WO2023066071A1 - Procédé et appareil de traitement d'informations de localisation - Google Patents

Procédé et appareil de traitement d'informations de localisation Download PDF

Info

Publication number
WO2023066071A1
WO2023066071A1 PCT/CN2022/124422 CN2022124422W WO2023066071A1 WO 2023066071 A1 WO2023066071 A1 WO 2023066071A1 CN 2022124422 W CN2022124422 W CN 2022124422W WO 2023066071 A1 WO2023066071 A1 WO 2023066071A1
Authority
WO
WIPO (PCT)
Prior art keywords
terminal device
location
information
location information
tac
Prior art date
Application number
PCT/CN2022/124422
Other languages
English (en)
Chinese (zh)
Inventor
吴小宁
胡星星
耿婷婷
Original Assignee
华为技术有限公司
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
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Publication of WO2023066071A1 publication Critical patent/WO2023066071A1/fr

Links

Images

Classifications

    • 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
    • H04W4/029—Location-based management or tracking services
    • 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 relates to the field of communication technologies, and in particular to a location information processing method and device.
  • Tracking Area is a concept established by long term evolution (long term evolution, LTE) system or new air interface (new radio, NR) system for the location management of terminal equipment (user equipment, UE). It is defined as a free movement area in which the UE does not need to update the service.
  • long term evolution long term evolution
  • NR new radio
  • TAC tracking area code
  • TAC is a cell-level configuration. Multiple cells can be configured with the same TAC, and a cell can only belong to the area corresponding to one TAC.
  • a corresponding TAC may correspond to one or more Global cell identifier (cell global identifier, CGI).
  • TAI tracking area identity
  • Multiple TAIs form a TAI list (TA List) and are assigned to a UE at the same time.
  • TAI list TAI list
  • TAU TA update
  • TAU TA update
  • the newly allocated TAI can also include some TAIs in the original TAI list; in addition to this situation, the UE will periodically Do TAU to let the core network know the location of the UE.
  • one cell may have areas corresponding to one or more TACs, and a corresponding CGI may correspond to multiple TACs. Therefore, in the NTN network, in order to maintain the CGI operation mechanism in the TN network, the base station will do a mapping to map the CGI with a larger range (called UU interface CGI) to a CGI with a smaller range (called NG interface CGI ), so that one TAC corresponds to one or more NG interfaces CGI.
  • UU interface CGI a larger range
  • NG interface CGI a smaller range
  • the UE may determine its own precise geographic location and a coarse location (coarse location) corresponding to the precise geographic location, where the coarse location is obtained by losing precision (for example, expressing bits, etc.) to the precise geographic location.
  • the UE reports the rough location to the base station (gNB), and the gNB determines the TAC where the UE is located, or further determines the corresponding NG interface CGI of the UE within the range of the TAC, and reports the NG interface CGI and/or TAC Give access and mobility management function (access and mobility management function, AMF), so that AMF can do UE access management accordingly.
  • AMF access and mobility management function
  • the coarse location reported by the UE before security activation may span multiple TACs, resulting in the gNB being unable to determine the unique TAC corresponding to the UE and/or the unique NG interface CGI corresponding to the UE based on the coarse location, thus making it impossible for the AMF to determine the unique TAC and/or The only NG interface CGI is used for UE access management.
  • the embodiment of the present application provides a location information processing method and device, so that the access network equipment can obtain the unique TAC or the unique NG interface CGI corresponding to the terminal equipment, and send the unique TAC or the unique NG interface to the core network element CGI ensures the smooth implementation of the access management process of the core network element to the terminal equipment.
  • a location information processing method comprising: acquiring location information of a terminal device; determining rough location information of the terminal device according to the location information of the terminal device; sending first information, the first information including the rough location information of the terminal device The location information, and the first indication information, the first indication information is used to indicate the unique TAC corresponding to the location indicated by the location information of the terminal device; or the first information includes the adjusted rough location information, and the adjusted rough location information indicates the location Corresponds to a unique TAC.
  • the access network device determines the unique TAC or the unique NG interface CGI corresponding to the terminal equipment, and then sends the unique TAC and/or the unique NG interface CGI to the AMF, so as to ensure the smooth execution of the access management process of the terminal equipment by the AMF.
  • the method before sending the first location information, further includes: determining that the tracking area code TAC corresponding to the location indicated by the rough location information of the terminal device is greater than one.
  • one TAC corresponds to one area.
  • determining that the location indicated by the rough location information of the terminal device corresponds to more than one tracking area code TAC includes: determining the area corresponding to the target TAC to which the location indicated by the location information of the terminal device belongs; Whether the location indicated by the coarse location information exceeds the range of the area corresponding to the target TAC; if the location indicated by the coarse location information of the terminal device exceeds the range of the area corresponding to the target TAC, determine that the TAC corresponding to the location indicated by the coarse location information of the terminal device is greater than one.
  • determining that the location indicated by the rough location information of the terminal device corresponds to more than one tracking area code TAC includes: comparing the location indicated by the rough location information of the terminal device with the areas corresponding to multiple TACs, and determining Whether the location indicated by the rough location information of the terminal device intersects with the area corresponding to more than one TAC in the area corresponding to multiple TACs; If the areas overlap, it is determined that the TAC corresponding to the location indicated by the rough location information of the terminal device is more than one.
  • the method further includes: determining that the location indicated by the location information of the terminal device is within the first area; adjusting the location indicated by the location information of the terminal device to obtain adjusted location information; The information determines the adjusted rough location information; or adjusts the location indicated by the rough location information of the terminal device to obtain the adjusted rough location information.
  • the method further includes: determining that the position indicated by the rough information of the terminal device intersects with multiple first areas; adjusting the position indicated by the position information of the terminal device, obtaining the adjusted position information, and The adjusted location information determines the adjusted rough location information; or adjusts the location indicated by the rough location information of the terminal device to obtain the adjusted rough location information.
  • the first area is directly determined, and the relationship between the precise position or rough position of the terminal device and the first area is used as the judgment condition for whether to adjust the precise position or rough position, so that the judgment process is clear and fast, and the Improve the efficiency of obtaining the adjusted coarse position information.
  • a location information processing method includes: receiving first information, the first information includes rough location information of the terminal device, and first indication information, the first indication information is used to indicate the location information of the terminal device The unique TAC corresponding to the indicated location; determine the second information according to the first information, and the second information includes the TAC corresponding to the terminal device and/or the NG interface global cell identity CGI corresponding to the terminal device; send to the access and mobility management function AMF second information.
  • determining the second location information according to the first information includes: determining the unique TAC corresponding to the location indicated by the location information of the terminal device according to the first indication information, The unique TAC corresponding to the location indicated by the location information of the terminal device is used as the TAC corresponding to the terminal device.
  • the second location information is determined according to the first information, including: the location indicated by the rough location information of the terminal device, and the location information of the terminal device.
  • the unique TAC corresponding to the indicated location identifies the NG interface CGI.
  • a communication device which includes: a processing unit configured to acquire location information of a terminal device, and determine rough location information of the terminal device according to the location information of the terminal device; a sending unit configured to send first information, The first information includes rough location information of the terminal device, and first indication information, the first indication information is used to indicate the unique TAC corresponding to the location indicated by the location information of the terminal device; or the first information includes the adjusted coarse location information, adjusted The location indicated by the subsequent coarse location information corresponds to a unique TAC.
  • the processing unit before sending the first location information, is further configured to: determine that the tracking area code TAC corresponding to the location indicated by the rough location information of the terminal device is greater than one.
  • one TAC corresponds to one area.
  • determining that the location indicated by the rough location information of the terminal device corresponds to more than one tracking area code TAC includes: determining the area corresponding to the target TAC to which the location indicated by the location information of the terminal device belongs; Whether the location indicated by the coarse location information exceeds the range of the area corresponding to the target TAC; if the location indicated by the coarse location information of the terminal device exceeds the range of the area corresponding to the target TAC, determine that the TAC corresponding to the location indicated by the coarse location information of the terminal device is greater than one.
  • determining that the location indicated by the rough location information of the terminal device corresponds to more than one tracking area code TAC includes: comparing the location indicated by the rough location information of the terminal device with the areas corresponding to multiple TACs, and determining Whether the location indicated by the rough location information of the terminal device intersects with the area corresponding to more than one TAC in the area corresponding to multiple TACs; If the areas overlap, it is determined that the TAC corresponding to the location indicated by the rough location information of the terminal device is more than one.
  • the processing unit is further configured to: determine that the location indicated by the location information of the terminal device is within the first area; adjust the location indicated by the location information of the terminal device to obtain adjusted location information; The location information determines the adjusted rough location information; or adjusts the location indicated by the rough location information of the terminal device to obtain the adjusted rough location information.
