CN118075718A - Data packet communication method, device, communication equipment and storage medium - Google Patents

Abstract

The application relates to a data packet communication method, a data packet communication device, communication equipment and a storage medium, and relates to the technical field of wireless communication. The method comprises the following steps: under the condition that the target UE passes user authentication, the SMF network element acquires QoS parameter requirements of the target UE, determines target dynamic PDR from at least one dynamic PDR corresponding to the airborne CPE according to the QoS parameter requirements of the target UE, updates the target dynamic PDR according to the IP address of the target UE, and sends the updated target dynamic PDR to the UPF network element so that the UPF network element routes downlink data packets of the target UE to the airborne CPE based on the updated target dynamic PDR; wherein the target UE communicates based on the on-board CPE. According to the method, the target dynamic PDR obtained based on the IP address update of the target UE is sent to the UPF network element in advance through the SMF network element, and when the UPF network element receives the downlink data packet of the target UE, the attribution user of the downlink data packet can be identified based on the target dynamic PDR, so that dedicated communication service is provided for the target UE through the airborne CPE.

Description

Data packet communication method, device, communication equipment and storage medium

Technical Field

The present application relates to the field of wireless communications technologies, and in particular, to a data packet communication method, apparatus, communication device, and storage medium.

Background

With the continuous development of wireless communication technology and 5G technology (5 th Generation Mobile Communication Technology, fifth generation mobile communication technology), 5G ATG (Air To group, ground-Air communication system) has been able To deploy Ground-dedicated base stations along a route, so as To implement bidirectional communication between an aircraft and the Ground, and meet the requirement of users in a cabin accessing the internet during the navigation of the aircraft.

However, at present, terminals held by users in the cabin all transmit data through PDU (Protocol Data Unit ) session of the on-board CPE (Customer-premises equipment), and the on-board CPE cannot identify data messages of different users, so that different service experiences cannot be provided for the users in the cabin.

Disclosure of Invention

In view of the foregoing, it is desirable to provide a data packet communication method, apparatus, communication device, and storage medium capable of identifying data packets of different UEs on an aircraft, thereby providing dedicated communication services for the different UEs.

In a first aspect, the present application provides a data packet communication method, where the method is applied to an SMF network element, and includes:

Under the condition that the target UE passes user authentication, acquiring QoS parameter requirements of the target UE; the target UE communicates based on the airborne CPE;

according to QoS parameter requirements of target UE, determining target dynamic PDR from at least one dynamic PDR corresponding to airborne CPE;

And updating the target dynamic PDR according to the IP address of the target UE, and sending the updated target dynamic PDR to the UPF network element so that the UPF network element routes the downlink data packet of the target UE to the on-board CPE based on the updated target dynamic PDR.

In one embodiment, determining the target dynamic PDR from at least one dynamic PDR corresponding to the on-board CPE according to QoS parameter requirements of the target UE includes:

determining a target QoS flow meeting the QoS parameter requirement of the target UE from at least one QoS flow corresponding to the on-board CPE;

And determining the target dynamic PDR from at least one dynamic PDR corresponding to the on-board CPE according to the identification information of the target QoS flow.

In one embodiment, updating the target dynamic PDR according to the IP address of the target UE includes:

adding the IP address of the target UE to the frame routing information of the rule information corresponding to the target dynamic PDR to obtain updated target dynamic PDR; wherein, the frame route information of the rule information corresponding to the target dynamic PDR before updating is null.

In one embodiment, sending the updated target dynamic PDR to the UPF network element includes:

Transmitting PDU session information of the on-board CPE to the UPF network element through the PFCP protocol; the PDU session message carries the updated target dynamic PDR.

In one embodiment, before acquiring the QoS parameter requirement of the target UE, the method further includes:

Generating a dynamic PDR corresponding to the airborne CPE; the rule information corresponding to the dynamic PDR comprises identification information of the exclusive QoS flow and empty frame routing information;

and sending the dynamic PDR to the UPF network element through the PFCP protocol.

In one embodiment, before generating the dynamic PDR corresponding to the on-board CPE, the method further includes:

establishing a PDU session of the airborne CPE; wherein the PDU session includes at least one dedicated QoS flow.

In one embodiment, the PDU session further includes a default QoS flow, and the method further includes:

Generating a static PDR corresponding to the airborne CPE; the rule information corresponding to the static PDR comprises identification information of default QoS flows and frame routing information of airborne CPEs;

and sending the static PDR to the UPF network element through the PFCP protocol.

In a second aspect, the present application provides a data packet communication method, where the method is applied to a UPF network element, and includes:

receiving updated target dynamic PDR corresponding to target UE sent by an SMF network element;

The updated target dynamic PDR is obtained by updating the target dynamic PDR by the SMF network element according to the IP address of the target UE, and the target dynamic PDR before updating is determined from at least one dynamic PDR corresponding to the on-board CPE according to the QoS parameter requirement of the target UE and the QoS parameter requirement of the target UE obtained by the SMF network element under the condition that the target UE passes user authentication;

Receiving a downlink data packet of the target UE, and routing the downlink data packet of the target UE to the on-board CPE according to the updated target dynamic PDR; wherein the target UE communicates based on the on-board CPE.

In one embodiment, routing the downlink data packet of the target UE to the on-board CPE according to the updated target dynamic PDR includes:

According to the updated frame routing information of the rule information corresponding to the target dynamic PDR, the downlink data packet of the target UE is routed to the airborne CPE; the updated frame route information of the rule information corresponding to the target dynamic PDR comprises the IP address of the target UE.

