CN111698677A - Method for reporting and receiving user plane statistical information and network equipment - Google Patents
Method for reporting and receiving user plane statistical information and network equipment Download PDFInfo
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- CN111698677A CN111698677A CN201910179911.8A CN201910179911A CN111698677A CN 111698677 A CN111698677 A CN 111698677A CN 201910179911 A CN201910179911 A CN 201910179911A CN 111698677 A CN111698677 A CN 111698677A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
- H04W8/183—Processing at user equipment or user record carrier
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
- H04W8/20—Transfer of user or subscriber data
- H04W8/205—Transfer to or from user equipment or user record carrier
Abstract
The embodiment of the invention provides a method for reporting and receiving user plane statistical information and network equipment. The reporting method of the user plane statistical information comprises the following steps: receiving a request message which is sent by a first target functional entity and requests the UPF to report the user plane statistical information; and sending the user plane statistical information to the first target functional entity. In the scheme of the invention, the first target functional entity comprises the NWDAF entity, so that the NWDAF entity can acquire the user plane statistical information.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a method and a network device for reporting and receiving user plane statistics information.
Background
In the existing 5G Network intelligent technical solution, when performing offline quality of Service (Service QoE) Data model training, an NWDAF (Network Data analysis Function) needs to collect Service layer Data, Network side Data and Network side Data from an application server AF, related 5G Network functions (such as AMF, SMF, etc.), Network management and administration and maintenance (OAM), etc.
Wherein: in order to obtain the corresponding relationship between the QoS and QoS parameters, the network data provided by the 5G network function needs to include the following information:
1) a traffic flow Bit Rate (QoS flow Bit Rate) including a Bit Rate of uplink data and a Bit Rate of downlink data;
2) the service flow Packet Delay (QoS flow Packet Delay) comprises the message Delay of uplink data and the message Delay of downlink data;
3) packet retransmission (Packet retransmission), the number of Packet retransmissions;
however, there is no standardized solution for how NWDAF obtains the above-mentioned user plane-based statistics data from the 5G network function NF (e.g. via a mechanism for counting and reporting the user plane processing function UPF).
Disclosure of Invention
The invention provides a method and network equipment for reporting and receiving user plane statistical information. The upper network can obtain the statistical data of the relevant user plane from the 5G network function NF.
To solve the above technical problem, an embodiment of the present invention provides the following solutions:
a method for reporting user plane statistical information is applied to a User Plane Function (UPF) entity, and comprises the following steps:
receiving a request message which is sent by a first target functional entity and requests the UPF to report the user plane statistical information;
and sending the user plane statistical information to the first target functional entity.
Wherein the first target functional entity comprises: a network data analysis function (NWDAF) entity or a Session Management Function (SMF) entity;
receiving a request message sent by a first target functional entity and requesting the UPF to report the user plane statistical information, wherein the request message comprises the following steps:
receiving a notification of subscribing user plane statistical information sent by the NWDAF entity or a request message requesting the UPF to report the user plane statistical information; alternatively, the first and second electrodes may be,
receiving indication information which is sent by the SMF entity and requests a User Plane Function (UPF) entity to execute user plane information statistics; alternatively, the first and second electrodes may be,
and receiving a notice of subscribing the user plane statistical information sent by the SMF entity.
Wherein sending the user plane statistics information to the first target function entity comprises:
sending the user plane statistics to the NWDAF entity; or
And sending the user plane statistical information to the SMF entity.
Wherein, obtaining the user plane statistical information comprises:
user plane statistics of terminals, applications and/or flows are obtained.
Wherein the user plane statistics include: at least one of bit rate, message delay, number of message retransmissions.
Wherein the bit rate comprises: the bit rate of the uplink data and the bit rate of the downlink data;
the message delay comprises: message delay of uplink data and message delay of downlink data.
The embodiment of the invention also provides a method for receiving the user plane statistical information, which is applied to a network data analysis function NWDAF entity, and comprises the following steps:
sending a request message for reporting user plane statistical information to a second target functional entity;
and receiving the user plane statistical information reported by the second target functional entity.