  • the processing unit is further configured to: determine that the position indicated by the rough information of the terminal device intersects with multiple first areas; adjust the position indicated by the position information of the terminal device to obtain adjusted position information, and Determine the adjusted rough location information according to the adjusted location information; or adjust the location indicated by the rough location information of the terminal device to obtain the adjusted rough location information.
  • a communication device which includes: a receiving unit, configured to receive first information, the first information includes rough location information of the terminal device, and first indication information, the first indication information is used to indicate the terminal device The unique TAC corresponding to the position indicated by the position information; the processing unit is configured to determine the second information according to the first information, and the second information includes the TAC corresponding to the terminal device and/or the NG interface global cell identity CGI corresponding to the terminal device; the sending unit , for sending the second information to the access and mobility management function AMF.
  • determining the second location information according to the first information includes: determining the unique TAC corresponding to the location indicated by the location information of the terminal device according to the first indication information, The unique TAC corresponding to the location indicated by the location information of the terminal device is used as the TAC corresponding to the terminal device.
  • the second location information is determined according to the first information, including: the location indicated by the rough location information of the terminal device, and the location information of the terminal device.
  • the unique TAC corresponding to the indicated location identifies the NG interface CGI.
  • the embodiment of the present application provides a communication device, the device includes a communication interface and at least one processor, and the communication interface is used for the device to communicate with other devices.
  • the communication interface may be a transceiver, circuit, bus, module or other types of communication interface.
  • At least one processor is used to call a set of programs, instructions or data to execute the method described in the first or second aspect above.
  • the device may also include a memory for storing programs, instructions or data invoked by the processor.
  • the memory is coupled to at least one processor, and when the at least one processor executes instructions or data stored in the memory, the method described in the first aspect or the second aspect above can be implemented.
  • the embodiments of the present application also provide a computer-readable storage medium, where instructions are stored in the computer-readable storage medium, and when the instructions are run on a computer, the computer executes the computer according to the first aspect or the first aspect.
  • the method in any possible implementation manner of the second aspect, or causing the computer to execute the method in the second aspect or any possible implementation manner of the second aspect.
  • an embodiment of the present application provides a system-on-a-chip, where the system-on-a-chip includes a processor, and may also include a memory, configured to implement the method in the above-mentioned first aspect or any possible implementation manner of the first aspect, Or for implementing the second aspect above or the method in any possible implementation manner of the second aspect, the system-on-a-chip may consist of chips, or may include chips and other discrete devices.
  • the chip system further includes a transceiver.
  • the embodiments of the present application also provide a computer program product, including instructions, which, when run on a computer, cause the computer to execute the method in any possible implementation manner of the first aspect or the first aspect , or cause the computer to execute the method in the second aspect or any possible implementation manner of the second aspect.
  • an embodiment of the present application further provides a communication system, and the communication system may include the communication devices provided in the first aspect and the second aspect.
  • FIG. 1A is an NTN-based RAN architecture provided by an embodiment of the present application
  • FIG. 1B is another NTN-based RAN architecture provided by the embodiment of the present application.
  • FIG. 1C is another NTN-based RAN architecture provided by the embodiment of the present application.
  • FIG. 1D is another NTN-based RAN architecture provided by the embodiment of the present application.
  • FIG. 1E is a schematic structural diagram of an access network device provided in an embodiment of the present application.
  • FIG. 2A is a flow chart of a location information processing method provided in an embodiment of the present application.
  • FIG. 2B is a schematic diagram of a relationship between a rough location of a UE and an area corresponding to a target TAC according to an embodiment of the present application;
  • FIG. 2C is a schematic diagram of a relationship between a rough location of a UE and areas corresponding to multiple TACs according to an embodiment of the present application;
  • FIG. 3A is a flow chart of another location information processing method provided in the embodiment of the present application.
  • Fig. 3B is a schematic diagram of a first area provided by the embodiment of the present application.
  • FIG. 3C is a schematic diagram of adjusting a coarse position of a terminal device provided by an embodiment of the present application.
  • FIG. 3D is a schematic diagram of the distribution of a first region in the region corresponding to the TAC according to the embodiment of the present application.
  • FIG. 3E is a schematic diagram of adjusting the precise position of a terminal device provided by an embodiment of the present application.
  • FIG. 4 is a flowchart of a location information processing method provided in an embodiment of the present application.
  • FIG. 5 is a flow chart of an information transmission processing method provided by an embodiment of the present application.
  • FIG. 6 is a structural block diagram of a communication device provided by an embodiment of the present application.
  • FIG. 7 is a structural block diagram of a communication device provided by an embodiment of the present application.
  • FIG. 8 is a schematic structural diagram of an electronic device provided by an embodiment of the present application.
  • Multiple means two or more.
  • “And/or” describes the association relationship of associated objects, indicating that there may be three types of relationships, for example, A and/or B may indicate: A exists alone, A and B exist simultaneously, and B exists independently.
  • the character “/” generally indicates that the contextual objects are an "or” relationship.
  • the embodiment of this application can be applied to the fourth generation mobile information (the 4th generation mobile communication technology, 4G) system, the fifth generation mobile communication (5th generation mobile communication technology, 5G) system, non-terrestrial communication network (non-terrestrial network) , NTN) and future network systems and other communication systems.
  • the NTN-based RAN architecture can include the following five types:
  • NG-RAN RAN architecture with transparent satellite transmission
  • an NTN-based RAN architecture provided by the embodiment of the present application has an independent base station in a transparent transmission scenario.
  • the satellite forms a remote radio unit, which is mainly used as a physical layer relay between the terminal device and the access network device to regenerate the physical layer signal, and the high layer is invisible.
  • the satellite can be used for uplink and downlink directions: radio frequency filtering, frequency conversion and amplification.
  • the satellite wireless interface on the feeder link carries the information of the NR-Uu interface.
  • the satellite does not terminate or change the information of the NR-Uu interface, but only copies and forwards the information.
  • the NTN gateway supports all necessary functions for forwarding NR-Uu port signals.
  • the NR-Uu interface is the interface between the terminal equipment and the access network equipment in the protocol.
  • FIG. 1B it is another NTN-based RAN architecture provided by the embodiment of the present application.
  • this architecture there is no ISL, and satellites are used as payloads processed by the base station.
  • the signal of the NR-Uu radio interface is transmitted on the service link between the UE and the satellite.
  • the NG interface is responsible for information exchange.
  • the NG interface is carried on the satellite wireless interface SRI and is responsible for higher-level information transmission.
  • the NTN gateway is a transport network layer node and supports all necessary transport protocols.
  • FIG. 1C it is another NTN-based RAN architecture provided by the embodiment of the present application.
  • the same satellite is used as the payload processed by the base station.
  • the difference from (2) is that there is an ISL, and multiple satellites can be connected through the Xn interface.
  • the Xn interface is carried on the inter-satellite link ISL.
  • UEs served by a satellite gNB can access the 5G core network through ISL.
  • the gNBs of different satellites can also be connected to the same terrestrial 5G core network.
  • NTN-based RAN architecture As shown in Figure 1D, another NTN-based RAN architecture provided by the embodiment of the present application, in this architecture, the satellite is used as a distributed unit (distributed unit, DU) in the base station, and other centralized units (central unit, CU) jointly perform base station functions. Between the distribution unit on the satellite and the centralized unit on the ground, there is an NTN gateway. NTN Gateway is a transport network layer node that supports all necessary transport protocols. The F1 interface protocol signal is transmitted in the satellite radio interface SRI of the feeder link between the satellite and the gateway. The service link between the UE and the satellite transmits NR-Uu interface protocol signals.
  • DU distributed unit
  • CU central unit
  • the satellite acts as an IAB base station to handle the payload.
  • the specific structure needs further study.
  • the communication system in the embodiment of the present application mainly involves network elements: terminal equipment, core network, and access network equipment. specifically:
  • Terminal equipment also known as user equipment (UE), mobile station (MS), mobile terminal (MT), etc.
  • UE user equipment
  • MS mobile station
  • MT mobile terminal
  • examples of some terminals are: mobile phone (mobile phone), tablet computer, notebook computer, palmtop computer, mobile internet device (mobile internet device, MID), wearable device, virtual reality (virtual reality, VR) device, augmented reality (augmented reality, AR) equipment, wireless terminals in industrial control, wireless terminals in self driving, wireless terminals in remote medical surgery, smart grid Wireless terminals in transportation safety, wireless terminals in smart city, wireless terminals in smart home, etc.
  • An access network device refers to a wireless access network (radio access network, RAN) node (or device) that connects a terminal to a wireless network, and may also be called a base station.
  • RAN nodes are: evolving Node B (gNB), transmission reception point (transmission reception point, TRP), evolved Node B (evolved Node B, eNB), radio network controller (radio network controller, RNC), node B (Node B, NB), base station controller (base station controller, BSC), base transceiver station (base transceiver station, BTS), home base station (for example, home evolved NodeB, or home Node B, HNB) , base band unit (base band unit, BBU), or wireless fidelity (wireless fidelity, Wifi) access point (access point, AP), etc.
  • gNB Node B
  • TRP transmission reception point
  • eNB evolved Node B
  • RNC radio network controller
  • Node B Node B
  • base station controller base station controller
  • the access network device may include a centralized unit (centralized unit, CU) node, or a distributed unit (distributed unit, DU) node, or a RAN device including a CU node and a DU node.
