WO2018177277A1 - 网络系统中状态信息的处理方法、装置及存储介质 - Google Patents

网络系统中状态信息的处理方法、装置及存储介质 Download PDF

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Publication number
WO2018177277A1
WO2018177277A1 PCT/CN2018/080621 CN2018080621W WO2018177277A1 WO 2018177277 A1 WO2018177277 A1 WO 2018177277A1 CN 2018080621 W CN2018080621 W CN 2018080621W WO 2018177277 A1 WO2018177277 A1 WO 2018177277A1
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Prior art keywords
network
bearer
state information
status information
providing device
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PCT/CN2018/080621
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English (en)
French (fr)
Inventor
李振东
卢飞
朱进国
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中兴通讯股份有限公司
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Publication of WO2018177277A1 publication Critical patent/WO2018177277A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/0005Control or signalling for completing the hand-off
    • H04W36/0011Control or signalling for completing the hand-off for data sessions of end-to-end connection
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/0005Control or signalling for completing the hand-off
    • H04W36/0011Control or signalling for completing the hand-off for data sessions of end-to-end connection
    • H04W36/0027Control or signalling for completing the hand-off for data sessions of end-to-end connection for a plurality of data sessions of end-to-end connections, e.g. multi-call or multi-bearer end-to-end data connections
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/0005Control or signalling for completing the hand-off
    • H04W36/0011Control or signalling for completing the hand-off for data sessions of end-to-end connection
    • H04W36/0033Control or signalling for completing the hand-off for data sessions of end-to-end connection with transfer of context information
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/14Reselecting a network or an air interface
    • H04W36/144Reselecting a network or an air interface over a different radio air interface technology

Definitions

  • the present invention relates to the field of communications, and in particular to a method, an apparatus, and a storage medium for processing state information in a network system.
  • 3GPP 3rd Generation Partnership Project
  • LTE long-term evolution
  • the terminal accesses the 4G network through the wireless air interface and obtains the service.
  • the terminal exchanges information through the air interface and the base station, and performs mobility management through the non-access stratum signaling (NAS, Non-Access Stratum) and the core network. Entity interaction information.
  • NAS non-access stratum signaling
  • NAS Non-Access Stratum
  • the base station (eNB) is responsible for air interface resource scheduling of the terminal accessing the network and connection management of the air interface.
  • Mobile management entity core network control plane entity, mainly responsible for user authentication, authorization and contract check, user mobility management, packet data network (PDN, Packet Data Network) connection and bearer maintenance, user IDLE (idle) status Trigger paging and other functions.
  • PDN Packet Data Network
  • bearer maintenance mainly responsible for user authentication, authorization and contract check, user mobility management, packet data network (PDN, Packet Data Network) connection and bearer maintenance, user IDLE (idle) status Trigger paging and other functions.
  • PDN Packet Data Network
  • S-GW Serving Gate Way
  • the core network user plane function entity which is mainly responsible for the interaction between the public data network (PNGW) and the public data network (PDN).
  • P-GW The core network user plane function entity is the access point of the terminal accessing the PDN network. It is responsible for allocating user IP addresses, network-triggered bearer establishment, modification and deletion, and also has QoS (Quality of Service) control. The functions such as billing are the anchor points of the user in the 3GPP system, so as to ensure the IP address unchanged and ensure business continuity.
  • the P-GW is further divided into two parts, one is the control entity PGW-C, and the other is the user plane entity PGW-U.
  • PGW-C is responsible for signaling control
  • PGW-U is responsible for IP forwarding.
  • HSS Home Subscription Server
  • the policy control and charging control function (PCRF, Policy and Charging Control Function) is responsible for the formulation of policy decisions and charging rules.
  • the PCRF provides network control rules based on traffic data flows, including traffic data flow detection, Gating Control, quality of service control, and data flow based charging rules.
  • the PCRF sends its formulated policies and charging rules to the P-GW for execution.
  • next-generation communication system can support EMBB (Evolved Mobile Broadband), Massive Machine Type Communication (mMTC), and ultra-reliable machine communication (uMTC (Ultra Reliable Machine Type Communication) three types of services, these three types of services have different network characteristics.
  • EMBB Evolved Mobile Broadband
  • mMTC Massive Machine Type Communication
  • uMTC Ultra-reliable Machine Type Communication
  • the UE accesses the network through the next-generation wireless air interface and obtains the service.
  • the terminal exchanges information through the air interface and the base station, and exchanges information through the non-access layer signaling and the common control plane function of the core network and the session control plane function.
  • the next generation base station (gNB) is responsible for the air interface resource scheduling of the terminal access network and the connection management of the air interface.
  • the session management function interacts with the terminal, and is mainly responsible for processing a session establishment, modification, and deletion request of a User Data Unit (PDU), and selecting a User Plane function (UPF);
  • PDU User Data Unit
  • UPF User Plane function
  • PCF Policy Control Function
  • Access and Mobility Control Function It is a common control plane function in the core network.
  • AMF Access and Mobility Control Function
  • AMF Access and Mobility Control Function
  • AMF Access and Mobility Control Function
  • UPF Provides user plane processing functions, including data forwarding and QoS execution. UPF also provides user plane anchors when users move to ensure business continuity.
  • PCF Similar to the PCRF of a 4G network.
  • Subscription Data Management stores the user's subscription data, which is similar to the HSS of the 4G network.
  • NextGen System NextGen System
  • hotspots such as downtown, business centers and more.
  • the UE accesses the 5G system, as the user moves, the coverage of the 5G system is removed, and it is necessary to solve how to seamlessly switch to the 4G system, otherwise the session will be interrupted.
  • FIG. 3 is a schematic diagram of a 4G and 5G switching architecture in the prior art. As shown in FIG. 3, it is a network architecture that satisfies 4G ⁇ -->5G bidirectional handover. Its core feature is that the architecture is compatible with both 4G and 5G architectures. Its core feature is the combination of PGW-C and SMF, PGW-U and UPF are combined, PCF and PCRF are combined, and the user plane of UE is always anchored on UPF/PGW-U. Between the AMF and the MME, an Nx interface is added, and an inter-system handover request is sent on the interface. In this way, when the UE switches between LTE and 5G, seamless handover can be guaranteed.
  • the UE and the network establish a PDN connection.
  • Multiple bearers can be established in each PDN Connection, and each bearer represents a corresponding service flow and its QoS parameters.
  • the MME allocates a Bearer ID for each Bearer and sends it to the UE during the establishment of the Bearer.
  • the Bearer ID is sent to the UE during the establishment of the PDN connection.
  • the Bearer ID is sent to the UE during the establishment of the dedicated bearer.
  • each QoS flow also represents a corresponding service flows, including a corresponding QoS profile and a packet filter.
  • Each QoS flow also has a corresponding Qos flow ID (QFI);
  • the QoS flow that was switched in the handover process is converted to the corresponding Bearer by the 4G system.
  • the Bearer session information of the target side (4G system) such as the Bearer ID
  • the Bearer session information of the target side is pre-allocated for the QoS flows that need to be switched in the handover process, but the related technology is 5G.
  • the Bearer session information of the target side there is no how to implement the Bearer session information of the target side for the QoS flow.
  • the embodiment of the present invention provides a method, a device, and a storage medium for processing state information in a network system, so as to solve at least the related technologies in the 5G and 4G handover process, how to implement the Bearer session information of the target side to be pre-allocated for the QoS flow. problem.
  • a method for processing state information in a network system including: a first device in a first network acquires state information provided by a providing device, where the state information is used to indicate a bearer. Identifying a usage status of the Bearer ID, where the Bearer ID is a bearer session identifier of the second network side, where the first network and the second network are different types of network systems; the first device determines the first The Bearer ID corresponding to the QoS flow in the network; the first device updates the acquired state information according to the determined Bearer ID.
  • the first device in the first network acquiring the state information provided by the providing device includes: sending, by the first device, the requesting information to the UE a request message for status information; the first device receives the status information provided by the UE.
  • the first device in the first network acquires state information provided by the providing device, where the first device includes: Receiving, by the first device, the status information that is actively provided by the second device; or, the first device sends a request message for requesting the status information to the second device, where the first device receives the second device The status information is provided; wherein the first device and the second device are different types of devices.
  • the method further includes: the first device sending the updated state information to the providing device; In the case that the providing device determines that the updated status information received is not an update according to the latest state information currently saved by the providing device, the first device acquires the currently saved state of the providing device again. Information; the first device again determines a Bearer ID corresponding to the QoS flow in the first network; and the first device updates the acquired state information according to the determined Bearer ID.
  • the method further includes: the first device sending the updated state information to the providing device for storage.
  • the method further includes: the first device sending the determined Bearer ID to the UE.
  • the providing device After the first device in the first network acquires the state information provided by the device, and the providing device does not receive the updated state information sent by the first device, the providing device It is prohibited to send the status information before the update again.
  • the first network is a 5G network
  • the second network is a 4G network
  • the first device is an SMF and the second device is an AMF.
  • a method for processing state information in a network system including: sending, by a first device in a first network, a request for service quality flow with the first network a request message of a Bearer ID carried by the second network corresponding to the QoS flow, where the Bearer ID is a bearer session identifier of the second network side, and the first network and the second network are different types of network systems;
  • the first device receives the offer device to provide a Bearer ID that is only used by the first device.
  • the first network is a 5G network
  • the second network is a 4G network
  • the first device is an SMF.
  • the providing device comprises: a UE, or an AMF.
  • the method further includes: sending, by the first device, the first device to the UE The Bearer ID corresponding to the QoS flow in the network.
  • a method for processing state information in a network system including: a providing device receiving, by a first device in a first network, a request for QoS flow in the first network Corresponding message requester of the Bearer ID carried by the second network, where the Bearer ID is a bearer session identifier of the second network side, and the first network and the second network are different types of network systems; The device provides the first device with a Bearer ID that is only used by the first device.
  • the providing device comprises: a UE, or an AMF.
  • a device for processing state information in a network system is provided.
  • the device is applied to a first device side in a first network, and includes: a first acquiring module configured to obtain a providing device Status information, where the status information is used to indicate a usage status of a Bearer ID, the Bearer ID is a bearer session identifier on a second network side, and the first network and the second network are different types of network systems.
  • the first determining module is configured to determine a Bearer ID corresponding to the QoS flow in the first network; the first update module is configured to update the acquired state information according to the Bearer ID determined by the first determining module.
  • the first acquiring module includes: a first sending unit, configured to send a request message for requesting the status information to the UE; And a receiving unit, configured to receive the status information provided by the UE.
  • the first acquiring module includes: a second receiving unit, configured to receive the second device actively provided
  • the first obtaining module includes: a second sending unit configured to send a request message for requesting the status information to the second device; and a third receiving unit configured to receive the first The status information provided by the second device; wherein the first device and the second device are different types of devices.
  • the apparatus further includes: a first sending module, configured to: after the first update module updates the acquired state information according to the determined Bearer ID, send the updated state information to the providing device a second acquisition module configured to determine at the providing device,
  • the second determining module is configured to Determining a Bearer ID corresponding to the QoS flow in the first network; the second update module is configured to update the acquired state information according to the determined Bearer ID.
