WO2019214089A1 - 一种绑定数据流的方法及装置、计算机存储介质 - Google Patents

一种绑定数据流的方法及装置、计算机存储介质 Download PDF

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Publication number
WO2019214089A1
WO2019214089A1 PCT/CN2018/097796 CN2018097796W WO2019214089A1 WO 2019214089 A1 WO2019214089 A1 WO 2019214089A1 CN 2018097796 W CN2018097796 W CN 2018097796W WO 2019214089 A1 WO2019214089 A1 WO 2019214089A1
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Prior art keywords
network element
request message
core network
indication information
access network
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PCT/CN2018/097796
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English (en)
French (fr)
Inventor
刘建华
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Oppo广东移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to CN201880068604.6A priority Critical patent/CN111247837B/zh
Priority to PCT/CN2018/100536 priority patent/WO2019214105A1/zh
Priority to TW108115954A priority patent/TW201947985A/zh
Publication of WO2019214089A1 publication Critical patent/WO2019214089A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W28/00Network traffic management; Network resource management
    • H04W28/16Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H04W28/24Negotiating SLA [Service Level Agreement]; Negotiating QoS [Quality of Service]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W48/00Access restriction; Network selection; Access point selection

Definitions

  • the present application relates to the field of wireless communications technologies, and in particular, to a method and apparatus for binding a data stream, and a computer storage medium.
  • FIG. 1 is a conventional networking mode, in which a path of a user plane is indicated by a solid line, and a path of a control plane is indicated by a dotted line.
  • a terminal UE, User Equipment
  • the NR base station (RAN node-1) and the UE bear the air interface bearer, and the other part of the data stream carries the air interface bearer between the LTE base station (RAN node-2) and the UE.
  • RAN node-1 New Radio
  • LTE Long Term Evolution
  • the NR base station or the LTE base station serves as an anchor point of the control plane, and performs a letter with the core network side receiving core access and mobility management (AMF, Core Access and Mobility Management Function) and session management function (SMF). Let the interaction complete the operations of establishing/modifying/deleting the PDU session.
  • AMF Core Access and Mobility Management Function
  • SMF session management function
  • the anchor point on the RAN side only determines the air traffic carried by the NR according to the quality of the air interface channel and the quality of service (QoS), and which data flows are carried by the air interface corresponding to the LTE. Poor control.
  • QoS quality of service
  • the embodiment of the present application provides a method and device for binding a data stream, and a computer storage medium.
  • the first access network network element binds each data stream and/or session and/or at least one tunnel to be established or to be modified to a radio bearer under the corresponding RAT according to the setup request message or the modify request message.
  • the at least one tunnel is used to transmit data between the core network and the access network.
  • the setup request message or the modify request message includes first indication information, where the first indication information includes data flow indication information and RAT indication information corresponding to a data flow to be established or to be modified.
  • the first indication information further includes indication information of whether the data flow to be established or to be modified is offloaded, and/or indication information of whether the uplink and downlink transmissions correspond to the same RAT;
  • one data stream corresponds to one RAT indication information or multiple RAT indication information.
  • each RAT indication information of the multiple RAT indication information corresponds to one priority information.
  • the setup request message or the modify request message includes second indication information, where the second indication information includes data flow indication information corresponding to the data flow to be established or to be modified;
  • the first access network element side stores the first configuration information, where the first configuration information includes different RAT indication information corresponding to the data flow indication information range.
  • the first access network element binds each data stream and/or session to be established or to be modified to a radio bearer under the corresponding RAT according to the setup request message or the modify request message.
  • Determining, by the first access network element, the RAT corresponding to each data flow to be established or to be modified, according to the second indication information and the first configuration information, and the data to be established or to be modified The flow and/or session is bound to a radio bearer under the corresponding RAT.
  • the first configuration information is statically configured on the network element side of the first access network, or the first configuration information is sent by the core network side or the network management side to the first access network.
  • Network element In an embodiment, the first configuration information is statically configured on the network element side of the first access network, or the first configuration information is sent by the core network side or the network management side to the first access network. Network element.
  • the second indication information is generated by the first core network element based on a binding policy, where the binding policy includes at least one of the following: each attribute information of the data stream, a PDU session, and a RAT. Corresponding relationship, whether to support the indication information for triggering the multi-connection function, and whether to trigger the multi-connection indication information, wherein the attribute information includes at least one of the following: the packet characteristic information, the Application id.
  • the binding policy is stored in the subscription information, and when the terminal performs registration or PDU session establishment, the first core network element receives the subscription information, and obtains the subscription information from the subscription information. Binding strategy.
  • the RAT corresponding to the DNN and/or the S-NSSAI is configured in the subscription information, so that the first core network element is determined to be established based on the DNN and/or S-NSSAI according to the subscription information.
  • the RAT corresponding to the modified PDU session, the setup request message or the modification request message sent by the first core network element to the first access network network element carries third indication information, where the third indication information is used Indicates the RAT corresponding to the PDU session.
  • the binding operation of the data flow to be established or to be modified and the radio bearer in the corresponding RAT is triggered by: sending, by the second core network element, the first core network element First request message.
  • the first request message is sent by the third-party server to the second core network element, and is forwarded by the second core network element to the first core network element.
  • the method further includes:
  • the second request message includes a binding policy, where the binding policy includes at least one of the following: the attribute information of the data stream, the correspondence between the PDU session and the RAT, and whether the indication information for triggering the multi-connection function is supported, Whether to trigger the indication of the multi-connection, wherein the attribute information includes at least one of the following: the packet characteristic information, the Application id.
  • the multiple connections comprise at least a dual connection.
  • the method further includes:
  • the first access network element After the data network and/or the session to be established or to be modified is bound to the radio bearer in the corresponding RAT, the first access network element sends an acknowledgement message to the first core network element.
  • the method further includes:
  • the first access network element receives the fourth indication information sent by the first core network element, and determines whether to enable the dual connection function based on the fourth indication information; or
  • the first access network element When the first access network element receives the at least two pieces of tunnel information sent by the first core network element, the first access network element determines that the dual connection function is enabled.
  • the dual connectivity function is a first dual connectivity function or a second dual connectivity function
  • the first dual connectivity function means that at least one third core network element is respectively connected to the first access network element and the second access network element; the first access network element side The data is transmitted through the tunnel between the first access network element and the at least one third core network element, and the data of the second access network element side passes through the second access network element Tunneling with the at least one third core network element;
  • the second dual connectivity function means that at least one third core network element is connected to the first access network element, the first access network element and the second access network element
  • the data of the first access network element side is transmitted through the tunnel between the first access network element and the at least one third core network element, and the second access network element
  • the data of the side is forwarded to the network element of the first access network by the network element of the second access network, and is between the network element of the first access network and the network element of the at least one third core network. Tunnel transmission.
  • the terminal sends a second request message to the first core network element or the second core network element, where the second request message includes a binding policy, and the binding policy includes at least one of the following: each attribute information of the data flow. And the corresponding information of the PDU session and the RAT, the indication information for triggering the multi-connection function, and the indication information of whether to trigger the multi-connection, wherein the attribute information includes at least one of the following: the data packet feature information and the Application id.
  • the multiple connections comprise at least a dual connection.
  • the second request message includes a session establishment request message or a session modification request message.
  • the second request message sent by the terminal includes a binding relationship, where the one binding relationship is used to indicate that the data stream and/or session to be established and/or modified is bound to An access network element.
  • the terminal sends a second request message to the first core network element or the second core network element, where the second request message is sent and/or modified by the second request message when the terminal sends the second request message multiple times.
  • Streams and/or sessions need to be bound to different access network elements for transmission.
  • a receiving unit configured to receive an establishment request message or a modification request message of a data flow in a PDU session sent by the first core network element
  • a binding unit configured to bind each data stream and/or session and/or at least one tunnel to be established or to be modified to a radio bearer under a corresponding RAT according to the setup request message or the modify request message, where The at least one tunnel is used to transmit data between the core network and the access network.
  • the setup request message or the modify request message includes first indication information, where the first indication information includes data flow indication information and RAT indication information corresponding to a data flow to be established or to be modified.
  • the first indication information further includes indication information of whether the data flow to be established or to be modified is offloaded, and/or indication information of whether the uplink and downlink transmissions correspond to the same RAT;
  • one data stream corresponds to one RAT indication information or multiple RAT indication information.
  • each RAT indication information of the multiple RAT indication information corresponds to one priority information.
  • the setup request message or the modify request message includes second indication information, where the second indication information includes data flow indication information corresponding to the data flow to be established or to be modified;
  • the device further includes: a storage unit, configured to store first configuration information, where the first configuration information includes RAT indication information corresponding to different data flow indication information ranges.
  • the binding unit is configured to determine, according to the second indication information and the first configuration information, a RAT corresponding to each data flow to be established or to be modified, and each of the to-be-established Or the data stream and/or session to be modified is bound to the radio bearer under the corresponding RAT.
  • the first configuration information is statically configured on the network element side of the first access network, or the first configuration information is sent by the core network side or the network management side to the first access network.
  • Network element In an embodiment, the first configuration information is statically configured on the network element side of the first access network, or the first configuration information is sent by the core network side or the network management side to the first access network. Network element.
  • the second indication information is generated by the first core network element based on a binding policy, where the binding policy includes at least one of the following: each attribute information of the data stream, a PDU session, and a RAT. Corresponding relationship, whether to support the indication information for triggering the multi-connection function, and whether to trigger the multi-connection indication information, wherein the attribute information includes at least one of the following: the packet characteristic information, the Application id.
  • the binding policy is stored in the subscription information, and when the terminal performs registration or PDU session establishment, the first core network element receives the subscription information, and obtains the subscription information from the subscription information. Binding strategy.
  • the RAT corresponding to the DNN and/or the S-NSSAI is configured in the subscription information, so that the first core network element is determined to be established based on the DNN and/or S-NSSAI according to the subscription information.
  • the RAT corresponding to the modified PDU session, the setup request message or the modification request message sent by the first core network element to the first access network network element carries third indication information, where the third indication information is used Indicates the RAT corresponding to the PDU session.
  • the binding operation of the data flow to be established or to be modified and the radio bearer in the corresponding RAT is triggered by: sending, by the second core network element, the first core network element First request message.
  • the first request message is sent by the third-party server to the second core network element, and is forwarded by the second core network element to the first core network element.
  • the terminal sends a second request message to the first core network element or the second core network element; and/or the third party server sends a second request message to the first core network element.
  • the second request message includes a binding policy, where the binding policy includes at least one of the following: each attribute information of the data stream, a correspondence between the PDU session and the RAT, and whether the triggering is supported.
  • the indication information of the connection function whether to trigger the indication of the multi-connection, wherein the attribute information includes at least one of the following: the packet characteristic information, the Application id.
  • the multiple connections comprise at least a dual connection.
  • the device further includes:
  • a sending unit configured to send an acknowledgement message to the first core network element.
  • the receiving unit is further configured to receive fourth indication information sent by the first core network element, and determine, according to the fourth indication information, whether to enable a dual connectivity function; or In the case of at least two tunnel information sent by a core network element, it is determined that the dual connectivity function is enabled.
