WO2008116378A1 - Procédé et dispositif correspondant pour le rétablissement d'un support de transmission - Google Patents

Procédé et dispositif correspondant pour le rétablissement d'un support de transmission Download PDF

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Publication number
WO2008116378A1
WO2008116378A1 PCT/CN2008/000495 CN2008000495W WO2008116378A1 WO 2008116378 A1 WO2008116378 A1 WO 2008116378A1 CN 2008000495 W CN2008000495 W CN 2008000495W WO 2008116378 A1 WO2008116378 A1 WO 2008116378A1
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WIPO (PCT)
Prior art keywords
bearer
policy
user
establishment
establish
Prior art date
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PCT/CN2008/000495
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English (en)
Chinese (zh)
Inventor
Weihua Hu
Wenfu Wu
Yanping Zhang
Original Assignee
Huawei Technologies Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Huawei Technologies Co., Ltd. filed Critical Huawei Technologies Co., Ltd.
Publication of WO2008116378A1 publication Critical patent/WO2008116378A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/19—Connection re-establishment

Definitions

  • the present invention relates to the field of mobile communications technologies, and in particular, to a method for implementing bearer re-establishment, a mobility management device, and related network element devices. Background technique
  • SAE System Architecture Evolution
  • EUTRA evolved UMTS Terrestrial Radio Access Network
  • MME Mobility Management Entity
  • MME responsible for control plane mobility management, including management of user context and mobility status, assigning user temporary identity, etc.
  • Server SAE GW Serving System Architecture Evolution Gateway
  • PDN SAE GW Packet Data Network System Architecture Evolution Gateway 40
  • PCRF Policy and Charging Rule Function 50
  • HSS Home Subscriber Server
  • LTE_DETACHED Detached
  • Idle LTE-IDLE
  • LTE-active refers to the state after the UE accesses the SAE system; When in the Idle state, the evolved access network side does not establish radio bearer resources for the user, and evolves the NodeB.
  • the corresponding S1 interface signaling connection does not exist between the core network and the access network.
  • the evolved access network side establishes radio bearer resources for the user.
  • the user's context exists on the eNB, and there is a corresponding S1 interface signaling connection between the core network and the access network.
  • normal context data processing and signaling message interaction can be performed.
  • the signaling connection of the S1 interface when the signaling connection of the S1 interface is released (C SI signaling connection released), the user can switch from the Active state.
  • C SI signaling connection released When the signaling connection of the S1 interface is released (SI signaling connection established), the user can switch from the Idle state to the Active state.
  • the signaling release of the S1 interface may be initiated by the core network (CN).
  • the MME notifies the eNB to release the S1 interface signaling connection of the user; the signaling release of the S1 interface may also be initiated by the eNB, for example, the eNB is During the monitoring and scheduling of the use of air interface resources, when the user's activity is not detected or the contact is lost, the eNB releases the user's S1 interface signaling connection.
  • the user initiates any signaling procedure, including attach, tracking area update (TAU, Tracking Area Update), initiating a service request (Service Request), responding to paging, and separating, etc., all triggering signaling to establish an S1 interface.
  • the connection will cause the user to enter the Active state until the next time the S1 interface signaling connection is released, the user will return to the Idle state.
  • FIG. 3 it is a flowchart of a process in which a user switches from an Idle state to an Active state by initiating a Service Request in an existing SAE system, where the process is: the UE sends a Service Request message to the MME. 1); If the MME accepts the service request sent by the UE, the MME will return a Service Accept message to the UE (step 2); if the service type requested by the UE is signaling, the MME does not initiate the establishment of the radio access bearer.
  • the MME sends a Radio Access Bearer Assignment Request (Radio Access Bearer Assignment Request) message to the eNB to request the eNB to initiate a radio access bearer setup procedure (step 3);
  • the bearer setup (Radio Bearer Setup) message is sent to the UE to establish a radio bearer (step 4); the UE back to the radio bearer setup is completed (Radio Bearer Setup) Complete) message to the eNB (step 5); the eNB returns a Radio Access Bearer Assignment Response message to the MME (step 6);
  • the MME sends a Update Bearer Context Request message to the Serving SAE Gateway (Step 7); Serving SAE Gateway returns the Update Bearer Context Response message to the MME (Step 8).
