WO2014114082A1 - 控制分流的方法、ue、网络设备及服务器 - Google Patents

控制分流的方法、ue、网络设备及服务器 Download PDF

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Publication number
WO2014114082A1
WO2014114082A1 PCT/CN2013/082554 CN2013082554W WO2014114082A1 WO 2014114082 A1 WO2014114082 A1 WO 2014114082A1 CN 2013082554 W CN2013082554 W CN 2013082554W WO 2014114082 A1 WO2014114082 A1 WO 2014114082A1
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Prior art keywords
network
network device
service
information
policy
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PCT/CN2013/082554
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English (en)
French (fr)
Inventor
张兴新
贺宁
沈文学
曾毓珑
王学寰
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华为技术有限公司
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Publication of WO2014114082A1 publication Critical patent/WO2014114082A1/zh

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W28/00Network traffic management; Network resource management
    • H04W28/02Traffic management, e.g. flow control or congestion control
    • H04W28/10Flow control between communication endpoints
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/16Performing reselection for specific purposes
    • H04W36/22Performing reselection for specific purposes for handling the traffic

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a method for controlling a traffic distribution, a user equipment (User Equipment, UE), a network device, and a server.
  • WLAN wireless local area network
  • cellular Cellular
  • the cellular network includes Global System for Mobi le communicat ions/General Packet Radio Service (GSM/GPRS), Universal Mob i Te Telecommunications System (UMTS), and is in progress.
  • GSM/GPRS Global System for Mobi le communicat ions/General Packet Radio Service
  • UMTS Universal Mob i Te Telecommunications System
  • LTE Long Term Evo Lution
  • WLANs are relatively simple and cost-effective to build networks. Therefore, WLANs can be used as a supplement to cellular networks. Part of the data service of the cellular network, reducing the data load of the cellular network.
  • the network side can control the service offload of the UE by using an Access Network Disupy and Selection Function (ANDSF) server.
  • ANDSF Access Network Disupy and Selection Function
  • the ANDSF server sets a traffic off policy based on the Internet Protocol (IP) attribute of the service.
  • IP Internet Protocol
  • the service of one IP segment is offloaded to the cellular network, and the traffic of another IP segment is offloaded to the WLAN.
  • the network state of the target network determined by the IP attributes of the service is poor, the traffic offloading effect is poor, the service quality is poor, and the user experience is not high, thereby reducing the overall performance of the converged network.
  • a method for controlling a traffic distribution, a UE, a network device, and a server are provided to solve the problem in the prior art that when the service is offloaded according to the service attribute, the traffic distribution effect is poor and the overall performance of the network is reduced.
  • a method for controlling a traffic distribution includes: The user equipment UE obtains the network state information of the different types of networks, and obtains the traffic distribution policy, where the traffic distribution policy includes a service type, a network state domain value, and a correspondence between different types of networks; And the corresponding relationship is a service selection target network; the UE offloads the service to the target network.
  • the UE acquires network state information of different networks according to at least one of the following manners:
  • the UE acquires network load information sent by the network device; the UE obtains signal coverage information by using downlink measurement;
  • the UE obtains the network transmission rate according to the network load information delivered by the network device and/or the signal coverage information obtained by the downlink measurement.
  • the method before the acquiring, by the UE, the network load information that is sent by the network device, the method includes: reporting, by the UE, the network device Correlation network message, the associated network message indicates a network that is currently associated with the UE; and the UE acquires network load information sent by the network device, where the UE receives the network device and sends the network device according to the associated network message. Network load information of all or part of the network currently associated by the UE.
  • the acquiring the offloading policy includes: acquiring a pre-configured offloading policy on the UE; or acquiring a offloading policy sent by the network device.
  • the acquiring the traffic offloading policy sent by the network device includes: sending a registration message to the network device; receiving the network device A shunting policy that is returned according to the registration message.
  • the receiving, by the network device, the offloading policy that is returned according to the registration message includes: And receiving, by the network device, the offloading policy when the UE supports the capability information of the concurrent transmission, and the capability of the UE to support the concurrent transmission is that the UE supports simultaneous access to different types of networks; And/or, receiving, by the network device, a shunting policy that is returned when the version of the offloading policy saved by the UE that is included in the registration message is different from the version of the offloading policy of the network device.
  • the traffic distribution policy further includes: service classification information, the service classification information
  • the service type corresponding to the service of the different application is included in the service, and the UE obtains the target information from the service classification information, before the UE selects the target network according to the network state information of the different network and the corresponding relationship.
  • the type of business of the business is included in the service.
  • the offloading policy further includes: a preferred network corresponding to the service type, the UE according to the network state information And the corresponding relationship is the service selection target network: the UE matches the network state information of the different types of networks with the network state domain values of the network corresponding to the service type of the service; when the network state information is in the When the network state domain value corresponding to the network is within the range, or when the network state information of the network corresponding to the service type of the service does not match, the preferred network is set as the target.
  • the internet the internet.
  • the second aspect provides another method for controlling the offloading, where the method includes: the network device acquiring the network state information of the different types of networks; the network device transmitting the network state information to the UE, so that the UE is according to the network The status information and the correspondence between the service type, the network status field value, and the different types of networks included in the offloading policy obtained by the UE, after the target network is selected for the service, the service is offloaded to the target network.
  • the sending, by the network device, network state information to the UE includes: sending, by the network device, network load information to the UE; and/or, The network device sends a measurement pilot to the UE, so that the UE acquires signal coverage information by performing downlink measurement on the measurement pilot.
  • the sending, by the network device, the network load information to the UE includes: the network device receiving the associated network reported by the UE a message that the associated network message indicates the network that the UE is currently associated with, and the network device sends network load information of all or part of the network currently associated with the UE to the UE according to the associated network message; or The network device periodically sends network load information to the UE; or, when the network device detects that the network load changes, the network load information is sent to the UE.
  • the method further includes The network device sends the offloading policy to the UE, where the offloading policy is a traffic offloading policy configured on the network device; or the offloading policy is a traffic offloading policy sent by the server to the network device.
  • the method before the network device sends the offloading policy to the UE, the method further includes: receiving the And the sending, by the network device, the offloading policy to the UE, when the network device includes the capability information that the UE supports the concurrent transmission, the network device sends the The offloading policy, the UE supports the concurrent transmission, and the UE supports simultaneous access to different types of networks; and/or, when the registration message includes the version of the offload policy saved by the UE and the When the version of the offloading policy of the network device is inconsistent, the network device sends the offloading policy to the UE.
