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WO2025010611A1 - Procédés d'établissement de connexion de plan utilisateur et appareil - Google Patents

Procédés d'établissement de connexion de plan utilisateur et appareil Download PDF

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Publication number
WO2025010611A1
WO2025010611A1 PCT/CN2023/106669 CN2023106669W WO2025010611A1 WO 2025010611 A1 WO2025010611 A1 WO 2025010611A1 CN 2023106669 W CN2023106669 W CN 2023106669W WO 2025010611 A1 WO2025010611 A1 WO 2025010611A1
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WO
WIPO (PCT)
Prior art keywords
network element
service
terminal
target
user plane
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
PCT/CN2023/106669
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English (en)
Chinese (zh)
Inventor
毛玉欣
沈洋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Xiaomi Mobile Software Co Ltd
Original Assignee
Beijing Xiaomi Mobile Software Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Xiaomi Mobile Software Co Ltd filed Critical Beijing Xiaomi Mobile Software Co Ltd
Priority to CN202380010061.3A priority Critical patent/CN117136627A/zh
Priority to PCT/CN2023/106669 priority patent/WO2025010611A1/fr
Publication of WO2025010611A1 publication Critical patent/WO2025010611A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup

Definitions

  • the present disclosure relates to the field of communication technology, and in particular to a method and device for establishing a user plane connection.
  • 5G wireless sensing technology is introduced to provide sensing services to the terminal by the 5G Core Network (5GCN).
  • 5G Core Network 5G Core Network
  • the 5GS function provides the ability to "use new radio (NR) radio frequency (RF) signals to obtain characteristic information of the environment and/or objects in the environment (e.g., shape, size, direction, speed, position, distance or relative motion between objects, etc.)".
  • NR new radio
  • RF radio frequency
  • the characteristic information of the environment and/or objects in the environment can also be obtained using pre-defined information in the Evolved Packet Core (EPC) and/or the Evolved Universal Terrestrial Radio Access (E-UTRA).
  • EPC Evolved Packet Core
  • E-UTRA Evolved Universal Terrestrial Radio Access
  • the present disclosure provides a method and device for establishing a user plane connection.
  • a method for establishing a user plane connection including:
  • the first network element receives a session establishment request sent by the terminal, where the session establishment request is used to request to establish a protocol data unit (PDU) session of the first service;
  • PDU protocol data unit
  • the first network element determines that the terminal needs to establish a user plane connection with a second network element; the second network element is used to provide the first service;
  • the first network element selects a target second network element, where the target second network element is: a second network element that provides a first service for the terminal;
  • the first network element sends a first message to the terminal, where the first message is used to indicate the target second network element.
  • a method for establishing a user plane connection including:
  • the terminal sends a session establishment request to the first network element, where the session establishment request is used to request to establish a PDU session for the first service;
  • the terminal receives a first message sent by a first network element, where the first message is used to indicate a target second network element, where the target second network element is: a second network element that provides a first service for the terminal;
  • the terminal implements the first service by interacting with the target second network element.
  • a method for establishing a user plane connection includes a terminal and a first network element.
  • the method includes at least one of the following:
  • the terminal sends a session establishment request to the first network element, where the session establishment request is used to request to establish a PDU session for the first service;
  • the first network element receives a session establishment request sent by the terminal
  • the first network element determines that the terminal needs to establish a user plane connection with a second network element; the second network element is used to provide the first service;
  • the first network element selects a target second network element, where the target second network element is: a second network element that provides a first service for the terminal;
  • the first network element sends a first message to the terminal, where the first message is used to indicate the target second network element;
  • the terminal receives a first message sent by a first network element
  • the terminal implements the first service by interacting with the target second network element.
  • a network device used as a first network element, including:
  • a receiving module used to receive a session establishment request sent by a terminal, wherein the session establishment request is used to request to establish a protocol data unit (PDU) session of a first service;
  • PDU protocol data unit
  • a processing module configured to determine that the terminal needs to establish a user plane connection with a second network element; the second network element is configured to provide the first service;
  • the processing module is further configured for the first network element to select a target second network element, where the target second network element is: a second network element that provides the first service for the terminal;
  • a sending module is used for the first network element to send a first message to the terminal, where the first message is used to indicate the target second network element.
  • a terminal including:
  • a sending module used to send a session establishment request to the first network element, where the session establishment request is used to request to establish a PDU session for the first service;
  • a receiving module configured to receive a first message sent by a first network element, wherein the first message is used to indicate a target second network element, and the target second network element is: a second network element that provides a first service for the terminal;
  • a processing module is used to implement the first service by interacting with the target second network element.
  • a communication device including:
  • One or more processors are One or more processors;
  • the processor is used to call instructions so that the communication device executes the user plane connection establishment method described in the first aspect or the second aspect.
  • a communication system includes a terminal and a network device, wherein the terminal is configured to implement the user plane connection establishment method described in the first aspect, and the network device is configured to implement the user plane connection establishment method described in the first aspect or the second aspect.
  • a storage medium stores instructions, and is characterized in that when the instructions are executed on a communication device, the communication device executes the user plane connection establishment method as described in the first aspect or the second aspect.
  • FIG1A is a schematic diagram of the architecture of some communication systems provided by embodiments of the present disclosure.
  • FIG1B is a flow chart of a method for “realizing positioning through user plane connection between 5GCN and a terminal” provided by an embodiment of the present disclosure
  • FIG2A is an interactive schematic diagram of a method for establishing a user plane connection provided by an embodiment of the present disclosure
  • 3A-3B are schematic flow charts of a method for establishing a user plane connection according to another embodiment of the present disclosure.
  • FIG4A is a schematic diagram of a flow chart of a method for establishing a user plane connection according to another embodiment of the present disclosure
  • 5A-5B are schematic flow charts of a method for establishing a user plane connection according to another embodiment of the present disclosure.
  • FIG6A is a schematic diagram of the structure of a network device provided by an embodiment of the present disclosure.
  • FIG6B is a schematic diagram of the structure of a terminal provided by an embodiment of the present disclosure.
  • FIG7A is a schematic diagram of the structure of a communication device provided by an embodiment of the present disclosure.
  • FIG. 7B is a schematic diagram of the structure of a chip provided by an embodiment of the present disclosure.
  • the present disclosure provides a method and apparatus, device, system and computer storage medium for establishing a user plane connection.
  • an embodiment of the present disclosure provides a method for establishing a user plane connection, the method comprising:
  • the first network element receives a session establishment request sent by the terminal, where the session establishment request is used to request to establish a protocol data unit (PDU) session of the first service;
  • PDU protocol data unit
  • the first network element determines that the terminal needs to establish a user plane connection with a second network element; the second network element is used to provide the first service;
  • the first network element selects a target second network element, where the target second network element is: a second network element that provides a first service for the terminal;
  • the first network element sends a first message to the terminal, where the first message is used to indicate the target second network element.
  • the first network element can select the target second network element of "providing the first service to the terminal" based on the session establishment request, and indicate the target second network element to the terminal, so that the terminal can establish a user plane connection with the target second network element, and realize the first service by interacting with the target second network element.
  • the first network element and the target second network element are both core network elements. It can be seen that the present disclosure provides a method for realizing the first service through a user plane connection between a 5GCN and a terminal, which improves service efficiency.
  • the first service can be, for example, a perception service.
  • the first network element selects the target second network element, it indicates the target second network element to the terminal, so that the terminal can clearly know which network element it wants to establish a user plane connection with, thereby ensuring that the target second network element selected by the first network element for providing the first service to the terminal and the target second network element to establish a user plane connection known to the terminal are the same network element, avoiding the situation that "the target second network element selected by the first network element for providing the first service to the terminal is inconsistent with the target second network element to establish a user plane connection known to the terminal", thereby ensuring the accurate execution of the first service.
  • the session establishment request includes at least one of the following:
  • the terminal identifier of the terminal is the terminal identifier of the terminal.
  • the first network element by including the terminal identifier of the terminal that initiates the PDU session in the session establishment request, the first network element knows which terminal initiates the PDU session, so that it is convenient to establish a user plane connection between the terminal and the 5GCN, and provide the first service to the terminal through the user plane, thereby improving service efficiency.