  • the signaling connection and the radio bearer of the SI interface can be established, so that the user can be switched from the Idle state to the Active state.
  • the user initiates a service request to implement the switch from the Idle state to the Active state.
  • the network side can also send a page to the user to instruct the user to initiate a service request, thereby implementing the switch from the Idle state to the Active state.
  • the evolved access network side When the user is in the Idle state, the evolved access network side does not establish radio bearer resources for the user, and the S1 interface signaling connection between the access network and the core network is also released, so that the user in the Idle state needs to be
  • the network side is required to re-establish the corresponding bearer resources, such as re-establishing the radio bearer and allocating the air interface radio resources, in the process of switching from the Idle state to the Active state.
  • the bearer is generally divided into a guaranteed bit rate (GBR) bearer and a non-GBR bearer.
  • GBR bearer the network side needs to allocate a dedicated network resource.
  • a non-GBR bearer the network side allocation is not required.
  • the network side only rebuilds the bearer resources that the user needs to use, but does not rebuild other bearer resources.
  • bearer A is used to carry the video service of the user.
  • the UE will request the network side to re-establish the bearer A for the network, so that the network side only re-establishes the bearer A for the user, and for the default SAE bearer and the signaling bearer, Will not be re-established.
  • the service request procedure will be initiated again to request the network side to re-establish the signaling bearer, so that the IMS service process can be established based on the re-established signaling bearer, thus causing the establishment of the service process.
  • the increase is increased. Summary of the invention
  • the embodiment of the invention provides a method for implementing bearer re-establishment to reduce the establishment delay of a service flow.
  • a corresponding embodiment of the present invention also proposes a mobility management device and related network element device.
  • An embodiment of the present invention provides a method for implementing bearer re-establishment, including the following steps: In a process of a user switching from an idle state to an active state, the core network instructs the access network to establish a corresponding access-side bearer according to the pre-configured bearer re-establishment policy. The access network establishes a corresponding access side bearer according to the indication of the core network.
  • the embodiment of the present invention further provides a mobility management device, including: a unit for obtaining a pre-configured bearer re-establishment policy; and a method for re-establishing a policy according to a pre-configured bearer during a process of switching from an idle state to an active state
  • the access network establishes a unit corresponding to the bearer on the access side.
  • the embodiment of the present invention further provides a network element device, including: a unit for storing a pre-configured bearer reestablishment policy; a unit for notifying a stored bearer re-establishment policy to a mobility management entity in the core network.
  • the embodiment of the present invention further provides a method for implementing bearer re-establishment, including the following steps: in a process of a user switching from an idle state to an active state, the core network instructs the access network to establish all non-guaranteed bit rate access side bearers; The network establishes all non-guaranteed bit rate access side bearers according to the instructions of the core network.
  • the embodiment of the present invention further provides a mobility management device, including a unit for instructing an access network to establish all non-guaranteed bit rate access side bearers in a process of a user switching from an idle state to an active state.
  • the network side may re-establish the corresponding bearer resource according to the pre-configured bearer re-establishment policy, so that the non-GBR bearer may be re-established for the user at one time.
  • the corresponding GBR bearer is pre-established, so that when the user needs to use these non-GBR bearers or GBR bearers to establish a service flow, the user can directly use the re-established non-GBR bearer and the GBR bearer, so that the service startup speed can be improved. , reduce the establishment time of business processes, and improve the user experience.
  • Figure 1 is a block diagram of the architecture of an existing SAE system
  • FIG. 2 is a schematic diagram of mutual conversion between an Idle state and an Active state by a user in a SAE system
  • FIG. 3 is a flowchart of a process in which a user switches from an Idle state to an Active state by initiating a Service Request in a SAE system;
  • FIG. 4 is a flowchart of a method for implementing a bearer re-establishment in an evolved network according to the present invention
  • FIG. 5 is a schematic diagram of a process of implementing a non-GBR bearer for a user to re-establish a non-GBR bearer
  • FIG. 7 is a schematic diagram of a process of implementing a third embodiment of a user to re-establish a non-GBR bearer
  • FIG. 8 is a schematic diagram of a process of implementing a fourth embodiment for re-establishing a non-GBR bearer by a user
  • FIG. 9 is a schematic diagram of a processing example in which a user sends a subscription information of a user to an MME during an attach process;
  • Figure 10 shows the SPR or PCRF sending pre-configured policy information to the user during the attach process.