Wherein, sending a request message for reporting user plane statistical information to a second target function entity comprises:
calling a target function service, and sending a notice of subscribing user plane statistical information to the second target function entity; or
And sending request information for requesting the target functional entity to report the user plane statistical information to the second target functional entity.
Wherein the second target functional entity comprises: a user plane function UPF entity or a session management function SMF entity.
The embodiment of the invention also provides a transmission method of the user plane statistical information, which is applied to the SMF entity of the session management function, and the method comprises the following steps: receiving user plane statistical information sent by a user plane function UPF entity;
and sending the user plane statistical information to a network data analysis function (NWDAF) entity.
Before receiving the user plane statistical information sent by the user plane function UPF entity, the method further includes:
receiving a service calling request of a network data analysis function (NWDAF) entity;
and sending indication information for executing user plane information statistics to a user plane function UPF entity.
Before receiving the user plane statistical information sent by the user plane function UPF entity, the method further includes:
and sending a notice of subscribing the user plane statistical information to the UPF entity.
Wherein the user plane statistics include: at least one of bit rate, message delay, number of message retransmissions.
An embodiment of the present invention further provides a network device, where the network device is a user plane function UPF entity, and the network device includes:
and the transceiver is used for receiving a request message which is sent by a first target functional entity and requests the UPF to report the user plane statistical information, and sending the user plane statistical information to the first target functional entity.
Wherein the first target functional entity comprises: a network data analysis function (NWDAF) entity or a Session Management Function (SMF) entity;
the transceiver is used for receiving a notification of subscribing user plane statistical information sent by the NWDAF entity or a request message requesting the UPF to report the user plane statistical information; or receiving indication information which is sent by the SMF entity and requests a User Plane Function (UPF) entity to execute user plane information statistics; or receiving a notification of subscribing the user plane statistical information sent by the SMF entity.
Wherein the transceiver is further configured to transmit the user plane statistics to the NWDAF entity; or sending the user plane statistical information to the SMF entity.
Wherein the processor is specifically configured to: acquiring user plane statistical information of a terminal, an application and/or a flow; the user plane statistical information comprises: at least one of bit rate, message delay, number of message retransmissions.
Wherein the bit rate comprises: the bit rate of the uplink data and the bit rate of the downlink data;
the message delay comprises: message delay of uplink data and message delay of downlink data.
An embodiment of the present invention further provides a network device, where the network device is a network data analysis function NWDAF entity, and the network device includes:
the transceiver is used for sending a request message for reporting the user plane statistical information to a second target function entity; and is used for receiving the user plane statistical information reported by the second target functional entity.
The transceiver is specifically configured to invoke a target function service and send a notification of subscribing to user plane statistics information to the second target function entity; or, sending request information for requesting the target functional entity to report the user plane statistical information to the second target functional entity.
Wherein the second target functional entity comprises: a user plane function UPF entity or a session management function SMF entity.
An embodiment of the present invention further provides a network device, where the network device is a session management function SMF entity, and the network device includes:
the transceiver is used for receiving the user plane statistical information sent by the user plane function UPF entity; and sending the user plane statistical information to a network data analysis function (NWDAF) entity.
Wherein the transceiver is further configured to: receiving a service calling request of a network data analysis function (NWDAF) entity; and sending indication information for executing user plane information statistics to a user plane function UPF entity.
Wherein the transceiver is further configured to: and sending a notice of subscribing the user plane statistical information to the UPF entity.
An embodiment of the present invention further provides a network device, including: a processor, a memory storing a computer program which, when executed by the processor, performs the method as described above.
Embodiments of the present invention also provide a computer-readable storage medium including instructions that, when executed on a computer, cause the computer to perform the method as described above.
The scheme of the invention at least comprises the following beneficial effects:
according to the scheme, a request message for requesting the UPF to report the user plane statistical information, which is sent by a first target functional entity, is received; acquiring the user plane statistical information according to the request message; sending the user plane statistical information to the first target functional entity; the first target functional entity comprises an NWDAF entity, thereby enabling the NWDAF entity to obtain user plane statistics.