  • the dual connectivity function is a first dual connectivity function or a second dual connectivity function
  • the first dual connectivity function means that at least one third core network element is respectively connected to the first access network element and the second access network element; the first access network element side The data is transmitted through the tunnel between the first access network element and the at least one third core network element, and the data of the second access network element side passes through the second access network element Tunneling with the at least one third core network element;
  • the second dual connectivity function means that at least one third core network element is connected to the first access network element, the first access network element and the second access network element
  • the data of the first access network element side is transmitted through the tunnel between the first access network element and the at least one third core network element, and the second access network element
  • the data of the side is forwarded to the network element of the first access network by the network element of the second access network, and is between the network element of the first access network and the network element of the at least one third core network. Tunnel transmission.
  • a sending unit configured to send a second request message to the first core network element or the second core network element, where the second request message includes a binding policy, where the binding policy includes at least one of the following: a data flow
  • the attribute information includes at least one of the following: the packet characteristic information, the Application id .
  • the multiple connections comprise at least a dual connection.
  • the second request message includes a session establishment request message or a session modification request message.
  • the second request message sent by the terminal includes a binding relationship, where the one binding relationship is used to indicate that the data stream and/or session to be established and/or modified is bound to An access network element.
  • a sending unit configured to send a second request message to the first core network element or the second core network element, where when the second request message is sent multiple times, different second request messages are established and/or The modified data stream and/or session need to be bound to different access network elements for transmission.
  • the computer storage medium provided by the embodiment of the present application has stored thereon computer executable instructions, and the computer executable instructions are implemented by the processor to implement the method for binding the data stream.
  • the first access network element receives the data flow establishment request message or the modification request message in the PDU session sent by the first core network element; the first access network element is configured according to The setup request message or the modify request message binds each data stream and/or session to be established or to be modified to a radio bearer under the corresponding RAT.
  • the control data stream is selected for the RAT, and the anchor point on the RAN side can determine, according to the indication information sent by other network elements, how each data flow (that is, QoS flow) in the PDU session is mapped to the air interface.
  • DRB bearer
  • Figure 1 is an existing networking mode
  • FIG. 2 is a schematic flowchart 1 of a method for binding a data stream according to an embodiment of the present application
  • FIG. 3 is a schematic diagram of a correspondence situation of a binding data flow according to an embodiment of the present application.
  • FIG. 4 is a schematic diagram of a second case of binding data flow according to an embodiment of the present application.
  • FIG. 5( a) is a schematic diagram 1 of a DC architecture according to an embodiment of the present application.
  • FIG. 5(b) is a second schematic diagram of a DC architecture according to an embodiment of the present application.
  • FIG. 6 is a second schematic flowchart of a method for binding a data stream according to an embodiment of the present application.
  • FIG. 7 is a schematic flowchart 3 of a method for binding a data stream according to an embodiment of the present application.
  • FIG. 8 is a first schematic structural diagram of an apparatus for binding a data stream according to an embodiment of the present application.
  • FIG. 9 is a schematic structural diagram of a device for binding a data stream according to an embodiment of the present application.
  • FIG. 10 is a schematic structural diagram of a computer device according to an embodiment of the present application.
  • FIG. 2 is a schematic flowchart 1 of a method for binding a data stream according to an embodiment of the present application. As shown in FIG. 2, the method for binding a data stream includes the following steps:
  • Step 201 The first access network element receives the establishment request message or the modification request message of the data flow in the PDU session sent by the first core network element.
  • the first access network element is an anchor point on the RAN side, such as the NR base station or the LTE base station in FIG. 1 .
  • the first core network element is SMF.
  • the second core network element involved in the following is PCF.
  • the RAN side selects to establish a radio bearer under a specific RAT according to the establishment/modification request message of the data stream in the PDU session sent by the core network side.
  • Step 202 The first access network network element binds each data stream and/or session to be established or to be modified and/or at least one tunnel to the corresponding RAT according to the establishment request message or the modification request message.
  • the at least one tunnel is used to transmit data between the core network and the access network.
  • the first access network element binds each data stream and/or session to be established or to be modified to the radio bearer in the corresponding RAT according to the setup request message or the modify request message.
  • each data stream and/or session to be established or to be modified to the radio bearer in the corresponding RAT according to the setup request message or the modify request message.
  • the setup request message or the modify request message includes first indication information, where the first indication information includes data flow indication information and RAT indication information corresponding to a data flow to be established or to be modified. Further, the first indication information further includes indication information of whether the data flow to be established or to be modified is offloaded, and/or indication information of whether the uplink and downlink transmissions correspond to the same RAT. The indication information of whether the offloading is used to indicate whether the data stream is transmitted under multiple RATs.
  • the indication of the indication information of the data stream offloading corresponds to the NR base station on the RAN side, and the part corresponds to the LTE base station.
  • one data stream corresponds to one RAT indication information or multiple RAT indication information.
  • each RAT indication information of the multiple RAT indication information corresponds to one priority information.
  • the SMF sends first indication information to the RAN side, where the first indication information includes a list of data flows to be established/modified and a corresponding RAT.
  • the RAN side binds the data stream or the entire PDU session to the radio bearers under different RATs according to the first indication information sent by the SMF.
  • the RAT may be of the following access types: NR access, LTE access, WLAN access, 3GPP access, non-3GPP access, satellite access, and the like.
  • the first indication information is exemplified by Table 1 below, wherein the QFI value represents data flow indication information, and the RAT selection represents RAT indication information.
  • the first indication information further includes indication information of whether the data flow to be established or to be modified is offloaded, and/or indication information of whether the uplink and downlink transmissions correspond to the same RAT, as shown in Table 1, whether the split bearer indicates whether the traffic is offloaded. Indicates whether the uplink and downlink are the same RAT indicating whether the uplink and downlink transmissions correspond to the indication information of the same RAT.
  • whether to perform the Split bearer means that all the downlink data flows are sent to the anchor point on the RAN side, and then the anchor points on the RAN side are respectively forwarded to the designated RAT.
  • the anchor point on the RAN side is an NR base station, and the data stream needs to be carried on the bearer of the LTE air interface.
  • the Split bearer is performed, the data stream of the core network is sent to the NR base station, and then the NR base station transmits the data that needs to be transmitted on the LTE.
  • the flow is forwarded to the LTE base station; otherwise, if the split bearer is not performed, the core network directly sends the data stream to the LTE base station without forwarding through the NR base station.
  • the setup request message or the modify request message includes second indication information, where the second indication information includes data flow indication information corresponding to a data flow to be established or to be modified; the first access The network element side stores first configuration information, where the first configuration information includes RAT indication information corresponding to different data flow indication information ranges.
  • the first access network element determines, according to the second indication information and the first configuration information, a RAT corresponding to each data flow to be established or to be modified, and the each to be established or The data stream and/or session to be modified is bound to the radio bearer under the corresponding RAT.
  • the first configuration information is statically configured on the network element side of the first access network, or the first configuration information is sent by the core network side or the network management side to the first access network.
  • Network element In an embodiment, the first configuration information is statically configured on the network element side of the first access network, or the first configuration information is sent by the core network side or the network management side to the first access network. Network element.
  • the second indication information is generated by the first core network element based on a binding policy, where the binding policy includes at least one of the following: each attribute information of the data stream, a PDU session, and a RAT. Corresponding relationship, whether to support the indication information for triggering the multi-connection function, and whether to trigger the multi-connection indication information, wherein the attribute information includes at least one of the following: the packet characteristic information, the Application id. Further, the binding policy is stored in the subscription information. When the terminal performs the registration or the PDU session is established, the first core network element receives the subscription information, and obtains the binding policy from the subscription information.
  • the multiple connections comprise at least a dual connection.
  • whether or not the indication information for triggering the dual connection function is supported refers to whether the terminal has the capability of dual connection.
  • the RAN side After receiving the data flow establishment/modification request sent by the SMF, the RAN side establishes radio bearers of different data flows under different RATs according to the value of the QFI and the RAT corresponding to the QFI value range.
  • the mapping between the QFI value range and the RAT is statically configured on the RAN side or previously sent by the core network/network management to the RAN, that is, the mapping relationship similar to Table 1 is pre-configured on the RAN side, and the data flow establishment of each PDU session is not required. / Make changes when making changes.
  • the value of QFI is generated by the SMF and can be generated according to the binding policy shown in Table 2.
  • the SMF/PCF network element triggers to establish radio bearers of different data flows under different RATs according to the binding policy as shown in Table 2 when the trigger condition is met.
  • the data packet feature information includes one or more of the following: a URL, an SNI (Server Name Indicator), an IP source address, an IP source port number, an IP destination address, an IP destination port number, a MAC source address, an IP source port number, MAC destination address, MAC destination port number, protocol type, and VLAN tag. All the information on the left side in Table 2 (the attribute information of the data flow in the embodiment of the present application) will eventually correspond to one data stream, and each data stream has its own QFI (QoS Flow Id).
  • QFI QoS Flow Id
  • Case 3 configuring a RAT corresponding to the DNN and/or the S-NSSAI in the subscription information, so that the first core network element determines, according to the subscription information, a PDU established or modified based on the DNN and/or the S-NSSAI.
  • the RAT corresponding to the session, the setup request message or the modify request message sent by the first core network element to the first access network network element carries the third indication information, where the third indication information is used to indicate the The RAT corresponding to the PDU session.
  • the RAT type corresponding to the DNN and/or the S-NSSAI is configured in the subscription information, and the PDU session established/modified according to the DNN and/or the S-NSSAI on the subsequent SMF can only select the specified RAT type, including NR and LTE.
  • NR, LTE, etc. when the SMF establishes/modifies a PDU session request, it only carries the RAT type corresponding to the PDU session.
  • the binding operation of the data flow to be established or to be modified and the radio bearer in the corresponding RAT is triggered by: sending, by the second core network element, the first core network element First request message. Further, the first request message is sent by the third-party server to the second core network element, and is forwarded by the second core network element to the first core network element.
  • the first core network element or the second core network element may obtain the binding policy by: sending, by the terminal, the second request message to the first core network element or the second core network element; and Or the third-party server sends the second request message to the first core network element or the second core network element, where the second request message includes a binding policy, and the binding policy includes at least one of the following: The attribute information of the data stream, the correspondence between the PDU session and the RAT, the indication information of whether the multi-connection function is triggered, and the indication information of whether the multi-connection is triggered, wherein the attribute information includes at least one of the following: data packet characteristic information, Application id.
  • the multiple connections comprise at least a dual connection.
  • whether or not the indication information for triggering the dual connection function is supported refers to whether the terminal has the capability of dual connection.
  • the binding policy may be stored in the subscription information, and sent to the core network element (such as SMF) when the UE performs registration or PDU session establishment.
  • the core network element such as SMF
  • the UE sends a request data flow binding message to the PCF/SMF through the NAS message and/or the third party OTT server sends a request data flow binding message to the PCF/SMF, where the request data flow binding message includes the following table 2 Binding strategy.
  • the first access network element is bound to the radio bearer in the corresponding RAT after the data stream and/or the session to be established or to be modified is bound to the first core network.
  • the element sends a confirmation message.
  • the first access network element receives the fourth indication information sent by the first core network element, and determines whether to enable the dual connection function based on the fourth indication information. If the first access network element receives the at least two pieces of tunnel information sent by the first core network element, the first access network element determines to enable the dual connection function. (The implicit way to determine whether to enable dual connectivity).
