WO2016165307A1 - 决策服务质量QoS的方法、网络侧网元及系统 - Google Patents

决策服务质量QoS的方法、网络侧网元及系统 Download PDF

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Publication number
WO2016165307A1
WO2016165307A1 PCT/CN2015/092852 CN2015092852W WO2016165307A1 WO 2016165307 A1 WO2016165307 A1 WO 2016165307A1 CN 2015092852 W CN2015092852 W CN 2015092852W WO 2016165307 A1 WO2016165307 A1 WO 2016165307A1
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network element
capability
qos
radio access
user equipment
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PCT/CN2015/092852
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English (en)
French (fr)
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汪钱纯
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中兴通讯股份有限公司
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Publication of WO2016165307A1 publication Critical patent/WO2016165307A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H04W28/24—Negotiating SLA [Service Level Agreement]; Negotiating QoS [Quality of Service]

Definitions

  • This application relates to, but is not limited to, the field of communications.
  • SAE System Architecture Evolution
  • Evolved RAN (Evolved RAN): It can provide higher uplink and downlink rates, lower transmission delay and more reliable wireless transmission.
  • the network element included in the E-RAN is an eNodeB (Evolved NodeB), which provides radio resources for terminal access.
  • HSS Home Subscriber Server Permanently stores user subscription data.
  • Mobility Management Entity A control plane function entity, a server that temporarily stores user data, and is responsible for managing and storing User Equipment (UE) contexts (such as UE/user ID, mobility management status, user security parameters, etc.). Assigning a temporary identifier to the user when the UE is camped on the tracking area or the network is responsible for authenticating the user; processing all non-access stratum messages between the MME and the UE; triggering paging at the SAE.
  • UE User Equipment
  • SGSN Serving GPRS Support Node
  • GPRS General Packet Radio Service
  • GMM GPRS Mobility Management
  • PDP Packet Data Protocol
  • This gateway is a user plane entity responsible for user plane data routing processing and terminating downlink data of UEs in idle state. Manage and store the SAE bearer context of the UE, such as IP bearer service parameters and network internal routing information. It is the anchor point of the internal user plane of the 3GPP system. A user can only have one SGW at a time.
  • Packet Data Network Gateway PDN GW The gateway responsible for UE access to the PDN, assigns the user IP address, and is the mobility anchor of 3GPP and non-3GPP access systems. Users can access multiple PDN GWs at the same time.
  • PCRF Policy and Charging Rule Functionality
  • the function entity generates a Quality of Service (QoS) rule for controlling user data transmission based on service information and user subscription information and operator configuration information. Fee rules.
  • QoS Quality of Service
  • the functional entity can also control the establishment and release of bearers in the access network.
  • the user attaches to the packet domain evolution network.
  • the MME carries the user subscription QoS to the PDN GW/PCRF.
  • the subscription QoS includes the maximum bit rate of the access point aggregation.
  • APN-AMBR Access Point Name-Aggregate Maximum Bit Rate, etc.
  • PDN GW/PCRF determines the QoS to be used, including parameters such as APN-AMBR.
  • PDN GW/PCRF will directly use the contracted QoS.
  • the subscription is based on the user, and the rate may be large, such as a rate greater than 256 Mbps. For a terminal that does not support carrier aggregation (CA), it cannot support a rate greater than 256 Mbps, which may cause the terminal to refuse activation and affect the user experience.
  • CA carrier aggregation
  • the PDN GW/PCRF needs a certain bearer (Maximum Bit Rate)/GBR (Guaranteed Bit Rate) to be greater than 256 Mbps according to the service flow decision. Since the PDN GW/PCRF does not know the CA capability of the UE, the rate is Delivered to the UE, the UE may refuse.
  • This document provides a method for determining the quality of service QoS, the network side network element and the system, to solve the problem that the network side fails to activate the QoS when the network side does not know the CA capability of the user equipment and sends the QoS beyond the capability of the UE. problem.
  • a method for determining quality of service QoS comprising: network side network element acquiring user equipment or wireless The carrier aggregation CA capability of the access network element; the network side network element saves the CA capability, and forwards the CA capability, so that the QoS decision network element delivers the QoS according to the CA capability decision;
  • the QoS decision network element includes a packet data gateway and/or a policy and charging rule function entity PCRF.
  • the radio access network element obtains the CA capability of the parsed user equipment.
  • the method further includes: when the user equipment moves, the network side network element acquires a mobility management entity MME or service before the user equipment moves
  • the GPRS supports the CA capability of the user equipment carried by the node SGSN, and saves the CA capability of the user equipment.
  • the network side network element forwarding the CA capability includes: the network side network element sending a third request message to the packet data gateway by using the serving gateway, where the third request message includes the CA capability.
  • the network side network element forwarding the CA capability includes: the network side network element sending a fourth request message to the policy and charging rule function entity PCRF by using the serving gateway and the packet data gateway, where the The CA capability is included in the four request messages.
  • the network side network element includes a mobility management entity MME and/or a serving GPRS support node SGSN.
  • a QoS processing method for determining a quality of service comprising: a QoS decision network element receiving a fifth request message, wherein the fifth request message carries a carrier aggregation CA capability of a user equipment or a radio access network element; the QoS The decision network element saves the CA capability and determines the QoS delivered according to the CA capability, wherein the QoS decision network element includes a packet data gateway and/or a policy and charging rule function entity PCRF.
  • a network side network element comprising: an obtaining module, configured to: obtain a carrier aggregation CA capability of the user equipment or the radio access network element; and save the forwarding module, and set the method to: save the CA capability, and forward the CA capability,
  • the QoS decision network element includes a packet data gateway and/or a policy and charging rule function entity PCRF, so that the QoS decision network element performs the QoS delivered according to the CA capability decision.
  • the acquiring module is configured to obtain the CA capability of the radio access network element from the first request message sent by the radio access network element, or obtain the radio access according to the local configuration of the granularity of the radio access network element.
  • the CA capability of the network element is configured to obtain the CA capability of the radio access network element from the first request message sent by the radio access network element, or obtain the radio access according to the local configuration of the granularity of the radio access network element.
  • the acquiring module is configured to obtain the CA capability of the user equipment from the second request message sent by the user equipment, or obtain the CA capability of the user equipment that is parsed from the radio access network element.
  • the network element further includes a second acquiring module, configured to: acquire, after the user equipment moves, the CA of the user equipment carried by the mobility management entity MME or the serving GPRS support node SGSN before the user equipment moves Ability to save the CA capabilities of the user device.