  • the DNN corresponding to the first service is used to indicate the first service.
  • the first service is a data network dedicated to the first service
  • the S-NSSAI corresponding to the first service is used to indicate the single network slice dedicated to the first service
  • a PDU session connected through the user plane can be established in the data network dedicated to the first service and/or the single network slice dedicated to the first service based on the DNN corresponding to the first service and/or the S-NSSAI corresponding to the first service, so as to successfully provide the first service to the terminal.
  • the first service can be deployed on the same data network and/or single network slice as other services.
  • the DNN/S-NSSAI in the session establishment request is the corresponding data network on which the first service pair is deployed.
  • the method further includes:
  • the subscription data of the terminal is queried based on the terminal identifier; wherein the subscription data includes at least one of a first indication and a network element identifier of the target second network element, and the first indication is used to indicate that: the terminal needs to establish a user plane connection with the second network element.
  • querying the subscription data of the terminal based on the terminal identifier includes:
  • the subscription data of the terminal is queried from a third network element; wherein the third network element is used to provide a unified data management function.
  • the first network element can check the contract data of the terminal, and can determine the network element identifier of the target second network element that "provides the first service to the terminal" from the contract data of the terminal, so that the first network element can select which second network element to use to provide the first service to the terminal based on the network element identifier, and indicate the selected target second network element to the terminal, then the terminal can establish a connection with the target second network element to successfully implement the first service and improve service efficiency.
  • the first network element can determine from the contract data of the terminal whether the terminal needs the second network element to provide the first service, and when it is determined that the terminal needs the second network element to provide the first service, the first network element can select the target second network element and indicate the target second network element to the terminal, so that the terminal can establish a connection with the target second network element, thereby successfully implementing the first service and improving service efficiency.
  • the first network element determines that the terminal needs to establish a user plane connection with the second network element, including at least one of the following:
  • the terminal needs to establish a connection with the second network element according to the received dynamic policy information sent by the seventh network element, and the seventh network element is used to provide a policy control function.
  • a method for a first network element to determine whether a terminal needs to establish a user plane connection with a second network element, so that when the first network element determines that the terminal needs to establish a user plane connection with the second network element, the selected target second network element can be indicated to the terminal, and the terminal can establish a connection with the target second network element, thereby successfully implementing the first service and improving service efficiency.
  • the first network element selects a target second network element, including at least one of the following:
  • the target second network element is selected based on the network element identifier and/or the first indication of the target second network element in the subscription data.
  • selecting the target second network element from at least one second network element registered on the fourth network element includes:
  • the target second network element is selected from at least one second network element registered on the fourth network element.
  • the first network element selects a target second network element, including:
  • the second network element stored in the first network element is unavailable, and the first network element reselects the second network element to select the target second network element.
  • a method for a first network element to select a target second network element, so that the first network element can successfully select the target second network element and indicate it to the terminal, and the terminal can establish a connection with the target second network element, thereby successfully implementing the first service and improving service efficiency.
  • the method further includes:
  • the first network element establishes an N4 session with a fifth network element, and the fifth network element is used to provide a user plane function.
  • the first network element also establishes an N4 session with the fifth network element, and the fifth network element is used to provide a user plane function.
  • the fifth network element is also used to implement a user plane connection between the terminal and the target second network element.
  • an N4 session is established between the first network element and the fifth network element, so that the first network element can control and/or manage the fifth network element to establish a user plane connection between the terminal and the target second network element through the N4 session.
  • the first message is a PDU session establishment accept message.
  • the first service is a perception service.
  • an embodiment of the present disclosure provides a method for establishing a user plane connection, the method comprising:
  • the terminal sends a session establishment request to the first network element, where the session establishment request is used to request to establish a PDU session for the first service;
  • the terminal receives a first message sent by a first network element, where the first message is used to indicate a target second network element, where the target second network element is: a second network element that provides a first service for the terminal;
  • the terminal implements the first service by interacting with the target second network element.
  • the first network element selects the target second network element of "providing the first service to the terminal", and indicates the target second network element to the terminal, so that the terminal can establish a user plane connection with the target second network element, and realize the first service by performing user plane interaction with the target second network element.
  • the first network element and the target second network element are both core network elements. It can be seen that the present disclosure provides a method for realizing the first service through user plane connection between 5GCN and the terminal, which improves the service efficiency.
  • the first service can be, for example, a perception service.
  • the first network element selects the target second network element, it indicates the target second network element to the terminal, so that the terminal can clearly know which network element it wants to establish a user plane connection with, thereby ensuring that the target second network element selected by the first network element for providing the first service to the terminal and the target second network element known to the terminal to establish a user plane connection are the same network element, avoiding the situation that "the target second network element selected by the first network element for providing the first service to the terminal is inconsistent with the target second network element known to the terminal to establish a user plane connection", thereby ensuring the accurate execution of the first service.
  • the method further includes:
  • the session establishment request includes at least one of the following:
  • the terminal ID of the terminal is the terminal ID of the terminal.
  • the relevant parameters of the session establishment request for the PDU session for accessing the first service are configured by the terminal based on local data, or configured by the terminal based on a user equipment routing policy URSP rule.
  • the relevant parameters may be, for example, DNN/S-NSSAI and other parameters.
  • implementing the first service by interacting with the target second network element includes at least one of the following:
  • the service result corresponding to the first service sent by the target second network element is determined by the target second network element based on service data corresponding to the first service obtained from the terminal and/or the radio access network RAN.
  • the first service is a perception service
  • the business data corresponding to the first business is perception data
  • the business result corresponding to the first business is the perception result.
  • an embodiment of the present disclosure provides a method for establishing a user plane connection, which is used in a communication system, wherein the communication system includes a terminal and a first network element, and the method includes at least one of the following:
  • the terminal sends a session establishment request to the first network element, where the session establishment request is used to request to establish a PDU session for the first service;
  • the first network element receives a session establishment request sent by the terminal
  • the first network element determines that the terminal needs to establish a user plane connection with a second network element; the second network element is used to provide the first service;
  • the first network element selects a target second network element, where the target second network element is: a second network element that provides a first service for the terminal;
  • the first network element sends a first message to the terminal, where the first message is used to indicate the target second network element;
  • the terminal receives a first message sent by a first network element
  • the terminal implements the first service by interacting with the target second network element.
  • an embodiment of the present disclosure provides a network device, used as a first network element, including:
  • a receiving module used to receive a session establishment request sent by a terminal, wherein the session establishment request is used to request to establish a protocol data unit (PDU) session of a first service;
  • PDU protocol data unit
  • a processing module configured to determine that the terminal needs to establish a user plane connection with a second network element; the second network element is configured to provide the first service;
  • the processing module is further configured for the first network element to select a target second network element, where the target second network element is: a second network element that provides the first service for the terminal;
  • a sending module is used for the first network element to send a first message to the terminal, where the first message is used to indicate the target second network element.
  • the session establishment request includes at least one of the following:
  • the terminal identifier of the terminal is the terminal identifier of the terminal.
  • the apparatus is further used to:
  • the subscription data of the terminal is queried based on the terminal identifier; wherein the subscription data includes at least one of a first indication and a network element identifier of the target second network element, and the first indication is used to indicate that: the terminal needs to establish a user plane connection with the second network element.
  • the device is further used for:
  • the subscription data of the terminal is queried from a third network element; wherein the third network element is used to provide a unified data management function.
  • the processing module is further used for at least one of the following:
  • the terminal needs to establish a connection with the second network element according to the received dynamic policy information sent by the seventh network element, and the seventh network element is used to provide a policy control function.
  • the processing module is further used for at least one of the following:
  • the target second network element is selected based on the network element identifier and/or the first indication of the target second network element in the subscription data.
  • the processing module is further used to:
  • the target second network element is selected from at least one second network element registered on the fourth network element.
  • the processing module is further used to:
  • the second network element stored in the first network element is unavailable, and the first network element reselects the second network element to select the target second network element.
  • the device is further used for:
  • the first network element establishes an N4 session with a fifth network element, and the fifth network element is used to provide a user plane function.
  • the first message is a PDU session establishment acceptance message.
  • the first service is a perception service.