  • the dual connectivity function is a first dual connectivity function or a second dual connectivity function;
  • the first dual connectivity function means that at least one third core network element is respectively connected to the first access network element and the second access network element; the first access network element side The data is transmitted through the tunnel between the first access network element and the at least one third core network element, and the data of the second access network element side passes through the second access network element Tunneling with the at least one third core network element;
  • the second dual connectivity function means that at least one third core network element is connected to the first access network element, the first access network element and the second access network element
  • the data of the first access network element side is transmitted through the tunnel between the first access network element and the at least one third core network element, and the second access network element
  • the data of the side is forwarded to the network element of the first access network by the network element of the second access network, and is between the network element of the first access network and the network element of the at least one third core network. Tunnel transmission.
  • a core network element may provide one or more core tunnel information (CN Tunnel Info), that is, N3Tunnel information, to an access network element.
  • CN Tunnel Info core tunnel information
  • the N3Tunnel information is directed to the N3Tunnel address.
  • one RAT corresponding to each CN Tunnel Info that is, the data transmitted by the tunnel indicated by the CN Tunnel Info is transmitted through a specific RAT radio access.
  • the core network indicates to the access network whether to trigger the dual connectivity (DC, Dual Connectivity) function, including the following two DC forms:
  • DC-1 Referring to FIG. 5(a), one or more UPFs are connected to RAN Node-1 and RAN Node-2, respectively.
  • DC-2 Referring to FIG. 5(b), one or more UPFs are only connected to the RAN Node-1, and the data through the RAN Node-2 is provided by the RAN Node-1 via the Xn interface.
  • FIG. 6 is a schematic flowchart 2 of a method for binding a data flow according to an embodiment of the present disclosure. As shown in FIG. 6 , the method for binding a data flow includes the following steps:
  • Step 601 The UE sends a PDU session establishment/modification request message to the SMF/UPF.
  • the PDU session establishment/modification request message is added with the packet feature description information/Application id and the corresponding RAT selection (similar to Table 2). Binding strategy).
  • Step 602 2a.
  • the PCF may configure the binding policy shown in Table 2; and/or, the 2b.SMF interacts with the UDM, and obtains the RAT selection policy corresponding to the DNN/NSSAI through the subscription information.
  • Step 603 The SMF triggers a PDU session establishment/modification request.
  • the PDU selection request (ie, the binding policy) is carried in the PDU session establishment/modification request message in step 401, the request is immediately started.
  • the SMF triggers the request according to the binding policy or the RAT selection policy configured in step 602.
  • the SMF adds the indication information shown in Table 1 to the request message sent to the RAN side; or determines the value of the QFI according to the static configuration rule and then sends it to the RAN side.
  • Step 604 The RAN performs establishment of the radio bearer according to the RAT indication parameter or the QFI value.
  • Step 605 The RAN sends a reply message to the SMF/UPF.
  • FIG. 7 is a schematic flowchart 3 of a method for binding a data stream according to an embodiment of the present disclosure. As shown in FIG. 7, the method for binding a data stream includes the following steps:
  • Step 701 The terminal sends a second request message to the first core network element or the second core network element, where the second request message includes a binding policy, where the binding policy includes at least one of the following: The attribute information, the correspondence between the PDU session and the RAT, the indication information for triggering the multi-connection function, and the indication information of whether to trigger the multi-connection, wherein the attribute information includes at least one of the following: the packet characteristic information and the Application id.
  • the multiple connections comprise at least a dual connection.
  • the second request message includes a session establishment request message or a session modification request message.
  • the second request message sent by the terminal includes a binding relationship, where the one binding relationship is used to indicate that the data stream and/or session to be established and/or modified is bound to An access network element.
  • the data flow established by the terminal in the first session is all transmitted through the RAT-1, and when the terminal initiates the second second request message, all the newly established data streams are transmitted through the RAT-2.
  • the above manner is the data flow indicated by the terminal through the second request message indicating that the data flow needs to be established and/or modified, and/or which access network element the session should be bound to.
  • the terminal may also determine, in an implicit manner, which data network and/or the data stream that needs to be established and/or modified should be bound to which access network element, specifically, the terminal sends a second request message to the first a core network element or a second core network element, wherein when the terminal sends the second request message multiple times, the data flow and/or the session established and/or modified by the different second request message are bound Transfer to different access network elements.
  • the terminal sends the second request message for the first time, and the data stream and/or the session that is established and/or modified is bound to the RAT-1 for transmission; the terminal sends the second request message for the second time, this time establishes and/or Or the modified data stream and/or session is bound to RAT-2 for transmission.
  • FIG. 8 is a first schematic structural diagram of an apparatus for binding a data stream according to an embodiment of the present application. As shown in FIG. 8, the apparatus includes:
  • the receiving unit 801 is configured to receive a setup request message or a modify request message of a data flow in a PDU session sent by the first core network element.
  • the binding unit 802 is configured to bind each data stream and/or session and/or at least one tunnel to be established or to be modified to the radio bearer under the corresponding RAT according to the setup request message or the modify request message.
  • the at least one tunnel is used to transmit data between the core network and the access network.
  • the setup request message or the modify request message includes first indication information, where the first indication information includes data flow indication information and RAT indication information corresponding to a data flow to be established or to be modified.
  • the first indication information further includes indication information of whether the data flow to be established or to be modified is offloaded, and/or indication information of whether the uplink and downlink transmissions correspond to the same RAT;
  • one data stream corresponds to one RAT indication information or multiple RAT indication information.
  • each RAT indication information of the multiple RAT indication information corresponds to one priority information.
  • the setup request message or the modify request message includes second indication information, where the second indication information includes data flow indication information corresponding to the data flow to be established or to be modified;
  • the device further includes: a storage unit 803, configured to store first configuration information, where the first configuration information includes RAT indication information corresponding to different data flow indication information ranges.
  • the binding unit 802 is configured to determine, according to the second indication information and the first configuration information, a RAT corresponding to each data flow to be established or to be modified, and The data stream and/or session established or to be modified is bound to the radio bearer under the corresponding RAT.
  • the first configuration information is statically configured on the network element side of the first access network, or the first configuration information is sent by the core network side or the network management side to the first access network.
  • Network element In an embodiment, the first configuration information is statically configured on the network element side of the first access network, or the first configuration information is sent by the core network side or the network management side to the first access network. Network element.
  • the second indication information is generated by the first core network element based on a binding policy, where the binding policy includes at least one of the following: each attribute information of the data stream, a PDU session, and a RAT. Corresponding relationship, whether to support the indication information for triggering the multi-connection function, and whether to trigger the multi-connection indication information, wherein the attribute information includes at least one of the following: the packet characteristic information, the Application id.
  • the binding policy is stored in the subscription information, and when the terminal performs registration or PDU session establishment, the first core network element receives the subscription information, and obtains the subscription information from the subscription information. Binding strategy.
  • the RAT corresponding to the DNN and/or the S-NSSAI is configured in the subscription information, so that the first core network element is determined to be established based on the DNN and/or S-NSSAI according to the subscription information.
  • the RAT corresponding to the modified PDU session, the setup request message or the modification request message sent by the first core network element to the first access network network element carries third indication information, where the third indication information is used Indicates the RAT corresponding to the PDU session.
  • the binding operation of the data flow to be established or to be modified and the radio bearer in the corresponding RAT is triggered by: sending, by the second core network element, the first core network element First request message.
  • the first request message is sent by the third-party server to the second core network element, and is forwarded by the second core network element to the first core network element.
  • the terminal sends a second request message to the first core network element or the second core network element; and/or the third party server sends a second request message to the first core network element.
  • the second request message includes a binding policy, where the binding policy includes at least one of the following: each attribute information of the data stream, a correspondence between the PDU session and the RAT, and whether the triggering is supported.
  • the indication information of the connection function whether to trigger the indication of the multi-connection, wherein the attribute information includes at least one of the following: the packet characteristic information, the Application id.
  • the multiple connections comprise at least a dual connection.
  • the device further includes:
  • the sending unit 804 is configured to send an acknowledgement message to the first core network element.
  • the receiving unit 801 is further configured to receive fourth indication information that is sent by the first core network element, and determine, according to the fourth indication information, whether to enable the dual connectivity function; or In the case of at least two tunnel information sent by the first core network element, it is determined that the dual connectivity function is enabled.
  • the dual connectivity function is a first dual connectivity function or a second dual connectivity function
  • the first dual connectivity function means that at least one third core network element is respectively connected to the first access network element and the second access network element; the first access network element side The data is transmitted through the tunnel between the first access network element and the at least one third core network element, and the data of the second access network element side passes through the second access network element Tunneling with the at least one third core network element;
  • the second dual connectivity function means that at least one third core network element is connected to the first access network element, the first access network element and the second access network element
  • the data of the first access network element side is transmitted through the tunnel between the first access network element and the at least one third core network element, and the second access network element
  • the data of the side is forwarded to the network element of the first access network by the network element of the second access network, and is between the network element of the first access network and the network element of the at least one third core network. Tunnel transmission.
  • the implementation functions of the units in the apparatus for binding data streams shown in FIG. 8 can be understood by referring to the related description of the foregoing method of binding data streams.
  • the functions of the units in the apparatus for binding data streams shown in FIG. 8 may be implemented by a program running on a processor, or may be implemented by a specific logic circuit.
  • FIG. 9 is a schematic structural diagram of a structure of an apparatus for binding a data stream according to an embodiment of the present disclosure. As shown in FIG. 9, the apparatus includes: a sending unit 901.
  • the sending unit 901 is configured to send a second request message to the first core network element or the second core network element, where the second request message includes a binding policy, and the binding
  • the policy includes at least one of the following: the attribute information of the data stream, the correspondence between the PDU session and the RAT, the indication information of whether the multi-connection function is triggered, and the indication information of whether the multi-connection is triggered, where the attribute information includes at least the following One: packet feature information, Application id.
  • the multiple connections comprise at least a dual connection.
  • the second request message includes a session establishment request message or a session modification request message.
  • the second request message sent by the terminal includes a binding relationship, where the binding relationship is used to indicate that the established and/or modified data stream and/or session is bound to an access network.
  • Network element
  • the sending unit 901 is configured to send a second request message to the first core network element or the second core network element, where when the sending the second request message multiple times, different The data stream and/or session established and/or modified by the second request message needs to be bound to different access network elements for transmission.
  • the implementation functions of the units in the apparatus for binding data streams shown in FIG. 9 can be understood by referring to the related description of the foregoing method of binding data streams.
  • the functions of the units in the apparatus for binding data streams shown in FIG. 9 may be implemented by a program running on a processor, or may be implemented by a specific logic circuit.
  • the apparatus for binding data streams described above in the embodiment of the present application may also be stored in a computer readable storage medium if it is implemented in the form of a software function module and sold or used as a stand-alone product.
  • the technical solution of the embodiments of the present application may be embodied in the form of a software product in essence or in the form of a software product stored in a storage medium, including a plurality of instructions.
  • a computer device (which may be a personal computer, server, or network device, etc.) is caused to perform all or part of the methods described in various embodiments of the present application.
  • the foregoing storage medium includes various media that can store program codes, such as a USB flash drive, a mobile hard disk, a read only memory (ROM), a magnetic disk, or an optical disk.
  • program codes such as a USB flash drive, a mobile hard disk, a read only memory (ROM), a magnetic disk, or an optical disk.
