WO2010124485A1 - Système et procédé permettant de réaliser la commande des ressources utilisateurs - Google Patents

Système et procédé permettant de réaliser la commande des ressources utilisateurs Download PDF

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Publication number
WO2010124485A1
WO2010124485A1 PCT/CN2009/073557 CN2009073557W WO2010124485A1 WO 2010124485 A1 WO2010124485 A1 WO 2010124485A1 CN 2009073557 W CN2009073557 W CN 2009073557W WO 2010124485 A1 WO2010124485 A1 WO 2010124485A1
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WO
WIPO (PCT)
Prior art keywords
service flow
modification
priority user
user
low priority
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PCT/CN2009/073557
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English (en)
Chinese (zh)
Inventor
周娜
霍玉臻
苏翠西
Original Assignee
中兴通讯股份有限公司
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Publication of WO2010124485A1 publication Critical patent/WO2010124485A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
    • H04W72/566—Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient

Definitions

  • the present invention relates to the field of mobile communications, and in particular, to a system and method for resource control of a user.
  • the home base station is a small, low-power base station deployed in indoor places such as homes and offices.
  • the main purpose is to provide users with higher service rates and lower the cost of using high-speed services, while making up for existing distributed Insufficient coverage of cellular wireless communication systems.
  • the advantages of home base stations are affordability, convenience, low power output, plug and play, and more.
  • the home base station can access the core network through the logical network element of the home base station gateway, as shown in FIG. 1 , wherein the main functions of the home base station gateway are: verifying the security of the home base station, processing the registration of the home base station, and operating the home base station. Maintenance management, configuration and control of the home base station according to the operator's requirements, responsible for exchanging data of the core network and the home base station.
  • the home base station gateway can be set up with the access gateway or separately. There can also be no home base station gateway. At this time, the home base station directly connects with the access gateway.
  • anchor SFA Anchor Service Flow Authorization
  • anchor PCEF anchor policy and charging execution function
  • service SFA are AGW (Access Gateway, Access Service Network Gateway) Functional entity.
  • SFM Service Flow Management
  • PCRF Policy and Charging Rules Function
  • PCRF Policy and Charging Rules Function
  • CSG Closed Subscriber Group
  • the usage modes of the home base station can be classified into a closed mode, a mixed mode, and an open mode.
  • the home base station is in the closed mode, only the CSG user to which the home base station belongs can access the base station and enjoy the service provided by the base station.
  • the base station is in the open mode, any user can access the base station, and the home base station at this time is equivalent to the macro base station.
  • the home base station is in the hybrid mode, it allows the CSG user to access and allows other users to access the user.
  • a high-priority user such as a CSG user
  • a closed or mixed mode home base station if the radio resources are insufficient, the home base station will not allow the user to access the system or release some low-priority users (such as low). Priority non-CSG users) This will cause low-priority users to fail to run the established services, thus reducing the user experience.
  • the present invention provides a system and method for resource control of a user.
  • the high priority user is successfully accessed and the low priority user is guaranteed to the greatest extent.
  • the business flow can continue to run, enhancing the user experience.
  • the present invention provides a method for resource control of a user, including: when a service flow is established or modified for a high-priority user, if the current resource is insufficient, the home base station modifies the service flow of the low-priority user.
  • the modifying the service flow of the low priority user includes:
  • the service quality QoS type of the low priority user is a non-best effort service type BE type traffic flow is changed to a BE type service flow;
  • the QoS type of the low priority user traffic is kept unchanged, but its QoS parameters are lowered. Further, the method further includes: the home base station knowing, by one of the following methods, whether to allow the modification of the user service flow:
  • the user access system triggers the access gateway to establish or modify the service flow
  • the authentication authorization server triggers the access gateway to establish or modify the service flow
  • the policy control and accounting PCC triggers the access gateway to establish or modify the service flow
  • the service service flow authorizes the SFA.
  • the terminal When the terminal initiates the service flow establishment or modification to the home base station, the terminal carries indication information indicating whether the service flow modification is allowed;
  • the indication information is an indication indicating that the modification of the service flow is allowed to be explicitly performed; or a parameter, when the parameter is a specified value, the modification is allowed to be performed on the service flow, and when the parameter is another value, the service flow is not allowed. to modify.
  • the method further includes: the access gateway knowing whether to allow modification of the user service flow by:
  • the access gateway saves indication information indicating whether the service flow modification is allowed;
  • the indication information is an indication indicating that the modification of the service flow is allowed to be explicitly performed; or a parameter, when the parameter is a specified value, the modification is allowed to be performed on the service flow, and when the parameter is another value, the service flow is not allowed. to modify.
  • the step of modifying the service flow of the low-priority user includes: if the home base station finds that the current resource is insufficient, and the non-BE service flow of the low-priority user exists, and the storage is allowed to be performed on the service flow And the modified indication information, the non-BE service flow of the low-priority user that performs the service flow modification is selected, and the tunnel modification request is sent to the access gateway, and the information of the low-priority user and the low-priority user non-BE service flow are carried. Information, how the service flow is modified, and the modified QoS parameters are requested;
  • the access gateway determines whether to accept the modification of the service flow according to the modified service flow according to the PCC policy, the local policy, or the subscription information, and if yes, sends a tunnel modification response to the home base station, and the home base station receives the response. Complete resource allocation for the low priority user traffic flow.