  • an embodiment of the present disclosure provides a terminal, including:
  • a sending module used to send a session establishment request to the first network element, where the session establishment request is used to request to establish a PDU session for the first service;
  • a receiving module configured to receive a first message sent by a first network element, wherein the first message is used to indicate a target second network element, and the target second network element is: a second network element that provides a first service for the terminal;
  • a processing module is used to implement the first service by interacting with the target second network element.
  • the device is further used for:
  • the session establishment request includes at least one of the following:
  • the terminal ID of the terminal is the terminal ID of the terminal.
  • the relevant parameters in the session establishment request for the PDU session for accessing the first service are configured by the terminal based on local data, or configured by the terminal based on a user equipment routing selection policy URSP rule.
  • the processing module is further used for at least one of the following:
  • the service result corresponding to the first service sent by the target second network element is determined by the target second network element based on service data corresponding to the first service obtained from the terminal and/or the radio access network RAN.
  • the first service is a perception service
  • the business data corresponding to the first business is perception data
  • the business result corresponding to the first business is the perception result.
  • an embodiment of the present disclosure proposes a communication device, wherein the communication device includes: one or more processors; one or more memories for storing instructions; wherein the processor is used to call the instructions so that the communication device executes the user plane connection establishment method described in the first aspect, the optional implementation of the first aspect, the second aspect, and the optional implementation of the second aspect.
  • an embodiment of the present disclosure proposes a communication system, which includes: a terminal and a network device; wherein the terminal is configured to execute the method described in the first aspect and the optional implementation of the first aspect, and the network device is configured to execute the method described in the second aspect and the optional implementation of the second aspect.
  • an embodiment of the present disclosure proposes a storage medium, wherein the storage medium stores instructions.
  • the communication device executes the method described in the first aspect, the optional implementation of the first aspect, the second aspect, and the optional implementation of the second aspect.
  • an embodiment of the present disclosure proposes a program product.
  • the communication device executes the method described in the first aspect, the optional implementation of the first aspect, the second aspect, and the optional implementation of the second aspect.
  • an embodiment of the present disclosure proposes a computer program, which, when executed on a computer, enables the computer to execute the method described in the first aspect, the optional implementation of the first aspect, the second aspect, and the optional implementation of the second aspect.
  • the present disclosure proposes the name of the invention.
  • the terms such as sending method and receiving method, information sending method and information receiving method can be replaced with each other, the terms such as communication device and information processing device, information sending device and information receiving device can be replaced with each other, and the terms such as information processing system, communication system, information sending system and information receiving system can be replaced with each other.
  • each step in a certain embodiment can be implemented as an independent embodiment, and the steps can be arbitrarily combined.
  • a solution after removing some steps in a certain embodiment can also be implemented as an independent embodiment, and the order of the steps in a certain embodiment can be arbitrarily exchanged.
  • the optional implementation methods in a certain embodiment can be arbitrarily combined; in addition, the embodiments can be arbitrarily combined, for example, some or all of the steps of different embodiments can be arbitrarily combined, and a certain embodiment can be arbitrarily combined with the optional implementation methods of other embodiments.
  • elements expressed in the singular form such as “a”, “an”, “the”, “above”, “said”, “aforementioned”, “this”, etc., may mean “one and only one", or “one or more”, “at least one”, etc.
  • the noun after the article may be understood as a singular expression or a plural expression.
  • plurality refers to two or more.
  • the terms “at least one of”, “at least one of”, “at least one of”, “one or more”, “a plurality of”, “multiple”, etc. can be used interchangeably.
  • descriptions such as “at least one of A, B, C...”, “A and/or B and/or C...”, etc. include the situation where any one of A, B, C... exists alone, and also include the situation where any multiple of A, B, C... exist in any combination, and each situation can exist alone; for example, “at least one of A, B, C” includes the situation where A exists alone, B exists alone, C exists alone, the combination of A and B, the combination of A and C, the combination of B and C, and the combination of A, B and C; for example, A and/or B includes the situation where A exists alone, B exists alone, and the combination of A and B.
  • the description methods such as “in one case A, in another case B", “in response to one case A, in response to another case B”, etc. may include the following technical solutions according to the situation: A is executed independently of B, that is, in some embodiments A; B is executed independently of A, that is, in some embodiments B; A and B are selectively executed, that is, selected from A and B in some embodiments; A and B are both executed, that is, A and B in some embodiments.
  • branches such as A, B, C, etc., it is similar to the above.
  • prefixes such as “first” and “second” in the embodiments of the present disclosure are only used to distinguish different description objects, and do not constitute restrictions on the position, order, priority, quantity or content of the description objects.
  • the statement of the description object refers to the description in the context of the claims or embodiments, and should not constitute unnecessary restrictions due to the use of prefixes.
  • the description object is a "field”
  • the ordinal number before the "field” in the "first field” and the "second field” does not limit the position or order between the "fields”
  • the "first” and “second” do not limit whether the "fields” they modify are in the same message, nor do they limit the order of the "first field” and the "second field”.
  • the description object is a "level”
  • the ordinal number before the "level” in the “first level” and the “second level” does not limit the priority between the "levels”.
  • the number of description objects is not limited by the ordinal number, and can be one or more. Taking the "first device” as an example, the number of "devices” can be one or more.
  • the objects modified by different prefixes may be the same or different. For example, if the description object is "device”, then the “first device” and the “second device” may be the same device or different devices, and their types may be the same or different. For another example, if the description object is "information”, then the "first information” and the “second information” may be the same information or different information, and their contents may be the same or different.
  • “including A”, “comprising A”, “used to indicate A”, and “carrying A” can be interpreted as directly carrying A or indirectly indicating A.
  • terms such as “greater than”, “greater than or equal to”, “not less than”, “more than”, “more than or equal to”, “not less than”, “higher than”, “higher than or equal to”, “not lower than”, and “above” can be replaced with each other, and terms such as “less than”, “less than or equal to”, “not greater than”, “less than”, “less than or equal to”, “no more than”, “lower than”, “lower than or equal to”, “not higher than”, and “below” can be replaced with each other.
  • devices, etc. can be interpreted as physical or virtual, and their names are not limited to the names recorded in the embodiments.
  • Terms such as “device”, “equipment”, “device”, “circuit”, “network element”, “node”, “function”, “unit”, “section”, “system”, “network”, “chip”, “chip system”, “entity”, and “subject” can be used interchangeably.
  • network may be interpreted as devices included in the network (eg, access network equipment, core network equipment, etc.).
  • the terms "access network device (AN device)”, “radio access network device (RAN device)”, “base station (BS)”, “radio base station (radio base station)”, “fixed station (fixed station)", “node (node)”, “access point (access point)”, “transmission point (TP)”, “reception point (reception point, RP)", “transmission/reception point (transmission/reception point, TRP)", "panel (panel)", “antenna panel (antenna panel)”, “antenna array (antenna array)", “cell (cell)", “macro cell (macro cell)", “small cell (small cell)”, “femto cell (femto cell)", “pico cell (pico cell)”, “sector (sector)", “cell group (cell)”, “carrier (carrier)”, “component carrier (component carrier)", “bandwidth part (bandwidth part, BWP)” and the like can be used interchangeably
  • terminal In some embodiments, the terms "terminal”, “terminal device”, “user equipment (UE)”, “user terminal” “mobile station (MS)”, “mobile terminal (MT)", subscriber station, mobile unit, subscriber unit, wireless unit, remote unit, mobile device, wireless device, wireless communication device, remote device, mobile subscriber station, access terminal, mobile terminal, wireless terminal, remote terminal, handset, user agent, mobile client, client and the like can be used interchangeably.
  • the terminal may be replaced by an access network device, a core network device, or a network device.
  • the access network device, the core network device, or the network device may also be configured to have a structure that has all or part of the functions of the terminal.
  • acquisition of data, information, etc. may comply with the laws and regulations of the country where the data is obtained.
  • data, information, etc. may be obtained with the user's consent.
  • each element, each row, or each column in the table of the embodiments of the present disclosure may be implemented as an independent embodiment, and the combination of any elements, any rows, and any columns may also be implemented as an independent embodiment.
  • the corresponding relationships shown in the tables in the present disclosure can be configured or predefined.
  • the values of the information in each table are only examples and can be configured as other values, which are not limited by the present disclosure.