  • the RAN equipment including the CU node and the DU node splits the protocol layer of gnb in the NR system, and the functions of some protocol layers are placed in the centralized control of the CU, and the remaining part or all of the functions of the protocol layer are distributed in the DU and centralized by the CU. Control DUs.
  • FIG. 1E is a schematic structural diagram of an access network device provided in an embodiment of the present application. As shown in FIG.
  • the CU is deployed with a radio resource control (radio Resource Control, RRC) layer, packet data convergence protocol (packet data convergence protocol, PDCP) layer, and service data adaptation protocol (service data adaptation protocol, SDAP) layer;
  • DU is deployed with radio link control (radio link control, RLC) in the protocol stack ) layer, media access control (media access control, MAC) layer, and physical layer (physical layer, PHY).
  • RRC radio Resource Control
  • PDCP packet data convergence protocol
  • SDAP service data adaptation protocol
  • DU is deployed with radio link control (radio link control, RLC) in the protocol stack ) layer, media access control (media access control, MAC) layer, and physical layer (physical layer, PHY).
  • RRC radio link control
  • PDCP packet data convergence protocol
  • SDAP service data adaptation protocol
  • DU is deployed with radio link control (radio link control, RLC) in the protocol stack ) layer, media access control (media access control, MAC) layer, and physical layer (physical layer, PHY).
  • the functions of the CU can be implemented by one entity or by different entities.
  • the functions of the CU can be further divided, for example, the control plane (CP) and the user plane (UP) are separated, that is, the control plane (CU-CP) and the CU user plane (CU-UP) of the CU.
  • the CU-CP and CU-UP can be implemented by different functional entities, and the CU-CP and CU-UP can be coupled with the DU to jointly complete the functions of the base station.
  • the core network device refers to the device in the core network (core network, CN) that provides service support for the terminal device.
  • core network equipment are: access and mobility management function (access and mobility management function, AMF) entity, session management function (session management function, SMF) entity, user plane function (user plane function, UPF) Entities, etc., are not listed here.
  • AMF access and mobility management function
  • SMF session management function
  • UPF user plane function
  • the AMF entity may be responsible for terminal access management and mobility management
  • the SMF entity may be responsible for session management, such as user session establishment
  • the UPF entity may be a functional entity of the user plane, mainly responsible for connecting to an external network.
  • AMF entities may also be referred to as AMF network elements or AMF functional entities
  • SMF entities may also be referred to as SMF network elements or SMF functions entity etc.
  • NTN network that is, satellite communication network.
  • NTN network that is, satellite communication network.
  • the higher the orbit of the satellite the larger the coverage area, but the longer the communication delay.
  • the orbits of satellites can be divided into:
  • LEO Low earth orbit
  • MEO Medium earth orbit
  • Geostationary earth orbit The orbital height is 35786km, and the relative position of the satellites in this orbit and the earth is not affected by the rotation of the earth.
  • low-orbit communication satellites are close to the ground, have short communication delays, and high data transmission rates.
  • the weight and volume of mobile terminals are almost the same as personal mobile devices. They are more suitable for popularization in the mass market and have become a hot spot in current industrial development.
  • TA is a concept established by the LTE system or the NR system for UE location management. It is defined as a free movement area in which the UE does not need to update the service.
  • the TA function can be divided into paging management and location update management in order to realize the management of the terminal location.
  • the UE notifies the core network of its own TA through tracking area registration.
  • the core network can know the tracking area where the UE is located. At the same time, when the UE in the idle state needs to be paged, it must perform paging in all cells in the tracking area where the UE is registered.
  • a TA of a UE may include one or more divided areas, and each area has its corresponding tracking area code (tracking area code, TAC), that is, a TA may include one or more areas corresponding to the TAC.
  • TAC tracking area code
  • TAC In a terrestrial network (TN), TAC is a cell-level configuration, multiple cells can be configured with the same TAC, and a cell can only belong to an area corresponding to one TAC.
  • one cell may correspond to the area corresponding to one or more TACs.
  • an area may also be referred to as a location area or a location area range, and therefore an area corresponding to a TAC may also be referred to as a location area corresponding to a TAC or a location area range corresponding to a TAC.
  • TAI tracking area identity
  • TAU tracking area identity
  • Both TAC and TAI correspond to the same region. After the UE determines the TAC corresponding to its own location, the corresponding TAI can be determined by adding the PLMN.
  • CGI Cell global identifier
  • CGI is used to identify the area covered by a cell.
  • the cell range covered by the gNB is small and the CGI range is small, one TAC often includes multiple CGIs.
  • gNB covers a large range of cells (at this time, one CGI may correspond to one or more TACs), in order to maintain the CGI operation mechanism in TN network, when gNB sends CGI to AMF, it will do a mapping.
  • a CGI with a larger range (called UU port CGI) is mapped to a CGI with a smaller range (called NG interface CGI) (at this time, a TAC may correspond to one or more CGIs), and this smaller NG interface CGI sent to AMF.
  • the NG interface refers to the interface between the 5G base station and the 5G core network.
  • the UE can determine its own precise geographic location, and determine the corresponding rough location based on the precise location. Before security activation, the UE reports the rough location to the gNB, and the gNB determines the CGI and TAC of the NG interface based on this, and sends the CGI and/or TAC of the NG interface Escalate to AMF.
  • the coarse location of the UE may cross the areas corresponding to multiple TACs.
  • the gNB obtains the coarse location sent by the UE, it cannot determine the unique TAC and/or unique CGI corresponding to the UE.
  • the AMF receives the CGI sent by the gNB and/or after the TAC, UE access management cannot be performed based on the unique TAC or CGI.
  • FIG. 2A is a flow chart of a location information processing method provided in the embodiment of the present application. As shown in FIG. 2A, the method includes the following steps:
  • the terminal device acquires location information of the terminal device.
  • the terminal device obtains the location information of the terminal device, that is, the UE obtains its current precise location information. For example, it can be obtained through global navigation satellite system (global navigation satellite system, GNSS), global positioning system (global positioning system, GPS), Beidou positioning and other means.
  • the location information may include explicit geographic coordinates, such as latitude and longitude information of the location, or coordinate information of the national grid coordinate system corresponding to the location, and these explicit geographic coordinates can be directly used as the precise location of the UE.
  • location information can also include implicit geographic coordinates, such as the location of the province, city, street, zip code, etc. These implicit geographic coordinates can be used to deduce explicit geographic coordinates, and then determine the precise location of the UE .
  • the terminal device determines rough location information of the terminal device according to the location information of the terminal device.
  • the precise location of the UE loses certain accuracy to obtain the rough location of the UE, that is, the rough location is a location range compared to the precise location.
  • the precise position of the UE is (116.397, 39.916), which means 116.397 degrees east longitude and 39.916 north latitude.
  • the rough location information obtained according to the precise location information may be, for example, (116, 39), indicating that the rough location is a location range consisting of longitude 116.000-116.999 and latitude 39.000-39.999.
  • the precise location is a precise address: house number 01, ss street, mm district, yy city, xx country, and the rough location can be mm district, yy city, xx country, and so on.
  • the terminal device sends first information, where the first information includes rough location information of the terminal device and first indication information, where the first indication information is used to indicate a unique TAC corresponding to a location indicated by the location information of the terminal device.
  • one or more areas corresponding to TACs may appear in one cell. Then after the gNB receives the rough location of the UE, even in the case of determining the cell that the UE accesses, since the rough location of the UE is obtained based on the precise location of the UE, it is assumed that the rough location of the UE corresponds to multiple TACs If the areas overlap, the gNB may not be able to determine the unique TAC corresponding to the current precise location of the UE according to the rough location of the UE.
  • the UE can first determine the unique TAC corresponding to the precise location of the UE according to the precise location information of the UE, and then send the first indication information when sending the rough location to the gNB, which is used to indicate the TAC corresponding to the precise location of the UE.
  • Unique TAC so that the gNB can determine the unique TAC corresponding to the UE.
  • the first indication information may be, for example, an index value of the TAC, or may directly be a specific TAC.
  • the location area range determines the TAC corresponding to the precise location of the UE.
  • the manner of obtaining the corresponding relationship between the location area range and the TAC may include but not limited to one or more of the following:
  • the gNB may send a broadcast message to multiple UEs, and the broadcast message may include relevant information such as a correspondence between location area ranges and TACs.
  • the core network may send a NAS message to the UE, and the message may include relevant information such as a correspondence between a location area range and a TAC.
  • the relevant information of the corresponding relationship between the location area range and the TAC may be pre-stored in the UE, and may be directly read from the memory when acquiring.
  • an area may also be called a location area or a location area range. Therefore, an area corresponding to a TAC may also be called a location area corresponding to a TAC or a location area range corresponding to a TAC.
  • the range of the location area can be represented by latitude and longitude, and can also be represented by a country or region.
  • the corresponding relationship between the range of the location area and the TAC may be represented by a table, or may be represented by a function, an algorithm, or a neural network model.
  • the range of the location area is represented by latitude and longitude
  • the corresponding relationship between the range of the location area and TAC is represented by a table as an example for illustration.
  • Table 1 is a table of the corresponding relationship between the range of the location area and TAC:
  • TAC location area 0 TAC1 (L 11 ,L 12 ) 1 TAC2 (L 21 ,L 22 ) 2 TAC3 (L 31 ,L 32 )
  • each location area range is coded by one TAC.
  • the location area range is (L 11 , L 12 ), which means that the area range is from L 11 to L 12 .
  • L 11 is (110, 30)
  • L 21 is (120, 40)
  • the location area ranges from 110 degrees east longitude to 120 degrees east longitude, and from 30 degrees north latitude to 40 degrees north latitude.
  • the code corresponding to the range of the location area is TAC1.
  • determining the TAC corresponding to the precise location of the UE is determining the range of the location area where the precise location of the UE is located. Assuming that the precise location of the UE is (116.397, 39.916), it can be determined that the TAC corresponding to the precise location of the UE is TAC1.