In a third aspect, the present application further provides a data packet communication device, where the device is configured to an SMF network element, and includes:

The acquisition module is used for acquiring QoS parameter requirements of the target UE under the condition that the target UE passes user authentication; the target UE communicates based on the airborne CPE;

The determining module is used for determining a target dynamic PDR from at least one dynamic PDR corresponding to the on-board CPE according to QoS parameter requirements of the target UE;

and the sending module is used for updating the target dynamic PDR according to the IP address of the target UE and sending the updated target dynamic PDR to the UPF network element so that the UPF network element routes the downlink data packet of the target UE to the airborne CPE based on the updated target dynamic PDR.

In a fourth aspect, the present application further provides a packet communication device, where the device is configured in a UPF network element, and includes:

The receiving module is used for receiving updated target dynamic PDR corresponding to the target UE sent by the SMF network element;

The updated target dynamic PDR is obtained by updating the target dynamic PDR by the SMF network element according to the IP address of the target UE, and the target dynamic PDR before updating is determined from at least one dynamic PDR corresponding to the on-board CPE according to the QoS parameter requirement of the target UE and the QoS parameter requirement of the target UE obtained by the SMF network element under the condition that the target UE passes user authentication;

the routing module is used for receiving the downlink data packet of the target UE and routing the downlink data packet of the target UE to the airborne CPE according to the updated target dynamic PDR; wherein the target UE communicates based on the on-board CPE.

In a fifth aspect, the present application also provides a communication device, including: a transmitter, a receiver, a processor and a memory, the memory storing a computer program;

The receiver is used for acquiring QoS parameter requirements of the target UE under the condition that the target UE passes user authentication; the target UE communicates based on the airborne CPE;

The processor is used for determining a target dynamic PDR from at least one dynamic PDR corresponding to the on-board CPE according to QoS parameter requirements of the target UE, and updating the target dynamic PDR according to the IP address of the target UE;

The transmitter is configured to send the updated target dynamic PDR to the UPF network element, so that the UPF network element routes the downlink data packet of the target UE to the on-board CPE based on the updated target dynamic PDR.

In a sixth aspect, the present application also provides a communication apparatus, comprising: a transmitter, a receiver, a processor and a memory, the memory storing a computer program;

the receiver is used for receiving the updated target dynamic PDR corresponding to the target UE sent by the SMF network element and receiving the downlink data packet of the target UE;

The updated target dynamic PDR is obtained by updating the target dynamic PDR by the SMF network element according to the IP address of the target UE, and the target dynamic PDR before updating is determined from at least one dynamic PDR corresponding to the on-board CPE according to the QoS parameter requirement of the target UE and the QoS parameter requirement of the target UE obtained by the SMF network element under the condition that the target UE passes user authentication;

The transmitter is used for routing the downlink data packet of the target UE to the airborne CPE according to the updated target dynamic PDR; wherein the target UE communicates based on the on-board CPE.

In a seventh aspect, the present application also provides a computer readable storage medium having stored thereon a computer program which when executed by a processor performs the steps of the method of the first or second aspect described above.

In an eighth aspect, the application also provides a computer program product comprising a computer program which, when executed by a processor, implements the steps of the method of the first or second aspect described above.

According to the data packet communication method, the device, the communication equipment and the storage medium, the SMF network element obtains the QoS parameter requirement of the target UE under the condition that the target UE passes user authentication, and determines the target dynamic PDR from at least one dynamic PDR corresponding to the airborne CPE according to the QoS parameter requirement of the target UE, and further updates the target dynamic PDR according to the IP address of the target UE, and further sends the updated target dynamic PDR to the UPF network element so that the UPF network element routes the downlink data packet of the target UE to the airborne CPE based on the updated target dynamic PDR; wherein the target UE communicates based on the on-board CPE. According to the application, data communication is carried out between the SMF network element and the UPF network element, and the SMF network element sends the target dynamic PDR obtained based on the IP address update of the target UE to the UPF network element in advance, so that when the UPF network element receives the downlink data packet of the target UE, the home subscriber of the downlink data packet can be identified based on the target dynamic PDR, and the dedicated communication service is provided for the target UE through the airborne CPE.

Drawings

FIG. 1 is an application scenario diagram of a data packet communication method in one embodiment;

FIG. 2 is a flow chart of a method of packet communication in one embodiment;

FIG. 3 is a flow diagram of determining a target dynamic PDR in one embodiment;

FIG. 4 is a flow diagram of a process for transmitting dynamic PDR in one embodiment;

FIG. 5 is a flow diagram of a process for transmitting a static PDR in one embodiment;

FIG. 6 is a flow chart of a method of packet communication in another embodiment;

FIG. 7 is a flow chart of a method of packet communication in yet another embodiment;

FIG. 8 is a block diagram of a packet communication device in one embodiment;

FIG. 9 is a block diagram of a packet communication device in another embodiment;

FIG. 10 is a block diagram of a packet communication device in yet another embodiment;

FIG. 11 is a block diagram of a packet communication device in yet another embodiment;

Fig. 12 is a block diagram of a packet communication device in yet another embodiment.

Detailed Description

The present application will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present application more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.

The data packet communication method provided by the embodiment of the application can be applied to an application environment shown in fig. 1. The on-board CPE hangs an IP (Internet Protocol ) network of an IPv4 address segment or an IPv6 address prefix under the frame route, and a plurality of UEs (User Equipment) in the cabin all perform data communication through PDU sessions of the on-board CPE, where the UEs may be passenger UEs or service UEs.