  • the step of modifying the service flow of the low-priority user includes: if the home base station finds that the current resource is insufficient, and the non-BE service flow of the low-priority user exists, selecting a low priority for modifying the service flow a non-BE service flow of the level user, and sending a tunnel modification request to the access gateway, where the low priority user information and the low priority user non-BE service are carried Flow information, how to modify the service flow, the reason for modifying the service flow, and requesting the modified QoS parameters;
  • the access gateway determines, according to the PCC policy, the local policy or the subscription information, the reason for modifying the service flow, and whether to save the indication information that allows the modification of the service flow, whether to accept the service flow according to the modified service flow. Modifying, if yes, sending a tunnel modification response to the home base station, and the home base station completes the resource allocation for the low priority service flow after receiving the response.
  • the step of modifying the service flow of the low-priority user includes: if the home base station finds that the current resource is insufficient, and the non-BE service flow of the low-priority user exists, and the storage is allowed to be performed on the service flow And the modified indication information, the non-BE service flow of the low-priority user that performs the service flow modification is selected, and the tunnel modification notification is sent to the access gateway, and the information of the low-priority user and the low-priority user non-BE service flow are carried. Information, the way in which the business flow is modified, or/and the reason for the business flow modification;
  • the access gateway determines, according to the reason for modifying the service flow, whether to modify the service flow according to the modified service flow, and if the access gateway completes the modification of the low-priority user non-BE service flow, or The access gateway directly modifies the low-priority user non-BE service flow according to the manner of modifying the service flow.
  • the step of modifying the service flow of the low-priority user includes: if the home base station finds that the current resource is insufficient, and the non-BE service flow of the low-priority user exists, selecting a low priority for modifying the service flow A non-BE service flow of the level user, and sending a tunnel modification notification to the access gateway, carrying the information of the low priority user, the low priority user non-BE service flow information, modifying the service flow manner, or/and performing the service flow Reason for modification;
  • the method further includes: if the home base station finds that the current resource is insufficient, and the low priority user exists, the low priority user is switched to another access service network, and if the handover fails, the presence of the service flow is allowed.
  • Non-BE industry of the low priority user who performs the modified indication information The service flow is modified into a BE service flow, and the non-BE service flow of the low priority user that does not have the indication information that allows modification of the service flow is released.
  • the situation that the service flow is established or modified for the high-priority user and the current resource is insufficient includes:
  • the user access system triggers the access gateway to establish or modify the service flow;
  • the authentication authorization server triggers the access gateway to establish or modify the service flow;
  • the PCC triggers the access gateway to establish or modify the service flow; and the terminal initiates the service flow establishment or modification.
  • the high priority user includes an access closed user group user, a home user, a closed user, a high priority licensed non-home user or a high priority non-home user, an emergency service user, and the low priority user includes a low priority user.
  • Priority non-family users low priority licensed non-family users;
  • the home base station is in a closed mode or a hybrid mode.
  • the home base station selects a non-BE service flow of a low priority user that performs service flow modification according to one of the following manners:
  • the method further includes: the home base station selects the low priority user to perform the handover by one of the following methods: randomly selecting the low priority user to perform the handover, or starting the selection from the lowest priority low priority user.
  • the present invention also provides a system for controlling resources of a user, including: a home base station; the home base station is configured to be a high-priority user to establish or modify a service flow, but when the current resource is insufficient, the service flow of the low-priority user is modified. .
  • the home base station tampers with the service flow of the low priority user by using one of the following methods:
  • the service quality QoS type of the low priority user is a non-best effort service type BE type traffic flow is changed to a BE type service flow;
  • the QoS type of the low priority user traffic is kept unchanged, but its QoS parameters are lowered. Further, the system further includes an access gateway;
  • the home base station is further configured to: if it is found that the current resource is insufficient, and there is a non-BE service flow of the low priority user, and the indication information allowing the modification of the service flow is saved, the low priority user that performs the service flow modification is selected.
  • the non-BE service flow and sending a tunnel modification request to the access gateway, carrying the information of the low priority user, the low priority user non-BE service flow information, the manner of modifying the service flow, and requesting the modified QoS parameter;
  • the access gateway is configured to determine, according to the PCC policy, the local policy, or the subscription information, whether to accept the modification of the non-BE service flow of the low priority user according to the modified service flow, and send the tunnel to the home base station when accepting Modify the response;
  • the home base station is further configured to receive the tunnel modification response to complete resource allocation for the low priority traffic.
  • system further includes an access gateway
  • the home base station is further configured to: if it is found that the current resource is insufficient, and there is a non-BE service flow of the low priority user, select a non-BE service flow of the low priority user that performs the service flow modification, and send the tunnel modification to the access gateway. a request, where the low priority user information, the information of the low priority user non-BE service flow, the manner of modifying the service flow, the reason for modifying the service flow, and the modified QoS parameter are requested;
  • the access gateway is configured to determine, according to the PCC policy, the local policy or the subscription information, the reason for modifying the service flow, and whether to save the indication information that allows modification of the service flow, whether to accept the service according to the modified service flow.
  • the stream is modified, and the tunnel tampering response is sent to the home base station for acceptance;
  • the home base station is further configured to receive the tunnel modification response to complete resource allocation for the low priority traffic.
  • system further includes an access gateway
  • the home base station is further configured to: if it is found that the current resource is insufficient, and there is a non-BE service flow of the low priority user, and the indication information allowing the modification of the service flow is saved, the low priority user that performs the service flow modification is selected.
  • the non-BE service flow and sends a tunnel modification notification to the access gateway, carrying the information of the low priority user, the low priority user non-BE service flow information, and modifying the service The way the flow, or / and the reason for the business flow modification;
  • the access gateway is configured to determine, according to the reason for modifying the service flow, whether to accept the modification of the service flow according to the manner of modifying the service flow, and complete the modification of the low-priority user non-BE service flow when accepting Or modify the low-priority user non-BE service flow directly according to the manner of modifying the service flow.