  • a UE in a third aspect, includes: a receiver and a processor, where the receiver is configured to acquire network state information of different types of networks, and obtain a traffic off policy, where the traffic off policy includes The correspondence between service types, network status field values, and different types of networks;
  • the processor is configured to select a target network for the service according to the network state information and the corresponding relationship, and offload the service to the target network.
  • the receiver is configured to obtain network state information according to at least one of the following manners: the receiver acquires a network load that is sent by the network device The receiver obtains the signal coverage information by using the downlink measurement; the receiver obtains the network transmission rate according to the network load information sent by the network device and/or the signal coverage information obtained by the downlink measurement.
  • the UE further includes: a transmitter, configured to report an association network message to the network device, where the associated network The message indicates the network that the UE is currently associated with; the receiver is specifically configured to receive network load information of all or part of the network currently associated by the UE that is sent by the network device according to the associated network message.
  • the receiver is configured to obtain a pre-configured offload policy on the UE, or obtain a traffic off policy sent by the network device.
  • the receiver is configured to send a registration message to the network device, and receive the network device according to the The offloading policy returned by the registration message.
  • the receiver is configured to receive, by the network device, the UE in the registration message.
  • the capability information of the concurrent transmission is supported, the returned traffic policy, the capability of the UE to support concurrent transmission is that the UE supports simultaneous access to different types of networks; and/or, the network device is received in the registration message.
  • the shunting policy returned when the version of the offloading policy saved by the UE is inconsistent with the version of the offloading policy of the network device.
  • the traffic distribution policy that is obtained by the receiver further includes service classification information, where the service classification information is The service type corresponding to the service of the different application; the processor is further configured to obtain the service type of the service from the service classification information.
  • the offloading policy obtained by the receiver further includes a preferred network corresponding to the service type; Specifically, the network status information of the network of the different types of networks is matched with the network status field value of the network corresponding to the service type of the service, where the network status information is within a network status field value corresponding to the preferred network. And when the network state information of the network corresponding to the service type of the service does not match, the preferred network is set as the target network.
  • a network device configured to include: a receiver, configured to acquire network state information of different types of networks; and a transmitter, configured to send the network state information to the UE, to enable the UE Deselecting the service to the target after selecting the target network for the service according to the network status information and the correspondence between the service type, the network status field value, and the different types of networks included in the offloading policy acquired by the UE.
  • the transmitter is configured to send network load information to the UE, and/or the network device sends a measurement pilot to the UE, So that the UE obtains signal coverage information by performing downlink measurement on the measurement pilot.
  • the sending device is configured to send the information to the UE according to the associated network message reported by the UE.
  • the offloading policy is used to deliver the offloading policy to the UE, where the offloading policy is a traffic offloading policy configured on the network device, or the offloading policy is a traffic offloading policy sent by the server to the network device.
  • the fourth possible implementation of the fourth aspect is further configured to receive a registration message sent by the UE, where the transmitter is specifically configured to: when the registration message includes the capability information that the UE supports concurrent transmission, to the UE Transmitting the offloading policy, the capability of the UE to support concurrent transmission is that the UE supports simultaneous access to different types of networks; and/or, when the registration message is included, the version of the offloading policy saved by the UE And when the version of the offloading policy of the network device is inconsistent, the offloading policy is sent to the UE.
  • the fifth aspect provides a server, where the server includes: a storage, configured to store a traffic offloading policy, where the traffic splitting policy includes a service type, a network state domain value, and a correspondence between different types of networks; Dedicating the offloading policy to the UE, so that the UE selects a target network according to the corresponding relationship included in the offloading policy and the network state information of different types of networks acquired by the UE, The service is offloaded to the target network.
  • the transmitter is specifically configured to: when receiving the registration message sent by the UE, including the capability information that the UE supports concurrent transmission,
  • the UE is configured to deliver the offloading policy, and the capability of the UE to support concurrent transmission is that the UE supports simultaneous access to different types of networks; and/or, when receiving the UE included in the registration message sent by the UE
  • the offloading policy is delivered to the UE.
  • the UE acquires network state information of different types of networks, and obtains a traffic off policy, where the traffic splitting policy includes a service type, a network state domain value, and a correspondence between different types of networks, and the UE obtains network state information according to the The correspondence is a service selection target network, and the service is offloaded to the target network.
  • the embodiment of the present invention not only performs traffic distribution according to the service attribute, but can also offload the service based on the network state of different access networks, thereby improving the traffic distribution effect, improving the service quality, and enhancing the convergence of the network while ensuring the user experience. Overall performance.
  • FIG. 1A is a flow chart of an embodiment of a method for controlling offloading according to the present invention
  • IB is a flowchart of another embodiment of a method for controlling offloading according to the present invention
  • FIG. 1C is a flowchart of another embodiment of a method for controlling offloading according to the present invention
  • FIG. 2 is a flowchart of another embodiment of a method for controlling offloading according to the present invention
  • 3 is a flow chart of another embodiment of a method for controlling offloading according to the present invention
  • FIG. 4 is a flow chart of another embodiment of a method for controlling offloading according to the present invention
  • FIG. 5 is a block diagram of an embodiment of a UE according to the present invention
  • Figure 7 is a block diagram of an embodiment of a server of the present invention.
  • DETAILED DESCRIPTION OF THE INVENTION The following embodiments of the present invention provide a method, a UE, a network device, and a server for controlling offloading.
  • 1A is a flowchart of an embodiment of a method for controlling offloading according to the present invention.
  • the embodiment describes a process of controlling traffic offloading to a target network from a UE side:
  • Step 101 The UE acquires network state information of different types of networks, and acquires A traffic distribution policy, which includes a service type, a network state domain value, and a correspondence between different types of networks.
  • the network status information may include: network load information, signal coverage, or network transmission rate, and the like.
  • the UE may obtain different network state information according to at least one of the following manners: the UE obtains network load information sent by the network device, and obtains, by the UE, the network load information sent by the network device and/or the signal coverage information obtained by the downlink measurement. Network transmission rate.
  • the acquiring, by the UE, the network load information sent by the network device may include: after the UE reports the associated network message to the network device, the network load information sent by the network device according to the trigger of the associated network message, or the UE receives the network device period.
  • the UE may report the associated network message to the network device when the associated network changes, or the UE may report the associated network message to the network device periodically.