  • the embodiment of the present invention provides that when the user switches from the Idle state to the active state, the network side can re-establish a non-GBR bearer for the user at a time, so that the user needs to use these non-GBR bearers to establish a service flow.
  • the non-GBR bearer that has been re-established can be directly used, so that the service startup speed can be improved, the establishment time of the business process can be reduced, and the user experience can be enhanced.
  • the GBR bearer does not occupy network transmission resources when there is no data transmission.
  • the network side re-establishes all non-GBR bearers (including the default SAE bearer and signaling bearer, etc.) for the user, so that the UE performs the IMS service later.
  • the IMS session process can be established directly through the re-established signaling bearer, and the IMS session process can be established after the IMS session process is established by re-establishing the signaling bearer through the Service Request process. Delay.
  • FIG. 4 it is a flowchart of an embodiment of a method for implementing a bearer re-establishment according to the present invention.
  • the core network instructs the access network to establish a corresponding according to a pre-configured bearer re-establishment policy.
  • the access side bearer (step 100); the access network establishes a corresponding access side bearer according to the indication of the core network (step 200).
  • the core network may default to that all non-GBR bearers need to be re-established during the process of the user switching from the Idle state to the active state, and the access network is instructed to re-establish all non-- The GBR access side bearer; the access network establishes all non-GBR access side bearers according to the instructions of the core network.
  • the establishment process of the access side bearer includes radio bearer establishment between the UE and the eNB, and establishment of a radio access bearer between the eNB and the user plane entity (such as the Serving SAE Gateway).
  • the re-established bearer resources are divided into non-GBR bearers and GBR bearers to describe the embodiments of the present invention.
  • the following description is first based on the case of re-establishing non-GBR bearer resources.
  • the first mode When the user switches from the Idle state to the active state, the UE carries the non-GBR bearer re-establishment policy in the message exchanged with the core network, and requires the core network to re-establish the non-GBR bearer.
  • Step 11 The UE sends a Service Request message to the MME.
  • the request message carries a non-GBR bearer re-establishment policy.
  • the non-GBR bearer re-establishment policy can be, but is not limited to, the following cases:
  • the non-GBR bearer re-establishment policy carried by the UE in the Service Request message sent to the MME may be, but is not limited to, implemented as follows:
  • the Service Request message is extended to add a Non-GBR Status cell to carry the non-GBR bearer re-establishment policy configured by the UE.
  • a Non-GBR Status cell to carry the non-GBR bearer re-establishment policy configured by the UE.
  • Table 1 an embodiment for extending the Service Request message (only cells related to the embodiment of the present invention are described in this embodiment, and other cells are not described here):
  • Non-GBR status Value octet 3 Table 3: Non-GBR status Value
  • the UE carries the configured non-GBR bearer re-establishment policy in the Uplink data status cell of the Service Request message, for example, the UE sets the state of the default SAE bearer to the active state (the state is set to the active state to indicate that the bearer needs to be re-established), or Set the status of all non-GBR bearers to the active state (including setting the default SAE bearer to the active state), or set the pre-established non-GBR bearer (such as default SAE bearer, signaling bearer, etc.) status to active. state.
  • the state of the default SAE bearer to the active state (the state is set to the active state to indicate that the bearer needs to be re-established), or Set the status of all non-GBR bearers to the active state (including setting the default SAE bearer to the active state), or set the pre-established non-GBR bearer (such as default SAE bearer, signaling bearer, etc.) status to active. state.
  • the non-GBR bearer re-establishment policy is to re-establish the default SAE bearer. Representing a non-GBR bearer re-establishment strategy to re-establish all For a non-GBR bearer, the non-GBR bearer re-establishment policy is to re-establish the pre-established non-GBR bearer when attaching.