  • system further includes an access gateway
  • the home base station is further configured to: if it is found that the current resource is insufficient, and there is a non-BE service flow of the low priority user, select a non-BE service flow of the low priority user that performs the service flow modification, and send the tunnel modification to the access gateway. Notifying, carrying the information of the low priority user, the low priority user non-BE service flow information, the manner of modifying the service flow, or/and the reason for performing the service flow modification;
  • the access gateway is configured to determine, according to whether the indication information that allows the modification of the service flow is saved, and the reason for modifying the service flow, or the access gateway only according to whether the indication information that allows modification of the service flow is saved, Determining whether to accept the modification of the service flow in the manner of modifying the service flow, and completing the modification of the low-priority user non-BE service flow when accepting; the present invention provides a system for resource control of a user And the method for allowing the user to modify the service flow of the low-priority user under the condition of the operator's permission, thereby ensuring the successful access of the high-priority user and providing the maximum degree of service for the low-priority user.
  • the protection effectively enhances the user experience.
  • FIG. 1 is a schematic structural view of a system in the prior art
  • FIG. 2 is a flow chart 1 of a home base station user access process provided by the present invention.
  • FIG. 3 is a second flowchart of establishing a service flow initiated by a terminal according to the present invention.
  • FIG. 4 is a flowchart 3 of a user base station user access process provided by the present invention.
  • FIG. 5 is a flowchart 4 of a user base station user access process provided by the present invention.
  • FIG. 6 is a flowchart 5 of establishing a service flow initiated by a terminal according to the present invention.
  • FIG. 7 is a flowchart 6 of a user base station user access process provided by the present invention
  • FIG. 8 is a flowchart 7 of a home base station user access procedure provided by the present invention.
  • the present invention aims to provide a system and method for resource control of a user to solve the process of implementing resource control when a user accesses a home base station system.
  • the present invention provides a system and method for resource control of a user, the method comprising: when establishing or modifying a service flow for a high priority user, if the current resource is insufficient, the home base station is a low priority user.
  • the business flow is modified to reduce the resources it occupies.
  • high-priority users may include accessing CSG users, home users, closed users, high-priority licensed non-home users, high-priority non-home users, and emergency service users, and low-priority users may Includes low-priority non-home users and low-priority non-licensed home users.
  • the CSG users may include high-priority users such as home users, high-priority licensed non-home users, and emergency service users, and may also include low-priority licensed non-families.
  • Low priority users such as users.
  • high-priority users can include access to CSG users, and low-priority users can be non-CSG users.
  • high-priority users can also include home users, high-priority licensed non-home users, and high-priority levels.
  • high-priority users such as non-home users and emergency service users
  • low-priority users may include low-priority non-home users, low-priority licensed non-home users, and the like.
  • the home base station can be in a closed mode or a mixed mode.
  • the embodiment provides a system for performing resource control on a user, as shown in FIG. 1 , including a terminal, a home base station, and an access gateway;
  • the home base station is used to establish or modify a service flow for a high-priority user, but the service flow of the low-priority user is modified when the current resource is insufficient.
  • the home base station may modify the service flow of the low priority user in any of the following manners:
  • the access gateway is configured to determine, according to the PCC policy, the local policy, or the subscription information, whether to modify the non-BE service flow of the low priority user according to the modified service flow, and send the tunnel modification response to the home base station when accepting .
  • the home base station determines, according to the PCC policy, the local policy or the subscription information, the reason for modifying the service flow, and whether to save the indication information that allows the service flow to be modified,
  • the manner of modifying the service flow modifies the service flow, and sends a tunnel tampering response to the home base station when accepting.
  • the access gateway is configured to determine, according to the reason for modifying the service flow, whether to modify the service flow according to the modified service flow, and to complete the modification of the low-priority user non-BE service flow when accepting; or use the access gateway
  • the low-priority user non-BE service flow is modified directly in the manner of modifying the service flow. (d) If the home base station finds that the current resource is insufficient, and there is a non-BE service flow of the low-priority user, select the non-BE service flow of the low-priority user that performs the service flow modification, and send a tunnel modification notification to the access gateway, carrying Information of low priority users, non-BE service flow information of low priority users, way of modifying service flows, or/and reasons for modifying service flows;
  • the access gateway is configured to determine whether to accept the modification of the service flow in the manner of modifying the service flow, and to complete the modification of the non-BE service flow of the low priority user when accepting;
  • the access gateway determines whether to accept the modification of the service flow according to the modified service flow.
  • the access gateway determines whether to save the indication information that allows modification of the service flow and the reason for modifying the service flow, or
  • the ingress gateway judges only based on whether or not the indication information that allows modification of the service flow is saved.
  • FIG. 2 is a flow chart of user access and network side initiated service flow establishment provided by the present invention. The specific steps are described as follows:
  • Step 201 The user accesses the system, completes the authentication capability negotiation with the base station and the access gateway, and performs an authentication and authorization operation.
  • the user completes the user plane capability negotiation with the base station and the access gateway.
  • Step 202 The anchor SFA initiates a service flow creation request to the service SFA, and carries indication information indicating whether to modify the service flow.
  • the indication information may be an indication that the modification of the service flow is allowed to be explicitly indicated, such as a Reduced Resource Code or a QoS type of the service flow ⁇ ⁇ ' ⁇ is changed to BE (Best Effort, best effort)
  • the indication may also be a parameter. When the parameter is a specified value, it indicates that the service flow is allowed to be modified. When the parameter is other values, it indicates that the service flow is not allowed to be modified.