  • different types of networks may include bees. Wo network and wireless LAN WLAN.
  • the offloading policy is a trafficking policy based on the network state, and the trafficking policy may include a service type, a network state domain value, and a correspondence between different types of networks.
  • the UE may obtain the offloading policy according to the following manners: Obtain a pre-configured offloading policy on the UE.
  • the offloading policy may be configured in the operating system of the UE in advance; or, the network device sends the The offloading policy, for example, the application client (App Cl ient ) can be set on the UE, and the UE uses the application client to interact with the application server (App Server) through the network to obtain the offloading policy delivered by the application server.
  • the UE may send a registration message to the network device, and receive a traffic off policy that is returned by the network device according to the registration message.
  • the UE may receive the offloading policy that is returned when the network device includes the capability information that the UE supports the concurrent transmission in the registration message, and the capability of the UE to support the concurrent transmission is that the UE supports simultaneous access to different types of networks, and The UE may also receive the offloading policy that is returned when the version of the offloading policy saved by the UE included in the registration message is different from the version of the offloading policy of the network device.
  • Step 102 The UE selects a target network for the service according to the acquired network state information and the corresponding relationship.
  • the UE may obtain a traffic distribution policy corresponding to the service type of the service according to the service type of the service, and obtain a network state domain value corresponding to the network state information from the traffic distribution policy corresponding to the service type.
  • the network the network is the target network.
  • the traffic classification information includes the service classification information
  • the UE may first obtain the service type of the service from the service classification information.
  • the traffic distribution policy further includes the preferred network corresponding to the service type, the UE may use the network of different types of networks.
  • the status information is matched with the network status field value of the network corresponding to the service type of the service, when the network status information is within the network status field value corresponding to the preferred network, or when the network of each network is When the status information does not match the network status field value of the network corresponding to the service type of the service, the preferred network is set as the target network.
  • the service type is not limited, and the service type can be flexibly adjusted according to the setting of the traffic distribution policy.
  • the service type can be simply divided into a voice service and a video service; or, the service can be based on different attributes of the application.
  • the types are subdivided into instant messaging services, VoIP services, streaming media services, web browsing services, cloud application services, and file transfer services.
  • the UE can search for the service type corresponding to the application in the application classification in the traffic distribution policy by using the name of the application.
  • Step 103 The UE offloads the service to the target network. It can be seen from the foregoing embodiment that the embodiment does not perform traffic distribution only according to the service attribute, but can offload the service based on the network state of different access networks, thereby improving the traffic distribution effect and improving the service quality. Encouraging the user experience while enhancing the overall performance of the network.
  • 1B is a flowchart of another embodiment of a method for controlling offloading according to the present invention. The embodiment describes a process of controlling traffic offloading to a target network from a network device side: Step 111: The network device acquires network state information of different types of networks. .
  • the network device may specifically refer to a network controller.
  • the specific configuration of the network controller in different types of networks may be different.
  • it may be a base transceiver station (BTS) in a GSM network or may be a base station controller (BSC) that manages multiple BTSs.
  • BTS base transceiver station
  • BSC base station controller
  • It may be a base station (Node B) in a UMTS network, or a radio network controller (RNC) that manages multiple Node Bs; it may be an evolved Node B (eNB) in an LTE network.
  • RNC radio network controller
  • eNB evolved Node B
  • MME Mobiity Management Entity
  • AP Access Point
  • AC Access Control ler
  • An interface may exist between the network controllers of different types, and the network status information may be transmitted through the interface.
  • the RNC and the AC have an interface, and the RNC can obtain network status information of multiple APs managed by the AC through the AC.
  • a Node B and an AP managed by the AC are associated with each other.
  • the RNC can send the network status information of the AP associated with the Node B and the UE to the UE through the Node B associated with the UE.
  • the respective network status information is sent to the UE.
  • the network status information acquired by the network device may specifically refer to network load information or measurement pilots, so that the UE obtains signal coverage information by performing downlink measurement on the measurement pilot.
  • Step 112 The network device sends the network state information to the UE, so that the UE selects the service according to the network state information and the correspondence between the service type, the network state domain value, and the different types of networks included in the trafficking policy acquired by the UE.
  • the service is offloaded to the target network.
  • the network device may send the network load information according to the following manner: after receiving the associated network message reported by the UE, the network device sends the acquired network load information to the UE; or, the network device periodically sends the UE to the UE.
  • the acquired network load information is sent; or the network device sends the acquired network load information to the UE when the network device detects the change of the network load.
  • the network load information may be sent to the UE.
  • the network device may also send a traffic policy based on the network state to the UE, where the traffic distribution policy is a traffic distribution policy configured on the network device, or a traffic distribution policy sent by the server to the network device. It can be seen from the foregoing embodiment that the embodiment does not perform traffic distribution only according to the service attribute, but can be offloaded according to the network state of different access networks, thereby improving the traffic distribution effect, improving the service quality, and enhancing the user experience. The overall performance of the network. Referring to FIG.
  • Step 121 The server stores a traffic off policy, where the traffic splitting policy includes a service type. Correspondence between network status field values and different types of networks.
  • Step 122 The server sends a traffic offloading policy to the UE, so that the UE, according to the corresponding relationship included in the traffic splitting policy and the network state information of different types of networks acquired by the UE, selects a target network for the service, and then offloads the service to the target network. .
  • the server may receive the registration message sent by the UE.
  • the server may send the offloading policy to the UE, and the UE supports the concurrent transmission capability.
  • the server can support the simultaneous access to different types of networks for the UE; and/or the server can deliver the offloading policy to the UE when the version of the offloading policy saved by the UE that is included in the registration message is different from the version of the offloading policy of the network device.
  • the server may also send the offloading policy to the network device to forward the offload policy to the UE through the network device. Referring to FIG.
  • Step 201 The UE sends a registration message to the network device, where the registration is performed.
  • the message contains capability information that the UE supports concurrent transmission.
  • the UE acquires a traffic off policy from the network device.
  • the UE sends a registration message to the network device, where the registration message carries the capability information of the UE, and the capability information mainly refers to whether the UE supports concurrent, that is, whether the UE supports simultaneous association of multiple networks.
  • the registration message may further include version information of the obtained offloading policy.