Drawings
Fig. 1 is a flow chart illustrating a reporting method of user plane statistical information of a UPF entity according to the present invention;
fig. 2 is a schematic flow chart of a method for receiving user plane statistics information of an NWDAF entity according to the present invention;
fig. 3 is a schematic flow chart of a transmission method of user plane statistical information of an SMF entity according to the present invention;
fig. 4 is a schematic diagram of the architecture of the network device according to the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
As shown in fig. 1, an embodiment of the present invention provides a method for reporting user plane statistical information, which is applied to a user plane function UPF entity, and the method includes:
and step 12, sending the user plane statistical information to the first target functional entity.
In the embodiment of the invention, a request message for requesting the UPF to report the user plane statistical information, which is sent by a first target functional entity, is received; acquiring the user plane statistical information according to the request message; sending the user plane statistical information to the first target functional entity; the first target functional entity comprises an NWDAF entity, thereby enabling the NWDAF entity to obtain user plane statistics.
In an embodiment of the present invention, the step 11 may specifically include:
step 111, receiving a notification of subscribing user plane statistical information sent by a network data analysis function NWDAF entity or a request message requesting the UPF to report the user plane statistical information;
correspondingly, the step 12 may specifically include: sending the user plane statistics to the NWDAF entity; or sending the user plane statistical information to the SMF entity, and sending the user plane statistical information to the NWDAF entity by the SMF entity.
In another embodiment of the present invention, the step 11 may specifically include:
and step 112, receiving indication information which is sent by the session management function SMF entity and requests the user plane function UPF entity to execute user plane information statistics. In this step, the NWDAF entity sends a notification of subscribing user plane statistics information to the SMF entity, and the SMF entity sends instruction information requesting the user plane function UPF entity to perform user plane information statistics to the UPF.
Correspondingly, step 13 may specifically include: sending the user plane statistics to the NWDAF entity; or sending the user plane statistical information to the SMF entity, and sending the user plane statistical information to the NWDAF entity by the SMF entity.
In another embodiment of the present invention, the step 11 may specifically include:
step 113, receiving a notification of subscribing the user plane statistical information sent by the SMF entity;
correspondingly, step 13 may specifically include: and the UPF reports the user plane statistical information to the SMF based on the notification, and the SMF entity sends the user plane statistical information to the NWDAF entity.
In the foregoing embodiment of the present invention, in step 12, the obtaining the user plane statistical information includes: acquiring user plane statistical information of a terminal, an application and/or a flow, wherein the user plane statistical information comprises: at least one of bit rate, message delay, and number of message retransmissions, the stream comprising: QoS (quality of service) flows or traffic flows.
Wherein the bit rate comprises: the bit rate of the uplink data and the bit rate of the downlink data;
the message delay comprises: message delay of uplink data and message delay of downlink data.
In the above embodiment of the present invention, after counting the user plane statistical information (QoE) related to the UPF, the UPF directly reports the QoE to the NWDAF, or the UPF first reports the QoE to the SMF and then reports the QoE to the NWDAF.
Wherein: there are two schemes for reporting the user plane statistical information to the NWDAF by the UPF or the SMF: request-response mode, subscription-notification mode, and request-response mode, respectively.
The scheme of request and response mode includes:
step one, an NWDAF calls a UPF service, and subscribes the reporting of user plane statistical information (QoE) to the UPF, or requests the UPF to report the user plane statistical information (QoE);
step two, the UPF receives the service call request of the NWDAF, and the UPF realizes the statistics of user plane information (QoE), and the method mainly comprises the following steps:
1) a bit rate (QoS flow BitRate) of at least one of a user or terminal, an application, and a QoS flow or traffic flow, including a bit rate of uplink data and a bit rate of downlink data;
2) the message Delay (QoS flowPacket Delay) of at least one item in user or terminal, application and QoS flow or service flow comprises the message Delay of uplink data and the message Delay of downlink data;
3) packet retransmission (packet retransmission) of at least one of a user or a terminal, an application and a QoS flow or a service flow, the number of packet retransmissions;
and step three, the UPF sends a message to the NWDAF, and the message carries user plane statistical information (QoE).