  • Step 203 The service SFA checks to create a data tunnel, and then initiates a tunnel registration request to the SFM, and carries the QoS parameter of the service flow, and whether the information indicating that the service flow is allowed to be modified is allowed.
  • Step 204 The home base station saves the Reduced Resource Code or / and the indication that is allowed to be modified to BE, and checks the radio resource to perform admission control.
  • Step 205 Perform dynamic service establishment between the home base station and the terminal.
  • Step 206 The SFM returns a tunnel registration response to the service SFA.
  • Step 207 The serving SFA returns a resource reservation response to the anchor SFA. Step 208, continuing to execute the high priority user service flow establishing process.
  • the foregoing embodiment uses the application scenario when the user accesses as an example to describe the manner in which the home base station obtains the indication information for permitting the modification of the service flow, and other implementation scenarios, such as triggering the establishment of the access gateway by the authentication and authorization server.
  • the manner of transmitting the Reduced Resource Code or/and the indication allowed to be modified to the BE to the home base station is very similar to the processing flow of the foregoing embodiment, and will not The effects of the present invention are explained, so the description will not be repeated here.
  • FIG. 3 is a flow chart of establishing a terminal initiated service flow provided by the present invention. The specific steps are as follows: Step 301: The terminal performs a dynamic service request, requests the established service flow and QoS parameters, and indicates whether to allow modification of the service flow;
  • the indication information may be an indication that the modification of the service flow is allowed to be explicitly indicated, such as a Reduced Resource Code or a QoS type of the service flow ⁇ ⁇ ' ⁇ is changed to BE (Best Effort, best effort)
  • the indication may also be a parameter. When the parameter is a specified value, it indicates that the service flow is allowed to be modified. When the parameter is other values, the modification of the service flow is not allowed.
  • Step 302 The home base station sends a reception confirmation message.
  • Step 303 The home base station may save indication information about whether to modify the service flow, and check the radio resource to perform admission control.
  • Step 304 The home base station sends a tunnel registration request to the service SFA, and carries indication information indicating whether to allow the service flow to be tamper-modified.
  • Step 305 The service SFA sends a resource reservation request to the anchor SFA, and carries indication information indicating whether to allow the service flow to be tamper-modified.
  • Step 306 The anchor SFA or the anchor PCEF determines, according to the PCC policy, the local policy, or the subscription information, that if the resource reservation request is accepted, the service SFA resource reservation response message is sent, and the QoS information is carried.
  • the access gateway on the network side can save indications as to whether or not to modify the traffic flow.
  • Step 307 The anchor SFA returns a resource reservation response to the service SFA.
  • Step 308 The serving SFA returns a tunnel registration response to the SFM.
  • Step 309 The SFM performs a resource allocation operation.
  • Step 310 The home base station sends a dynamic service response message to the terminal.
  • Step 311 The terminal sends back a dynamic service confirmation message to the SFM.
  • Step 312 Continue to perform a user service flow establishment process.
  • the foregoing embodiment uses the scenario in which the terminal initiates the service flow establishment as an example to describe the manner in which the home base station obtains the indication information of whether to modify the service flow, and other implementation scenarios, such as the scenario in which the terminal initiates the service flow modification.
  • the manner of transmitting the indication information for modifying the service flow to the home base station and/or the access gateway is very similar to the processing flow of the foregoing embodiment, and does not affect the description of the present invention, so the description will not be repeated here. .
  • FIG. 4 is a flow chart of resource control in a high priority user access process provided by the present invention on the basis of the home base station system of FIG. 1.
  • one or more low priority user service flows already exist in the home base station system before the high priority user accesses.
  • the home base station can determine whether to permit modification of the non-BE service flow of the low priority user according to whether or not the modification of the service flow is allowed. The specific steps are described as follows:
  • Step 401 The low priority user has accessed the home base station system, and the corresponding service flow is established.
  • Step 402 The high-priority user accesses the system, completes the authentication capability negotiation with the base station and the access gateway, and performs an authentication and authorization operation.
  • the high-priority user completes the negotiation of the user plane capability with the base station and the access gateway.
  • Step 403 The anchor SFA initiates a service flow creation request to the service SFA.
  • Step 404 The service SFA checks to create a data tunnel, and then initiates a tunnel registration request to the SFM, and carries the QoS parameter.
  • Step 405 The SFM checks the radio resource, and determines whether to accept the tunnel registration request according to the QoS parameter and the available resource condition. If the resource is insufficient and the user is a high-priority user, the resource required by the high-priority user, the resource occupied by the current low-priority user, whether there is any indication of whether to allow modification of the service flow, the service flow priority, and the user Priority to determine which non-BE traffic flows of which low priority users are modified.
  • the SFM finds that there is a non-BE traffic flow for the low priority user, and saves the permission to If the low priority user does not modify the indication information of the non-BE service flow, the SFM selects the non-BE service flow for modifying the service flow, and then performs steps 406 and 410;
  • the manner of selecting the low-priority user non-BE service flow for modifying the service flow may be randomly selected from the non-BE service flow of the low priority user until the current resource is sufficient to create or modify the service flow for the high priority user;
  • the lowest priority low priority user begins to select the non-BE traffic flow until the current resource is sufficient to create or modify the traffic flow for the high priority user.
  • Step 406 Perform dynamic service establishment between the home base station and the terminal.
  • Step 407 The SFM returns a tunnel registration response to the service SFA.
  • Step 408 The service SFA returns a resource reservation response to the anchor SFA.