  • Step 202 The network device returns a traffic off policy to the UE according to the registration message. After the network device receives the registration message, if the registration message carries the capability information that the UE supports the concurrent transmission, the network device sends a traffic off policy to the UE, if the registration message does not carry the UE and supports the concurrent transmission. When the capability information is sent, the network device does not send the traffic distribution policy to the UE. Further, when the registration message further carries the version information of the traffic distribution policy, the network device compares the version information with the version information of the traffic distribution policy in the current network device.
  • the network device sends a traffic offloading policy to the UE.
  • the network device may also be combined with the current associated network of the UE (for example, the current network of the UE, the cell where the UE is currently located), and/or the subscription information of the user (for example, the package used by the UE user, the tariff) ) etc. to send. Therefore, the network device may pre-set a traffic offloading policy for the different associated network.
  • the network determines whether the traffic distribution policy needs to be delivered to the UE according to the current associated network and/or the subscription information of the user.
  • the corresponding traffic distribution policy is sent to the UE.
  • the network device may only return the incremental information that changes in the offloading policy to the UE, thereby saving network transmission. Resources.
  • the UE may return an acknowledgement message to the network device after receiving the offload policy.
  • Step 203 The UE reports the associated network message to the network device.
  • the associated network message reported by the UE includes network information of at least one network.
  • the network information of the cellular network may include: a network name of a 2G network (GSM network or GPRS network), a network name of a 3G network (UMTS network), a network name of a 4G network (LTE network), a cell ID, etc.; a network of the WLAN
  • the information may include: a Service Set Identifier (SSID), a MAC address of the AP, and the like.
  • the UE may report the associated network message to the network side in any of the following cases: In the first case: the UE changes from a single network association to a dual network association, for example, the UE is only a cellular network (Cel lular only) or only a WLAN.
  • the association is changed to the cellular network and the WLAN are simultaneously associated;
  • the second case when the UE is connected in the dual network, the network standard of a certain network changes, for example, the cellular system of the cellular network changes from the 2G GSM network to the 3G The UMTS network;
  • the third case when the UE is in the dual network association, the network standard of the network does not change, but the cell changes. For example, the UE is always attached to the GSM network, but the UE leaves the cell A due to the change of the UE location. Coverage, the coverage of the cell B is entered;
  • the fourth case when the UE is in the dual-network association, the network standard and the cell of the network do not change, and the WLAN changes.
  • the UE always moves within the coverage of the cell A. Multiple coverage under the coverage of cell A The AP of the WLAN, but due to the change of the location of the UE, the UE leaves the coverage of the API and moves to the coverage of the AP2.
  • the fifth case the UE changes from a dual-network association to a single-network association, for example, the UE from the cellular network and the WLAN At the same time, the association is changed to a cell network only (Cel lular only) or only a WLAN (WLAN only) association;
  • Step 204 The network device sends network load information to the UE according to the trigger of the associated network message.
  • step 203 when the network information reported by the UE includes the network information of the two networks, the network device may learn that the current state of the UE is dual-network association, or is about to enter the dual-network association, and the network device may send the network to the UE.
  • Load information when the network information reported by the UE includes the network information of one network, the network device can learn that the UE is currently a single network association, so the network device can stop sending network load information to the UE.
  • step 201 and step 202 may also be performed after the step 204, that is, the embodiment of the present invention does not limit the execution order of acquiring the offloading policy and acquiring the network load information.
  • Step 205 The UE acquires a service type of the current service to be transmitted.
  • the service type is not limited, and the service type can be flexibly adjusted according to the setting of the traffic distribution policy.
  • the service type can be simply divided into a voice service and a video service; or, the service can be based on different attributes of the application.
  • the types are subdivided into instant messaging services, VoIP services, streaming media services, web browsing services, cloud application services, and file transfer services.
  • the UE can search for the service type corresponding to the application in the application classification in the traffic distribution policy by using the name of the application.
  • a service classification list may be preset, and the service classification list may be sent to the UE as a part of the traffic distribution policy, as shown in Table 1 below, and the table 1 is based on the UE.
  • the application performs business classification settings: Table 1 Type Description Typical application main features Instant messaging class, including Whatsapp, WeChat, iMessage, etc.
  • VoIP continues to include voice and video calls, etc.
  • Streaming streaming class including YouTube, Youku, Spot ify, continuous big bag HTTP audio and video, P2P viewing Pandora ⁇ PPStream, etc.
  • File contains P2P file sharing, text
  • Gaming Zygna's social games such as Words with sparse bags such as social, chess, etc.
  • M2M machine type communication remote meter reading, mobile payment, etc.
  • the UE can obtain the service type of the current service to be transmitted by looking up the foregoing table 1. For example, if the current service to be transmitted is a PPStream, the corresponding service type is IM. Step 206: The UE acquires policy information corresponding to the service type from the traffic off policy.
  • the application example of a traffic distribution policy in this embodiment is shown in Table 2 below. Table 2 Service Type Traffic Information Policy
  • IM network load 0-2 2G/3G network load 3: WiFi
  • Streaming network load 0 2G/3G network load 1-3: WiFi
  • SNS network load 0 2G/3G network load 1-3: WiFi
  • Cloud network load 0-2 2G/3G network load 3 WiFi
  • Gaming network load 0-2 2G/3G network load 3 : WiFi
  • M2M network load 0 2G/3G network load 1-3 : WiFi
  • the network load value reflects both the cellular and WLAN networks.
  • the WLAN is unavailable, and the WLAN associated with the UE cannot carry more services, and the network device can determine whether the WLAN is available according to the state of the WLAN that is associated with the UE.
  • the manner for determining whether the WLAN is available is not limited in the embodiment of the present invention.
  • Table 4 Service Type Preferred Network Traffic Policy Information
  • Table 2 The difference from Table 2 is that the preferred network of services is set in advance in Table 4 above.
  • the network load value can be divided according to the actual load of different networks in Table 5 below.
  • the difference from Table 3 is that the network load of WLAN is further divided in Table 5: Table 5
  • Step 207 The UE obtains, from the policy information, a network corresponding to the network state domain value that matches the network load information, and uses the network as the target network.
  • the network load information and the traffic distribution policy information may be matched, for example, IM service, if the network load information is within the network status field value "0-2", the 2G/3G network is determined as the target network, otherwise, the WLAN is determined as the target network.
  • the network load information and the traffic distribution policy information may be matched, because Table 4
  • the preferred network is set up, and the IM service is still taken as an example.
  • the 2G/3G network in the policy information corresponding to the top service is the preferred network. Therefore, it is first determined whether the network load information of the 2G/3G network is in the network status field value "0-2". If yes, the 2G/3G network is determined as the target network. If not, it is determined whether the network load information of the WLAN network is within the network status field value "0-1", and if so, the WLAN is determined as the target network.
