WO2019136663A1 - 多连接网络中的定位方法、终端设备和定位管理功能实体 - Google Patents

多连接网络中的定位方法、终端设备和定位管理功能实体 Download PDF

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Publication number
WO2019136663A1
WO2019136663A1 PCT/CN2018/072234 CN2018072234W WO2019136663A1 WO 2019136663 A1 WO2019136663 A1 WO 2019136663A1 CN 2018072234 W CN2018072234 W CN 2018072234W WO 2019136663 A1 WO2019136663 A1 WO 2019136663A1
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WIPO (PCT)
Prior art keywords
positioning
terminal device
rat
node
management function
Prior art date
Application number
PCT/CN2018/072234
Other languages
English (en)
French (fr)
Inventor
杨宁
Original Assignee
Oppo广东移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to CA3086702A priority Critical patent/CA3086702A1/en
Priority to AU2018401423A priority patent/AU2018401423B2/en
Priority to BR112020012794-9A priority patent/BR112020012794A2/pt
Priority to EP18900419.5A priority patent/EP3713259B1/en
Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to MX2020007475A priority patent/MX2020007475A/es
Priority to RU2020122153A priority patent/RU2758592C1/ru
Priority to JP2020537660A priority patent/JP7047104B2/ja
Priority to CN201880064375.0A priority patent/CN111164994A/zh
Priority to KR1020207018877A priority patent/KR102382502B1/ko
Priority to PCT/CN2018/072234 priority patent/WO2019136663A1/zh
Priority to SG11202005679YA priority patent/SG11202005679YA/en
Priority to CN202010390699.2A priority patent/CN111541992B/zh
Publication of WO2019136663A1 publication Critical patent/WO2019136663A1/zh
Priority to US16/882,643 priority patent/US11160127B2/en
Priority to US17/496,629 priority patent/US20220030654A1/en

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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
    • H04W64/006—Locating users or terminals or network equipment for network management purposes, e.g. mobility management with additional information processing, e.g. for direction or speed determination
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/15—Setup of multiple wireless link connections
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/0009—Transmission of position information to remote stations
    • G01S5/0018—Transmission from mobile station to base station
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/0205—Details
    • G01S5/0226—Transmitters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/0257—Hybrid positioning
    • G01S5/0263—Hybrid positioning by combining or switching between positions derived from two or more separate positioning systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H04W4/025—Services making use of location information using location based information parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/20—Selecting an access point
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/004—Synchronisation arrangements compensating for timing error of reception due to propagation delay
    • H04W56/005—Synchronisation arrangements compensating for timing error of reception due to propagation delay compensating for timing error by adjustment in the receiver
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/11—Allocation or use of connection identifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/27—Transitions between radio resource control [RRC] states
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/15—Setup of multiple wireless link connections
    • H04W76/16—Involving different core network technologies, e.g. a packet-switched [PS] bearer in combination with a circuit-switched [CS] bearer
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W92/00—Interfaces specially adapted for wireless communication networks
    • H04W92/04—Interfaces between hierarchically different network devices
    • H04W92/10—Interfaces between hierarchically different network devices between terminal device and access point, i.e. wireless air interface

Definitions

  • the embodiments of the present application relate to the field of communications, and in particular, to a positioning method, a terminal device, and a positioning management function entity in a multi-connection network.
  • Positioning is the basic requirement of the communication system.
  • LMF Location Management Function
  • NAS non-access stratum
  • the message is included in a Radio Resource Control (RRC) message for transmission.
  • RRC Radio Resource Control
  • the terminal usually locates the terminal by using a radio access technology (Radio Access Technology, RAT) used by the RRC-connected node, and performs transmission and interaction of the positioning message with the LMF entity, thereby causing inflexibility of the positioning operation.
  • RAT Radio Access Technology
  • the embodiment of the present application provides a positioning method, a terminal device, and a positioning management function entity in a multi-connection network, which is beneficial to improving the flexibility of the positioning operation.
  • the first aspect provides a positioning method in a multi-connection network, where the positioning method includes: the terminal device performs positioning by using a first radio access technology RAT; and the terminal device performs positioning management by using a signaling connection terminated by the second RAT.
  • the functional entity sends a positioning message of the terminal device.
  • the positioning message of the terminal device includes a positioning parameter of a cell corresponding to a node of the first RAT.
  • the node corresponding to the first RAT is a secondary node in the multi-connection network that provides service for the terminal device.
  • Positioning through the secondary node is beneficial to improve the operability and accuracy of the terminal positioning.
  • the location message of the terminal device further includes a positioning parameter of a cell corresponding to a node of the second RAT.
  • the node corresponding to the second RAT is a primary node in the multi-connection network that provides service for the terminal device.
  • the positioning message is transmitted by the master node, so that the terminal can still perform the positioning operation by using the RAT of the secondary node without the RRC connection with the secondary node.
  • the terminal device sends the location message of the terminal device to the location management function entity by using a signaling connection terminated by the second RAT, where the terminal device controls the RRC layer by using the radio resource of the master node. Sending a location message of the terminal device to the positioning management function entity.
  • the positioning message of the terminal device includes at least one of the following parameters: an uplink and downlink arrival time difference TDoA, a global navigation satellite system GNSS, and a cell identification ID.
  • the first RAT is a long-term evolution LTE
  • the second RAT is a new air interface NR
  • the first RAT is a new air interface NR
  • the second RAT is a long-term evolution LTE
  • the second aspect provides a positioning method in a multi-connection network, where the positioning method includes: the positioning management function entity receives a positioning message of the terminal device that is sent by the terminal device by using a signaling connection terminated by the second radio access technology RAT.
  • the positioning management function entity locates the terminal device according to the positioning message of the terminal device.
  • the positioning message of the terminal device includes a positioning parameter of a cell corresponding to a node of the first RAT, where the terminal device is located by using the first RAT.
  • the node corresponding to the first RAT is a secondary node in the multi-connection network that provides service for the terminal device.
  • the location message of the terminal device further includes a positioning parameter of a cell corresponding to a node of the second RAT.
  • the node corresponding to the second RAT is a primary node in the multi-connection network that provides service for the terminal device.
  • the positioning message of the terminal device includes a positioning parameter of each of the multiple cells
  • the method further includes: the positioning management function entity selects a target cell from the multiple cells; the positioning management The function entity locates the terminal device according to the positioning message of the terminal device, and the positioning management function entity locates the terminal device according to the positioning parameter of the target cell.
  • the location information of the terminal device includes at least one of the following parameters: an uplink and downlink arrival time difference TDoA, a global navigation satellite system GNSS, and a cell identification ID.
  • the first RAT is a long-term evolution LTE
  • the second RAT is a new air interface NR
  • the first RAT is a new air interface NR
  • the second RAT is a long-term evolution LTE
  • a terminal device for performing the method of any of the above first aspect or any of the possible implementations of the first aspect.
  • the terminal device comprises means for performing the method of any of the above-described first aspect or any of the possible implementations of the first aspect.
  • a positioning management function entity for performing the method in any of the above-mentioned second aspect or any possible implementation of the second aspect.
  • the location management function entity comprises means for performing the method of any of the above-described second aspect or any of the possible implementations of the second aspect.
  • a terminal device comprising: a memory, a processor, an input interface, and an output interface.
  • the memory, the processor, the input interface, and the output interface are connected by a bus system.
  • the memory is for storing instructions for executing the memory stored instructions for performing the method of any of the first aspect or the first aspect of the first aspect.
  • a positioning management function entity comprising: a memory, a processor, an input interface, and an output interface.
  • the memory, the processor, the input interface, and the output interface are connected by a bus system.
  • the memory is for storing instructions for executing the memory stored instructions for performing the method of any of the above-described second aspect or any of the possible implementations of the second aspect.
  • a computer storage medium for storing the method in any of the above possible implementations of the first aspect or the first aspect, or any possible implementation of the second or second aspect
  • Computer software instructions for use in the method of the present invention including programs designed to perform the various aspects described above.