The subscription and notification scheme includes:
step one, an NWDAF calls an SMF service, and reports user plane statistical information (QoE) subscribed to the SMF, or requests the SMF to report the user plane statistical information (QoE);
step two, after receiving the service calling request of the NWDAF, the SMF informs the UPF to carry out the statistics of the user plane information (QoE);
step three, the statistics of the user plane information (QoE) is locally executed by the UPF, and the statistics mainly comprises the following steps:
1) a bit rate (QoS flow BitRate) of at least one of a user or terminal, an application, a QoS flow, or a traffic flow, including a bit rate of uplink data and a bit rate of downlink data;
2) the message Delay (QoS flowPacket Delay) of at least one item in user or terminal, application and QoS flow or service flow comprises the message Delay of uplink data and the message Delay of downlink data;
3) packet retransmission (packet retransmission) of at least one of a user or a terminal, an application and a QoS flow or a service flow, the number of packet retransmissions;
step four, the UPF sends a message to the SMF, wherein the message carries user plane statistical information (QoE), and the SMF sends a message to the NWDAF, wherein the message carries the user plane statistical information (QoE); or, the UPF directly sends a message to the nwaf, carrying user plane statistics information (QoE).
The scheme of the subscription mode comprises the following steps:
step one, the SMF calls a UPF service and subscribes the reporting of user plane statistical information (QoE) to the UPF, or requests the UPF to report the user plane statistical information (QoE);
step two, the UPF receives the SMF service call request, and the UPF realizes the statistics of user plane information (QoE), which mainly comprises the following steps:
1) a bit rate (QoS flow BitRate) of at least one of a user or terminal, an application, and a QoS flow or traffic flow, including a bit rate of uplink data and a bit rate of downlink data;
2) the message Delay (QoS flowPacket Delay) of at least one item in user or terminal, application and QoS flow or service flow comprises the message Delay of uplink data and the message Delay of downlink data;
3) packet retransmission (packet retransmission) of at least one of a user or a terminal, an application and a QoS flow or a service flow, the number of packet retransmissions;
and step three, the UPF sends a message to the SMF, wherein the message carries user plane statistical information (QoE), and further, the SMF sends a message to the NWDAF, wherein the message carries the user plane statistical information (QoE).
The above embodiments of the present invention provide a solution that a UPF directly reports to an NWDAF after counting user plane data (QoE) related to the UPF, or the UPF first reports to an SMF and then reports to the NWDAF, so that an NWDAF entity can obtain user plane statistical information.
As shown in fig. 2, an embodiment of the present invention further provides a method for receiving user plane statistics information, which is applied to a network data analysis function NWDAF entity, where the method includes:
Wherein, step 21 may specifically include:
step 211, invoking a target function service, and sending a notification of subscribing the user plane statistical information to the second target function entity; or
Step 212, sending request information for requesting the target functional entity to report the user plane statistical information to the second target functional entity.
In the foregoing embodiment of the present invention, the second target function entity includes: a user plane function UPF entity or a session management function SMF entity.
The NWDAF entity in this embodiment is the same as the NWDAF entity in the embodiment shown in fig. 1, and the execution flow is also the same, and all the implementations in the embodiment shown in fig. 1 are applicable to this embodiment, and the same technical effect can be achieved.
As shown in fig. 3, an embodiment of the present invention further provides a method for transmitting user plane statistics information, which is applied to a session management function SMF entity, and the method includes:
In one implementation, step 31 is preceded by:
step 3011, receiving a service invocation request of a network data analysis function NWDAF entity;
step 3012, send the indication information for executing the user plane information statistics to the user plane function UPF entity.
In another implementation, step 31 further includes:
step 3021, sending a notification of subscribing to the user plane statistics to the UPF entity.
The user plane statistical information mainly comprises:
1) a bit rate (QoS flow BitRate) of at least one of a user or terminal, an application, and a QoS flow or traffic flow, including a bit rate of uplink data and a bit rate of downlink data;
2) the message Delay (QoS flowPacket Delay) of at least one item in user or terminal, application and QoS flow or service flow comprises the message Delay of uplink data and the message Delay of downlink data;
3) packet retransmission (packet retransmission) of at least one of a user or a terminal, an application and a QoS flow or a traffic flow.
The SMF entity in this embodiment is the same as the SMF entity in the embodiment shown in fig. 1, and the execution flow is also the same, and all the implementation manners in the embodiment shown in fig. 1 are applicable to this embodiment, and the same technical effect can be achieved.