  • the apparatus further includes: a second sending module, configured to: after the first update module updates the acquired state information according to the determined Bearer ID, send the updated state information to the providing The device is used for storage.
  • the apparatus further includes: a third sending module, configured to send the determined Bearer ID to the UE.
  • the providing device prohibits sending again.
  • the status information before the update is not limited to the state information provided by the providing device.
  • the first network is a 5G network
  • the second network is a 4G network
  • the first device is an SMF and the second device is an AMF.
  • a device for processing state information in a network system which is applied to a first device side in a first network, and includes: a fourth sending module configured to send to a providing device Requesting a request message of a Bearer ID corresponding to the QoS flow in the first network, where the Bearer ID is a bearer session identifier of the second network side, and the first network and the second network are different types of networks
  • the first receiving module is configured to receive the Bearer ID provided by the providing device only for use by the first device.
  • the first network is a 5G network
  • the second network is a 4G network
  • the first device is an SMF.
  • the providing device comprises: a UE, or an AMF.
  • the apparatus further includes: a fifth sending module, configured to send, after the first receiving module receives the Bearer ID provided by the providing device only for the first device, to send to the UE The Bearer ID corresponding to the QoS flow in the first network.
  • a fifth sending module configured to send, after the first receiving module receives the Bearer ID provided by the providing device only for the first device, to send to the UE The Bearer ID corresponding to the QoS flow in the first network.
  • a device for processing state information in a network system which is applied to a device side, and includes: a second receiving module configured to receive a first device in the first network for sending The request message of the Bearer ID of the second network that is corresponding to the QoS flow in the first network is requested, where the Bearer ID is a bearer session identifier of the second network side, and the first network and the second
  • the network is a different type of network system; a providing module configured to provide the first device with a Bearer ID that is only used by the first device.
  • the providing device comprises: a UE, or an AMF.
  • a storage medium including a stored program, wherein the program is executed while executing the processing method of status information in a network system described above.
  • a processor is provided, the processor being configured to run a program, wherein the program is executed when the program is executed according to any one of the foregoing methods for processing state information in a network system. Methods.
  • the first device in the first network acquires the state information provided by the providing device, and the first device determines the Bearer ID corresponding to the QoS flow in the first network, and obtains the update according to the determined Bearer ID.
  • the status information is obtained, so that the corresponding Bearer ID is determined for the QoS flow, and the problem of how to implement the Bearer session information of the target side for the QoS flow is not solved in the related technology 5G and 4G handover process, and the prior art is filled.
  • Whitespace the problem of how to implement the Bearer session information of the target side for the QoS flow is not solved in the related technology 5G and 4G handover process, and the prior art is filled.
  • FIG. 1 is a schematic diagram of a packet core network network architecture in the prior art
  • FIG. 2 is a schematic diagram of a structure of a next-generation mobile communication network in the prior art
  • FIG. 3 is a schematic diagram of a 4G and 5G switching architecture in the prior art
  • FIG. 4 is a flowchart 1 of a method for processing state information in a network system according to an embodiment of the present invention
  • FIG. 5 is a flowchart of a method for a network to request state information stored on a UE according to an embodiment of the present invention
  • FIG. 6 is a flowchart of a method for a network to request Bearer ID status information stored on an AMF according to an embodiment of the present invention
  • FIG. 7 is a flow chart of a method for how state information avoids concurrency problems in accordance with an embodiment of the present invention.
  • FIG. 8 is a second flowchart of a method for processing state information in a network system according to an embodiment of the present invention.
  • FIG. 9 is a flowchart of a method for a network to request UE session information according to an embodiment of the present invention.
  • FIG. 10 is a flowchart of a method for requesting AMF session information by a network according to an embodiment of the present invention
  • FIG. 11 is a structural block diagram 1 of a processing apparatus for state information in a network system according to an embodiment of the present invention
  • FIG. 12 is a structural block diagram 2 of a processing apparatus for status information in a network system according to an embodiment of the present invention
  • FIG. 13 is a flowchart of a method for a network to request UE session information when a PDU session is established according to an embodiment of the present invention
  • FIG. 14 is a flowchart of a method for a network to request UE session information when a QoS flow is established according to an embodiment of the present invention.
  • FIG. 4 is a flowchart 1 of a method for processing state information in a network system according to an embodiment of the present invention. As shown in FIG. 4, the process includes the following steps. step:
  • step S402 the first device in the first network acquires the state information provided by the providing device, where the state information is used to indicate the usage state of the bearer ID, and the Bearer ID is the bearer session identifier of the second network side.
  • the network and the second network are different types of network systems;
  • Step S404 the first device determines a Bearer ID corresponding to the QoS flow in the first network
  • Step S406 the first device updates the acquired state information according to the determined Bearer ID.
  • the first device in the first network acquires the state information provided by the providing device, and the first device determines the Bearer ID corresponding to the QoS flow in the first network, and according to the determined step S402 to step S406.
  • the Bearer ID updates the obtained state information, so as to determine the corresponding Bearer ID for the QoS flow, and solves the problem of how to implement the Bearer session information of the target side for the QoS flow in the process of 5G and 4G handover.
  • a gap in the prior art is referred to determine the Bearer ID corresponding to the QoS flow in the first network.
  • the providing device involved in this embodiment includes: the UE and the second device in the first network.
  • the manner in which the first device in the first network in the first step of the embodiment obtains the state information provided by the device includes:
  • Step S402-1 The first device sends a request message for requesting status information to the UE.
  • Step S402-2 The first device receives status information provided by the UE.
  • the manner in which the first device in the first network in the first step of the embodiment obtains the state information provided by the device includes:
  • Step S402-3 The first device receives the status information actively provided by the second device.
  • Step S402-4 The first device sends a request message for requesting status information to the second device, where the first device receives the status information provided by the second device, where the first device and the second device are different types of devices.
  • the first network involved in this embodiment may be a 5G network
  • the second network may be a 4G network
  • the first device in this embodiment may be an SMF
  • the second device may be an AMF.
  • the first network may be a 5G network
  • the second network may be a 4G network.
  • the specific application scenario in this embodiment may be:
  • FIG. 5 is a flowchart of a method for a network to request state information stored on a UE according to an embodiment of the present invention. As shown in FIG. 5, the steps of the method include:
  • Step S502 the UE generates an initial (that is, all Bearer IDs are available) Bearer session state information (corresponding to the state information in the above steps S402 to S406).
  • Step S504 in the process of establishing a PDU session or establishing a dedicated QoS flow, the SMF requests Bearer session state information corresponding to the QoS flow, and the request arrives at the UE.
  • Step S506 the UE provides Bearer session state information, and the information arrives at the SMF through the AMF.
  • Step S508 the SMF determines the Bearer ID corresponding to the QoS flow, and updates the Bearer session state information.
  • Step S510 the SMF sends the determined Bearer ID and the updated Bearer session state information to the UE.
  • Step S512 the UE saves the Bearer ID corresponding to the QoS flow, and the updated Bearer session state information.
  • FIG. 6 is a flowchart of a method for a network to request Bearer ID state information stored on an AMF according to an embodiment of the present invention. As shown in FIG. 6, the steps of the method include:
  • Step S602 the UE sends an attach request to the AMF
  • Step S604 the AMF generates initial Bearer session state information.
  • Step S606 in the PDU session (session) or dedicated Qos flow establishment process, the SMF requests Bearer session state information corresponding to the QoS flow, the request arrives at the AMF;
  • Step S608 the AMF provides Bearer session state information to the SMF;
  • Step S610 the SMF determines the Bearer ID, and updates the Bearer session state information.
  • Step S612 the SMF sends the determined Bearer ID and the updated Bearer session state information to the AMF;
  • Step S614 the AMF saves the updated Bearer session state information
  • Step S616 the AMF sends the Bearer ID corresponding to the QoS flow to the UE.
  • Bearer ID status information (corresponding to the status information in the foregoing embodiment) has various implementation manners, such as using a bitmap.
  • the Bit map can be 16 bits (2 bytes). When initializing, each bit is 0. Each bit corresponds to a Bearer ID. When a bit is 1, it indicates that the Bearer ID has been assigned; or a collection of available Bearer IDs.
  • the embodiment further provides the following embodiments:
  • Step S408 After the first device updates the acquired state information according to the determined Bearer ID, the first device sends the updated state information to the providing device.
  • Step S410 In the case that the providing device determines that the received updated state information is not an update according to the state information currently provided by the device, the first device acquires the state information currently saved by the providing device.
  • Step S412 The first device determines the Bearer ID corresponding to the QoS flow in the first network again.
  • Step S414 The first device updates the acquired state information according to the determined Bearer ID.
  • steps S408 to S414 in the specific embodiment of the embodiment, it may be:
  • FIG. 7 is a flowchart of how the state information avoids concurrency problems according to an embodiment of the present invention. As shown in FIG. 7, the steps of the method include :
  • Step S702 the state information providing device (such as AMF or UE) sends "status information a" to SMF-A and SMF-B;
  • Step S704 the SMF-B determines the Bearer ID according to the received status information a, and updates the status information to determine the status information b;
  • Step S706 the SMF-B sends the Bearer ID and the status information b to the providing device (such as AMF or UE) of the status information;
  • Step S708 the state information providing device saves the received state information b;
  • Step S710 the SMF-A determines the Bearer ID according to the received status information a, updates the status information to determine the status information c, and sends the Bearer ID and status information c to the providing device (such as AMF or UE) of the status information;
  • the providing device such as AMF or UE
  • step S712 the state information providing device judges that the SMF-A is not the state information c determined using the currently saved Bearer state information b. As after receiving the status information b, step S706 and S708, it is not sent to the SMF-A to the status information b. The status information providing device sends a new Bearer status information b to the SMF-A to the SMF-A.
  • Step S714 the SMF-A determines the Bearer ID according to the received new status information b, and updates the status information to determine the status information d.
  • Step S716 the SMF-A sends the Bearer ID and the status information d to the providing device (such as AMF or UE) of the status information;
  • the AMF When the providing device of the status information is the AMF, the AMF also needs to send the Bearer ID of the corresponding QoS flow determined by the SMF to the UE.
  • the problem that the Bearer ID conflicts may be processed in other manners in the embodiment, after the first device in the first network obtains the state information provided by the device, and the device does not receive the update sent by the first device. Before the subsequent status information, the providing device prohibits the resending of the status information before the update.
  • the method of the embodiment further includes:
  • the first device After the first device updates the acquired state information according to the determined Bearer ID, the first device sends the updated state information to the providing device for storage.
  • the first device sends the determined Bearer ID to the UE.
  • the present invention further provides a storage medium, where the storage medium includes a stored program, where the program executes the state information in the network system in the first embodiment.
  • the storage medium includes a stored program, where the program executes the state information in the network system in the first embodiment.
  • a processor is provided, where the processor is configured to run a program, where the program is executed to execute any one of the processing methods of the state information in the network system in the first embodiment. The method described in the item.