  • a computer program product comprising instructions, when executed on a computer, causes the computer to perform the method of any of the first aspect or the optional implementation of the first aspect, or the second Aspect or method of any alternative implementation of the second aspect.
  • the names of the terminal device and the LMF entity and the like are not limited to the device or the entity itself. In actual implementation, the devices or entities may appear under other names. As long as the functions of the respective devices are similar to the present application, they are within the scope of the claims and their equivalents.
  • FIG. 1 is a schematic diagram of an application scenario of an embodiment of the present application.
  • FIG. 2 is a schematic block diagram of a protocol stack in a 5G architecture of an embodiment of the present application.
  • FIG. 3 is a schematic block diagram of a positioning method in a multi-connection network according to an embodiment of the present application.
  • FIG. 4 is another schematic block diagram of a positioning method in a multi-connection network according to an embodiment of the present application.
  • FIG. 5 is a schematic block diagram of a terminal device of an embodiment of the present application.
  • FIG. 6 is a schematic block diagram of a positioning management function entity of an embodiment of the present application.
  • FIG. 7 is another schematic block diagram of a terminal device according to an embodiment of the present application.
  • FIG. 8 is another schematic block diagram of a positioning management function entity of an embodiment of the present application.
  • GSM Global System of Mobile communication
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • UMTS Universal Mobile Telecommunication System
  • WiMAX Worldwide Interoperability for Microwave Access
  • the technical solutions of the embodiments of the present application can be applied to various communication systems based on non-orthogonal multiple access technologies, such as a sparse code multiple access (SCMA) system, and a low-density signature (Low). Density Signature (LDS) system, etc., of course, the SCMA system and the LDS system may also be referred to as other names in the communication field; further, the technical solution of the embodiment of the present application can be applied to multi-carrier using non-orthogonal multiple access technology.
  • SCMA sparse code multiple access
  • LDS Density Signature
  • Orthogonal Frequency Division Multiplexing OFDM
  • Filter Bank Multi-Carrier FBMC
  • General Frequency Division Multiplexing Generalized Frequency Division Multiplexing (OFDM)) Frequency Division Multiplexing (GFDM)
  • Filtered Orthogonal Frequency Division Multiplexing Filtered-OFDM, F-OFDM
  • the terminal device in the embodiment of the present application may refer to a user equipment (User Equipment, UE), an access terminal, a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, a remote terminal, a mobile device, a user terminal, a terminal, and a wireless device.
  • Communication device user agent or user device.
  • the access terminal may be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), with wireless communication.
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • the network device in the embodiment of the present application may be a device for communicating with a terminal device, where the network device may be a Base Transceiver Station (BTS) in GSM or CDMA, or may be a base station (NodeB, NB) in a WCDMA system. And may be an evolved base station (eNB or eNodeB) in the LTE system, or may be a wireless controller in a cloud radio access network (CRAN) scenario, or the network device may be The embodiments of the present application are not limited to the relay station, the access point, the in-vehicle device, the wearable device, and the network device in the future 5G network or the network device in the future evolved PLMN network.
  • BTS Base Transceiver Station
  • NodeB NodeB
  • NB base station
  • CRAN cloud radio access network
  • the embodiments of the present application are not limited to the relay station, the access point, the in-vehicle device, the wearable device, and the network device in the future 5G network or
  • FIG. 1 shows a schematic diagram of an application scenario of the present application.
  • the node around the terminal device 130 includes a master node 110 and at least one secondary node 120.
  • the at least one secondary node 120 is respectively connected to the primary node 110 to form a multi-connection, and is respectively connected to the terminal device 130 to provide services thereto.
  • the primary node 110 can be an LTE network
  • the secondary node 120 can be an NR network.
  • the primary node 110 may be an NR network
  • the secondary node 120 may be an LTE network.
  • the master node 110 and the secondary node 120 are both NR networks.
  • the application scenario of the technical solution is not limited in this application.
  • the terminal device 130 can establish a connection at the same time through the master node 110 and the secondary node 120.
  • the connection established by the terminal device 130 and the master node 110 is a primary connection
  • the connection established between the terminal device 130 and the secondary node 120 is a secondary connection.
  • the control signaling of the terminal device 130 can be transmitted through the primary connection
  • the data of the terminal device can be transmitted simultaneously through the primary connection and the secondary connection, or can be transmitted only through the secondary connection.
  • the master node 110 may select the secondary node 120 that satisfies the preset condition to transmit the data of the terminal device 130, so that the load of the master node 110 can be further alleviated.
  • the preset condition may be that the link quality between the secondary node 120 and the terminal device 130 satisfies the data transmission condition.
  • the secondary node 120 can be flexibly deployed according to service requirements and user density. Its role may be to assist the primary node 110 to share data.
  • the deployment of the secondary node 120 may be discontinuous, and the adjacent secondary cells may also have a large area overlap. This embodiment of the present application does not limit this.
  • the primary node may be, for example, a macrocell
  • the secondary node may be, for example, a microcell, a picocell, or a femtocell. Not limited to this.
  • the primary node may be an LTE node, and the secondary node is an NR node, and the primary node and the secondary node may also be NR nodes.
  • the embodiment of the present invention is not limited thereto, and the primary node may also be a GSM network device, a CDMA network device, or the like, and the secondary node may also be a GSM network device, a CDMA network device, etc., which is not limited in this embodiment of the present application. .
  • a core network node may also be included.
  • the core network node may be a 5G core network node, for example, an Access and Mobility Management Function (AMF), and, for example, a Session Management Function (SMF).
  • the core network node may also be an Evolved Packet Core (EPC) of the LTE network, for example, a session management function + a core network side data gateway (Session Management Function+Core Packet Gateway, SMF+PGW- C).
  • EPC Evolved Packet Core
  • the LTE system supports different positioning mechanisms, including a RAT-related positioning mechanism and a RAT-independent positioning mechanism.
  • RAT-related positioning mechanisms include triangulation mechanisms such as Time Difference of Arrival (TDoA) and downlink TDoA and relatively simple cell identification (ID) positioning.
  • RAT-independent positioning includes Global Navigation Satellite System (Global Navigation Satellite System). Satellite System, GNSS).
  • LPP Lightweight Presentation Protocol
  • LPPa protocol is the main protocol used to support the positioning mechanism.
  • the LPP/LPPa message is transmitted from the terminal to the network side in the manner of NAS, and the network side can be a Gateway Mobile Location Center (GMLC).
  • GMLC Gateway Mobile Location Center
  • the LPP/LPPa message is usually a location message of the terminal device.
  • an LMF entity is introduced, which is used to implement positioning operations on the terminal device.
  • the protocol stack in the 5G architecture is briefly described in conjunction with FIG. 2.
  • the protocol layer between the UE and the Radio Access Network (RAN) includes a physical (PHY) layer, a Medium Access Control (MAC) layer, and a Radio Link Control (RLC). Packet Data Convergence Protocol (PDCP) and RRC layer.
  • the protocol layer between the UE and the AMF includes the NAS layer, and the protocol layer between the UE and the LMF includes the LPP layer.
  • the LPP message may be included in the RRC message for transmission in the air interface as the payload message of the NAS.
  • the RRC connection Since, in a dual connectivity network, the RRC connection is present on one node and not necessarily on the other.
  • the terminal usually locates the terminal by using the RAT used by the node with the RRC connection and performs the transmission and interaction of the positioning message with the LMF entity, thereby causing the positioning operation to be inflexible. That is, the RAT for positioning is bundled with the RAT for transmitting the positioning message, and the solution of the embodiment of the present application can decouple the RAT for positioning and the RAT for transmitting the positioning message, thereby implementing Flexible positioning operations.
  • FIG. 3 shows a schematic block diagram of a positioning method 200 in a multi-connection network of an embodiment of the present application. As shown in FIG. 3, the positioning method 200 includes:
  • the terminal device performs positioning by using a first radio access technology RAT.