  • the UE sends the first indication information to indicate the TAC1, including sending the TAC1 directly, or sending the index value "0" corresponding to the TAC1, and the like.
  • the method before sending the first location information, further includes: determining that the tracking area code TAC corresponding to the location indicated by the rough location information of the terminal device is greater than one.
  • the gNB can determine the unique TAC corresponding to the UE. In this case, the UE can omit determining the TAC corresponding to its precise location, and send the The process in which the gNB sends the first indication information reduces resource overhead. Therefore, before performing step 203, the UE may first determine that the TAC corresponding to its own coarse location is greater than one.
  • determining that the location indicated by the rough location information of the terminal device corresponds to more than one tracking area code TAC includes: determining the area corresponding to the target TAC to which the location indicated by the location information of the terminal device belongs; Whether the location indicated by the coarse location information exceeds the range of the area corresponding to the target TAC; if the location indicated by the coarse location information of the terminal device exceeds the range of the area corresponding to the target TAC, determine that the TAC corresponding to the location indicated by the coarse location information of the terminal device is greater than one.
  • the range of the location area may have a one-to-one correspondence with the TAC. If the current precise location of the terminal device is within the area corresponding to a TAC, it can be determined that this area is the area corresponding to the target TAC, and then determine the TAC corresponding to the coarse location of the UE by determining whether the coarse location of the UE exceeds the range of the area corresponding to the target TAC Is it greater than one.
  • FIG. 2B is a schematic diagram of the relationship between the rough location of the UE and the area corresponding to the target TAC provided by the embodiment of the present application. As shown in FIG.
  • the current precise location of the terminal device is (116.397, 39.916), It is within the range of the area corresponding to the target TAC (the area corresponding to the target TAC is (110.50, 38.50) to (116.50, 40.50)), corresponding to TAC1.
  • the position indicated by the rough position of the terminal device is a position range after the loss of precision of the precise position, assuming (116, 39), which represents the longitude range corresponding to the coarse position is 116.00 ⁇ 116.99, and the latitude range is 39.00 to 39.99, and the longitude range of the area corresponding to the target TAC is 110.50 to 116.50, which can only partially cover the longitude range corresponding to the coarse position, that is, the coarse position exceeds the range of the area corresponding to the target TAC, then the coarse The position corresponds to a TAC greater than one.
  • determining that the location indicated by the rough location information of the terminal device corresponds to more than one tracking area code TAC includes: comparing the location indicated by the rough location information of the terminal device with the areas corresponding to multiple TACs, and determining Whether the location indicated by the rough location information of the terminal device intersects with the area corresponding to more than one TAC in the area corresponding to multiple TACs; If the areas overlap, it is determined that the TAC corresponding to the location indicated by the rough location information of the terminal device is more than one.
  • the rough location of the terminal device may also be directly compared with areas corresponding to multiple TACs to determine the intersection of the rough location and the location range areas corresponding to the TACs.
  • FIG. 2C is a schematic diagram of the relationship between a rough location of a UE and areas corresponding to multiple TACs provided in an embodiment of the present application. As shown in FIG. 2C, assuming that the rough location of the UE is (116, 39), the obtained Among the areas corresponding to multiple TACs, the area corresponding to the TAC whose two values are close to each other.
  • the rough location of the UE can be obtained If the areas corresponding to the two TACs have an intersection, it is determined that the TAC corresponding to the coarse location of the UE is more than one.
  • the UE can obtain its rough location and the TAC corresponding to its precise location, and then determine the content of the first information, and then send the first information to the access network device.
  • the first information may be sent through a first message; the first message may be one or more of the following: RCR recovery complete (RRCResumeComplete) message, RRC setup complete (RRCSetupComplete) message, or RRC reconfiguration complete (RRCReconfigurationComplete) message , or an uplink information transfer (ULInformationTransfer) message.
  • the access network device receives the first information, and determines second information according to the first information, where the second information includes the TAC corresponding to the terminal device and/or the NG interface global cell identity CGI corresponding to the terminal device.
  • the access network device sends the second information to the access and mobility management function AMF.
  • the gNB can directly transparently transmit the TAC received from the UE as the TAC corresponding to the UE to the AMF, so that the AMF Access management of the UE is performed according to the TAC.
  • the gNB determines the TAC corresponding to the location indicated by the rough location information of the UE (that is, the rough location of the UE), and then compares the TAC corresponding to the precise location of the UE with the TAC corresponding to the rough location of the UE Both are sent to AMF.
  • the TAC corresponding to the coarse position may be determined according to the TAC corresponding to the area that intersects with the coarse position.
  • the coarse location overlaps with the area corresponding to TAC1 and the area corresponding to TAC2 at the same time, then the TAC corresponding to the coarse location includes TAC1 and TAC2, and then TAC1, TAC2 and the TAC indicated by the first indication information are all sent to the AMF as the TAC corresponding to the UE .
  • the gNB determines that the number of TACs corresponding to the coarse location is greater than one, then compare and verify the multiple TACs corresponding to the coarse location with the unique TAC corresponding to the precise location of the UE determined according to the above process, assuming that the unique TAC corresponding to the precise location of the UE
  • the TAC is included in multiple TACs corresponding to the coarse location, and the unique TAC corresponding to the precise location is sent to the AMF as the TAC corresponding to the UE.
  • the unique TAC corresponding to the precise location of the UE can be sent to the AMF, or multiple TACs corresponding to the coarse location of the UE can be sent to the AMF, It is also possible to send both the unique TAC corresponding to the precise location of the UE and the multiple TACs corresponding to the coarse location of the UE to the AMF. Alternatively, it may be judged that there is an error in the process of sending the first information from the UE to the gNB, and the gNB may reacquire the first information until the correct TAC is determined and sent to the AMF. The gNB can also directly select a TAC according to its own algorithm and send it to the AMF. Which TAC to send is determined by the gNB algorithm, which is not limited here.
  • the second information includes the NG interface CGI corresponding to the UE.
  • one TAC may correspond to multiple NG interfaces CGI, then after the gNB obtains the unique TAC corresponding to the precise location of the UE, it can determine the unique NG interface according to the rough location of the UE and the unique TAC corresponding to the precise location of the UE CGI, and then send the NG interface CGI to AMF.
  • the gNB can send the TAC corresponding to the UE to the AMF, or send the NG interface CGI corresponding to the UE to the AMF, or send the TAC and the NG interface CGI corresponding to the UE to the AMF, which can be used by the AMF for UE access management.
  • the terminal device acquires multiple location area ranges and the tracking area codes TACs corresponding to the multiple location area ranges, and then determines the unique TAC corresponding to the precise location of the terminal device, and the corresponding TAC of the precise location of the terminal device. coarse location information, and send the first indication information and coarse location information of the unique TAC to the access network device, so that the access network device determines the unique TAC or the unique NG interface CGI corresponding to the terminal device, and then sends the unique TAC to the AMF TAC and/or according to the unique NG interface CGI, ensure that the access management process of the AMF to the terminal equipment is executed smoothly.
  • FIG. 3A is a flowchart of another location information processing method provided in the embodiment of the present application. As shown in FIG. 3A, the method includes the following steps:
  • the terminal device acquires location information of the terminal device.
  • the terminal device determines rough location information of the terminal device according to the location information of the terminal device.
  • step 301 and step 302 the terminal device acquires its own current precise location information, and determines rough location information according to the precise location information.
  • the specific process is as described in the aforementioned steps 201 and 202, and will not be repeated here.
  • the terminal device sends the adjusted coarse location information, and the location indicated by the adjusted coarse location information corresponds to the unique TAC.
  • the UE can acquire the adjusted coarse location information, so that the location indicated by the adjusted coarse location information corresponds to a unique TAC, then the UE reports the adjusted coarse location information to the gNB, so that the gNB can The coarse location information determines the unique TAC, or determines the unique CGI, and then reports the TAC and/or CGI to the AMF, so that the AMF can perform UE access management according to the unique TAC and/or CGI.
  • the method further includes: determining that the location indicated by the location information of the terminal device is within the first area; adjusting the location indicated by the location information of the terminal device, obtaining adjusted location information, and determining the adjusted location information according to the adjusted location information the adjusted coarse location information; or adjust the location indicated by the rough location information of the terminal device to obtain the adjusted coarse location information.
  • the method further includes: determining that the position indicated by the rough information of the terminal device intersects with multiple first areas; adjusting the position indicated by the position information of the terminal device to obtain adjusted position information, and according to the adjusted position The information determines the adjusted rough location information; or adjusts the location indicated by the rough location information of the terminal device to obtain the adjusted rough location information.
  • the UE determines that the location indicated by the location information of the UE is in the first area, that is, the UE determines that its precise location is in the first area, and the first area may be the location indicated by the access network device (this indication may be sent by the second message,
  • the second message may be a SIB1 message), or may be a location indicated by a NAS message issued by the core network, or may be a preset location in the UE.
  • the UE may adjust its own precise location, and then obtain an adjusted rough location based on the adjusted precise location information.
  • the UE adjusts its own precise position related data (including adjusting distance, adjusting direction, etc.) to correspond to the first area to which it belongs (different first areas have different adjustment related data), which can be indicated by the access network device, or It may be indicated by a NAS message issued by the core network, or may be preset in the UE.