  • the corresponding relationships shown in some rows may not be configured.
  • appropriate deformation adjustments can be made based on the above table, such as splitting, merging, etc.
  • the names of the parameters shown in the titles of the above tables can also use other names that can be understood by the communication device, and the values or representations of the parameters can also be other values or representations that can be understood by the communication device.
  • other data structures can also be used, such as arrays, queues, containers, stacks, linear lists, pointers, linked lists, trees, graphs, structures, classes, heaps, hash tables or hash tables.
  • the predefined in the present disclosure may be understood as defined, predefined, stored, pre-stored, pre-negotiated, pre-configured, solidified, or pre-burned.
  • FIG1A is a schematic diagram of the architecture of a communication system according to an embodiment of the present disclosure.
  • a communication system 100 may include a terminal 101 and a core network device 102.
  • the communication system 100 may also include more devices than the terminal 101 and the core network device 102, such as an access network device 103.
  • the access network device and the core network device 102 may be collectively referred to as network devices.
  • the terminal 101 may include, for example, a mobile phone, a wearable device, an Internet of Things device, a car with communication function, a smart car, a tablet computer (Pad), a computer with wireless transceiver function, a virtual reality (VR) terminal device, an augmented reality (AR) terminal device, a wireless terminal device in industrial control (industrial control), a wireless terminal device in self-driving, a wireless terminal device in remote medical surgery, a wireless terminal device in a smart grid (smart grid), a wireless terminal device in transportation safety (transportation safety), a wireless terminal device in a smart city (smart city), and at least one of a wireless terminal device in a smart home (smart home), but is not limited to these.
  • a mobile phone a wearable device, an Internet of Things device, a car with communication function, a smart car, a tablet computer (Pad), a computer with wireless transceiver function, a virtual reality (VR) terminal device, an augmented reality (AR) terminal device, a wireless
  • the core network device 102 includes a first network element 1021, a second network element 1022, a third network element 1023, a fourth network element 1024, a fifth network element 1025, etc.
  • the network element can be virtual or physical.
  • the core network includes at least one of an Evolved Packet Core (EPC), a 5G Core Network (5GCN), and a Next Generation Core (NGC). It should be noted that the number of the core network devices 102 can be one or more.
  • the first network element 1021 is used to provide a session management function, such as a session management function (Session Management Function, SMF).
  • a session management function Session Management Function, SMF.
  • the second network element 1022 is used to provide a sensing service, such as a sensing network element (Sensing Function, SF).
  • a sensing network element Sensing Function, SF
  • the name is not limited to this.
  • the second network element can also be a network element inside the core network that provides other services, such as a location management network element (Location Management Function, LMF) for positioning services, network elements of other core networks that provide new services, etc.
  • LMF Location Management Function
  • the third network element 1023 is used to provide a unified data management function, such as a unified data management (UDM) network element.
  • a unified data management function such as a unified data management (UDM) network element.
  • the fourth network element 1024 is used to provide a network storage function, such as a network repository function (NRF).
  • a network storage function such as a network repository function (NRF).
  • NEF network repository function
  • the fifth network element 1025 is used to provide user plane functions, such as user plane functions (UPF).
  • user plane functions UPF
  • the terminal 101 and the core network device 102 can be connected through an access network device.
  • the access network device is, for example, a node or device that accesses the terminal to a wireless network.
  • the access network device may include an evolved Node B (eNB), a next generation evolved Node B (ng-eNB), a next generation Node B (gNB), a node B (NB), a home node B (HNB), a home evolved node B (HeNB), At least one of wireless backhaul equipment, radio network controller (RNC), base station controller (BSC), base transceiver station (BTS), base band unit (BBU), mobile switching center, base station in 6G communication system, open base station (Open RAN), cloud base station (Cloud RAN), base station in other communication systems, and access node in wireless fidelity (WiFi) system, but not limited thereto.
  • eNB evolved Node B
  • ng-eNB next generation evolved Node B
  • gNB next generation Node B
  • NB node
  • the communication system described in the embodiment of the present disclosure is for the purpose of more clearly illustrating the technical solution of the embodiment of the present disclosure, and does not constitute a limitation on the technical solution proposed in the embodiment of the present disclosure.
  • a person of ordinary skill in the art can know that with the evolution of the system architecture and the emergence of new business scenarios, the technical solution proposed in the embodiment of the present disclosure is also applicable to similar technical problems.
  • the following embodiments of the present disclosure may be applied to the communication system 100 shown in FIG1A, or part of the subject, but are not limited thereto.
  • the subjects shown in FIG1A are examples, and the communication system may include all or part of the subjects in FIG1A, or may include other subjects other than FIG1A, and the number and form of the subjects are arbitrary, and the connection relationship between the subjects is an example, and the subjects may be connected or disconnected, and the connection may be in any manner, which may be a direct connection or an indirect connection, and may be a wired connection or a wireless connection.
  • the embodiments of the present disclosure may be applied to Long Term Evolution (LTE), LTE-Advanced (LTE-A), LTE-Beyond (LTE-B), SUPER 3G, IMT-Advanced, the fourth generation mobile communication system (4G), the fifth generation mobile communication system (5G), 5G new radio (NR), future radio access (FRA), new radio access technology (RAT), new radio (NR), new radio access (NX), future generation radio access (FX), Global System for Mobile communications (GSM (registered trademark)), CDMA2000, Ultra Mobile Broadband (UMB), IEEE 802.11 (Wi-Fi (registered trademark)), IEEE 802.16 (WiMAX (registered trademark)), IEEE 802.20, Ultra-WideBand (UWB), Bluetooth (registered trademark)), Public Land Mobile Network (PLMN) network, Device to Device (D2D) system, Machine to Machine to Machine (M2M) system, Internet of Things (IoT) system, Vehicle-to-Everything (V2X), system using other
  • FIG. 1B is a flow chart of a method for “realizing positioning through user plane connection between 5GCN and terminal” provided by an embodiment of the present disclosure. As shown in FIG. 1B , the method may include the following steps:
  • the terminal sends an uplink non-access stratum (UL NAS TRANSPORT) message to the Access and Mobility Management Function (AMF), which is used to request the start of user plane (UP) positioning.
  • AMF Access and Mobility Management Function
  • UE user equipment
  • AMF sends a Nlmf_Location_UPConfig request to the selected LMF.
  • AMF sends a downlink non-access stratum (DL NAS TRANSPORT) message to the terminal.
  • the DL NAS TRANSPORT message includes the user plane information of the LMF that provides the positioning service.
  • the terminal resolves the user plane information of LMF through the domain name server (DNS) to discover LMF and establishes a secure UP connection with the discovered LMF.
  • DNS domain name server
  • LMF Location Service
  • Positioning services are implemented via user plane connection.
  • LMF will act as an application server in the user plane positioning process to achieve positioning.
  • the LMF will execute the above step 2 to select AMF, and AMF will send the user plane information related to the selected LMF to the terminal.
  • the terminal will execute the above step 6 to discover LMF through DNS resolution based on the user plane information, and establish a user plane connection with the discovered LMF.
  • AMF and the terminal will use two different logics to determine LMF respectively, which may cause misalignment.
  • the LMF selected by AMF may be different from the LMF resolved by the terminal through DNS, which may cause positioning errors. Therefore, the method of "realizing positioning through user plane connection between 5GCN and the terminal" will have the above-mentioned defects when transmitting data through the user plane.
  • this method cannot be used to provide perception services.
  • FIG2A is an interactive schematic diagram of a method for establishing a user plane connection according to an embodiment of the present disclosure.
  • an embodiment of the present disclosure relates to a method for establishing a user plane connection, which is used in a communication system 100, and the method includes:
  • Step 2101 The terminal sends a session establishment request to the first network element.
  • the session establishment request may be used to request the establishment of a protocol data unit (PDU) session of a first service.
  • the session establishment request may be a PDU session establishment request.
  • the PDU session may be used for the first service.
  • the first service may be any service, for example, the first service may be a perception service, or other services except the perception service, which is not limited in the present disclosure.
  • the terminal may send the session establishment request to the first network element, and the first network element may receive the session establishment request.
  • the first network element is used to provide a session management function, for example, the first network element may be an SMF.