  • the terminal device sends a location message of the terminal device to the positioning management function entity by using a signaling connection terminated by the second RAT.
  • the terminal device can interact with a node using the first RAT and a node using the second RAT, respectively.
  • the positioning parameter of the cell used by the terminal device can be considered as the positioning parameter of some cells under the node using the first RAT.
  • the terminal device can send the location message of the terminal device to the positioning management function entity by using the signaling of the second RAT on the air interface.
  • the terminal devices are respectively connected to a primary node and a secondary node, wherein the primary node and the secondary node respectively use different RATs, and the terminal device can be located through the secondary node, and through the primary node
  • the signaling connection between the terminals sends a positioning message of the terminal device to the positioning management function entity.
  • the positioning method in the multi-connection network of the embodiment of the present application is more advantageous for improving the flexibility of the positioning operation by decoupling the RAT for positioning and the RAT for transmitting the positioning message.
  • the location message of the terminal device includes a positioning parameter of a cell corresponding to a node of the first RAT.
  • the terminal device may send the positioning parameter of the cell corresponding to the RAT used for the positioning to the positioning management function entity, so that the positioning management function entity also uses the positioning parameter of the cell to the terminal.
  • the device is positioned.
  • the terminal devices are respectively connected to a primary node and a secondary node, wherein the primary node and the secondary node respectively use different RATs, and the primary node has one cell, that is, a primary cell, and the secondary node also has a The cell, that is, the secondary cell, if the terminal device uses the positioning parameter of the secondary cell for positioning, the terminal device may use the signaling of the primary node to send the positioning parameter of the secondary cell to the positioning management function entity.
  • the node corresponding to the first RAT is a secondary node in the multi-connection network that provides service for the terminal device.
  • EN-DC the master node adopts LTE
  • the secondary node adopts NR. Since the LTE cell is the primary cell and the coverage area is large, the NR cell is a secondary cell, and the coverage area is relatively small. Therefore, if the cell ID of the secondary cell is used, To achieve positioning, you can achieve higher accuracy.
  • the NE-DC the master node adopts NR, and the secondary node adopts LTE. Since the NR is the primary cell, and there may be some terminal devices that do not support the positioning mechanism in the NR primary cell, the LTE secondary cell may be used. Positioning is only possible to complete the positioning.
  • the location message of the terminal device further includes a positioning parameter of a cell corresponding to the node of the second RAT.
  • the terminal device can also report the positioning parameters of the cells of the plurality of nodes using different RATs connected by the terminal device. For example, the terminal device can simultaneously report the positioning parameter of the NR cell and the positioning parameter of the LTE cell to the positioning management function entity. It should be understood that there may be multiple cells under each node, that is, the terminal device may simultaneously send positioning parameters of multiple cells to the positioning management function entity, and the network device may select a positioning parameter of one cell from the network device. The terminal device performs positioning.
  • the location management function entity may select the cell ID of each cell, or may carry the identity of each cell in the location message of the terminal device, or may indicate the primary cell and the secondary cell only in the location message, which is specific The secondary cell does not make a difference.
  • the node corresponding to the second RAT is a primary node in the multi-connection network that provides service for the terminal device.
  • the terminal device sends the location message of the terminal device to the location management function entity by using the signaling connection terminated by the second RAT, where the terminal device controls the radio resource of the master node by using the radio resource of the master node.
  • the RRC layer sends a positioning message of the terminal device to the positioning management function entity.
  • the RRC connection for transmitting the positioning message is always present on the primary node, and the terminal device can directly send the positioning parameter of the cell on the secondary node to the positioning management function entity through the signaling of the primary node.
  • the terminal device may send the positioning parameter of the secondary cell of the secondary node to the positioning management function entity through the RRC layer of the primary cell of the primary node.
  • the positioning message is transmitted by the master node, so that the terminal can still perform the positioning operation by using the RAT of the secondary node without the RRC connection with the secondary node.
  • the location message of the terminal device includes at least one of the following parameters: an uplink and downlink arrival time difference TDoA, a global navigation satellite system GNSS, and a cell identification ID.
  • TDoA uplink and downlink arrival time difference
  • GNSS global navigation satellite system
  • the positioning message of the terminal device may also include parameters in other positioning mechanisms, and the embodiment of the present application is not limited thereto.
  • FIG. 4 shows a schematic block diagram of a positioning method 300 in a multi-connection network of an embodiment of the present application. As shown in FIG. 4, the positioning method 300 includes some or all of the following contents:
  • the positioning management function entity receives a positioning message of the terminal device that is sent by the terminal device by using a signaling connection terminated by the second radio access technology RAT.
  • the positioning management function entity locates the terminal device according to the positioning message of the terminal device.
  • the positioning method in the multi-connection network of the embodiment of the present application is more advantageous for improving the flexibility of the positioning operation by decoupling the RAT for positioning and the RAT for transmitting the positioning message.
  • the location message of the terminal device includes a positioning parameter of a cell corresponding to a node of the first RAT, where the terminal device is located by using the first RAT.
  • the node corresponding to the first RAT is a secondary node in the multi-connection network that provides service for the terminal device.
  • the location message of the terminal device further includes a positioning parameter of a cell corresponding to the node of the second RAT.
  • the node corresponding to the second RAT is a primary node in the multi-connection network that provides service for the terminal device.
  • the positioning message of the terminal device includes a positioning parameter of each of the multiple cells
  • the method further includes: the positioning management function entity selecting a target cell from the multiple cells; The positioning management function entity locates the terminal device according to the positioning message of the terminal device, and the positioning management function entity locates the terminal device according to the positioning parameter of the target cell.
  • the location message of the terminal device includes at least one of the following parameters: an uplink and downlink arrival time difference TDoA, a global navigation satellite system GNSS, and a cell identification ID.
  • TDoA uplink and downlink arrival time difference
  • GNSS global navigation satellite system
  • the first RAT is a long-term evolution LTE
  • the second RAT is a new air interface NR
  • the first RAT is a new air interface NR
  • the second RAT is a long-term evolution LTE
  • positioning management function entity and the terminal device described by the positioning management function entity and related features, functions, and the like correspond to related characteristics and functions of the terminal device.
  • the related content has been described in detail in the above method 200. For brevity, no further details are provided herein.
  • the size of the sequence numbers of the above processes does not mean the order of execution, and the order of execution of each process should be determined by its function and internal logic, and should not be implemented in the present application.
  • the implementation of the examples constitutes any limitation.
  • the positioning method in the multi-connection network according to the embodiment of the present application is described in detail above.
  • the positioning device in the multi-connection network according to the embodiment of the present application will be described below with reference to FIG. 5 to FIG. 8 .
  • the features apply to the following device embodiments.
  • FIG. 5 shows a schematic block diagram of a terminal device 400 of an embodiment of the present application.
  • the terminal device 400 includes:
  • a positioning unit 410 configured to perform positioning by using a first radio access technology RAT
  • the sending unit 420 is configured to send, by using a signaling connection terminated by the second RAT, a positioning message of the terminal device to the positioning management function entity.
  • the terminal device in the embodiment of the present application is more advantageous in improving the flexibility of the positioning operation by decoupling the RAT for positioning and the RAT for transmitting the positioning message.
  • terminal device 400 may correspond to the terminal device in the method embodiment of the present application, and the foregoing and other operations and/or functions of the respective units in the terminal device 400 respectively implement the terminal in the method of FIG.
  • the corresponding process of the device is not described here for brevity.
  • FIG. 6 shows a schematic block diagram of a location management function entity 500 of an embodiment of the present application.
  • the positioning management function entity 500 includes:
  • the receiving unit 510 is configured to receive a positioning message of the terminal device that is sent by the terminal device by using a signaling connection terminated by the second radio access technology RAT;
  • the positioning unit 520 is configured to locate the terminal device according to the positioning message of the terminal device.
  • the positioning management function entity of the embodiment of the present application is more advantageous for improving the flexibility of the positioning operation by decoupling the RAT for positioning and the RAT for transmitting the positioning message.
