WO2020164507A1 - Procédé et dispositif de sélection de cellule cag, procédé et dispositif de commande de communication pour cellule cag, élément de réseau, terminal, et support de stockage - Google Patents

Procédé et dispositif de sélection de cellule cag, procédé et dispositif de commande de communication pour cellule cag, élément de réseau, terminal, et support de stockage Download PDF

Info

Publication number
WO2020164507A1
WO2020164507A1 PCT/CN2020/074838 CN2020074838W WO2020164507A1 WO 2020164507 A1 WO2020164507 A1 WO 2020164507A1 CN 2020074838 W CN2020074838 W CN 2020074838W WO 2020164507 A1 WO2020164507 A1 WO 2020164507A1
Authority
WO
WIPO (PCT)
Prior art keywords
cag
cell
terminal
cells
network element
Prior art date
Application number
PCT/CN2020/074838
Other languages
English (en)
Chinese (zh)
Inventor
刘壮
高音
黄河
高媛
韩济任
Original Assignee
中兴通讯股份有限公司
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 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Publication of WO2020164507A1 publication Critical patent/WO2020164507A1/fr

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/15—Setup of multiple wireless link connections
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
    • H04W36/0027—Control or signalling for completing the hand-off for data sessions of end-to-end connection for a plurality of data sessions of end-to-end connections, e.g. multi-call or multi-bearer end-to-end data connections