  • the access network device sends indication information to the UE, which is used to indicate that when the precise position of the UE is in the first area A1, the precise position of the UE moves westward by 4 kilometers.
  • the foregoing adjustment for the precise location of the UE may make the adjusted precise location of the UE not within the first area.
  • the UE may adjust its own rough location, and then obtain the adjusted rough location information.
  • the data or method for UE to adjust the coarse location corresponds to the first area to which it belongs (different first areas have different adjustment data or methods), which can be indicated by the access network device, or by the NAS issued by the core network
  • the message indication can also be preset in the UE. Adjusting the data of the coarse position may include adjusting the direction or adjusting the distance, etc., and the adjustment method may be, for example, moving, folding in half, or cutting.
  • the rough position of the UE is intersected with A1 (that is, the first area where the precise position of the UE is located), and then the rough position of the non-intersecting part is cut off, and the intersection is reserved as the adjusted rough position, and the adjusted coarse position indication information is used for Indicates the adjusted coarse position.
  • the original coarse location of the UE is the location area corresponding to (116, 39).
  • the new coarse location of the UE is corresponding to (115, 39). location area.
  • the above-mentioned adjustment for the coarse location of the UE can make the adjusted coarse location of the UE not intersect with multiple first areas (only intersect with one first area, or do not intersect with any first area) ).
  • the first area divided by the access network device is the edge or junction of the area corresponding to the TAC.
  • the access network device instructs the terminal device to change its precise or rough
  • the coarse location of the UE indicated by the adjusted coarse location information obtained from the location or coarse location can be used by the access network device to determine the unique TAC corresponding to the coarse location of the UE, and the adjusted coarse location of the UE does not overlap with multiple first areas , then it must be in the area corresponding to a certain TAC, which can ensure that the coarse location of the UE indicated by the adjusted coarse location information corresponds to a unique TAC.
  • the access network device only needs to instruct the UE to change its precise location or rough location related data, and the UE may not know the correspondence between the location area range and the TAC.
  • the first area is directly determined, and the relationship between the precise position or rough position of the terminal device and the first area is used as the judgment condition for whether to adjust the precise position or rough position, so that the judgment process is clear and fast, and the Improve the efficiency of obtaining the adjusted coarse position information.
  • the UE can know the correspondence between the location area range and the TAC, then the indication information sent by the gNB can be used to indicate that the first area is in the area corresponding to the TAC distribution in .
  • the first area may be an edge position in the area corresponding to each TAC, and specifically may be a position 1 km to 2 km away from the edge.
  • the first area can be the position at the junction of the area corresponding to other TACs in the area corresponding to each TAC, then assuming that the area corresponding to each TAC borders the area corresponding to other multiple TACs, then the first area can be A collection of the area corresponding to the TAC and multiple junction locations.
  • FIG. 3D is a schematic diagram of the distribution of a first region in the region corresponding to TAC provided by the embodiment of the present application. As shown in FIG. 3D, the regions corresponding to TAC1, TAC2, TAC3 and TAC4 border each other, and S1, S2, S3, and S4 at the junction are respectively the first area among the areas corresponding to TAC1, TAC2, TAC3, and TAC4.
  • the UE when the UE determines that its precise location is in the first area, or its rough location intersects with multiple first areas, the UE can adjust its own precise location, and then obtain the adjusted location based on the adjusted precise location. coarse location information.
  • the data related to the UE's adjustment of its precise location can be indicated by the access network device, or indicated by the NAS message issued by the core network, or preset in the UE. .
  • the obtained relevant data for adjusting its precise location can be based on the area corresponding to the TAC, not just based on the network's instructions, so as to save the overhead of network transmission information.
  • FIG. 3E is a schematic diagram of adjusting the precise location of the terminal device provided by the embodiment of the present application.
  • the access network device indicates that the UE is in the first area
  • the precise location L1 of the UE is (116.39, 39.91 ), which is within S1 and at the eastern edge of the area corresponding to TAC.
  • move 10km away from the edge of the corresponding area of TAC1 that is, move westward, longitude -0.1, and the precise position L1' after the move is (116.29, 39.91), which is not in S1.
  • the UE may adjust its own rough location, and then obtain the adjusted rough location according to the adjusted rough location. location information.
  • the data or method for the UE to adjust the coarse location may be indicated by the access network device, may also be indicated by a NAS message issued by the core network, or may be preset in the UE.
  • the data for adjusting the coarse position may include an adjustment method or an adjustment distance, and the adjustment method may be, for example, moving, folding in half, or cutting.
  • the indication information sent by the gNB can instruct the UE to perform position or coarse position adjustment based on the area corresponding to the TAC to obtain the adjusted coarse position information, which reduces the specific adjustment data sent by the gNB
  • the gNB may indicate that when the rough location of the UE intersects with multiple first areas, it may cut off part of the rough location that does not intersect with the TAC area corresponding to the UE's precise location, and keep the rough location
  • the coarse position in the area corresponding to the TAC at the precise position of the UE is used as the adjusted coarse position.
  • the first area is determined according to the relationship between the area corresponding to the TAC and the first area, and the first area is used as whether The judgment condition for adjusting the precise location or coarse location, so that when the access network device indicates the first area to the terminal device, or indicates to the terminal device the degree or method of adjusting the precise location or coarse location of the terminal device, signaling transmission can be reduced content to improve communication efficiency between terminal equipment and access network equipment.
  • the UE when the UE does not know the first area, it can also complete the adjustment of its precise location or coarse location only through the binding relationship between the location area range and the TAC.
  • the first area and related indication information of the adjustment data further save the overhead of network transmission information.
  • the UE can determine the TAC corresponding to C1 according to the correspondence between the location area range and the TAC, assuming that the number of TACs corresponding to C1 is greater than one , then the UE adjusts its precise location or coarse location to obtain the adjusted coarse location, and the adjusted coarse location corresponds to a unique TAC, then sends the adjusted coarse location information to the gNB according to the adjusted coarse location information obtained from the adjusted coarse location
  • the adjusted coarse location information can ensure that the gNB obtains the unique TAC corresponding to the adjusted coarse location. This process does not require any instruction issued by the access network device.
  • the access network device receives the adjusted coarse location information, and determines second information according to the adjusted coarse location information, where the second information includes the TAC corresponding to the terminal device and/or the NG interface global cell identity CGI corresponding to the terminal device.
  • the access network device sends the second information to the access and mobility management function AMF.
  • the access network device receives the adjusted coarse location information. Since the location indicated by the adjusted coarse location information corresponds to a unique TAC, after determining the coarse location of the UE according to the adjusted coarse location information, the corresponding TAC of the coarse location of the UE can be determined. Unique TAC.
  • the gNB can send the unique TAC to the AMF, or further, determine the unique CGI corresponding to the UE according to the rough location of the UE, and then send the CGI to the AMF. Alternatively, both the unique TAC and the unique CGI may be sent to the AMF, so that the AMF performs access management on the UE.
  • the terminal device when the terminal device determines that its own precise position is within the first area, or its own rough position intersects with multiple first areas, it can adjust its own precise position, and then according to the adjusted precise The location obtains the adjusted coarse location information, and can also adjust its own coarse location to obtain the adjusted coarse location information.
  • the terminal device sends the adjusted coarse location information to the access network device, which ensures that the access network device can determine the unique TAC and/or unique CGI according to the adjusted coarse location information, thereby ensuring that the AMF can access the terminal device. into management.
  • multiple TACs and PLMNs can determine multiple TAIs, and multiple TAIs can form a TAI list (TAI list) and be assigned to a UE at the same time.
  • TAI list TAI list
  • the UE moves in the TAI list, it does not need to perform TA update (TA update, TAU), to reduce frequent interaction with the network; when the UE enters an area not in its registered TAI list, TAU needs to be executed, and the core network reassigns a set of TAIs to the UE, and the newly assigned TAI can also include Some TAIs in the original TAI list; in addition to this situation, the UE will periodically perform TAU to let the core network know the location of the UE.
  • a cell may contain areas corresponding to one or more TACs.
  • the access stratum (non-access stratum, AS) of the terminal device does not Knowing the area corresponding to which TAC you are in, the AS layer of the UE reports multiple TACs and/or TAIs to the NAS layer of the UE, so that the NAS layer of the UE cannot determine whether the TAI corresponding to the current location of the UE has been removed from the TAI list.
  • the UE cannot TAU in time, which affects the normal user experience of the UE.
  • FIG. 4 is a flow chart of a location information processing method provided in the embodiment of the present application. As shown in FIG. 4, the method includes the following steps:
  • the access layer AS of the terminal device determines location-related information of the terminal device.
  • the location-related information of the UE may be the current precise location of the UE itself, or may be other related information that indirectly reflects the location of the UE.
  • the way for the UE to determine its current precise location includes GNSS, GPS, Beidou positioning, and the like.
  • the acquired location information may be displayed geographic coordinates or implicit geographic coordinates.
  • the acquisition method includes but is not limited to: acquisition according to the synchronization signal and/or broadcast message sent by the access network device; acquisition according to the synchronization signal and/or broadcast message of the current beam sent by the access network device.
  • the access layer AS of the terminal device determines the TAC corresponding to the terminal device according to the location-related information of the terminal device and the correspondence between the location area range and the TAC;