  • a second acquiring module configured to: acquire, after the user equipment moves, the CA of the user equipment carried by the mobility management entity MME or the serving GPRS support node SGSN before the user equipment moves Ability to save the CA capabilities of the user device.
  • the save forwarding module includes: a first sending unit, configured to: send, by the serving gateway, a third request message to the packet data gateway, where the third request message includes the CA capability.
  • the save forwarding module includes: a second sending unit, configured to: send, by the serving gateway and the packet data gateway, a fourth request message to the policy and charging rule function entity PCRF, where the fourth request message is Includes the CA capabilities.
  • a system for determining quality of service QoS includes a network side network element and a quality of service QoS decision network element, the network side network element including a mobility management entity MME and/or a serving GPRS support node SGSN, the QoS decision network element including a packet a data gateway and/or a policy and charging rule function entity PCRF, where the network side network element is configured to: acquire a carrier aggregation CA capability of the user equipment or the radio access network element, save the CA capability, and send the CA capability to the QoS decision network.
  • the MME sends the CA capability; the QoS decision network element receives the CA capability, and determines the QoS delivered according to the CA capability.
  • a computer readable storage medium storing computer executable instructions for performing the method of any of the above.
  • the technical solution of the present application solves the problem that the network side does not know the CA capability of the UE and delivers the QoS beyond the capability of the UE, which causes the UE to refuse to activate, thereby achieving the effect of reducing the service failure rate and improving the user experience.
  • FIG. 2 is a flowchart of a method for determining a quality of service QoS for a network side network element according to an embodiment of the present invention
  • FIG. 3 is a flowchart of a QoS decision processing method for a QoS decision network element according to an embodiment of the present invention
  • FIG. 4 is a flow chart of an embodiment of the present invention in an attach or PDN connection establishment or PDP (Packet Data Protocol) establishment process when a PCC is not deployed;
  • PDN connection establishment or PDP Packet Data Protocol
  • FIG. 5 is a flow chart of an embodiment of the present invention in an attach or PDN connection establishment or PDP setup process when a PCC is deployed;
  • FIG. 6 is a flow chart of an embodiment of the present invention in a process of establishing/updating a dedicated bearer when no PCC is deployed;
  • FIG. 7 is a flow chart of an embodiment of the present invention in a process of establishing and updating a dedicated bearer when deploying a PCC;
  • FIG. 8 is a flow chart of an embodiment of the present invention in a tracking area update or routing area tracking process
  • Figure 9 is a flow chart of one embodiment of the present invention during a handover process
  • Figure 10 is a flow chart of one embodiment of the present invention in a path switching process
  • FIG. 11 is a schematic diagram of a network side network element according to an embodiment of the present invention.
  • FIG. 12 is a schematic diagram of a system for determining quality of service QoS according to an embodiment of the present invention.
  • An embodiment of the present invention provides a method for determining a quality of service QoS. As shown in FIG. 2, for a network side network element, the following steps are included:
  • Step 11 The network side network element acquires a carrier aggregation CA capability of the user equipment or the radio access network element.
  • Step 12 The network side network element saves the CA capability, and forwards the CA capability, so that the quality of service QoS decision network element determines the QoS delivered according to the CA capability decision.
  • the network side network element comprises a mobility management entity MME and/or a serving GPRS support node SGSN, and the QoS decision network element comprises a packet data gateway and/or a policy and charging rule function entity PCRF.
  • a method for determining quality of service QoS according to an embodiment of the present invention, for a QoS decision network element includes the following steps:
  • Step 21 The QoS decision network element receives the request message, where the request message carries the carrier aggregation CA capability of the user equipment or the radio access network element;
  • Step 22 The QoS decision network element saves the CA capability, and determines the QoS delivered according to the CA capability.
  • the QoS decision network element includes a packet data gateway and/or a policy and charging rule function entity PCRF.
  • FIG. 4 it is an embodiment of the present invention in the process of attaching an attach or PDN connection establishment or PDP establishment when the Policy and Charging Control (PCC) is not deployed. Proceed as follows:
  • Step 201 The user initiates an attach or PDN connection setup message or activates a PDP request message to the network, where the network side (the mobility management entity MME or the serving GPRS support node SGSN) acquires the CA capability of the user equipment UE or the radio access network element; Including the following situations:
  • the UE directly carries its CA capability in the request message
  • the radio access network element carries the CA capability of the parsed UE in the request message
  • the radio access network element directly carries its CA capability in the request message
  • the mobility management entity MME or the serving GPRS support node SGSN determines the CA capability of the radio access network element according to the local configuration based on the granularity of the radio access network element identifier/tracking area/location area/PLMN;
  • Step 202 The mobility management entity or the serving GPRS support node saves the CA capability of the UE.
  • Step 203 The mobility management entity or the serving GPRS support node sends a create session request message to the serving gateway, where the message includes a CA capability integrated by the UE and the radio access network element.
  • Step 204 The serving gateway sends a create session request message to the packet data gateway, where the message includes a CA capability integrated by the UE and the radio access network element.
  • Step 205 The packet data gateway saves the CA capability of the UE and the radio access network element, and determines the QoS delivered according to the CA capability decision.
  • Step 206 The packet data gateway sends a create session response message to the serving gateway, where the message includes QoS.
  • Step 207 The serving gateway sends a create session response message to the mobility management entity or the serving GPRS support node, where the message includes QoS;
  • Step 208 attach or PDN connection or other process of PDP establishment.
  • FIG. 5 it is an embodiment of the present invention in the process of attaching an attach or PDN connection establishment or PDP establishment when deploying a PCC. Proceed as follows:
  • Step 301 is the same as step 201;
  • Step 302 The mobility management entity or the serving GPRS support node saves the CA capability of the UE.
  • Step 303 The mobility management entity or the serving GPRS support node sends a create session request message to the serving gateway, where the message includes the CA capability of the UE and the radio access network element.
  • Step 304 The serving gateway sends a create session request message to the packet data gateway, where the message is encapsulated Including CA capabilities integrated by the UE and the radio access network element;
  • Step 305 The packet data gateway sends an IP-CAN session establishment request message to the policy and charging rule function entity, where the message includes the CA capability of the UE and the radio access network element.