Definitions

  • This application relates to the field of communication technology, for example, to a CAG cell selection method and device, a CAG cell communication control method and device, network elements, terminals, and storage media.
  • Non-Public Networks means that access to one or more cells in a mobile communication network is restricted and conditional, while ordinary cells can allow all operators’ Legal subscribers (and roaming users) access.
  • NPN networks can use the concept of CAG (Closed Access Group) for access control.
  • CAG refers to a group of subscribers that are allowed to access one or more specific cells, and the same user can belong to multiple CAGs.
  • the fifth-generation mobile communication system (the 5th Generation mobile communication system, 5G) network architecture is innovative and flexible in networking.
  • the base station can be separated into a centralized unit (CU) and distributed Network element (Distributed Unit, DU) two functional entities.
  • One base station contains one CU and controls multiple DUs.
  • the terminal can be connected to multiple DUs under one CU.
  • 5G also supports dual connectivity technology, and the terminal can be connected to a master base station (Master Node, MN) and a secondary base station (Secondary Node, SN).
  • Master Node, MN master Node
  • SN secondary Node
  • the embodiment of the present invention provides a CAG cell selection method and device, CAG cell communication control method and device, network element, terminal, and storage medium, which solve the problem that related technologies only support the terminal and one CAG cell to maintain a single connection.
  • the embodiment of the present invention provides a method for controlling communication in a CAG cell of a closed access user group, including:
  • the target network element determines that it currently needs to use at least two CAG cells to provide connection services for the terminal, it applies for the cell resource of the corresponding CAG cell for the terminal;
  • the target network element sends the requested cell resource to the terminal, so that the terminal can connect to at least two CAG cells at the same time.
  • the embodiment of the present invention also provides a CAG cell selection method, including:
  • the terminal receives a cell system message, where the cell system message includes CAG cell assistance information;
  • the terminal selects a suitable target CAG cell to camp on or reselect according to the CAG cell assistance information.
  • the embodiment of the present invention also provides a CAG cell communication control device, including:
  • the control module is configured to apply for cell resources of the corresponding CAG cell for the terminal when determining that at least two CAG cells are currently needed to provide connection services for the terminal;
  • the sending module is configured to send the cell resources requested by the control module to the terminal, so that the terminal can connect to at least two CAG cells at the same time.
  • the embodiment of the present invention also provides a CAG cell selection device, including:
  • a receiving module configured to receive cell system messages, where the cell system messages include CAG cell assistance information;
  • the processing module is configured to select a suitable target CAG cell for camping or reselection according to the CAG cell assistance information.
  • the embodiment of the present invention also provides a network element, including a first processor, a first memory, and a first communication bus;
  • the first communication bus is used to connect the first processor and the first memory
  • the first processor is configured to execute a first computer program stored in the first memory to implement the CAG cell communication control method described above.
  • the embodiment of the present invention also provides a terminal including a second processor, a second memory, and a second communication bus;
  • the second communication bus is used to connect the second processor and the second memory
  • the second processor is configured to execute a second computer program stored in the second memory to implement the CAG cell selection method described above.
  • the embodiment of the present invention also provides a computer-readable storage medium, wherein the computer-readable storage medium stores one or more first computer programs, and the one or more first computer programs can be Or executed by multiple processors to implement the above-mentioned CAG cell communication control method;
  • the computer-readable storage medium stores one or more second computer programs, and the one or more second computer programs can be executed by one or more processors to implement the CAG cell communication control method as described above.
  • the target network element determines that it currently needs to use at least two CAG cells to provide connection services for the terminal, it applies for the corresponding CAG for the terminal Cell resources of the cell; and send the applied cell resources to the terminal so that the terminal can connect to at least two CAG cells at the same time, so that the terminal can maintain connections with multiple CAG cells at the same time.
  • Relatively related technologies only support a terminal and one The CAG cell maintains a single connection problem, which enriches cell connection methods and improves communication performance and user satisfaction.
  • FIG. 1 is a schematic flowchart of a CAG cell communication control method according to the first embodiment of the present invention
  • FIG. 2 is a schematic diagram of the application process of the target base station after the handover in the second embodiment of the present invention using dual base station connections to provide multiple CAG cell services for the terminal;
  • FIG. 3 is a schematic diagram of an application process in which a target base station after handover uses multiple DUs to provide a terminal with multiple CAG cell services after a handover in Embodiment 3 of the present invention
  • FIG. 4 is a schematic diagram of the application process of adding an SN node to a dual connection to provide a terminal with multiple CAG cell services according to the fourth embodiment of the present invention
  • FIG. 5 is a schematic diagram of the application process of adding DU nodes to provide multi-CAG cell services for terminals according to Embodiment 5 of the present invention
  • FIG. 6 is a schematic diagram of the application process of using multiple DUs to provide multiple CAG cell services for the terminal in the service establishment process of the sixth embodiment of the present invention
  • FIG. 7 is a schematic flowchart of a CAG cell selection method according to Embodiment 7 of the present invention.
  • FIG. 8 is a schematic diagram of the application process of the cell broadcast carrying CAG information according to the seventh embodiment of the present invention.
  • FIG. 9 is a schematic structural diagram of a CAG cell communication control apparatus according to Embodiment 8 of the present invention.
  • FIG. 10 is a schematic structural diagram of a CAG cell selection apparatus according to Embodiment 8 of the present invention.
  • FIG. 11 is a schematic diagram of a network element structure according to Embodiment 9 of the present invention.
  • FIG. 12 is a schematic structural diagram of a terminal according to Embodiment 9 of the present invention.
  • This embodiment provides a cell communication control method that enables a terminal to maintain a connection with multiple CAG cells at the same time. As shown in FIG. 1, it includes:
  • the target network element in this embodiment determines the number of CAG cells that need to be used for the foregoing terminal, which can be flexibly determined according to the current needs of the terminal and/or other factors.
  • the target network element in this embodiment may be a CU or a base station.
  • the cell resources applied for in this embodiment may include, but are not limited to, physical parameters and service bearer parameters of the cell.
  • the target network element sends the requested cell resources to the terminal, so that the terminal can connect to at least two CAG cells at the same time.
  • each CAG cell can be set with a CAG identity (Identifier, ID), and the terminal (User Equipment, UE) can maintain a CAG ID list of its CAG (allowed CAG ID list, which can be called CAG ID whitelist list), each CAG cell broadcasts a CAG ID, and members of the closed user group identified by this CAG ID can visit the cell.
  • ID Identifier
  • UE User Equipment
  • the CAG IDs of the two CAG cells that the terminal is connected to at the same time may be the same, or may be different in some examples, and may be flexibly determined according to current specific application scenarios.
  • the target network element may determine whether it is currently necessary to use at least two CAG cells to provide connection services for the terminal based on at least one of the handover request message and the terminal measurement report. For ease of understanding, the following two examples are used to illustrate it.
  • the target network element receives the handover request message sent by the source network element (for example, the source base station) currently corresponding to the terminal, and when it is determined according to the handover request message that at least two CAG cells currently need to be used to provide connection services for the terminal, apply for at least two Cell resources of the CAG cell.
  • the source network element for example, the source base station
  • the handover request message may carry first configuration information, and the first configuration information includes but is not limited to at least one of the following: target candidate cell identity; CAG ID of one or more CAG cells supported by the terminal; target When the candidate cell includes a CAG cell, it is the CAG membership information of the target candidate cell of the CAG cell.
  • the CAG membership information is used to indicate whether the terminal user is a CAG member of the CAG cell.
  • the first configuration information may include the foregoing three types of information, and in another application scenario, the first configuration information may include the foregoing first type of information and the second type of information, or include the foregoing first type of information and The third type of information.
  • the target candidate cell may be determined based on the terminal measurement report of the terminal and/or other information.
  • the target network element is a target centralized network element CU.
  • the target CU uses the terminal UE text establishment process according to the above-mentioned first configuration information, and applies for the corresponding distributed network element DU under it.