Specifically, the UE authenticated by the ATG service system is the target UE in this embodiment, the SMF (Session Management Function ) network element obtains the IP address and QoS (Quality of Service ) parameter requirements of the target UE, further determines the target dynamic PDR from at least one dynamic PDR (Packet Detection Rule ) corresponding to the on-board CPE according to the QoS parameter requirements of the target UE, updates the target dynamic PDR according to the IP address of the target UE, and further, the SMF network element sends the updated target dynamic PDR to the UPF (User Plane Function ) network element, so that the UPF network element can route the downlink packet of the target UE to the on-board CPE based on the updated target dynamic PDR under the condition that the uplink packet of the target UE is received, and provides dedicated communication service for the target UE.

Optionally, the 5G ATG base station is a gNB (gNodeB), and the 5G ATG core network further includes an AMF (ACCESS AND Mobility Management Function ) network element and a PCF (Policy Control Function, policy control function) network element. The PCF network element may obtain the IP address and QoS parameter requirement of the target UE from the ATG service system, and forward the same to the SMF network element.

The UE may be, but not limited to, various personal computers, notebook computers, smartphones, tablet computers, internet of things devices, portable wearable devices, etc., which may be smartwatches, smartbracelets, headsets, etc.

In one embodiment, as shown in fig. 2, a data packet communication method is provided, which is applied to an SMF network element, and includes the following steps:

S201, under the condition that the target user equipment UE passes user authentication, the QoS parameter requirement of the target UE is acquired.

When the aircraft is in a flight state, a user in the cabin can access the ATG service system through the UE to perform user authentication aiming at the exclusive user. For example, a user subscribes to a dedicated communication service by accessing an ATG service system through the UE, thereby completing user authentication for the UE. The UE may be a mobile phone, a computer, or other devices held by a user in the cabin.

The target UE communicates based on an on-board CPE, which is a device within the nacelle that can receive the mobile signal and convert it to Wi-Fi (wireless network communication technology) signals, which can provide communication services for the user within the nacelle.

Taking any UE passing through user authentication as an example, the UE is the target UE, and the SMF network element in the 5G core network obtains the QoS parameter requirement of the target UE under the condition that the target UE passes through the user authentication of the ATG service system. The QoS parameter requirements of the target UE are used to characterize the specific requirements of the target UE on the communication service quality as a dedicated user, such as specific requirements on parameters of transmission bandwidth, transmission delay, and data packet loss rate.

Specifically, after the ATG service system accepts the subscription of the target UE, the subscription information and the IP address of the target UE are sent to the PCF network element of the core network, and the PCF network element further notifies the SMF network element to obtain the QoS parameter requirement of the target UE.

Optionally, the SMF network element obtains the QoS parameter requirement of the target UE from the PCF network element, or the SMF network element directly obtains the QoS parameter requirement of the target UE from the ATG service system.

S202, determining a target dynamic PDR from at least one dynamic data packet detection rule PDR corresponding to the on-board CPE according to QoS parameter requirements of the target UE.

Under the condition that the PDU session is established for the airborne CPE in advance, the SMF network element pre-generates a plurality of PDRs corresponding to the airborne CPE, wherein the PDRs comprise a static PDR and at least one dynamic PDR. The static PDR is used for the UPF network element to identify the data packet corresponding to the default user UE, and the dynamic PDR is used for the UPF network element to identify the data packet corresponding to the exclusive user UE, wherein the default user UE is the UE which does not pass the user authentication.

It can be appreciated that, since specific requirements of different dedicated UEs on communication service quality may be inconsistent, dedicated QoS flows provided for the different dedicated UEs should be inconsistent, so that dynamic PDRs for the UPF network element to identify data packets corresponding to the different dedicated UEs are also inconsistent, and a matched target dynamic PDR needs to be selected from at least one dynamic PDR according to actual QoS parameter requirements of the target UE.

Specifically, the SMF network element determines a suitable target dynamic PDR from the dynamic PDRs according to the QoS parameter requirement of the target UE and the dedicated QoS flow matched with each dynamic PDR corresponding to the on-board CPE.

And S203, updating the target dynamic PDR according to the Internet Protocol (IP) address of the target UE, and sending the updated target dynamic PDR to a user plane function UPF network element so that the UPF network element routes a downlink data packet of the target UE to the on-board CPE based on the updated target dynamic PDR.

The SMF network element updates the target dynamic PDR according to the IP address of the target UE, so that the target dynamic PDR is bound with the target UE, and the target dynamic PDR is used for the UPF network element to identify the data packet corresponding to the target UE.

Further, the SMF network element sends the updated target dynamic PDR to the UPF network element of the core network, so when the UPF network element receives the downlink data packet of the target UE, the updated target dynamic PDR bound to the target UE may be determined, and further, based on the dedicated QoS flow matched with the updated target dynamic PDR, the downlink data packet of the target UE is routed to the on-board CPE, thereby providing dedicated communication service for the target UE.

In the above embodiment, the data communication is performed between the SMF network element and the UPF network element, and the SMF network element sends the target dynamic PDR updated based on the IP address of the target UE to the UPF network element in advance, so that when the UPF network element receives the downlink data packet of the target UE, the UPF network element can identify the home subscriber of the downlink data packet based on the target dynamic PDR, thereby providing the dedicated communication service for the target UE through the on-board CPE.

In order to reasonably determine the target dynamic PDR more suitable for the target UE, in an embodiment, based on the above embodiment, it may be determined whether the dedicated QoS flows matched with each dynamic PDR meet the QoS parameter requirement of the target UE, to determine the target dynamic PDR more suitable for the target UE, as shown in fig. 3, where S202 includes:

s301, determining a target QoS flow meeting QoS parameter requirements of target UE from at least one QoS flow corresponding to the on-board CPE.