  • Step 306 The policy and charging rule function entity saves the CA capability of the UE and the radio access network element, and the QoS delivered according to the CA capability decision;
  • Step 307 The policy and charging rule function entity sends an IP-CAN session establishment response message to the packet data gateway, where the message includes QoS;
  • Step 308 the packet data gateway sends a create session response message to the service gateway, where the message includes QoS;
  • Step 309 the serving gateway sends a create session response message to the mobility management entity or the serving GPRS support node, where the message includes QoS;
  • Step 310 attach or PDN connection establishment or other process processing of PDP establishment.
  • FIG. 6 it is an embodiment of the present invention in a proprietary bearer setup/update process when no PCC is deployed.
  • Step 401 When the packet data gateway establishes/updates a dedicated bearer, the QoS that is delivered according to the CA capability of the UE and the radio access network element is determined;
  • Step 402 The packet data gateway sends a bearer setup/update request message to the serving gateway, where the message includes QoS.
  • Step 403 The serving gateway sends a bearer setup/update request message to the mobility management entity or the serving GPRS support node, where the message includes QoS.
  • step 404 other process processing of the bearer setup/update is performed.
  • FIG. 7 it is an embodiment of the present invention in the process of establishing/updating a dedicated bearer when deploying a PCC.
  • Step 501 When the policy and the charging rule function entity triggers the establishment/update of the dedicated bearer, the QoS that is delivered according to the CA capability of the UE and the radio access network element is determined.
  • Step 502 The policy and charging rule function entity sends a Re-Auth-Request message to the packet data gateway, where the message includes QoS;
  • Step 503 The packet data gateway sends a Re-Auth-Answer message to the policy and charging rule function entity.
  • Step 504 The packet data gateway sends a bearer setup/update request message to the serving gateway, where the message includes QoS.
  • Step 505 The serving gateway sends a bearer setup/update request message to the mobility management entity or the serving GPRS support node, where the message includes QoS.
  • step 506 other process processing of the bearer setup/update is performed.
  • one embodiment of the present invention is in the tracking area update or routing area tracking process.
  • Step 601 The user initiates a tracking area update or routing area update message to the network.
  • the network side obtains the CA capability of the radio access network element in two ways: a) the radio access network element directly carries the CA capability in the request message. ;b) the new SGSN/MME determines the CA capability of the radio access network element according to the local configuration based on the granularity of the radio access network element identification/tracking area/location area/PLMN;
  • Step 602 a context request process, where the old SGSN/MME carries the CA capability of the UE that it previously saved to the new SGSN/MME;
  • Step 603 The new SGSN/MME saves the CA capability of the UE.
  • Step 604 The new SGSN/MME sends a create session request message to the serving gateway, where the message includes the CA capability integrated by the UE and the radio access network element.
  • Step 605 The serving gateway sends a modify bearer request message to the packet data gateway, where the message includes the CA capability of the UE and the radio access network element.
  • Step 606 If the PCC is deployed, the packet data gateway sends an IP-CAN session modification request message to the policy and charging rule function entity, where the message includes the CA capability of the UE and the radio access network element. If the PCC is not deployed, the steps are performed. 608;
  • Step 607 the policy and charging rule function entity sends an IP-CAN session repair to the packet data gateway. Change the response message;
  • Step 608 The packet data gateway sends a modify bearer response message to the serving gateway.
  • Step 609 The serving gateway sends a create session response message to the new SGSN/MME.
  • Step 610 Tracking area update or other process processing of routing area tracking
  • Step 611 The PCRF or the PGW determines that if the CA capability of the UE and the radio access network element is changed (for example, if the capability of the CA is not supported, or vice versa), the QoS of the CA capability decision may be changed (for example, the QoS is increased). Or lowering, triggering the bearer modification process processing; the UE supports the CA, the radio access network element (1) accessed by the UE supports the CA, and the subsequent UE moves to the radio access network element (2) does not support the CA, that is, the UE and the radio connection
  • the CA capability of the integrated network element is changed from support to unsupported.
  • the PCRF or PGW can reduce the QoS according to the changed CA capability. Otherwise, the CA capability of the UE and the radio access network element is supported by the unsupported change.
  • the PCRF or PGW can Increase QoS based on varying CA capabilities.
  • Step 701 The radio access network element sends a handover request message.
  • Step 702 Forward a handover request procedure, where the old SGSN/MME carries the CA capability of the UE that it previously saved to the new SGSN/MME;
  • Step 703 The new SGSN/MME sends a handover request message to the radio access network element.
  • Step 704 The radio access network element sends a handover request response message to the new SGSN/MME.
  • the network side obtains the CA capability of the radio access network element in two ways: a) the radio access network element directly carries the request response message. The CA capability; b) the new SGSN/MME determines the CA capability of the radio access network element according to the local configuration based on the granularity of the radio access network element identifier/tracking area/location area/PLMN;
  • Step 705 The new SGSN/MME saves the CA capability of the UE.
  • Step 707 The new SGSN/MME sends a modify bearer request message to the serving gateway, where the message includes the CA capability of the UE and the radio access network element.
  • Step 708 The serving gateway sends a modify bearer request message to the packet data gateway, where the message is encapsulated Including CA capabilities integrated by the UE and the radio access network element;
  • Step 709 If the PCC is deployed, the packet data gateway sends an IP-CAN session modification request message to the policy and charging rule function entity, where the message includes the CA capability of the UE and the radio access network element. If the PCC is not deployed, the steps are performed. 711;
  • Step 710 The policy and charging rule function entity sends an IP-CAN session modification response message to the packet data gateway.
  • Step 711 The packet data gateway sends a modify bearer response message to the serving gateway.
  • Step 712 The serving gateway sends a modify bearer response message to the new SGSN/MME.
  • Step 713 other process of switching
  • Step 714 is the same as step 611.
  • FIG. 10 it is an embodiment of the present invention in the path switching process.
  • Step 801 The target radio access network element sends a path switch request message, where the network side obtains the CA capability of the radio access network element in two ways: a) the radio access network element directly carries its CA capability in the request message; b) the SGSN/MME determines the CA capability of the radio access network element according to the local configuration based on the granularity of the radio access network element identifier/tracking area/location area/PLMN;
  • Step 802 The SGSN/MME saves the CA capability of the UE.
  • Step 803 The SGSN/MME sends a modify bearer request message to the serving gateway, where the message includes the CA capability of the UE and the radio access network element.
  • Step 804 The serving gateway sends a modify bearer request message to the packet data gateway, where the message includes a CA capability integrated by the UE and the radio access network element.
  • Step 805 If the PCC is deployed, the packet data gateway sends an IP-CAN session modification request message to the policy and charging rule function entity, where the message includes the CA capability of the UE and the radio access network element. If the PCC is not deployed, the steps are performed. 807;
  • Step 806 The policy and charging rule function entity sends an IP-CAN session modification response message to the packet data gateway.