  • the target network element is the master base station MN, and the MN applies for the cell resource of the corresponding CAG cell on the corresponding SN under it through the request process of adding the slave base station SN according to the above-mentioned first configuration information .
  • the target network element can send the requested cell resources to the terminal through but not limited to radio resource control (Radio Resource Control, RRC).
  • RRC Radio Resource Control
  • the target network element may further include: after the terminal completes the handover, the target network element sends a path update message to the core network (of course, other messages may also be sent), where the path update message includes the second configuration information
  • the second configuration information includes but is not limited to at least one of the following: CAG membership information of the CAG cell; MN side or SN side indication for indicating whether the CAG membership information of the CAG cell is for the MN side cell or the SN side cell; Group ID, used to indicate the cell group where the CAG cell is located.
  • the target network element receives a path update feedback message sent by the core network
  • the path update feedback message includes membership information verified by the core network
  • the membership information verified by the core network includes but is not limited to at least one of the following:
  • the verified CAG membership information indicates the verification result of whether the terminal user is a CAG member of a CAG cell; the MN side or SN side indication is used to indicate whether the CAG membership information is for the MN side cell or the SN side cell; Cell group ID.
  • the target network element determines whether it is currently necessary to use at least two CAG cells to provide connection services for the terminal according to the terminal measurement report.
  • the target network element when the target network element currently provides at least one CAG cell connection service for the terminal, and determines the need to add N CAG cells for the terminal to provide connection services for the terminal according to the terminal measurement report of the terminal, it applies for N corresponding CAG cells for the terminal.
  • Cell resource where N is an integer greater than or equal to 1; and when the terminal measurement report includes a CAG cell, it includes CAG membership information of the CAG cell.
  • the target network element is the target CU
  • the target CU can pass the terminal UE according to the terminal measurement report (for example, the measurement quality information of multiple cells in the terminal measurement report and the CAG membership information of the corresponding cell).
  • the terminal measurement report for example, the measurement quality information of multiple cells in the terminal measurement report and the CAG membership information of the corresponding cell.
  • the text establishment process apply for the cell resources of the corresponding CAG cell on the corresponding DU under it.
  • the target network element is the master base station MN, and the MN passes the slave station according to the terminal measurement report (for example, the measurement quality information of multiple cells in the terminal measurement report and the CAG membership information of the corresponding cell).
  • the base station SN adds a request process, and applies for the cell resources of the corresponding CAG cell on the corresponding SN under it.
  • the method may further include:
  • the target network element sends a modification message to the core network.
  • the modification message may include, but is not limited to, at least one of a protocol data unit (Protocol Data Unit, PDU) resource modification message and a terminal text modification message, where the modification message includes the third configuration Information, the third configuration information may include but is not limited to at least one of the following: CAG membership information of the CAG cell; MN side or SN side indication, used to indicate whether the CAG membership information is for the MN side cell or the SN side cell ; Community group ID.
  • PDU Protocol Data Unit
  • the target network element receives the modification feedback message (such as PDU resource modification feedback message, terminal text modification feedback message) sent by the core network
  • the modification feedback message may include, but is not limited to, the core network verified membership.
  • Information, the membership information verified by the core network may include but is not limited to at least one of the following: verified CAG membership information, indicating whether the end user is a CAG member of a CAG cell; the MN side or the SN side indicates , Used to indicate whether the CAG membership information is for the MN side cell or the SN side cell; the cell group ID.
  • the target network element may also send the requested cell resources to the terminal through the radio resource control RRC reconfiguration process, so that the terminal can connect to multiple corresponding CAG cells at the same time.
  • the CAG cell may have a closed CAG cell (Close CAG cell) and a hybrid CAG cell (Hybrid CAG cell).
  • Close CAG cell Close CAG cell
  • Hybrid CAG cell Hybrid CAG cell
  • the target network element may also provide multiple CAG cells for the terminal when determining that multiple CAG cells need to be provided for the terminal during the service establishment process of the terminal, so that the terminal can communicate with the terminal. Multiple CAG cells establish connections at the same time.
  • the CAG cell communication control method in this embodiment can enable the terminal to maintain connections with multiple CAG cells at the same time, thereby improving communication performance and user experience satisfaction.
  • this embodiment is based on the foregoing embodiments, and is illustrated below with a specific application scenario.
  • the target base station of the handover uses dual base station connection to provide multi-CAG cell service for the terminal.
  • the process includes:
  • the source MN receives a terminal measurement report (Measurement Report), where the measurement report contains CAG membership information of multiple measurement cells (that is, cells to be measured).
  • the source MN sends a handover request message (Handover Request) to the target MN, where the handover request message carries first configuration information, and the first configuration information may be used to indicate CAG information of multiple target candidate cells.
  • the first configuration information includes at least one of the following: multiple target candidate cell identities; one or more CAG IDs supported by the terminal; CAG membership information corresponding to the target candidate cell to indicate whether the terminal user is in a CAG cell CAG member.
  • the target MN determines the CAG cell resource served by the terminal according to the first configuration information in the received handover request message.
  • S204 The target MN applies for the cell resource of the corresponding CAG cell on the target SN through the SN addition procedure (SN addition Procedure).
  • the target MN returns a handover request acknowledgement message to the source MN, including the requested cell resource of the corresponding CAG cell.
  • the source MN notifies the terminal user of the multiple CAG cell resources applied for through the RRC reconfiguration process (RRC reconfiguration).
  • S207 The terminal performs a random access procedure (random access procedure) on the target MN and the target SN.
  • RRC reconfiguration complete The terminal sends an RRC reconfiguration complete message (RRC reconfiguration complete) to the target MN, and the terminal maintains connections with multiple CAG cells at the same time.
  • the target MN sends a path update message to the core network, and the path update message carries second configuration information.
  • the second configuration information includes at least one of the following: multiple CAG cell membership information, indicating whether the terminal user is a CAG cell The CAG member of; MN side or SN side indication, used to indicate whether the above CAG membership information is for MN side cell or SN side cell; cell group ID (CELL GROUP ID), used to indicate the cell group where the CAG cell is located.
  • the target MN receives a path update feedback message for the path update message sent by the core network, where the feedback message carries membership information verified by the core network, and the verified membership information includes at least one of the following: multiple verified CAGs Cell membership information, indicating whether the end user is a CAG member of a CAG cell; MN side or SN side indication, used to indicate whether the above CAG membership information is for the MN side cell or the SN side cell; Cell group ID (CELL GROUP ID ), used to indicate the cell group where the CAG cell is located.
  • multiple verified CAGs Cell membership information indicating whether the end user is a CAG member of a CAG cell
  • MN side or SN side indication used to indicate whether the above CAG membership information is for the MN side cell or the SN side cell
  • Cell group ID CELL GROUP ID
  • the target MN and/or target SN trigger subsequent operations such as Quality of Service (QoS) service reduction/handover/connection release.
  • QoS Quality of Service
  • the target base station of the handover uses multiple DUs to provide multiple CAG cell services for the terminal.
  • CU is the CU of the target base station for handover.
  • Both DU1 and DU2 belong to CU. It should be understood that the number of DUs corresponding to CU can be flexibly set.
  • the source base station receives a terminal measurement report (Measurement Report), where the measurement report contains CAG membership information of multiple measurement cells.
  • the source base station sends a handover request message (Handover Request) to the target CU, where the handover request message carries first configuration information, and the first configuration information is used to indicate CAG information of multiple target candidate cells.
  • the first configuration information includes at least one of the following: multiple target candidate cell identities; one or more CAG IDs supported by the terminal; CAG membership information corresponding to the target candidate cell to indicate whether the terminal user is a CAG cell Member of CAG.
  • the CU base station applies for CAG cell resources on DU1 through the UE text setup process (UE CONTEXT SETUP) according to the first configuration information in the received handover request message.