  • Step 12 If the MME accepts the service request, it replies to the service accept message to the UE.
  • Step 13 The MME analyzes the non-GBR bearer re-establishment policy carried in the service request message sent by the UE, determines which non-GBR bearers need to be re-established, and then sends a radio access bearer setup request message to the eNB, where the radio access bearer is sent.
  • the setup request message includes the non-GBR bearer to be reestablished determined by the MME analysis. If the service request message sent by the UE does not carry the non-GBR bearer re-establishment policy, the MME defaults that all the non-GBR bearers need to be re-established, and the radio access bearer setup request message sent to the eNB carries the re-establishment all Information not carried by GBR.
  • Step 14 The eNB sends a radio bearer setup message to the UE according to the non-GBR bearer to be re-established included in the received radio access bearer setup request message, to indicate that the UE establishes a corresponding radio bearer.
  • Step 15 After the UE establishes the corresponding radio bearer, it replies to the radio bearer setup complete message to the eNB»
  • Step 16 The eNB replies to the radio access bearer setup response message to the MME.
  • Step 17. The MME sends a Modify Bearer Context Request message to the Serving SAE Gateway.
  • Step 18. The Serving SAE Gateway replies to modify the bearer context response message to the MME.
  • the process of the foregoing embodiment is to initiate a service request by the user to implement the service from the Idle state to the active state.
  • the network side may also send a paging service to the user to instruct the user to initiate a service request to the network side.
  • the switch from the Idle state to the Active state is implemented, so that the processing in the dotted line is performed before the step 11: the Serving SAE Gateway receives the downlink data packet sent to the user in the Idle state; the Serving SAE Gateway sends the paging message to The MME triggers a paging procedure; the MME sends a paging message to the eNB; the eNB sends a paging message to the UE, and then the UE sends a Service Request message to the MME after receiving the paging message.
  • the UE may also trigger the state switching by the network side. Since the principle is similar, the description will not be repeated below.
  • the foregoing first mode is not limited to the other processes in the process of the service request processing, and the user switches from the Idle state to the active state.
  • the network side may also re-establish non-GBR for the UE according to the indication sent by the UE. Hosted.
  • Step 31 The UE sends a tracking area update request (TAU Request) message to the MME, where the request message carries a non-GBR bearer re-establishment policy configured by the UE, where the non-GBR bearer re-establishment policy may include a type according to the foregoing first embodiment. Introduction.
  • TAU Request tracking area update request
  • the non-GBR bearer re-establishment policy carried by the UE in the TAU Request message sent to the MME may be, but is not limited to, implemented as follows:
  • the TAU Request message is extended to add a Non-GBR Status cell to carry the non-GBR bearer re-establishment policy configured by the UE.
  • a Non-GBR Status cell to carry the non-GBR bearer re-establishment policy configured by the UE.
  • Table 4 an embodiment for extending the TAU Request message (only cells related to the embodiment of the present invention are described in this embodiment, and other cells are not described here):
  • Non-GBR status cell For details of the Non-GBR status cell and the Non-GBR status value, please refer to Table 2 and Table 3 in the first embodiment described above.
  • the UE carries the configured non-GBR bearer re-establishment policy in the Uplink data status cell of the TAU Request message, for example, the UE sets the state of the default SAE bearer to an active state (the state is set to the active state to indicate that the bearer needs to be re-established), or Set the status of all non-GBR bearers to the active state (including setting the default SAE bearer to the active state), or set the pre-established non-GBR bearer (such as default SAE bearer, signaling bearer, etc.) status to active. state.
  • Step 32 If the MME accepts the tracking area update request, the reply tracking area update accept message is sent to UE.
  • Step 33 The MME analyzes the non-GBR bearer reestablishment policy carried in the TAU request message sent by the UE, and determines which non-GBR bearers need to be re-established. If the non-GBR bearer re-establishment policy is not carried in the TAU request message sent by the UE, the MME defaults that all non-GBR bearers need to be re-established.
  • the re-establishment process of the non-GBR bearer is the same as the steps 13-18 in the first embodiment, and no further description is given here.