  • Step 807 The packet data gateway sends a modify bearer response message to the serving gateway.
  • Step 808 The serving gateway sends a modify bearer response message to the SGSN/MME.
  • Step 809 other process processing of path switching
  • Step 810 is the same as step 611.
  • the embodiment of the present invention further provides a network side network element, where the network element can be used to implement the foregoing method.
  • the obtaining module 31 is configured to: acquire a carrier aggregation CA capability of the user equipment or the radio access network element; and the save forwarding module 32 is configured to: save the CA capability, and forward the CA capability to enable the QoS decision network element The QoS delivered according to the CA capability decision; wherein the QoS decision network element includes a packet data gateway and/or a policy and charging rule function entity PCRF.
  • the obtaining module 31 is configured to acquire the CA capability of the radio access network element from the first request message sent by the radio access network element, or obtain the radio access network according to the local configuration of the radio access network element granularity. Meta CA capability; or,
  • the network side network element may further include a second acquiring module, configured to: acquire, after the user equipment moves, the CA of the user equipment carried by the mobility management entity MME or the serving GPRS support node SGSN before the user equipment moves Ability to save the CA capabilities of the user device.
  • a second acquiring module configured to: acquire, after the user equipment moves, the CA of the user equipment carried by the mobility management entity MME or the serving GPRS support node SGSN before the user equipment moves Ability to save the CA capabilities of the user device.
  • the save forwarding module 32 includes: a first sending unit, configured to: send, by the serving gateway, a third request message to the packet data gateway, where the third request message includes the CA capability.
  • the save forwarding module 32 may further include: a second sending unit, configured to: send, by the serving gateway and the packet data gateway, a fourth request message to the policy and charging rule function entity PCRF, where the fourth request message includes The CA capability.
  • a second sending unit configured to: send, by the serving gateway and the packet data gateway, a fourth request message to the policy and charging rule function entity PCRF, where the fourth request message includes The CA capability.
  • an embodiment of the present invention further provides a system for determining quality of service QoS, which system can be used to implement the foregoing method.
  • the network side network element 41 and the QoS decision network element 42 are included, and the network side network element 41 includes a mobility management entity MME and/or a serving GPRS support node SGSN.
  • the QoS decision network element 42 includes a packet data gateway and/or a policy and charging rule function entity PCRF, wherein the network side network element 41 is configured to acquire carrier aggregation CA capability of the user equipment or the radio access network element.
  • the CA capability is saved, and the CA capability is sent to the QoS decision network element 42.