  • UE CONTEXT SETUP UE text setup process
  • S304 The CU base station applies for CAG cell resources on DU2 through the UE text establishment process (UE CONTEXT SETUP) according to the first configuration information in the received handover request message. There is no restriction on the sequence between this step and S303.
  • UE CONTEXT SETUP UE text establishment process
  • S305 The CU returns a handover request acknowledgement message to the source base station, including the requested cell resource of the corresponding CAG cell.
  • the source base station notifies the terminal user of the multiple CAG cell resources applied for through an RRC reconfiguration process (RRC reconfiguration).
  • S307 The terminal performs a random access procedure (random access procedure) on DU1 and DU2.
  • RRC reconfiguration complete The terminal sends an RRC reconfiguration complete message (RRC reconfiguration complete) to the CU, and the terminal maintains a connection with the CAG cells of DU1 and DU2 at the same time.
  • the CU sends a path switch request to the core network, and the path switch request carries second configuration information.
  • the second configuration information includes at least one of the following: multiple CAG cell membership information, indicating whether the terminal user It is a CAG member of a CAG cell; the cell group ID (CELL GROUP ID) is used to indicate the cell group where the CAG cell is located.
  • the CU receives a path switch request acknowledgement message for the path update message sent by the core network, where the feedback message carries membership information verified by the core network, and the verified membership information includes at least one of the following: Multiple verified CAG cell membership information indicates whether the terminal user is a CAG member cell group ID (CELL GROUP ID) of a CAG cell, and is used to indicate the cell group where the CAG cell is located.
  • CELL GROUP ID CAG member cell group ID
  • the CU triggers subsequent operations such as lowering the QOS service/switching/releasing the connection.
  • dual connectivity adds SN nodes to provide multi-CAG cell services for terminals.
  • the terminal in the figure establishes a connection with the CAG1 cell on the MN side of the main base station; the process in this application scenario includes:
  • the MN receives a terminal measurement report (Measurement Report), where the measurement report includes CAG membership information of multiple measurement cells.
  • the MN applies for CAG cell resources from the SN Secondary Node through the SN addition request process according to the multiple cell measurement quality information in the received terminal measurement report and the CAG membership information of the corresponding cell. (Note that in this S402, multiple SNs can be requested to request multiple SNs and CAG cell resources).
  • S403 The MN notifies the terminal user of the added one or more CAG cell resources through an RRC reconfiguration process (RRC connection reconfiguration).
  • S404 The MN returns SN reconfiguration complete (reconfigruation complete) to the SN base station.
  • S405 The terminal performs random access (random access procedure) on the SN base station.
  • the MN sends the following message, but not limited to a PDU resource modification message or a UE text modification message, to the core network.
  • the message carries third configuration information, and the third configuration information includes at least one of the following: one or more CAGs Cell membership information, indicating whether the end user is a CAG member of a CAG cell; MN side or SN side indication, used to indicate whether the membership information is for the MN side cell or the SN side cell; Cell group ID (CELL GROUP ID ), used to indicate the cell group where the CAG cell is located.
  • the MN receives a feedback message for a PDU resource modification message or a UE text modification message sent by the core network, where the feedback message carries membership information verified by the core network, and the verified membership information includes at least one of the following: one or Multiple verified CAG cell membership information indicating whether the terminal user is a CAG member of a CAG cell; MN side or SN side indication, used to indicate whether the membership information is for the MN side cell or the SN side cell; Group ID (CELL GROUP ID) is used to indicate the cell group where the CAG cell is located.
  • the MN triggers subsequent operations such as lowering the QOS service/handover/releasing the connection.
  • DU nodes are added to provide multiple CAG cell services for the terminal.
  • the process in this application scenario includes:
  • the CU receives a terminal measurement report (Measurement Report), where the measurement report includes CAG membership information of multiple measurement cells.
  • the CU base station applies for CAG cell resources on DU2 through the UE text establishment process (UE CONTEXT SETUP) according to the multiple cell measurement quality information in the received terminal measurement report and the CAG membership information of the corresponding cell. (Note that in this S502, multiple DUs can be requested to request multiple DU CAG cell resources).
  • the CU notifies the terminal user of the added one or more CAG cell resources through an RRC reconfiguration process (RRC connection reconfiguration).
  • S504 The terminal performs random access (random access procedure) on DU2.
  • S505 The terminal sends an RRC reconfiguration complete message to the CU (reconfigruation complete).
  • the CU sends the following message, but not limited to a PDU resource modification message or a UE text modification message, to the core network, the message carries third configuration information, and the third configuration information includes at least one of the following: one or more CAGs Cell membership information, indicating whether the terminal user is a CAG member of a CAG cell; MN side or SN side indication, used to indicate whether the membership information is for the MN side cell or the SN side cell; Cell group ID (CELL GROUP ID ), used to indicate the cell group where the CAG cell is located.
  • the third configuration information includes at least one of the following: one or more CAGs Cell membership information, indicating whether the terminal user is a CAG member of a CAG cell; MN side or SN side indication, used to indicate whether the membership information is for the MN side cell or the SN side cell; Cell group ID (CELL GROUP ID ), used to indicate the cell group where the CAG cell is located.
  • the CU receives the feedback message for the PDU resource modification message or the UE text modification message sent by the core network, where the feedback message carries the core network verified membership information, and the verified membership information includes at least one of the following: one or Multiple verified CAG cell membership information, indicating whether the terminal user is a CAG member of a CAG cell; MN side or SN side indication, used to indicate whether the membership information is for the MN side cell or the SN side cell; Group ID (CELL GROUP ID) is used to indicate the cell group where the CAG cell is located.
  • the feedback message carries the core network verified membership information
  • the verified membership information includes at least one of the following: one or Multiple verified CAG cell membership information, indicating whether the terminal user is a CAG member of a CAG cell; MN side or SN side indication, used to indicate whether the membership information is for the MN side cell or the SN side cell; Group ID (CELL GROUP ID) is used to indicate the cell group where the CAG cell is located.
  • the CU triggers subsequent operations such as lowering the QOS service/switching/releasing the connection.
  • Embodiment 6 is a diagrammatic representation of Embodiment 6
  • multiple DUs are used to provide the terminal with multiple CAG cell services.
  • the process in this application scenario includes:
  • S601 The terminal and the base station where the CU is located complete the RRC connection establishment process, and complete the establishment of the signaling bearer (Signal Resource Bearer, SRB).
  • SRB Signaling Bearer
  • the CU sends the UE initial uplink message (initial UE message) to the core network, where the message contains at least one of the following: CAG IDs of multiple cells, and the type of the corresponding cell (used to identify whether the cell is a Hybrid CAG cell or a close CAG cell , Or a non-CAG cell), the membership information of the corresponding cell (indicating whether the end user is a CAG member of a CAG cell), and the cell group ID (CELL GROUP ID) is used to indicate the cell group where the CAG cell is located.
  • CAG IDs of multiple cells the type of the corresponding cell (used to identify whether the cell is a Hybrid CAG cell or a close CAG cell , Or a non-CAG cell)
  • the membership information of the corresponding cell indicating whether the end user is a CAG member of a CAG cell
  • CELL GROUP ID is used to indicate the cell group where the CAG cell is located.
  • S603 The core verifies the membership information of multiple cells in the UE initial uplink message.
  • the CU receives the UE initial context setup request message (initial UE context setup request) sent by the core network, where the message carries membership information verified by the core network, and the verified membership information includes at least one of the following: one or more A verified CAG cell membership information indicates whether the terminal user is a CAG member of a CAG cell; the cell group ID (CELL GROUP ID) is used to indicate the cell group where the CAG cell is located.
  • the UE initial context setup request message (initial UE context setup request) sent by the core network
  • the message carries membership information verified by the core network, and the verified membership information includes at least one of the following: one or more A verified CAG cell membership information indicates whether the terminal user is a CAG member of a CAG cell; the cell group ID (CELL GROUP ID) is used to indicate the cell group where the CAG cell is located.
  • the cell group ID CELL GROUP ID
  • the CU applies for CAG cell resources on DU2 through a UE text establishment process (UE CONTEXT SETUP).
  • UE CONTEXT SETUP UE text establishment process
  • the CU applies for CAG cell resources on DU1 through the UE text establishment process (UE CONTEXT SETUP).
  • the CU notifies the terminal user of the added multiple CAG cell resources through an RRC reconfiguration process (RRC reconfiguration).