  • Step 208 The UE offloads the service to the target network. It can be seen from the foregoing embodiment that the embodiment does not perform traffic distribution only according to the service attribute, but can split the service based on the network load information of different access networks, thereby improving the traffic distribution effect and improving the service quality. Enhance the overall performance of the converged network while ensuring user experience.
  • FIG. 3 it is a flowchart of another embodiment of a method for controlling offloading according to the present invention. The embodiment describes a process of controlling traffic offloading to a target network based on signal coverage information: Step 301: The UE sends a registration message to the network device, where the registration is performed.
  • the message contains capability information that the UE supports concurrent transmission.
  • the UE acquires a traffic off policy from the network device.
  • the UE sends a registration message to the network device, where the registration message carries the capability information of the UE, and the capability information mainly refers to whether the UE supports concurrent, that is, whether the UE supports simultaneous association of multiple networks.
  • the registration message may further include version information of the obtained offloading policy.
  • the network device After the network device receives the registration message, if the registration message carries the capability information that the UE supports the concurrent transmission, the network device sends a traffic off policy to the UE. If the registration message does not carry the capability information of the UE supporting concurrent transmission, The network device does not send the offloading policy to the UE. Further, when the registration message further carries the version information of the offloading policy, the network device compares the version information with the version information of the offloading policy in the current network device, when the two are inconsistent The network device sends a traffic offloading policy to the UE.
  • the network device when the network device sends the offloading policy, the network device may also be combined with the current associated network of the UE, such as the current network of the UE, the cell where the UE is currently located, and/or the subscription information of the user, for example, the package used by the UE user, the tariff, and the like. Send it. Therefore, the network side may pre-set a traffic offloading policy for different associated networks.
  • the network side may pre-set a traffic offloading policy for different associated networks.
  • the network side may pre-set a traffic offloading policy for different associated networks.
  • the registration message sent by the UE it is determined according to the current associated network of the UE and/or the subscription information of the user, whether it is required to return a traffic off policy to the UE, and needs to be sent to the UE. After the traffic distribution policy is delivered, the corresponding traffic distribution policy is sent to the UE.
  • the network device may only return the incremental information that changes in the offloading policy to the UE, thereby saving network transmission. Resources.
  • the UE may return an acknowledgement message to the network policy.
  • the UE obtains signal coverage information by using downlink measurement. In this embodiment, the UE may perform downlink data measurement according to an existing manner to obtain signal coverage information.
  • the UE can obtain the reference signal received power through downlink measurement (Reference Signal Receiving Power, RSRP) Reference Signal Received Quality (RSRQ);
  • the UE can obtain the Common Pilot Channe l (CPICH) received signal code power through the downlink measurement (Received Signal Code) Power, RSCP), Carrier Received Signal Strength Indication (RSI);
  • CPICH Common Pilot Channe l
  • RSCP Received Signal Code
  • RSI Carrier Received Signal Strength Indication
  • UE can obtain Carrier RSSI through downlink measurement
  • UE can obtain received channel power parameters through downlink measurement (Received Channe l Power Indicator, RCPI), Received Signal to noisy Se Indicator (RSNI), etc.
  • the signal coverage information obtained by the downlink measurement may be an average value of the signal coverage information obtained by the UE for downlink measurement in a period of time.
  • the UE may be executed at the same time, or may be performed in a sequence, which is not limited in this embodiment of the present invention. It should be noted that the foregoing step 301 and step 302 may also be performed after step 303, that is, the embodiment of the present invention does not limit the execution order of acquiring the offloading policy and obtaining the signal coverage information.
  • Step 304 The UE acquires a service type of the current service to be transmitted. In this embodiment, the service type is not limited, and the service type can be flexibly adjusted according to the setting of the traffic distribution policy.
  • the service type can be simply divided into a voice service and a video service; or, the service type can be subdivided into an instant.
  • the difference between the embodiment and the embodiment shown in FIG. 2 is that the network state information in the embodiment shown in FIG. 2 is network load information, and the network state information in this embodiment is signal coverage information.
  • the network state information in the embodiment shown in FIG. 2 is network load information
  • the network state information in this embodiment is signal coverage information.
  • Step 306 The UE obtains, from the policy information, a network corresponding to the network status field value that matches the signal coverage information, and uses the network as the target network.
  • Step 307 The UE offloads the service to the target network. It can be seen from the foregoing embodiment that the embodiment does not perform traffic distribution only according to the service attribute, but can split the service based on the signal coverage information of different access networks, thereby improving the traffic distribution effect and improving the service quality, while ensuring the user experience. Enhanced the overall performance of the converged network. Referring to FIG. 4, it is a flowchart of another embodiment of a method for controlling offloading according to the present invention.
  • Step 401 The UE acquires a pre-configured offload policy on the UE.
  • Step 402 The UE calculates a network transmission rate according to the network load information sent by the network device and the signal coverage information obtained by the downlink measurement.
  • the process of acquiring the network load information sent by the network device by the UE may be referred to the descriptions of step 203 and step 204 in the embodiment shown in FIG. 2, and the process of obtaining the signal coverage information by the UE through the downlink measurement may be as shown in FIG.
  • the description of step 303 in the embodiment is not described herein again.
  • the network transmission rate can be obtained by looking up the table, as shown in the following Table 6, or the network transmission rate is calculated by the formula, which is not limited in this embodiment of the present invention. Table 6
  • Step 401 may also be performed after the step 402, that is, the embodiment of the present invention does not limit the execution order of acquiring the offloading policy and obtaining the network transmission rate.
  • Step 403 The UE acquires a service type of the current service to be transmitted.
  • the service type is not limited, and the service type can be flexibly adjusted according to the setting of the traffic distribution policy. For example, the service type can be simply divided into a voice service and a video service; or, the service type can be subdivided into an instant. Communication services, VoIP services, streaming media services, web browsing services, cloud application services, file transfer services, etc.
  • Step 404 The UE acquires policy information corresponding to the service type from the traffic off policy.
  • the network status information in the embodiment shown in FIG. 2 is The network load information
  • the network state information in this embodiment is the network transmission rate.
  • the network state field value in the traffic distribution policy in the embodiment shown in FIG. 2 is adjusted to the threshold value of the network transmission rate, and is no longer Narration.