  • the QoS decision network element 42 is configured to: receive the CA capability, and determine the QoS delivered according to the CA capability.
  • network side network element and/or the system described in the foregoing embodiment corresponds to the foregoing method embodiment, and the implementation process thereof has been described in detail in the method embodiment, and details are not described herein again.
  • the problem that the network side does not know the CA capability of the UE and the QoS that exceeds the capability of the UE is delivered, causing the UE to refuse to activate, thereby reducing the service failure rate and improving the user.
  • the effect is not limited to the foregoing embodiment of the present invention.
  • all or part of the steps of the above embodiments may also be implemented by using an integrated circuit. These steps may be separately fabricated into individual integrated circuit modules, or multiple modules or steps may be fabricated into a single integrated circuit module. achieve.
  • the devices/function modules/functional units in the above embodiments may be implemented by a general-purpose computing device, which may be centralized on a single computing device or distributed over a network of multiple computing devices.
  • the device/function module/functional unit in the above embodiment When the device/function module/functional unit in the above embodiment is implemented in the form of a software function module and sold or used as a stand-alone product, it can be stored in a computer readable storage medium.
  • the above mentioned computer readable storage medium may be a read only memory, a magnetic disk or an optical disk or the like.
  • the embodiment of the present invention solves the problem that the network side does not know the CA capability of the user equipment UE, and the QoS that exceeds the capability of the UE is delivered, which causes the UE to refuse to activate, thereby achieving the effect of reducing the service failure rate and improving the user experience.

Abstract

本文公布一种决策服务质量QoS的方法、网络侧网元及系统，所述方法包括网络侧网元获取用户设备或无线接入网元的载波聚合CA能力；所述网络侧网元保存所述CA能力，并转发所述CA能力，以使服务质量QoS决策网元根据所述CA能力决策下发的QoS。

Description

决策服务质量QoS的方法、网络侧网元及系统 技术领域
本申请涉及但不限于通信领域。
背景技术
第三代合作伙伴计划3GPP(3rd Generation Partnership Project)对下一代移动无线网络的项目叫系统架构演进(System Architecture Evolution，简称SAE)。SAE的架构如图1所示，其中包含了如下网元：
演进的无线接入网E-RAN(Evolved RAN)：可以提供更高的上下行速率，更低的传输延迟和更加可靠的无线传输。E-RAN中包含的网元是eNodeB(Evolved NodeB，演进型基站)，为终端的接入提供无线资源。
归属用户服务器HSS(Home Subscriber Server)：永久存储用户签约数据。
移动管理实体MME(Mobility Management Entity)：控制面功能实体，临时存储用户数据的服务器，负责管理和存储用户设备UE(User Equipment)上下文(比如UE/用户标识，移动性管理状态，用户安全参数等)，为用户分配临时标识，当UE驻扎在该跟踪区域或者该网络是负责对该用户进行鉴权；处理MME和UE之间的所有非接入层消息；触发在SAE的寻呼。
服务GPRS支持节点SGSN(Serving GPRS Support Node)，支持Gb或Iu接入的通用分组无线服务技术GPRS(General Packet Radio Service)临时存储用户数据的服务器，负责管理和存储GPRS移动管理GMM(GPRS Mobility Management)上下文和分组数据协议PDP(Packet Data Protocol)上下文；处理SGSN和UE之间的所有非接入层消息。
服务网关SGW(Serving Gateway)：该网关是一个用户面实体，负责用户面数据路由处理，终结处于空闲状态的UE的下行数据。管理和存储UE的SAE承载(bearer)上下文，比如IP承载业务参数和网络内部路由信息等。是3GPP系统内部用户面的锚点，一个用户在一个时刻只能有一个SGW。
分组数据网网关PDN GW：负责UE接入PDN的网关，分配用户IP地址，同时是3GPP和非3GPP接入系统的移动性锚点。用户在同一时刻能够接入多个PDN GW。
策略和计费规则功能实体PCRF(Policy and Charging Rule Functionality)：该功能实体主要根据业务信息和用户签约信息以及运营商的配置信息产生控制用户数据传递的服务质量Qos(Quality of Service)规则以及计费规则。该功能实体也可以控制接入网中承载的建立和释放。
用户附着到分组域演进网络，建立默认承载时，MME会把用户签约QoS携带给PDN GW/PCRF，签约QoS包括接入点汇聚最大比特率)APN-AMBR(Access Point Name-Aggregate Maximum Bit Rate等参数。PDN GW/PCRF会决策使用的QoS，包括APN-AMBR等参数，一般情况下，PDN GW/PCRF会直接使用签约的QoS。签约是基于用户的，可能速率会很大，比如大于256Mbps速率，但对于不支持载波聚合CA(Carrier aggregation)能力的终端来说，无法支持大于256Mbps的速率，可能会导致终端拒绝激活，影响用户体验。