  • location management function entity 500 may correspond to the location management function entity in the method embodiment of the present application, and the foregoing operations and/or functions of the respective units in the location management function entity 500 are respectively The corresponding process of the positioning management function entity in the method of FIG. 4 is implemented, and is not described here for brevity.
  • the embodiment of the present application further provides a terminal device 600, which may be the terminal device 400 in FIG. 5, which can be used to execute the content of the terminal device corresponding to the method 200 in FIG. .
  • the terminal device 600 includes an input interface 610, an output interface 620, a processor 630, and a memory 640.
  • the input interface 610, the output interface 620, the processor 630, and the memory 640 can be connected through a bus system.
  • the memory 640 is used to store programs, instructions or code.
  • the processor 630 is configured to execute a program, an instruction or a code in the memory 640 to control the input interface 610 to receive a signal, control the output interface 620 to send a signal, and complete the operations in the foregoing method embodiments.
  • the terminal device in the embodiment of the present application is more advantageous in improving the flexibility of the positioning operation by decoupling the RAT for positioning and the RAT for transmitting the positioning message.
  • the processor 630 may be a central processing unit (CPU), and the processor 630 may also be another general-purpose processor, a digital signal processor (DSP). , Application Specific Integrated Circuit (ASIC), Field Programmable Gate Array (FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware component, etc.
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • the memory 640 can include read only memory and random access memory and provides instructions and data to the processor 630. A portion of the memory 640 can also include a non-volatile random access memory. For example, the memory 640 can also store information of the device type.
  • each content of the above method may be completed by an integrated logic circuit of hardware in the processor 630 or an instruction in the form of software.
  • the content of the method disclosed in the embodiments of the present application may be directly implemented as a hardware processor, or may be performed by a combination of hardware and software modules in the processor.
  • the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in the memory 640, and the processor 630 reads the information in the memory 640 and combines the hardware to complete the contents of the above method. To avoid repetition, it will not be described in detail here.
  • the positioning unit in the terminal device 400 can be implemented by the processor 630 in FIG. 7, and the transmitting unit of the terminal device 400 can be implemented by the output interface 620 in FIG.
  • the embodiment of the present application further provides a location management function entity 700, which may be the location management function entity 500 in FIG. 6 , which can be used to perform the method 300 in FIG. 4 .
  • the positioning management function entity 600 includes an input interface 610, an output interface 620, a processor 630, and a memory 640.
  • the input interface 610, the output interface 620, the processor 630, and the memory 640 can be connected by a bus system.
  • the memory 640 is used to store programs, instructions or code.
  • the processor 630 is configured to execute a program, an instruction or a code in the memory 640 to control the input interface 610 to receive a signal, control the output interface 620 to send a signal, and complete the operations in the foregoing method embodiments.
  • the positioning management function entity of the embodiment of the present application is more advantageous for improving the flexibility of the positioning operation by decoupling the RAT for positioning and the RAT for transmitting the positioning message.
  • the processor 630 may be a central processing unit (CPU), and the processor 630 may also be another general-purpose processor, a digital signal processor (DSP). , Application Specific Integrated Circuit (ASIC), Field Programmable Gate Array (FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware component, etc.