  • the terminal may send the session establishment request to the first network element through a sixth network element, and the sixth network element may be an AMF, for example.
  • the terminal may first send the session establishment request to the sixth network element, and then the sixth network element may call Nsmf_PDUSession_CreateSMContext Request service (Nsmf_PDU session establishment context request service) to send the session establishment request to the first network element.
  • Nsmf_PDUSession_CreateSMContext Request service Nsmf_PDU session establishment context request service
  • the first network element can call the Nsmf_PDUSession_CreateSMContext Response service (Nsmf_PDU session establishment context response service) to respond to the above-mentioned Nsmf_PDUSession_CreateSMContext Request service to the sixth network element.
  • Nsmf_PDUSession_CreateSMContext Response service Nsmf_PDU session establishment context response service
  • the first network element may call the Nsmf_PDUSession_CreateSMContext Response service to the sixth network element.
  • the session establishment request may include at least one of the following:
  • S-NSSAI Single Network Slice Selection Assistance Information
  • the terminal ID of the terminal is the terminal ID of the terminal.
  • the above-mentioned “DNN corresponding to the first business” may be: a DNN dedicated to the first business.
  • the above-mentioned “S-NSSAI corresponding to the first service” may be: an S-NSSAI dedicated to the first service.
  • the above-mentioned terminal identifier may be, for example, a user permanent identifier (SUbscription Permanent Identifier, SUPI).
  • SUPI user permanent identifier
  • the first service may be deployed on the same data network and/or single network slice as other services.
  • the DNN/S-NSSAI in the session establishment request corresponds to the data network on which the first service pair is deployed.
  • the session establishment request may be sent by the terminal when the terminal needs to establish a user plane connection with the second network element to implement the first service.
  • the second network element may be used to provide the above-mentioned first service.
  • the second network element may be a SF network element.
  • the second network element may also be a network element within the core network that provides other services, such as a location management network element (Location Management Function, LMF) for positioning services, network elements of other core networks that provide new services, etc.
  • LMF Location Management Function
  • the method for the terminal to send a session establishment request may include at least one of the following:
  • the terminal autonomously determines that the terminal needs to establish a connection with the second network element. For example, when the terminal autonomously determines that the terminal needs to establish a user plane connection or a control plane connection with the second network element, the session establishment request is sent;
  • the terminal When the terminal receives the second indication sent by the core network (Core Network, CN), the terminal sends the session establishment request; optionally, the second The indication may be used to indicate that the terminal needs to establish a connection with the second network element.
  • the second indication may be used to indicate that the terminal needs to establish a user plane connection or a control plane connection with the second network element.
  • the terminal receives the second indication sent by the core network triggered by the application function (AF), and sends the session establishment request;
  • the terminal receives the second indication sent by the perception application (Application) and sends the session establishment request.
  • the session may be used to provide services between the terminal and the second network element via a user plane or a control plane.
  • relevant parameters in the session establishment request may be configured by the terminal based on local data, and the relevant parameters may be, for example, DNN/S-NSSSAI parameters, or the session establishment request may be configured by the terminal based on a user equipment routing selection policy (UE Routing Selection Policy, URSP) rule.
  • UE Routing Selection Policy URSP
  • the URSP rule may be configured to the terminal by the core network and/or the radio access network (radio access network, RAN).
  • Step 2102 The first network element queries the subscription data of the terminal from the third network element.
  • the third network element may be used to provide a unified data management function.
  • the third network element may be a unified data management (UDM) network element.
  • UDM unified data management
  • the first network element may query the subscription data of the terminal from the third network element based on the terminal identifier.
  • the subscription data may include at least one of a first indication and a network element identifier of a target second network element.
  • the first indication may be used to indicate that the terminal requires the second network element to provide a first service.
  • the target second network element may be a network element that provides the first service to the terminal.
  • the network element identifier may be, for example, a network element identifier (Identity, ID).
  • ID network element identifier
  • the network element identifier may be a SF ID.
  • step 2102 may be an optional step.
  • the first network element when the contract data of the terminal does not exist in the first network element, the first network element will query the contract data of the terminal from the third network element. When the contract data of the terminal exists in the first network element, there is no need to execute step 2102 and step 2103 is executed directly.
  • Step 2103 The first network element determines that the terminal needs to establish a user plane connection with the second network element.
  • the method in which the first network element determines that the terminal needs to establish a user plane connection with the second network element may include at least one of the following:
  • Method 1 Determine based on a preset policy that the terminal needs to establish a user plane connection with the second network element.
  • the preset policy may be, for example: when the session established by the session establishment request received by the first network element is for a specific service, directly determining that the terminal needs to establish a user plane connection with the second network element, and optionally, the specific service may be, for example, a perception service; or the specific service may be, for example, a perception service type specified in the perception service, and the perception service of the specified perception service type requires a large amount of data transmission; or, the specific service may be other services except the perception service; no limitation is made here. It should be understood that the above preset policy is only an exemplary introduction, and other similar policies are also within the scope of protection of this disclosure.
  • Method 2 Determine based on the subscription data that the terminal needs to establish a user plane connection with the second network element.
  • the subscription data may include: a specific service subscribed by the user requires a user plane connection for data transmission, and optionally, the specific service may be, for example, a perception service; or the specific service may be, for example, a perception service type specified in the perception service, and the perception service of the specified perception service type requires a large amount of data transmission; or, the specific service may be other services except the perception service;
  • Method three determining, based on dynamic policy information, that the terminal needs to establish a user plane connection with the second network element.
  • the first network element can obtain dynamic policy information from a policy control network element (Policy Control Function, PCF).
  • Policy Control Function Policy Control Function
  • the dynamic policy information can specify a judgment principle for selecting user plane interaction data or control plane interaction data for a specific service. Based on the judgment principle, it can be determined which services require user plane connection for data transmission and which services require control plane connection for data transmission, so that the first network element can determine whether the terminal needs to establish a user plane connection with the second network element based on the service currently requested by the terminal and the judgment principle.
  • Step 2104 The first network element selects a target second network element.
  • the method for the first network element to select a target second network element may include at least one of the following:
  • the first method is to select the target second network element based on the network element identifier in the subscription data.
  • the network element indicated by the network element identifier in the subscription data may be selected as the target second network element.
  • the second method is to select a target second network element from at least one second network element registered on the fourth network element.
  • the fourth network element can be used to provide a network storage function.
  • the fourth network element can be a network repository function (NRF) network element.
  • NRF network repository function
  • the above-mentioned method of “selecting a target second network element from at least one second network element registered on the fourth network element” may include the following steps:
  • Step a Send a second message to the fourth network element, where the second message can be used to request at least one second network element registered on the fourth network element.
  • the first network element may send the second message to the NRF by calling the network function discovery service (Nnrf_NFDiscovery service) of the NRF.
  • Nnrf_NFDiscovery service network function discovery service
  • the second message may carry information for selecting a second network element, such as: Quality of Service (QoS) requirements, service type, terminal location information, etc.
  • QoS Quality of Service
  • Step b receiving a third message sent by a fourth network element, where the third message may indicate at least one second network element registered on the fourth network element.
  • the second network element indicated by the third message may be the second network element selected by the fourth network element based on the “information for selecting the second network element” carried in the above-mentioned second message.
  • Step c Select a target second network element from at least one second network element registered on the fourth network element.
  • the method in which the first network element selects a target second network element from at least one second network element registered on the fourth network element may include at least one of the following:
  • a second network element that is used most recently among the at least one second network element registered on the fourth network element is determined as the target second network element.
  • Step 2105 The first network element establishes or modifies an N4 session with the fifth network element.
  • the fifth network element may be used to provide user plane functions.
  • the fifth network element may be a UPF network element.
  • the reason why the first network element needs to establish an N4 session with the fifth network element is introduced as follows:
  • an N4 session is established between the first network element and the fifth network element so that the first network element can control and/or manage the fifth network element to establish a user plane connection between the terminal and the target second network element through the N4 session, thereby greatly improving the efficiency of the first service.
  • the N4 session when establishing or modifying the N4 session between the first network element and the fifth network element, can be established or modified based on relevant information of the target second network element, thereby realizing user plane connection from the terminal to the second network element through the fifth network element.