  • Step 405 The UE obtains, from the policy information, a network corresponding to the network state domain value that matches the network transmission rate, and uses the network as the target network.
  • Step 406 The UE offloads the service to the target network.
  • the embodiment does not perform traffic distribution only according to the service attribute, but can split the service according to the network transmission rate of different access networks, thereby improving the traffic distribution effect and improving the service quality, while ensuring the user experience. Enhanced the overall performance of the converged network.
  • the present invention also provides an embodiment of a UE, a network device, and a server. Referring to FIG. 5, it is a block diagram of an embodiment of a UE according to the present invention: The UE includes: a receiver 510 and a processor 520.
  • the receiver 510 is configured to obtain network state information of different types of networks, and obtain a traffic distribution policy, where the traffic distribution policy includes a service type, a network state domain value, and a correspondence between different types of networks.
  • the processor 520 is configured to select a target network for the service according to the network state information and the correspondence, and offload the service to the target network.
  • the receiver 510 is specifically configured to obtain network state information according to at least one of the following manners: the receiver acquires network load information sent by the network device; and the receiver obtains signal coverage information by using downlink measurement.
  • the receiver obtains the network transmission rate according to the network load information sent by the network device and/or the signal coverage obtained by the downlink measurement.
  • the UE may further include a transmitter 530:
  • the transmitter 530 is configured to report an association network message to the network device, where the associated network message indicates a network that the UE is currently associated with;
  • the receiver 510 may be specifically configured to receive the network device according to the associated network.
  • the receiver 510 may be configured to obtain a pre-configured traffic off policy on the UE, or obtain a traffic offloading policy sent by the network device.
  • the receiver 510 may be specifically configured to send a registration message to the network device, and receive a traffic off policy that is returned by the network device according to the registration message.
  • the receiver 510 is specifically configured to receive, by the network device, a traffic off policy that is returned when the UE includes the capability information that the UE supports the concurrent transmission, and the capability of the UE to support concurrent transmission is The UE supports simultaneous access to different types of networks; and/or receives a version of the offload policy saved by the UE and the version of the offload policy of the network device included in the registration message When inconsistent, the returned traffic policy.
  • the traffic offloading policy obtained by the receiver 510 may further include service classification information, where the service classification information includes a service type corresponding to a service of a different application; the processor 520 may be further configured to use the service The service classification information obtains the service type of the service.
  • the offloading policy obtained by the receiver further includes a preferred network corresponding to the service type.
  • the processor 520 may be specifically configured to: correspond to the network state information of the different types of networks and the service type of the service.
  • the network state field values of the network are matched, when the network state information is within the network state domain value corresponding to the preferred network, or when the network state information of each network corresponds to the service type of the service When the network state domain values of the network do not match, the preferred network is set as the target network.
  • FIG. 6 a block diagram of an embodiment of a network device according to the present invention includes: a receiver 610 and a transmitter 620.
  • the receiver 610 is configured to acquire network state information of different types of networks
  • the transmitter 620 is configured to send the network state information to the UE, so that the UE obtains the network state information according to the UE and the UE.
  • Service type, network status field value, and different types of networks included in the traffic distribution policy Corresponding relationship after selecting a target network for the service, offloading the service to the target network.
  • the transmitter 620 may be specifically configured to send network load information to the UE, and/or the network device sends a measurement pilot to the UE, so that the UE performs the measurement pilot by using the measurement.
  • the downlink measurement acquires signal coverage information.
  • the transmitter 620 may be specifically configured to: according to the associated network message reported by the UE, to the
  • the UE sends the network load information of all or part of the network that the UE is currently associated with, the associated network message indicates the network currently associated with the UE, or periodically sends network load information to the UE, or detects that the network load changes.
  • the transmitter 620 is further configured to send the offloading policy to the UE, where the offloading policy is a traffic offloading policy configured on the network device, or the offloading policy is sent by the server to the server.
  • the offloading strategy of the network device is further configured to receive a registration message sent by the UE, where the transmitter 620 may be specifically configured to: when the registration message includes the capability information that the UE supports concurrent transmission.
  • the server includes: a memory 710 and a transmitter 720.
  • the memory 710 is configured to store a traffic offloading policy, where the traffic splitting policy includes a service type, a network state domain value, and a corresponding relationship between different types of networks.
  • the transmitter 720 is configured to send the traffic distribution policy to the UE. And after the UE selects the target network according to the correspondence relationship included in the offloading policy and the network state information of different types of networks acquired by the UE, the UE is offloaded to the target network.
  • the transmitter 720 may be specifically configured to: when receiving the registration message sent by the UE, including the capability information that the UE supports the concurrent transmission, sending the traffic off policy to the UE, where the UE supports The capability of concurrent transmission is that the UE supports simultaneous access to different types of networks; and/or, when receiving the registration message sent by the UE, the version of the offloading policy saved by the UE and the offloading of the network device When the version of the policy is inconsistent, the traffic offloading policy is delivered to the UE.
  • the UE obtains network state information of different types of networks, and obtains a traffic off policy, where the traffic splitting policy includes a service type, a network state domain value, and a corresponding relationship between different types of networks, and the UE obtains network state information according to the
  • the correspondence is a service selection target network, and the service is offloaded to the target network.
  • the embodiment of the present invention not only performs traffic distribution according to the service attribute, but can also offload the service based on the network state of different access networks, thereby improving the traffic distribution effect, improving the service quality, and enhancing the convergence of the network while ensuring the user experience. Overall performance.
  • the techniques in the embodiments of the present invention can be implemented by means of software plus a necessary general hardware platform.
  • the technical solution in the embodiments of the present invention may be embodied in the form of a software product in essence or in the form of a software product, and the computer software product may be stored in a storage medium, such as a ROM/RAM. , a diskette, an optical disk, etc., comprising instructions for causing a computer device (which may be a personal computer, server, or network device, etc.) to perform the methods described in various embodiments of the present invention or in certain portions of the embodiments.
  • a computer device which may be a personal computer, server, or network device, etc.