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • the memory 640 can include read only memory and random access memory and provides instructions and data to the processor 630. A portion of the memory 640 can also include a non-volatile random access memory. For example, the memory 640 can also store information of the device type.
  • each content of the foregoing method may be completed by an integrated logic circuit of hardware in the processor 630 or an instruction in a form of software.
  • the content of the method disclosed in the embodiments of the present application may be directly implemented as a hardware processor, or may be performed by a combination of hardware and software modules in the processor.
  • the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in the memory 640, and the processor 630 reads the information in the memory 640 and combines the hardware to complete the contents of the above method. To avoid repetition, it will not be described in detail here.
  • the positioning unit and the selecting unit in the positioning management function entity 500 can be implemented by the output interface 720 in FIG. 8, and the receiving unit in the positioning management function entity 500 can be implemented by the input interface 710 in FIG.
  • the disclosed systems, devices, and methods may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or may be Integrate into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • This functionality if implemented as a software functional unit and sold or used as a standalone product, can be stored on a computer readable storage medium.
  • the technical solution of the present application which is essential or contributes to the prior art, or a part of the technical solution, may be embodied in the form of a software product, which is stored in a storage medium, including The instructions are used to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of various embodiments of the present application.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like, which can store program codes. .

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Abstract

本申请实施例公开了一种多连接网络中的定位方法、终端设备和定位管理功能实体，该定位方法包括：终端设备通过第一无线接入技术RAT进行定位；该终端设备通过终结于第二RAT的信令连接向定位管理功能实体发送该终端设备的定位消息。本申请实施例的定位方法、终端设备和定位管理功能实体，通过将用于定位的RAT以及用于发送定位消息的RAT解耦，更有利于提高定位操作的灵活性。

Description

多连接网络中的定位方法、终端设备和定位管理功能实体 技术领域
本申请实施例涉及通信领域，并且更具体地，涉及一种多连接网络中的定位方法、终端设备和定位管理功能实体。
背景技术
定位是通信系统的基本需求，在5G架构中，引入了新的定位管理功能(Location Management Function，LMF)实体，并且终端的定位消息是作为非接入层(Non-access stratum，NAS)净荷消息包含在无线资源控制(Radio Resource Control，RRC)消息中进行传输。对于多连接网络，RRC连接在一个节点上是存在的，而在另一个节点上则不一定存在。现有技术中，终端通常采用具有RRC连接的节点所使用的无线接入技术(Radio Access Technology，RAT)对终端进行定位并与LMF实体进行定位消息的传输与交互，从而导致定位操作不灵活。
发明内容
有鉴于此，本申请实施例提供了一种多连接网络中的定位方法、终端设备和定位管理功能实体，有利于提高定位操作的灵活性。
第一方面，提供了一种多连接网络中的定位方法，该定位方法包括：终端设备通过第一无线接入技术RAT进行定位；该终端设备通过终结于第二RAT的信令连接向定位管理功能实体发送该终端设备的定位消息。
通过将用于定位的RAT以及用于发送定位消息的RAT解耦，更有利于提高定位操作的灵活性。
在一种可能的实现方式中，该终端设备的定位消息包括对应于该第一RAT的节点的小区的定位参数。
在一种可能的实现方式中，该对应于该第一RAT的节点为该多连接网络中为该终端设备提供服务的辅节点。
通过辅节点进行定位，有利于提高终端定位的可操作性以及准确度。
在一种可能的实现方式中，该终端设备的定位消息还包括对应于该第二RAT的节点的小区的定位参数。
在一种可能的实现方式中，该对应于该第二RAT的节点为该多连接网络中为该终端设备提供服务的主节点。
通过主节点传输定位消息，使得终端能够在和辅节点没有RRC连接的情况下，依然可以使用辅节点的RAT进行定位操作。
在一种可能的实现方式中，该终端设备通过终结于第二RAT的信令连接向定位管理功能实体发送该终端设备的定位消息，包括：该终端设备通过该主节点的无线资源控制RRC层向该定位管理功能实体发送该终端设备的定位消息。
在一种可能的实现方式中，该终端设备的定位消息包括以下参数中的至少一种参数：上下行到达时间差TDoA、全球导航卫星系统GNSS和小区标识ID。
在一种可能的实现方式中，该第一RAT为长期演进LTE，该第二RAT为新空口NR；或该第一RAT为新空口NR，该第二RAT为长期演进LTE。
第二方面，提供了一种多连接网络中的定位方法，该定位方法包括：定位管理功能实体接收终端设备通过终结于第二无线接入技术RAT的信令连接发送的该终端设备的定位消息；该定位管理功能实体根据该终端设备的定位消息，对该终端设备进行定位。
在一种可能的实现方式中，该终端设备的定位消息包括对应于第一RAT的节点的小区的定位参数，该终端设备是通过该第一RAT进行定位的。
在一种可能的实现方式中，该对应于该第一RAT的节点为该多连接网络中为该终端设备提供服务的辅节点。
在一种可能的实现方式中，该终端设备的定位消息还包括对应于该第二RAT的节点的小区的定位参数。
在一种可能的实现方式中，该对应于该第二RAT的节点为该多连接网络中为该终端设备提供服务的主节点。
在一种可能的实现方式中，该终端设备的定位消息包括多个小区中每个小区的定位参数，该方法还包括：该定位管理功能实体从该多个小区中选择目标小区；该定位管理功能实体根据该终端设备的定位消息，对该终端设备进行定位，包括：该定位管理功能实体根据该目标小区的定位参数，对该终端设备进行定位。
在一种可能的实现方式中，该终端设备的定位消息包括以下参数中的至 少一种参数：上下行到达时间差TDoA、全球导航卫星系统GNSS和小区标识ID。
在一种可能的实现方式中，该第一RAT为长期演进LTE，该第二RAT为新空口NR；或该第一RAT为新空口NR，该第二RAT为长期演进LTE。
第三方面，提供了一种终端设备，用于执行上述第一方面或第一方面的任意可能的实现方式中的方法。具体地，该终端设备包括用于执行上述第一方面或第一方面的任意可能的实现方式中的方法的单元。
第四方面，提供了一种定位管理功能实体，用于执行上述第二方面或第二方面的任意可能的实现方式中的方法。具体地，该定位管理功能实体包括用于执行上述第二方面或第二方面的任意可能的实现方式中的方法的单元。
第五方面，提供了一种终端设备，该终端设备包括：存储器、处理器、输入接口和输出接口。其中，存储器、处理器、输入接口和输出接口通过总线系统相连。该存储器用于存储指令，该处理器用于执行该存储器存储的指令，用于执行上述第一方面或第一方面的任意可能的实现方式中的方法。
第六方面，提供了一种定位管理功能实体，该定位管理功能实体包括：存储器、处理器、输入接口和输出接口。其中，存储器、处理器、输入接口和输出接口通过总线系统相连。该存储器用于存储指令，该处理器用于执行该存储器存储的指令，用于执行上述第二方面或第二方面的任意可能的实现方式中的方法。
第七方面，提供了一种计算机存储介质，用于储存为执行上述第一方面或第一方面的任意可能的实现方式中的方法，或者上述第二方面或第二方面的任意可能的实现方式中的方法所用的计算机软件指令，其包含用于执行上述各方面所设计的程序。
第八方面，提供了一种包括指令的计算机程序产品，当其在计算机上运行时，使得计算机执行上述第一方面或第一方面的任一可选的实现方式中的方法，或者上述第二方面或第二方面的任一可选的实现方式中的方法。