As shown in fig. 4, an embodiment of the present invention further provides a network device 40, where the network device is a user plane function UPF entity, and the network device includes:
the transceiver 41 is configured to receive a request message, which is sent by a first target functional entity and requests the UPF to report user plane statistics information, and send the user plane statistics information to the first target functional entity.
Wherein the first target functional entity comprises: a network data analysis function (NWDAF) entity or a Session Management Function (SMF) entity; the transceiver 42 is specifically configured to receive a notification of subscribing to user plane statistics information sent by a network data analysis function NWDAF entity or a request message requesting the UPF to report user plane statistics information; or receiving indication information which is sent by a Session Management Function (SMF) entity and requests a User Plane Function (UPF) entity to execute user plane information statistics; or receiving a notification of subscribing the user plane statistical information sent by the SMF entity.
Wherein the transceiver is further configured to transmit the user plane statistics to the NWDAF entity; or sending the user plane statistical information to the SMF entity.
The processor is specifically configured to obtain user plane statistical information of a terminal, an application, and/or a flow; the user plane statistical information comprises: at least one of bit rate, message delay, and number of message retransmissions; the stream includes: quality of service, QoS, flows or traffic flows.
Wherein the bit rate comprises: the bit rate of the uplink data and the bit rate of the downlink data;
the message delay comprises: message delay of uplink data and message delay of downlink data.
It should be noted that the UPF entity is a UPF entity corresponding to the method of the UPF entity shown in fig. 1, and all implementation manners in the embodiments of the method are applicable to the embodiments, and the same technical effect can be achieved. The network device may further include: a processor 42, a memory 43; the transceiver 41 and the processor 42, and the transceiver 41 and the memory 43 may be connected through a bus interface, and the functions of the transceiver 41 may be implemented by the processor 42, and the functions of the processor 42 may also be implemented by the transceiver 41.
An embodiment of the present invention further provides a network device, where the network device is a network data analysis function NWDAF entity, and the network device includes:
the transceiver is used for sending a request message for reporting the user plane statistical information to a second target function entity; and is used for receiving the user plane statistical information reported by the second target functional entity.
The transceiver is specifically configured to invoke a target function service and send a notification of subscribing to user plane statistics information to the second target function entity; or, sending request information for requesting the target functional entity to report the user plane statistical information to the second target functional entity.
Wherein the second target functional entity comprises: a user plane function UPF entity or a session management function SMF entity.
It should be noted that the NWDAF entity is an NWDAF entity corresponding to the NWDAF entity method shown in fig. 1, and all the implementations in the method embodiments are applicable to the embodiments, and the same technical effects can be achieved. The network device may further include: a processor, a memory; the transceiver and the processor, and the transceiver and the memory can be connected through a bus interface, the functions of the transceiver can be realized by the processor, and the functions of the processor can also be realized by the transceiver.
An embodiment of the present invention further provides a network device, where the network device is a session management function SMF entity, and the network device includes:
the transceiver is used for receiving the user plane statistical information sent by the user plane function UPF entity; and sending the user plane statistical information to a network data analysis function (NWDAF) entity.
Wherein the transceiver is further configured to: receiving a service calling request of a network data analysis function (NWDAF) entity; and sending indication information for executing user plane information statistics to a user plane function UPF entity.
Wherein the transceiver is further configured to: and sending a notice of subscribing the user plane statistical information to the UPF entity.
It should be noted that the SMF entity is an SMF entity corresponding to the method of the SMF entity shown in fig. 1, and all implementation manners in the method embodiments are applicable to the embodiments, and the same technical effect can be achieved. The network device may further include: a processor, a memory; the transceiver and the processor, and the transceiver and the memory can be connected through a bus interface, the functions of the transceiver can be realized by the processor, and the functions of the processor can also be realized by the transceiver.
An embodiment of the present invention further provides a network device, including: a processor, a memory storing a computer program which, when executed by the processor, performs at least one of the method of a UPF entity, the method of an NWDAF entity and the method of an SMF entity as described above. All the implementation manners of the method in the above embodiment are applicable to this embodiment, and the same technical effect can be achieved.