  • Step 2106 The first network element sends a first message to the terminal.
  • the first message may be used to indicate the target second network element.
  • the first network element may send the first message to the terminal.
  • the first network element may send the first message to the terminal through the sixth network element.
  • the first message may be, for example, a PDU Session Establishment Accept message.
  • the terminal may receive the first message.
  • Step 2107 The terminal establishes a user plane connection with the target second network element.
  • Step 2108 The terminal implements the first service by interacting with the target second network element.
  • the method for the terminal to implement the first service by interacting with the target second network element may include at least one of the following:
  • the service result corresponding to the first service sent by the target second network element may be determined by the target second network element based on service data corresponding to the first service acquired from the terminal and/or the RAN.
  • the service data corresponding to the first service acquired by the above-mentioned terminal may be acquired by the terminal from at least one of other terminals, a perception target, a RAN, and a target second network element.
  • the user plane connection establishment method involved in the embodiment of the present disclosure may include at least one of steps S2101 to S2108.
  • step S2101 may be implemented as an independent embodiment
  • step S2102 may be implemented as an independent embodiment
  • step S2103 may be implemented as an independent embodiment, but is not limited thereto.
  • step 2102 is an optional step, which can be optionally executed or not executed.
  • each step can be independent, arbitrarily combined or exchanged in order, the optional methods or optional examples can be arbitrarily combined, and can be arbitrarily combined with any steps of other implementation modes or other examples.
  • the first network element may have stored relevant information of the second network element, such as a second network element stored in a local configuration or a second network element selected and stored during a previous related service.
  • the terminal may have also established a connection with the second network element stored by the first network element.
  • the terminal may have established a control plane connection or a user plane connection with the second network element stored by the first network element. Based on this, when the above step 2103 is executed, that is, the first network element determines that the terminal needs to establish a user plane connection with the second network element, the first network element can first determine whether the second network element it has stored is available.
  • step 2106 if the terminal has not established a user plane connection with the stored second network element, the above steps 2107 and 2108 may be executed to implement the first service; if the terminal has established a user plane connection with the stored second network element, the terminal may not need to execute the above step 2107 again, but may directly execute step 2108 to implement the first service based on the user plane connection that has been established with the stored second network element.
  • the first network element can execute the above-mentioned step 2104 to reselect the second network element, and select the target second network element in the above-mentioned step 2104, and then execute subsequent steps 2105-2108, so that the terminal successfully establishes a user plane connection with the target second network element and realizes the first service.
  • the second network element before executing the above steps 2103 and 2104, may not be stored in the first network element.
  • the first network element when the above step 2103 is executed, that is, the first network element determines that the terminal needs to establish a user plane connection with the second network element, the first network element can then execute the above step 2104 to select the target second network element in the above step 2104, and when executing the target second network element selection, additionally consider whether the user plane connection is supported to provide the first service.
  • subsequent steps 2105-2108 can be executed to enable the terminal to successfully establish a user plane connection with the target second network element and realize the first service.
  • FIG3A is an interactive schematic diagram of a method for establishing a user plane connection according to an embodiment of the present disclosure.
  • an embodiment of the present disclosure relates to a method for establishing a user plane connection, which is used for a first network element 1021, and the method includes:
  • Step 3102 The first network element queries the subscription data of the terminal;
  • Step 3103 The first network element determines that the terminal needs to establish a user plane connection with the second network element
  • Step 3105 The first network element sends a first message to the terminal.
  • Step 3106 The first network element establishes an N4 session with the fifth network element.
  • step 3102 may be an optional step and may be performed optionally, for example, may be performed or not performed.
  • each step can be independent, arbitrarily combined or exchanged in order, the optional methods or optional examples can be arbitrarily combined, and can be arbitrarily combined with any steps of other implementation modes or other examples.
  • FIG3B is an interactive schematic diagram of a method for establishing a user plane connection according to an embodiment of the present disclosure.
  • an embodiment of the present disclosure relates to a method for establishing a user plane connection, which is used for a terminal 101, and the method includes:
  • Step 3201 The first network element receives a session establishment request sent by a terminal.
  • Step 3202 The first network element determines that the terminal needs to establish a user plane connection with the second network element
  • Step 3203 The first network element selects a target second network element.
  • the session establishment request is used to request establishment of a protocol data unit (PDU) session of the first service;
  • PDU protocol data unit
  • the second network element is used to provide the first service
  • the target second network element is: a second network element that provides a first service for the terminal;
  • the first message is used to indicate the target second network element.
  • the session establishment request includes at least one of the following:
  • the terminal ID of the terminal is the terminal ID of the terminal.
  • the method further includes:
  • the subscription data of the terminal is queried based on the terminal identifier; wherein the subscription data includes at least one of a first indication and a network element identifier of the target second network element, and the first indication is used to indicate that: the terminal needs to establish a user plane connection with the second network element.
  • querying the subscription data of the terminal based on the terminal identifier includes:
  • the subscription data of the terminal is queried from a third network element; wherein the third network element is used to provide a unified data management function.
  • the first network element determines that the terminal needs to establish a user plane connection with the second network element, including at least one of the following:
  • the terminal needs to establish a connection with the second network element according to the received dynamic policy information sent by the seventh network element, and the seventh network element is used to provide a policy control function.
  • the first network element selects a target second network element, including at least one of the following:
  • the target second network element is selected based on the network element identifier and/or the first indication of the target second network element in the subscription data.
  • the selecting the target second network element from at least one second network element registered on the fourth network element includes:
  • Sending a second message to a fourth network element which may carry information for selecting a second network element, such as QoS requirements, service type, terminal location information, etc., wherein the second message is used to request at least one second network element registered on the fourth network element;
  • the target second network element is selected from at least one second network element registered on the fourth network element.
  • the first network element selecting a target second network element includes:
  • the second network element stored in the first network element is unavailable, and the first network element reselects the second network element to select the target second network element.
  • the method further comprises:
  • the first network element establishes an N4 session with a fifth network element, and the fifth network element is used to provide a user plane function.
  • the first message is a PDU session establishment acceptance message.
  • the first service is a perception service.
  • steps 3201 - 3205 please refer to the above embodiment description.
  • the user plane connection establishment method involved in the embodiment of the present disclosure may include at least one of steps S3201 to S3205.
  • step S3201 may be implemented as an independent embodiment
  • step S3202 may be implemented as an independent embodiment, but is not limited thereto.
  • step 3206 may be an optional step and may be performed optionally, for example, may be performed or not performed.
  • each step can be independent, arbitrarily combined or exchanged in order, the optional methods or optional examples can be arbitrarily combined, and can be arbitrarily combined with any steps of other implementation modes or other examples.
  • FIG4A is an interactive schematic diagram of a method for establishing a user plane connection according to an embodiment of the present disclosure.
  • an embodiment of the present disclosure relates to a method for establishing a user plane connection, which is used in a network device 102, and the method includes:
  • Step 4101 The terminal sends a session establishment request to the first network element.
  • Step 4102 The terminal receives a first message sent by a first network element.
  • Step 4103 The terminal implements the first service by interacting with the target second network element.
  • the method further comprises:
  • the session establishment request is used to request establishment of a PDU session for the first service
  • the first message is used to indicate a target second network element
  • the target second network element is: a second network element that provides a first service for the terminal
  • the session establishment request includes at least one of the following:
  • the terminal ID of the terminal is the terminal ID of the terminal.
  • the relevant parameters in the session establishment request for the PDU session for accessing the first service are configured by the terminal based on local data, or configured by the terminal based on a user equipment routing selection policy URSP rule.
  • the relevant parameters may be, for example, DNN/S-NSSAI and other parameters;
  • the implementing the first service by interacting with the target second network element includes at least one of the following:
  • the service result corresponding to the first service sent by the target second network element is determined by the target second network element based on service data corresponding to the first service obtained from the terminal and/or the radio access network RAN.
  • the first service is a perception service
  • the business data corresponding to the first business is perception data
  • the business result corresponding to the first business is the perception result.
  • steps 4101 - 4103 please refer to the above embodiment description.
  • the user plane connection establishment method involved in the embodiment of the present disclosure may include at least one of steps S4101 to S4103.