  • Step 409 Continue to perform a high priority user service flow establishment process.
  • Step 410 the step is performed after step 405, and may be processed in parallel with step 406.
  • the SFM sends a tunnel modification request of the low priority user to the service SFA, carrying user information, user service flow information, requesting the modified QoS parameter, and modifying the service flow manner;
  • the manner of modifying the service flow indicates whether the QoS type of the service flow is modified to the BE type, or the QoS type of the service flow is unchanged, and the QoS parameters are reduced; for example, but not limited to, the QoS of the service flow is carried in the tunnel modification request.
  • the type is the BE type to indicate that the modification is to modify the QoS type of the service flow to the BE type, and only the modified target QoS parameter is carried in the tunnel modification request to indicate that the modification manner is to keep the QoS type of the service flow unchanged. Its QoS parameters;
  • Step 411 The serving SFA sends a resource reservation request of the low priority user to the anchor SFA, carries the user information, the user service flow information, requests the modified QoS parameter, and the manner of modifying the service flow.
  • Step 412 The anchor SFA or the anchor PCEF determines, according to the PCC policy, the local policy, or the subscription information, that if the resource reservation request is accepted, the service SFA resource reservation response message may be sent, and the QoS parameter may be carried.
  • Step 413 The anchor SFA sends a resource reservation response to the service SFA.
  • Step 414 the service SFA sends a tunnel modification response to the SFM.
  • Step 415 The SFM performs a resource allocation operation, that is, re-allocating the service flow of the low-priority user.
  • Step 416 The SFM sends a dynamic service request message to the terminal of the low priority user.
  • Step 417 The terminal of the low priority user sends back a dynamic service response message to the SFM.
  • Step 418 The SFM performs a dynamic service confirmation operation.
  • Step 419 the SFM confirms the tunnel modification to the service SFA.
  • Step 420 the service SFA confirms the resource reservation to the anchor SFA.
  • the foregoing embodiment uses an application scenario when a high-priority user accesses as an example to describe a manner in which a home base station performs resource control, and other implementation scenarios, such as triggering an access gateway to establish or modify a service flow,
  • the PCC triggers the access gateway to establish or modify the service flow
  • the resource control processing procedure for the low-priority user is very similar to the above embodiment, and will not be elaborated.
  • the present invention has an effect, so the description will not be repeated here.
  • FIG. 5 is a flow chart of resource control performed by the high priority user access process provided by the present invention on the basis of the home base station system of FIG. 1.
  • the home base station does not directly modify the bearer according to the indication information of whether to modify the service flow.
  • the modification request initiated by the home base station needs to carry the reason or indication for modifying the service flow (whether the cause or indication indicates whether the preemption is or not)
  • the network-side network element such as the access gateway, PCRF determines whether to accept the bearer modification request according to the cause or indication.
  • PCRF access gateway
  • Step 501 The low priority user has accessed the home base station system, and the corresponding service flow is established.
  • Step 502 The high-priority user accesses the system, completes the authentication capability negotiation with the base station and the access gateway, and performs an authentication and authorization operation.
  • the high-priority user completes the negotiation of the user plane capability with the base station and the access gateway.
  • Step 503 The anchor SFA initiates a service flow creation request to the service SFA, and carries the user information and the QoS parameter of the service flow requested to be created.
  • Step 504 The service SFA checks that a data tunnel needs to be created, and then initiates a tunnel registration request to the SFM, and carries the QoS parameter of the service flow.
  • Step 505 The SFM checks the radio resource, and determines whether to accept the tunnel registration request according to the QoS parameter of the high priority user service flow and the available resource condition. If the resource is insufficient and the user is a high-priority user, determine which non-priority users are selected according to the resources required by the high-priority user, the current low-priority user resource, the service flow priority, and the user priority. The BE service flow is modified.
  • the SFM finds that there is a non-BE service flow of the low priority user, the SFM selects the non-BE service flow for the service flow modification, and then performs steps 506 and 510;
  • the manner of selecting the low-priority user non-BE service flow for modifying the service flow may be randomly selected from the non-BE service flow of the low priority user until the current resource is sufficient to create or modify the service flow for the high priority user;
  • the lowest priority low priority user begins to select the non-BE traffic flow until the current resource is sufficient to create or modify the traffic flow for the high priority user.
  • Step 506 Perform dynamic service establishment between the home base station and the terminal.
  • Step 507 The SFM returns a tunnel registration response to the service SFA.
  • Step 508 The service SFA returns a resource reservation response to the anchor SFA.
  • Step 509 Continue to perform a high priority user service flow establishment process.
  • Step 510 the step is performed after step 505, and may be processed in parallel with step 506.
  • the SFM sends the tunnel modification request of the low-priority user to the service SFA, and carries the user information, the user service flow information, the manner of modifying the service flow, the reason for modifying the service flow, and the modified QoS parameter.
  • the reason for modifying the service flow may be It is a cause value or an indication value indicating a cause value.
  • the manner of modifying the service flow indicates whether the QoS type of the service flow is changed to the BE type or the QoS type of the service flow is kept unchanged, and the QoS parameter is lowered.
  • Step 511 The service SFA sends a resource reservation request of the low priority user to the anchor SFA, carries the reason for modifying the service flow, and modifies the service flow.
  • Step 512 The anchor SFA or the anchor PCEF determines whether to accept the resource reservation request according to the PCC policy, the local policy or the subscription information, the reason or the indication for modifying the service flow, and whether the indication information allowing the modification of the service flow is saved. If it needs to accept, it responds to the service SFA resource reservation response message and can carry QoS information.