Embodiments of the present invention also provide a computer-readable storage medium including instructions that, when executed on a computer, cause the computer to perform at least one of the method of the UPF entity, the method of the NWDAF entity, and the method of the SMF entity as described above. All the implementation manners of the method in the above embodiment are applicable to this embodiment, and the same technical effect can be achieved.
In the above embodiment of the present invention, in the 5G system, the updf entity, the NWDAF entity, and the SMF entity are communicatively connected through an interface, the NWDAF entity and the SMF entity are communicatively connected through an interface, and the UPF entity and the SMF entity are communicatively connected through an interface.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the embodiments provided in the present invention, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a U disk, a removable hard disk, a ROM, a RAM, a magnetic disk, or an optical disk.
Furthermore, it is to be noted that in the device and method of the invention, it is obvious that the individual components or steps can be decomposed and/or recombined. These decompositions and/or recombinations are to be regarded as equivalents of the present invention. Also, the steps of performing the series of processes described above may naturally be performed chronologically in the order described, but need not necessarily be performed chronologically, and some steps may be performed in parallel or independently of each other. It will be understood by those skilled in the art that all or any of the steps or elements of the method and apparatus of the present invention may be implemented in any computing device (including processors, storage media, etc.) or network of computing devices, in hardware, firmware, software, or any combination thereof, which can be implemented by those skilled in the art using their basic programming skills after reading the description of the present invention.
Thus, the objects of the invention may also be achieved by running a program or a set of programs on any computing device. The computing device may be a general purpose device as is well known. The object of the invention is thus also achieved solely by providing a program product comprising program code for implementing the method or the apparatus. That is, such a program product also constitutes the present invention, and a storage medium storing such a program product also constitutes the present invention. It is to be understood that the storage medium may be any known storage medium or any storage medium developed in the future. It is further noted that in the apparatus and method of the present invention, it is apparent that each component or step can be decomposed and/or recombined. These decompositions and/or recombinations are to be regarded as equivalents of the present invention. Also, the steps of executing the series of processes described above may naturally be executed chronologically in the order described, but need not necessarily be executed chronologically. Some steps may be performed in parallel or independently of each other.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (27)
1. A method for reporting user plane statistical information is applied to a User Plane Function (UPF) entity, and the method comprises the following steps:
receiving a request message which is sent by a first target functional entity and requests the UPF to report the user plane statistical information;
and sending the user plane statistical information to the first target functional entity.
2. The method of claim 1, wherein the first target functional entity comprises: a network data analysis function (NWDAF) entity or a Session Management Function (SMF) entity;
receiving a request message sent by a first target functional entity and requesting the UPF to report the user plane statistical information, wherein the request message comprises the following steps:
receiving a notification of subscribing user plane statistical information sent by the NWDAF entity or a request message requesting the UPF to report the user plane statistical information;
alternatively, the first and second electrodes may be,
receiving indication information which is sent by the SMF entity and requests a User Plane Function (UPF) entity to execute user plane information statistics;
alternatively, the first and second electrodes may be,
and receiving a notice of subscribing the user plane statistical information sent by the SMF entity.
3. The method of claim 2, wherein sending the user plane statistics information to the first target functional entity comprises:
sending the user plane statistics to the NWDAF entity; or
And sending the user plane statistical information to the SMF entity.
4. The method for reporting user plane statistics information as claimed in any one of claims 1 to 3, wherein the obtaining the user plane statistics information comprises:
user plane statistics of terminals, applications and/or flows are obtained.
5. The method of claim 4, wherein the user plane statistics information comprises: at least one of bit rate, message delay, number of message retransmissions.
6. The method for reporting user plane statistics information as claimed in claim 5, wherein,
the bit rates include: the bit rate of the uplink data and the bit rate of the downlink data;
the message delay comprises: message delay of uplink data and message delay of downlink data.
7. A method for receiving user plane statistics, wherein the method is applied to a network data analysis function NWDAF entity, and the method comprises:
sending a request message for reporting user plane statistical information to a second target functional entity;
and receiving the user plane statistical information reported by the second target functional entity.