专有承载建立或更新也存在类似的问题。PDN GW/PCRF根据业务流决策需要某一承载(Maximum Bit Rate,最大比特率)/GBR(Guaranteed Bit Rate，保证比特率)大于256Mbps，由于PDN GW/PCRF不知道UE的CA能力，将该速率下发给UE，UE可能拒绝。
针对相关技术中上述的问题，目前尚未提出有效的解决方案。
发明内容
以下是对本文详细描述的主题的概述。本概述并非是为了限制权利要求的保护范围。
本文提供了一种决策服务质量QoS的方法、网络侧网元及系统，以解决相关技术中网络侧在不知道用户设备的CA能力而下发超出UE能力的QoS时，导致用户设备拒绝激活的问题。
一种决策服务质量QoS的方法，包括：网络侧网元获取用户设备或无线 接入网元的载波聚合CA能力；所述网络侧网元保存所述CA能力，并转发所述CA能力，以使服务质量QoS决策网元根据所述CA能力决策下发的QoS；其中，所述QoS决策网元包括分组数据网关和/或策略和计费规则功能实体PCRF。
可选的，所述网络侧网元获取无线接入网元的CA能力包括，所述网络侧网元从无线接入网元发送的第一请求消息中获取无线接入网元的CA能力；或者所述网络侧网元根据无线接入网元粒度的本地配置获取无线接入网元的CA能力。
可选的，所述网络侧网元获取用户设备的CA能力包括，所述网络侧网元从用户设备发送的第二请求消息中获取用户设备的CA能力；或者，所述网络侧网元从无线接入网元获取其解析出的用户设备的CA能力。
可选的，所述网络侧网元保存所述CA能力之前，所述方法还包括，在用户设备发生移动的情况下，所述网络侧网元获取用户设备移动之前的移动管理实体MME或服务GPRS支持节点SGSN携带的所述用户设备的CA能力，并保存所述用户设备的CA能力。
可选的，所述网络侧网元转发所述CA能力包括，所述网络侧网元通过服务网关向分组数据网关发送第三请求消息，其中所述第三请求消息包括所述CA能力。
可选的，所述网络侧网元转发所述CA能力包括，所述网络侧网元通过服务网关和分组数据网关向策略和计费规则功能实体PCRF发送第四请求消息，其中，所述第四请求消息中包括所述CA能力。
可选的，所述网络侧网元包括移动管理实体MME和/或服务GPRS支持节点SGSN。
一种决策服务质量QoS处理方法，包括：服务质量QoS决策网元接收第五请求消息，其中，所述第五请求消息中携带用户设备或无线接入网元的载波聚合CA能力；所述QoS决策网元保存所述CA能力，并根据所述CA能力决策下发的QoS，其中，所述QoS决策网元包括分组数据网关和/或策略和计费规则功能实体PCRF。
一种网络侧网元，包括：获取模块，设置为：获取用户设备或无线接入网元的载波聚合CA能力；保存转发模块，设置为：保存所述CA能力，并转发所述CA能力，以使服务质量QoS决策网元根据所述CA能力决策下发的QoS；其中，所述QoS决策网元包括分组数据网关和/或策略和计费规则功能实体PCRF。
可选的，所述获取模块是设置为，从无线接入网元发送的第一请求消息中获取无线接入网元的CA能力；或者根据无线接入网元粒度的本地配置获取无线接入网元的CA能力。
可选的，所述获取模块是设置为，从用户设备发送的第二请求消息中获取用户设备的CA能力；或者，从无线接入网元获取其解析出的用户设备的CA能力。
可选的，该网元还包括第二获取模块，设置为：在用户设备发生移动的情况下，获取用户设备移动之前的移动管理实体MME或服务GPRS支持节点SGSN携带的所述用户设备的CA能力，并保存所述用户设备的CA能力。
可选的，所述保存转发模块包括，第一发送单元，设置为：通过服务网关向分组数据网关发送第三请求消息，其中所述第三请求消息包括所述CA能力。
可选的，所述保存转发模块包括，第二发送单元，设置为：通过服务网关和分组数据网关向策略和计费规则功能实体PCRF发送第四请求消息，其中，所述第四请求消息中包括所述CA能力。
一种决策服务质量QoS的系统，包括网络侧网元和服务质量QoS决策网元，所述网络侧网元包括移动管理实体MME和/或服务GPRS支持节点SGSN，所述QoS决策网元包括分组数据网关和/或策略和计费规则功能实体PCRF，所述网络侧网元，设置为：获取用户设备或无线接入网元的载波聚合CA能力，保存所述CA能力，并向QoS决策网元发送所述CA能力；所述QoS决策网元接收所述所述CA能力，并根据所述CA能力决策下发的QoS。
一种计算机可读存储介质，存储有计算机可执行指令，所述计算机可执行指令用于执行上述任一项的方法。
通过本申请技术方案，解决了网络侧不知道UE的CA能力，而下发超出UE能力的QoS，导致UE拒绝激活的问题，进而达到了减少业务失败率，提升用户感受的效果。
在阅读并理解了附图和详细描述后，可以明白其他方面。
附图概述
图1是根据相关技术的系统架构演进SAE架构图；
图2是本发明实施例的决策服务质量QoS处理方法针对网络侧网元的流程图；
图3是本发明实施例的决策服务质量QoS处理方法针对QoS决策网元的流程图；
图4是在没有部署PCC时，附着或PDN连接建立或PDP(Packet Data Protocol，分组数据协议)建立过程中本发明的一个实施例流程图；
图5是在部署PCC时，附着或PDN连接建立或PDP建立过程中本发明的一个实施例流程图；
图6是在没有部署PCC时，专有承载建立/更新过程中本发明的一个实施例流程图；
图7是在部署PCC时，专有承载建立/更新过程中本发明的一个实施例流程图；
图8是在跟踪区更新或路由区跟踪过程中本发明的一个实施例流程图；
图9是在切换过程中本发明的一个实施例流程图；
图10是在路径切换过程中本发明的一个实施例流程图；
图11是本发明实施例的网络侧网元的示意图；
图12是本发明实施例的一种决策服务质量QoS的系统的示意图。
本发明的实施方式
需要说明的是，在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互组合。下面将参考附图说明本发明的实施方式。
本发明实施例提供了一种决策服务质量QoS的方法，如图2所示，针对网络侧网元，包括如下的步骤：
步骤11，网络侧网元获取用户设备或无线接入网元的载波聚合CA能力；
步骤12，所述网络侧网元保存所述CA能力，并转发所述CA能力，以使服务质量QoS决策网元根据所述CA能力决策下发的QoS。
网络侧网元包括移动管理实体MME和/或服务GPRS支持节点SGSN，QoS决策网元包括分组数据网关和/或策略和计费规则功能实体PCRF。
如图3所示，本发明实施例的一种决策服务质量QoS的方法，针对QoS决策网元，包括如下的步骤：
步骤21，QoS决策网元接收请求消息，其中，所述请求消息中携带用户设备或无线接入网元的载波聚合CA能力；
步骤22，所述QoS决策网元保存所述CA能力，并根据所述CA能力决策下发的QoS。
其中，QoS决策网元包括分组数据网关和/或策略和计费规则功能实体PCRF。
下面将结合实施例对其实现过程进行详细描述。
实施例一
如图4所示，是在没有部署策略与计费控制PCC(Policy and Charging Control)时，附着attach或PDN连接建立或PDP建立过程中本发明的一个实施例。步骤如下：
步骤201，用户发起附着attach或PDN连接建立消息或激活PDP请求消息至网络；其中，网络侧(移动管理实体MME或服务GPRS支持节点SGSN)获取用户设备UE或无线接入网元的CA能力；包括以下几种情况：
网络侧获取UE的CA能力的两种方式：
1.UE在请求消息中直接携带其CA能力；
2.无线接入网元在请求消息中携带其解析出的UE的CA能力；
网络侧获取无线接入网元的CA能力的两种方式：
1.无线接入网元在请求消息中直接携带其CA能力；
2.移动管理实体MME或服务GPRS支持节点SGSN根据基于无线接入网元标识/跟踪区/位置区/PLMN等粒度的本地配置判断无线接入网元的CA能力；
步骤202，移动管理实体或服务GPRS支持节点保存UE的CA能力；