  • S608 The terminal returns SN reconfiguration complete (reconfigruation complete) to the CU base station.
  • this embodiment further provides a CAG cell selection method on the basis of the foregoing embodiments. As shown in FIG. 7, it includes:
  • S701 The terminal receives a cell system message, where the cell system message includes CAG cell assistance information.
  • the CAG cell assistance information may include but is not limited to at least one of the following:
  • Cell type information of the current cell where the current cell is the current serving cell of the terminal, and the cell type information includes at least one of a closed CAG, a hybrid CAG, and a non-CAG type;
  • the CAG ID of the CAG cell When there is a CAG cell in the neighboring cell of this cell, the CAG ID of the CAG cell;
  • this cell is a CAG cell
  • S702 The terminal selects a suitable target CAG cell to camp on or reselect according to the CAG cell assistance information.
  • the terminal selects a specific CAG cell in the CAG cell assistance letter for measurement according to its own CAG ID whitelist list and the above CAG cell assistance information, and the specific CAG cell satisfies its CAG ID in the CAG ID whitelist list , Or not in the CAG ID whitelist list but the CAG cell type is hybrid CAG; the terminal selects a suitable target CAG cell for camping or reselection according to the measurement result and the cell frequency selection priority.
  • Figure 8 an application scenario is shown in Figure 8, which includes:
  • the base station sends a system message to the terminal.
  • the CAG cell assistance information carried in the system message includes at least one of the following: CAG IDs of multiple neighboring cells of the cell; cell type information of the cell (used to identify whether the cell is a hybrid CAG cell , Or close CAG cell or non-CAG cell); this cell selects the priority for the cell frequency of CAG member users and non-member users; neighboring cell selects the priority for the cell frequency of CAG member users and non-member users.
  • the terminal is in a disconnected state, and the terminal selects a specific CAG cell in the auxiliary information for measurement according to the allowed CAG ID whitelist list reserved by itself and the system message CAG cell auxiliary information.
  • the specific CAG cell satisfies the corresponding CAG ID in the terminal Or is not in the whitelist list but the type is Hybrid CAG cell.
  • Embodiment 8 is a diagrammatic representation of Embodiment 8
  • this embodiment also provides a CAG cell communication control device on the basis of the foregoing embodiments, which can be applied to a target network element, as shown in FIG. 9, which includes:
  • the control module 901 is configured to apply for cell resources of the corresponding CAG cell for the terminal when determining that at least two CAG cells are currently needed to provide connection services for the terminal; the sending module 902 is configured to send the cell resources applied by the control module 901 To the terminal so that the terminal can connect to at least two CAG cells at the same time.
  • the CAG IDs of the two CAG cells that the terminal is connected to at the same time may be the same, or may be different in some examples, and may be flexibly determined according to current specific application scenarios.
  • control module 901 may determine whether it is currently necessary to use at least two CAG cells to provide connection services for the terminal based on at least one of a handover request message, a terminal measurement report, and the like. For ease of understanding, the following two examples are used to illustrate it.
  • the control module 901 receives the handover request message sent by the source network element (for example, the source base station) currently corresponding to the terminal, and when it determines according to the handover request message that at least two CAG cells need to be used to provide connection services for the terminal, it applies for at least two Cell resources of the CAG cell.
  • the source network element for example, the source base station
  • the handover request message may carry first configuration information, and the first configuration information includes but is not limited to at least one of the following: target candidate cell identity; CAG ID of one or more CAG cells supported by the terminal; target When the candidate cell includes a CAG cell, it is the CAG membership information of the target candidate cell of the CAG cell.
  • the CAG membership information is used to indicate whether the terminal user is a CAG member of the CAG cell.
  • the control module 901 is a module in the target centralized network element CU. According to the above-mentioned first configuration information, the terminal UE text establishment process is used to apply on the corresponding distributed network element DU under it.
  • control module 901 may send the requested cell resources to the terminal through but not limited to radio resource control (Radio Resource Control, RRC).
  • RRC Radio Resource Control
  • control module 901 can be used to send a path update message to the core network through the sending module 902 (of course, other messages can also be sent) after the terminal completes the handover.
  • the path update message includes the second configuration Information, where the second configuration information includes but is not limited to at least one of the following:
  • CAG membership information of the CAG cell MN side or SN side indication, used to indicate whether the CAG membership information of the CAG cell is for the MN side cell or the SN side cell; cell group ID, used to indicate the cell group where the CAG cell is located.
  • control module 901 may also be configured to receive a path update feedback message sent by the core network, the path update feedback message includes the core network verified membership information, and the core network verified membership information includes but is not limited to at least one of the following:
  • the verified CAG membership information indicates the verification result of whether the terminal user is a CAG member of a CAG cell; the MN side or SN side indication is used to indicate whether the CAG membership information is for the MN side cell or the SN side cell; Cell group ID.
  • control module 901 determines whether it is currently necessary to use at least two CAG cells to provide connection services for the terminal according to the terminal measurement report.
  • control module 901 when the control module 901 currently provides at least one CAG cell connection service for the terminal, and determines according to the terminal measurement report of the terminal that it is necessary to add N CAG cells for the terminal to provide connection services for the terminal, it applies for N corresponding CAG cells for the terminal.
  • Cell resource where N is an integer greater than or equal to 1; and when the terminal measurement report includes a CAG cell, it includes CAG membership information of the CAG cell.
  • control module 901 is a module in the target CU, and the control module 901 can be based on the terminal measurement report (for example, the measurement quality information of multiple cells in the terminal measurement report and the CAG membership information of the corresponding cell).
  • the terminal measurement report for example, the measurement quality information of multiple cells in the terminal measurement report and the CAG membership information of the corresponding cell.
  • the control module 901 is a module in the main base station MN, and the control module 901 According to the terminal measurement report (for example, the measurement quality information of multiple cells in the terminal measurement report and the CAG membership information of the corresponding cell) through the add request process from the base station SN, the cell resource of the corresponding CAG cell is applied for on the corresponding SN under it.
  • the terminal measurement report for example, the measurement quality information of multiple cells in the terminal measurement report and the CAG membership information of the corresponding cell
  • the cell resource of the corresponding CAG cell is applied for on the corresponding SN under it.
  • the method may further include:
  • the sending module 902 sends a modification message to the core network.
  • the modification message may include, but is not limited to, at least one of a protocol data unit (Protocol Data Unit, PDU) resource modification message and a terminal text modification message, wherein the modification message includes the third Configuration information, the third configuration information may include but is not limited to at least one of the following:
  • CAG membership information of the CAG cell MN side or SN side indication, used to indicate whether the CAG membership information is for the MN side cell or the SN side cell; cell group ID.
  • control module 901 may also be used to receive the modification feedback message (such as PDU resource modification feedback message, terminal text modification feedback message) sent by the core network, and the modification feedback message may include but is not limited to members verified by the core network.
  • the modification feedback message may include but is not limited to members verified by the core network.
  • qualification information, the membership information verified by the core network may include but is not limited to at least one of the following:
  • the verified CAG membership information indicates the verification result of whether the terminal user is a CAG member of a CAG cell; the MN side or SN side indication is used to indicate whether the CAG membership information is for the MN side cell or the SN side cell; Cell group ID.
  • control module 901 may also send the requested cell resources to the terminal through the radio resource control RRC reconfiguration process, so that the terminal can connect to multiple corresponding CAG cells at the same time.
  • the control module 901 may directly Reselect a cell for the terminal, or maintain the connection of the terminal in the CAG cell when the CAG cell is a hybrid CAG cell.
  • the control module 901 may also provide multiple CAG cells for the terminal when determining that multiple CAG cells need to be provided for the terminal during the service establishment process of the terminal, so that the terminal can communicate with the terminal. Multiple CAG cells establish connections at the same time.
  • This embodiment also provides a CAG cell selection device, which can be applied to a terminal, as shown in FIG. 10, which includes:
  • the receiving module 1001 is configured to receive a cell system message, where the cell system message includes CAG cell assistance information; for example, in an example, the CAG cell assistance information includes at least one of the following:
  • the current cell is the current serving cell of the terminal, and the cell type information includes at least one of a closed CAG, a hybrid CAG, and a non-CAG type; there is a CAG cell in the neighboring cell of the cell
  • the CAG ID of the CAG cell when the cell is a CAG cell, the priority is selected for the cell frequency of CAG member users and non-CAG member users; the neighboring cell of the CAG cell is for CAG member users and non-CAG member users The priority of cell frequency selection.
  • the processing module 1002 is configured to select a suitable target CAG cell for camping or reselection according to the CAG cell assistance information.
  • the processing module 1002 selects a specific CAG cell in the CAG cell assistance letter for measurement according to the terminal’s own CAG ID whitelist list and the above CAG cell assistance information, and the specific CAG cell satisfies its CAG ID in the CAG ID white list.
  • the terminal selects the appropriate target CAG cell to camp on or re-enter according to the measurement result and the cell frequency selection priority. selected.
  • This embodiment also provides a network element, which may be various types of base stations. As shown in FIG. 11, it includes a first processor 1101, a first memory 1102, and a first communication bus 1103;
  • the bus 1103 is used to implement a communication connection between the first processor 1101 and the first memory 1102; in an example, the first processor 1101 may be used to execute one or more first computer programs stored in the first memory 1102, In order to realize the steps of the CAG cell communication control method in the above embodiments.
  • the base station in this embodiment includes a baseband unit (Building Baseband Unit, BBU), a remote radio unit (Radio Remote Unit, RRU), and an antenna, of which:
  • BBU Building Baseband Unit
  • RRU Radio Remote Unit
  • the baseband unit is responsible for centralized control and management of the entire base station system, completes uplink and downlink baseband processing functions, and provides physical interfaces with radio frequency units and transmission networks to complete information exchange.
  • the baseband unit may include a baseband processing unit, a main control unit, a transmission interface unit, and so on.
  • the main control unit mainly implements the control management, signaling processing, data transmission, interactive control, system clock supply and other functions of the baseband unit;
  • the baseband processing unit is used to complete baseband protocol processing such as signal encoding and modulation, resource scheduling, and data encapsulation, and provides The interface between the baseband unit and the remote radio unit;
  • the transmission interface unit is responsible for providing the transmission interface connected to the core network.
  • the above-mentioned logical function units can be distributed on different physical boards, or integrated on the same board.
  • the baseband unit may adopt a baseband master control integrated type or a baseband master control separated type.
  • the baseband master control integrated type the master control, transmission, and baseband integrated design, that is, the baseband processing unit, the master control unit, and the transmission interface unit are integrated on a physical board.
  • the architecture has higher reliability and lower cost. Delay, higher resource sharing and scheduling efficiency, while lower power consumption.
  • the baseband master control separation type the baseband processing unit and the master control unit are distributed on different boards, corresponding to the baseband board and the master control board.
  • the separated architecture supports free combination between boards and facilitates flexible expansion of the baseband. Specific settings can be flexibly adopted according to requirements.
  • the remote radio unit communicates with the BBU through the baseband radio frequency interface to complete the conversion between the baseband signal and the radio frequency signal.
  • the remote radio unit mainly includes an interface unit, a downlink signal processing unit, an uplink signal processing unit, a power amplifier unit, a low noise amplifier unit, a duplexer unit, etc., forming a downlink signal processing link and an uplink signal processing link.
  • the interface unit provides a fronthaul interface with the baseband unit to receive and send baseband IQ signals;
  • the downlink signal processing unit performs signal processing functions such as signal up-conversion, digital-to-analog conversion, and radio frequency modulation;
  • the uplink signal processing unit mainly performs signal filtering, Mixing, analog-to-digital conversion, down-conversion and other functions;
  • the power amplifier unit is used to amplify the downlink signal and then sent through the antenna, such as to the terminal;
  • the noise floor unit is used to amplify the downlink signal received by the antenna and then sent to the downlink
  • the signal processing unit performs processing;
  • the duplexer unit supports multiplexing of received and received signals and filters the received and received signals.
  • the base station in this embodiment can also adopt a CU (Central Unint, Central Unit)-DU (Distributed Unit) architecture, where DU is a distributed access point and is responsible for completing the underlying baseband protocol. And radio frequency processing function, CU is the central unit, responsible for processing high-level protocol functions and centralized management of multiple DU. CU and DU jointly complete the baseband and radio frequency processing functions of the base station.
  • CU Central Unint, Central Unit
  • DU distributed access point and is responsible for completing the underlying baseband protocol.
  • radio frequency processing function CU is the central unit, responsible for processing high-level protocol functions and centralized management of multiple DU.
  • CU and DU jointly complete the baseband and radio frequency processing functions of the base station.
  • the base station may also include a storage unit for storing various data.
  • the storage unit may store one or more of the above-mentioned computer programs, and the above-mentioned main control unit or central unit may serve as a processor to call the storage unit.
  • the functions of the control module and the sending module of the CAG cell communication control device can also be implemented by the above-mentioned main control unit or central unit.
  • This embodiment also provides a terminal. As shown in FIG. 12, it includes a second processor 1201, a second memory 1202, and a second communication bus 1203; the second communication bus 1203 is used to implement the second processor 1201 and the second communication bus 1203.
  • the communication connection between the two memories 1202; in an example, the second processor 1201 may be used to execute one or more second computer programs stored in the second memory 1202 to implement the CAG cell selection method in the above embodiments A step of.
  • the communication terminal may be a mobile terminal with communication functions, such as a mobile phone, a tablet computer, a notebook computer, a palmtop computer, a personal digital assistant (PDA), a navigation device, a wearable device, a smart bracelet, etc.
  • the communication terminal may include: an RF (Radio Frequency) unit, a sensor, a display unit, a user input unit, an interface unit, a memory, a processor, and a power supply 511 and other components.
  • RF Radio Frequency
  • the receiving module and processing module of the CAG cell selection device can be implemented by the above processor.
  • This embodiment also provides a computer-readable storage medium, which is included in any method or technology for storing information (such as computer-readable instructions, data structures, computer program modules, or other data). Volatile or non-volatile, removable or non-removable media.
  • Computer readable storage media include but are not limited to RAM (Random Access Memory), ROM (Read-Only Memory, read-only memory), EEPROM (Electrically Erasable Programmable read only memory, charged Erasable Programmable Read-Only Memory) ), flash memory or other storage technologies, CD-ROM (Compact Disc Read-Only Memory), digital versatile disk (Digital Video Disc, DVD) or other optical disk storage, magnetic cassettes, tapes, disk storage or other A magnetic storage device, or any other medium that can be used to store desired information and can be accessed by a computer.
  • the computer-readable storage medium in this embodiment may be used to store one or more first computer programs, and the one or more first computer programs may be executed by one or more processors to achieve the above The steps of the CAG cell communication control method in each embodiment.
  • the computer-readable storage medium in this embodiment may be used to store one or more second computer programs, and the one or more second computer programs may be executed by one or more processors to implement The steps of the CAG cell selection method in the above embodiments are the same.
  • This embodiment also provides a first computer program (or computer software).
  • the first computer program can be distributed on a computer-readable medium and executed by a computable device to implement the CAG shown in the above embodiments. At least one step of the cell communication control method; and in some cases, at least one step shown or described may be performed in a different order from that described in the foregoing embodiment.
  • This embodiment also provides a second computer program (or computer software).
  • the second computer program can be distributed on a computer-readable medium and executed by a computable device to implement the CAG shown in the above embodiments. At least one step of the cell selection method; and in some cases, at least one step shown or described may be performed in an order different from that described in the foregoing embodiment.
  • This embodiment also provides a computer program product, including a computer readable device on which the first computer program and/or the second computer program as shown above are stored.
  • the computer-readable device in this embodiment may include the computer-readable storage medium as shown above.
  • communication media usually contain computer-readable instructions, data structures, computer program modules, or other data in a modulated data signal such as carrier waves or other transmission mechanisms, and may include any information delivery medium. Therefore, this application is not limited to any specific hardware and software combination.