  • the second mode When the user switches from the Idle state to the active state, the policy of re-establishing non-GBR bearers and re-establishing non-GBR bearers is pre-configured by the operator on the MME.
  • Step 41 The UE sends a Service Request message to the MME.
  • Step 42 If the MME accepts the service request, it replies to the service accept message to the UE.
  • Step 43 The MME re-establishes a policy according to the non-GBR bearer configured by the operator in the user, and determines which non-GBR bearers need to be re-established.
  • the types that may be included in the non-GBR bearer re-establishment policy refer to the introduction in the first embodiment above. If the non-GBR bearer re-establishment policy is not configured on the MME, the MME defaults that all non-GBR bearers need to be re-established.
  • the re-establishment process of the non-GBR bearer is the same as the steps 13-18 in the first embodiment, and no further description is given here.
  • the foregoing second method is not limited to the other processes in the process of the service request processing, and the user is in the process of switching from the Idle state to the active state.
  • the network side may also re-establish the UE according to the policy configured by the operator on the MME.
  • Non-GBR bearer may also be used to re-establish the UE according to the policy configured by the operator on the MME.
  • Step 51 The UE sends a tracking area update request message to the MME.
  • Step 52 If the MME accepts the tracking area update request, the reply tracking area update accept message is sent to
  • the MME re-establishes a policy according to the non-GBR bearer configured by the operator in the user, and determines which non-GBR bearers need to be re-established.
  • the types that may be included in the non-GBR bearer re-establishment policy refer to the introduction in the first embodiment described above. If the non-GBR bearer re-establishment policy is not configured on the MME, the MME defaults that all non-GBR bearers need to be re-established.
  • the re-establishment process of the non-GBR bearer is the same as the steps 13-18 in the foregoing first embodiment, and no further description is given here.
  • the third mode When the user switches from the Idle state to the Active state, whether the policy for re-establishing non-GBR bearers and re-establishing non-GBR bearers is determined by the subscription data saved in the user HSS.
  • the user sends the subscription information of the user to the MME for saving by the HSS.
  • the MME After receiving the service request request message sent by the UE, the MME determines whether to re-establish non-GBR bearers and re-establish non-GBR bearers according to the saved user subscription information.
  • FIG. 9 a schematic diagram of a processing example in which the HSS sends the user's subscription information to the MME during the attaching process, where the specific processing procedure is as follows:
  • Step 61 The UE sends an attach request message to the MME to request attach processing.
  • Step 62. The MME sends a Location Update message to the HSS.
  • Step 63 The HSS sends an Insert Subscriber Data message to the MME, where the sent insertion subscription data includes a non-GBR bearer re-establishment policy configured for the user UE, where the non-GBR bearer re-establishment policy may include a type reference.
  • Step 64 The MME replies to the Insert Subscriber Data Ack message to the HSS.
  • Step 65 The HSS sends a Location Update Ack message to the MME.
  • Step 66 The MME saves the non-GBR bearer re-establishment policy included in the insertion subscription data, and returns an Attach Accept message to the UE.
  • the subsequent MME After receiving the Service Request message sent by the UE, the subsequent MME replies to the service acceptance message to the UE, and determines which non-GBR bearers need to be re-established according to the saved non-GBR bearer re-establishment policy. If the non-GBR bearer re-establishment policy configured for the user UE is not included in the insertion subscription data sent by the HSS, the MME defaults to all non-bearers. All need to be re-established.
  • the re-establishment process of the non-GBR bearer is the same as the steps 13-18 in the foregoing first embodiment, and no further description is given here.
  • the subsequent MME replies to the tracking area update accept message to the UE after receiving the tracking area update request, and determines that the re-establishment needs to be re-established according to the saved non-GBR bearer re-establishment policy. Which non-GBR bearers.
  • the fourth mode When the user switches from the Idle state to the active state, whether the policy for re-establishing non-GBR bearers and re-establishing non-GBR bearers is pre-configured by the operator in the PCRF, or pre-configured in the policy and charging execution.
  • PCEF Policy and Charging Enforcement Function
  • SPR User Profile Subscription Database
  • the user sends the pre-configured policy to the MME for saving by PCRF, or PCEF, or SPR.