  • FIG. 8 is a second flowchart of a method for processing state information in a network system according to an embodiment of the present invention. As shown in FIG. 8, the process includes the following steps. step:
  • Step S802 The first device in the first network sends a request message for requesting a Bearer ID corresponding to the QoS flow in the first network to the providing device, where the Bearer ID is the bearer session identifier of the second network side, and the first network Is different from the second network network system;
  • Step S804 The first device receiving providing device provides a Bearer ID for use only by the first device.
  • the first device in the first network sends a request message for requesting a Bearer ID corresponding to the QoS flow in the first network to the providing device, and then the first device receives the providing device.
  • the Bearer ID is only used by the first device, so that the corresponding Bearer ID is determined for the QoS flow, and the problem of how to implement the Bearer session information of the target side for the QoS flow is not solved in the related technology 5G and 4G handover process. Fill in the gaps in existing technology.
  • the first network may be a 5G network
  • the second network may be a 4G network
  • the first device is a session control plane function SMF.
  • the apparatus provided in this embodiment includes: a UE, or an AMF.
  • the method of this embodiment further includes: after the first device receives the providing device to provide the Bearer ID for use by the first device, the first device sends the first network to the UE.
  • the Bearer ID corresponding to the QoS flow in the service quality flow.
  • step S802 to step S804 may be:
  • FIG. 9 is a flowchart of a method for requesting UE session information according to the network according to the present invention. As shown in FIG. 9, the steps of the method include:
  • Step S902 During the PDU session or the dedicated Qos flow establishment process, the SMF requests the UE to obtain Bearer information corresponding to the session Qos flow.
  • Step S904 The UE generates unique Bearer session information (Bearer ID);
  • Step S906 The UE returns Bearer session information (Bearer ID) to the SMF;
  • FIG. 10 is a flowchart of a method for requesting AMF session information by a network according to the present invention. As shown in FIG. 10, the steps of the method include:
  • step S1002 during the establishment of the PDU session or the dedicated Qos flow, the SMF requests the AMF to request the Bearer information corresponding to the Qos flow of the UE;
  • Step S1004 AMF generates unique Bearer session information (bearer ID)
  • step S1006 the AMF returns Bearer session information (Bearer ID) to the SMF.
  • Bearer ID Bearer ID
  • the present invention further provides a storage medium, where the storage medium includes a stored program, where the program executes the state information in the network system in the first embodiment.
  • the storage medium includes a stored program, where the program executes the state information in the network system in the first embodiment.
  • a processor configured to run a program, where the program is executed to execute any one of the processing methods of the state information in the network system in the first embodiment. The method described in the item.
  • the method in this embodiment includes: the providing device receiving the first device in the first network.
  • the request message of the Bearer ID carried by the second network corresponding to the QoS flow in the first network is requested, where the Bearer ID is a bearer session identifier of the second network side, and the first network and the second network are different types.
  • the providing device provides the first device with a Bearer ID that is only used by the first device.
  • the present invention also provides a storage medium, the storage medium including a stored program, wherein the method for processing status information in the network system is executed when the program is running, and the method for processing the status information in the network system is described.
  • the method of any of the preceding claims is described.
  • a processor For a method of processing state information in a network system described from the perspective of providing a device, a processor is provided, the processor being configured to run a program, wherein the program executes any one of the processing methods of the state information in the network system described above during runtime of the program Said method.
  • the method according to the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course, by hardware, but in many cases, the former is A better implementation.
  • the technical solution of the present invention which is essential or contributes to the prior art, may be embodied in the form of a software product stored in a storage medium (such as ROM/RAM, disk,
  • the optical disc includes a number of instructions for causing a terminal device (which may be a cell phone, a computer, a server, or a network device, etc.) to perform the methods of various embodiments of the present invention.
  • a processing device for the state information in the network system is provided.
  • the device is used to implement the foregoing embodiments and the preferred embodiments, and details are not described herein.
  • the term "module” may implement a combination of software and/or hardware of a predetermined function.
  • the apparatus described in the following embodiments is preferably implemented in software, hardware, or a combination of software and hardware, is also possible and contemplated.
  • Figure 11 is a block diagram showing the structure of a device for processing state information in a network system according to an embodiment of the present invention.
  • the device is applied to a first device side in a first network.
  • the device includes:
  • the first obtaining module 112 is configured to obtain the status information provided by the providing device, where the status information is used to indicate the usage status of the Bearer ID, and the Bearer ID is the bearer session identifier of the second network side, where the first network is different from the second network.
  • Type of network system
  • the first determining module 114 is coupled to the first obtaining module 112 and configured to determine a Bearer ID corresponding to the QoS flow in the first network;
  • the first update module 116 is coupled to the first determining module 114 and configured to update the acquired state information according to the Bearer ID determined by the first determining module 114.
  • the first acquiring module includes: a first sending unit, configured to send a request message for requesting status information to the UE; the first receiving unit, and the first sending unit A coupled connection configured to receive status information provided by the UE.
  • the first acquiring module includes: a second receiving unit configured to receive state information actively provided by the second device; or the first The acquiring module includes: a second sending unit configured to send a request message for requesting status information to the second device; and a third receiving unit configured to receive status information provided by the second device; wherein the first device and the second device For different types of devices.
  • the apparatus of this embodiment further includes: a first sending module, configured to: after the first update module updates the acquired state information according to the determined Bearer ID, send the updated state information to the providing device;
  • the second obtaining module is coupled to the first sending module, configured to determine, at the providing device, that the updated updated state information is not updated according to the state information currently provided by the device, and obtains the current device again.
  • the second determined module is coupled to the second obtaining module and configured to determine the Bearer ID corresponding to the QoS flow in the first network.
  • the second update module is coupled to the second determining module and configured to be configured.
  • the obtained status information is updated according to the determined Bearer ID.
  • the apparatus of this embodiment further includes: a second sending module, configured to: after the first update module updates the acquired state information according to the determined Bearer ID, send the updated state information to the providing device For storage.
  • the apparatus of this embodiment further includes: a third sending module, configured to send the determined Bearer ID to the user equipment UE after the first update module updates the acquired state information according to the determined Bearer ID.
  • the providing device prohibits sending the state information before the update again.
  • the first network involved in this embodiment may be a 5G network
  • the second network may be a 4G network
  • the first device in this embodiment may be an SMF
  • the second device may be an AMF.
  • FIG. 12 is a block diagram 2 of a structure of a device for processing state information in a network system according to an embodiment of the present invention.
  • the device is applied to a first device side in a first network.
  • the device includes: a fourth sending module. 122.
  • the method is configured to send, to the providing device, a request message for requesting a Bearer ID corresponding to the QoS flow in the first network, where the Bearer ID is a bearer session identifier of the second network, the first network and the second network.
  • the first receiving module 124 is coupled to the fourth sending module 122 and configured to receive the providing device to provide a Bearer ID for use only by the first device.
  • the first network is a 5G network and the second network is a 4G network.
  • the first device is the SMF.
  • the providing device includes: UE, or AMF.
  • the apparatus of this embodiment may further include: a fifth sending module, configured to send to the UE in the first network after the first receiving module receives the Bearer ID provided by the providing device and is only used by the first device Bearer ID corresponding to QoS flow.
  • a fifth sending module configured to send to the UE in the first network after the first receiving module receives the Bearer ID provided by the providing device and is only used by the first device Bearer ID corresponding to QoS flow.
  • each of the above modules may be implemented by software or hardware.
  • the foregoing may be implemented by, but not limited to, the foregoing modules are all located in the same processor; or, the above modules are in any combination.
  • the forms are located in different processors.
  • the device includes: a second receiving module configured to receive, by the first device in the first network, a request and a request a request message of the Bearer ID carried by the second network corresponding to the QoS flow in the first network, where the Bearer ID is a bearer session identifier of the second network side, where the first network is different from the second network a type of network system; a providing module coupled to the second receiving module, configured to provide the first device with a Bearer ID that is only used by the first device.
  • FIG. 13 is a flowchart of a method for a network to request UE session information when a PDU session is established according to an embodiment of the present invention. As shown in FIG. 13, the steps of the method include:
  • Step S1302 The terminal determines to initiate a new PDU session, and then initiates a PDU session establishment request, and the mobility NAS message sent by the UE to the AMF includes the session NAS message cell sent by the UE to the SMF.
  • the session NAS message cell has a PDU session type with a new request session, a selected SSC mode, and the like, and an indication supporting 5G and 4G IWK;
  • Step S1304 the AMF receives and parses the mobility NAS message, selects an appropriate SMF according to the information therein (that is, the SMF/PGW-C in the embodiment of the present invention), and saves the correspondence between the PDU session identifier and the selected SMF. .
  • the AMF forwards the session NAS message, the data network name, and the user identifier and the PDU session identifier to the selected SMF;
  • Step S1308 The SMF checks the user subscription, determines whether the PDU session request is allowed, and determines QoS information of the PDU session pre-authorization, which includes information (including QoS) of the default bearer of the UE when the 4G access is performed.
  • the optional SMF may also negotiate with the PCF to determine the default QoS information required for the PDU session, and the default bearer information (including QoS) for 4G access;
  • Step S1310 The SMF selects an appropriate UPF according to the session information, and sends an N4 session establishment request to the selected UPF.
  • the message request includes the requested QoS and the like, and at least includes the QoS flow label and the corresponding uplink and downlink flow template.
  • the UPF establishes an N4 session-related context, saves the QoS information, and the UPF allocates the N3 tunnel uplink tunnel identifier of the session, and returns an N4 session establishment response to the SMF, where the N3 tunnel uplink tunnel identifier is allocated by the UPF;
  • Step S1312 The SMF obtains the tunnel identifier allocated by the UPF, and requests the base station to establish the radio resource of the session through the AMF.
  • the SMF sends a message to the AMF with the SM cell.
  • the cell includes the PDU session identifier, the QoS information of the session request, and the N3 tunnel uplink tunnel identifier assigned by the UPF to the session.
  • the SMF also carries the information of the default QoS flow and the information of the default bearer of the UE during 4G access to the AMF, which also carries an indication requesting the allocation of the Bearer ID;
  • step S1312 the AMF sends an N2-AP radio resource setup request message to the base station.
  • the information about the default QoS flow received by the AMF and the default bearer information of the UE when accessing the 4G, and an indication for requesting the Bearer ID are allocated.
  • Steps S1316 and S1318 the base station allocates radio resources according to the received QoS information, and interacts with the terminal to establish a wireless dedicated bearer of the session.
  • the RRC message sent by the base station to the UE carries the information of the default QoS flow received from the AMF and the information of the default bearer when the UE accesses the 4G, and an indication for requesting the allocation of the Bearer ID.
  • the UE assigns a Bearer ID and returns it to the base station.
  • the base station allocates an N3 tunnel downlink tunnel identifier;
  • the AMF may also send the information of the default QoS flow and the information of the default bearer of the UE during the 4G access, and the Bearer ID request information is sent to the UE through the NAS message;
  • Step S1320 The base station returns an N2-AP radio resource setup response message to the AMF, where the N3 tunnel downlink tunnel identifier and the Bearer ID are allocated by the base station;
  • Step S1320 the AMF returns a message to the SMF, where the N3 tunnel downlink tunnel identifier assigned by the base station, and the Bearer ID;
  • step S1324 the SMF sends an N4 session update request to the UPF, and sends the N3 tunnel downlink tunnel identifier assigned by the base station to the UPF.