  • step S4101 may be implemented as an independent embodiment
  • step S4102 may be implemented as an independent embodiment, but is not limited thereto.
  • each step can be independent, arbitrarily combined or exchanged in order, the optional methods or optional examples can be arbitrarily combined, and can be arbitrarily combined with any steps of other implementation modes or other examples.
  • FIG5A is a flow chart of a method for establishing a user plane connection according to an embodiment of the present disclosure.
  • an embodiment of the present disclosure relates to a method for establishing a user plane connection, which is used in a communication system, and the method includes at least one of the following:
  • Step 5101 The terminal sends a session establishment request, where the session establishment request is used to request to establish a PDU session for a first service.
  • Step 5102 The first network element receives a session establishment request
  • Step 5103 The first network element determines that the terminal needs to establish a user plane connection with the second network element; the second network element is used to provide the first service.
  • Step 5104 The first network element selects a target second network element, where the target second network element is: a second network element that provides the first service for the terminal.
  • Step 5105 The first network element sends a first message, where the first message is used to indicate the target second network element.
  • Step 5106 The terminal receives the first message.
  • Step 5107 The terminal implements the first service by interacting with the target second network element.
  • steps 5101 to 5107 may refer to the description of the above embodiment.
  • the above method may include the method of the above-mentioned communication system side, terminal side, network terminal side, etc., which will not be repeated here.
  • the user plane connection establishment method involved in the embodiment of the present disclosure may include at least one of steps S5101 to S5107.
  • step S5101 may be implemented as an independent embodiment
  • step S5102 may be implemented as an independent embodiment, but is not limited thereto.
  • each step can be independent, arbitrarily combined or exchanged in order, the optional methods or optional examples can be arbitrarily combined, and can be arbitrarily combined with any steps of other implementation modes or other examples.
  • the embodiment of the present disclosure provides a method for supporting a perception service through a user plane, including:
  • a PDU session for the sensing service is established and the SMF selects a NF that supports the sensing function (SF).
  • the perception information is exchanged between the UE and the SF.
  • Perception information processing can be completed in UE or SF.
  • Perception information can be collected by SF from RAN or UE, or, perception information can be collected by UE from other UEs or objects or RAN.
  • Perception service can be triggered by UE or network or AF.
  • a dedicated DNN/S-NSSAI is deployed for perception services.
  • FIG5B is a schematic diagram of a method for establishing a user plane connection according to an embodiment of the present disclosure. As shown in FIG5B , the method may include the following steps:
  • the sensing service is triggered by the UE/CN/AF, and the UE determines or obtains an indication from the CN or application, indicating that data needs to be exchanged between the UE and the SF through the user plane or that a session needs to be established between the UE and the SF for data exchange.
  • Step 0 is not shown in FIG. 5B .
  • the UE initiates a PDU session establishment request (PDU Session Establishment Request) to the DNN/S-NSSAI dedicated to the perception service.
  • PDU Session Establishment Request The request can be configured locally or through URSP rules.
  • AMF calls Nsmf_PDU Session_CreateSMContext request service to send a PDU session establishment request to smf.
  • the SMF retrieves Session Management Subscription data.
  • the SF selection information may be included in the Subscription data, the SF selection information can be the indication that SF is required, and/or the SF ID.
  • SMF determines the SF via NRF or based on the subscription data received in step 3. If the SF is determined by NRF, then the SF shall be registered with NRF and SMF invokes Nnrf_NFDiscovery service for SF discovery.
  • the N4 session is established/modified to establish a user plane connection within the 5GC for connecting the SF through the user plane.
  • SMF sends a PDU Session Establishment Accept (PDU Session Establishment Accept) with the SF information determined in step 6 to the UE via AMF.
  • PDU Session Establishment Accept PDU Session Establishment Accept
  • the user plane connection between the UE and the SF is established, including other steps in the existing PDU session establishment process.
  • the perception parameters may be the aforementioned perception data;
  • SF collects perception information from RAN, and the perception information may be the aforementioned perception data.
  • the embodiments of the present disclosure also propose a device for implementing any of the above methods, for example, a device is proposed, the above device includes a unit or module for implementing each step performed by the terminal in any of the above methods.
  • another device is also proposed, including a unit or module for implementing each step performed by a network device in any of the above methods.
  • the network device is, for example, an access network device, a core network function node, a core network device, etc.
  • the division of the units or modules in the above device is only a division of logical functions, and in actual implementation, they can be fully or partially integrated into one physical entity, or they can be physically separated.
  • the units or modules in the device can be implemented in the form of a processor calling software: for example, the device includes a processor, the processor is connected to a memory, and instructions are stored in the memory.
  • the processor calls the instructions stored in the memory to implement any of the above methods or implement the functions of the units or modules of the above device, wherein the processor is, for example, a general-purpose processor, such as a central processing unit (CPU) or a microprocessor, and the memory is a memory inside the device or a memory outside the device.
  • CPU central processing unit
  • microprocessor a microprocessor
  • the units or modules in the device may be implemented in the form of hardware circuits, and the functions of some or all of the units or modules may be implemented by designing the hardware circuits.
  • the hardware circuits may be understood as one or more processors.
  • the hardware circuits are application-specific integrated circuits (ASICs), and the functions of some or all of the units or modules may be implemented by designing the logical relationship of the components in the circuits.
  • ASICs application-specific integrated circuits
  • the hardware circuits may be implemented by programmable logic devices (PLDs), and taking field programmable gate arrays (FPGAs) as an example, the PLDs may include a large number of The logic gate circuit configures the connection relationship between the logic gate circuits through the configuration file, so as to realize the functions of some or all of the above units or modules. All units or modules of the above device can be realized in the form of software called by the processor, or in the form of hardware circuit, or in part in the form of software called by the processor, and the rest in the form of hardware circuit.
  • PLDs programmable logic devices
  • FPGAs field programmable gate arrays
  • the processor is a circuit with signal processing capability.
  • the processor may be a circuit with instruction reading and running capability, such as a central processing unit (CPU), a microprocessor, a graphics processing unit (GPU) (which may be understood as a microprocessor), or a digital signal processor (DSP); in another implementation, the processor may implement certain functions through the logical relationship of a hardware circuit, and the logical relationship of the above hardware circuit may be fixed or reconfigurable, such as a hardware circuit implemented by an application-specific integrated circuit (ASIC) or a programmable logic device (PLD), such as an FPGA.
  • ASIC application-specific integrated circuit
  • PLD programmable logic device
  • the process of the processor loading a configuration document to implement the hardware circuit configuration may be understood as the process of the processor loading instructions to implement the functions of some or all of the above units or modules.
  • it can also be a hardware circuit designed for artificial intelligence, which can be understood as ASIC, such as Neural Network Processing Unit (NPU), Tensor Processing Unit (TPU), Deep Learning Processing Unit (DPU), etc.
  • ASIC Neural Network Processing Unit
  • NPU Neural Network Processing Unit
  • TPU Tensor Processing Unit
  • DPU Deep Learning Processing Unit
  • FIG6A is a schematic diagram of the structure of the terminal proposed in an embodiment of the present disclosure. As shown in FIG6A , it includes: a receiving module for receiving a session establishment request, the session establishment request is used to request the establishment of a protocol data unit PDU session of the first service, and the PDU session is initiated and established by the terminal; a processing module for determining that the terminal needs to establish a user plane connection with the second network element; the second network element is used to provide the first service; the processing module is also used for the first network element to select a target second network element, the target second network element is: the second network element that provides the first service for the terminal; a sending module is used for the first network element to send a first message, and the first message is used to indicate the target second network element.
  • a receiving module for receiving a session establishment request, the session establishment request is used to request the establishment of a protocol data unit PDU session of the first service, and the PDU session is initiated and established by the terminal
  • a processing module for determining that the terminal needs
  • the above-mentioned receiving module is used to execute the steps related to "receiving” executed in any of the above methods
  • the above-mentioned processing module is used to execute the steps related to "processing” executed in any of the above methods
  • the above-mentioned sending module is used to execute the steps related to "sending" executed in any of the above methods, which will not be repeated here.