  • Step 513 The anchor SFA sends a resource reservation response to the service SFA.
  • the serving SFA sends a tunnel modification response to the SFM.
  • Step 515 The SFM performs a resource allocation operation, that is, reallocating resources for the service flow of the low priority user.
  • Step 516 The SFM sends a dynamic service request message to the low priority user terminal.
  • Step 517 The terminal sends back a dynamic service response message to the SFM.
  • Step 518 the SFM performs a dynamic service confirmation operation.
  • step 519 the SFM confirms the tunnel modification to the serving SFA.
  • Step 520 the service SFA confirms the resource reservation to the anchor SFA.
  • the foregoing embodiment uses an application scenario when a high-priority user accesses as an example to describe a manner in which a home base station performs resource control, and other implementation scenarios, such as triggering an access gateway to establish or modify a service flow, If the PCC triggers the access gateway to establish or modify the service flow, if the home base station does not have enough resources to provide the high-priority user, the low-priority user may also perform the low-priority user resource control processing according to the foregoing embodiment. The modification of the service flow is not repeated here.
  • FIG. 6 is a flow chart of resource control performed by a terminal to initiate a high priority user service flow establishment process provided by the present invention.
  • one or more low priority user traffic flows already exist in the home base station system before the high priority user accesses.
  • the home base station can determine whether to permit modification of the non-BE service flow of the low priority user according to whether the permission to modify the service flow is allowed. The specific steps are described as follows:
  • Step 601 The terminal performs a dynamic service request, and carries the service flow that is requested to be established and the QoS parameter of the service flow.
  • Step 602 The home base station sends a reception confirmation message.
  • Step 603 The home base station checks the radio resource, and determines whether to accept the tunnel registration request according to the QoS parameter and the available resource condition. If the resource is insufficient and the user is a high-priority user, the resource required by the high-priority user, the current low-priority user occupies resources, whether to allow modification of the service flow, the service flow priority, and the user priority. To determine which non-BE traffic flows of low-priority users are modified.
  • the SFM finds that there is a non-BE traffic flow for the low priority user, and saves the permission to If the indication information of the low-priority user non-BE service flow is modified, the SFM selects the non-BE service flow for modifying the service flow, and then performs steps 604 and 613;
  • the manner of selecting the low-priority user non-BE service flow for modifying the service flow may be randomly selected from the non-BE service flow of the low priority user until the current resource is sufficient to create or modify the service flow for the high priority user;
  • the lowest priority low priority user begins to select the non-BE traffic flow until the current resource is sufficient to create or modify the traffic flow for the high priority user.
  • Step 604 The home base station sends a tunnel registration request to the service SFA.
  • Step 605 The service SFA sends a resource reservation request to the anchor SFA.
  • Step 606 The anchor SFA or the anchor PCEF determines, according to the PCC policy, the local policy, or the subscription information, that if the resource reservation request is accepted, the service SFA resource reservation response message may be carried, and the QoS information may be carried.
  • Step 607 The anchor SFA returns a resource reservation response to the service SFA.
  • Step 608 the service SFA returns a tunnel registration response to the SFM.
  • Step 609 The SFM performs a resource allocation operation.
  • Step 610 The home base station sends a dynamic service response message to the terminal.
  • Step 611 The terminal sends back a dynamic service confirmation message to the SFM.
  • Step 612 proceed to execute the user service flow establishment process.
  • Step 613 the step is performed after step 603, and may be processed in parallel with step 604.
  • the SFM sends the tunnel modification request of the low priority user to the service SFA, and carries the user information, the user service flow information, the manner of modifying the service flow, the reason for modifying the service flow, and the modified QoS parameter.
  • the reason may be a cause value. Or indicating the indication value of the cause value.
  • the manner of modifying the service flow indicates whether the QoS type of the service flow is changed to the BE type or the QoS type of the service flow is kept unchanged, and the QoS parameter is lowered.
  • Step 614 The service SFA sends a resource reservation request of the low priority user to the anchor SFA, carries the user information, the user service flow information, the manner of modifying the service flow, the reason for modifying the service flow, and requesting the modified QoS parameter.
  • Step 615 anchoring the SFA or anchoring the PCEF according to the PCC policy, local policy, or subscription information Determining that if the resource reservation request is accepted, the service SFA resource reservation response message is sent, which may be carried
  • Step 616 The anchor SFA sends a resource reservation response to the serving SFA.
  • Step 617 The service SFA sends a tunnel modification response to the SFM.
  • Step 618 the SFM performs a resource allocation operation.
  • Step 619 The SFM sends a dynamic service request message to the terminal.
  • Step 620 The terminal sends back a dynamic service response message to the SFM.
  • Step 621 The SFM performs a dynamic service confirmation operation.
  • Step 622 The SFM confirms the tunnel modification to the service SFA.
  • Step 623 The service SFA confirms the resource reservation to the anchor SFA.
  • the foregoing embodiment uses the scenario in which the terminal initiates the establishment of the high-priority user service flow as an example to describe the manner in which the home base station performs resource control, and other implementation scenarios, such as the scenario in which the terminal initiates the modification of the high-priority user service flow. If the home base station does not have sufficient resources for the high priority user, the resource control processing flow for the low priority user is very similar to the above embodiment. Therefore, the description will not be repeated here.
  • the SFM may also select an object for modifying the service flow in the manner as described in FIG. 5, and how to complete the modification of the service flow, that is, the SFM does not perform according to whether the save is available.