步骤203，移动管理实体或服务GPRS支持节点向服务网关发送创建会话请求消息，消息中包括UE和无线接入网元综合的CA能力；
步骤204，服务网关向分组数据网关发送创建会话请求消息，消息中包括UE和无线接入网元综合的CA能力；
步骤205，分组数据网关保存UE和无线接入网元综合的CA能力，根据CA能力决策下发的QoS；
步骤206，分组数据网关向服务网关发送创建会话响应消息，消息中包括QoS；
步骤207，服务网关向移动管理实体或服务GPRS支持节点发送创建会话响应消息，消息中包括QoS；
步骤208，附着或PDN连接或PDP建立的其他流程处理。
实施例二
如图5所示，是在部署PCC时，附着attach或PDN连接建立或PDP建立过程中本发明的一个实施例。步骤如下：
步骤301同步骤201；
步骤302，移动管理实体或服务GPRS支持节点保存UE的CA能力；
步骤303，移动管理实体或服务GPRS支持节点向服务网关发送创建会话请求消息，消息中包括UE和无线接入网元综合的CA能力；
步骤304，服务网关向分组数据网关发送创建会话请求消息，消息中包 括UE和无线接入网元综合的CA能力；
步骤305，分组数据网关向策略和计费规则功能实体发送IP-CAN会话建立请求消息，消息中包括UE和无线接入网元综合的CA能力；
步骤306，策略和计费规则功能实体保存UE和无线接入网元综合的CA能力，根据CA能力决策下发的QoS；
步骤307，策略和计费规则功能实体向分组数据网关发送IP-CAN会话建立响应消息，消息中包括QoS；
步骤308，分组数据网关向服务网关发送创建会话响应消息，消息中包括QoS；
步骤309，服务网关向移动管理实体或服务GPRS支持节点发送创建会话响应消息，消息中包括QoS；
步骤310，附着或PDN连接建立或PDP建立的其他流程处理。
实施例三
如图6所示，是在没有部署PCC时，专有承载建立/更新过程中本发明的一个实施例。
步骤401，分组数据网关建立/更新专有承载时，根据UE和无线接入网元综合的CA能力决策下发的QoS；
步骤402，分组数据网关向服务网关发送承载建立/更新请求消息，消息中包括QoS；
步骤403，服务网关向移动管理实体或服务GPRS支持节点发送承载建立/更新请求消息，消息中包括QoS；
步骤404，承载建立/更新的其他流程处理。
实施例四
如图7所示，是在部署PCC时，专有承载建立/更新过程中本发明的一个实施例。
步骤501，策略和计费规则功能实体触发建立/更新专有承载时，根据UE和无线接入网元综合的CA能力决策下发的QoS；
步骤502，策略和计费规则功能实体向分组数据网关发送Re-Auth-Request消息，消息中包括QoS；
步骤503，分组数据网关向策略和计费规则功能实体发送Re-Auth-Answer消息；
步骤504，分组数据网关向服务网关发送承载建立/更新请求消息，消息中包括QoS；
步骤505，服务网关向移动管理实体或服务GPRS支持节点发送承载建立/更新请求消息，消息中包括QoS；
步骤506，承载建立/更新的其他流程处理。
实施例五
如图8所示，是在跟踪区更新或路由区跟踪过程中本发明的一个实施例。
步骤601，用户发起跟踪区更新或路由区更新消息至网络；其中，网络侧获取无线接入网元的CA能力的两种方式：a)无线接入网元在请求消息中直接携带其CA能力；b)新SGSN/MME根据基于无线接入网元标识/跟踪区/位置区/PLMN等粒度的本地配置判断无线接入网元的CA能力；
步骤602，上下文请求(Context Request)过程,其中老SGSN/MME向新SGSN/MME携带其之前保存的UE的CA能力；
步骤603，新SGSN/MME保存UE的CA能力；
步骤604，新SGSN/MME向服务网关发送创建会话请求消息，消息中包括UE和无线接入网元综合的CA能力；
步骤605，服务网关向分组数据网关发送修改承载请求消息，消息中包括UE和无线接入网元综合的CA能力；
步骤606，如果部署了PCC，分组数据网关向策略和计费规则功能实体发送IP-CAN会话修改请求消息，消息中包括UE和无线接入网元综合的CA能力，如果没有部署PCC，执行步骤608；
步骤607，策略和计费规则功能实体向分组数据网关发送IP-CAN会话修 改响应消息；
步骤608，分组数据网关向服务网关发送修改承载响应消息；
步骤609，服务网关向新SGSN/MME发送创建会话响应消息；
步骤610，跟踪区更新或路由区跟踪的其他流程处理；
步骤611，PCRF或PGW判断如果UE和无线接入网元综合的CA能力变化(如由不支持CA能力变化为支持，或反之)，则可以根据CA能力决策的QoS发生变化(如QoS升高或降低)，触发承载修改流程处理；UE支持CA，UE接入的无线接入网元(1)支持CA，后续UE移动到无线接入网元(2)不支持CA，即UE和无线接入网元综合的CA能力由支持变化为不支持，PCRF或PGW可以根据变化的CA能力来降低QoS，反之UE和无线接入网元综合的CA能力由不支持变化为支持，PCRF或PGW可以根据变化的CA能力来升高QoS。
实施例六
如图9所示，是在切换过程中本发明的一个实施例。
步骤701，无线接入网元发送切换请求消息；
步骤702，前转切换请求过程,其中老SGSN/MME向新SGSN/MME携带其之前保存的UE的CA能力；
步骤703，新SGSN/MME向无线接入网元发送切换请求消息；
步骤704，无线接入网元向新SGSN/MME发送切换请求应答消息；其中网络侧获取无线接入网元的CA能力的两种方式：a)无线接入网元在请求应答消息中直接携带其CA能力；b)新SGSN/MME根据基于无线接入网元标识/跟踪区/位置区/PLMN等粒度的本地配置判断无线接入网元的CA能力；
步骤705，新SGSN/MME保存UE的CA能力；
步骤706，切换的其他流程处理；
步骤707，新SGSN/MME向服务网关发送修改承载请求消息，消息中包括UE和无线接入网元综合的CA能力；
步骤708，服务网关向分组数据网关发送修改承载请求消息，消息中包 括UE和无线接入网元综合的CA能力；
步骤709，如果部署了PCC，分组数据网关向策略和计费规则功能实体发送IP-CAN会话修改请求消息，消息中包括UE和无线接入网元综合的CA能力，如果没有部署PCC，执行步骤711；
步骤710，策略和计费规则功能实体向分组数据网关发送IP-CAN会话修改响应消息；
步骤711，分组数据网关向服务网关发送修改承载响应消息；
步骤712，服务网关向新SGSN/MME发送修改承载响应消息；
步骤713，切换的其他流程处理；
步骤714，同步骤611。
实施例七
如图10所示，是在路径切换过程中本发明的一个实施例。
步骤801，目标无线接入网元发送路径切换请求消息；其中，网络侧获取无线接入网元的CA能力的两种方式：a)无线接入网元在请求消息中直接携带其CA能力；b)SGSN/MME根据基于无线接入网元标识/跟踪区/位置区/PLMN等粒度的本地配置判断无线接入网元的CA能力；
步骤802，SGSN/MME保存UE的CA能力；
步骤803，SGSN/MME向服务网关发送修改承载请求消息，消息中包括UE和无线接入网元综合的CA能力；
步骤804，服务网关向分组数据网关发送修改承载请求消息，消息中包括UE和无线接入网元综合的CA能力；
步骤805，如果部署了PCC，分组数据网关向策略和计费规则功能实体发送IP-CAN会话修改请求消息，消息中包括UE和无线接入网元综合的CA能力，如果没有部署PCC，执行步骤807；
步骤806，策略和计费规则功能实体向分组数据网关发送IP-CAN会话修改响应消息；
步骤807，分组数据网关向服务网关发送修改承载响应消息；
步骤808，服务网关向SGSN/MME发送修改承载响应消息；
步骤809，路径切换的其他流程处理；
步骤810，同步骤611。
需要说明的是，在附图的流程图示出的步骤可以在诸如一组计算机可执行指令的计算机系统中执行，并且，虽然在流程图中示出了逻辑顺序，但是在某些情况下，可以以不同于此处的顺序执行所示出或描述的步骤。