  • the MME determines whether to re-establish non-GBR bearers and re-establish non-GBR bearers according to the saved user subscription information.
  • the SPR or the PCRF sends the pre-configured policy information to the MME to save the processing example.
  • the specific processing procedure is as follows:
  • Step 71 The UE sends an Attach Request message to the MME.
  • Step 72 The MME sends a Create Bearer Context Request message to the Serving SAE Gateway to request Serving SAE Gatewa to create a SAE bearer.
  • Step 73 The Serving SAE Gateway sends a Create Bearer Context Request message to the PDN SAE Gateway to request the PDN SAE Gateway to create a SAE bearer.
  • Step 74 The PDN SAE Gateway sends a Request Policy and Charging Rules message to the PCRF.
  • the pre-configured policy is returned to the PDN SAE Gateway through a Policy and Charging Rules Provision message; If the user's subscription data does not exist in the PCRF, then in step 75, the PCRF sends a subscription data request (Profile Request) message.
  • Profile Request subscription data request
  • the SPR stores the policy and the charging-related subscription data that the PCRF needs to use, and then obtains the subscription data of the user.
  • Step 76 The SPR returns a subscription data response (Profile Response) message to the PCRF, where the user's subscription data is carried, and the user's subscription data may include a non-GBR bearer re-establishment policy preset by the operator for the user.
  • Profile Response subscription data response
  • Step 77 The PCR and Charging Rules Provision message is sent to the PDN SAE Gateway, and the reply message carries the non-GBR bearer re-establishment policy of the user.
  • the re-establishment process of the non-GBR bearer is the same as the steps 13-18 in the first embodiment, and no further description is given here.
  • the non-GBR bearer re-establishment policy may be configured in the PCRF in advance, or may be configured in the SPR in advance, and carried in the subscription data response message by the SPR to the PCRF.
  • Step 78 The PDN SAE Gateway replies with a Create Bearer Context Response message to the Serving SAE Gateway, which carries the non-GBR bearer re-establishment policy of the UE.
  • the non-GBR bearer re-establishment policy can also be configured in the PDN SAE Gateway, and the PDN SAE Gateway carries the Serving SAE Gateway through the Create Bearer Context Response message.
  • Step 79 The Serving SAE Gateway replies to the Create Bearer Context Response message to the MME, and the replies message carries the non-GBR bearer reestablishment policy of the UE.
  • Step 80 The MME saves the non-GBR bearer re-establishment policy included in the received Create Bearer Context Response message, and initiates a radio bearer setup process to establish a radio access bearer corresponding to the SAE bearer. This part of the process is a well-known technique and will not be elaborated here.
  • Step 81 The MME replies to the Attach Accept message to the UE.
  • the bearer creation process (steps 2 to 10) and the user's attachment process have no contingency relationship, and the bearer creation process can be completed in the process of attaching (such as creating a default SAE bearer). It is also possible to perform bearer creation processing (such as establishing a signaling bearer) after the attachment is completed.
  • the subsequent MME After receiving the request message sent by the UE (including the Service Request message or the TAU Request message), the subsequent MME, if accepting the service request or the tracking area update request, responds to the service accept message or the tracking area update accept message to the UE, and according to the The saved non-GBR bearer re-establishment policy determines which non-GBR bearers need to be re-established.
  • the re-establishment process of the non-GBR bearer is the same as the steps 13-18 in the foregoing first embodiment, and no further description is given here.
  • the re-establishment principle of the non-GBR bearer can also be applied to the re-establishment of the GBR bearer.
  • the terminal generally has a signaling bearer and a GBR bearer, and the signaling bearer is used to perform a video service session establishment process, GBR.
  • the bearer is used to transport video traffic. Both the signaling bearer and the GBR bearer will be released when the user is in the Idle state.
  • the video service flow is processed at the same time as the video service session is established. Therefore, for such a terminal, a policy for re-establishing all bearers can be configured.
  • the network When the terminal is switched from the Idle state to the active state, the network re-establishes the signaling bearer and the GBR bearer for the user according to the pre-configured bearer re-establishment policy. After the user completes the video service session establishment process on the signaling bearer, the terminal can The video service flow is processed on the re-established GBR bearer, which can also speed up the access of the video service and enhance the user experience. .