  • the UE may also send the Bearer ID information to the SMF through the AMF by using the NAS message.
  • FIG. 14 is a flowchart of a method for a network to request UE session information when a QoS flow is established according to an embodiment of the present invention. As shown in FIG. 14, the steps of the method include:
  • Step S1402 Application function (AF, Application Function) requests to request a resource of the session from the PCF/PCRF;
  • Step S1404 The PCF/PCRF sends the information of the QoS flow of the UE to the SMF according to the policy, and adds a new QoS flow.
  • the bearer information of the QoS flow mapped to the 4G access is also included;
  • Step S1406 The SMF/PGW-C updates the QoS flow information of the UPF/PGW-U to add a new QoS flow.
  • the PGW-C updates the bearer information on the PGW-U;
  • Step S1408 The SMF requests the base station to establish a radio resource of the session through the AMF.
  • the message sent by the SMF to the AMF carries the SM cell, and the MME includes the PDU session identifier, the QoS flow information of the session request, and the bearer information corresponding to the QoS flow of the UE when the 4G access is also brought to the AMF, where Also carries an indication requesting the assignment of a Bearer ID;
  • Step S1410 The AMF sends an N2-AP radio resource setup request message to the base station.
  • the information about the QoS flow received by the AMF, the corresponding bearer information of the UE when the 4G is accessed, and the indication for requesting the Bearer ID are allocated.
  • Steps S1412 and S1416 The base station allocates radio resources according to the received QoS information, and interacts with the terminal to establish a wireless dedicated bearer of the session.
  • the RRC message sent by the base station to the UE carries the information of the QoS flow received from the AMF and the information of the bearer corresponding to the UE when the 4G accesses, and an indication for requesting the allocation of the Bearer ID.
  • the UE allocates a Bearer ID and returns it to the base station;
  • Step S1414 the AMF may also send the QoS flow information and the bearer information corresponding to the UE when the 4G access, and the Bearer ID request indication is sent to the UE by using the NAS message;
  • Step S1418 The base station returns an N2-AP radio resource setup response message to the AMF, which carries the Bearer ID.
  • Step S1420 The AMF returns a radio resource setup response message to the SMF, which carries the Bearer ID;
  • Step S1422 the UE may also send the Bearer ID information to the SMF through the AMF by using the NAS message.
  • the embodiment of the invention further provides a storage medium.
  • the foregoing storage medium may be configured to store program code for performing the following steps:
  • S1 Obtain status information provided by the providing device, where the status information is used to indicate the usage status of the Bearer ID, and the Bearer ID is the bearer session identifier of the second network side, where the first network and the second network are different types of network systems;
  • the embodiment of the invention further provides a storage medium.
  • the foregoing storage medium may be configured to store program code for performing the following steps:
  • the first device in the first network sends a request message for requesting a Bearer ID corresponding to the QoS flow in the first network to the providing device, where the Bearer ID is a bearer session identifier of the second network side, where A network and a second network are different types of network systems;
  • the first device receiving providing device provides a Bearer ID for use only by the first device.
  • the foregoing storage medium may include, but not limited to, a USB flash drive, a Read-Only Memory (ROM), a Random Access Memory (RAM), a mobile hard disk, and a magnetic memory.
  • ROM Read-Only Memory
  • RAM Random Access Memory
  • a mobile hard disk e.g., a hard disk
  • magnetic memory e.g., a hard disk
  • modules or steps of the present invention described above can be implemented by a general-purpose computing device that can be centralized on a single computing device or distributed across a network of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device such that they may be stored in the storage device by the computing device and, in some cases, may be different from the order herein.
  • the steps shown or described are performed, or they are separately fabricated into individual integrated circuit modules, or a plurality of modules or steps thereof are fabricated as a single integrated circuit module.
  • the invention is not limited to any specific combination of hardware and software.
  • the technical solution of the embodiment of the present invention acquires the state information provided by the device by using the first device in the first network, and the first device determines the Bearer ID corresponding to the QoS flow in the first network, and obtains the update according to the determined Bearer ID.
  • the status information is obtained, so that the corresponding Bearer ID is determined for the QoS flow, and the problem of how to implement the Bearer session information of the target side for the QoS flow is not solved in the related technology 5G and 4G handover process, and the prior art is filled.
  • Whitespace the technical solution of the embodiment of the present invention acquires the state information provided by the device by using the first device in the first network, and the first device determines the Bearer ID corresponding to the QoS flow in the first network, and obtains the update according to the determined Bearer ID.