  • the service flow modification instruction is used to select the service flow of the low priority user, but the reason for the service flow modification is carried when the tunnel modification request of the low priority user is sent to the service SFA, and the specific operation is similar to the embodiment described in FIG. 5, The description will not be repeated here.
  • FIG. 7 is a flow chart of resource control performed by the high priority user access process provided by the present invention on the basis of the home base station system of FIG. 1.
  • the home base station can determine whether to allow the service flow modification to be performed according to whether or not the modification of the service flow is allowed.
  • the home base station notifies the network side that the service flow needs to be modified, but the notification message does not carry the QoS parameter, and the network side initiates the service flow modification operation.
  • Step 701 The low priority user has accessed the home base station system, and the corresponding service flow is established.
  • Step 703 The anchor SFA initiates a service flow creation request to the service SFA.
  • Step 704 The service SFA checks to create a data tunnel, and then initiates a tunnel registration request to the SFM, and carries the QoS parameter.
  • Step 705 The SFM checks the radio resource, and determines whether to accept the tunnel registration request according to the QoS parameter and the available resource condition. If the resource is insufficient and the user is a high-priority user, the resource required by the high-priority user, the current low-priority user occupies resources, whether to allow modification of the service flow, the service flow priority, and the user priority. To determine which non-BE traffic flows of which low priority users are downgraded.
  • the SFM finds that there is a non-BE service flow of the low priority user, and saves the indication information that allows modification of the low priority user non-BE service flow, the SFM selects the non-BE service flow for the service flow modification, and then executes Steps 706 and 710;
  • the manner of selecting the low-priority user non-BE service flow for modifying the service flow may be randomly selected from the non-BE service flow of the low priority user until the current resource is sufficient to create or modify the service flow for the high priority user;
  • the lowest priority low priority user begins to select the non-BE traffic flow until the current resource is sufficient to create or modify the traffic flow for the high priority user.
  • Step 706 Perform dynamic service establishment between the home base station and the terminal.
  • Step 707 The SFM returns a tunnel registration response to the service SFA.
  • Step 708 The service SFA returns a resource reservation response to the anchor SFA.
  • step 709 the high priority user service flow establishment process is continued.
  • Step 710 the step is performed after step 705, and may be processed in parallel with step 706.
  • the SFM sends a tunnel modification notification to the service SFA, which carries the user information (such as the user identifier) and the user service flow information (such as the service flow identifier), the manner of modifying the service flow, or/and the reason for modifying the service flow;
  • the SFM sends a tunnel modification notification to the serving SFA, the modified QoS parameter is not carried, and the modified QoS parameter is determined by the network side.
  • Step 711 The service SFA sends a resource reservation notification of the low priority user to the anchor SFA. With the user ID, the service flow identifier, the way the service flow is modified, or/and the reason for the service flow modification.
  • the PCC rule of the BE type is sent to the anchor PCEF; if the resource reservation notification is not carried
  • the reason for the modification of the service flow is that the PCRF determines whether to accept the modification according to the indication indicating whether the service flow modification is permitted or not, and if yes, sends a PCC rule of the BE type to the anchor PCEF.
  • Step 713 The anchor SFA or the anchor PCEF initiates a service flow modification process according to the PCC rule, the local policy or the subscription information, and the modification reason in the manner indicated by the resource reservation notification.
  • the foregoing embodiment uses an application scenario when a high-priority user accesses as an example to describe a manner in which a home base station performs resource control, and other implementation scenarios, such as triggering an access gateway to establish or modify a service flow,
  • the PCC triggers the access gateway to establish or modify the service flow, and the terminal initiates the service flow establishment or modification. If the home base station does not have enough resources to provide the high priority user, the information may be directly determined according to whether the service flow modification instruction is allowed.
  • the SFM sends a tunnel modification notification to the service SFA, which carries the user information (such as the user ID) and the user service flow information (such as the service flow identifier), the manner of modifying the service flow, or / and the reason for the modification of the service flow; the PCRF determines whether it can be modified in the manner indicated by the notification. In addition to the reason for the modification, it should also check whether there is an indication that the service flow modification is saved, that is, whether the service flow modification is allowed. Instructions, if yes, accept The modified notification in the manner indicated, without indicating the notice is not accepted according to proceed in the manner indicated modifications.
  • FIG. 8 is a flow chart of resource control in a high priority user access process provided by the home base station system of FIG. 1 according to the present invention.
  • the home base station can determine whether to allow the service flow to be modified to the BE type according to whether the information indicating that the service flow is allowed to be modified is allowed.
  • the home base station first performs a handover operation on the low priority user, and if the handover fails, initiates a process of modifying the low priority user service flow.
  • Step 801 The low priority user has accessed the home base station system, and the corresponding service flow is established.
  • Step 802 The high-priority user accesses the system, completes the authentication capability negotiation with the base station and the access gateway, and performs an authentication and authorization operation.
  • the high-priority user completes the negotiation of the user plane capability with the base station and the access gateway.
  • Step 803 The anchor SFA initiates a service flow creation request to the service SFA.
  • Step 804 The service SFA checks to create a data tunnel, and then initiates a tunnel registration request to the SFM, and carries the QoS parameter.
  • Step 805 The SFM checks the radio resource, and determines whether to accept the tunnel registration request according to the QoS parameter and the available resource condition. If the resource is insufficient and the user is a high-priority user, the low-priority user needs resources, the current low-priority user resource, and the user priority to determine which low-priority users to switch. The user with the lowest level makes a selection, or it can be a random selection.
  • step 807 is executed to initiate the handover request.
  • Step 806 continuing to execute the high priority user service flow establishing process.
  • Step 807 the step is performed after step 805, and may be processed in parallel with step 806.