本申请中，终端设备以及LMF实体等的名字对设备或实体本身不构成限定，在实际实现中，这些设备或实体可以以其他名称出现。只要各个设备的功能和本申请类似，属于本申请权利要求及其等同技术的范围之内。
本申请的这些方面或其他方面在以下实施例的描述中会更加简明易懂。
附图说明
图1示出了本申请实施例一个应用场景的示意图。
图2示出了本申请实施例的5G架构中协议栈的示意性框图。
图3示出了本申请实施例的多连接网络中的定位方法的示意性框图。
图4示出了本申请实施例的多连接网络中的定位方法的另一示意性框图。
图5示出了本申请实施例的终端设备的示意性框图。
图6示出了本申请实施例的定位管理功能实体的示意性框图。
图7示出了本申请实施例的终端设备的另一示意性框图。
图8示出了本申请实施例的定位管理功能实体的另一示意性框图。
具体实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述。
应理解，本申请实施例的技术方案可以应用于各种通信系统，例如：全球移动通讯(Global System of Mobile communication，GSM)系统、码分多址(Code Division Multiple Access，CDMA)系统、宽带码分多址(Wideband Code Division Multiple Access，WCDMA)系统、通用分组无线业务(General Packet Radio Service，GPRS)、长期演进LTE系统、LTE频分双工(Frequency Division Duplex，FDD)系统、LTE时分双工(Time Division Duplex，TDD)、通用移动通信系统(Universal Mobile Telecommunication System，UMTS)、全球互联微波接入(Worldwide Interoperability for Microwave Access，WiMAX)通信系统、新无线(New Radio，NR)或未来的5G系统等。
特别地，本申请实施例的技术方案可以应用于各种基于非正交多址接入技术的通信系统，例如稀疏码多址接入(Sparse Code Multiple Access，SCMA)系统、低密度签名(Low Density Signature，LDS)系统等，当然SCMA系统和LDS系统在通信领域也可以被称为其他名称；进一步地，本申请实施例的技术方案可以应用于采用非正交多址接入技术的多载波传输系统，例如采用非正交多址接入技术正交频分复用(Orthogonal Frequency Division Multiplexing，OFDM)、滤波器组多载波(Filter Bank Multi-Carrier，FBMC)、通用频分复用(Generalized Frequency Division Multiplexing，GFDM)、滤波 正交频分复用(Filtered-OFDM，F-OFDM)系统等。
本申请实施例中的终端设备可以指用户设备(User Equipment，UE)、接入终端、用户单元、用户站、移动站、移动台、远方站、远程终端、移动设备、用户终端、终端、无线通信设备、用户代理或用户装置。接入终端可以是蜂窝电话、无绳电话、会话启动协议(Session Initiation Protocol，SIP)电话、无线本地环路(Wireless Local Loop，WLL)站、个人数字处理(Personal Digital Assistant，PDA)、具有无线通信功能的手持设备、计算设备或连接到无线调制解调器的其它处理设备、车载设备、可穿戴设备，未来5G网络中的终端设备或者未来演进的公用陆地移动通信网络(Public Land Mobile Network，PLMN)中的终端设备等，本申请实施例并不限定。
本申请实施例中的网络设备可以是用于与终端设备通信的设备，该网络设备可以是GSM或CDMA中的基站(Base Transceiver Station，BTS)，也可以是WCDMA系统中的基站(NodeB，NB)，还可以是LTE系统中的演进型基站(Evolutional NodeB，eNB或eNodeB)，还可以是云无线接入网络(Cloud Radio Access Network，CRAN)场景下的无线控制器，或者该网络设备可以为中继站、接入点、车载设备、可穿戴设备以及未来5G网络中的网络设备或者未来演进的PLMN网络中的网络设备等，本申请实施例并不限定。
图1示出了本申请的一个应用场景的示意图，终端设备130周围节点包括主节点110和至少一个辅节点120。该至少一个辅节点120分别与主节点110相连，构成多连接，并分别与终端设备130连接为其提供服务。该主节点110可以为LTE网络，该辅节点120可以为NR网络。或者该主节点110可以为NR网络，该辅节点120可以为LTE网络。或者该主节点110和该辅节点120都为NR网络。本申请对技术方案的应用场景不作限定。终端设备130可以通过主节点110和辅节点120同时建立连接。终端设备130和主节点110建立的连接为主连接，终端设备130与辅节点120建立的连接为辅连接。终端设备130的控制信令可以通过主连接进行传输，而终端设备的数据可以通过主连接和辅连接同时传输，也可以只通过辅连接进行传输。在本申请实施例中主节点110可以选择满足预设条件的辅节点120传输终端设备130的数据，从而能够进一步减轻主节点110的负荷。例如，该预设条件可以为辅节点120与终端设备130之间的链路质量满足数据传输条件。
在本申请实施例中，辅节点120可以根据业务需求和用户密度灵活部署。其作用可以是辅助主节点110分担数据。辅节点120的部署可以不连续，相邻辅小区间也可有较大面积重叠，本申请实施例对此不作限定。
在本申请实施例中，主节点例如可以是宏基站(Macrocell)，辅节点例如可以为微蜂窝基站(Microcell)、微微蜂窝基站(Picocell)、毫微微蜂窝基站(Femtocell)，但本申请实施例不限于此。
更具体地，该主节点可以为LTE节点，该辅节点为NR节点，该主节点和该辅节点也可以都为NR节点。应理解，本发明实施例并不限于此，该主节点还可以为GSM网络设备，CDMA网络设备等，该辅节点也可以为GSM网络设备，CDMA网络设备等，本申请实施例对此不作限制。
在通信系统中，还可以包括核心网节点。可选地，该核心网节点可以是5G核心网节点，例如，接入与移动性管理功能(Access and Mobility Management Function，AMF)，又例如，会话管理功能(Session Management Function，SMF)。可选地，该核心网节点也可以是LTE网络的分组核心演进(Evolved Packet Core，EPC)，例如，会话管理功能+核心网侧的数据网关(Session Management Function+Core Packet Gateway，SMF+PGW-C)。
LTE系统支持了不同的定位机制，包括RAT相关的定位机制和RAT无关的定位机制。RAT相关的定位机制包括三角定位机制如上行到达时间差(Time Difference of Arrival，TDoA)和下行TDoA以及比较简单的小区(cell)标识(ID)定位，RAT无关的定位包括全球导航卫星系统(Global Navigation Satellite System，GNSS)。其中，轻量级表示协议(Lightweight Presentation Protocol，LPP)或LPPa协议是用来支持定位机制的主要协议。LPP/LPPa消息以NAS的方式从终端传输到网络侧，该网络侧可以如网关移动位置中心(Gateway Mobile Location Center，GMLC)。该LPP/LPPa消息通常为终端设备的定位消息。
在5G系统中，引入了LMF实体，该LMF用来实现对终端设备的定位操作。
为了便于理解，先结合图2简单描述一下5G架构中的协议栈。在UE和无线接入网(Radio Access Network，RAN)之间的协议层包括物理(PHY)层、媒体访问控制(Medium Access Control，MAC)层、无线链路控制(Radio Link Control，RLC)、分组数据汇聚协议(Packet Data Convergence Protocol， PDCP)以及RRC层。而UE和AMF之间的协议层则包括NAS层，UE和LMF之间的协议层包括LPP层。其中，LPP消息在空口可以作为NAS的净荷消息包含在RRC消息中进行传输。
由于，在双连接网络中，RRC连接在一个节点上是存在的，而在另一个节点上则不一定存在。而终端通常采用具有RRC连接的节点所使用的RAT对终端进行定位并与LMF实体进行定位消息的传输与交互，从而导致定位操作不灵活。也就是说用于定位的RAT与用于传输定位消息的RAT为捆绑在一起，而本申请实施例的方案则可以将用于定位的RAT和用于传输定位消息的RAT解耦，从而实现了灵活的定位操作。
图3示出了本申请实施例的多连接网络中的定位方法200的示意性框图。如图3所示，该定位方法200包括：
S210，终端设备通过第一无线接入技术RAT进行定位。
S220，该终端设备通过终结于第二RAT的信令连接向定位管理功能实体发送该终端设备的定位消息。
具体地，该终端设备可以分别与使用第一RAT的节点以及使用第二RAT的节点进行交互。可以认为终端设备所用的小区的定位参数是与使用第一RAT的节点下的某些小区的定位参数。而终端设备在空口上可以通过使用第二RAT的信令向定位管理功能实体发送终端设备的定位消息。例如，在双连接场景下，终端设备分别与一个主节点和一个辅节点相连，其中该主节点和该辅节点分别使用不同的RAT，终端设备可以通过辅节点进行定位，而通过与主节点之间的信令连接向定位管理功能实体发送终端设备的定位消息。
因此，本申请实施例的多连接网络中的定位方法，通过将用于定位的RAT以及用于发送定位消息的RAT解耦，更有利于提高定位操作的灵活性。
可选地，在本申请实施例中，该终端设备的定位消息包括对应于该第一RAT的节点的小区的定位参数。
具体地，如果终端设备的定位消息与RAT有关，那么终端设备可以将定位所用的RAT对应的小区的定位参数发送给定位管理功能实体，以使得定位管理功能实体也采用该小区的定位参数对终端设备进行定位。例如，在双连接场景下，终端设备分别与一个主节点和一个辅节点相连，其中该主节点和该辅节点分别使用不同的RAT，并且主节点有一个小区，即主小区，辅节点也有一个小区，即辅小区，若终端设备使用辅小区的定位参数进行定位 的，终端设备就可以使用主节点的信令将辅小区的定位参数发送给定位管理功能实体。