  • the status information is obtained, so that the corresponding Bearer ID is determined for the QoS flow, and the problem of how to implement the Bearer session information of the target side for the QoS flow is not solved

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Abstract

本发明实施例公开了一种网络系统中状态信息的处理方法、装置及存储介质,其中该网络系统中状态信息的处理方法包括:第一网络中的第一设备获取提供设备提供的状态信息,其中,状态信息用于指示Bearer ID的使用状态,Bearer ID为第二网络侧的承载会话标识,第一网络与第二网络是不同类型的网络系统;第一设备确定与第一网络中QoS flow对应的Bearer ID;第一设备根据确定的Bearer ID更新获取到的状态信息。

Description

网络系统中状态信息的处理方法、装置及存储介质
相关申请的交叉引用
本申请基于申请号为201710189253.1、申请日为2017年03月27日的中国专利申请提出,并要求该中国专利申请的优先权,该中国专利申请的全部内容在此以引入方式并入本申请。
技术领域
本发明涉及通信领域,具体而言,涉及一种网络系统中状态信息的处理方法、装置及存储介质。
背景技术
第三代合作计划(3GPP,3rd Generation Partnership Project)从R8开始制定第四代或称长期演进(LTE,Long Term Evolution)移动通信系统。图1是现有技术中分组核心网(EPC,Evolved Packet Core)网络架构示意图,如图1所示,网络架构中各网元的功能如下:
终端(UE,User Equipment),主要通过无线空口接入4G网络并获得服务,终端通过空口和基站交互信息,通过非接入层信令(NAS,Non-Access Stratum)和核心网的移动性管理实体交互信息。
基站(eNB),负责终端接入网络的空口资源调度和以及空口的连接管理。
移动管理实体:核心网控制面实体,主要负责对用户的鉴权、授权以及签约检查,用户移动性管理,分组数据网(PDN,Packet Data Network)连接以及承载的维护,用户IDLE(空闲)状态下触发寻呼等功能。
服务网关(S-GW,Serving Gate Way):核心网用户面功能实体,主要 负责漫游情况下和公共数据网(PDN,Public Data Network)网关(P-GW,PDN GW)的交互。
P-GW:核心网用户面功能实体,是终端接入PDN网络的接入点,负责分配用户IP地址,网络触发的承载建立、修改和删除,还具有服务质量(QoS,Quality of Service)控制计费等功能,是用户在3GPP系统内的锚点,从而保证IP地址不变,保证业务连续性。在控制与转发分离架构中,P-GW又分为2个部分,一个是控制实体PGW-C,一个是用户面实体PGW-U。PGW-C负责信令控制,PGW-U负责IP转发。
归属签约服务器(HSS,Home Subscription Server):存储了用户的签约信息。
策略控制与计费规则功能(PCRF,Policy and Charging Control Function),负责策略决策和计费规则的制定。PCRF提供了基于业务数据流的网络控制规则,这些网络控制包括业务数据流的检测、门控(Gating Control)、服务质量控制以及基于数据流的计费规则等。PCRF将其制定的策略和计费规则发送给P-GW执行。
3GPP从R14开始研究下一代通讯系统(NextGen System),下一代通讯系统能够支持演进的移动宽带(eMBB,Evolved Mobile Broadband)、超大连接机器通讯(mMTC,Massive Machine Type Communication)、超可靠机器通讯(uMTC,Ultra Reliable Machine Type Communication)三种业务类型,这三种业务类型具有不同的网络特性。图2是现有技术中下一代移动通信网络架构示意图,如图2所示,各网元的功能如下:
UE,主要通过下一代无线空口接入网络并获得服务,终端通过空口和基站交互信息,通过非接入层信令和核心网的公共控制面功能以及会话控制面功能交互信息。
下一代基站(gNB),负责终端接入网络的空口资源调度和以及空口的连 接管理。
会话控制面功能(SMF,Session Management Function),和终端交互,主要负责处理用户分组数据单元(PDU,Packet Data Unit)会话建立、修改和删除请求,选择用户面功能(UPF,User Plane function);建立UE到UPF之间的用户面连接;和策略控制功能(PCF,Policy Control Function)一起确定会话的服务质量(QoS,Quality of Service)参数等功能。
接入与移动性管理功能(AMF,Access and Mobility control Function):是核心网内的公共控制面功能。一个用户只有一个AMF,其负责对用户的鉴权、授权以及签约检查以保证用户是合法用户;用户移动性管理,包括位置注册和临时标识分配;当用户发起PDU连接建立请求的时候,选择合适的SMF;转发UE和SMF之间的非接入层信令;转发基站和SMF之间的接入层(AS,Access Stratum)信令。
UPF:提供用户面处理功能,包括数据转发、QoS执行。UPF还提供用户移动时候的用户面锚点,保证业务连续性。
PCF:与4G网络的PCRF类似。
签约数据管理功能(SDM,Subscription Data management):存储了用户的签约数据,其和4G网络的HSS类似。
NextGen System(5G)的部署,开始会在热点地区局部部署,如市中心,商业中心等。当UE接入5G系统中,随着用户的移动,移除了5G系统的覆盖范围,必须要解决如何无缝的切换到4G系统中,否则会话会产生中断。
图3是现有技术中4G与5G切换架构示意图,如图3所示,是一个满足4G<-->5G双向切换的网络架构。其核心特点是该架构同时兼容4G和5G架构。其核心特点是PGW-C和SMF合一,PGW-U和UPF合一,PCF和PCRF合一,UE的用户面始终锚定在UPF/PGW-U上。在AMF和MME 之间,增加Nx接口,在该接口上发送跨系统间切换请求。这样UE在LTE和5G之间切换时,能够保证无缝切换。
当4G系统中,UE和网络建立PDN connection。每个PDN Connection内可以建立多个承载(Bearer),每个承载代表了对应的业务流(Service flows)及其QoS参数。MME会为每个Bearer分配一个承载标识(Bearer ID),并且在建立Bearer的过程中发送给UE。对于默认承载(default bearer),是在建立PDN connection过程中把Bearer ID发送给UE,对于专用承载(dedicated bearer),是在建立dedicated bearer过程中把Bearer ID发送给UE。
在5G系统中,则采用QoS flow的概念,每个QoS flow也代表了对应的业务流(Service flows),包括对应的QoS profile和分组过滤器(packet filter)。每个QoS flow也有对应的Qos flow ID(QFI);
在从5G到4G切换过程中,对于在切换过程中切换过去的QoS flow,到了4G系统变换成对应的Bearer。那么,需要在5G系统中Qos flow的建立过程中,对于那些在切换过程中需要切换过去的QoS flow预先分配目标侧(4G系统)的Bearer会话信息,如Bearer ID等;但在相关技术的5G与4G切换过程中,不存在如何实现为QoS flow预先分配目标侧的Bearer会话信息。
发明内容
本发明实施例提供了一种网络系统中状态信息的处理方法、装置及存储介质,以至少解决相关技术5G与4G切换过程中,不存在如何实现为QoS flow预先分配目标侧的Bearer会话信息的问题。
根据本发明实施例的一个方面,提供了一种网络系统中状态信息的处理方法,包括:第一网络中的第一设备获取提供设备提供的状态信息,其中,所述状态信息用于指示承载标识Bearer ID的使用状态,所述Bearer ID 为第二网络侧的承载会话标识,所述第一网络与所述第二网络是不同类型的网络系统;所述第一设备确定与所述第一网络中QoS flow对应的Bearer ID;所述第一设备根据确定的Bearer ID更新获取到的状态信息。
在一实施例中,在所述提供设备为UE的情况下,所述第一网络中的第一设备获取提供设备提供的状态信息包括:所述第一设备向所述UE发送用于请求所述状态信息的请求消息;所述第一设备接收所述UE提供的所述状态信息。
在一实施例中,在所述提供设备为所述第一网络中的第二设备的情况下,所述第一网络中的第一设备获取提供设备提供的状态信息包括:所述第一设备接收所述第二设备主动提供的所述状态信息;或,所述第一设备向所述第二设备发送用于请求所述状态信息的请求消息,所述第一设备接收所述第二设备提供的所述状态信息;其中,所述第一设备与第二设备为不同类型的设备。
在一实施例中,在所述第一设备根据确定的Bearer ID更新获取到的状态信息之后,所述方法还包括:所述第一设备向所述提供设备发送更新后的状态信息;在所述提供设备确定收到的所述更新后的状态信息不是根据所述提供设备当前最新保存的状态信息所做的更新的情况下,所述第一设备再次获取所述提供设备当前最新保存的状态信息;所述第一设备再次确定与所述第一网络中QoS flow对应的Bearer ID;所述第一设备根据再次确定的Bearer ID更新获取到的状态信息。
在一实施例中,在所述第一设备根据确定的Bearer ID更新获取到的状态信息之后,所述方法还包括:所述第一设备将更新后的状态信息发送给所述提供设备用于存储。
在一实施例中,在所述第一设备根据确定的Bearer ID更新获取到的状态信息之后,所述方法还包括:所述第一设备向UE发送确定的Bearer ID。
在一实施例中,在第一网络中的第一设备获取提供设备提供的状态信息后,且所述提供设备未收到所述第一设备发送的更新后的状态信息之前,所述提供设备禁止再次发送未更新前的所述状态信息。
在一实施例中,所述第一网络为5G网络,所述第二网络为4G网络。
在一实施例中,所述第一设备为SMF,所述第二设备为AMF。
根据本发明实施例的另一个方面,提供了一种网络系统中状态信息的处理方法,包括:第一网络中的第一设备向提供设备发送用于请求与所述第一网络中服务质量流QoS flow对应的第二网络承载的Bearer ID的请求消息,其中,所述Bearer ID为第二网络侧的承载会话标识,所述第一网络与所述第二网络是不同类型的网络系统;所述第一设备接收所述提供设备提供仅供所述第一设备使用的Bearer ID。
在一实施例中,所述第一网络为5G网络,所述第二网络为4G网络。
在一实施例中,所述第一设备为SMF。
在一实施例中,所述提供设备包括:UE,或AMF。
在一实施例中,在所述第一设备接收所述提供设备提供仅供所述第一设备使用的Bearer ID之后,所述方法还包括:所述第一设备向UE发送与所述第一网络中QoS flow对应的Bearer ID。
根据本发明实施例的又一个方面,提供了一种网络系统中状态信息的处理方法,包括:提供设备接收第一网络中的第一设备发送的用于请求与所述第一网络中QoS flow对应的第二网络承载的Bearer ID的请求消息,其中,所述Bearer ID为第二网络侧的承载会话标识,所述第一网络与所述第二网络是不同类型的网络系统;所述提供设备向所述第一设备提供仅供所述第一设备使用的Bearer ID。
在一实施例中,所述提供设备包括:UE,或AMF。
根据本发明实施例的又一个方面,提供了一种网络系统中状态信息的 处理装置,该装置应用于第一网络中的第一设备侧,包括:第一获取模块,配置为获取提供设备提供的状态信息,其中,所述状态信息用于指示Bearer ID的使用状态,所述Bearer ID为第二网络侧的承载会话标识,所述第一网络与所述第二网络是不同类型的网络系统;第一确定模块,配置为确定与所述第一网络中QoS flow对应的Bearer ID;第一更新模块,配置为根据所述第一确定模块确定的Bearer ID更新获取到的状态信息。
在一实施例中,在所述提供设备为UE的情况下,所述第一获取模块包括:第一发送单元,配置为向所述UE发送用于请求所述状态信息的请求消息;第一接收单元,配置为接收所述UE提供的所述状态信息。