如图11所示，本发明实施例还提供了一种网络侧网元，该网元可以用于实现上述方法。包括获取模块31，设置为：获取用户设备或无线接入网元的载波聚合CA能力；保存转发模块32，设置为：保存所述CA能力，并转发所述CA能力，以使QoS决策网元根据所述CA能力决策下发的QoS；其中，所述QoS决策网元包括分组数据网关和/或策略和计费规则功能实体PCRF。
其中，所述获取模块31是设置为，从无线接入网元发送的第一请求消息中获取无线接入网元的CA能力；或者根据无线接入网元粒度的本地配置获取无线接入网元的CA能力；或者，
从用户设备发送的第二请求消息中获取用户设备的CA能力；或者，从无线接入网元获取其解析出的用户设备的CA能力。
该网络侧网元，还可包括第二获取模块，设置为：在用户设备发生移动的情况下，获取用户设备移动之前的移动管理实体MME或服务GPRS支持节点SGSN携带的所述用户设备的CA能力，并保存所述用户设备的CA能力。
所述保存转发模块32包括：第一发送单元，设置为：通过服务网关向分组数据网关发送第三请求消息，其中所述第三请求消息包括所述CA能力。
所述保存转发模块32还可包括：第二发送单元，设置为：通过服务网关和分组数据网关向策略和计费规则功能实体PCRF发送第四请求消息，其中，所述第四请求消息中包括所述CA能力。
如图12所示，本发明实施例还提供了一种决策服务质量QoS的系统，该系统可以用于实现上述方法。包括：网络侧网元41和QoS决策网元42，所述网络侧网元41包括移动管理实体MME和/或服务GPRS支持节点SGSN， 所述QoS决策网元42包括分组数据网关和/或策略和计费规则功能实体PCRF，其中，所述网络侧网元41，设置为：获取用户设备或无线接入网元的载波聚合CA能力，保存所述CA能力，并向QoS决策网元42发送所述CA能力；所述QoS决策网元42，设置为：接收所述CA能力，并根据所述CA能力决策下发的QoS。
需要说明的是，上述实施例中描述的网络侧网元和/系统对应于上述的方法实施例，其实现过程在方法实施例中已经进行过详细说明，在此不再赘述。
综上所述，根据本发明的上述实施例，解决了网络侧不知道UE的CA能力，而下发超出UE能力的QoS，导致UE拒绝激活的问题，进而达到了减少业务失败率，提升用户感受的效果。
本领域普通技术人员可以理解上述实施例的全部或部分步骤可以使用计算机程序流程来实现，所述计算机程序可以存储于一计算机可读存储介质中，所述计算机程序在相应的硬件平台上(如系统、设备、装置、器件等)执行，在执行时，包括方法实施例的步骤之一或其组合。
可选地，上述实施例的全部或部分步骤也可以使用集成电路来实现，这些步骤可以被分别制作成一个个集成电路模块，或者将它们中的多个模块或步骤制作成单个集成电路模块来实现。
上述实施例中的装置/功能模块/功能单元可以采用通用的计算装置来实现，它们可以集中在单个的计算装置上，也可以分布在多个计算装置所组成的网络上。
上述实施例中的装置/功能模块/功能单元以软件功能模块的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储介质中。上述提到的计算机可读取存储介质可以是只读存储器，磁盘或光盘等。
工业实用性
本发明实施例解决了网络侧不知道用户设备UE的CA能力，而下发超出UE能力的QoS，导致UE拒绝激活的问题，进而达到减少业务失败率，提升用户感受的效果。

Claims (15)

  1. 一种决策服务质量QoS的方法，包括：
    网络侧网元获取用户设备或无线接入网元的载波聚合CA能力；
    所述网络侧网元保存所述CA能力，并转发所述CA能力，以使服务质量QoS决策网元根据所述CA能力决策下发的QoS；
    其中，所述QoS决策网元包括分组数据网关和/或策略和计费规则功能实体PCRF。
  2. 根据权利要求1所述的决策服务质量QoS处理方法，其中，所述网络侧网元获取无线接入网元的CA能力包括，
    所述网络侧网元从无线接入网元发送的第一请求消息中获取无线接入网元的CA能力；或者
    所述网络侧网元根据无线接入网元粒度的本地配置获取无线接入网元的CA能力。
  3. 根据权利要求1所述的决策服务质量QoS处理方法，其中，所述网络侧网元获取用户设备的CA能力包括，
    所述网络侧网元从用户设备发送的第二请求消息中获取用户设备的CA能力；或者，所述网络侧网元从无线接入网元获取其解析出的用户设备的CA能力。
  4. 根据权利要求1所述的决策服务质量QoS处理方法，其中，所述网络侧网元保存所述CA能力之前，所述方法还包括，
    在用户设备发生移动的情况下，所述网络侧网元获取用户设备移动之前的移动管理移动管理实体MME或服务GPRS支持节点SGSN携带的所述用户设备的CA能力，并保存所述用户设备的CA能力。
  5. 根据权利要求1或4所述的决策服务质量QoS处理方法，其中，所述网络侧网元转发所述CA能力包括，
    所述网络侧网元通过服务网关向分组数据网关发送第三请求消息，其中所述第三请求消息包括所述CA能力。
  6. 根据权利要求1或4所述的决策服务质量QoS处理方法，其中，所述网络侧网元转发所述CA能力包括，
    所述网络侧网元通过服务网关和分组数据网关向策略和计费规则功能实体PCRF发送第四请求消息，其中，所述第四请求消息中包括所述CA能力。
  7. 根据权利要求1至4中任一项所述的决策服务质量QoS处理方法，其中，
    所述网络侧网元包括移动管理实体MME和/或服务GPRS支持节点SGSN。
  8. 一种决策服务质量QoS处理方法，包括：
    服务质量QoS决策网元接收第五请求消息，其中，所述第五请求消息中携带用户设备或无线接入网元的载波聚合CA能力；
    所述QoS决策网元保存所述CA能力，并根据所述CA能力决策下发的QoS；
    其中，所述QoS决策网元包括分组数据网关和/或策略和计费规则功能实体PCRF。
  9. 一种网络侧网元，包括：
    获取模块，设置为：获取用户设备或无线接入网元的载波聚合CA能力；
    保存转发模块，设置为：保存所述CA能力，并转发所述CA能力，以使服务质量QoS决策网元根据所述CA能力决策下发的QoS；
    其中，所述QoS决策网元包括分组数据网关和/或策略和计费规则功能实体PCRF。
  10. 根据权利要求9所述的网络侧网元，其中，所述获取模块是设置为，
    从无线接入网元发送的第一请求消息中获取无线接入网元的CA能力；或者根据无线接入网元粒度的本地配置获取无线接入网元的CA能力；或者，
    从用户设备发送的第二请求消息中获取用户设备的CA能力；或者，从 无线接入网元获取其解析出的用户设备的CA能力。
  11. 根据权利要求9所述的网络侧网元，还包括第二获取模块，设置为：
    在用户设备发生移动的情况下，获取用户设备移动之前的移动管理实体MME或服务GPRS支持节点SGSN携带的所述用户设备的CA能力，并保存所述用户设备的CA能力。
  12. 根据权利要求9或11所述的网络侧网元，其中，所述保存转发模块包括，
    第一发送单元，设置为：通过服务网关向分组数据网关发送第三请求消息，其中所述第三请求消息包括所述CA能力。
  13. 根据权利要求9或11所述的网络侧网元，其中，所述保存转发模块包括，
    第二发送单元，设置为：通过服务网关和分组数据网关向策略和计费规则功能实体PCRF发送第四请求消息，其中，所述第四请求消息中包括所述CA能力。
  14. 一种决策服务质量QoS的系统，包括：网络侧网元和服务质量QoS决策网元，所述网络侧网元包括移动管理实体MME和/或服务GPRS支持节点SGSN，所述QoS决策网元包括分组数据网关和/或策略和计费规则功能实体PCRF，
    所述网络侧网元，设置为：获取用户设备或无线接入网元的载波聚合CA能力，保存所述CA能力，并向QoS决策网元发送所述CA能力；
    所述QoS决策网元，设置为：接收所述CA能力，并根据所述CA能力决策下发的QoS。
  15. 一种计算机可读存储介质，存储有计算机可执行指令，所述计算机可执行指令用于执行权利要求1-8任一项的方法。
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