  • the UE may acquire the correspondence between the location area range and the TAC, and the specific correspondence may be as in the aforementioned Table 1 and corresponding descriptions.
  • the manner of obtaining may include one or more of the following: obtaining according to a broadcast message sent by an access network device; obtaining according to a NAS message delivered by a core network; obtaining according to predefined information in a terminal device.
  • the location area range of the UE may be determined according to the location indicated by the UE's location related information, and then the TAC corresponding to the UE may be determined according to the TAC corresponding to the location area range.
  • the location area to which the precise location belongs can be determined. Since the UE's precise location is a location point and is in a location area, it can be Determine the unique TAC corresponding to the UE.
  • the location area range of the UE can be determined according to the beam indicated by the beam information of the UE (that is, the beam number of the UE). Since the beam of the UE may be in multiple location area ranges, therefore One or more TACs corresponding to the UE may be determined according to the beam information of the UE.
  • the above step 402 can be replaced by 402': the terminal device
  • the access layer AS of the terminal device determines the TAC corresponding to the terminal device according to the beam information of the terminal device and the corresponding relationship between the beam information and the TAC.
  • the AS of the UE determines the beam information of the UE, it can obtain the corresponding relationship between the beam information and the TAC. Obtain the broadcast message of the current beam sent by the device. After obtaining the corresponding relationship between the beam and the TAC, the area where the UE is located and one or more corresponding TACs may be determined according to the beam indicated by the beam information of the UE (ie, the beam number of the UE).
  • the access stratum AS of the terminal device sends second indication information to the non-access stratum NAS of the terminal device, where the indication information is used to indicate a TAC corresponding to the terminal device.
  • second indication information may be sent to the NAS of the UE, where the indication information is used to indicate the unique TAC and/or TAI corresponding to the area where the UE is located. Therefore, the indication information may be directly
  • the unique TAC and/or TAI may also be an index number of the unique TAC and/or TAI.
  • the NAS determines the TAI of the area where the UE is located according to the indication information, determines whether the TAI is in the TAI list, if yes, does not perform the TAU, and if not, performs the TAU process.
  • the TAC determined by the UE through the beam may not be unique, but it also reduces the number of TAC and/or TAI reported by the AS to the NAS to a certain extent, which helps to determine the TAI corresponding to the UE's current location Whether it has been removed from the TAI list.
  • the UE's non-access stratum NAS can directly obtain the correspondence between the location area range and TAC according to the NAS message sent by the core network to the UE, or obtain the location area range and whether to perform TAU. relationship, and determine whether to perform TAU according to the relationship and the location of the UE.
  • the relationship between the range of the location area and whether to execute the TAU refers to indicating whether to execute the TAU in the range for different ranges of the location area. For example, if the TAI corresponding to the location of the UE (determined according to the TAC corresponding to the location of the UE) belongs to the location area indicated by the TAI List, TAU is not triggered. For another example, if the location of the UE is within the range of the location area where the TAU is not performed, the TAU is not triggered.
  • the access layer of the terminal device when the access layer of the terminal device obtains the corresponding relationship between the location area range and the TAC, it determines the area corresponding to the TAC where it is located according to its own precise location, and sends it to the non-access layer
  • the corresponding unique TAC enables the NAS to determine the area corresponding to the TAC where the UE is located according to the unique TAC, and then timely judge and process the TAU of the UE, thereby improving paging efficiency and overall system performance.
  • the NAS layer of the UE may need to trigger a periodic TAU process or may actively initiate mobile communication. Since the NAS of the UE cannot perceive the coverage of the UE (whether the UE is within the coverage of the satellite signal), if the UE has no coverage, if the NAS layer of the UE triggers a periodic TAU process or actively initiates mobile communication, the transmitted signal network If it is not received, the power of the UE and the signaling of the network will be wasted.
  • FIG. 5 is a flowchart of an information transmission processing method provided in the embodiment of the present application. As shown in FIG. 5, the method includes the following steps:
  • the access layer AS of the terminal device acquires the coverage status of the terminal device, where the coverage status includes coverage or no coverage.
  • the coverage of the terminal equipment includes coverage or no coverage, and the specific determination methods may include:
  • the first preset threshold may be a fixed signal value, or may be a signal value that changes according to communication requirements.
  • Satellite auxiliary information includes ephemeris information, satellite coverage information (such as reference point and coverage radius), etc., and satellite coverage can be determined according to these information. Then it is determined whether the location of the terminal device is within the coverage of the satellite, if so, it is determined that there is coverage, otherwise it is determined that there is no coverage.
  • the access stratum AS of the terminal device sends third indication information to the non-access stratum NAS of the terminal device, where the indication information is used to indicate the coverage situation of the terminal device.
  • the UE's access layer AS sends the third indication information to the UE's NAS.
  • the specific sending method includes but is not limited to: periodic sending, once the UE's AS layer detects a coverage change, the coverage change includes changing from coverage to no coverage , or change from no coverage to coverage.
  • the NAS layer of the UE receives no coverage indication, it does not trigger the periodic TAU process or initiates mobile communication actively. If the NAS layer of the UE receives the coverage indication, it will determine whether to trigger the TAU process or initiate mobile communication according to the current and historical conditions.
  • the AS of the terminal device obtains the coverage status of the terminal device, and sends the coverage status to the NAS of the terminal device, so that the NAS of the terminal device adjusts the triggering timing of the periodic TAU according to the coverage status of the terminal device And the timing of actively initiating mobile communication.
  • the NAS layer of the UE does not actively trigger periodic TAU or initiate mobile communication, which saves UE power, saves network signaling overhead, and improves overall network performance.
  • the NAS layer of the UE restores the TAU process as much as possible according to the current and historical status or actively initiates mobile communication to ensure user experience to the greatest extent.
  • FIG. 6 is a communication apparatus 600 provided by an embodiment of the present application, which can be used to implement the methods and specific embodiments performed by the access network devices in FIGS. 2A to 2C and FIGS. 3A to 3E.
  • the apparatus 600 includes a processing unit 602 and a sending unit 603 .
  • a processing unit 602 configured to acquire location information of the terminal device, and determine rough location information of the terminal device according to the location information of the terminal device;
  • the sending unit 603 is configured to send first information, where the first information includes rough location information of the terminal device, and first indication information, where the first indication information is used to indicate a unique TAC corresponding to a location indicated by the location information of the terminal device; or One piece of information includes adjusted coarse location information, and the location indicated by the adjusted coarse location information corresponds to a unique TAC.
  • the processing unit 602 is further configured to: determine that the tracking area code TAC corresponding to the location indicated by the rough location information of the terminal device is greater than one.
  • one TAC corresponds to one area.
  • determining that the location indicated by the coarse location information of the terminal device corresponds to more than one tracking area code TAC includes: determining the area corresponding to the target TAC to which the location indicated by the location information of the terminal device belongs; determining the coarse location information indicated by the terminal device Whether the position of the terminal device exceeds the range of the area corresponding to the target TAC; if the position indicated by the rough position information of the terminal device exceeds the range of the area corresponding to the target TAC, it is determined that the TAC corresponding to the position indicated by the coarse position information of the terminal device is greater than one.
  • determining that the location indicated by the coarse location information of the terminal device corresponds to more than one tracking area code TAC includes: comparing the location indicated by the rough location information of the terminal device with the areas corresponding to multiple TACs, and determining the coarse location code of the terminal device. Whether the location indicated by the location information intersects with the area corresponding to more than one TAC in the area corresponding to multiple TACs; if the location indicated by the rough location information of the terminal device overlaps with the area corresponding to more than one TAC in the area corresponding to multiple TACs, Then it is determined that the TAC corresponding to the location indicated by the rough location information of the terminal device is more than one.
  • the processing unit 602 is further configured to: determine that the location indicated by the location information of the terminal device is within the first area; adjust the location indicated by the location information of the terminal device, obtain adjusted location information, and Determine the adjusted coarse location information; or adjust the location indicated by the rough location information of the terminal device to obtain the adjusted coarse location information.
  • the processing unit 602 is further configured to: determine that the position indicated by the rough information of the terminal device intersects with multiple first areas; adjust the position indicated by the position information of the terminal device, obtain adjusted position information, and calculate The location information of the terminal device is used to determine the adjusted coarse location information; or the location indicated by the rough location information of the terminal device is adjusted to obtain the adjusted coarse location information.
  • processing unit 602 may be a central processing unit (Central Processing Unit, CPU).
  • CPU Central Processing Unit
  • the foregoing communication device 600 may further include a receiving unit 601, and the sending unit 603 and the receiving unit 601 may be interface circuits or transceivers. Used to receive or send data or instructions from other electronic devices.
  • the communication device 600 may further include a storage unit (not shown in the figure), which may be used to store data and/or signaling, and the storage unit may be coupled to the receiving unit 601, the sending unit 603, and the processing unit 602 .
  • the processing unit 602 may be configured to read data and/or signaling in the storage unit, so that the channel processing process in the foregoing method embodiments is executed.
  • FIG. 7 shows a communication device 700 provided by the embodiment of the present application, which can be used to execute the methods and specific embodiments performed by the terminal devices in FIGS. 2A to 2C and FIGS. 3A to 3E .