  • the embodiment of the present application further provides a computer storage medium, where the computer executable instructions are stored, and the computer executable instructions are executed by the processor to implement the foregoing method for binding data streams in the embodiments of the present application.
  • FIG. 10 is a schematic structural diagram of a computer device according to an embodiment of the present disclosure.
  • the computer device may be a terminal or a network device.
  • computer device 100 may include one or more (only one shown) processor 1002 (processor 1002 may include, but is not limited to, a Micro Controller Unit (MCU) or a programmable logic device.
  • a processing device such as an FPGA (Field Programmable Gate Array), a memory 1004 for storing data, and a transmission device 1006 for a communication function.
  • FPGA Field Programmable Gate Array
  • FIG. 10 is merely illustrative and does not limit the structure of the above electronic device.
  • computer device 100 may also include more or fewer components than shown in FIG. 10, or have a different configuration than that shown in FIG.
  • the memory 1004 can be used to store software programs and modules of application software, such as program instructions/modules corresponding to the methods in the embodiments of the present application, and the processor 1002 executes various functional applications by running software programs and modules stored in the memory 1004. And data processing, that is, to achieve the above method.
  • Memory 1004 can include high speed random access memory, and can also include non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid state memory.
  • memory 1004 can further include memory remotely located relative to processor 1002, which can be connected to computer device 100 over a network. Examples of such networks include, but are not limited to, the Internet, intranets, local area networks, mobile communication networks, and combinations thereof.
  • Transmission device 1006 is for receiving or transmitting data via a network.
  • the network specific examples described above may include a wireless network provided by a communication provider of computer device 100.
  • the transmission device 1006 includes a Network Interface Controller (NIC) that can be connected to other network devices through a base station to communicate with the Internet.
  • the transmission device 1006 can be a radio frequency (RF) module for communicating with the Internet wirelessly.
  • NIC Network Interface Controller
  • RF radio frequency
  • the disclosed method and smart device may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner such as: multiple units or components may be combined, or Can be integrated into another system, or some features can be ignored or not executed.
  • the coupling, or direct coupling, or communication connection of the components shown or discussed may be indirect coupling or communication connection through some interfaces, devices or units, and may be electrical, mechanical or other forms. of.
  • the units described above as separate components may or may not be physically separated, and the components displayed as the unit may or may not be physical units, that is, may be located in one place or distributed to multiple network units; Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one second processing unit, or each unit may be separately used as one unit, or two or more units may be integrated into one unit;
  • the above integrated unit can be implemented in the form of hardware or in the form of hardware plus software functional units.

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Abstract

一种绑定数据流的方法及装置、计算机存储介质,所述方法包括:第一接入网网元接收第一核心网网元发送的PDU会话中的数据流的建立请求消息或修改请求消息(201);所述第一接入网网元根据所述建立请求消息或修改请求消息,将各个待建立或待修改的数据流和/或会话和/或至少一个隧道绑定到对应的RAT下的无线承载中,所述至少一个隧道用于传输核心网与接入网之间的数据(202)。

Description

一种绑定数据流的方法及装置、计算机存储介质 技术领域
本申请涉及无线通信技术领域,尤其涉及一种绑定数据流的方法及装置、计算机存储介质。
背景技术
参照图1,图1是一种现有的组网模式,其中,用户面的路径通过实线表示,控制面的路径通过虚线表示,在该组网模式中,终端(UE,User Equipment)可以在同一个协议数据单元(PDU,Protocol Data Unit)会话(Session)上同时建立新空口(NR,New Radio)接入和长期演进(LTE,Long Term Evolution)接入,PDU Session的一部分数据流走NR基站(RAN node-1)与UE之间的空口承载,另一部分数据流走LTE基站(RAN node-2)与UE之间的空口承载。
其中,NR基站或LTE基站作为控制面的锚点,与核心网侧的接收核心接入和移动性管(AMF,Core Access and Mobility Management Function)和会话管理功能(SMF,Session Management Function)进行信令交互,完成PDU会话的建立/修改/删除等操作。
目前,RAN侧的锚点仅根据自身的空口信道质量、服务质量(QoS,Quality of Service)满足程度等来判断哪些数据流走NR对应的空口承载,哪些数据流走LTE对应的空口承载,可控性较差。
发明内容
本申请实施例提供了一种绑定数据流的方法及装置、计算机存储介质。
本申请实施例提供的绑定数据流的方法,包括:
第一接入网网元接收第一核心网网元发送的PDU会话中的数据流的建立请求消息或修改请求消息;
所述第一接入网网元根据所述建立请求消息或修改请求消息,将各个待建立或待修改的数据流和/或会话和/或至少一个隧道绑定到对应的RAT下的无线承载中,所述至少一个隧道用于传输核心网与接入网之间的数据。
在一实施方式中,所述建立请求消息或修改请求消息包括第一指示信息,所述第一指示信息包括待建立或待修改的数据流对应的数据流指示信息和RAT指示信息。
在一实施方式中,所述第一指示信息还包括待建立或待修改的数据流是否分流的指示信息和/或上下行传输是否对应同一个RAT的指示信息;
其中,所述是否分流的指示信息用于指示所述数据流是否在多个RAT下传输。
在一实施方式中,一个数据流对应一个RAT指示信息或者多个RAT指示信息。
在一实施方式中,一个数据流对应多个RAT指示信息时,所述多个RAT指示信息中的每个RAT指示信息对应一个优先级信息。
在一实施方式中,所述建立请求消息或修改请求消息包括第二指示信息,所述第二指示信息包括待建立或待修改的数据流对应的数据流指示信息;
所述第一接入网网元侧存储有第一配置信息,所述第一配置信息包括不同的数据流 指示信息范围对应的RAT指示信息。
在一实施方式中,所述第一接入网网元根据所述建立请求消息或修改请求消息,将各个待建立或待修改的数据流和/或会话绑定到对应的RAT下的无线承载中,包括:
所述第一接入网网元根据所述第二指示信息和所述第一配置信息,确定各个待建立或待修改的数据流对应的RAT,并将所述各个待建立或待修改的数据流和/或会话绑定到对应的RAT下的无线承载中。