可选地，在本申请实施例中，该对应于该第一RAT的节点为该多连接网络中为该终端设备提供服务的辅节点。
目前讨论的多连接架构，主要包括LTE+NR双连接(LTE+NR Dual Connectivity，EN-DC)和NR+LTE双连接(NE-DC)。在EN-DC中，主节点采用LTE，辅节点采用NR，而由于LTE小区是主小区，并且覆盖面积较大，NR小区是辅小区，覆盖面积比较小，因此，如果利用辅小区的cell ID来进行定位，可以实现更高的准确度。而在NE-DC中，主节点采用NR，辅节点采用LTE，由于NR是主小区，并且可能存在有些终端设备在NR主小区不支持定位机制的可能性，因此，可以利用LTE辅小区来进行定位，才可能完成定位。
可选地，在本申请实施例中，该终端设备的定位消息还包括对应于该第二RAT的节点的小区的定位参数。
也就是说，终端设备也可以同时上报终端设备所连接的多个使用不同RAT的节点的小区的定位参数。例如，终端设备可以同时向定位管理功能实体上报NR小区的定位参数以及LTE小区的定位参数。应理解，该每个节点下的小区可能有多个，也就是说，终端设备可以同时向定位管理功能实体发送多个小区的定位参数，可以由网络设备从中选择一个小区的定位参数，来对终端设备进行定位。定位管理功能实体可以根据每个小区的cell ID进行选择，也可以单独在终端设备的定位消息中携带每个小区的标识，或者可以只在定位消息中标明主小区和辅小区，对具体是哪个辅小区不作区别。
可选地，在本申请实施例中，该对应于该第二RAT的节点为该多连接网络中为该终端设备提供服务的主节点。
可选地，在本申请实施例中，该终端设备通过终结于第二RAT的信令连接向定位管理功能实体发送该终端设备的定位消息，包括：该终端设备通过该主节点的无线资源控制RRC层向该定位管理功能实体发送该终端设备的定位消息。
在双连接网络中，用于传输定位消息的RRC连接在主节点上总是存在的，那么终端设备就可以直接通过主节点的信令向定位管理功能实体发送辅节点上小区的定位参数。例如，终端设备可以通过主节点的主小区的RRC 层向定位管理功能实体发送辅节点的辅小区的定位参数。
通过主节点传输定位消息，使得终端能够在和辅节点没有RRC连接的情况下，依然可以使用辅节点的RAT进行定位操作。
可选地，在本申请实施例中，该终端设备的定位消息包括以下参数中的至少一种参数：上下行到达时间差TDoA、全球导航卫星系统GNSS和小区标识ID。
应理解，终端设备的定位消息还可以包括其他定位机制中的参数，本申请实施例不限于此。
还应理解，本文多处以双连接，并且每个连接下只有一个小区为例进行描述的，但本申请实施例应不限于此，例如，每个连接下有多个小区，其中，主小区只可能属于主连接，辅连接只可能包括辅小区。
图4示出了本申请实施例的多连接网络中的定位方法300的示意性框图。如图4所示，该定位方法300包括以下部分或全部内容：
S310，定位管理功能实体接收终端设备通过终结于第二无线接入技术RAT的信令连接发送的该终端设备的定位消息。
S320，该定位管理功能实体根据该终端设备的定位消息，对该终端设备进行定位。
因此，本申请实施例的多连接网络中的定位方法，通过将用于定位的RAT以及用于发送定位消息的RAT解耦，更有利于提高定位操作的灵活性。
可选地，在本申请实施例中，该终端设备的定位消息包括对应于第一RAT的节点的小区的定位参数，该终端设备是通过该第一RAT进行定位的。
可选地，在本申请实施例中，该对应于该第一RAT的节点为该多连接网络中为该终端设备提供服务的辅节点。
可选地，在本申请实施例中，该终端设备的定位消息还包括对应于该第二RAT的节点的小区的定位参数。
可选地，在本申请实施例中，该对应于该第二RAT的节点为该多连接网络中为该终端设备提供服务的主节点。
可选地，在本申请实施例中，该终端设备的定位消息包括多个小区中每个小区的定位参数，该方法还包括：该定位管理功能实体从该多个小区中选择目标小区；该定位管理功能实体根据该终端设备的定位消息，对该终端设备进行定位，包括：该定位管理功能实体根据该目标小区的定位参数，对该 终端设备进行定位。
可选地，在本申请实施例中，该终端设备的定位消息包括以下参数中的至少一种参数：上下行到达时间差TDoA、全球导航卫星系统GNSS和小区标识ID。
可选地，在本申请实施例中，该第一RAT为长期演进LTE，该第二RAT为新空口NR；或该第一RAT为新空口NR，该第二RAT为长期演进LTE。
应理解，本文中术语“和/或”，仅仅是一种描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。另外，本文中字符“/”，一般表示前后关联对象是一种“或”的关系。
应理解，定位管理功能实体描述的定位管理功能实体与终端设备之间的交互及相关特性、功能等与终端设备的相关特性、功能相应。并且相关内容在上述方法200中已经作了详尽描述，为了简洁，在此不再赘述。
还应理解，在本申请的各种实施例中，上述各过程的序号的大小并不意味着执行顺序的先后，各过程的执行顺序应以其功能和内在逻辑确定，而不应对本申请实施例的实施过程构成任何限定。
上文中详细描述了根据本申请实施例的多连接网络中的定位方法，下面将结合图5至图8，描述根据本申请实施例的多连接网络中的定位装置，方法实施例所描述的技术特征适用于以下装置实施例。
图5示出了本申请实施例的终端设备400的示意性框图。如图5所示，该终端设备400包括：
定位单元410，用于通过第一无线接入技术RAT进行定位；
发送单元420，用于通过终结于第二RAT的信令连接向定位管理功能实体发送所述终端设备的定位消息。
因此，本申请实施例的终端设备，通过将用于定位的RAT以及用于发送定位消息的RAT解耦，更有利于提高定位操作的灵活性。
应理解，根据本申请实施例的终端设备400可对应于本申请方法实施例中的终端设备，并且终端设备400中的各个单元的上述和其它操作和/或功能分别为了实现图3方法中终端设备的相应流程，为了简洁，在此不再赘述。
图6示出了本申请实施例的定位管理功能实体500的示意性框图。如图6所示，该定位管理功能实体500包括：
接收单元510，用于接收终端设备通过终结于第二无线接入技术RAT的信令连接发送的所述终端设备的定位消息；
定位单元520，用于根据所述终端设备的定位消息，对所述终端设备进行定位。
因此，本申请实施例的定位管理功能实体，通过将用于定位的RAT以及用于发送定位消息的RAT解耦，更有利于提高定位操作的灵活性。
应理解，根据本申请实施例的定位管理功能实体500可对应于本申请方法实施例中的定位管理功能实体，并且定位管理功能实体500中的各个单元的上述和其它操作和/或功能分别为了实现图4方法中定位管理功能实体的相应流程，为了简洁，在此不再赘述。
如图7所示，本申请实施例还提供了一种终端设备600，该终端设备600可以是图5中的终端设备400，其能够用于执行与图3中方法200对应的终端设备的内容。该终端设备600包括：输入接口610、输出接口620、处理器630以及存储器640，该输入接口610、输出接口620、处理器630和存储器640可以通过总线系统相连。该存储器640用于存储包括程序、指令或代码。该处理器630，用于执行该存储器640中的程序、指令或代码，以控制输入接口610接收信号、控制输出接口620发送信号以及完成前述方法实施例中的操作。
因此，本申请实施例的终端设备，通过将用于定位的RAT以及用于发送定位消息的RAT解耦，更有利于提高定位操作的灵活性。
应理解，在本申请实施例中，该处理器630可以是中央处理单元(Central Processing Unit，CPU)，该处理器630还可以是其他通用处理器、数字信号处理器(Digital Signal Processor，DSP)、专用集成电路(Application Specific Integrated Circuit，ASIC)、现场可编程门阵列(Field Programmable Gate Array，FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件等。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。
该存储器640可以包括只读存储器和随机存取存储器，并向处理器630提供指令和数据。存储器640的一部分还可以包括非易失性随机存取存储器。例如，存储器640还可以存储设备类型的信息。
在实现过程中，上述方法的各内容可以通过处理器630中的硬件的集成 逻辑电路或者软件形式的指令完成。结合本申请实施例所公开的方法的内容可以直接体现为硬件处理器执行完成，或者用处理器中的硬件及软件模块组合执行完成。软件模块可以位于随机存储器，闪存、只读存储器，可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的存储介质中。该存储介质位于存储器640，处理器630读取存储器640中的信息，结合其硬件完成上述方法的内容。为避免重复，这里不再详细描述。
一个具体的实施方式中，终端设备400中的定位单元可以由图7中的处理器630实现，终端设备400的发送单元可以由图7中的输出接口620实现。
如图8所示，本申请实施例还提供了一种定位管理功能实体700，该定位管理功能实体600可以是图6中的定位管理功能实体500，其能够用于执行与图4中方法300对应的定位管理功能实体的内容。该定位管理功能实体600包括：输入接口610、输出接口620、处理器630以及存储器640，该输入接口610、输出接口620、处理器630和存储器640可以通过总线系统相连。该存储器640用于存储包括程序、指令或代码。该处理器630，用于执行该存储器640中的程序、指令或代码，以控制输入接口610接收信号、控制输出接口620发送信号以及完成前述方法实施例中的操作。
因此，本申请实施例的定位管理功能实体，通过将用于定位的RAT以及用于发送定位消息的RAT解耦，更有利于提高定位操作的灵活性。
应理解，在本申请实施例中，该处理器630可以是中央处理单元(Central Processing Unit，CPU)，该处理器630还可以是其他通用处理器、数字信号处理器(Digital Signal Processor，DSP)、专用集成电路(Application Specific Integrated Circuit，ASIC)、现场可编程门阵列(Field Programmable Gate Array，FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件等。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。