The SMF network element pre-establishes a PDU session for the on-board CPE, the PDU session comprising one default QoS flow and at least one proprietary QoS flow. It will be appreciated that the default QoS flow is used for data communication by the default user UE and the dedicated QoS flow is used for data communication by the dedicated user UE.

The SMF network element maps to the target QoS flow according to QoS parameter requirements of the target UE. Specifically, from at least one dedicated QoS flow corresponding to the on-board CPE, a dedicated QoS flow that meets the QoS parameter requirement of the target UE is determined, and is used as the target QoS flow.

Alternatively, in case there are multiple dedicated QoS flows that meet the QoS parameter requirements of the target UE, one dedicated QoS flow is selected as the target QoS flow.

S302, determining a target dynamic PDR from at least one dynamic PDR corresponding to the on-board CPE according to the identification information of the target QoS flow.

The identification information of the target QoS flow is used for indicating the target QoS flow, and has uniqueness. The rule information corresponding to the dynamic PDR, i.e., PDI (Packet Detection Rule Information ), includes identification information of the dedicated QoS flow.

Under the condition of determining the target QoS flow, the SMF network element searches the identification information of the target QoS flow from the PDI of each dynamic PDR corresponding to the airborne CPE, so that the dynamic PDR with the identification information of the exclusive QoS flow as the identification information of the target QoS flow is determined as the target dynamic PDR.

In the above embodiment, the target QoS flow more suitable for the target UE is selected from the multiple QoS flows corresponding to the on-board CPE, and then the target dynamic PDR more suitable for the target UE is selected from the multiple dynamic PDRs corresponding to the on-board CPE based on the characteristic that the identification information of the target QoS flow has uniqueness, so as to provide a precondition for binding the target dynamic PDR with the target UE.

In order that the UPF network element may accurately route when receiving the downlink packet of the target UE, in one embodiment, the IP address of the target UE may be directly added to the target dynamic PDR, where the step S203 includes: and adding the IP address of the target UE to the frame routing information of the rule information corresponding to the target dynamic PDR to obtain the updated target dynamic PDR.

The rule information corresponding to the target dynamic PDR, namely PDI, comprises identification information of the target QoS flow and preset frame routing information. For the dynamic PDR, the preset frame routing information is null before binding with the dedicated UE, that is, the frame routing information of the rule information corresponding to the target dynamic PDR before updating is null.

Thus, the SMF network element can directly add the IP address of the target UE to the frame route information of the PDI of the target dynamic PDR, so as to finish updating the target dynamic PDR. Further, the SMF network element informs the UPF network element of the update session.

Optionally, when the dedicated UE cancels the dedicated communication service, the IP address of the target UE in the frame routing information of the rule information corresponding to the target dynamic PDR is deleted, and the UPF network element is notified to update the session.

Optionally, the protocol data unit PDU session message of the on-board CPE is sent to the UPF network element through the message forwarding control PFCP protocol; the PDU session message carries the updated target dynamic PDR.

The SMF network element sends PDU session information carrying the updated target dynamic PDR to the UPF network element through PFCP protocol (Packet Forwarding Control Protocol, message forwarding control protocol).

In the above embodiment, the session update for the target dynamic PDR can be achieved by performing data communication between the SMF network element and the UPF network element, and the dedicated communication service of the target UE is configured with high efficiency without the cooperation of the target UE.

In order to provide normalized dedicated communication service to the dedicated UE, in an embodiment, the dynamic PDR corresponding to the on-board CPE may be generated first, so that the dynamic PDR may be updated directly, time delay in the configuration process may be reduced, and user experience may be optimized, as shown in fig. 4, before S201, the method for communicating a data packet may further include:

s401, generating a dynamic PDR corresponding to the airborne CPE.

Under the condition that the SMF network element establishes PDU session for the airborne CPE in advance, a plurality of dynamic PDRs corresponding to the airborne CPE are pre-generated.

The rule information corresponding to the dynamic PDR, namely the PDI, includes identification information of an exclusive QoS flow and emptied frame routing information, the exclusive QoS flow is used for data communication by the exclusive UE, and the emptied frame routing information is used for adding an IP address of the exclusive UE when the dynamic PDR is subsequently bound with the exclusive UE.

S402, the dynamic PDR is sent to the UPF network element through the PFCP protocol.

Further, the SMF network element sends the generated dynamic PDR to the UPF network element through the PFCP protocol, so as to instruct the UPF network element to store the dynamic PDR, and wait for a subsequent update.

According to the embodiment, the pre-generation flow of the dynamic PDR in the CPE session establishment stage is provided, so that the special user UE for opening the special communication service can select a more proper target from the pre-generated dynamic PDR, the situation that the special communication service cannot be smoothly provided for a large number of special user UEs is avoided, and the reliability of the data packet communication service in the aircraft navigation is improved.

In order to provide communication services to users in the nacelle, in one embodiment, before S401, the method for packet communication may further include: a PDU session for the on-board CPE is established.

The SMF network element establishes a PDU session for the on-board CPE in advance, wherein the PDU session comprises at least one exclusive QoS flow which is used for data communication by exclusive user UE.

Optionally, the PDU session further comprises a default QoS flow for data communication by the default user UE.

Accordingly, in order to provide a normalized default communication service for a default UE, in an embodiment, a static PDR corresponding to an on-board CPE may be generated first, so as to reduce a delay in a configuration process and optimize a user experience, as shown in fig. 5, the above data packet communication method may further include:

S501, generating a static PDR corresponding to the airborne CPE.