在一实施方式中,所述第一配置信息为所述第一接入网网元侧静态配置的,或者所述第一配置信息由核心网侧或网管侧发送给所述第一接入网网元的。
在一实施方式中,所述第二指示信息由所述第一核心网网元基于绑定策略生成,所述绑定策略包括以下至少之一:数据流的各个属性信息、PDU会话与RAT的对应关系、是否支持触发多连接功能的指示信息、是否触发多连接的指示信息,其中,所述属性信息包括以下至少之一:数据包特征信息、Application id。
在一实施方式中,所述绑定策略存储在签约信息中,在终端执行注册或PDU会话建立时,所述第一核心网网元接收所述签约信息,从所述签约信息中获取所述绑定策略。
在一实施方式中,在签约信息中配置DNN和/或S-NSSAI对应的RAT,以使所述第一核心网网元根据所述签约信息确定基于所述DNN和/或S-NSSAI建立或修改的PDU会话对应的RAT,所述第一核心网网元向所述第一接入网网元发送的建立请求消息或修改请求消息中携带第三指示信息,所述第三指示信息用于指示所述PDU会话对应的RAT。
在一实施方式中,所述待建立或待修改的数据流与对应的RAT下的无线承载的绑定操作,通过以下方式触发:第二核心网网元向所述第一核心网网元发送第一请求消息。
在一实施方式中,所述第一请求消息由第三方服务器发送给所述第二核心网网元,由所述第二核心网网元转发给所述第一核心网网元。
在一实施方式中,所述方法还包括:
终端发送第二请求消息给所述第一核心网网元或第二核心网网元;和/或,第三方服务器发送第二请求消息给所述第一核心网网元或第二核心网网元,所述第二请求消息中包括绑定策略,所述绑定策略包括以下至少之一:数据流的各个属性信息、PDU会话与RAT的对应关系、是否支持触发多连接功能的指示信息、是否触发多连接的指示信息,其中,所述属性信息包括以下至少之一:数据包特征信息、Application id。
在一实施方式中,所述多连接至少包括双连接。
在一实施方式中,所述方法还包括:
所述第一接入网网元将各个待建立或待修改的数据流和/或会话绑定到对应的RAT下的无线承载中后,向所述第一核心网网元发送确认消息。
在一实施方式中,所述方法还包括:
所述第一接入网网元接收所述第一核心网网元发送的第四指示信息,基于所述第四指示信息确定是否开启双连接功能;或者,
所述第一接入网网元接收所述第一核心网网元发送的至少两个隧道信息的情况下,所述第一接入网网元确定开启双连接功能。
在一实施方式中,所述双连接功能为第一双连接功能或第二双连接功能;
所述第一双连接功能是指:至少一个第三核心网网元分别与所述第一接入网网元和第二接入网网元连接;所述第一接入网网元侧的数据通过所述第一接入网网元与所述至少一个第三核心网网元之间的隧道传输,所述第二接入网网元侧的数据通过所述第二接入网网元与所述述至少一个第三核心网网元之间的隧道传输;
所述第二双连接功能是指:至少一个第三核心网网元均与所述第一接入网网元连 接,所述第一接入网网元与所述第二接入网网元连接;所述第一接入网网元侧的数据通过所述第一接入网网元与所述至少一个第三核心网网元之间的隧道传输,所述第二接入网网元侧的数据通过所述第二接入网网元转发给所述第一接入网网元,并经过所述第一接入网网元与所述述至少一个第三核心网网元之间的隧道传输。
本申请实施例提供的绑定数据流的方法,包括:
终端发送第二请求消息给第一核心网网元或第二核心网网元,所述第二请求消息中包括绑定策略,所述绑定策略包括以下至少之一:数据流的各个属性信息、PDU会话与RAT的对应关系、是否支持触发多连接功能的指示信息、是否触发多连接的指示信息,其中,所述属性信息包括以下至少之一:数据包特征信息、Application id。
在一实施方式中,所述多连接至少包括双连接。
在一实施方式中,所述第二请求消息包括会话建立请求消息或会话修改请求消息。
在一实施方式中,所述终端发送的所述第二请求消息包括一种绑定关系,所述一种绑定关系用于指示将建立和/或修改的数据流和/或会话绑定到一个接入网网元。
本申请实施例提供的绑定数据流的方法,包括:
终端发送第二请求消息给第一核心网网元或第二核心网网元,其中,当所述终端发送多次第二请求消息时,不同的第二请求消息所建立和/或修改的数据流和/或会话需绑定到不同的接入网网元上进行传输。
本申请实施例提供的绑定数据流的装置,包括:
接收单元,用于接收第一核心网网元发送的PDU会话中的数据流的建立请求消息或修改请求消息;
绑定单元,用于根据所述建立请求消息或修改请求消息,将各个待建立或待修改的数据流和/或会话和/或至少一个隧道绑定到对应的RAT下的无线承载中,所述至少一个隧道用于传输核心网与接入网之间的数据。
在一实施方式中,所述建立请求消息或修改请求消息包括第一指示信息,所述第一指示信息包括待建立或待修改的数据流对应的数据流指示信息和RAT指示信息。
在一实施方式中,所述第一指示信息还包括待建立或待修改的数据流是否分流的指示信息和/或上下行传输是否对应同一个RAT的指示信息;
其中,所述是否分流的指示信息用于指示所述数据流是否在多个RAT下传输。
在一实施方式中,一个数据流对应一个RAT指示信息或者多个RAT指示信息。
在一实施方式中,一个数据流对应多个RAT指示信息时,所述多个RAT指示信息中的每个RAT指示信息对应一个优先级信息。
在一实施方式中,所述建立请求消息或修改请求消息包括第二指示信息,所述第二指示信息包括待建立或待修改的数据流对应的数据流指示信息;
所述装置还包括:存储单元,用于存储第一配置信息,所述第一配置信息包括不同的数据流指示信息范围对应的RAT指示信息。
在一实施方式中,所述绑定单元,用于根据所述第二指示信息和所述第一配置信息,确定各个待建立或待修改的数据流对应的RAT,并将所述各个待建立或待修改的数据流和/或会话绑定到对应的RAT下的无线承载中。
在一实施方式中,所述第一配置信息为所述第一接入网网元侧静态配置的,或者所述第一配置信息由核心网侧或网管侧发送给所述第一接入网网元的。
在一实施方式中,所述第二指示信息由所述第一核心网网元基于绑定策略生成,所述绑定策略包括以下至少之一:数据流的各个属性信息、PDU会话与RAT的对应关系、是否支持触发多连接功能的指示信息、是否触发多连接的指示信息,其中,所述属性信息包括以下至少之一:数据包特征信息、Application id。
在一实施方式中,所述绑定策略存储在签约信息中,在终端执行注册或PDU会话建立时,所述第一核心网网元接收所述签约信息,从所述签约信息中获取所述绑定策略。
在一实施方式中,在签约信息中配置DNN和/或S-NSSAI对应的RAT,以使所述第一核心网网元根据所述签约信息确定基于所述DNN和/或S-NSSAI建立或修改的PDU会话对应的RAT,所述第一核心网网元向所述第一接入网网元发送的建立请求消息或修改请求消息中携带第三指示信息,所述第三指示信息用于指示所述PDU会话对应的RAT。
在一实施方式中,所述待建立或待修改的数据流与对应的RAT下的无线承载的绑定操作,通过以下方式触发:第二核心网网元向所述第一核心网网元发送第一请求消息。
在一实施方式中,所述第一请求消息由第三方服务器发送给所述第二核心网网元,由所述第二核心网网元转发给所述第一核心网网元。
在一实施方式中,终端发送第二请求消息给所述第一核心网网元或第二核心网网元;和/或,第三方服务器发送第二请求消息给所述第一核心网网元或第二核心网网元,所述第二请求消息中包括绑定策略,所述绑定策略包括以下至少之一:数据流的各个属性信息、PDU会话与RAT的对应关系、是否支持触发多连接功能的指示信息、是否触发多连接的指示信息,其中,所述属性信息包括以下至少之一:数据包特征信息、Application id。
在一实施方式中,所述多连接至少包括双连接。
在一实施方式中,所述装置还包括:
发送单元,用于向所述第一核心网网元发送确认消息。
在一实施方式中,所述接收单元,还用于接收所述第一核心网网元发送的第四指示信息,基于所述第四指示信息确定是否开启双连接功能;或者,接收所述第一核心网网元发送的至少两个隧道信息的情况下,确定开启双连接功能。
在一实施方式中,所述双连接功能为第一双连接功能或第二双连接功能;
所述第一双连接功能是指:至少一个第三核心网网元分别与所述第一接入网网元和第二接入网网元连接;所述第一接入网网元侧的数据通过所述第一接入网网元与所述至少一个第三核心网网元之间的隧道传输,所述第二接入网网元侧的数据通过所述第二接入网网元与所述述至少一个第三核心网网元之间的隧道传输;
所述第二双连接功能是指:至少一个第三核心网网元均与所述第一接入网网元连接,所述第一接入网网元与所述第二接入网网元连接;所述第一接入网网元侧的数据通过所述第一接入网网元与所述至少一个第三核心网网元之间的隧道传输,所述第二接入网网元侧的数据通过所述第二接入网网元转发给所述第一接入网网元,并经过所述第一接入网网元与所述述至少一个第三核心网网元之间的隧道传输。
本申请实施例提供的绑定数据流的装置,包括:
发送单元,用于发送第二请求消息给第一核心网网元或第二核心网网元,所述第二请求消息中包括绑定策略,所述绑定策略包括以下至少之一:数据流的各个属性信息、PDU会话与RAT的对应关系、是否支持触发多连接功能的指示信息、是否触发多连接的指示信息,其中,所述属性信息包括以下至少之一:数据包特征信息、Application id。
在一实施方式中,所述多连接至少包括双连接。
在一实施方式中,所述第二请求消息包括会话建立请求消息或会话修改请求消息。
在一实施方式中,所述终端发送的所述第二请求消息包括一种绑定关系,所述一种绑定关系用于指示将建立和/或修改的数据流和/或会话绑定到一个接入网网元。
本申请实施例提供的绑定数据流的装置,包括:
发送单元,用于发送第二请求消息给第一核心网网元或第二核心网网元,其中,当所述发送多次第二请求消息时,不同的第二请求消息所建立和/或修改的数据流和/或会话需绑定到不同的接入网网元上进行传输。
本申请实施例提供的计算机存储介质,其上存储有计算机可执行指令,该计算机可执行指令被处理器执行时实现上述的绑定数据流的方法。
本申请实施例的技术方案中,第一接入网网元接收第一核心网网元发送的PDU会话中的数据流的建立请求消息或修改请求消息;所述第一接入网网元根据所述建立请求消息或修改请求消息,将各个待建立或待修改的数据流和/或会话绑定到对应的RAT下的无线承载中。采用本申请实施例的技术方案,控制数据流对于RAT的选择,RAN侧的锚点可以根据其他网元发送的指示信息来确定PDU会话中的各数据流(也即QoS flow)如何映射到空口的承载(DRB)上。
附图说明
此处所说明的附图用来提供对本申请的进一步理解,构成本申请的一部分,本申请的示意性实施例及其说明用于解释本申请,并不构成对本申请的不当限定。在附图中:
图1是一种现有的组网模式;
图2为本申请实施例的绑定数据流的方法的流程示意图一;
图3为本申请实施例的绑定数据流的情况一对应的示意图;
图4为本申请实施例的绑定数据流的情况二对应的示意图;
图5(a)为本申请实施例的DC架构的示意图一;
图5(b)为本申请实施例的DC架构的示意图二;
图6为本申请实施例的绑定数据流的方法的流程示意图二;
图7为本申请实施例的绑定数据流的方法的流程示意图三;
图8为本申请实施例的绑定数据流的装置的结构组成示意图一;
图9为本申请实施例的绑定数据流的装置的结构组成示意图二
图10为本申请实施例的计算机设备的结构组成示意图。
具体实施方式
为了能够更加详尽地了解本申请实施例的特点与技术内容,下面结合附图对本申请实施例的实现进行详细阐述,所附附图仅供参考说明之用,并非用来限定本申请实施例。
图2为本申请实施例的绑定数据流的方法的流程示意图一,如图2所示,所述绑定数据流的方法包括以下步骤:
步骤201:第一接入网网元接收第一核心网网元发送的PDU会话中的数据流的建立请求消息或修改请求消息。
本申请实施例中,第一接入网网元为RAN侧的锚点,例如图1中的NR基站或者LTE基站。第一核心网网元为SMF。以下涉及到的第二核心网网元为PCF。
RAN侧根据核心网侧发送的PDU会话中的数据流的建立/修改请求消息,来选择在特定的RAT下建立无线承载。