在一实施例中,在所述提供设备为所述第一网络中的第二设备的情况下,所述第一获取模块包括:第二接收单元,配置为接收所述第二设备主动提供的所述状态信息;或者所述第一获取模块包括:第二发送单元,配置为向所述第二设备发送用于请求所述状态信息的请求消息;第三接收单元,配置为接收所述第二设备提供的所述状态信息;其中,所述第一设备与第二设备为不同类型的设备。
在一实施例中,所述装置还包括:第一发送模块,配置为在所述第一更新模块根据确定的Bearer ID更新获取到的状态信息之后,向所述提供设备发送更新后的状态信息;第二获取模块,配置为在所述提供设备确定,
收到的所述更新后的状态信息不是根据所述提供设备当前最新保存的状态信息所做的更新的情况下,再次获取所述提供设备当前最新保存的状态信息;第二确定模块,配置为再次确定与所述第一网络中QoS flow对应的Bearer ID;第二更新模块,配置为根据再次确定的Bearer ID更新获取到的状态信息。
在一实施例中,所述装置还包括:第二发送模块,配置为在所述第一更新模块根据确定的Bearer ID更新获取到的状态信息之后,将更新后的状 态信息发送给所述提供设备用于存储。
在一实施例中,所述装置还包括:第三发送模块,配置为向UE发送确定的Bearer ID。
在一实施例中,在第一获取模块获取提供设备提供的状态信息后,且所述提供设备未收到所述第一设备发送的更新后的状态信息之前,所述提供设备禁止再次发送未更新前的所述状态信息。
在一实施例中,所述第一网络为5G网络,所述第二网络为4G网络。
在一实施例中,所述第一设备为SMF,所述第二设备为AMF。
根据本发明实施例的又一个方面,提供了一种网络系统中状态信息的处理装置,应用于第一网络中的第一设备侧,包括:第四发送模块,配置为向提供设备发送用于请求与所述第一网络中QoS flow对应的Bearer ID的请求消息,其中,所述Bearer ID为第二网络侧的承载会话标识,所述第一网络与所述第二网络是不同类型的网络系统;第一接收模块,配置为接收所述提供设备提供仅供所述第一设备使用的Bearer ID。
在一实施例中,所述第一网络为5G网络,所述第二网络为4G网络。
在一实施例中,所述第一设备为SMF。
在一实施例中,所述提供设备包括:UE,或AMF。
在一实施例中,所述装置还包括:第五发送模块,配置为在所述第一接收模块接收所述提供设备提供的仅供所述第一设备使用的Bearer ID之后,向UE发送与所述第一网络中QoS flow对应的Bearer ID。
根据本发明实施例的又一个方面,提供了一种网络系统中状态信息的处理装置,应用于提供设备侧,包括:第二接收模块,配置为接收第一网络中的第一设备发送的用于请求与所述第一网络中QoS flow对应的第二网络承载的Bearer ID的请求消息,其中,所述Bearer ID为第二网络侧的承载会话标识,所述第一网络与所述第二网络是不同类型的网络系统;提供 模块,配置为向所述第一设备提供仅供所述第一设备使用的Bearer ID。
在一实施例中,所述提供设备包括:UE,或AMF。
根据本发明实施例的又一个方面,提供了一种存储介质,所述存储介质包括存储的程序,其中,所述程序运行时执行上述一种网络系统中状态信息的处理方法任一项所述的方法。
根据本发明实施例的又一个方面,提供了一种处理器,所述处理器用于运行程序,其中,所述程序运行时执行上述一种网络系统中状态信息的处理方法中任一项所述的方法。
通过本实施例的技术方案,第一网络中的第一设备获取提供设备提供的状态信息,进而该第一设备确定与第一网络中QoS flow对应的Bearer ID,以及根据确定的Bearer ID更新获取到的状态信息,从而为QoS flow确定了对应的Bearer ID,解决了相关技术5G与4G切换过程中,不存在如何实现为QoS flow预先分配目标侧的Bearer会话信息的问题,填补了现有技术的空白。
附图说明
此处所说明的附图用来提供对本发明的进一步理解,构成本申请的一部分,本发明的示意性实施例及其说明用于解释本发明,并不构成对本发明的不当限定。在附图中:
图1是现有技术中分组核心网网络架构示意图;
图2是现有技术中下一代移动通信网络架构示意图;
图3是现有技术中4G与5G切换架构示意图;
图4是根据本发明实施例的网络系统中状态信息的处理方法的流程图一;
图5是根据本发明实施例网络请求保存在UE上的状态信息的方法流程图;
图6是根据本发明实施例的网络请求保存在AMF上Bearer ID状态信息的方法流程图;
图7是根据本发明实施例中状态信息如何避免并发问题的方法流程图;
图8是根据本发明实施例的网络系统中状态信息的处理方法的流程图二;
图9是根据本发明实施例中网络请求UE会话信息的方法流程图;
图10是根据本发明实施例中网络请求AMF会话信息的方法流程图;
图11是根据本发明实施例的网络系统中状态信息的处理装置的结构框图一;
图12是根据本发明实施例的网络系统中状态信息的处理装置的结构框图二;
图13是根据本发明实施例中PDU会话建立时网络请求UE会话信息的方法流程图;
图14是根据本发明实施例中QoS flow建立时网络请求UE会话信息的方法流程图。
具体实施方式
下文中将参考附图并结合实施例来详细说明本发明。需要说明的是,在不冲突的情况下,本申请中的实施例及实施例中的特征可以相互组合。此外,本发明的说明书和权利要求书及上述附图中的术语“第一”、“第二”等是用于区别类似的对象,而不必用于描述特定的顺序或先后次序。
实施例1
在本实施例中提供了一种网络系统中状态信息的处理方法,图4是根据本发明实施例的网络系统中状态信息的处理方法的流程图一,如图4所示,该流程包括如下步骤:
步骤S402,第一网络中的第一设备获取提供设备提供的状态信息,其中,状态信息用于指示承载标识(Bearer ID)的使用状态,Bearer ID为第二网络侧的承载会话标识,第一网络与第二网络是不同类型的网络系统;
步骤S404,第一设备确定与第一网络中服务质量流(QoS flow)对应的Bearer ID;
步骤S406,第一设备根据确定的Bearer ID更新获取到的状态信息。
通过本实施例的上述步骤S402至步骤S406,第一网络中的第一设备获取提供设备提供的状态信息,进而该第一设备确定与第一网络中QoS flow对应的Bearer ID,以及根据确定的Bearer ID更新获取到的状态信息,从而为QoS flow确定了对应的Bearer ID,解决了相关技术5G与4G切换过程中,不存在如何实现为QoS flow预先分配目标侧的Bearer会话信息的问题,填补了现有技术的空白。
需要说明的是,本实施例中涉及到的提供设备包括:UE和第一网络中的第二设备。
对于第一种情况:在提供设备为UE的情况下,本实施例步骤S402中第一网络中的第一设备获取提供设备提供的状态信息的方式包括:
步骤S402-1:第一设备向UE发送用于请求状态信息的请求消息;
步骤S402-2:第一设备接收UE提供的状态信息。
对于第二种情况:在提供设备为第一网络中的第二设备的情况下,本实施例步骤S402中第一网络中的第一设备获取提供设备提供的状态信息的方式包括:
步骤S402-3:第一设备接收第二设备主动提供的状态信息;或,
步骤S402-4:第一设备向第二设备发送用于请求状态信息的请求消息,第一设备接收第二设备提供的状态信息;其中,第一设备与第二设备为不同类型的设备。
需要说明的是,本实施例中涉及到的第一网络可选为5G网络,第二网络可选为4G网络。基于此,本实施例中的第一设备可选为SMF,第二设备可选为AMF。
基于上述第一网络可选为5G网络,第二网络可选为4G网络,对于上述提供设备的两种情况,在本实施例的具体应用场景中可以是:
图5是根据本发明实施例网络请求保存在UE上的状态信息的方法流程图,如图5所示,该方法的步骤包括:
步骤S502,UE生成初始的(也就是所有Bearer ID都是可用的)Bearer会话状态信息(对应于上述步骤S402至步骤S406中的状态信息)。
步骤S504,在建立PDU会话(session),或者建立dedicated QoS flow的过程中,SMF请求与QoS flow对应的Bearer会话状态信息,该请求到达UE。
步骤S506,UE提供Bearer会话状态信息,该信息通过AMF到达SMF。
步骤S508,SMF确定QoS flow对应的Bearer ID,并更新Bearer会话状态信息。
步骤S510,SMF将确定的Bearer ID,以及更新后的Bearer会话状态信息发送给UE。
步骤S512,UE保存QoS flow对应的Bearer ID,以及更新后的Bearer会话状态信息。
图6是根据本发明实施例的网络请求保存在AMF上Bearer ID状态信息的方法流程图,如图6所示,该方法的步骤包括:
步骤S602,UE发送附着(attach)请求给AMF;
步骤S604,AMF生成初始的Bearer会话状态信息;
步骤S606,在PDU会话(session)或者dedicated Qos flow建立过程中,SMF请求与QoS flow对应的Bearer会话状态信息,该请求到达AMF;
步骤S608,AMF提供Bearer会话状态信息给SMF;
步骤S610,SMF确定Bearer ID,并更新Bearer会话状态信息;
步骤S612,SMF将确定的Bearer ID,以及更新后的Bearer会话状态信息发送给AMF;
步骤S614,AMF保存更新后的Bearer会话状态信息;
步骤S616,AMF把QoS flow对应的Bearer ID发送给UE。
需要说明的是,Bearer ID状态信息(对应于上述实施例中的状态信息)有多种实现方式,如用比特图(Bit map)。Bit map可以是16bit的字节(2个byte),初始化时,每个bit都为0。每个bit位对应一个Bearer ID,当某个bit为1,表示该Bearer ID已经被分配;或者是一个可用的Bearer ID的集合。
对于上述两种情况,在实施例中存在Bearer ID不唯一的情况,为了解决上述问题,本实施例还提供了以下实施方式:
步骤S408:在第一设备根据确定的Bearer ID更新获取到的状态信息之后,第一设备向提供设备发送更新后的状态信息;
步骤S410:在提供设备确定收到的更新后的状态信息不是根据提供设备当前最新保存的状态信息所做的更新的情况下,第一设备再次获取提供设备当前最新保存的状态信息;
步骤S412:第一设备再次确定与第一网络中QoS flow对应的Bearer ID;
步骤S414:第一设备根据再次确定的Bearer ID更新获取到的状态信息。
对于上述步骤S408至步骤S414,在本实施例的具体实施方式中可以是:
当不同的SMF同时分配Bearer ID,仍旧导致Bearer ID信息冲突的可能性,图7是根据本发明实施例中状态信息如何避免并发问题的方法流程 图,如图7所示,该方法的步骤包括:
步骤S702,状态信息的提供设备(如AMF或UE)把“状态信息a”发给了SMF-A和SMF-B;
步骤S704,SMF-B根据收到的状态信息a,确定Bearer ID,更新状态信息确定状态信息b;
步骤S706,SMF-B把Bearer ID和状态信息b发给状态信息的提供设备(如AMF或UE);
步骤S708,状态信息的提供设备保存收到的状态信息b;
步骤S710,SMF-A根据收到的状态信息a,确定Bearer ID,更新状态信息确定状态信息c,并把Bearer ID和状态信息c发给状态信息的提供设备(如AMF或UE);
步骤S712,状态信息的提供设备判断发现,SMF-A不是使用当前保存的Bearer状态信息b确定的状态信息c。如在收到状态信息b步骤S706之后和S708之间,它没有向SMF-A发送给状态信息b。状态信息的提供设备向SMF-A发送新的Bearer状态信息b给SMF-A
步骤S714,SMF-A根据收到的新的状态信息b,确定Bearer ID,更新状态信息确定状态信息d,
步骤S716,SMF-A把Bearer ID和状态信息d发给状态信息的提供设备(如AMF或UE);
步骤S718,状态信息的提供设备保存新的状态信息d;
当状态信息的提供设备是AMF的时候,AMF还需要向UE发送SMF确定的对应QoS flow的Bearer ID。
对于Bearer ID冲突的问题,在本实施例中还可以通过其他方式来处理:在第一网络中的第一设备获取提供设备提供的状态信息后,且提供设备未收到第一设备发送的更新后的状态信息之前,提供设备禁止再次发送未更 新前的状态信息。
在本实施例的另一个可选实施方式中,本实施例的方法还包括方法还包括:
在第一设备根据确定的Bearer ID更新获取到的状态信息之后,第一设备将更新后的状态信息发送给提供设备用于存储。
以及,在第一设备根据确定的Bearer ID更新获取到的状态信息之后,第一设备向UE发送确定的Bearer ID。
对于本实施例1中网络系统中状态信息的处理方法,本发明还提供了一种存储介质,该存储介质包括存储的程序,其中,程序运行时执行上述实施例1中网络系统中状态信息的处理方法任一项所述的方法。
对于本实施例1中网络系统中状态信息的处理方法,提供了一种处理器,处理器用于运行程序,其中,程序运行时执行上述实施例1中网络系统中状态信息的处理方法中任一项所述的方法。
实施例2
在本实施例中提供了一种网络系统中状态信息的处理方法,图8是根据本发明实施例的网络系统中状态信息的处理方法的流程图二,如图8所示,该流程包括如下步骤:
步骤S802:第一网络中的第一设备向提供设备发送用于请求与第一网络中QoS flow对应的Bearer ID的请求消息,其中,Bearer ID为第二网络侧的承载会话标识,第一网络与第二网络是不同类型的网络系统;
步骤S804:第一设备接收提供设备提供仅供第一设备使用的Bearer ID。
通过本实施例的上述步骤S802至步骤S804,第一网络中的第一设备向提供设备发送用于请求与第一网络中QoS flow对应的Bearer ID的请求消息,进而第一设备接收提供设备提供仅供第一设备使用的Bearer ID,从而为QoS flow确定了对应的Bearer ID,解决了相关技术5G与4G切换过程 中,不存在如何实现为QoS flow预先分配目标侧的bearer会话信息的问题,填补了现有技术的空白。
需要说明的是,在本实施例中,第一网络可选为5G网络,第二网络可选为4G网络,基于此,第一设备为会话控制面功能SMF。
此外,在本实施例中提供设备包括:UE,或AMF。
在本实施例的另一个可选实施方式中,本实施例的方法还包括:在第一设备接收提供设备提供仅供第一设备使用的Bearer ID之后,第一设备向UE发送与第一网络中服务质量流QoS flow对应的Bearer ID。
基于上述描述,在本实施例的具体应用场景中,步骤S802至步骤S804可以是:
图9是根据本发明网络请求UE会话信息的方法流程图,如图9所示,该方法的步骤包括:
步骤S902:PDU session或者dedicated Qos flow建立过程中,SMF向UE请求会话Qos flow对应的Bearer信息;
步骤S904:UE生成唯一Bearer会话信息(Bearer ID);
步骤S906:UE返回Bearer会话信息(Bearer ID)给SMF;
图10是根据本发明网络请求AMF会话信息的方法流程图,如图10所示,该方法的步骤包括:
步骤S1002,PDU session或者dedicated Qos flow建立过程中,SMF向AMF请求UE的Qos flow对应的Bearer信息;
步骤S1004,AMF生成唯一Bearer会话信息(bearer ID)
步骤S1006,AMF返回Bearer会话信息(Bearer ID)给SMF。
对于本实施例2中网络系统中状态信息的处理方法,本发明还提供了一种存储介质,该存储介质包括存储的程序,其中,程序运行时执行上述实施例1中网络系统中状态信息的处理方法任一项所述的方法。
对于本实施例2中网络系统中状态信息的处理方法,提供了一种处理器,处理器用于运行程序,其中,程序运行时执行上述实施例1中网络系统中状态信息的处理方法中任一项所述的方法。
另外,上述方式是从第一网络中的第一设备的角度进行描述的,而从提供设备角度进行描述时,本实施例的方法包括:提供设备接收第一网络中的第一设备发送的用于请求与第一网络中服务质量流QoS flow对应的第二网络承载的Bearer ID的请求消息,其中,Bearer ID为第二网络侧的承载会话标识,第一网络与第二网络是不同类型的网络系统;提供设备向第一设备提供仅供第一设备使用的Bearer ID。
对于从提供设备角度进行描述的网络系统中状态信息的处理方法,本发明还提供了一种存储介质,该存储介质包括存储的程序,其中,程序运行时执行上述网络系统中状态信息的处理方法任一项所述的方法。
对于从提供设备角度进行描述的网络系统中状态信息的处理方法,提供了一种处理器,处理器用于运行程序,其中,程序运行时执行上述中网络系统中状态信息的处理方法中任一项所述的方法。
通过以上的实施方式的描述,本领域的技术人员可以清楚地了解到根据上述实施例的方法可借助软件加必需的通用硬件平台的方式来实现,当然也可以通过硬件,但很多情况下前者是更佳的实施方式。基于这样的理解,本发明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(如ROM/RAM、磁碟、光盘)中,包括若干指令用以使得一台终端设备(可以是手机,计算机,服务器,或者网络设备等)执行本发明各个实施例的方法。
实施例3
在本实施例中还提供了一种网络系统中状态信息的处理装置,该装置 用于实现上述实施例及优选实施方式,已经进行过说明的不再赘述。如以下所使用的,术语“模块”可以实现预定功能的软件和/或硬件的组合。尽管以下实施例所描述的装置较佳地以软件来实现,但是硬件,或者软件和硬件的组合的实现也是可能并被构想的。
图11是根据本发明实施例的网络系统中状态信息的处理装置的结构框图一,该装置应用于第一网络中的第一设备侧,如图11所示,该装置包括:
第一获取模块112,配置为获取提供设备提供的状态信息,其中,状态信息用于指示Bearer ID的使用状态,Bearer ID为第二网络侧的承载会话标识,第一网络与第二网络是不同类型的网络系统;
第一确定模块114,与第一获取模块112耦合连接,配置为确定与第一网络中QoS flow对应的Bearer ID;
第一更新模块116,与第一确定模块114耦合连接,配置为根据所述第一确定模块114确定的Bearer ID更新获取到的状态信息。
在一实施例中,在提供设备为UE的情况下,第一获取模块包括:第一发送单元,配置为向UE发送用于请求状态信息的请求消息;第一接收单元,与第一发送单元耦合连接,配置为接收UE提供的状态信息。
在一实施例中,在提供设备为第一网络中的第二设备的情况下,第一获取模块包括:第二接收单元,配置为接收第二设备主动提供的状态信息;或者所述第一获取模块包括:第二发送单元,配置为向第二设备发送用于请求状态信息的请求消息;第三接收单元,配置为接收第二设备提供的状态信息;其中,第一设备与第二设备为不同类型的设备。
在一实施例中,本实施例的装置还包括:第一发送模块,配置为在第一更新模块根据确定的Bearer ID更新获取到的状态信息之后,向提供设备发送更新后的状态信息;第二获取模块,与第一发送模块耦合连接,配置为在提供设备确定,收到的更新后的状态信息不是根据提供设备当前最新 保存的状态信息所做的更新的情况下,再次获取提供设备当前最新保存的状态信息;第二确定模块,与第二获取模块耦合连接,配置为再次确定与第一网络中QoS flow对应的Bearer ID;第二更新模块,与第二确定模块耦合连接,配置为根据再次确定的Bearer ID更新获取到的状态信息。
在一实施例中,本实施例的装置还包括:第二发送模块,配置为在第一更新模块根据确定的Bearer ID更新获取到的状态信息之后,将更新后的状态信息发送给提供设备用于存储。
在一实施例中,本实施例的装置还包括:第三发送模块,配置为在第一更新模块根据确定的Bearer ID更新获取到的状态信息之后,向用户设备UE发送确定的Bearer ID。
需要说明的是,在第一获取模块获取提供设备提供的状态信息后,且提供设备未收到第一设备发送的更新后的状态信息之前,提供设备禁止再次发送未更新前的状态信息。
需要说明的是,本实施例中涉及到的第一网络可选为5G网络,第二网络可选为4G网络。基于此,本实施例中的第一设备可选为SMF,第二设备可选为AMF。
实施例4
图12是根据本发明实施例的网络系统中状态信息的处理装置的结构框图二,该装置应用于第一网络中的第一设备侧,如图12所示,该装置包括:第四发送模块122,配置为向提供设备发送用于请求与第一网络中服务质量流QoS flow对应的Bearer ID的请求消息,其中,Bearer ID为第二网络侧的承载会话标识,第一网络与第二网络是不同类型的网络系统;第一接收模块124,与第四发送模块122耦合连接,配置为接收提供设备提供仅供第一设备使用的Bearer ID。
在一实施例中,第一网络为5G网络,第二网络为4G网络。第一设备 为SMF。提供设备包括:UE,或AMF。
在一实施例中,本实施例装置还可以包括:第五发送模块,配置为在第一接收模块接收提供设备提供的仅供第一设备使用的Bearer ID之后,向UE发送与第一网络中QoS flow对应的Bearer ID。
需要说明的是,上述各个模块是可以通过软件或硬件来实现的,对于后者,可以通过以下方式实现,但不限于此:上述模块均位于同一处理器中;或者,上述各个模块以任意组合的形式分别位于不同的处理器中。
上述是从第一网络中的第一设备侧进行描述的,下面从提供设备侧进行描述,该装置包括:第二接收模块,配置为接收第一网络中的第一设备发送的用于请求与所述第一网络中QoS flow对应的第二网络承载的Bearer ID的请求消息,其中,所述Bearer ID为第二网络侧的承载会话标识,所述第一网络与所述第二网络是不同类型的网络系统;提供模块,与第二接收模块耦合连接,配置为向所述第一设备提供仅供所述第一设备使用的Bearer ID。
下面结合本发明的具体实施例对本发明实施例进行举例说明;
实施例5
图13是根据本发明实施例中PDU会话建立时网络请求UE会话信息的方法流程图,如图13所示,该方法的步骤包括:
步骤S1302,终端确定发起新的PDU会话,于是发起PDU会话建立请求,UE向AMF发送的移动性NAS消息,其中包含UE向SMF发送的会话NAS消息信元。会话NAS消息信元中带有新请求会话的PDU会话类型、选择的SSC模式等,以及支持5G和4G IWK的指示;
步骤S1304,AMF收到并解析移动性NAS消息,根据其中信息选择合适的SMF(也就是本发明实施例中的SMF/PGW-C),并保存PDU会话标识和选择的SMF之间的对应关系。AMF将会话NAS消息、数据网名字以 及用户标识、PDU会话标识一起转发给选择的SMF;
步骤S1306,SMF从SDM获得用户的签约数据;
步骤S1308,SMF检查用户签约,判断是否允许该PDU会话请求,并确定该PDU会话预授权的QoS信息,其中包含了UE在4G接入时的缺省承载的信息(包含QoS)。可选的SMF还可能和PCF协商以确定该PDU会话所需要的default QoS信息,以及4G接入时的缺省承载的信息(包含QoS);
步骤S1310,SMF根据会话信息,选择合适的UPF,并向选择的UPF发送N4会话建立请求,消息请求中带有请求的QoS等信息,其中至少包括QoS流标签以及对应的上下行流模板。UPF建立N4会话相关上下文,保存QoS信息,UPF分配该会话的N3隧道上行隧道标识,并向SMF返回N4会话建立响应,其中带有UPF分配的N3隧道上行隧道标识;
步骤S1312,SMF获取UPF分配的隧道标识,并通过AMF向基站请求建立该会话的无线资源。SMF向AMF发送的消息中带有SM信元,信元中包括PDU会话标识、该会话请求的QoS信息和UPF为该会话分配的N3隧道上行隧道标识。此外,SMF把default QoS flow的信息和UE在4G接入时的缺省承载的信息也带给AMF,其中还携带了请求分配Bearer ID的指示;
步骤S1312,AMF向基站发送N2-AP无线资源建立请求消息。其中包含AMF收到的default QoS flow的信息和UE在4G接入时的缺省承载的信息,以及请求分配Bearer ID的指示;
步骤S1316和S1318,基站根据收到QoS信息分配无线资源,并和终端交互,建立该会话的无线专用承载。在基站发送给UE的RRC消息中,携带了从AMF收到的default QoS flow的信息和UE在4G接入时的缺省承载的信息,以及请求分配Bearer ID的指示。UE分配Bearer ID,在返回给 基站。基站分配N3隧道下行隧道标识;
需要说明的是,AMF也可以把default QoS flow的信息和UE在4G接入时的缺省承载的信息,Bearer ID请求信息通过NAS消息发给UE;
步骤S1320,基站向AMF返回N2-AP无线资源建立响应消息,其中带有基站分配的N3隧道下行隧道标识,以及Bearer ID;
步骤S1320,AMF向SMF返回消息,其中带有基站分配的N3隧道下行隧道标识,以及Bearer ID;
步骤S1324,SMF向UPF发送N4会话更新请求,将基站分配的N3隧道下行隧道标识发送给UPF;
步骤S1326,UE也可以把Bearer ID信息用NAS消息,通过AMF发给SMF。
实施例6
图14是根据本发明实施例中QoS flow建立时网络请求UE会话信息的方法流程图,如图14所示,该方法的步骤包括:
步骤S1402:应用功能(AF,Application Function)请求向PCF/PCRF请求会话的资源;
步骤S1404:PCF/PCRF根据策略,向SMF发送UE的QoS flow的信息,增加新的QoS flow。其中还包含了该QoS flow映射到4G接入时的承载信息;
步骤S1406:SMF/PGW-C更新UPF/PGW-U的QoS flow信息,增加新的QoS flow。其中,PGW-C更新PGW-U上的承载信息;
步骤S1408:SMF通过AMF向基站请求建立该会话的无线资源。SMF向AMF发送的消息中带有SM信元,信元中包括PDU会话标识、该会话请求的QoS flow信息,和UE在4G接入时的该QoS flow对应的承载信息也带给AMF,其中还携带了请求分配Bearer ID的指示;
步骤S1410:AMF向基站发送N2-AP无线资源建立请求消息。其中包含AMF收到的QoS flow的信息,以及UE在4G接入时的对应的承载信息,以及请求分配Bearer ID的指示;
步骤S1412和S1416:基站根据收到QoS信息分配无线资源,并和终端交互,建立该会话的无线专用承载。在基站发送给UE的RRC消息中,携带了从AMF收到的QoS flow的信息和UE在4G接入时对应的承载的信息,以及请求分配Bearer ID的指示。UE分配Bearer ID,在返回给基站;