Landscapes

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

Abstract

Des modes de réalisation de la présente invention concernent un procédé et un dispositif de sélection d'une cellule CAG, un procédé et un dispositif de commande de communication pour une cellule CAG, un élément de réseau, un terminal, et un support de stockage. Le procédé de commande de communication pour une cellule CAG consiste : lorsqu'un élément de réseau cible détermine qu'actuellement au moins deux cellules CAG doivent être utilisées pour fournir un service de connexion à un terminal, à demander une ressource de cellule d'au moins l'une desdites deux cellules CAG pour le terminal ; et l'élément de réseau cible envoie la ressource de cellule demandée au terminal, de telle sorte que le terminal puisse être simultanément connecté auxdites deux cellules CAG.
PCT/CN2020/074838 2019-02-13 2020-02-12 Procédé et dispositif de sélection de cellule cag, procédé et dispositif de commande de communication pour cellule cag, élément de réseau, terminal, et support de stockage WO2020164507A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910116086.7 2019-02-13
CN201910116086.7A CN110536483A (zh) 2019-02-13 2019-02-13 小区选择及通信控制方法、装置、网元、终端及存储介质

Publications (1)

Publication Number Publication Date
WO2020164507A1 true WO2020164507A1 (fr) 2020-08-20

Family

ID=68659202

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2020/074838 WO2020164507A1 (fr) 2019-02-13 2020-02-12 Procédé et dispositif de sélection de cellule cag, procédé et dispositif de commande de communication pour cellule cag, élément de réseau, terminal, et support de stockage

Country Status (2)

Country Link
CN (1) CN110536483A (fr)
WO (1) WO2020164507A1 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110536483A (zh) * 2019-02-13 2019-12-03 中兴通讯股份有限公司 小区选择及通信控制方法、装置、网元、终端及存储介质
US11265958B2 (en) 2019-04-12 2022-03-01 Ofinno, Llc Access information for node configuration
CN113260017B (zh) * 2020-02-13 2023-08-25 中国电信股份有限公司 网络接入和切换方法、系统、用户终端和存储介质
US11558805B2 (en) * 2020-04-03 2023-01-17 Samsung Electronics Co., Ltd. Method and apparatus for managing cag related procedure in wireless communication network
CN113498028B (zh) * 2020-04-08 2022-11-08 维沃移动通信有限公司 Cag的处理方法及相关设备
CN113518316B (zh) * 2020-04-09 2023-04-07 维沃移动通信有限公司 Cag信息的处理方法及装置、通信设备
CN113543162B (zh) * 2020-04-15 2023-07-14 华为技术有限公司 通信方法及装置
CN113727326A (zh) * 2020-05-22 2021-11-30 维沃移动通信有限公司 Cag信息处理方法、终端、网元及usim
CN115702592A (zh) 2020-06-01 2023-02-14 鸿颖创新有限公司 在非公共网络中执行封闭接入组选择的方法和相关设备
CN113938877B (zh) * 2020-07-13 2022-11-22 大唐移动通信设备有限公司 一种小区全局标识的配置方法、装置及存储介质
CN114071648B (zh) * 2020-08-04 2023-04-07 中移(成都)信息通信科技有限公司 信息配置方法、装置、设备及介质