Under the condition that the SMF network element establishes PDU session for the airborne CPE in advance, a static PDR corresponding to the airborne CPE is pre-generated.

The rule information corresponding to the static PDR, namely the PDI, includes identification information of a default QoS flow and frame routing information of the on-board CPE, the default QoS flow is used for data communication by a default UE, and IP addresses of all default UEs when the default UEs perform data communication are mounted under the on-board CPE.

Optionally, the SMF Network element obtains frame routing information of the on-board CPE from a UDM (Unified DATA MANAGEMENT) Network element or a DN-AAA (Data Network-AAA,5G private Network AAA authentication) server.

S502, static PDR is sent to UPF network element through PFCP protocol.

Further, the SMF network element sends the generated static PDR to the UPF network element through the PFCP protocol, so as to instruct the UPF network element to store the static PDR.

The above embodiment provides a pre-generation flow of the static PDR in the CPE session establishment stage, so that the default UE may perform data communication based on the frame routing information of the on-board CPE, thereby improving the reliability of the data packet communication service in the aircraft navigation.

In one embodiment, as shown in fig. 6, a packet communication method is provided, applied to a UPF network element, and includes the following steps:

S601, receiving updated target dynamic PDR corresponding to target UE sent by SMF network element.

And the user subscribes the exclusive communication service through the UE accessing the ATG service system, so that the user authentication of the UE is completed, and the UE is the target UE.

Under the condition that the target UE passes the user authentication of the ATG service system, the SMF network element acquires the QoS parameter requirement of the target UE, and determines proper target dynamic PDR from the dynamic PDRs according to the QoS parameter requirement of the target UE and the matched exclusive QoS flow of each dynamic PDR corresponding to the on-board CPE.

The QoS parameter requirements of the target UE are used to characterize the specific requirements of the target UE on the communication service quality as a dedicated user, such as specific requirements on parameters of transmission bandwidth, transmission delay, and data packet loss rate. Under the condition that the PDU session is established for the airborne CPE in advance, the SMF network element pre-generates a plurality of PDRs corresponding to the airborne CPE, wherein the PDRs comprise a static PDR and at least one dynamic PDR. The static PDR is used for the UPF network element to identify the data packet corresponding to the default user UE, the dynamic PDR is used for the UPF network element to identify the data packet corresponding to the exclusive user UE, and the default user UE is the UE which does not pass the user authentication.

Further, the SMF network element updates the target dynamic PDR according to the IP address of the target UE, so that the target dynamic PDR is bound with the target UE, the target dynamic PDR is used for the UPF network element to identify the data packet corresponding to the target UE, and the updated target dynamic PDR is sent to the UPF network element.

Correspondingly, the UPF network element receives the updated target dynamic PDR sent by the SMF network element.

S602, receiving a downlink data packet of the target UE, and routing the downlink data packet of the target UE to the on-board CPE according to the updated target dynamic PDR.

The UPF network element receives the downlink data packet of the target UE, so as to determine an updated target dynamic PDR bound with the target UE, and further, the UPF network element routes the downlink data packet of the target UE to the on-board CPE based on the exclusive QoS flow matched with the updated target dynamic PDR, so as to provide exclusive communication service for the target UE.

The target UE communicates based on an on-board CPE, which may provide communication services for users in the nacelle.

In the above embodiment, through data communication between the SMF network element and the UPF network element, the UPF network element receives the target dynamic PDR updated by the SMF network element based on the IP address of the target UE in advance, and when the downlink data packet of the target UE is received, the home subscriber of the downlink data packet can be identified based on the target dynamic PDR, so that dedicated communication service is provided for the target UE through the on-board CPE.

As an optional implementation manner in this embodiment, the UPF network element may route the downlink data packet of the target UE to the on-board CPE according to the updated frame routing information of the rule information corresponding to the target dynamic PDR.

The SMF network element pre-establishes a PDU session for the on-board CPE, the PDU session comprising one default QoS flow and at least one proprietary QoS flow. It will be appreciated that the default QoS flow is used for data communication by the default user UE and the dedicated QoS flow is used for data communication by the dedicated user UE.

The rule information corresponding to the target dynamic PDR, namely PDI, comprises identification information of the target QoS flow and preset frame routing information. For the dynamic PDR, the preset frame routing information is null before binding with the dedicated UE, that is, the frame routing information of the rule information corresponding to the target dynamic PDR before updating is null. Thus, the SMF network element can directly add the IP address of the target UE to the frame route information of the PDI of the target dynamic PDR, so as to finish updating the target dynamic PDR.

In other words, the updated frame routing information of the PDI of the target dynamic PDR includes the IP address of the target UE. And the UPF network element routes the downlink data packet of the target UE to the airborne CPE through the target QoS flow corresponding to the target UE according to the IP address of the target UE.

Thus, the UPF network element can accurately route when receiving the downlink data packet of the target UE, and the dedicated communication service of the target UE is efficiently realized.

In one embodiment, an alternative example of a data packet communication method is provided, as shown in fig. 7, comprising the steps of:

The SMF network element establishes a PDU session for the on-board CPE.

The PDU session includes a default QoS flow for traffic access by default user UE and at least one dedicated QOS flow for traffic access by dedicated user UE.

The SMF network element generates a static PDR.

The PDI of the static PDR comprises identification information of default QOS flow and frame routing information of on-board CPE obtained from a UDM network element or DN-AAA server.

The SMF network element simultaneously generates a dynamic PDR.