步骤202:所述第一接入网网元根据所述建立请求消息或修改请求消息,将各个待建立或待修改的数据流和/或会话和/或至少一个隧道绑定到对应的RAT下的无线承载中,所述至少一个隧道用于传输核心网与接入网之间的数据。
本申请实施例中,所述第一接入网网元根据所述建立请求消息或修改请求消息,将各个待建立或待修改的数据流和/或会话绑定到对应的RAT下的无线承载中,可以分为 如下几种情况:
情况一:参照图3,所述建立请求消息或修改请求消息包括第一指示信息,所述第一指示信息包括待建立或待修改的数据流对应的数据流指示信息和RAT指示信息。进一步,所述第一指示信息还包括待建立或待修改的数据流是否分流的指示信息和/或上下行传输是否对应同一个RAT的指示信息。其中,所述是否分流的指示信息用于指示所述数据流是否在多个RAT下传输。
例如:数据流分流的指示信息的表示:在核心网跑的数据流在RAN侧一部分对应NR基站,一部分对应LTE基站。
这里,一个数据流对应一个RAT指示信息或者多个RAT指示信息。一个数据流对应多个RAT指示信息时,所述多个RAT指示信息中的每个RAT指示信息对应一个优先级信息。
具体地,SMF向RAN侧发送第一指示信息,所述第一指示信息包括待建立/修改的数据流的列表以及对应的RAT。RAN侧根据SMF发送的第一指示信息来绑定数据流或整个PDU会话到不同的RAT下的无线承载中。
RAT可以是如下接入类型:NR接入、LTE接入、WLAN接入、3GPP接入、非3GPP接入、卫星接入等等。
以下通过表1来对第一指示信息进行举例,其中,QFI取值表示数据流指示信息,RAT选择表示RAT指示信息。
Figure PCTCN2018097796-appb-000001
表1
此外,第一指示信息还包括待建立或待修改的数据流是否分流的指示信息和/或上下行传输是否对应同一个RAT的指示信息,如表1所示,是否做split承载表示是否分流的指示信息,是否上下行均为同一个RAT表示上下行传输是否对应同一个RAT的指示信息。
应理解,是否做Split承载是指:下行数据流全都发给RAN侧的锚点,然后由RAN侧的锚点分别转发给指定的RAT。例如,RAN侧的锚点为NR基站,数据流需要承载在LTE空口的承载上,在做Split承载时,核心网的数据流都发送给NR基站,然后NR基站把需要在LTE上传输的数据流转发给LTE基站;反之,如果不做split承载,核心网会把数据流直接发送给LTE基站,不需要经过NR基站的转发。
此外,RAT选择可以是一个优先级列表,如表1中的QFI=1对应的RAT选择所示,第一优选接入LTE、第二选择接入NR,表示优先接入LTE,LTE接入失败或者出现其他状况时,才接入到NR。
情况二:参照图4,所述建立请求消息或修改请求消息包括第二指示信息,所述第二指示信息包括待建立或待修改的数据流对应的数据流指示信息;所述第一接入网网元侧存储有第一配置信息,所述第一配置信息包括不同的数据流指示信息范围对应的RAT指示信息。
这种情况,所述第一接入网网元根据所述第二指示信息和所述第一配置信息,确定 各个待建立或待修改的数据流对应的RAT,并将所述各个待建立或待修改的数据流和/或会话绑定到对应的RAT下的无线承载中。
在一实施方式中,所述第一配置信息为所述第一接入网网元侧静态配置的,或者所述第一配置信息由核心网侧或网管侧发送给所述第一接入网网元的。
在一实施方式中,所述第二指示信息由所述第一核心网网元基于绑定策略生成,所述绑定策略包括以下至少之一:数据流的各个属性信息、PDU会话与RAT的对应关系、是否支持触发多连接功能的指示信息、是否触发多连接的指示信息,其中,所述属性信息包括以下至少之一:数据包特征信息、Application id。进一步,所述绑定策略存储在签约信息中,在终端执行注册或PDU会话建立时,所述第一核心网网元接收所述签约信息,从所述签约信息中获取所述绑定策略。在一实施方式中,所述多连接至少包括双连接。这里,是否支持触发双连接功能的指示信息是指:终端是否具备双连接的能力。
具体地,RAN侧接收到SMF发送的数据流建立/修改请求后,根据QFI的取值以及QFI取值范围对应的RAT来将不同的数据流的无线承载建立在不同的RAT下。这里,QFI取值范围与RAT的对应关系静态配置在RAN侧或之前由核心网/网管发送给RAN,即类似表1的映射关系预先配置在RAN侧,不需要每次PDU会话的数据流建立/修改时进行改动。
进一步,QFI的取值由SMF生成,可以根据表2所示的绑定策略来生成。具体地,SMF/PCF网元根据如表2所示的绑定策略,当满足触发条件时触发将不同的数据流的无线承载建立在不同的RAT下。
数据包特征信息 接入LTE
Application id=1 接入NR
Application id=2 接入LTE
QFI/5QI=[x-y] 接入LTE
QFI/5QI=[w-z] 接入WLAN等
表2
其中,数据包特征信息包括以下一项或多项:URL、SNI(Server Name Indicator)、IP源地址、IP源端口号、IP目的地址、IP目的端口号、MAC源地址、IP源端口号、MAC目的地址、MAC目的端口号、协议类型、和VLAN标签等。在表2中的左侧的全部信息(本申请实施例称为数据流的属性信息)最终都会对应到一个数据流上,每个数据流有自己的QFI(QoS Flow Id)。
情况三:在签约信息中配置DNN和/或S-NSSAI对应的RAT,以使所述第一核心网网元根据所述签约信息确定基于所述DNN和/或S-NSSAI建立或修改的PDU会话对应的RAT,所述第一核心网网元向所述第一接入网网元发送的建立请求消息或修改请求消息中携带第三指示信息,所述第三指示信息用于指示所述PDU会话对应的RAT。
具体地,在签约信息中配置DNN和/或S-NSSAI对应的RAT类型,后续SMF上根据该DNN和/或S-NSSAI建立/修改的PDU会话只能选择指定的RAT类型,包括NR、LTE、NR和LTE等,SMF在建立/修改PDU会话请求时,只携带该PDU会话对应的RAT类型。
在一实施方式中,所述待建立或待修改的数据流与对应的RAT下的无线承载的绑定操作,通过以下方式触发:第二核心网网元向所述第一核心网网元发送第一请求消息。进一步,所述第一请求消息由第三方服务器发送给所述第二核心网网元,由所述第二核心网网元转发给所述第一核心网网元。
此外,第一核心网网元或第二核心网网元,可以通过以下方式获取绑定策略:终端发送第二请求消息给所述第一核心网网元或第二核心网网元;和/或,第三方服务器发送 第二请求消息给所述第一核心网网元或第二核心网网元,所述第二请求消息中包括绑定策略,所述绑定策略包括以下至少之一:数据流的各个属性信息、PDU会话与RAT的对应关系、是否支持触发多连接功能的指示信息、是否触发多连接的指示信息,其中,所述属性信息包括以下至少之一:数据包特征信息、Application id。在一实施方式中,所述多连接至少包括双连接。这里,是否支持触发双连接功能的指示信息是指:终端是否具备双连接的能力。
这里,绑定策略可存储在签约信息中,在UE执行注册或PDU会话建立时发送给核心网网元(如SMF)。
具体地,UE通过NAS消息向PCF/SMF发送请求数据流绑定消息和/或第三方OTT服务器向PCF/SMF发送请求数据流绑定消息,该请求数据流绑定消息中包括表2所示的绑定策略。
本申请实施例中,所述第一接入网网元将各个待建立或待修改的数据流和/或会话绑定到对应的RAT下的无线承载中后,向所述第一核心网网元发送确认消息。
本申请实施例中,除了上述将各个待建立或待修改的数据流和/或会话绑定到对应的RAT下的无线承载中以外,还可以将至少一个隧道绑定到对应的RAT下的无线承载中,进一步,所述第一接入网网元接收所述第一核心网网元发送的第四指示信息,基于所述第四指示信息确定是否开启双连接功能(显示的方式确定是否开启双连接功能);或者,所述第一接入网网元接收所述第一核心网网元发送的至少两个隧道信息的情况下,所述第一接入网网元确定开启双连接功能(隐式的方式确定是否开启双连接功能)。这里,所述双连接功能为第一双连接功能或第二双连接功能;其中,
所述第一双连接功能是指:至少一个第三核心网网元分别与所述第一接入网网元和第二接入网网元连接;所述第一接入网网元侧的数据通过所述第一接入网网元与所述至少一个第三核心网网元之间的隧道传输,所述第二接入网网元侧的数据通过所述第二接入网网元与所述述至少一个第三核心网网元之间的隧道传输;
所述第二双连接功能是指:至少一个第三核心网网元均与所述第一接入网网元连接,所述第一接入网网元与所述第二接入网网元连接;所述第一接入网网元侧的数据通过所述第一接入网网元与所述至少一个第三核心网网元之间的隧道传输,所述第二接入网网元侧的数据通过所述第二接入网网元转发给所述第一接入网网元,并经过所述第一接入网网元与所述述至少一个第三核心网网元之间的隧道传输。
举个例子,在PDU会话建立和/或修改流程中,核心网网元(SMF)可向接入网网元提供一个或多个核心网侧的隧道信息(CN Tunnel Info),即N3Tunnel信息,N3Tunnel信息指向N3Tunnel地址,进一步,每一个CN Tunnel Info对应的一个RAT,即该CN Tunnel Info指示的隧道所传输的数据通过特定的RAT无线接入进行传输。进一步,核心网向接入网指示是否触发双连接(DC,Dual Connectivity)的功能,包括如下两种DC形式:
DC-1:参照图5(a),一个或多个UPF分别连接RAN Node-1和RAN Node-2。
DC-2:参照图5(b),一个或多个UPF都只连接RAN Node-1,通过RAN Node-2的数据是由RAN Node-1经过Xn接口提供的。
图6为本申请实施例的绑定数据流的方法的流程示意图二,如图6所示,所述绑定数据流的方法包括以下步骤:
步骤601:UE向SMF/UPF发送PDU会话建立/修改请求消息,可选地,PDU会话建立/修改请求消息中增加有数据包特征描述信息/Application id以及相应的RAT选择(类似表2所示的绑定策略)。
步骤602:2a.SMF和PCF交互过程中,PCF可配置表2所示的绑定策略;和/或, 2b.SMF与UDM交互,通过签约信息来获取DNN/NSSAI对应的RAT选择策略。
步骤603:SMF触发PDU会话建立/修改请求。
3a.如果步骤401中的PDU会话建立/修改请求消息中携带了RAT选择要求(也即绑定策略),则立即出发此请求。
3b.如果后续某一种应用数据流产生,则SMF根据步骤602中配置的绑定策略或RAT选择策略来触发此请求。
这里,SMF在发送给RAN侧的请求消息中增加表1所示的指示信息;或根据静态配置规则确定QFI的取值然后发送给RAN侧。
步骤604:RAN按照RAT指示参数或QFI取值来进行无线承载的建立。
步骤605:RAN向SMF/UPF发送回复消息。
图7为本申请实施例的绑定数据流的方法的流程示意图三,如图7所示,所述绑定数据流的方法包括以下步骤:
步骤701:终端发送第二请求消息给第一核心网网元或第二核心网网元,所述第二请求消息中包括绑定策略,所述绑定策略包括以下至少之一:数据流的各个属性信息、PDU会话与RAT的对应关系、是否支持触发多连接功能的指示信息、是否触发多连接的指示信息,其中,所述属性信息包括以下至少之一:数据包特征信息、Application id。
在一实施方式中,所述多连接至少包括双连接。
这里,所述第二请求消息包括会话建立请求消息或会话修改请求消息。
在一实施方式中,所述终端发送的所述第二请求消息包括一种绑定关系,所述一种绑定关系用于指示将建立和/或修改的数据流和/或会话绑定到一个接入网网元。例如:终端第一次会话建立的数据流全部通过RAT-1进行传输,终端发起第二次第二请求消息时,将本次新建立的数据流全部通过RAT-2进行传输。
而后,接入网侧和核心网侧的流程可参照图5所示的绑定数据流的方法的描述以及图2所示的绑定数据流的方法的描述进行理解,不再赘述。
以上方式是终端通过第二请求消息显示的指示需要建立和/或修改的数据流和/或会话应该绑定到哪个接入网网元。不局限于此,终端还可以通过隐式的方式来确定需要建立和/或修改的数据流和/或会话应该绑定到哪个接入网网元,具体地,终端发送第二请求消息给第一核心网网元或第二核心网网元,其中,当所述终端发送多次第二请求消息时,不同的第二请求消息所建立和/或修改的数据流和/或会话需绑定到不同的接入网网元上进行传输。例如,终端第一次发送第二请求消息,此次建立和/或修改的数据流和/或会话绑定到RAT-1进行传输;终端第二次发送第二请求消息,此次建立和/或修改的数据流和/或会话绑定到RAT-2进行传输。
图8为本申请实施例的绑定数据流的装置的结构组成示意图一,如图8所示,所述装置包括:
接收单元801,用于接收第一核心网网元发送的PDU会话中的数据流的建立请求消息或修改请求消息;
绑定单元802,用于根据所述建立请求消息或修改请求消息,将各个待建立或待修改的数据流和/或会话和/或至少一个隧道绑定到对应的RAT下的无线承载中,所述至少一个隧道用于传输核心网与接入网之间的数据。
在一实施方式中,所述建立请求消息或修改请求消息包括第一指示信息,所述第一指示信息包括待建立或待修改的数据流对应的数据流指示信息和RAT指示信息。
在一实施方式中,所述第一指示信息还包括待建立或待修改的数据流是否分流的指示信息和/或上下行传输是否对应同一个RAT的指示信息;
其中,所述是否分流的指示信息用于指示所述数据流是否在多个RAT下传输。
在一实施方式中,一个数据流对应一个RAT指示信息或者多个RAT指示信息。
在一实施方式中,一个数据流对应多个RAT指示信息时,所述多个RAT指示信息中的每个RAT指示信息对应一个优先级信息。
在一实施方式中,所述建立请求消息或修改请求消息包括第二指示信息,所述第二指示信息包括待建立或待修改的数据流对应的数据流指示信息;
所述装置还包括:存储单元803,用于存储第一配置信息,所述第一配置信息包括不同的数据流指示信息范围对应的RAT指示信息。
在一实施方式中,所述绑定单元802,用于根据所述第二指示信息和所述第一配置信息,确定各个待建立或待修改的数据流对应的RAT,并将所述各个待建立或待修改的数据流和/或会话绑定到对应的RAT下的无线承载中。
在一实施方式中,所述第一配置信息为所述第一接入网网元侧静态配置的,或者所述第一配置信息由核心网侧或网管侧发送给所述第一接入网网元的。
在一实施方式中,所述第二指示信息由所述第一核心网网元基于绑定策略生成,所述绑定策略包括以下至少之一:数据流的各个属性信息、PDU会话与RAT的对应关系、是否支持触发多连接功能的指示信息、是否触发多连接的指示信息,其中,所述属性信息包括以下至少之一:数据包特征信息、Application id。
在一实施方式中,所述绑定策略存储在签约信息中,在终端执行注册或PDU会话建立时,所述第一核心网网元接收所述签约信息,从所述签约信息中获取所述绑定策略。
在一实施方式中,在签约信息中配置DNN和/或S-NSSAI对应的RAT,以使所述第一核心网网元根据所述签约信息确定基于所述DNN和/或S-NSSAI建立或修改的PDU会话对应的RAT,所述第一核心网网元向所述第一接入网网元发送的建立请求消息或修改请求消息中携带第三指示信息,所述第三指示信息用于指示所述PDU会话对应的RAT。
在一实施方式中,所述待建立或待修改的数据流与对应的RAT下的无线承载的绑定操作,通过以下方式触发:第二核心网网元向所述第一核心网网元发送第一请求消息。
在一实施方式中,所述第一请求消息由第三方服务器发送给所述第二核心网网元,由所述第二核心网网元转发给所述第一核心网网元。
在一实施方式中,终端发送第二请求消息给所述第一核心网网元或第二核心网网元;和/或,第三方服务器发送第二请求消息给所述第一核心网网元或第二核心网网元,所述第二请求消息中包括绑定策略,所述绑定策略包括以下至少之一:数据流的各个属性信息、PDU会话与RAT的对应关系、是否支持触发多连接功能的指示信息、是否触发多连接的指示信息,其中,所述属性信息包括以下至少之一:数据包特征信息、Application id。
在一实施方式中,所述多连接至少包括双连接。
在一实施方式中,所述装置还包括:
发送单元804,用于向所述第一核心网网元发送确认消息。
在一实施方式中,所述接收单元801,还用于接收所述第一核心网网元发送的第四指示信息,基于所述第四指示信息确定是否开启双连接功能;或者,接收所述第一核心网网元发送的至少两个隧道信息的情况下,确定开启双连接功能。
在一实施方式中,所述双连接功能为第一双连接功能或第二双连接功能;
所述第一双连接功能是指:至少一个第三核心网网元分别与所述第一接入网网元和第二接入网网元连接;所述第一接入网网元侧的数据通过所述第一接入网网元与所述至少一个第三核心网网元之间的隧道传输,所述第二接入网网元侧的数据通过所述第二接入网网元与所述述至少一个第三核心网网元之间的隧道传输;
所述第二双连接功能是指:至少一个第三核心网网元均与所述第一接入网网元连接,所述第一接入网网元与所述第二接入网网元连接;所述第一接入网网元侧的数据通过所述第一接入网网元与所述至少一个第三核心网网元之间的隧道传输,所述第二接入网网元侧的数据通过所述第二接入网网元转发给所述第一接入网网元,并经过所述第一接入网网元与所述述至少一个第三核心网网元之间的隧道传输。
本领域技术人员应当理解,图8所示的绑定数据流的装置中的各单元的实现功能可参照前述绑定数据流的方法的相关描述而理解。图8所示的绑定数据流的装置中的各单元的功能可通过运行于处理器上的程序而实现,也可通过具体的逻辑电路而实现。
图9为本申请实施例的绑定数据流的装置的结构组成示意图二,如图9所示,所述装置包括:发送单元901。
在一实施方式中,所述发送单元901,用于发送第二请求消息给第一核心网网元或第二核心网网元,所述第二请求消息中包括绑定策略,所述绑定策略包括以下至少之一:数据流的各个属性信息、PDU会话与RAT的对应关系、是否支持触发多连接功能的指示信息、是否触发多连接的指示信息,其中,所述属性信息包括以下至少之一:数据包特征信息、Application id。
在一实施方式中,所述多连接至少包括双连接。
进一步,所述第二请求消息包括会话建立请求消息或会话修改请求消息。
进一步,所述终端发送的所述第二请求消息包括一种绑定关系,所述一种绑定关系用于指示将建立和/或修改的数据流和/或会话绑定到一个接入网网元。
在另一实施方式中,所述发送单元901,用于发送第二请求消息给第一核心网网元或第二核心网网元,其中,当所述发送多次第二请求消息时,不同的第二请求消息所建立和/或修改的数据流和/或会话需绑定到不同的接入网网元上进行传输。
本领域技术人员应当理解,图9所示的绑定数据流的装置中的各单元的实现功能可参照前述绑定数据流的方法的相关描述而理解。图9所示的绑定数据流的装置中的各单元的功能可通过运行于处理器上的程序而实现,也可通过具体的逻辑电路而实现。
本申请实施例上述绑定数据流的装置如果以软件功能模块的形式实现并作为独立的产品销售或使用时,也可以存储在一个计算机可读取存储介质中。基于这样的理解,本申请实施例的技术方案本质上或者说对现有技术做出贡献的部分可以以软件产品的形式体现出来,该计算机软件产品存储在一个存储介质中,包括若干指令用以使得一台计算机设备(可以是个人计算机、服务器、或者网络设备等)执行本申请各个实施例所述方法的全部或部分。而前述的存储介质包括:U盘、移动硬盘、只读存储器(ROM,Read Only Memory)、磁碟或者光盘等各种可以存储程序代码的介质。这样,本申请实施例不限制于任何特定的硬件和软件结合。
相应地,本申请实施例还提供一种计算机存储介质,其中存储有计算机可执行指令,该计算机可执行指令被处理器执行时实现本申请实施例的上述绑定数据流的方法。
图10为本申请实施例的计算机设备的结构组成示意图,该计算机设备可以是终端,也可以是网络设备。如图10所示,计算机设备100可以包括一个或多个(图中仅示出一个)处理器1002(处理器1002可以包括但不限于微处理器(MCU,Micro Controller Unit)或可编程逻辑器件(FPGA,Field Programmable Gate Array)等的处理装置)、用于存储数据的存储器1004、以及用于通信功能的传输装置1006。本领域普通技术人员可以理解,图10所示的结构仅为示意,其并不对上述电子装置的结构造成限定。例如,计算机设备100还可包括比图10中所示更多或者更少的组件,或者具有与图10所示不同的配置。
存储器1004可用于存储应用软件的软件程序以及模块,如本申请实施例中的方法 对应的程序指令/模块,处理器1002通过运行存储在存储器1004内的软件程序以及模块,从而执行各种功能应用以及数据处理,即实现上述的方法。存储器1004可包括高速随机存储器,还可包括非易失性存储器,如一个或者多个磁性存储装置、闪存、或者其他非易失性固态存储器。在一些实例中,存储器1004可进一步包括相对于处理器1002远程设置的存储器,这些远程存储器可以通过网络连接至计算机设备100。上述网络的实例包括但不限于互联网、企业内部网、局域网、移动通信网及其组合。
传输装置1006用于经由一个网络接收或者发送数据。上述的网络具体实例可包括计算机设备100的通信供应商提供的无线网络。在一个实例中,传输装置1006包括一个网络适配器(NIC,Network Interface Controller),其可通过基站与其他网络设备相连从而可与互联网进行通讯。在一个实例中,传输装置1006可以为射频(RF,Radio Frequency)模块,其用于通过无线方式与互联网进行通讯。
本申请实施例所记载的技术方案之间,在不冲突的情况下,可以任意组合。
在本申请所提供的几个实施例中,应该理解到,所揭露的方法和智能设备,可以通过其它的方式实现。以上所描述的设备实施例仅仅是示意性的,例如,所述单元的划分,仅仅为一种逻辑功能划分,实际实现时可以有另外的划分方式,如:多个单元或组件可以结合,或可以集成到另一个系统,或一些特征可以忽略,或不执行。另外,所显示或讨论的各组成部分相互之间的耦合、或直接耦合、或通信连接可以是通过一些接口,设备或单元的间接耦合或通信连接,可以是电性的、机械的或其它形式的。
上述作为分离部件说明的单元可以是、或也可以不是物理上分开的,作为单元显示的部件可以是、或也可以不是物理单元,即可以位于一个地方,也可以分布到多个网络单元上;可以根据实际的需要选择其中的部分或全部单元来实现本实施例方案的目的。
另外,在本申请各实施例中的各功能单元可以全部集成在一个第二处理单元中,也可以是各单元分别单独作为一个单元,也可以两个或两个以上单元集成在一个单元中;上述集成的单元既可以采用硬件的形式实现,也可以采用硬件加软件功能单元的形式实现。
以上所述,仅为本申请的具体实施方式,但本申请的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本申请揭露的技术范围内,可轻易想到变化或替换,都应涵盖在本申请的保护范围之内。

Claims (48)

  1. 一种绑定数据流的方法,所述方法包括:
    第一接入网网元接收第一核心网网元发送的PDU会话中的数据流的建立请求消息或修改请求消息;
    所述第一接入网网元根据所述建立请求消息或修改请求消息,将各个待建立或待修改的数据流和/或会话和/或至少一个隧道绑定到对应的RAT下的无线承载中,所述至少一个隧道用于传输核心网与接入网之间的数据。
  2. 根据权利要求1所述的方法,其中,所述建立请求消息或修改请求消息包括第一指示信息,所述第一指示信息包括待建立或待修改的数据流对应的数据流指示信息和RAT指示信息。
  3. 根据权利要求2所述的方法,其中,所述第一指示信息还包括待建立或待修改的数据流是否分流的指示信息和/或上下行传输是否对应同一个RAT的指示信息;
    其中,所述是否分流的指示信息用于指示所述数据流是否在多个RAT下传输。
  4. 根据权利要求2或3所述的方法,其中,一个数据流对应一个RAT指示信息或者多个RAT指示信息。
  5. 根据权利要求4所述的方法,其中,一个数据流对应多个RAT指示信息时,所述多个RAT指示信息中的每个RAT指示信息对应一个优先级信息。
  6. 根据权利要求1所述的方法,其中,所述建立请求消息或修改请求消息包括第二指示信息,所述第二指示信息包括待建立或待修改的数据流对应的数据流指示信息;
    所述第一接入网网元侧存储有第一配置信息,所述第一配置信息包括不同的数据流指示信息范围对应的RAT指示信息。
  7. 根据权利要求6所述的方法,其中,所述第一接入网网元根据所述建立请求消息或修改请求消息,将各个待建立或待修改的数据流和/或会话绑定到对应的RAT下的无线承载中,包括:
    所述第一接入网网元根据所述第二指示信息和所述第一配置信息,确定各个待建立或待修改的数据流对应的RAT,并将所述各个待建立或待修改的数据流和/或会话绑定到对应的RAT下的无线承载中。
  8. 根据权利要求6或7所述的方法,其中,所述第一配置信息为所述第一接入网网元侧静态配置的,或者所述第一配置信息由核心网侧或网管侧发送给所述第一接入网网元的。
  9. 根据权利要求6至8任一项所述的方法,其中,所述第二指示信息由所述第一核心网网元基于绑定策略生成,所述绑定策略包括以下至少之一:数据流的各个属性信息、PDU会话与RAT的对应关系、是否支持触发多连接功能的指示信息、是否触发多连接的指示信息,其中,所述属性信息包括以下至少之一:数据包特征信息、Application id。
  10. 根据权利要求9所述的方法,其中,所述绑定策略存储在签约信息中,在终端执行注册或PDU会话建立时,所述第一核心网网元接收所述签约信息,从所述签约信息中获取所述绑定策略。
  11. 根据权利要求1至10任一项所述的方法,其中,在签约信息中配置DNN和/或S-NSSAI对应的RAT,以使所述第一核心网网元根据所述签约信息确定基于所述DNN和/或S-NSSAI建立或修改的PDU会话对应的RAT,所述第一核心网网元向所述第一接入网网元发送的建立请求消息或修改请求消息中携带第三指示信息,所述 第三指示信息用于指示所述PDU会话对应的RAT。
  12. 根据权利要求1至11任一项所述的方法,其中,所述待建立或待修改的数据流与对应的RAT下的无线承载的绑定操作,通过以下方式触发:第二核心网网元向所述第一核心网网元发送第一请求消息。
  13. 根据权利要求12所述的方法,其中,所述第一请求消息由第三方服务器发送给所述第二核心网网元,由所述第二核心网网元转发给所述第一核心网网元。
  14. 根据权利要求1至13任一项所述的方法,其中,所述方法还包括:
    终端发送第二请求消息给所述第一核心网网元或第二核心网网元;和/或,第三方服务器发送第二请求消息给所述第一核心网网元或第二核心网网元,所述第二请求消息中包括绑定策略,所述绑定策略包括以下至少之一:数据流的各个属性信息、PDU会话与RAT的对应关系、是否支持触发多连接功能的指示信息、是否触发多连接的指示信息,其中,所述属性信息包括以下至少之一:数据包特征信息、Application id。
  15. 根据权利要求9或14所述的方法,其中,所述多连接至少包括双连接。
  16. 根据权利要求1至15任一项所述的方法,其中,所述方法还包括:
    所述第一接入网网元将各个待建立或待修改的数据流和/或会话绑定到对应的RAT下的无线承载中后,向所述第一核心网网元发送确认消息。
  17. 根据权利要求1至16任一项所述的方法,其中,所述方法还包括:
    所述第一接入网网元接收所述第一核心网网元发送的第四指示信息,基于所述第四指示信息确定是否开启双连接功能;或者,
    所述第一接入网网元接收所述第一核心网网元发送的至少两个隧道信息的情况下,所述第一接入网网元确定开启双连接功能。
  18. 根据权利要求17所述的方法,其中,所述双连接功能为第一双连接功能或第二双连接功能;
    所述第一双连接功能是指:至少一个第三核心网网元分别与所述第一接入网网元和第二接入网网元连接;所述第一接入网网元侧的数据通过所述第一接入网网元与所述至少一个第三核心网网元之间的隧道传输,所述第二接入网网元侧的数据通过所述第二接入网网元与所述述至少一个第三核心网网元之间的隧道传输;
    所述第二双连接功能是指:至少一个第三核心网网元均与所述第一接入网网元连接,所述第一接入网网元与所述第二接入网网元连接;所述第一接入网网元侧的数据通过所述第一接入网网元与所述至少一个第三核心网网元之间的隧道传输,所述第二接入网网元侧的数据通过所述第二接入网网元转发给所述第一接入网网元,并经过所述第一接入网网元与所述述至少一个第三核心网网元之间的隧道传输。
  19. 一种绑定数据流的方法,所述方法包括:
    终端发送第二请求消息给第一核心网网元或第二核心网网元,所述第二请求消息中包括绑定策略,所述绑定策略包括以下至少之一:数据流的各个属性信息、PDU会话与RAT的对应关系、是否支持触发多连接功能的指示信息、是否触发多连接的指示信息,其中,所述属性信息包括以下至少之一:数据包特征信息、Application id。
  20. 根据权利要求19所述的方法,其中,所述多连接至少包括双连接。
  21. 根据权利要求19或20所述的方法,其中,所述第二请求消息包括会话建立请求消息或会话修改请求消息。
  22. 根据权利要求19至21任一项所述的方法,其中,所述终端发送的所述第二请求消息包括一种绑定关系,所述一种绑定关系用于指示将建立和/或修改的数据流和/或会话绑定到一个接入网网元。
  23. 一种绑定数据流的方法,所述方法包括:
    终端发送第二请求消息给第一核心网网元或第二核心网网元,其中,当所述终端发送多次第二请求消息时,不同的第二请求消息所建立和/或修改的数据流和/或会话需绑定到不同的接入网网元上进行传输。
  24. 一种绑定数据流的装置,所述装置包括:
    接收单元,用于接收第一核心网网元发送的PDU会话中的数据流的建立请求消息或修改请求消息;
    绑定单元,用于根据所述建立请求消息或修改请求消息,将各个待建立或待修改的数据流和/或会话和/或至少一个隧道绑定到对应的RAT下的无线承载中,所述至少一个隧道用于传输核心网与接入网之间的数据。
  25. 根据权利要求24所述的装置,其中,所述建立请求消息或修改请求消息包括第一指示信息,所述第一指示信息包括待建立或待修改的数据流对应的数据流指示信息和RAT指示信息。
  26. 根据权利要求25所述的装置,其中,所述第一指示信息还包括待建立或待修改的数据流是否分流的指示信息和/或上下行传输是否对应同一个RAT的指示信息;
    其中,所述是否分流的指示信息用于指示所述数据流是否在多个RAT下传输。
  27. 根据权利要求25或26所述的装置,其中,一个数据流对应一个RAT指示信息或者多个RAT指示信息。
  28. 根据权利要求27所述的装置,其中,一个数据流对应多个RAT指示信息时,所述多个RAT指示信息中的每个RAT指示信息对应一个优先级信息。
  29. 根据权利要求24所述的装置,其中,所述建立请求消息或修改请求消息包括第二指示信息,所述第二指示信息包括待建立或待修改的数据流对应的数据流指示信息;
    所述装置还包括:存储单元,用于存储第一配置信息,所述第一配置信息包括不同的数据流指示信息范围对应的RAT指示信息。
  30. 根据权利要求29所述的装置,其中,所述绑定单元,用于根据所述第二指示信息和所述第一配置信息,确定各个待建立或待修改的数据流对应的RAT,并将所述各个待建立或待修改的数据流和/或会话绑定到对应的RAT下的无线承载中。
  31. 根据权利要求29或30所述的装置,其中,所述第一配置信息为所述第一接入网网元侧静态配置的,或者所述第一配置信息由核心网侧或网管侧发送给所述第一接入网网元的。
  32. 根据权利要求29至31任一项所述的装置,其中,所述第二指示信息由所述第一核心网网元基于绑定策略生成,所述绑定策略包括以下至少之一:数据流的各个属性信息、PDU会话与RAT的对应关系、是否支持触发多连接功能的指示信息、是否触发多连接的指示信息,其中,所述属性信息包括以下至少之一:数据包特征信息、Application id。
  33. 根据权利要求32所述的装置,其中,所述绑定策略存储在签约信息中,在终端执行注册或PDU会话建立时,所述接收单元接收所述签约信息,从所述签约信息中获取所述绑定策略。
  34. 根据权利要求24至33任一项所述的装置,其中,在签约信息中配置DNN和/或S-NSSAI对应的RAT,以使所述第一核心网网元根据所述签约信息确定基于所述DNN和/或S-NSSAI建立或修改的PDU会话对应的RAT,所述第一核心网网元向所述第一接入网网元发送的建立请求消息或修改请求消息中携带第三指示信息,所述第三指示信息用于指示所述PDU会话对应的RAT。
  35. 根据权利要求24至34任一项所述的装置,其中,所述待建立或待修改的数据流与对应的RAT下的无线承载的绑定操作,通过以下方式触发:第二核心网网元向所述第一核心网网元发送第一请求消息。
  36. 根据权利要求35所述的装置,其中,所述第一请求消息由第三方服务器发送给所述第二核心网网元,由所述第二核心网网元转发给所述第一核心网网元。
  37. 根据权利要求24至36任一项所述的装置,其中,终端发送第二请求消息给所述第一核心网网元或第二核心网网元;和/或,第三方服务器发送第二请求消息给所述第一核心网网元或第二核心网网元,所述第二请求消息中包括绑定策略,所述绑定策略包括以下至少之一:数据流的各个属性信息、PDU会话与RAT的对应关系、是否支持触发多连接功能的指示信息、是否触发多连接的指示信息,其中,所述属性信息包括以下至少之一:数据包特征信息、Application id。
  38. 根据权利要求32或37所述的装置,其中,所述多连接至少包括双连接。
  39. 根据权利要求24至38任一项所述的装置,其中,所述装置还包括:
    发送单元,用于向所述第一核心网网元发送确认消息。
  40. 根据权利要求24至39任一项所述的装置,其中,所述接收单元,还用于接收所述第一核心网网元发送的第四指示信息,基于所述第四指示信息确定是否开启双连接功能;或者,接收所述第一核心网网元发送的至少两个隧道信息的情况下,确定开启双连接功能。
  41. 根据权利要求40所述的装置,其中,所述双连接功能为第一双连接功能或第二双连接功能;
    所述第一双连接功能是指:至少一个第三核心网网元分别与所述第一接入网网元和第二接入网网元连接;所述第一接入网网元侧的数据通过所述第一接入网网元与所述至少一个第三核心网网元之间的隧道传输,所述第二接入网网元侧的数据通过所述第二接入网网元与所述述至少一个第三核心网网元之间的隧道传输;
    所述第二双连接功能是指:至少一个第三核心网网元均与所述第一接入网网元连接,所述第一接入网网元与所述第二接入网网元连接;所述第一接入网网元侧的数据通过所述第一接入网网元与所述至少一个第三核心网网元之间的隧道传输,所述第二接入网网元侧的数据通过所述第二接入网网元转发给所述第一接入网网元,并经过所述第一接入网网元与所述述至少一个第三核心网网元之间的隧道传输。
  42. 一种绑定数据流的装置,所述装置包括:
    发送单元,用于发送第二请求消息给第一核心网网元或第二核心网网元,所述第二请求消息中包括绑定策略,所述绑定策略包括以下至少之一:数据流的各个属性信息、PDU会话与RAT的对应关系、是否支持触发多连接功能的指示信息、是否触发多连接的指示信息,其中,所述属性信息包括以下至少之一:数据包特征信息、Application id。
  43. 根据权利要求42所述的装置,其中,所述多连接至少包括双连接。
  44. 根据权利要求42或43所述的装置,其中,所述第二请求消息包括会话建立请求消息或会话修改请求消息。
  45. 根据权利要求42至44任一项所述的装置,其中,所述终端发送的所述第二请求消息包括一种绑定关系,所述一种绑定关系用于指示将建立和/或修改的数据流和/或会话绑定到一个接入网网元。
  46. 一种绑定数据流的装置,所述装置包括:
    发送单元,用于发送第二请求消息给第一核心网网元或第二核心网网元,其中,当所述发送多次第二请求消息时,不同的第二请求消息所建立和/或修改的数据流和/ 或会话需绑定到不同的接入网网元上进行传输。
  47. 一种计算机存储介质,其上存储有计算机可执行指令,该计算机可执行指令被处理器执行时实现权利要求1至18任一项所述的方法步骤。
  48. 一种计算机存储介质,其上存储有计算机可执行指令,该计算机可执行指令被处理器执行时实现权利要求19至22任一项所述的方法步骤,或者权利要求23所述的方法步骤。
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