8. The method for receiving user plane statistics information as claimed in claim 7, wherein sending a request message for reporting user plane statistics information to a second target function entity comprises:
calling a target function service, and sending a notice for subscribing the user plane statistical information to the second target function entity; or
And sending request information for requesting the second target functional entity to report the user plane statistical information to the second target functional entity.
9. The method of receiving user plane statistics information as claimed in claim 8, wherein the second target function entity comprises: a user plane function UPF entity or a session management function SMF entity.
10. A transmission method of user plane statistical information is applied to a Session Management Function (SMF) entity, and the method comprises the following steps:
receiving user plane statistical information sent by a user plane function UPF entity;
and sending the user plane statistical information to a network data analysis function (NWDAF) entity.
11. The method for receiving user plane statistics information as claimed in claim 10, wherein before receiving the user plane statistics information sent by the user plane function UPF entity, the method further comprises:
receiving a service calling request of a network data analysis function (NWDAF) entity;
and sending indication information for executing user plane information statistics to a user plane function UPF entity.
12. The method for receiving user plane statistics information as claimed in claim 10, wherein before receiving the user plane statistics information sent by the user plane function UPF entity, the method further comprises:
and sending a notice of subscribing the user plane statistical information to the UPF entity.
13. The method for receiving user plane statistics information according to any of claims 10 to 12, wherein the user plane statistics information comprises: at least one of bit rate, message delay, number of message retransmissions.
14. A network device, wherein the network device is a user plane function, UPF, entity, comprising:
the transceiver is used for receiving a request message which is sent by a first target functional entity and requests the UPF to report the user plane statistical information;
and sending the user plane statistical information to the first target functional entity.
15. The network device of claim 14, wherein the first target function entity comprises: a network data analysis function (NWDAF) entity or a Session Management Function (SMF) entity;
the transceiver is used for receiving a notification of subscribing user plane statistical information sent by the NWDAF entity or a request message requesting the UPF to report the user plane statistical information; or receiving indication information which is sent by the SMF entity and requests a User Plane Function (UPF) entity to execute user plane information statistics; or receiving a notification of subscribing the user plane statistical information sent by the SMF entity.
16. The network device of claim 15, wherein the transceiver is further configured to send the user plane statistics to the NWDAF entity; or sending the user plane statistical information to the SMF entity.
17. The network device of any one of claims 14 to 16, further comprising a processor, the processor being configured to: user plane statistics of terminals, applications and/or flows are obtained.
18. The network device of claim 17, wherein the user plane statistics comprise: at least one of bit rate, message delay, number of message retransmissions.
19. The network device of claim 18,
the bit rates include: the bit rate of the uplink data and the bit rate of the downlink data;
the message delay comprises: message delay of uplink data and message delay of downlink data.
20. A network device, wherein the network device is a network data analysis function, NWDAF, entity, comprising:
the transceiver is used for sending a request message for reporting the user plane statistical information to a second target function entity; and is used for receiving the user plane statistical information reported by the second target functional entity.
21. The network device of claim 20, wherein the transceiver is specifically configured to invoke a target function service, send a notification of subscription to user plane statistics to the second target function entity; or, sending request information for requesting the target functional entity to report the user plane statistical information to the second target functional entity.
22. The network device of claim 21, wherein the second target function entity comprises: a user plane function UPF entity or a session management function SMF entity.
23. A network device, wherein the network device is a session management function, SMF, entity, comprising:
the transceiver is used for receiving the user plane statistical information sent by the user plane function UPF entity; and sending the user plane statistical information to a network data analysis function (NWDAF) entity.
24. The network device of claim 23, wherein the transceiver is further configured to: receiving a service calling request of a network data analysis function (NWDAF) entity; and sending indication information for executing user plane information statistics to a user plane function UPF entity.
25. The network device of claim 24, wherein the transceiver is further configured to: and sending a notice of subscribing the user plane statistical information to the UPF entity.
26. A network device, comprising: a processor, a memory storing a computer program which, when executed by the processor, performs the method of any of claims 1 to 6, or the method of any of claims 7 to 9, or the method of any of claims 10 to 13.
27. A computer-readable storage medium comprising instructions which, when executed on a computer, cause the computer to perform the method of any one of claims 1 to 6, or the method of any one of claims 7 to 9, or the method of any one of claims 10 to 13.
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