  • the apparatus 700 includes a sending unit 701 , a receiving unit 702 and a processing unit 703 .
  • the receiving unit 702 is configured to receive first information, where the first information includes rough location information of the terminal device, and first indication information, where the first indication information is used to indicate a unique TAC corresponding to a location indicated by the location information of the terminal device;
  • the processing unit 703 is configured to determine second information according to the first information, where the second information includes the TAC corresponding to the terminal device and/or the NG interface global cell identity CGI corresponding to the terminal device;
  • the sending unit 701 is configured to send the second information to the access and mobility management function AMF.
  • determining the second location information according to the first information includes: determining the unique TAC corresponding to the location indicated by the location information of the terminal device according to the first indication information, and setting the TAC of the terminal device to The unique TAC corresponding to the location indicated by the location information is used as the TAC corresponding to the terminal device.
  • determining the second location information according to the first information includes: the location indicated by the rough location information of the terminal device, and the location corresponding to the location indicated by the location information of the terminal device.
  • the only TAC identified is the NG interface CGI.
  • processing unit 703 may be a central processing unit (Central Processing Unit, CPU).
  • CPU Central Processing Unit
  • the foregoing receiving unit 702 and sending unit 701 may be interface circuits or transceivers. Used to receive or send data or signaling from other electronic devices.
  • the communication device 700 may further include a storage unit (not shown in the figure), which may be used to store data and/or signaling, and the storage unit may be coupled to the receiving unit 702, the sending unit 701, and the processing unit 703 .
  • a storage unit (not shown in the figure), which may be used to store data and/or signaling, and the storage unit may be coupled to the receiving unit 702, the sending unit 701, and the processing unit 703 .
  • FIG. 8 shows a schematic structural diagram of an electronic device in an embodiment of the present application.
  • the structures of the communication device 600 and the communication device 700 may refer to the structure shown in FIG. 8 .
  • the electronic device 800 includes: a memory 801 , a processor 802 , a communication interface 803 and a bus 804 . Wherein, the memory 801 , the processor 802 , and the communication interface 803 are connected to each other through a bus 804 .
  • the memory 801 may be a read-only memory (Read Only Memory, ROM), a static storage device, a dynamic storage device or a random access memory (Random Access Memory, RAM).
  • the memory 801 may store a program. When the program stored in the memory 801 is executed by the processor 802, the processor 802 and the communication interface 803 are used to execute various steps of the distributed rendering method of the embodiment of the present application.
  • the processor 802 may adopt a general-purpose CPU, a microprocessor, an application-specific integrated circuit (Application Specific Integrated Circuit, ASIC), a GPU, or one or more integrated circuits for executing related programs, so as to realize the communication device of the embodiment of the present application
  • the receiving unit 601 in 600, the processing unit 602 and the sending unit 603 need to perform the functions, or realize the sending unit 701 in the communication device 700, the receiving unit 702 and the processing unit 703 need to perform the functions, or implement the method of this application Example location information processing method.
  • the processor 802 may also be an integrated circuit chip with signal processing capabilities. During implementation, each step of the distributed rendering method of the present application may be completed by an integrated logic circuit of hardware in the processor 802 or instructions in the form of software.
  • the above-mentioned processor 802 can also be a general-purpose processor, a digital signal processor (Digital Signal Processing, DSP), an application-specific integrated circuit (ASIC), a ready-made programmable gate array (Field Programmable Gate Array, FPGA) or other programmable logic devices , discrete gate or transistor logic devices, discrete hardware components.
  • DSP Digital Signal Processing
  • ASIC application-specific integrated circuit
  • FPGA Field Programmable Gate Array
  • Various methods, steps, and logic block diagrams disclosed in the embodiments of the present application may be implemented or executed.
  • a general-purpose processor may be a microprocessor, or the processor may be any conventional processor, or the like.
  • the steps of the method disclosed in connection with the embodiments of the present application may be directly implemented by a hardware decoding processor, or implemented by a combination of hardware and software modules in the decoding processor.
  • the software module can be located in a mature storage medium in the field such as random access memory, flash memory, read-only memory, programmable read-only memory or electrically erasable programmable memory, register.
  • the storage medium is located in the memory 801, and the processor 802 reads the information in the memory 801, and combines its hardware to complete the functions required by the modules included in the communication device 600 or the communication device 700 of the embodiment of the application, or to implement the method of the application.
  • Example location information processing method is described in the memory 801, and the processor 802 reads the information in the memory 801, and combines its hardware to complete the functions required by the modules included in the communication device 600 or the communication device 700 of the embodiment of the application, or to implement the
  • the communication interface 803 implements communication between the electronic device 800 and other devices or communication networks by using a transceiver device such as but not limited to a transceiver. For example, the determined segmentation target and/or candidate target bounding boxes may be obtained through the communication interface 803 .
  • the bus 804 may include a path for transferring information between various components of the electronic device 800 (eg, memory 801 , processor 802 , communication interface 803 ).
  • the electronic device 800 shown in FIG. 8 only shows a memory, a processor, and a communication interface, in the specific implementation process, those skilled in the art should understand that the electronic device 800 also includes necessary other devices. Meanwhile, according to specific needs, those skilled in the art should understand that the electronic device 800 may also include hardware devices for implementing other additional functions. In addition, those skilled in the art should understand that the electronic device 800 may only include components necessary to realize the embodiment of the present application, and does not necessarily include all the components shown in FIG. 8 .
  • the embodiment of the present application also provides a communication system, the communication system includes a first communication device and a second communication device, and the first communication device can be used to implement the above-mentioned interface in Figure 2A to Figure 2C and Figure 3A to Figure 3E
  • the second communication device may be used to execute the method executed by the terminal device in FIGS. 2A to 2C and FIGS. 3A to 3E .
  • the present application further provides a computer program, which is used to implement the operations and/or processing performed by the first communication device in the method provided in the present application.
  • the present application also provides a computer program, which is used to implement the operations and/or processing performed by the second communication device in the method provided in the present application.
  • the present application also provides a computer-readable storage medium, the computer-readable storage medium stores computer programs or computer-executable instructions, and when the computer programs or computer-executable instructions are run on the computer, the computer executes the Operations and/or processing performed by the first communication device in the method.
  • the present application also provides a computer-readable storage medium, the computer-readable storage medium stores computer programs or computer-executable instructions, and when the computer programs or computer-executable instructions are run on the computer, the computer executes the Operations and/or processing performed by the second communication device in the method.
  • the present application also provides a computer program product, which includes computer-executable instructions or computer programs.
  • a computer program product which includes computer-executable instructions or computer programs.
  • the method provided by the present application is executed by the first communication device Performed The operation and/or processing is performed.
  • the present application also provides a computer program product, which includes computer-executable instructions or computer programs, and when the computer-executable instructions or computer programs are run on a computer, the method provided by the present application is executed by the second communication device Performed The operation and/or processing is performed.
  • sequence numbers of the above-mentioned processes do not mean the order of execution, and the execution order of the processes should be determined by their functions and internal logic, and should not be used in the embodiments of the present application.
  • the implementation process constitutes any limitation.
  • modules and algorithm steps of the examples described in conjunction with the embodiments disclosed herein can be implemented by electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are executed by hardware or software depends on the specific application and design constraints of the technical solution. Those skilled in the art may use different methods to implement the described functions for each specific application, but such implementation should not be regarded as exceeding the scope of the present application.
  • the disclosed systems, devices and methods may be implemented in other ways.
  • the device embodiments described above are only illustrative.
  • the division of modules is only a logical function division. In actual implementation, there may be other division methods.
  • multiple modules or components can be combined or integrated. to another system, or some features may be ignored, or not implemented.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be through some interfaces, and the indirect coupling or communication connection of devices or modules may be in electrical, mechanical or other forms.
  • a module described as a separate component may or may not be physically separated, and a component shown as a module may or may not be a physical module, that is, it may be located in one place, or may also be distributed to multiple network modules. Part or all of the modules can be selected according to actual needs to achieve the purpose of the solution of this embodiment.
  • each functional module in each embodiment of the present application may be integrated into one processing module, each module may exist separately physically, or two or more modules may be integrated into one module.
  • the functions are implemented in the form of software function modules and sold or used as independent products, they can be stored in a computer-readable storage medium.
  • the technical solution of the present application is essentially or the part that contributes to the prior art or the part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including Several instructions are used to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the methods in various embodiments of the present application.
  • the aforementioned storage media include: U disk, mobile hard disk, read-only memory (read-only memory, ROM), random access memory (random access memory, RAM), magnetic disk or optical disc, etc., which can store program codes. .