The PDI of the dynamic PDR comprises identification information of exclusive QOS flow and frame routing information of the empty airborne CPE.

The SMF network element transmits the static PDR and the dynamic PDR of the on-board CPE to the UPF network element through the PFCP protocol.

And under the condition that the target UE initiates a service request and passes user authentication, the exclusive communication service subscription of the target UE is completed.

The ATG service system sends QoS parameter requirements of the target UE to the PCF network element.

The SMF network element obtains QoS parameter requirements of the target UE from the PCF network element or the ATG service system, maps the QoS parameter requirements of the target UE to the target QoS flow, finds a matched target dynamic PDR according to the identification information of the target QoS flow, adds the IP address of the target UE to the frame routing information of the PDI of the target dynamic PDR, and sends session update to the UPF network element through the PFCP protocol.

When the downlink data packet of the target UE reaches the UPF network element, the UPF network element detects the downlink data packet of the target UE according to the IP address of the target UE in the frame routing information of the PDI of the target dynamic PDR and maps the downlink data packet to the target QoS flow. And the UPF network element performs accurate QoS control and route forwarding on the downlink data packet of the target UE to the on-board CPE according to the frame route information of the PDI of the target dynamic PDR.

The specific process of the above steps may refer to the description of the above method embodiments, and its implementation principle and technical effects are similar, and are not repeated herein.

It should be understood that, although the steps in the flowcharts related to the above embodiments are sequentially shown as indicated by arrows, these steps are not necessarily sequentially performed in the order indicated by the arrows. The steps are not strictly limited to the order of execution unless explicitly recited herein, and the steps may be executed in other orders. Moreover, at least some of the steps in the flowcharts described in the above embodiments may include a plurality of steps or a plurality of stages, which are not necessarily performed at the same time, but may be performed at different times, and the order of the steps or stages is not necessarily performed sequentially, but may be performed alternately or alternately with at least some of the other steps or stages.

Based on the same inventive concept, the embodiment of the application also provides a data packet communication device for realizing the above related data packet communication method. The implementation of the solution provided by the device is similar to the implementation described in the above method, so the specific limitation of one or more embodiments of the packet communication device provided below may refer to the limitation of the packet communication method hereinabove, and will not be repeated herein.

In one embodiment, as shown in fig. 8, there is provided a data packet communication apparatus 800, including an acquisition module 10, a determination module 20, and a transmission module 30, wherein:

And the acquiring module 10 is configured to acquire the QoS parameter requirement of the target UE in the case that the target UE passes the user authentication.

Wherein the target UE communicates based on the on-board CPE.

The determining module 20 is configured to determine a target dynamic PDR from at least one dynamic PDR corresponding to the on-board CPE according to QoS parameter requirements of the target UE.

And the sending module 30 is configured to update the target dynamic PDR according to the IP address of the target UE, and send the updated target dynamic PDR to the UPF network element, so that the UPF network element routes the downlink data packet of the target UE to the on-board CPE based on the updated target dynamic PDR.

In one embodiment, on the basis of fig. 8, as shown in fig. 9, the determining module 20 may include:

The QoS flow determining unit 21 is configured to determine, from at least one QoS flow corresponding to the on-board CPE, a target QoS flow that meets the QoS parameter requirement of the target UE.

The PDR determining unit 22 is configured to determine, according to the identification information of the target QoS flow, a target dynamic PDR from at least one dynamic PDR corresponding to the on-board CPE.

In one embodiment, on the basis of fig. 8, as shown in fig. 10, the transmitting module 30 may include:

and the updating unit 31 is configured to add the IP address of the target UE to the frame routing information of the rule information corresponding to the target dynamic PDR, so as to obtain the updated target dynamic PDR.

Wherein, the frame route information of the rule information corresponding to the target dynamic PDR before updating is null.

And the sending unit 32 is configured to send a protocol data unit PDU session message of the on-board CPE to the UPF network element through the PFCP protocol.

The PDU session message carries the updated target dynamic PDR.

In one embodiment, as shown in fig. 11, on the basis of fig. 8, the packet communication device 800 may further include:

a session establishment module 40, configured to establish a PDU session of the on-board CPE.

Wherein the PDU session includes at least one dedicated QoS flow, and the PDU session further includes a default QoS flow.

The PDR generating module 50 is configured to generate a dynamic PDR and a static PDR corresponding to the on-board CPE.

The rule information corresponding to the dynamic PDR comprises identification information of the exclusive QoS flow and empty frame routing information; the rule information corresponding to the static PDR includes identification information of the default QoS flow and frame routing information of the on-board CPE.

The PDR sending module 60 is configured to send the dynamic PDR and the static PDR to the UPF network element through PFCP protocol.

In one embodiment, as shown in fig. 12, there is provided a packet communication apparatus 1200, including a receiving module 10 and a routing module 20, wherein:

And the receiving module 10 is used for receiving the updated target dynamic PDR corresponding to the target UE sent by the SMF network element.

The updated target dynamic PDR is obtained by updating the target dynamic PDR by the SMF network element according to the IP address of the target UE, and the target dynamic PDR before updating is determined from at least one dynamic PDR corresponding to the on-board CPE according to the QoS parameter requirement of the target UE and the QoS parameter requirement of the target UE obtained by the SMF network element under the condition that the target UE passes user authentication.

The routing module 20 is configured to receive the downlink data packet of the target UE, and route the downlink data packet of the target UE to the on-board CPE according to the updated target dynamic PDR.

Wherein the target UE communicates based on the on-board CPE.

In one embodiment, the routing module 20 may include:

And the routing unit is used for routing the downlink data packet of the target UE to the airborne CPE according to the updated frame routing information of the rule information corresponding to the target dynamic PDR.

The updated frame route information of the rule information corresponding to the target dynamic PDR comprises the IP address of the target UE.

The respective modules in the above-described packet communication device may be implemented in whole or in part by software, hardware, and a combination thereof. The above modules may be embedded in hardware or may be independent of a processor in the computer device, or may be stored in software in a memory in the computer device, so that the processor may call and execute operations corresponding to the above modules.

In one embodiment, a communication device is provided that includes a transmitter, a receiver, a processor, and a memory storing a computer program. Wherein the processor of the communication device is adapted to provide computing and control capabilities, the steps of the above-described method embodiments being implemented when the processor executes a computer program. The memory of the communication device includes a non-volatile storage medium and an internal memory. The non-volatile storage medium stores an operating system, computer programs, and a database. The internal memory provides an environment for the operation of the operating system and computer programs in the non-volatile storage media. The network interface of the communication device is used for communicating with an external terminal through a network connection.

In one embodiment, there is provided a communication device comprising: a transmitter, a receiver, a processor and a memory, the memory storing a computer program; the receiver is used for acquiring QoS parameter requirements of the target UE under the condition that the target UE passes user authentication; the target UE communicates based on the airborne CPE; the processor is used for determining a target dynamic PDR from at least one dynamic PDR corresponding to the on-board CPE according to QoS parameter requirements of the target UE, and updating the target dynamic PDR according to the IP address of the target UE; the transmitter is configured to send the updated target dynamic PDR to the UPF network element, so that the UPF network element routes the downlink data packet of the target UE to the on-board CPE based on the updated target dynamic PDR.

In one embodiment, there is provided a communication device comprising: a transmitter, a receiver, a processor and a memory, the memory storing a computer program; the receiver is used for receiving the updated target dynamic PDR corresponding to the target UE sent by the SMF network element and receiving the downlink data packet of the target UE; the updated target dynamic PDR is obtained by updating the target dynamic PDR by the SMF network element according to the IP address of the target UE, and the target dynamic PDR before updating is determined from at least one dynamic PDR corresponding to the on-board CPE according to the QoS parameter requirement of the target UE and the QoS parameter requirement of the target UE obtained by the SMF network element under the condition that the target UE passes user authentication; the transmitter is used for routing the downlink data packet of the target UE to the airborne CPE according to the updated target dynamic PDR; wherein the target UE communicates based on the on-board CPE.

In one embodiment, a computer device is provided that includes a memory having a computer program stored therein and a processor that when executing the computer program performs the steps of the above-described data packet communication method.

In one embodiment, a computer readable storage medium is provided having a computer program stored thereon which, when executed by a processor, implements the steps of the above-described data packet communication method.

In one embodiment, a computer program product is provided comprising a computer program which, when executed by a processor, implements the steps of the above described data packet communication method.

Those skilled in the art will appreciate that implementing all or part of the above-described methods in accordance with the embodiments may be accomplished by way of a computer program stored on a non-transitory computer readable storage medium, which when executed may comprise the steps of the embodiments of the methods described above. Any reference to memory, database, or other medium used in embodiments provided herein may include at least one of non-volatile and volatile memory. The nonvolatile Memory may include Read-Only Memory (ROM), magnetic tape, floppy disk, flash Memory, optical Memory, high density embedded nonvolatile Memory, resistive random access Memory (ReRAM), magneto-resistive random access Memory (Magnetoresistive Random Access Memory, MRAM), ferroelectric Memory (Ferroelectric Random Access Memory, FRAM), phase change Memory (PHASE CHANGE Memory, PCM), graphene Memory, and the like. Volatile memory can include random access memory (Random Access Memory, RAM) or external cache memory, and the like. By way of illustration, and not limitation, RAM can be in various forms such as static random access memory (Static Random Access Memory, SRAM) or dynamic random access memory (Dynamic Random Access Memory, DRAM), etc. The databases referred to in the embodiments provided herein may include at least one of a relational database and a non-relational database. The non-relational database may include, but is not limited to, a blockchain-based distributed database, and the like. The processor referred to in the embodiments provided in the present application may be a general-purpose processor, a central processing unit, a graphics processor, a digital signal processor, a programmable logic unit, a data processing logic unit based on quantum computing, or the like, but is not limited thereto.

The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The foregoing examples illustrate only a few embodiments of the application, which are described in detail and are not to be construed as limiting the scope of the application. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application. Accordingly, the scope of the application should be assessed as that of the appended claims.

Claims (14)

1. A method of packet communication, applied to a session management function, SMF, network element, the method comprising:

Under the condition that target User Equipment (UE) passes user authentication, acquiring the QoS parameter requirement of the target UE; the target UE communicates based on an on-board customer premise equipment CPE;

Determining a target dynamic PDR from at least one dynamic data packet detection rule PDR corresponding to the on-board CPE according to QoS parameter requirements of the target UE;

And updating the target dynamic PDR according to the Internet protocol IP address of the target UE, and sending the updated target dynamic PDR to a user plane function UPF network element so that the UPF network element routes the downlink data packet of the target UE to the on-board CPE based on the updated target dynamic PDR.

2. The method according to claim 1, wherein determining the target dynamic PDR from at least one dynamic packet detection rule PDR corresponding to the on-board CPE according to the QoS parameter requirement of the target UE comprises:

Determining a target QoS flow meeting the QoS parameter requirement of the target UE from at least one QoS flow corresponding to the on-board CPE;

and determining a target dynamic PDR from at least one dynamic PDR corresponding to the airborne CPE according to the identification information of the target QoS flow.