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Abstract

本发明实施例公开了控制分流的方法、UE、网络设备及服务器,所述方法包括:UE获取不同类型网络的网络状态信息,以及获取分流策略,其中,所述分流策略包括业务类型、网络状态域值和不同类型网络之间的对应关系;所述UE根据所述网络状态信息和所述对应关系为业务选择目标网络;所述UE将所述业务分流到所述目标网络。本发明实施例不是仅根据业务属性进行分流,而是可以基于不同接入网络的网络状态对业务进行分流,从而可以提高分流效果,提升业务质量,在保证用户体验的同时增强了融合网络的整体性能。

Description

控制分流的方法、 UE、 网络设备及服务器
技术领域 本发明涉及通信技术领域, 特别是涉及控制分流的方法、 用户设备 (User Equipment , UE)、 网络设备及服务器。 背景技术 随着无线通信业务需求的增长,越来越多的无线通信技术已经或正在步入实用阶 段, 例如, 已经广泛使用的无线局域网 (Wireless Local Area Network, WLAN) 和 蜂窝(Cel lular )网络,蜂窝网络包括全球移动通信 /通用分组无线服务(Global System for Mobi l e communicat ions/ General Packet Radio Service , GSM/GPRS)、 通用移 云力通信系统 ( Universal Mob i le Telecommunications System, UMTS )、 正在步入商 用阶段的长期演进 (Long Term Evo lution, LTE ) 系统等。 随着智能终端的普及, 人 们对数据通信需求的激增, 导致蜂窝网络承载的数据负荷越来越大, 而 WLAN 由于建 网相对简单, 成本较低, 因此可以将 WLAN 作为蜂窝网络的补充, 分担蜂窝网络的部 分数据业务, 减轻蜂窝网络的数据负荷。 现有技术中, 当 UE接入同一运营商的蜂窝网络与 WLAN网络时, 网络侧可以通过 接入网络发现选择功能 ( Access Network Di scovery and Selection Function, ANDSF ) 服务器对 UE 的业务分流进行控制。 通常 ANDSF 服务器基于业务的互联网协议 ( Internet Protocol , IP ) 属性制定分流策略, 例如, 将某个 IP段的业务分流到蜂 窝网络, 将另一个 IP段的业务分流到 WLAN等。 但是, 如果根据业务的 IP属性确定 的目标网络的网络状态较差, 将会导致分流效果不佳, 业务质量较差, 用户体验不高, 由此降低了融合网络的整体性能。 发明内容 本发明实施例中提供了控制分流的方法、 UE、 网络设备及服务器, 以解决现有技 术中按照业务属性对业务进行分流时, 容易导致分流效果不佳, 降低网络整体性能的 问题。 为了解决上述技术问题, 本发明实施例公开了如下技术方案: 第一方面, 提供一种控制分流的方法, 所述方法包括: 用户设备 UE获取不同类型网络的网络状态信息, 以及获取分流策略, 其中, 所 述分流策略包括业务类型、 网络状态域值和不同类型网络之间的对应关系; 所述 UE根据所述网络状态信息和所述对应关系为业务选择目标网络; 所述 UE将所述业务分流到所述目标网络。 结合第一方面, 在第一方面的第一种可能的实现方式中, 所述 UE按照至少一种 下述方式获取不同网络的网络状态信息:
UE获取网络设备下发的网络负荷信息; UE通过下行测量获得信号覆盖信息;
UE根据网络设备下发的网络负荷信息和 /或下行测量获得的信号覆盖信息获得网 络传输速率。 结合第一方面的第一种可能的实现方式, 在第一方面的第二种可能的实现方式 中, 所述 UE获取网络设备下发的网络负荷信息之前, 包括: 所述 UE向网络设备上报 关联网络消息, 所述关联网络消息指示所述 UE当前关联的网络; 所述 UE获取网络设备下发的网络负荷信息具体为:所述 UE接收所述网络设备根 据所述关联网络消息下发的所述 UE当前关联的所有或部分网络的网络负荷信息。 结合第一方面,在第一方面的第三种可能的实现方式中,所述获取分流策略包括: 获取 UE上预先配置的分流策略; 或者, 获取网络设备发送的分流策略。 结合第一方面的第三种可能的实现方式, 在第一方面的第四种可能的实现方式 中, 所述获取网络设备发送的分流策略包括: 向网络设备发送注册消息; 接收所述网络设备根据所述注册消息返回的分流策略。 结合第一方面的第四种可能的实现方式, 在第一方面的第五种可能的实现方式 中, 所述接收所述网络设备根据所述注册消息返回的分流策略包括: 接收所述网络设备在所述注册消息中包含所述 UE支持并发传输的能力信息时, 返回的分流策略, 所述 UE支持并发传输的能力为所述 UE支持同时接入到不同类型的 网络; 和 /或, 接收所述网络设备在所述注册消息中包含的所述 UE所保存的分流策略 的版本与所述网络设备的分流策略的版本不一致时, 返回的分流策略。 结合第一方面, 或第一方面的第一种可能的实现方式, 或第一方面的第二种可能 的实现方式, 或第一方面的第三种可能的实现方式, 或第一方面的第四种可能的实现 方式,或第一方面的第五种可能的实现方式,在第一方面的第六种可能的实现方式中, 所述分流策略还包括: 业务分类信息, 所述业务分类信息中包含不同应用的业务对应 的业务类型; 所述 UE根据所述不同网络的网络状态信息和所述对应关系为业务选择目标网络 之前, 还包括: 所述 UE从所述业务分类信息中获取所述业务的业务类型。 结合第一方面的第六种可能的实现方式, 在第一方面的第七种可能的实现方式 中, 所述分流策略还包括: 业务类型对应的优选网络, 所述 UE 根据所述网络状态信 息和所述对应关系为业务选择目标网络包括: UE 将所述不同类型网络的网络状态信息与所述业务的业务类型对应的网络的网 络状态域值进行匹配; 当所述网络状态信息在所述优选网络对应的网络状态域值范围内时,或当所述每 个网络的网络状态信息与所述业务的业务类型对应的网络的网络状态域值均不匹配 时, 设置所述优选网络为目标网络。 第二方面, 提供另一种控制分流的方法, 所述方法包括: 网络设备获取不同类型网络的网络状态信息; 网络设备向 UE下发所述网络状态信息, 以使所述 UE根据所述网络状态信息和所 述 UE 获取的分流策略中包括的业务类型、 网络状态域值和不同类型网络之间的对应 关系, 为业务选择目标网络后, 将所述业务分流到所述目标网络。 