Landscapes

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

Abstract

L'invention concerne un procédé et un appareil de traitement d'informations de localisation. Le procédé consiste à : acquérir des informations de localisation d'un dispositif terminal ; déterminer des informations de localisation grossières du dispositif terminal en fonction des informations de localisation du dispositif terminal ; envoyer des premières informations, les premières informations comprenant les informations de localisation grossières du dispositif terminal et des premières informations d'indication, et les premières informations d'indication servant à indiquer un TAC unique correspondant à un emplacement indiqué par les informations de localisation du dispositif terminal ; et recevoir les premières informations au moyen d'un dispositif de réseau d'accès, puis déterminer des secondes informations en fonction des premières informations, les secondes informations comprenant un TAC correspondant au dispositif terminal et/ou un identifiant global de cellule d'interface NG (CGI) correspondant au dispositif terminal. Au moyen des modes de réalisation de la présente demande, un dispositif de réseau d'accès peut obtenir un TAC unique, puis envoie le TAC unique et/ou un CGI d'interface NG unique à une AMF, ce qui garantit l'exécution régulière d'un processus de gestion d'accès de l'AMF.
PCT/CN2022/124422 2021-10-21 2022-10-10 Procédé et appareil de traitement d'informations de localisation WO2023066071A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202111228401.9 2021-10-21
CN202111228401.9A CN116017294A (zh) 2021-10-21 2021-10-21 位置信息处理方法及装置

Publications (1)

Publication Number Publication Date
WO2023066071A1 true WO2023066071A1 (fr) 2023-04-27

Family

ID=86021595

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2022/124422 WO2023066071A1 (fr) 2021-10-21 2022-10-10 Procédé et appareil de traitement d'informations de localisation

Country Status (2)

Country Link
CN (1) CN116017294A (fr)
WO (1) WO2023066071A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210144669A1 (en) * 2019-11-07 2021-05-13 Qualcomm Incorporated Systems and methods for supporting fixed tracking areas and fixed cells for mobile satellite wireless access
CN112806095A (zh) * 2018-09-27 2021-05-14 中兴通讯股份有限公司 基于地理位置的跟踪区域管理
WO2021207266A1 (fr) * 2020-04-08 2021-10-14 Qualcomm Incorporated Changement de code de zone de suivi pour réseaux sans fil

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112806095A (zh) * 2018-09-27 2021-05-14 中兴通讯股份有限公司 基于地理位置的跟踪区域管理
US20210144669A1 (en) * 2019-11-07 2021-05-13 Qualcomm Incorporated Systems and methods for supporting fixed tracking areas and fixed cells for mobile satellite wireless access
WO2021207266A1 (fr) * 2020-04-08 2021-10-14 Qualcomm Incorporated Changement de code de zone de suivi pour réseaux sans fil

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ZTE CORPORATION, SANECHIPS: "TAC update and UE location report", 3GPP DRAFT; R2-2108606, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG2, no. Electronic; 20210809 - 20210827, 6 August 2021 (2021-08-06), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP052034945 *

Also Published As

Publication number Publication date
CN116017294A (zh) 2023-04-25

Similar Documents

Publication Publication Date Title
US11683088B2 (en) Systems and methods for supporting fixed tracking areas and fixed cells for mobile satellite wireless access
EP3944516A1 (fr) Procédé et dispositif de traitement de paquets de données
WO2021238766A1 (fr) Procédé et appareil de communication
US11290871B2 (en) Tracking area update methods and devices
US20230171823A1 (en) Information transmission method, network device and terminal
JP2022549954A (ja) 衛星ネットワークに適用可能な隣接セル関係構成方法及び装置
WO2022067814A1 (fr) Procédé et appareil de communication
EP4311320A1 (fr) Procédé de transmission d'informations, dispositif terminal et dispositif réseau
WO2021092503A1 (fr) Systèmes et procédés permettant de prendre en charge des zones de suivi fixes et des cellules fixes pour un accès sans fil par satellite mobile
US20230163836A1 (en) Beam information indication method and apparatus
WO2023066071A1 (fr) Procédé et appareil de traitement d'informations de localisation
WO2022082433A1 (fr) Procédé d'enregistrement de localisation et dispositif terminal
WO2022061895A1 (fr) Procédé et appareil de communication
WO2021056542A1 (fr) Procédé et appareil de communication
WO2021056159A1 (fr) Procédé de traitement d'informations, dispositif de communication et satellite
WO2024008022A1 (fr) Procédé, appareil et système de communication par réseau non terrestre
EP4216602A1 (fr) Procédé de communication sans fil, dispositif terminal et dispositif de réseau
WO2024016933A1 (fr) Procédé de recherche de cellule et appareil de communication
US20240008027A1 (en) Wireless communication method, terminal device and network device
WO2022170477A1 (fr) Procédé de communication sans fil, dispositif terminal et dispositif de réseau
WO2022061928A1 (fr) Procédé de sélection de réseau, dispositif électronique et support de stockage
US20230090887A1 (en) Relay communication method and device
EP4387119A1 (fr) Procédé de communication et dispositif de communication
US20230337301A1 (en) Wireless communication method and terminal device
WO2022178844A1 (fr) Procédé de communication sans fil, dispositif de terminal et dispositif de réseau

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 22882681

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE