement information of the first information sent by the terminal device to the network side device may include any combination of one or any of all the frequency domain information listed above, and the frequency domain information is determined by the terminal Information determined by device measurements. It can be understood that, for the convenience of distinction, the above frequency domain information may also be referred to as the first frequency domain information.
  • the energy value or power value of the frequency-domain channel may be referred to as the first energy value or the first power value of the frequency-domain channel.
  • the maximum value of the channel energy or power in the frequency domain indicates the maximum value of the channel energy in the frequency domain or the maximum value of the channel power in the frequency domain
  • the minimum value of the channel energy or power in the frequency domain indicates the minimum value of the channel energy in the frequency domain or the maximum value of the channel power in the frequency domain.
  • the minimum value of the channel power similar to the other frequency domain information listed above.
  • the energy value or power value of the frequency domain channel can be expressed as the energy value and power value of all subcarriers of the frequency domain channel, or the frequency domain channel subcarrier-power/energy spectrum, where the subcarrier-power/energy Spectra include, but are not limited to, the form of pictures, functions, or quantification.
  • the first time domain measurement information is determined by the terminal device, and the first time domain measurement information includes at least one of the following time domain information, where the following time domain information includes:
  • the first time domain measurement information of the first information sent by the terminal device to the network side device may include any combination of one or any of all the time domain information listed above, and the time domain information is determined by the terminal Information determined by device measurements. It can be understood that, for the convenience of distinction, the above time domain information may also be referred to as the first time domain information.
  • the indication information of the median path may be referred to as the first indication information of the median path, wherein the indication information may be time domain information indicating whether other first time domain information is the median path, or may be an indication of whether the other first time domain information is the median path.
  • the reference trail is the trail reported as a reference, which can be the first trail or other trails.
  • the power value or energy value of the median path represents the first power value of the median path or the first energy value of the median path, and the other frequency domain information listed above is similar.
  • an additional path is an additional path other than the reference path or the primary path.
  • the first airspace measurement information is determined by the terminal device, and the first airspace measurement information includes at least one item of the following airspace information, where the following airspace information includes:
  • the first airspace measurement information of the first information sent by the terminal device to the network-side device may include any combination of one or any of all the airspace information listed above, and the airspace information is determined by the terminal device measurement Information. It can be understood that, for the convenience of distinction, the above airspace information may also be referred to as the first airspace information.
  • the polarization information of the antenna element may be referred to as the first polarization information of the antenna element.
  • the power or energy information of the first path on the antenna element represents the first power information of the first path on the antenna element or the first energy information of the first path on the antenna element; the maximum power or energy of the first path on the antenna element in the same polarization direction
  • the value represents the first maximum value of the first path power on the antenna elements in the same polarization direction or the second maximum value of the first path energy on the antenna elements with the same polarization direction, and other frequency domain information listed above is similar.
  • reference trail is the trail reported as a reference, which can be the first trail or other trails. Additional paths are additional paths other than the reference or primary path.
  • the first information includes sending in at least one of the following information fields:
  • the first information is included in the measurement information field or the location information field of the terminal device, and of course it can also be included in both the measurement information field and the location information field for sending.
  • the UE will report positioning information, which includes two fields, namely, measurement information (SignalMeasurementInformation) and location information (LocationInformation).
  • the first information is also associated with at least one of the following information, where the following information includes:
  • the first information in this embodiment of the present application may also be associated with other relevant measurement information, where the relevant measurement information includes reference signal time difference (Reference Signal Time Difference, RSTD) information, reference signal received power (Reference Signal Received Power, RSRP) information, reference signal received quality (Reference Signal Received Quality, RSRQ) information, beam information, and receive-transmit time difference (Rx-Tx timing difference) information.
  • RSTD Reference Signal Time Difference
  • RSRP reference signal received power
  • RSRQ Reference Signal Received Quality
  • the association may be the correspondence between the first information and its corresponding measurement information.
  • an RSTD and its corresponding first information are a group of associations, which can be reported in the same domain, or indicated by indication information. .
  • the correspondence refers to corresponding to the same measurement object, for example, the RSTD and the first information obtained by measuring the same downlink positioning reference signal; for example, the RSRP and the first information obtained by measuring the same downlink positioning reference signal resource set.
  • the positioning method of the embodiment of the present application further includes: sending second threshold information to the network-side device, where the second threshold information includes at least one of the following threshold information, where the following threshold information includes:
  • the relative power reference threshold information of the median path and the head path or the reference path or the relative energy reference threshold information of the median path and the head path or the reference path;
  • the relative power reference threshold information of the additional path and the first path or the reference path or the relative energy reference threshold information of the additional path and the first path or the reference path;
  • Power reference threshold information or energy reference threshold information are Power reference threshold information or energy reference threshold information
  • the terminal device in this embodiment of the present application may also send threshold information for information identification calculation to the network-side device, which may be referred to as second threshold information to This enables the network-side device to perform operations in combination with the second threshold information when performing information identification according to the first information. That is, the identification operation is performed in the network-side device in combination with the first information and the second threshold information to obtain the LOS/NLOS state information, and further location calculation can be performed accordingly to determine the location information.
  • the second threshold information may include any combination of one or any of all the threshold information listed above, and the threshold information is information determined by the configuration of the terminal device. It can be understood that, for the convenience of distinction, the above-mentioned threshold information can also be referred to as the second threshold information.
  • the frequency-domain power or energy reference threshold information may be referred to as frequency-domain power or energy second reference threshold information, indicating the frequency-domain power second reference threshold information or frequency-domain energy second reference threshold information;
  • the relative power reference threshold information of the path or the relative energy reference threshold information of the median path and the first path can be referred to as the second relative power reference threshold information of the median path and the first path or the second relative power of the median path and the first path.
  • Energy reference threshold information, other threshold information listed above is similar.
  • the reference threshold information refers to the maximum threshold information, or the minimum threshold information, or the reference threshold information;
  • the reference range information refers to the relative range information between the maximum value and the minimum value, or the relative range information between the maximum value and the reference value, or Relative range information for minimum and reference values.
  • the relative power and relative energy in the embodiments of the present application and the relative in the relative range information include, but are not limited to, a ratio or a difference.
  • the positioning method in this embodiment of the present application further includes: receiving first request information, where the first request information is used to request the terminal device to report the first request information. a message.
  • the network-side device can configure the information that the terminal device needs to report to the network-side device by sending request information to the terminal device, and the request may be called is the first request information, and the information to be reported corresponds to the first information.
  • the first information includes at least two items of first frequency domain measurement information, first time domain measurement information, and first space domain measurement information.
  • the first frequency domain measurement information, the first time domain measurement information, and the first spatial domain measurement information are all information determined by the terminal device.
  • the positioning method of the embodiment of the present application further includes:
  • the second LOS/NLOS identifies quality or reliability.
  • the embodiments of the present application can also receive the LOS/NLOS state identification results issued by the network side, that is, the LOS/NLOS state identification operation can be performed by the base station and the LMF respectively to obtain the LOS /NLOS state recognition result.
  • the LOS/NLOS status information indicates whether the TRP or measurement information corresponds to LOS or NLOS, and the LOS/NLOS identification quality or reliability indicates the accuracy or correctness of the LOS/NLOS status information.
  • the network side equipment includes the base station and/or the LMF, that is, the identification information received by the terminal equipment may be issued by the LMF, the base station, or the base station and the LMF respectively.
  • the identification information from the LMF is referred to as the third information
  • the identification information from the base station is referred to as the fourth information.
  • the identification information contained in the third information and the fourth information includes at least one item of LOS/NLOS status information and LOS/NLOS identification quality or reliability.
  • the identification information from the LMF and the identification information from the base station are determined by the LMF and the base station respectively, so the two may be the same or different.
  • the identification information from the LMF is referred to as the first
  • the LOS/NLOS status information and the first LOS/NLOS identification quality or reliability are referred to as the identification information from the base station as the second LOS/NLOS status information and the second LOS/NLOS identification quality or reliability.
  • the third information sent by the management server LMF is determined by the management server LMF, and may be determined based on the first information reported by the terminal, may also be determined based on the eighth information reported by the base station, or may be determined based on the first information reported by the terminal and
  • the second threshold information can also be determined based on the eighth information and the fourth threshold information reported by the base station, or based on the fifth information reported by the terminal, or based on the fourth information reported by the base station, or based on the information reported by the terminal.
  • the first information may be determined in combination with the eighth information reported by the base station, or may be determined based on the first information reported by the terminal in combination with the fifth information reported by the terminal, or may be determined based on the first information reported by the terminal in combination with the fourth information reported by the base station, or It can be determined based on the first information and the second threshold information reported by the terminal combined with the eighth information reported by the base station, or based on the first information and the second threshold information reported by the terminal combined with the fifth information reported by the terminal, or based on the information reported by the terminal.
  • the first information and the second threshold information are determined in combination with the fourth information reported by the base station, or can be determined based on the eighth information reported by the base station in combination with the fifth information reported by the terminal, or can be determined based on the eighth information reported by the base station in combination with the fourth information reported by the base station.
  • the information can also be determined based on the eighth information and the fourth threshold information reported by the base station in combination with the eighth information reported by the base station, or it can be determined based on the eighth information and the fourth threshold information reported by the base station in combination with the fifth information reported by the terminal, or It can be determined based on the eighth information and the fourth threshold information reported by the base station in combination with the fourth information reported by the base station, or can be determined based on the fifth information reported by the terminal in combination with the fourth information reported by the base station, or can be determined based on the first information reported by the terminal.
  • the eighth information reported by the base station is determined in combination with the fifth information reported by the terminal, it can also be determined based on the first information reported by the terminal in combination with the eighth information reported by the base station and the fourth information reported by the base station, or can be determined based on the first information reported by the terminal.
  • the eighth information reported by the base station is determined in combination with the fifth information reported by the terminal and the fourth information reported by the base station, which is not specifically limited in this application.
  • the fourth information sent by the base station is determined by the base station, and can be determined based on a combination of self-measurement information and pre-configured threshold information, or can be determined based on self-measurement information combined with third threshold information, or can be based on self-energy information combined with LMF.
  • the determination of the tenth information delivered may also be determined based on the third information delivered by the LMF and/or the fifth information reported by the terminal device, or may be determined based on self-measurement information and preconfigured threshold information and the third information delivered by the LMF And/or the fifth information reported by the terminal device can also be determined based on its own measurement information and the third threshold information and the third information issued by the LMF and/or the fifth information reported by the terminal device, or it can be determined based on its own measurement information Determined in conjunction with the tenth information issued by the LMF and the third information issued by the LMF and/or the fifth information reported by the terminal device, or determined based on self-measurement information and preconfigured threshold information and the tenth information issued by the LMF, It can also be determined based on its own measurement information in combination with the third threshold information and the tenth information sent by the network side, it can also be determined based on its own measurement information and pre-configured threshold information and the third threshold information, or it can be determined based on its own measurement
  • the threshold information and the third threshold information and the tenth information issued by the LMF can also be determined based on the self-measurement information and the pre-configured threshold information and the third threshold information and the third information issued by the LMF and/or the terminal equipment.
  • the determination of the fifth information can also be determined based on self-measurement information and pre-configured threshold information, the tenth information issued by the LMF, the third information issued by the LMF and/or the fifth information reported by the terminal device, or based on self-measurement
  • the information and the third threshold information, the tenth information issued by the LMF, the third information issued by the LMF and/or the fifth information reported by the terminal device are determined, which are not specifically limited in this application.
  • the third information or the fourth information is also associated with at least one of the following information, where the following information includes:
  • Reception-transmission time difference information corresponding to the third information or the fourth information.
  • the third information or the fourth information may also be associated with the above-listed information. It should be understood that the third information or the fourth information should have a corresponding relationship with the information listed above.
  • the association may be the correspondence between the third information or the fourth information and its corresponding measurement information.
  • an RSTD and its corresponding third or fourth information are a group of associations, which can be reported in the same domain. , or indicate through the instruction information.
  • the correspondence refers to corresponding to the same object, for example, RSTD and third information or fourth information measured by the same downlink positioning reference signal; for example, the third information or fourth information of the same transmission and reception point TRP.
  • the first threshold information includes at least one of the following threshold information, where the following threshold information includes:
  • the relative power reference threshold information of the median path and the head path or the reference path or the relative energy reference threshold information of the median path and the head path or the reference path;
  • the relative power reference threshold information of the additional path and the first path or the reference path or the relative energy reference threshold information of the additional path and the first path or the reference path;
  • Power reference threshold information or energy reference threshold information are Power reference threshold information or energy reference threshold information
  • the terminal device in this embodiment of the present application can receive threshold information used for information identification calculation, that is, the above-mentioned first threshold information, from the network side device, so that the terminal device can combine the first threshold information with its own measurement information Perform identification operation to obtain LOS/NLOS status information.
  • threshold information used for information identification calculation that is, the above-mentioned first threshold information
  • the first threshold information may include any combination of one or any of all the threshold information listed above, and the threshold information is information determined by the configuration of the network side device, where the network side device may be an LMF or a base station. It can be understood that, for the convenience of distinction, the above-mentioned threshold value information may also be referred to as the first threshold value information.
  • the frequency-domain power or energy reference threshold information may be referred to as frequency-domain power or energy first reference threshold information, which represents frequency-domain power first reference threshold information or frequency-domain energy first reference threshold information.
  • the other threshold information listed above is similar.
  • the reference threshold information refers to the maximum threshold information, or the minimum threshold information, or the reference threshold information;
  • the reference range information refers to the relative range information between the maximum value and the minimum value, or the relative range information between the maximum value and the reference value, or Relative range information for minimum and reference values.
  • the relative power and relative energy in the embodiments of the present application and the relative in the relative range information include, but are not limited to, a ratio or a difference.
  • the first threshold information is configured or reconfigured by the location management server LMF or the base station.
  • the network side device may be an LMF or a base station, which is not specifically limited in this application.
  • the first threshold information is configured or reconfigured by at least one of the following configuration modes, where the following configuration modes include:
  • any one of the above configuration methods can be used for configuration, or the two configuration methods can be combined to optimize the configuration result to obtain the final first threshold value information is sent to the terminal device.
  • the terminal device in this embodiment of the present application may further send second request information to the network-side device, where the second request information is used to request the network-side device for the first threshold information. That is to say, when the terminal device needs to perform the identification operation, it can perform the identification operation by itself according to its own measurement information, or it can request the network-side device for threshold information for the identification operation, that is, the first threshold information, and then according to the first threshold information.
  • the threshold information is combined with the self-measurement information to perform the identification operation.
  • the positioning method of the embodiment of the present application further includes: receiving sixth information sent by the network side device, where the sixth information includes at least one of the following:
  • the network-side device may also be configured to send operation model information for determining the location information operation to the terminal device, where the operation model information is included in the delivered information, and the delivered information is called “Yes”.
  • the operation model information includes at least one of the model information listed above, that is, it may be one of them, or any combination of any of them.
  • the above-mentioned error model information includes, but is not limited to, at least one of position error compensation information, measurement error compensation information, equipment error compensation information, and parameter adjustment information.
  • error compensation can be performed on the first information, the positioning result, the measurement result, and the error or parameter error caused by the device, so that the reported first information or the LOS/NLOS identification information is more accurate.
  • the above-mentioned preprocessing model information includes but is not limited to at least one of the following: filter parameters or models; convolution layer parameters or models; pooling layer parameters or models; discrete cosine transform (Discrete Cosine Transform, DCT) transformation parameters or models ; wavelet transform parameters or models; parameters or models of impulse channel processing methods; parameters or models of waveform processing methods; parameters or models of signal correlation sequence processing methods.
  • the model here can refer to a function model, a network model, a downsampling model, an image model, etc.; the parameters here can refer to weights, step sizes, mean and variance, and so on. In this way, the first information, the positioning result or the measurement result can be processed based on the preprocessing model information, so that fewer reporting resources are occupied.
  • the above-mentioned machine learning model information includes but is not limited to: commonly used machine learning or neural network or deep neural network models and parameters of machine learning or neural network or deep neural network models.
  • the above-mentioned commonly used machine learning or neural network or deep neural network models include but are not limited to: Convolutional Neural Networks (CNN), such as GoogLeNet, AlexNet, etc.; Recurrent Neural Network (Recurrent Neural Network, RNN) and Long Short-Term Memory (LSTM); Recurrent Tensor Neural Network (RNTN); Generative Adversarial Networks (GAN); Deep Belief Network (DBN); Restricted Boltzmann Machine (Restricted Boltzmann Machine, RBM) et al.
  • CNN Convolutional Neural Networks
  • RNN Recurrent Neural Network
  • LSTM Long Short-Term Memory
  • RNTN Recurrent Tensor Neural Network
  • GAN Generative Adversarial Networks
  • DBN Deep Belief Network
  • the parameters of the above machine learning or neural network or deep neural network model including but not limited to weights, step size, mean and variance, etc.
  • at least one of the following information may be determined based on the machine learning model information: LOS/NLOS identification information, first information, location information, measurement information, processed first information, and processed measurement information.
  • the positioning method of the embodiment of the present application further includes: sending fifth information to the network side device, where the fifth information is identified and determined by the terminal device, and the fifth information includes at least one of the following :
  • the third LOS/NLOS identifies quality or reliability.
  • the terminal device may report the identification result to the network-side device on the basis of the operations of the above-mentioned embodiments, and may encapsulate the information that needs to be reported when reporting, and the encapsulated result can be obtained. It is called the fifth information.
  • the fifth information includes at least one item of LOS/NLOS status information and LOS/NLOS identification quality or reliability, and these identification information are all determined by terminal equipment operations.
  • the identification information is referred to as the third LOS/NLOS status information and the third LOS/NLOS identification quality or reliability.
  • the fifth information may be reported through at least one item of location information or measurement information.
  • the terminal device determines the fifth information, it can be determined based on its own measurement information and pre-configured threshold information, or it can be determined based on its own measurement information in combination with the first threshold information, or it can be determined based on its own measurement information in combination with the network side.
  • the sixth information can also be determined based on the third information and/or the fourth information sent by the network side, or based on its own measurement information and pre-configured threshold information and the third information and/or the third information and/or the third information sent by the network side.
  • the four information can also be determined based on its own measurement information, the first threshold information and the third information and/or the fourth information sent by the network side, or it can be determined based on its own measurement information combined with the sixth information sent by the network side and the network side.
  • the third information and/or the fourth information delivered by the network side can also be determined based on its own measurement information and pre-configured threshold information and the sixth information delivered by the network side, or it can be determined based on its own measurement information in combination with the first threshold information and
  • the sixth information sent by the network side can be determined based on its own measurement information, preconfigured threshold information and first threshold information, or based on its own measurement information and preconfigured threshold information and first threshold information and the network side downlink information.
  • the sixth information sent by the network side can also be determined based on its own measurement information and pre-configured threshold information and the first threshold information and the third information and/or fourth information sent by the network side, or based on its own measurement information and pre-configured information.
  • the threshold information and the sixth information issued by the network side and the third information and/or the fourth information issued by the network side can also be determined based on the self-measurement information and the first threshold information and the sixth information issued by the network side and
  • the third information and/or the fourth information delivered by the network side is determined, which is not specifically limited in this application.
  • the fifth information is also associated with at least one of the following information, where the following information includes:
  • Reference signal time difference RSTD information corresponding to the fifth information
  • Reception-transmission time difference information corresponding to the fifth information Reception-transmission time difference information corresponding to the fifth information.
  • the fifth information may also be associated with the above-listed information. It should be understood that the fifth information should have a corresponding relationship with the information listed above.
  • the positioning method further includes: receiving seventh information sent by the network side device, where the seventh information includes at least one of the following:
  • the set of sending and receiving point TRPs used for positioning is the set of sending and receiving point TRPs used for positioning
  • the present application can also receive positioning assistance data delivered by the network side, and these assistance data can be encapsulated into information, which can be referred to as seventh information.
  • the seventh information includes any combination of one or any of the above listed information, which is not specifically limited in this application.
  • the TRP set and resource set set are sets related to LOS/NLOS identification, and the TRP priority and resource set priority are the priorities related to LOS/NLOS identification.
  • the above seventh information may be determined after the network side device determines the LOS/NLOS state information based on the first information, or may be determined after determining the LOS/NLOS state information based on the eighth information, or may be determined based on the first information.
  • information and the eighth information after the LOS/NLOS status information is determined, or it may be determined based on the fifth information and/or the fourth information, or it may be determined based on the first information and the fifth information, or it may be determined based on the The first information and the fourth information can also be determined based on the eighth information and the fifth information, or can be determined based on the eighth information and the fourth information, or can be determined based on the first information and the eighth information and the The fifth information can also be determined based on the first information, the eighth information and the fourth information, or it can be determined based on the first information and the eighth information and the fifth information. It is not specifically limited.
  • the execution body may be a positioning device, or a control module in the positioning device for executing the positioning method.
  • the positioning device provided by the embodiment of the present application is described by taking the positioning device executing the positioning method as an example.
  • the positioning apparatus in this embodiment of the present application may be used to implement the positioning process in each of the foregoing positioning method embodiments, and the apparatus includes: a first sending module and/or a first receiving module.
  • the first sending module is configured to send first information to the network-side device, where the first information includes at least two items of the following information, where the following information includes: first frequency domain measurement information and first time domain measurement information and first airspace measurement information; the first receiving module is configured to receive second information sent by the network side device, the second information includes first threshold information; wherein, the first information and the second information Used to determine location information.
  • the first frequency domain measurement information is determined by the terminal device, and the first frequency domain measurement information includes at least one of the following frequency domain information, where the following frequency domain information includes:
  • a reference range value for channel energy or power in the frequency domain is a reference range value for channel energy or power in the frequency domain.
  • the first time domain measurement information is determined by the terminal device, and the first time domain measurement information includes at least one of the following time domain information, where the following time domain information includes:
  • the first airspace measurement information is determined by the terminal device, and the first airspace measurement information includes at least one item of the following airspace information, where the following airspace information includes:
  • the first information includes sending in at least one of the following information fields:
  • the first information is also associated with at least one of the following information, where the following information includes:
  • Reception-transmission time difference information corresponding to the first information Reception-transmission time difference information corresponding to the first information.
  • the first sending module is further configured to: send second threshold information to the network-side device, where the second threshold information includes at least one of the following threshold information, where the following threshold information includes:
  • the relative power reference threshold information of the median path and the head path or the reference path or the relative energy reference threshold information of the median path and the head path or the reference path;
  • the relative power reference threshold information of the additional path and the first path or the reference path or the relative energy reference threshold information of the additional path and the first path or the reference path;
  • Power reference threshold information or energy reference threshold information are Power reference threshold information or energy reference threshold information
  • the positioning device of the embodiment of the present application further includes:
  • the second receiving module is configured to receive first request information, where the first request information is used to request the terminal device to report the first information.
  • the first receiving module is also used for:
  • the second LOS/NLOS identifies quality or reliability.
  • the third information or the fourth information is also associated with at least one of the following information, where the following information includes:
  • Reception-transmission time difference information corresponding to the third information or the fourth information.
  • the first threshold information includes at least one of the following threshold information, where the following threshold information includes:
  • the relative power reference threshold information of the median path and the head path or the reference path or the relative energy reference threshold information of the median path and the head path or the reference path;
  • the relative power reference threshold information of the additional path and the first path or the reference path or the relative energy reference threshold information of the additional path and the first path or the reference path;
  • Power reference threshold information or energy reference threshold information are Power reference threshold information or energy reference threshold information
  • the first threshold information is configured or reconfigured by the location management server LMF or the base station.
  • the first threshold information is configured or reconfigured by at least one of the following configuration modes, where the following configuration modes include:
  • the first sending module is further configured to:
  • the fifth information is identified and determined by the terminal device, and the fifth information includes at least one of the following:
  • the third LOS/NLOS identifies quality or reliability.
  • the fifth information is also associated with at least one of the following information, where the following information includes:
  • Reference signal time difference RSTD information corresponding to the fifth information
  • Reception-transmission time difference information corresponding to the fifth information Reception-transmission time difference information corresponding to the fifth information.
  • the first receiving module is further configured to:
  • the positioning device of the embodiment of the present application further includes:
  • the second sending module is configured to send second request information, where the second request information is used to request the first threshold information from the network side device.
  • the first receiving module is further configured to: receive seventh information sent by the network-side device, where the seventh information includes at least one of the following:
  • the set of sending and receiving point TRPs used for positioning is the set of sending and receiving point TRPs used for positioning
  • the positioning device of the embodiment of the present application further includes:
  • the first communication module is configured to communicate with the network-side device on capabilities, and the capabilities include whether to support LOS/NLOS identification.
  • the positioning device in this embodiment of the present application may be a device, or may be a component, an integrated circuit, or a chip in a terminal device.
  • the device can be a mobile device or a non-mobile device.
  • the movable device may include, but is not limited to, the types of terminal devices 101 listed above, and the non-mobile device may be a server, a network attached storage (NAS), a personal computer (PC), a television A TV (television, TV), a teller machine, or a self-service machine, etc., are not specifically limited in this embodiment of the present application.
  • the positioning device in this embodiment of the present application may be a device with an operating system.
  • the operating system may be an Android (Android) operating system, an IOS operating system, or other possible operating systems, which are not specifically limited in the embodiments of the present application.
  • the positioning device provided in the embodiment of the present application can implement each process implemented in FIGS. 2-4 and the above-mentioned positioning method embodiments, and achieve the same technical effect. To avoid repetition, details are not repeated here.
  • the embodiment of the present application also provides a positioning method, which is executed by a base station, and the method includes:
  • the eighth information includes at least two items of the following information, where the following information includes: second frequency domain measurement information, second time domain measurement information, and second space domain measurement information;
  • the ninth information includes third threshold information
  • the eighth information and the ninth information are used to determine location information.
  • a base station for positioning when using a base station for positioning in this embodiment of the present application, it may be implemented by performing at least one of the above two steps, and specifically, any of the following processing methods may be performed:
  • the fourth schematic flowchart of the positioning method provided by the embodiment of the present application includes step 501.
  • the base station may send the eighth information to the location management server LMF, so that the location management server LMF can The eighth information performs positioning calculation to determine the position information.
  • the fifth schematic flowchart of the positioning method provided by the embodiment of the present application includes step 601, and the base station can receive the ninth information from the location management server LMF, so that the base station can be based on the ninth information.
  • the information is combined with its own measurement information to identify the LOS/NLOS state information, etc., and the location management server LMF or the base station further performs location calculation according to the LOS/NLOS state information to determine the location information.
  • the sixth schematic flowchart of the positioning method provided by the embodiment of the present application includes steps 701 and 702, and the base station can receive the ninth information from the network side equipment, and according to the ninth information Combined with its own measurement information, identify the LOS/NLOS state information, and at the same time, the base station sends the eighth information to the location management server LMF, so that the location management server LMF can identify the LOS/NLOS state information according to the eighth information.
  • the management server LMF combines the LOS/NLOS status information identified by the base station and the LOS/NLOS status information identified by the location management server LMF to perform position calculation and determine the position information.
  • the eighth information is measurement information determined by the base station, and the eighth information needs to include at least two of the second frequency domain measurement information, the second time domain measurement information, and the second space domain measurement information determined by the base station measurement. random combination. That is to say, the second frequency domain measurement information and the second time domain measurement information, or the second frequency domain measurement information and the second spatial domain measurement information, or the second spatial domain measurement information and the second time domain measurement information, or the second Two frequency domain measurement information, second time domain measurement information and second space domain measurement information. It should be understood that the "second” is only used to distinguish the measurement information of the base station, and has no substantial limitation.
  • the ninth information is information determined by the location management server LMF, and the information includes threshold information for LOS/NLOS state identification, which may be referred to as third threshold information.
  • the base station may perform data analysis to output third threshold information, and then determine the LOS/NLOS state information by comparing the relationship between its own measurement information and the third threshold information.
  • the method of this embodiment of the present application further includes: sending fourth request information, where the fourth request information is used to request the third threshold information from the location management server LMF .
  • eighth information and ninth information are the key information for determining the location, and the eighth information is reported to the location management server LMF by the base station or the ninth information sent by the location management server LMF is received by the base station. Realize the identification of LOS/NLOS status information, and further realize the determination of location information.
  • the terminal equipment and/or the base station reports the relevant information of LOS/NLOS identification, and distinguishes the LOS/NLOS by combining various features of the LOS and the NLOS, which can achieve higher accuracy and higher positioning accuracy.
  • the second frequency domain measurement information is determined by the base station, and the second frequency domain measurement information includes at least one of the following frequency domain information, where the following frequency domain information includes:
  • the energy value or power value of the frequency domain channel
  • a reference range value for channel energy or power in the frequency domain is a reference range value for channel energy or power in the frequency domain.
  • the second frequency domain measurement information of the eighth information sent by the base station to the location management server LMF may include any combination of one or any of all the frequency domain information listed above, and the frequency domain information is determined by the base station Measured information. It can be understood that, for the convenience of distinction, the above frequency domain information may also be referred to as second frequency domain information.
  • the energy value or power value of the frequency domain channel may be referred to as the second energy value or the second power value of the frequency domain channel.
  • the maximum value of the channel energy or power in the frequency domain indicates the maximum value of the channel energy in the frequency domain or the maximum value of the channel power in the frequency domain
  • the minimum value of the channel energy or power in the frequency domain indicates the minimum value of the channel energy in the frequency domain or the maximum value of the channel power in the frequency domain.
  • the minimum value of the channel power for example, the energy value or power value of the frequency domain channel, can be expressed as the energy value and power value of all subcarriers of the frequency domain channel, or the frequency domain channel subcarrier-power/energy spectrum, where the The subcarrier-power/energy spectrum includes, but is not limited to, the form of pictures, functions, or quantization.
  • the other frequency domain information listed above is similar.
  • the second time domain measurement information is determined by the base station, and the second time domain measurement information includes at least one of the following time domain information, where the following time domain information includes:
  • the second time domain measurement information of the eighth information sent by the base station to the location management server LMF may include any combination of one or any of all the time domain information listed above, and the time domain information is determined by the base station Measured information.
  • the above time domain information may also be referred to as second time domain information.
  • the indication information of the median path may be referred to as the second indication information of the median path.
  • the indication information may be time domain information indicating whether the other first time domain information is the median path, or may be a relative value (such as a difference or ratio) of other first time domain information indicating the median path and the reference path. ).
  • the reference trail is the trail reported as a reference, which can be the first trail or other trails.
  • the power value or energy value of the median path represents the second power value of the median path or the second energy value of the median path, and the other frequency domain information listed above is similar.
  • an additional path is an additional path other than the reference path or the primary path.
  • the second airspace measurement information is determined by the base station, and the second airspace measurement information includes at least one of the following airspace information, where the following airspace information includes:
  • the second airspace measurement information of the eighth information sent by the base station to the location management server LMF may include any combination of one or any of all the airspace information listed above, and the airspace information is determined by the base station measurement information. It can be understood that, for the convenience of distinction, the above airspace information may also be referred to as the second airspace information.
  • the polarization information of the antenna element may be referred to as the second polarization information of the antenna element.
  • the power or energy information of the first path on the antenna element represents the second power information of the first path on the antenna element or the second energy information of the first path on the antenna element; the maximum power or energy of the first path on the antenna element in the same polarization direction
  • the value represents the second maximum value of the first path power on the antenna elements in the same polarization direction or the second maximum value of the first path energy on the antenna elements in the same polarization direction, and the other frequency domain information listed above is similar.
  • reference trail is the trail reported as a reference, which can be the first trail or other trails. Additional paths are additional paths other than the reference or primary path.
  • the eighth information is also associated with at least one of the following information, where the following information includes:
  • Reception-transmission time difference (Rx-Tx timing difference) information corresponding to the eighth information.
  • the eighth information in this embodiment of the present application may also be associated with other relevant measurement information, where the relevant measurement information includes reference signal time difference (Reference Signal Time Difference, RSTD) information, reference signal received power (Reference Signal Received Power, RSRP) information, reference signal received quality (Reference Signal Received Quality, RSRQ) information, beam information, and receive-transmit time difference (Rx-Tx timing difference) information.
  • RSTD Reference Signal Time Difference
  • RSRP reference signal received power
  • RSRQ Reference Signal Received Quality
  • the association may be the correspondence between the first information and its corresponding measurement information.
  • an RSTD and its corresponding first information are a group of associations, which can be reported in the same domain, or indicated by indication information. .
  • the correspondence refers to corresponding to the same measurement object, for example, RSTD and eighth information obtained by measuring the same uplink positioning reference signal; for example, RSRP and eighth information obtained by measuring the same uplink positioning reference signal resource set.
  • the positioning method of the embodiment of the present application further includes: sending fourth threshold information to the location management server LMF, where the fourth threshold information includes at least one of the following threshold information, and the following threshold information includes:
  • the relative power reference threshold information of the median path and the head path or the reference path or the relative energy reference threshold information of the median path and the head path or the reference path;
  • the relative power reference threshold information of the additional path and the first path or the reference path or the relative energy reference threshold information of the additional path and the first path or the reference path;
  • Power reference threshold information or energy reference threshold information are Power reference threshold information or energy reference threshold information
  • the base station in this embodiment of the present application may also send threshold information for information identification and calculation to the location management server LMF, which may be referred to as fourth threshold information to This enables the location management server LMF to perform operations in combination with the fourth threshold information when performing information identification according to the eighth information. That is, in the location management server LMF, the identification operation is performed in combination with the eighth information and the fourth threshold information to obtain the LOS/NLOS state information, and further location calculation can be performed accordingly to determine the location information.
  • the fourth threshold information may include any combination of one or any of all the threshold information listed above, and the threshold information is information determined by the configuration of the base station. It can be understood that, for the convenience of distinction, the above-mentioned threshold value information may also be referred to as fourth threshold value information.
  • the frequency-domain power or energy reference threshold information may be referred to as the frequency-domain power or energy fourth reference threshold information, indicating the frequency-domain power fourth reference threshold information or the frequency-domain energy fourth reference threshold information;
  • the relative power reference threshold information of the path or the relative energy reference threshold information of the median path and the first path may be referred to as the fourth relative power reference threshold information of the median path and the first path, or the fourth relative power reference threshold information of the median path and the first path.
  • the reference threshold information refers to the maximum threshold information, or the minimum threshold information, or the reference threshold information;
  • the reference range information refers to the relative range information between the maximum value and the minimum value, or the relative range information between the maximum value and the reference value, or Relative range information for minimum and reference values.
  • the relative power and relative energy and the relative in the relative range information in the embodiments of the present application include, but are not limited to, ratio or difference.
  • the positioning method in this embodiment of the present application further includes: receiving third request information, where the third request information is used to request the base station to report the first information.
  • Eight information the location management server LMF can configure the information that the base station needs to report to the location management server LMF by sending the request information to the base station.
  • the third request information, the information to be reported corresponds to the eighth information.
  • the eighth information includes at least two items of second frequency domain measurement information, second time domain measurement information, and second space domain measurement information.
  • the second frequency domain measurement information, the second time domain measurement information, and the second space domain measurement information are all information determined by the base station.
  • the positioning method of the embodiment of the present application further includes:
  • Receive fifth information reported by a terminal device where the fifth information is identified and determined by the terminal device, and the fifth information includes at least one of the following:
  • the third LOS/NLOS identifies quality or reliability.
  • the embodiments of the present application can also receive the LOS/NLOS status identification result issued by the location management server LMF or the LOS/NLOS status identification result reported by the terminal device, that is, the terminal device can also receive the LOS/NLOS status identification result. Perform LOS/NLOS state recognition operation with LMF respectively to obtain the LOS/NLOS state recognition result.
  • the identification information from the LMF is referred to as the third information
  • the identification information from the terminal device is referred to as the fifth information.
  • the identification information contained in the third information and the fifth information both includes at least one item of LOS/NLOS status information and LOS/NLOS identification quality or reliability.
  • the identification information from the LMF and the identification information from the terminal device are respectively determined by the LMF and the terminal device, so the two may be the same or different.
  • the identification information from the LMF is referred to as The first LOS/NLOS status information and the first LOS/NLOS identification quality or reliability are referred to as the identification information from the terminal device as the third LOS/NLOS status information and the third LOS/NLOS identification quality or reliability.
  • the third information or the fifth information is also associated with at least one of the following information, where the following information includes:
  • Reception-transmission time difference information corresponding to the third information or the fifth information.
  • the third information or the fifth information may also be associated with the above-listed information. It should be understood that the third information or the fifth information should have a corresponding relationship with the information listed above.
  • the association may be the correspondence between the third information or the fifth information and its corresponding measurement information.
  • an RSTD and its corresponding third or fifth information are a group of associations, which can be reported in the same domain , or indicate through the instruction information.
  • the correspondence refers to corresponding to the same object, for example, the RSTD and the third information or fifth information measured by the same downlink positioning reference signal; for example, the third information or fifth information of the same transmission and reception point TRP.
  • the third threshold information includes at least one of the following threshold information, where the following threshold information includes:
  • the relative power reference threshold information of the median path and the head path or the reference path or the relative energy reference threshold information of the median path and the head path or the reference path;
  • the relative power reference threshold information of the additional path and the first path or the reference path or the relative energy reference threshold information of the additional path and the first path or the reference path;
  • Power reference threshold information or energy reference threshold information are Power reference threshold information or energy reference threshold information
  • the base station in this embodiment of the present application may receive threshold information from the LMF for information identification operation, that is, the above-mentioned third threshold information, so that the base station can perform identification operation in combination with the third threshold information and its own measurement information, Get LOS/NLOS status information.
  • the third threshold information may include any combination of one or any of all the threshold information listed above, and the threshold information is information determined by the LMF configuration. It can be understood that, for the convenience of distinction, the above-mentioned threshold information may also be referred to as third threshold information.
  • the frequency-domain power or energy reference threshold information may be referred to as frequency-domain power or energy third reference threshold information, indicating frequency-domain power third reference threshold information or frequency-domain energy third reference threshold information.
  • the other threshold information listed above is similar.
  • the reference threshold information refers to the maximum threshold information, or the minimum threshold information, or the reference threshold information;
  • the reference range information refers to the relative range information between the maximum value and the minimum value, or the relative range information between the maximum value and the reference value, or Relative range information for minimum and reference values.
  • the relative power and relative energy in the embodiments of the present application and the relative in the relative range information include, but are not limited to, a ratio or a difference.
  • the third threshold information is configured by the location management server LMF through the NRPPa protocol.
  • the positioning method in this embodiment of the present application further includes: sending fourth information to the location management server LMF or the terminal device, where the fourth information includes at least one of the following:
  • the second LOS/NLOS identifies quality or reliability.
  • the base station may report the identification result to the LMF on the basis of the operations of the above-mentioned embodiments, and may encapsulate the information to be reported when reporting, and the encapsulated result may be called Fourth information.
  • the fourth information includes at least one item of LOS/NLOS status information and LOS/NLOS identification quality or reliability, all of which are determined by the base station operation.
  • the identification information is referred to as the second LOS/NLOS state information and the second LOS/NLOS identification quality or reliability.
  • the base station determines the fourth information, it can be determined based on the combination of its own measurement information and the pre-configured threshold information, it can also be determined based on its own measurement information combined with the third threshold information, or it can be determined based on its own measurement information combined with the LMF issued.
  • the tenth information can also be determined based on the third information issued by the LMF and/or the fifth information reported by the terminal device, or based on self-measurement information and pre-configured threshold information and the third information issued by the LMF and/or
  • the fifth information reported by the terminal device can also be determined based on its own measurement information, the third threshold information, the third information sent by the LMF and/or the fifth information reported by the terminal device, or it can be determined based on its own measurement information combined with the LMF.
  • the tenth information sent by the LMF and the third information sent by the LMF and/or the fifth information reported by the terminal device can also be determined based on its own measurement information and pre-configured threshold information and the tenth information sent by the LMF, or based on The self-measurement information is determined in combination with the third threshold information and the tenth information delivered by the network side, it can also be determined based on the self-measurement information and the pre-configured threshold information and the third threshold information, or can be determined based on the self-measurement information and the pre-configured threshold information
  • the third threshold information and the tenth information issued by LMF can also be determined based on self-measurement information and preconfigured threshold information and third threshold information and the third information issued by LMF and/or the fifth information reported by terminal equipment It can also be determined based on its own measurement information and preconfigured threshold information, the tenth information issued by the LMF, the third information issued by the LMF and/or the fifth information reported by the terminal device, or based on its own measurement information
  • the fourth information is also associated with at least one of the following information, where the following information includes:
  • Reference signal time difference RSTD information corresponding to the fourth information
  • Reception-transmission time difference information corresponding to the fourth information Reception-transmission time difference information corresponding to the fourth information.
  • the fourth information may also be associated with the above-listed information. It should be understood that the fourth information should have a corresponding relationship with the information listed above.
  • the positioning method in the embodiment of the present application further includes: receiving tenth information sent by the location management server LMF, where the tenth information includes at least one of the following:
  • the LMF may also be configured to send operation model information for determining the operation of the location information to the base station, where the operation model information is included in the information to be delivered, and the information to be delivered is called the tenth information .
  • the operation model information includes at least one of the model information listed above, that is, it may be one of them, or any combination of any of them.
  • the above-mentioned error model information includes, but is not limited to, at least one of position error compensation information, measurement error compensation information, equipment error compensation information, and parameter adjustment information.
  • error compensation can be performed on the eighth information, the positioning result, the measurement result, the error or parameter error caused by the equipment, so that the reported eighth information or the LOS/NLOS identification information is more accurate.
  • the above-mentioned preprocessing model information includes but is not limited to at least one of the following: filter parameters or models; convolution layer parameters or models; pooling layer parameters or models; discrete cosine transform (Discrete Cosine Transform, DCT) transformation parameters or models ; wavelet transform parameters or models; parameters or models of impulse channel processing methods; parameters or models of waveform processing methods; parameters or models of signal correlation sequence processing methods.
  • the model here can refer to a function model, a network model, a downsampling model, an image model, etc.; the parameters here can refer to weights, step sizes, mean and variance, and so on.
  • the eighth information, the positioning result or the measurement result can be processed based on the preprocessing model information, so that fewer reporting resources are occupied.
  • the above-mentioned machine learning model information includes but is not limited to: commonly used machine learning or neural network or deep neural network models and parameters of machine learning or neural network or deep neural network models.
  • the above-mentioned commonly used machine learning or neural network or deep neural network models include but are not limited to: Convolutional Neural Networks (CNN), such as GoogLeNet, AlexNet, etc.; Recurrent or Recurrent Neural Network (RNN) and Long Short-Term Memory (LSTM); Recurrent Tensor Neural Network (RNTN); Generative Adversarial Networks (GAN); Deep Belief Network (DBN); Restricted Boltzmann Machine (Restricted Boltzmann Machine, RBM) et al.
  • CNN Convolutional Neural Networks
  • RNN Recurrent or Recurrent Neural Network
  • LSTM Long Short-Term Memory
  • RNTN Recurrent Tensor Neural Network
  • GAN Generative Adversarial Networks
  • DBN Deep Belief Network
  • the parameters of the above machine learning or neural network or deep neural network model including but not limited to weights, step size, mean and variance, etc.
  • at least one of the following information may be determined based on the machine learning model information: LOS/NLOS identification information, eighth information, location information, measurement information, processed eighth information, and processed measurement information.
  • model information in the above tenth information may be the same as or different from the model information in the sixth information in the above embodiment, which is not specifically limited in the present application.
  • the execution body may be a positioning device, or a control module in the positioning device for executing the positioning method.
  • the positioning device provided by the embodiment of the present application is described by taking the positioning device executing the positioning method as an example.
  • the positioning apparatus in this embodiment of the present application may be used to implement the positioning process in each of the foregoing positioning method embodiments, and the apparatus includes: a third sending module and/or a third receiving module.
  • the third sending module is configured to send eighth information to the location management server LMF, where the eighth information includes at least two items of the following information, where the following information includes: second frequency domain measurement information, second time domain measurement information information and second airspace measurement information; the third receiving module is configured to receive ninth information, where the ninth information includes third threshold information; wherein the eighth information and the ninth information are used to determine position information.
  • the second frequency domain measurement information is determined by the base station, and the second frequency domain measurement information includes at least one of the following frequency domain information, where the following frequency domain information includes:
  • the energy value or power value of the frequency domain channel
  • a reference range value for channel energy or power in the frequency domain is a reference range value for channel energy or power in the frequency domain.
  • the second time domain measurement information is determined by the base station, and the second time domain measurement information includes at least one of the following time domain information, where the following time domain information includes:
  • the second airspace measurement information is determined by the base station, and the second airspace measurement information includes at least one of the following airspace information, where the following airspace information includes:
  • the eighth information is also associated with at least one of the following information, where the following information includes:
  • Reception-transmission time difference information corresponding to the eighth information Reception-transmission time difference information corresponding to the eighth information.
  • the third sending module is further configured to: send fourth threshold information to the location management server LMF, where the fourth threshold information includes at least one of the following threshold information, where the following threshold information includes:
  • the relative power reference threshold information of the median path and the head path or the reference path or the relative energy reference threshold information of the median path and the head path or the reference path;
  • the relative power reference threshold information of the additional path and the first path or the reference path or the relative energy reference threshold information of the additional path and the first path or the reference path;
  • Power reference threshold information or energy reference threshold information are Power reference threshold information or energy reference threshold information
  • the positioning device of the embodiment of the present application further includes:
  • the fourth receiving module is configured to receive third request information, where the third request information is used to request the base station to report the eighth information.
  • the third receiving module is further configured to: receive third information issued by the location management server LMF, where the third information is identified and determined by the location management server LMF, and the third information Include at least one of the following:
  • Receive fifth information reported by a terminal device where the fifth information is identified and determined by the terminal device, and the fifth information includes at least one of the following:
  • the third LOS/NLOS identifies quality or reliability.
  • the third information or the fifth information is also associated with at least one of the following information, where the following information includes:
  • Reception-transmission time difference information corresponding to the third information or the fifth information.
  • the third threshold information includes at least one of the following threshold information, where the following threshold information includes:
  • the relative power reference threshold information of the median path and the head path or the reference path or the relative energy reference threshold information of the median path and the head path or the reference path;
  • the relative power reference threshold information of the additional path and the first path or the reference path or the relative energy reference threshold information of the additional path and the first path or the reference path;
  • the relative power range threshold information of the additional path and the first path or the reference path or the relative energy range threshold information of the additional path and the first path or the reference path;
  • Power reference threshold information or energy reference threshold information are Power reference threshold information or energy reference threshold information
  • the third threshold information is configured by the location management server LMF through the NRPPa protocol.
  • the third sending module is further configured to:
  • the second LOS/NLOS identifies quality or reliability.
  • the fourth information is also associated with at least one of the following information, where the following information includes:
  • Reference signal time difference RSTD information corresponding to the fourth information
  • Reception-transmission time difference information corresponding to the fourth information Reception-transmission time difference information corresponding to the fourth information.
  • the third receiving module is further configured to:
  • the positioning device in the embodiment of the present application further includes:
  • a fourth sending module configured to send fourth request information, where the fourth request information is used to request the third threshold information from the location management server LMF.
  • the embodiment of the present application further provides a positioning method, which is executed by the location management server LMF, and the method includes at least one of the following steps, and the following steps include:
  • first information reported by a terminal device where the first information includes at least two items of the following information, where the following information includes: first frequency domain measurement information, first time domain measurement information, and first space domain measurement information;
  • the second information includes first threshold information
  • the eighth information includes at least two items of the following information, where the following information includes: second frequency domain measurement information, second time domain measurement information, and second space domain measurement information;
  • the ninth information includes third threshold information
  • the first information, the second information, the eighth information and the ninth information are used to determine the location information.
  • the first frequency domain measurement information is determined by the terminal device
  • the second frequency domain measurement information is determined by the base station
  • the first frequency domain measurement information and/or the The second frequency domain measurement information includes at least one item of the following frequency domain information, where the following frequency domain information includes:
  • the energy value or power value of the frequency domain channel
  • a reference range value for channel energy or power in the frequency domain is a reference range value for channel energy or power in the frequency domain.
  • the first time domain measurement information is determined by the terminal device
  • the second time domain measurement information is determined by the base station
  • the first time domain measurement information and/or the The second time domain measurement information includes at least one item of the following time domain information, where the following time domain information includes:
  • the first airspace measurement information is determined by the terminal device
  • the second airspace measurement information is determined by the base station
  • the first airspace measurement information and/or the second airspace measurement information includes at least one item of the following airspace information, where the following airspace information includes:
  • the first information is received in at least one of the following information fields:
  • the first information is associated with at least one of the following information, where the following information includes:
  • the eighth information is associated with at least one of the following information including:
  • Reception-transmission time difference information corresponding to the eighth information Reception-transmission time difference information corresponding to the eighth information.
  • the positioning method further includes: receiving second threshold information reported by the terminal device;
  • the second threshold information and/or the fourth threshold information includes at least one of the following threshold information, where the following threshold information includes:
  • the relative power reference threshold information of the median path and the head path or the reference path or the relative energy reference threshold information of the median path and the head path or the reference path;
  • the relative power reference threshold information of the additional path and the first path or the reference path or the relative energy reference threshold information of the additional path and the first path or the reference path;
  • Power reference threshold information or energy reference threshold information are Power reference threshold information or energy reference threshold information
  • the positioning method further includes:
  • Receive fourth information reported by the base station where the fourth information is identified and determined by the base station, and the fourth information includes at least one of the following:
  • the second LOS/NLOS identifies quality or reliability.
  • the fourth information or the fifth information is also associated with at least one of the following information, where the following information includes:
  • Reception-transmission time difference information corresponding to the fourth information or the fifth information.
  • the positioning method further includes: sending third information to the terminal device and/or the base station, where the third information is identified and determined by the location management server LMF, and the third information includes At least one of the following:
  • the first LOS/NLOS identifies quality or reliability.
  • the third information is also associated with at least one of the following information, where the following information includes:
  • Reception-transmission time difference information corresponding to the third information Reception-transmission time difference information corresponding to the third information.
  • the positioning method further includes:
  • the seventh information includes at least one of the following:
  • the set of sending and receiving point TRPs used for positioning is the set of sending and receiving point TRPs used for positioning
  • the first threshold information and/or the third threshold information include at least one of the following threshold information, where the following threshold information includes:
  • the relative power reference threshold information of the median path and the head path or the reference path or the relative energy reference threshold information of the median path and the head path or the reference path;
  • the relative power reference threshold information of the additional path and the first path or the reference path or the relative energy reference threshold information of the additional path and the first path or the reference path;
  • Power reference threshold information or energy reference threshold information are Power reference threshold information or energy reference threshold information
  • the positioning method further includes:
  • the sixth information and/or the tenth information include at least one of the following:
  • the positioning method before receiving the first information reported by the terminal device, the positioning method further includes:
  • the method further includes:
  • the positioning method before delivering the second information to the terminal device, the positioning method further includes:
  • the method further includes:
  • Fourth request information is received, where the fourth request information is used to request the third threshold information from the location management server LMF.
  • the positioning method further includes:
  • the positioning method on the LMF side of the location management server provided by the embodiment of the present application is executed by the location management server LMF
  • the data, related definitions and processing methods exchanged between the above-mentioned terminal equipment side and the base station side are the same, and can be Referring to the above embodiments, the same technical effect can be achieved. To avoid repetition, the repetition is not repeated here.
  • the execution body may be a positioning device, or a control module in the positioning device for executing the positioning method.
  • the positioning device provided by the embodiment of the present application is described by taking the positioning device executing the positioning method as an example.
  • a fifth receiving module configured to receive first information reported by a terminal device, where the first information is determined by the terminal device, and the first information includes at least two items of the following information, where the following information includes: first frequency domain measurement information, first time domain measurement information, and first space domain measurement information;
  • a fifth sending module configured to send second information to the terminal device, where the second information includes first threshold information
  • a sixth receiving module configured to receive eighth information reported by the base station, where the eighth information is determined by the base station, the eighth information includes at least two of the following information, and the following information includes: a second frequency domain measurement information, second time domain measurement information, and second space domain measurement information;
  • a sixth sending module configured to send ninth information to the base station, where the ninth information includes third threshold information
  • the first information, the second information, the eighth information and the ninth information are used to determine the location information.
  • the first frequency domain measurement information is determined by the terminal device
  • the second frequency domain measurement information is determined by the base station
  • the first frequency domain measurement information and/or the The second frequency domain measurement information includes at least one item of the following frequency domain information, where the following frequency domain information includes:
  • the energy value or power value of the frequency domain channel
  • a reference range value for channel energy or power in the frequency domain is a reference range value for channel energy or power in the frequency domain.
  • the first time domain measurement information is determined by the terminal device
  • the second time domain measurement information is determined by the base station
  • the first time domain measurement information and/or the The second time domain measurement information includes at least one item of the following time domain information, where the following time domain information includes:
  • the first airspace measurement information is determined by the terminal device
  • the second airspace measurement information is determined by the base station
  • the first airspace measurement information and/or the second airspace measurement information includes at least one item of the following airspace information, where the following airspace information includes:
  • the first information is received in at least one of the following information fields:
  • the first information is associated with at least one of the following information, where the following information includes:
  • the eighth information is associated with at least one of the following information including:
  • Reception-transmission time difference information corresponding to the eighth information Reception-transmission time difference information corresponding to the eighth information.
  • the fifth sending module is further configured to: receive the second threshold information reported by the terminal device;
  • the second threshold information and/or the fourth threshold information includes at least one of the following threshold information, where the following threshold information includes:
  • the relative power reference threshold information of the median path and the head path or the reference path or the relative energy reference threshold information of the median path and the head path or the reference path;
  • the relative power reference threshold information of the additional path and the first path or the reference path or the relative energy reference threshold information of the additional path and the first path or the reference path;
  • Power reference threshold information or energy reference threshold information are Power reference threshold information or energy reference threshold information
  • the fifth receiving module is also used for:
  • Receive fourth information reported by the base station where the fourth information is identified and determined by the base station, and the fourth information includes at least one of the following:
  • the second LOS/NLOS identifies quality or reliability.
  • the fourth information or the fifth information is also associated with at least one of the following information, where the following information includes:
  • Reception-transmission time difference information corresponding to the fourth information or the fifth information.
  • the fifth sending module is further configured to: send third information to the terminal device and/or the base station, where the third information is identified and determined by the location management server LMF,
  • the third information includes at least one of the following:
  • the first LOS/NLOS identifies quality or reliability.
  • the third information is also associated with at least one of the following information, where the following information includes:
  • Reception-transmission time difference information corresponding to the third information Reception-transmission time difference information corresponding to the third information.
  • the fifth sending module is further configured to:
  • the seventh information includes at least one of the following:
  • the set of sending and receiving point TRPs used for positioning is the set of sending and receiving point TRPs used for positioning
  • the first threshold information and/or the third threshold information include at least one of the following threshold information, where the following threshold information includes:
  • the relative power reference threshold information of the median path and the head path or the reference path or the relative energy reference threshold information of the median path and the head path or the reference path;
  • the relative power reference threshold information of the additional path and the first path or the reference path or the relative energy reference threshold information of the additional path and the first path or the reference path;
  • Power reference threshold information or energy reference threshold information are Power reference threshold information or energy reference threshold information
  • the fifth sending module is further configured to:
  • the sixth sending module is further configured to: send tenth information to the base station;
  • the sixth information and/or the tenth information include at least one of the following:
  • the positioning device further includes:
  • a seventh sending module configured to send first request information, where the first request information is used to request the terminal device to report the first information
  • the third request information is used to send third request information, where the third request information is used to request the base station to report the eighth information.
  • the positioning device further includes:
  • a seventh receiving module configured to receive second request information, where the second request information is used to request the first threshold information from the location management server LMF;
  • the fourth request information is used to request the third threshold information from the location management server LMF.
  • the positioning device further includes:
  • the second communication module is configured to communicate with the terminal device about the capability, the capability includes whether to support LOS/NLOS identification.
  • the positioning device in this embodiment of the present application may be a device, or may be a component, an integrated circuit, or a chip in an LMF.
  • the device may be a device for positioning, etc., which is not specifically limited in this embodiment of the present application.
  • the positioning device in this embodiment of the present application may be a device with an operating system.
  • the operating system may be an Android (Android) operating system, an IOS operating system, or other possible operating systems, which are not specifically limited in the embodiments of the present application.
  • the positioning apparatus provided in this embodiment of the present application can implement each process implemented in FIGS. 5-7 and the above-mentioned LMF side positioning method embodiments, and achieve the same technical effect. To avoid repetition, details are not repeated here.
  • the following downlink positioning process can be performed:
  • the UE reports the first information
  • the first information includes frequency domain measurement information and time domain measurement information, specifically the maximum value of the channel energy/power in the frequency domain, the minimum value of the channel energy/power in the frequency domain, the median path and the first path
  • the first information includes frequency-domain measurement information and space-domain measurement information, specifically the reference value of the frequency-domain channel energy/power, the minimum value of the frequency-domain channel energy/power, and the first information on the antenna elements in the same polarization direction. Reference range value of radial power/energy and reference range value of first-path phase on antenna elements with different polarization directions;
  • the UE reports the second threshold information to the LMF.
  • the LMF performs LOS/NLOS identification on each TRP according to the first information (and the second threshold information) reported by the UE, or determines whether the TRP can be used for positioning, and then performs position calculation.
  • the LMF sends the seventh information to the UE, where the seventh information is the TRP set and/or resource set set that can be used for positioning determined according to the LOS/NLOS identification information, or the TRP priority and/or resource set priority class.
  • the following downlink positioning process can be performed:
  • the UE receives second information, the second information includes first threshold information, and the first threshold information includes frequency domain power/energy threshold information, frequency domain power/energy range threshold information, power/energy range threshold information and phase range threshold information.
  • the UE judges the LOS/NLOS state of each TRP according to the first threshold information.
  • the difference is less than the frequency domain power/energy range threshold information, and the power/energy difference of the TRP head path on the antennas in the same polarization direction is smaller than the power/energy range threshold information, and the TRP head path is in different polarization directions. If the phase on the antenna is less than the phase range threshold information, it is judged that the TRP is LOS, otherwise it is NLOS.
  • the UE reports fifth information to the network side according to the identification situation, where the fifth information includes at least one of LOS/NLOS status information and LOS/NLOS identification quality or reliability.
  • the LMF selects the corresponding TRP for location calculation.
  • the LMF issues the seventh information to the UE, wherein the seventh information is the TRP set and/or resource set set that can be used for positioning determined according to the LOS/NLOS identification information, or the TRP priority and/or resource set priority class.
  • the seventh information is the TRP set and/or resource set set that can be used for positioning determined according to the LOS/NLOS identification information, or the TRP priority and/or resource set priority class.
  • the following downlink positioning process can be performed:
  • the UE receives the third information sent by the LMF.
  • the UE performs LOS/NLOS identification according to the third information in combination with its own measurement information.
  • the UE reports fifth information to the LMF according to the identification situation, where the fifth information includes at least one of LOS/NLOS status information and LOS/NLOS identification quality or reliability.
  • the LMF selects the corresponding TRP for location calculation.
  • the LMF sends the seventh information to the UE, where the seventh information is the TRP set and/or resource set set that can be used for positioning determined according to the LOS/NLOS identification information, or the TRP priority and/or resource set priority class.
  • the following downlink positioning process can be performed:
  • the UE receives the third information and the second information delivered by the LMF.
  • the UE performs LOS/NLOS identification according to the third information in combination with its own measurement information and the second information.
  • the UE reports fifth information to the network side according to the identification situation, where the fifth information includes at least one of LOS/NLOS status information and LOS/NLOS identification quality or reliability.

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

La présente demande concerne un procédé et un appareil de positionnement, un dispositif terminal, une station de base et un serveur de gestion de position. Le procédé de positionnement exécuté par le dispositif terminal consiste à : envoyer des premières informations à un dispositif côté réseau, les premières informations comprenant au moins deux des informations suivantes : des premières informations de mesurage de domaine fréquentiel, des premières informations de mesurage de domaine temporel et des premières informations de mesurage de domaine spatial ; et/ou recevoir des secondes informations émises par le dispositif côté réseau, les secondes informations comprenant des premières informations de seuil, et les premières informations et les secondes informations étant utilisées pour déterminer des informations de position.
PCT/CN2021/130969 2020-11-18 2021-11-16 Procédé et appareil de positionnement, dispositif terminal, station de base et serveur de gestion de position WO2022105756A1 (fr)

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