该存储器640可以包括只读存储器和随机存取存储器，并向处理器630提供指令和数据。存储器640的一部分还可以包括非易失性随机存取存储器。例如，存储器640还可以存储设备类型的信息。
在实现过程中，上述方法的各内容可以通过处理器630中的硬件的集成逻辑电路或者软件形式的指令完成。结合本申请实施例所公开的方法的内容可以直接体现为硬件处理器执行完成，或者用处理器中的硬件及软件模块组 合执行完成。软件模块可以位于随机存储器，闪存、只读存储器，可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的存储介质中。该存储介质位于存储器640，处理器630读取存储器640中的信息，结合其硬件完成上述方法的内容。为避免重复，这里不再详细描述。
一个具体的实施方式中，定位管理功能实体500中的定位单元和选择单元可以由图8中的输出接口720实现，定位管理功能实体500中的接收单元可以由图8中的输入接口710实现。
本领域普通技术人员可以意识到，结合本文中所公开的实施例描述的各示例的单元及算法步骤，能够以电子硬件、或者计算机软件和电子硬件的结合来实现。这些功能究竟以硬件还是软件方式来执行，取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能，但是这种实现不应认为超出本申请的范围。
所属领域的技术人员可以清楚地了解到，为描述的方便和简洁，上述描述的系统、装置和单元的具体工作过程，可以参考前述方法实施例中的对应过程，在此不再赘述。
在本申请所提供的几个实施例中，应该理解到，所揭露的系统、装置和方法，可以通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如，该单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个系统，或一些特征可以忽略，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，装置或单元的间接耦合或通信连接，可以是电性，机械或其它的形式。
该作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。
另外，在本申请各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。
该功能如果以软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储介质中。基于这样的理解，本申请的 技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)执行本申请各个实施例的全部或部分步骤。而前述的存储介质包括：U盘、移动硬盘、只读存储器(Read-Only Memory，ROM)、随机存取存储器(Random Access Memory，RAM)、磁碟或者光盘等各种可以存储程序代码的介质。
以上所述，仅为本申请的具体实施方式，但本申请的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本申请揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本申请的保护范围之内。因此，本申请的保护范围应该以权利要求的保护范围为准。

Claims (32)

  1. 一种多连接网络中的定位方法，其特征在于，所述定位方法包括：
    终端设备通过第一无线接入技术RAT进行定位；
    所述终端设备通过终结于第二RAT的信令连接向定位管理功能实体发送所述终端设备的定位消息。
  2. 根据权利要求1所述的定位方法，其特征在于，所述终端设备的定位消息包括对应于所述第一RAT的节点的小区的定位参数。
  3. 根据权利要求2所述的定位方法，其特征在于，所述对应于所述第一RAT的节点为所述多连接网络中为所述终端设备提供服务的辅节点。
  4. 根据权利要求2或3所述的定位方法，其特征在于，所述终端设备的定位消息还包括对应于所述第二RAT的节点的小区的定位参数。
  5. 根据权利要求1至4中任一项所述的定位方法，其特征在于，所述对应于所述第二RAT的节点为所述多连接网络中为所述终端设备提供服务的主节点。
  6. 根据权利要求5所述的定位方法，其特征在于，所述终端设备通过终结于第二RAT的信令连接向定位管理功能实体发送所述终端设备的定位消息，包括：
    所述终端设备通过所述主节点的无线资源控制RRC层向所述定位管理功能实体发送所述终端设备的定位消息。
  7. 根据权利要求1至6中任一项所述的定位方法，其特征在于，所述终端设备的定位消息包括以下参数中的至少一种参数：上下行到达时间差TDoA、全球导航卫星系统GNSS和小区标识ID。
  8. 根据权利要求1至7中任一项所述的定位方法，其特征在于，所述第一RAT为长期演进LTE，所述第二RAT为新空口NR；或
    所述第一RAT为新空口NR，所述第二RAT为长期演进LTE。
  9. 一种多连接网络中的定位方法，其特征在于，所述定位方法包括：
    定位管理功能实体接收终端设备通过终结于第二无线接入技术RAT的信令连接发送的所述终端设备的定位消息；
    所述定位管理功能实体根据所述终端设备的定位消息，对所述终端设备进行定位。
  10. 根据权利要求9所述的定位方法，其特征在于，所述终端设备的定 位消息包括对应于第一RAT的节点的小区的定位参数，所述终端设备是通过所述第一RAT进行定位的。
  11. 根据权利要求10所述的定位方法，其特征在于，所述对应于所述第一RAT的节点为所述多连接网络中为所述终端设备提供服务的辅节点。
  12. 根据权利要求10或11所述的定位方法，其特征在于，所述终端设备的定位消息还包括对应于所述第二RAT的节点的小区的定位参数。
  13. 根据权利要求9至12中任一项所述的定位方法，其特征在于，所述对应于所述第二RAT的节点为所述多连接网络中为所述终端设备提供服务的主节点。
  14. 根据权利要求9至13中任一项所述的定位方法，其特征在于，所述终端设备的定位消息包括多个小区中每个小区的定位参数，所述方法还包括：
    所述定位管理功能实体从所述多个小区中选择目标小区；
    所述定位管理功能实体根据所述终端设备的定位消息，对所述终端设备进行定位，包括：
    所述定位管理功能实体根据所述目标小区的定位参数，对所述终端设备进行定位。
  15. 根据权利要求9至14中任一项所述的定位方法，其特征在于，所述终端设备的定位消息包括以下参数中的至少一种参数：上下行到达时间差TDoA、全球导航卫星系统GNSS和小区标识ID。
  16. 根据权利要求9至15中任一项所述的定位方法，其特征在于，所述第一RAT为长期演进LTE，所述第二RAT为新空口NR；或
    所述第一RAT为新空口NR，所述第二RAT为长期演进LTE。
  17. 一种终端设备，其特征在于，所述终端设备包括：
    定位单元，用于通过第一无线接入技术RAT进行定位；
    发送单元，用于通过终结于第二RAT的信令连接向定位管理功能实体发送所述终端设备的定位消息。
  18. 根据权利要求17所述的终端设备，其特征在于，所述终端设备的定位消息包括对应于所述第一RAT的节点的小区的定位参数。
  19. 根据权利要求18所述的终端设备，其特征在于，所述对应于所述第一RAT的节点为多连接网络中为所述终端设备提供服务的辅节点。
  20. 根据权利要求18或19所述的终端设备，其特征在于，所述终端设备的定位消息还包括对应于所述第二RAT的节点的小区的定位参数。
  21. 根据权利要求17至20中任一项所述的终端设备，其特征在于，所述对应于所述第二RAT的节点为多连接网络中为所述终端设备提供服务的主节点。
  22. 根据权利要求21所述的终端设备，其特征在于，所述发送单元具体用于：
    通过所述主节点的无线资源控制RRC层向所述定位管理功能实体发送所述终端设备的定位消息。
  23. 根据权利要求17至22中任一项所述的终端设备，其特征在于，所述终端设备的定位消息包括以下参数中的至少一种参数：上下行到达时间差TDoA、全球导航卫星系统GNSS和小区标识ID。
  24. 根据权利要求17至23中任一项所述的终端设备，其特征在于，所述第一RAT为长期演进LTE，所述第二RAT为新空口NR；或
    所述第一RAT为新空口NR，所述第二RAT为长期演进LTE。
  25. 一种定位管理功能实体，其特征在于，所述定位管理功能实体包括：
    接收单元，用于接收终端设备通过终结于第二无线接入技术RAT的信令连接发送的所述终端设备的定位消息；
    定位单元，用于根据所述终端设备的定位消息，对所述终端设备进行定位。
  26. 根据权利要求25所述的定位管理功能实体，其特征在于，所述终端设备的定位消息包括对应于第一RAT的节点的小区的定位参数，所述终端设备是通过所述第一RAT进行定位的。
  27. 根据权利要求26所述的定位管理功能实体，其特征在于，所述对应于所述第一RAT的节点为多连接网络中为所述终端设备提供服务的辅节点。
  28. 根据权利要求26或27所述的定位管理功能实体，其特征在于，所述终端设备的定位消息还包括对应于所述第二RAT的节点的小区的定位参数。
  29. 根据权利要求25至28中任一项所述的定位管理功能实体，其特征在于，所述对应于所述第二RAT的节点为多连接网络中为所述终端设备提 供服务的主节点。
  30. 根据权利要求25至29中任一项所述的定位管理功能实体，其特征在于，所述终端设备的定位消息包括多个小区中每个小区的定位参数，所述定位管理功能实体还包括：
    选择单元，用于从所述多个小区中选择目标小区；
    所述定位单元具体用于：
    根据所述目标小区的定位参数，对所述终端设备进行定位。
  31. 根据权利要求25至30中任一项所述的定位管理功能实体，其特征在于，所述终端设备的定位消息包括以下参数中的至少一种参数：上下行到达时间差TDoA、全球导航卫星系统GNSS和小区标识ID。
  32. 根据权利要求25至31中任一项所述的定位管理功能实体，其特征在于，所述第一RAT为长期演进LTE，所述第二RAT为新空口NR；或
    所述第一RAT为新空口NR，所述第二RAT为长期演进LTE。
PCT/CN2018/072234 2018-01-11 2018-01-11 多连接网络中的定位方法、终端设备和定位管理功能实体 WO2019136663A1 (zh)

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