  • FIG6B is a schematic diagram of the structure of a network device proposed in an embodiment of the present disclosure. As shown in FIG6B , it includes: a sending module, configured to send a session establishment request, wherein the session establishment request is used to request to establish a PDU session of a first service;
  • a receiving module is used to receive a first message, wherein the first message is used to indicate a target second network element, wherein the target second network element is: a second network element that provides a first service for the terminal; and a processing module is used to implement the first service by interacting with the target second network element.
  • the sending module is used to execute steps related to "sending” executed in any of the above methods
  • the receiving module is used to execute steps related to "receiving” executed in any of the above methods
  • the processing module is used to execute steps related to "processing" executed in any of the above methods, which will not be repeated here.
  • FIG7A is a schematic diagram of the structure of a communication device 7100 proposed in an embodiment of the present disclosure.
  • the communication device 7100 may be a network device (e.g., an access network device, a core network device, etc.), or a terminal (e.g., a user device, etc.), or a chip, a chip system, or a processor that supports a network device to implement any of the above methods, or a chip, a chip system, or a processor that supports a terminal to implement any of the above methods.
  • the communication device 7100 may be used to implement the method described in the above method embodiment, and the details may refer to the description in the above method embodiment.
  • the communication device 7100 includes one or more processors 7101.
  • the processor 7101 may be a general-purpose processor or a dedicated processor, for example, a baseband processor or a central processing unit.
  • the baseband processor may be used to process the communication protocol and the communication data
  • the central processing unit may be used to control the communication device (such as a base station, a baseband chip, a terminal device, a terminal device chip, a DU or a CU, etc.), execute a program, and process the data of the program.
  • the processor 7101 is used to call instructions so that the communication device 7100 executes any of the above methods.
  • the communication device 7100 further includes one or more memories 7102 for storing instructions.
  • the memory 7102 may also be outside the communication device 7100.
  • the communication device 7100 further includes one or more transceivers 7103.
  • the communication steps such as sending and receiving in the above method are executed by the transceiver 7103, and the other steps are executed by the processor 7101.
  • the transceiver may include a receiver and a transmitter, and the receiver and the transmitter may be separate or integrated.
  • the terms such as transceiver, transceiver unit, transceiver, transceiver circuit, etc. may be replaced with each other, the terms such as transmitter, transmission unit, transmitter, transmission circuit, etc. may be replaced with each other, and the terms such as receiver, receiving unit, receiver, receiving circuit, etc. may be replaced with each other.
  • the communication device 7100 further includes one or more interface circuits 7104, which are connected to the memory 7102 and can be used to receive signals from the memory 7102 or other devices, or to send signals to the memory 7102 or other devices.
  • the interface circuit 7104 can read the instructions stored in the memory 7102 and send the instructions to the processor 7101.
  • the communication device 7100 described in the above embodiments may be a network device or a terminal, but the scope of the communication device 7100 described in the present disclosure is not limited thereto, and the structure of the communication device 7100 may not be limited by FIG. 7a.
  • the communication device may be an independent device or may be part of a larger device.
  • the communication device may be: 1) an independent integrated circuit IC, or a chip, or a chip system or subsystem; (2) a collection of one or more ICs, optionally, the above IC collection may also include a storage component for storing data and programs; (3) an ASIC, such as a modem; (4) a module that can be embedded in other devices; (5) a receiver, a terminal device, an intelligent terminal device, a cellular phone, a wireless device, a handheld device, a mobile unit, a vehicle-mounted device, a network device, a cloud device, an artificial intelligence device, etc.; (6) others, etc.
  • the chip 7200 includes one or more processors 7201, and the processor 7201 is used to call instructions so that the chip 7200 executes any of the above methods.
  • the chip 7200 further includes one or more interface circuits 7202, which are connected to the memory 7203.
  • the interface circuit 7202 can be used to receive signals from the memory 7203 or other devices, and the interface circuit 7202 can be used to send signals to the memory 7203 or other devices.
  • the interface circuit 7202 can read instructions stored in the memory 7203 and send the instructions to the processor 7201.
  • the terms such as interface circuit, interface, transceiver pin, and transceiver can be replaced with each other.
  • the chip 7200 further includes one or more memories 7203 for storing instructions.
  • the memory 7203 may be outside the chip 7200.
  • the present disclosure also proposes a storage medium, on which instructions are stored, and when the instructions are executed on the communication device 7100, the communication device 7100 executes any of the above methods.
  • the storage medium is an electronic storage medium.
  • the storage medium is a computer-readable storage medium, but is not limited to this, and it can also be a storage medium readable by other devices.
  • the storage medium can be a non-transitory storage medium, but is not limited to this, and it can also be a temporary storage medium.
  • the present disclosure also proposes a program product, which, when executed by the communication device 7100, enables the communication device 7100 to execute any of the above methods.
  • the program product is a computer program product.
  • the present disclosure also proposes a computer program, which, when executed on a computer, causes the computer to execute any one of the above methods.
  • the computer program product includes one or more computer programs.
  • the computer can be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device.
  • the computer program can be stored in a computer-readable storage medium, or transmitted from one computer-readable storage medium to another computer-readable storage medium.
  • the computer program can be transmitted from a website site, computer, server or data center by wired (e.g., coaxial cable, optical fiber, digital subscriber line (digital subscriber line, DSL)) or wireless (e.g., infrared, wireless, microwave, etc.) mode to another website site, computer, server or data center.
  • the computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device such as a server or data center that includes one or more available media integrated.
  • the available medium may be a magnetic medium (e.g., a floppy disk, a hard disk, a magnetic tape), an optical medium (e.g., a high-density digital video disc (DVD)), or a semiconductor medium (e.g., a solid state disk (SSD)), etc.
  • a magnetic medium e.g., a floppy disk, a hard disk, a magnetic tape
  • an optical medium e.g., a high-density digital video disc (DVD)
  • DVD high-density digital video disc
  • SSD solid state disk

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

Abstract

La présente divulgation concerne des procédés d'établissement de connexion de plan utilisateur, et un appareil. Un procédé comprend les étapes suivantes : un premier élément de réseau reçoit une demande d'établissement de session envoyée par un terminal, la demande d'établissement de session étant utilisée pour demander d'établir une session d'unité de données de protocole (PDU) d'un premier service ; le premier élément de réseau détermine que le terminal doit établir une connexion de plan utilisateur avec un second élément de réseau, le second élément de réseau étant utilisé pour fournir le premier service ; le premier élément de réseau sélectionne un second élément de réseau cible, le second élément de réseau cible étant un second élément de réseau fournissant le premier service pour le terminal ; et le premier élément de réseau envoie un premier message au terminal, le premier message étant utilisé pour indiquer le second élément de réseau cible. La présente divulgation concerne un procédé de mise en œuvre d'un premier service (tel qu'un service de détection) entre un 5GCN et un terminal au moyen d'une connexion de plan utilisateur, ce qui permet d'améliorer l'efficacité de service.
PCT/CN2023/106669 2023-07-10 2023-07-10 Procédés d'établissement de connexion de plan utilisateur et appareil Pending WO2025010611A1 (fr)

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PCT/CN2023/106669 WO2025010611A1 (fr) 2023-07-10 2023-07-10 Procédés d'établissement de connexion de plan utilisateur et appareil

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WO2025148078A1 (fr) * 2024-01-14 2025-07-17 北京小米移动软件有限公司 Procédé d'échange d'informations, premier élément de réseau, terminal, dispositif de communication et support de stockage
CN118592044A (zh) * 2024-01-26 2024-09-03 北京小米移动软件有限公司 通信方法、设备、系统及存储介质
CN120390316A (zh) * 2024-01-27 2025-07-29 华为技术有限公司 通信方法、装置及系统
WO2025189403A1 (fr) * 2024-03-13 2025-09-18 北京小米移动软件有限公司 Procédés et dispositifs de traitement d'informations, et support de stockage
WO2025208493A1 (fr) * 2024-04-03 2025-10-09 北京小米移动软件有限公司 Procédé de communication, dispositif de réseau central, nœud de réseau, élément de réseau et système
CN120825819A (zh) * 2024-04-11 2025-10-21 大唐移动通信设备有限公司 业务会话建立方法、装置及可读存储介质

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CN109996346A (zh) * 2017-12-29 2019-07-09 华为技术有限公司 会话建立方法、设备及系统
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