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101742582A (zh) * 2008-11-04 2010-06-16 华为技术有限公司 一种获取终端支持csg能力的方法、系统及装置
CN101998485A (zh) * 2009-08-18 2011-03-30 华为技术有限公司 一种跨网络选择闭合用户群组的方法、终端和接入网设备
CN106416373A (zh) * 2014-03-28 2017-02-15 诺基亚通信公司 用于封闭订户群组信息传输的方法和装置
US20190021051A1 (en) * 2017-07-11 2019-01-17 Qualcomm Incorporated Techniques and apparatuses for network access via a hybrid cell associated with a shared public land mobile network identity
CN110536483A (zh) * 2019-02-13 2019-12-03 中兴通讯股份有限公司 小区选择及通信控制方法、装置、网元、终端及存储介质

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101552954B (zh) * 2008-03-31 2012-07-18 中兴通讯股份有限公司 一种连接状态下用户终端接入封闭用户组小区的控制方法
KR20110073251A (ko) * 2009-12-21 2011-06-29 엘지전자 주식회사 펨토 셀에서 ｃｓｇ 단말을 발견하기 위한 방법 및 장치
CN102170671B (zh) * 2011-05-30 2015-06-03 中兴通讯股份有限公司 一种多制式下带csg小区的小区重选方法和装置
US9565626B2 (en) * 2013-01-17 2017-02-07 Qualcomm Incorporated Prioritizing radio access types for closed subscriber group cells
US10009835B2 (en) * 2014-07-08 2018-06-26 Lg Electronics Inc. Method and apparatus for performing access control or membership verification for dual connectivity in wireless communication system
BR112017015148A2 (pt) * 2015-01-30 2018-01-23 Ericsson Telefon Ab L M nó de rede, método de operação de um nó do equipamento de usuário, e, nó do equipamento de usuário
CN106304218B (zh) * 2015-05-14 2019-05-21 电信科学技术研究院 一种实现用户设备ue的基站间切换的方法及装置
CN106304060B (zh) * 2015-05-22 2020-11-17 中兴通讯股份有限公司 支持封闭成员组的双连接系统中的切换方法及系统

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101742582A (zh) * 2008-11-04 2010-06-16 华为技术有限公司 一种获取终端支持csg能力的方法、系统及装置
CN101998485A (zh) * 2009-08-18 2011-03-30 华为技术有限公司 一种跨网络选择闭合用户群组的方法、终端和接入网设备
CN106416373A (zh) * 2014-03-28 2017-02-15 诺基亚通信公司 用于封闭订户群组信息传输的方法和装置
US20190021051A1 (en) * 2017-07-11 2019-01-17 Qualcomm Incorporated Techniques and apparatuses for network access via a hybrid cell associated with a shared public land mobile network identity
CN110536483A (zh) * 2019-02-13 2019-12-03 中兴通讯股份有限公司 小区选择及通信控制方法、装置、网元、终端及存储介质

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
TSG SA WG2: "S2-1900123: [Draft] LS on Considerations due to Introduction of Non-Public Networks", 3GPP TSG-SA WG2 MEETING #130, 25 January 2019 (2019-01-25), XP051589814, DOI: 20200427115212A *

Also Published As

Publication number Publication date
CN110536483A (zh) 2019-12-03

Similar Documents

Publication Publication Date Title
WO2020164507A1 (fr) Procédé et dispositif de sélection de cellule cag, procédé et dispositif de commande de communication pour cellule cag, élément de réseau, terminal, et support de stockage
JP6988004B2 (ja) 集中型ユニットと分散型ユニットのアーキテクチャにおける通信方法および通信デバイス
EP3477994B1 (fr) Procédé de transfert intercellulaire, station de base et système de communication
US11838958B2 (en) UE access method and apparatus
WO2022073501A1 (fr) Procédé de transfert, terminal, dispositif de réseau et relais
CN104581854B (zh) 一种无线连接方法和装置
US11330489B2 (en) Apparatus, method and computer program
CN112566149B (zh) 配置业务的方法、通信装置和通信系统
WO2019096000A1 (fr) Procédé de commutation et dispositif côté réseau
JP6995976B2 (ja) 端末によるコアネットワークアクセス方法、基地局および端末
WO2020221223A1 (fr) Procédé, appareil et système de communication
WO2022067643A1 (fr) Procédé et appareil de sélection de cellule et procédé et appareil de radiomessagerie
US12022377B2 (en) Traffic routing towards local area data network per application function request
US20210144630A1 (en) Base station and data transmission method thereof for mobile communication system
US20240244110A1 (en) Method and apparatus for supporting user plane function selection in wireless communication system
CN102958094B (zh) 一种实现家庭基站无线接入网络共享的方法及系统
US20220345943A1 (en) Collaborative neighbour relation information
EP3878239A1 (fr) Procédé et système pour prise en charge de multiples tranches de réseau entièrement séparées
CN104094639A (zh) 无线通信系统、通信方法、基站装置以及移动终端
US10595301B2 (en) Managing signaling resources using hidden public land mobile network signals
CN115209489B (zh) 一种网络切换方法和装置
WO2023151040A1 (fr) Communication de dispositif à dispositif
WO2024032543A1 (fr) Procédé d'acquisition d'informations et terminal et dispositif de réseau d'accès
WO2020255654A1 (fr) Dispositif de communication et procédé de communication
CN117461359A (zh) 蜂窝电信网络

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: 20756040

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 20756040

Country of ref document: EP

Kind code of ref document: A1

32PN Ep: public notification in the ep bulletin as address of the adressee cannot be established

Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205A DATED 04/02/2022)

122 Ep: pct application non-entry in european phase

Ref document number: 20756040

Country of ref document: EP

Kind code of ref document: A1