步骤S1414,AMF也可以把QoS flow的信息和UE在4G接入时对应的承载的信息,Bearer ID请求指示通过NAS消息发给UE;
步骤S1418:基站向AMF返回N2-AP无线资源建立响应消息,其携带了Bearer ID;
步骤S1420:AMF向SMF返回无线资源建立响应消息,其携带了Bearer ID;
步骤S1422:可选的,UE也可以把Bearer ID信息用NAS消息,通过AMF发给SMF。
本发明实施例还提供了一种存储介质。可选地,在本实施例中,上述存储介质可以被设置为存储用于执行以下步骤的程序代码:
S1,获取提供设备提供的状态信息,其中,状态信息用于指示Bearer ID的使用状态,Bearer ID为第二网络侧的承载会话标识,第一网络与第二网络是不同类型的网络系统;
S2,确定与第一网络中QoS flow对应的Bearer ID;
S3,根据确定的Bearer ID更新获取到的状态信息。
本发明实施例还提供了一种存储介质。可选地,在本实施例中,上述存储介质可以被设置为存储用于执行以下步骤的程序代码:
S1,第一网络中的第一设备向提供设备发送用于请求与第一网络中服 务质量流QoS flow对应的Bearer ID的请求消息,其中,Bearer ID为第二网络侧的承载会话标识,第一网络与第二网络是不同类型的网络系统;
S2,第一设备接收提供设备提供仅供第一设备使用的Bearer ID。
可选地,在本实施例中,上述存储介质可以包括但不限于:U盘、只读存储器(ROM,Read-Only Memory)、随机存取存储器(RAM,Random Access Memory)、移动硬盘、磁碟或者光盘等各种可以存储程序代码的介质。
可选地,本实施例中的具体示例可以参考上述实施例及可选实施方式中所描述的示例,本实施例在此不再赘述。
显然,本领域的技术人员应该明白,上述的本发明的各模块或各步骤可以用通用的计算装置来实现,它们可以集中在单个的计算装置上,或者分布在多个计算装置所组成的网络上,可选地,它们可以用计算装置可执行的程序代码来实现,从而,可以将它们存储在存储装置中由计算装置来执行,并且在某些情况下,可以以不同于此处的顺序执行所示出或描述的步骤,或者将它们分别制作成各个集成电路模块,或者将它们中的多个模块或步骤制作成单个集成电路模块来实现。这样,本发明不限制于任何特定的硬件和软件结合。
以上仅为本发明的优选实施例而已,并不用于限制本发明,对于本领域的技术人员来说,本发明以有各种更改和变化。凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。
工业实用性
本发明实施例的技术方案通过第一网络中的第一设备获取提供设备提供的状态信息,进而该第一设备确定与第一网络中QoS flow对应的Bearer  ID,以及根据确定的Bearer ID更新获取到的状态信息,从而为QoS flow确定了对应的Bearer ID,解决了相关技术5G与4G切换过程中,不存在如何实现为QoS flow预先分配目标侧的Bearer会话信息的问题,填补了现有技术的空白。

Claims (38)

  1. 一种网络系统中状态信息的处理方法,包括:
    第一网络中的第一设备获取提供设备提供的状态信息,其中,所述状态信息用于指示承载标识Bearer ID的使用状态,所述Bearer ID为第二网络侧的承载会话标识,所述第一网络与所述第二网络是不同类型的网络系统;
    所述第一设备确定与所述第一网络中QoS flow对应的Bearer ID;
    所述第一设备根据确定的Bearer ID更新获取到的状态信息。
  2. 根据权利要求1所述的方法,其中,在所述提供设备为用户设备UE的情况下,所述第一网络中的第一设备获取提供设备提供的状态信息包括:
    所述第一设备向所述UE发送用于请求所述状态信息的请求消息;
    所述第一设备接收所述UE提供的所述状态信息。
  3. 根据权利要求1所述的方法,其中,在所述提供设备为所述第一网络中的第二设备的情况下,所述第一网络中的第一设备获取提供设备提供的状态信息包括:
    所述第一设备接收所述第二设备主动提供的所述状态信息;或,
    所述第一设备向所述第二设备发送用于请求所述状态信息的请求消息,所述第一设备接收所述第二设备提供的所述状态信息;
    其中,所述第一设备与第二设备为不同类型的设备。
  4. 根据权利要求1-3任一项所述的方法,其中,在所述第一设备根据确定的Bearer ID更新获取到的状态信息之后,所述方法还包括:
    所述第一设备向所述提供设备发送更新后的状态信息;
    在所述提供设备确定收到的所述更新后的状态信息不是根据所述提供设备当前最新保存的状态信息所做的更新的情况下,所述第一设备再次获取所述提供设备当前最新保存的状态信息;
    所述第一设备再次确定与所述第一网络中QoS flow对应的Bearer ID;
    所述第一设备根据再次确定的Bearer ID更新获取到的状态信息。
  5. 根据权利要求1所述的方法,其中,在所述第一设备根据确定的Bearer ID更新获取到的状态信息之后,所述方法还包括:
    所述第一设备将更新后的状态信息发送给所述提供设备用于存储。
  6. 根据权利要求1所述的方法,其中,在所述第一设备根据确定的Bearer ID更新获取到的状态信息之后,所述方法还包括:
    所述第一设备向用户设备UE发送确定的Bearer ID。
  7. 根据权利要求1所述的方法,其中,在第一网络中的第一设备获取提供设备提供的状态信息后,且所述提供设备未收到所述第一设备发送的更新后的状态信息之前,所述提供设备禁止再次发送未更新前的所述状态信息。
  8. 根据权利要求1所述的方法,其中,所述第一网络为5G网络,所述第二网络为4G网络。
  9. 根据权利要求3所述的方法,其中,所述第一设备为会话控制面功能SMF,所述第二设备为接入与移动性管理功能AMF。
  10. 一种网络系统中状态信息的处理方法,包括:
    第一网络中的第一设备向提供设备发送用于请求与所述第一网络中服务质量流QoS flow对应的第二网络承载的Bearer ID的请求消息,其中,所述Bearer ID为第二网络侧的承载会话标识,所述第一网络与所述第二网络是不同类型的网络系统;
    所述第一设备接收所述提供设备提供仅供所述第一设备使用的Bearer ID。
  11. 根据权利要求10所述的方法,其中,所述第一网络为5G网络,所述第二网络为4G网络。
  12. 根据权利要求11所述的方法,其中,所述第一设备为会话控制面功能SMF。
  13. 根据权利要求10所述的方法,其中,所述提供设备包括:用户设备UE,或接入与移动性管理功能AMF。
  14. 根据权利要求10所述的方法,其中,在所述第一设备接收所述提供设备提供仅供所述第一设备使用的Bearer ID之后,所述方法还包括:所述第一设备向UE发送与所述第一网络中QoS flow对应的Bearer ID。
  15. 一种网络系统中状态信息的处理方法,包括:
    提供设备接收第一网络中的第一设备发送的用于请求与所述第一网络中服务质量流QoS flow对应的第二网络承载的Bearer ID的请求消息,其中,所述Bearer ID为第二网络侧的承载会话标识,所述第一网络与所述第二网络是不同类型的网络系统;
    所述提供设备向所述第一设备提供仅供所述第一设备使用的Bearer ID。
  16. 根据权利要求15所述的方法,其中,所述提供设备包括:用户设备UE,或接入与移动性管理功能AMF。
  17. 一种网络系统中状态信息的处理装置,该装置应用于第一网络中的第一设备侧,包括:
    第一获取模块,配置为获取提供设备提供的状态信息,其中,所述状态信息用于指示承载标识Bearer ID的使用状态,所述Bearer ID为第二网络侧的承载会话标识,所述第一网络与所述第二网络是不同类型的网络系统;
    第一确定模块,配置为确定与所述第一网络中服务质量流QoS flow对应的Bearer ID;
    第一更新模块,配置为根据所述第一确定模块确定的Bearer ID更新获 取到的状态信息。
  18. 根据权利要求17所述的装置,其中,在所述提供设备为用户设备UE的情况下,所述第一获取模块包括:
    第一发送单元,配置为向所述UE发送用于请求所述状态信息的请求消息;
    第一接收单元,配置为接收所述UE提供的所述状态信息。
  19. 根据权利要求17所述的装置,其中,在所述提供设备为所述第一网络中的第二设备的情况下,所述第一获取模块包括:
    第二接收单元,配置为接收所述第二设备主动提供的所述状态信息;或者所述第一获取模块包括:
    第二发送单元,配置为向所述第二设备发送用于请求所述状态信息的请求消息;
    第三接收单元,配置为接收所述第二设备提供的所述状态信息;
    其中,所述第一设备与第二设备为不同类型的设备。
  20. 根据权利要求17至19任一项所述的装置,其中,所述装置还包括:
    第一发送模块,配置为在所述第一更新模块根据确定的Bearer ID更新获取到的状态信息之后,向所述提供设备发送更新后的状态信息;
    第二获取模块,配置为在所述提供设备确定收到的所述更新后的状态信息不是根据所述提供设备当前最新保存的状态信息所做的更新的情况下,再次获取所述提供设备当前最新保存的状态信息;
    第二确定模块,配置为再次确定与所述第一网络中QoS flow对应的Bearer ID;
    第二更新模块,配置为根据再次确定的Bearer ID更新获取到的状态信息。
  21. 根据权利要求17所述的装置,其中,所述装置还包括:
    第二发送模块,配置为在所述第一更新模块根据确定的Bearer ID更新获取到的状态信息之后,将更新后的状态信息发送给所述提供设备用于存储。
  22. 根据权利要求17所述的装置,其中,所述装置还包括:
    第三发送模块,配置为向用户设备UE发送确定的Bearer ID。
  23. 根据权利要求17所述的装置,其中,在第一获取模块获取提供设备提供的状态信息后,且所述提供设备未收到所述第一设备发送的更新后的状态信息之前,所述提供设备禁止再次发送未更新前的所述状态信息。
  24. 根据权利要求17所述的装置,其中,所述第一网络为5G网络,所述第二网络为4G网络。
  25. 根据权利要求19所述的装置,其中,所述第一设备为会话控制面功能SMF,所述第二设备为接入与移动性管理功能AMF。
  26. 一种网络系统中状态信息的处理装置,应用于第一网络中的第一设备侧,包括:
    第四发送模块,配置为向提供设备发送用于请求与所述第一网络中服务质量流QoS flow对应的Bearer ID的请求消息,其中,所述Bearer ID为第二网络侧的承载会话标识,所述第一网络与所述第二网络是不同类型的网络系统;
    第一接收模块,配置为接收所述提供设备提供仅供所述第一设备使用的Bearer ID。
  27. 根据权利要求26所述的装置,其中,所述第一网络为5G网络,所述第二网络为4G网络。
  28. 根据权利要求27所述的装置,其中,所述第一设备为会话控制面功能SMF。
  29. 根据权利要求26所述的装置,其中,所述提供设备包括:用户设备 UE,或移动性控制功能AMF。
  30. 根据权利要求26所述的装置,其中,所述装置还包括:
    第五发送模块,配置为在所述第一接收模块接收所述提供设备提供的仅供所述第一设备使用的Bearer ID之后,向UE发送与所述第一网络中QoS flow对应的Bearer ID。
  31. 一种网络系统中状态信息的处理装置,应用于提供设备侧,包括:
    第二接收模块,配置为接收第一网络中的第一设备发送的用于请求与所述第一网络中服务质量流QoS flow对应的第二网络承载的Bearer ID的请求消息,其中,所述Bearer ID为第二网络侧的承载会话标识,所述第一网络与所述第二网络是不同类型的网络系统;
    提供模块,配置为向所述第一设备提供仅供所述第一设备使用的Bearer ID。
  32. 根据权利要求31所述的装置,其中,所述提供设备包括:用户设备UE,或接入与移动性管理功能AMF。
  33. 一种存储介质,所述存储介质包括存储的程序,其中,所述程序运行时执行权利要求1至9中任一项所述的方法。
  34. 一种处理器,所述处理器用于运行程序,其中,所述程序运行时执行权利要求1至9中任一项所述的方法。
  35. 一种存储介质,所述存储介质包括存储的程序,其中,所述程序运行时执行权利要求10至14中任一项所述的方法。
  36. 一种处理器,所述处理器用于运行程序,其中,所述程序运行时执行权利要求10至14中任一项所述的方法。
  37. 一种存储介质,所述存储介质包括存储的程序,其中,所述程序运行时执行权利要求15至16中任一项所述的方法。
  38. 一种处理器,所述处理器用于运行程序,其中,所述程序运行时执 行权利要求15至16中任一项所述的方法。
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