3. The method of claim 1, wherein the updating the target dynamic PDR based on the internet protocol, IP, address of the target UE comprises:

adding the IP address of the target UE to frame routing information of rule information corresponding to the target dynamic PDR to obtain updated target dynamic PDR; wherein, the frame route information of the rule information corresponding to the target dynamic PDR before updating is null.

4. A method according to claim 3, wherein said sending the updated target dynamic PDR to the user plane function UPF network element comprises:

Transmitting a protocol data unit PDU session message of the airborne CPE to a UPF network element through a message forwarding control PFCP protocol; the PDU session message carries the updated target dynamic PDR.

5. The method according to any of claims 1-4, wherein prior to the obtaining the quality of service, qoS, parameter requirements of the target UE, the method further comprises:

Generating a dynamic PDR corresponding to the airborne CPE; the rule information corresponding to the dynamic PDR comprises identification information of an exclusive QoS flow and empty frame routing information;

and sending the dynamic PDR to a UPF network element through a PFCP protocol.

6. The method of claim 5, wherein prior to generating the dynamic PDR corresponding to the on-board CPE, the method further comprises:

establishing a PDU session of the airborne CPE; wherein the PDU session includes at least one dedicated QoS flow.

7. The method of claim 6, wherein the PDU session further comprises a default QoS flow, the method further comprising:

Generating a static PDR corresponding to the airborne CPE; the rule information corresponding to the static PDR comprises identification information of a default QoS flow and frame routing information of the airborne CPE;

And sending the static PDR to the UPF network element through a PFCP protocol.

8. A method of packet communication, for use with a UPF network element, the method comprising:

receiving updated target dynamic PDR corresponding to target UE sent by an SMF network element;

The updated target dynamic PDR is obtained by updating the target dynamic PDR by the SMF network element according to the IP address of the target UE, and the target dynamic PDR before updating is determined from at least one dynamic PDR corresponding to the on-board CPE according to the QoS parameter requirement of the target UE and the QoS parameter requirement of the target UE obtained by the SMF network element under the condition that the target UE passes user authentication;

Receiving a downlink data packet of the target UE, and routing the downlink data packet of the target UE to the on-board CPE according to the updated target dynamic PDR; the target UE communicates based on the on-board CPE.

9. The method of claim 8, wherein the routing the downstream data packets of the target UE to the on-board CPE according to the updated target dynamic PDR comprises:

according to the updated frame routing information of the rule information corresponding to the target dynamic PDR, the downlink data packet of the target UE is routed to the airborne CPE; and the updated frame route information of the rule information corresponding to the target dynamic PDR comprises the IP address of the target UE.

10. A data packet communication device configured in an SMF network element, the device comprising:

The acquisition module is used for acquiring QoS parameter requirements of the target UE under the condition that the target UE passes user authentication; the target UE communicates based on an airborne CPE;

The determining module is used for determining a target dynamic PDR from at least one dynamic PDR corresponding to the on-board CPE according to the QoS parameter requirement of the target UE;

And the sending module is used for updating the target dynamic PDR according to the IP address of the target UE and sending the updated target dynamic PDR to a UPF network element so that the UPF network element routes the downlink data packet of the target UE to the on-board CPE based on the updated target dynamic PDR.

11. A packet communication device configured in a UPF network element, the device comprising:

The receiving module is used for receiving updated target dynamic PDR corresponding to the target UE sent by the SMF network element;

The updated target dynamic PDR is obtained by updating the target dynamic PDR by the SMF network element according to the IP address of the target UE, and the target dynamic PDR before updating is determined from at least one dynamic PDR corresponding to the on-board CPE according to the QoS parameter requirement of the target UE and the QoS parameter requirement of the target UE obtained by the SMF network element under the condition that the target UE passes user authentication;

the routing module is used for receiving the downlink data packet of the target UE and routing the downlink data packet of the target UE to the on-board CPE according to the updated target dynamic PDR; the target UE communicates based on the on-board CPE.

12. A communication device, comprising: a transmitter, a receiver, a processor and a memory, the memory storing a computer program;

the receiver is used for acquiring QoS parameter requirements of the target UE under the condition that the target UE passes user authentication; the target UE communicates based on an airborne CPE;

The processor is used for determining a target dynamic PDR from at least one dynamic PDR corresponding to the on-board CPE according to QoS parameter requirements of the target UE, and updating the target dynamic PDR according to the IP address of the target UE;

The transmitter is configured to send the updated target dynamic PDR to a UPF network element, so that the UPF network element routes the downlink data packet of the target UE to the on-board CPE based on the updated target dynamic PDR.

13. A communication device, comprising: a transmitter, a receiver, a processor and a memory, the memory storing a computer program;

The receiver is used for receiving updated target dynamic PDR corresponding to target UE sent by the SMF network element and receiving downlink data packets of the target UE;

The updated target dynamic PDR is obtained by updating the target dynamic PDR by the SMF network element according to the IP address of the target UE, and the target dynamic PDR before updating is determined from at least one dynamic PDR corresponding to the on-board CPE according to the QoS parameter requirement of the target UE and the QoS parameter requirement of the target UE obtained by the SMF network element under the condition that the target UE passes user authentication;

the transmitter is configured to route a downlink packet of the target UE to the on-board CPE according to the updated target dynamic PDR; the target UE communicates based on the on-board CPE.

14. A computer readable storage medium, on which a computer program is stored, characterized in that the computer program, when being executed by a processor, implements the steps of the method of any of claims 1-9.