  • the scheme for determining which bearers to re-establish according to the bearer re-establishment policy may also be applied to a general packet radio service (GPRS) system, for example, when the UE switches from the Idle state to the active state process.
  • GPRS general packet radio service
  • the Serving GPRS Supporting Node (SGSN) may re-establish a corresponding radio access bearer for the UE according to the bearer re-establishment policy preset for the user.
  • the embodiment of the present invention further provides a mobility management device (such as an MME in an SAE system or an SGSN in a GPRS system) in an evolved network, where the method includes obtaining a pre-configured bearer re-establishment. a unit of the policy, and a unit for instructing the access network to establish a corresponding access side bearer according to the pre-configured bearer re-establishment policy.
  • the MME may further include a unit that stores the pre-configured bearer re-establishment policy, so that the MME may determine which bearer resources are re-established according to the stored policy; or the unit for obtaining the policy may also send the external network element device.
  • Pre-configured bearer re-establishment strategy to achieve the corresponding bearer re-establishment policy slightly.
  • a network element device in an evolved network including: a unit for storing a pre-configured bearer re-establishment policy; and a unit for notifying the stored bearer re-establishment policy to the MME in the core network.
  • the network element device here may be a UE, or may be an HSS in the core network, or a PCRF, or a PCEF, or an SPR.
  • the embodiment of the present invention further provides a mobility management device in the second evolved network, which is configured to instruct the access network to establish all non-GBR connections during the process of the user switching from the Idle state to the Active state.
  • the mobility management device (such as the MME) defaults to the user when the user switches from the Idle state to the Active state. Re-establish all non-GBR bearer resources.
  • the mobility management device can also be, but is not limited to, an MME in the SAE system, or an SGSN in the GPRS system.
  • the functional components included in the mobility management device and related network element devices may be implemented by corresponding software programs, or may be implemented based on upgrading and upgrading related hardware components.
  • the network side may re-establish the corresponding bearer resource according to the pre-configured bearer re-establishment policy, so that the user can be A non-GBR bearer is set up, so that when the user needs to use these non-GBR bearers to establish a service process, the user can directly use the non-GBR bearer that has been re-established. Therefore, the service startup speed can be improved and the setup time of the service process can be reduced.
  • non-GBR bearers that are re-established in advance will not occupy network transmission resources when there is no data transmission.

Landscapes

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

Abstract

L'invention concerne un procédé de rétablissement de support de transmission, comprenant une étape de commutation d'un utilisateur du mode LTE_IDLE vers le mode LTE_ACTIVE, conformément à une stratégie préconfigurée de rétablissement de support, le réseau central transmettant au réseau d'accès une instruction en vue de l'établissement d'un support correspondant côté accès. Le réseau d'accès établit un support correspondant du côté accès conformément à l'instruction du réseau central. Si la stratégie d'établissement de support n'est pas préconfigurée pour l'utilisateur, le réseau central transmet, pendant la commutation de l'utilisateur du mode LTE_IDLE vers le mode LTE_ACTIVE une instruction au réseau d'accès afin qu'il établisse tous les supports non GBR du côté accès. Le réseau d'accès établit tous les supports non GBR du côté accès conformément à l'instruction du réseau central. Ce procédé permet d'augmenter la vitesse de mise en route du service, de réduire la durée d'établissement d'une procédure de service et d'améliorer le service au niveau utilisateur.
PCT/CN2008/000495 2007-03-23 2008-03-13 Procédé et dispositif correspondant pour le rétablissement d'un support de transmission WO2008116378A1 (fr)

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CN2007100871981A CN101272600B (zh) 2007-03-23 2007-03-23 实现承载重建立的方法、及其相关设备
CN200710087198.1 2007-03-23

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EP3567977B1 (fr) * 2012-06-28 2022-07-20 Huawei Technologies Co., Ltd. Procédé de transmission de données de liaison descendante, station de base et réseau
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CN109845320B (zh) * 2018-02-09 2020-12-04 Oppo广东移动通信有限公司 基于业务质量进行数据传输的方法和设备

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