  • the home base station sends a handover request to the target ASN1, carrying information of User 1 and User 2, such as the identifiers of User 1 and User 2.
  • Step 808 The home base station simultaneously sends a handover request to the target ASN2, carrying information of the user 1 and the user 2, such as the identifiers of the user 1 and the user 2.
  • Step 809 the target ASN1 responds to the home base station with a handover response.
  • Step 810 The target ASN2 responds to the home base station with a handover response.
  • Step 811 If the handover user 1 fails (for example, the handover response indication of the target ASN1 response fails), the serving home base station may modify the service flow according to the required resources of the high priority user, the current low priority user occupation resource, and the service flow.
  • the indication information, the traffic priority is used to determine which non-BE traffic flows of the user 1 are modified to the BE type.
  • the home base station performs modification processing on the non-BE service flow that the user 1 allows to modify, and releases the non-BE service flow that is not allowed to be modified.
  • the home base station is served, that is, the home base station where the user switches before;
  • the SFM finds that there is a non-BE service flow of the low priority user, and saves the indication information that allows the modification of the service flow, the SFM will modify the non-BE service flow that the user 1 allows to modify, and issue a low priority to the service SFA.
  • the tunnel modification request of the level user requesting to modify the QoS type of the service flow to the BE type, and carrying the modified QoS parameter.
  • Step 812 The serving SFA sends a resource reservation request of the low priority user to the anchor SFA, requesting to modify the QoS type of the service flow to the BE type, and carrying the modified QoS parameter.
  • Step 813 The anchor SFA or the anchor PCEF determines, according to the PCC policy, the local policy, or the subscription information, that if the resource reservation request is accepted, the service SFA resource reservation response message may be carried, and the QoS information may be carried.
  • Step 814 The anchor SFA sends a resource reservation response to the serving SFA.
  • Step 815 The service SFA sends a tunnel modification response to the SFM.
  • Step 816 the SFM performs a resource allocation operation.
  • Step 817 The SFM sends a dynamic service request message to the terminal.
  • Step 818 The terminal sends back a dynamic service response message to the SFM.
  • Step 819 the SFM performs a dynamic service confirmation operation.
  • Step 820 the SFM confirms the tunnel modification to the service SFA.
  • Step 821 the service SFA confirms the resource reservation to the anchor SFA.
  • the foregoing embodiment uses an application scenario when a high-priority user accesses as an example to describe a manner in which a home base station performs resource control, and other implementation scenarios, such as a handover failure occurring in a terminal performing a handover process, in an authentication authorization server.
  • the triggering access gateway establishes or modifies the service flow
  • the PCC triggers the access gateway to establish or modify the service flow
  • the terminal initiates the service flow establishment or modification
  • the home base station does not directly modify the bearer according to whether the service flow is allowed to be modified.
  • the resource control processing procedure for the low-priority user is very similar to the above embodiment, and does not affect the description of the present invention, so it is not repeated here. description.
  • the indication allowed to be modified to BE can be configured in the home base station device.
  • the home base station may modify the non-BE service flow of the low-priority user by changing the QoS type of the non-BE service flow to the BE type, or keeping the QoS type of the service flow unchanged, and reducing the QoS parameters (such as the maximum transmission). Rate).
  • the home base station selects the non-BE service flow of the low priority user for the service flow modification according to one of the following ways: randomly selecting from the non-BE service flow of the low priority user, or starting from the lowest priority low priority user
  • the non-BE traffic is selected until the current resource is sufficient to create or modify the traffic for the high priority user.
  • modules or steps of the present invention can be implemented by a general-purpose computing device, which can be concentrated on a single computing device or distributed over a network composed 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, or they may be separately fabricated into individual integrated circuit modules, or they may be Multiple modules or steps are made into a single integrated circuit module. Thus, the invention is not limited to any particular combination of hardware and software.
  • the system and method for controlling resources of a user allow a user to modify a resource of a service flow of a low-priority user under the condition of permission of the operator, thereby ensuring successful access of a high-priority user. At the same time, it provides maximum protection for the business use of low-priority users, effectively enhancing the user experience.

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  • Computer Networks & Wireless Communication (AREA)
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Abstract

La présente invention porte sur un système et sur un procédé permettant de réaliser la commande des ressources utilisateurs. Le procédé consiste en ce que, lorsque le flux de services de l'utilisateur ayant une priorité plus élevée est défini ou modifié, si les ressources actuelles ne sont pas suffisantes, le nœud B domestique (HNB) effectue la modification du flux de services de l'utilisateur ayant une priorité plus faible selon l'une des manières suivantes : en modifiant le type de flux de services qui n'est pas au mieux (BE) du type de qualité de service (QoS) de l'utilisateur ayant une priorité plus faible au type de flux de services BE, ou en laissant le type de QoS de l'utilisateur ayant une priorité plus faible mais en réduisant le paramètre de QoS. Le système de l'invention comprend un nœud HNB qui est conçu pour modifier le flux de services de l'utilisateur ayant une priorité plus faible. Lorsqu'un utilisateur a accès au nœud HNB, le procédé et le système de la présente invention garantissent le succès de l'accès de l'utilisateur ayant une priorité plus élevée et, en même temps, garantissent la poursuite du passage des flux de services de l'utilisateur ayant une priorité plus faible et, par conséquent, renforcent l'expérience d'utilisation de l'utilisateur.
PCT/CN2009/073557 2009-04-30 2009-08-27 Système et procédé permettant de réaliser la commande des ressources utilisateurs WO2010124485A1 (fr)

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