结合第二方面, 在第二方面的第一种可能的实现方式中, 所述网络设备向 UE下 发网络状态信息包括: 所述网络设备向 UE下发网络负荷信息; 和 /或, 所述网络设备向 UE下发测量导频, 以使所述 UE通过对所述测量导频进行下行测 量获取信号覆盖信息。 结合第二方面的第一种可能的实现方式, 在第二方面的第二种可能的实现方式 中, 所述网络设备向 UE下发网络负荷信息包括: 所述网络设备接收 UE上报的关联网络消息,所述关联网络消息指示所述 UE当前 关联的网络, 所述网络设备根据所述关联网络消息, 向所述 UE下发所述 UE当前关联 的所有或部分网络的网络负荷信息; 或者, 所述网络设备周期向 UE下发网络负荷信息; 或者, 所述网络设备检测到网络负荷发生变化时, 向 UE下发网络负荷信息。 结合第二方面, 或第二方面的第一种可能的实现方式, 或第二方面的第二种可能 的实现方式, 在第二方面的第三种可能的实现方式中, 所述方法还包括: 所述网络设 备向 UE下发所述分流策略; 其中, 所述分流策略为配置在所述网络设备上的分流策略; 或者, 所述分流策略为服务器发送给所述网络设备的分流策略。 结合第二方面的第三种可能的实现方式, 在第二方面的第四种可能的实现方式 中, 所述网络设备向 UE下发所述分流策略之前, 所述方法还包括: 接收所述 UE发送 的注册消息; 所述网络设备向 UE下发所述分流策略包括: 当所述注册消息中包含所述 UE支持并发传输的能力信息时, 所述网络设备向所 述 UE下发所述分流策略, 所述 UE支持并发传输的能力为所述 UE支持同时接入到不 同类型的网络; 和 /或, 当所述注册消息中包含的所述 UE所保存的分流策略的版本与所述网络设备的分 流策略的版本不一致时, 所述网络设备向所述 UE下发所述分流策略。 第三方面, 提供一种 UE, 所述 UE包括: 接收器和处理器, 其中, 所述接收器,用于获取不同类型网络的网络状态信息, 以及获取分流策略,其中, 所述分流策略包括业务类型、 网络状态域值和不同类型网络之间的对应关系; 所述处理器, 用于根据所述网络状态信息和所述对应关系为业务选择目标网络, 并将所述业务分流到所述目标网络。 结合第三方面, 在第三方面的第一种可能的实现方式中, 所述接收器具体用于按 照至少一种下述方式获取网络状态信息: 所述接收器获取网络设备下发的网络负荷信息; 所述接收器通过下行测量获得信号覆盖信息; 所述接收器根据网络设备下发的网络负荷信息和 /或下行测量获得的信号覆盖信 息获得网络传输速率。 结合第三方面的第一种可能的实现方式, 在第三方面的第二种可能的实现方式 中, 所述 UE还包括: 发射器, 用于向网络设备上报关联网络消息, 所述关联网络消息指示所述 UE当 前关联的网络; 所述接收器, 具体用于接收所述网络设备根据所述关联网络消息下发的所述 UE 当前关联的所有或部分网络的网络负荷信息。 结合第三方面, 在第三方面的第三种可能的实现方式中, 所述接收器, 具体用于 获取 UE上预先配置的分流策略, 或者获取网络设备发送的分流策略。 结合第三方面的第三种可能的实现方式, 在第三方面的第四种可能的实现方式 中, 所述接收器, 具体用于向网络设备发送注册消息, 并接收所述网络设备根据所述 注册消息返回的分流策略。 结合第三方面的第四种可能的实现方式, 在第三方面的第五种可能的实现方式 中, 所述接收器, 具体用于接收所述网络设备在所述注册消息中包含所述 UE 支持并 发传输的能力信息时, 返回的分流策略, 所述 UE支持并发传输的能力为所述 UE支持 同时接入到不同类型的网络; 和 /或, 接收所述网络设备在所述注册消息中包含的所 述 UE 所保存的分流策略的版本与所述网络设备的分流策略的版本不一致时, 返回的 分流策略。 结合第三方面, 或第三方面的第一种可能的实现方式, 或第三方面的第二种可能 的实现方式, 或第三方面的第三种可能的实现方式, 或第三方面的第四种可能的实现 方式,或第三方面的第五种可能的实现方式,在第三方面的第六种可能的实现方式中, 所述接收器获取的分流策略中还包括业务分类信息, 所述业务分类信息中包含不同应 用的业务对应的业务类型; 所述处理器, 还用于从所述业务分类信息中获取所述业务的业务类型。 结合第三方面的第六种可能的实现方式, 在第三方面的第七种可能的实现方式 中, 所述接收器获取的分流策略中还包括业务类型对应的优选网络; 所述处理器,具体用于将所述不同类型网络的网络状态信息与所述业务的业务类 型对应的网络的网络状态域值进行匹配, 当所述网络状态信息在所述优选网络对应的 网络状态域值范围内时, 或当所述每个网络的网络状态信息与所述业务的业务类型对 应的网络的网络状态域值均不匹配时, 设置所述优选网络为目标网络。 第四方面, 提供一种网络设备, 所述网络设备包括: 接收器, 用于获取不同类型网络的网络状态信息; 发射器, 用于向 UE下发所述网络状态信息, 以使所述 UE根据所述网络状态信息 和所述 UE 获取的分流策略中包括的业务类型、 网络状态域值和不同类型网络之间的 对应关系, 为业务选择目标网络后, 将所述业务分流到所述目标网络。 结合第四方面, 在第四方面的第一种可能的实现方式中, 所述发射器, 具体用于 向 UE下发网络负荷信息, 和 /或所述网络设备向 UE下发测量导频, 以使所述 UE通过 对所述测量导频进行下行测量获取信号覆盖信息。 结合第四方面的第一种可能的实现方式, 在第四方面的第二种可能的实现方式 中, 所述发射器, 具体用于根据 UE上报的关联网络消息, 向所述 UE下发所述 UE当 前关联的所有或部分网络的网络负荷信息, 所述关联网络消息指示所述 UE 当前关联 的网络, 或者周期向 UE下发网络负荷信息, 或者检测到网络负荷发生变化时, 向 UE 下发网络负荷信息。 结合第四方面, 或第四方面的第一种可能的实现方式, 或第四方面的第二种可能 的实现方式, 在第四方面的第三种可能的实现方式中, 所述发射器, 还用于向 UE 下 发所述分流策略, 其中, 所述分流策略为配置在所述网络设备上的分流策略, 或者所 述分流策略为服务器发送给所述网络设备的分流策略。 结合第四方面的第三种可能的实现方式, 在第四方面的第四种可能的实现方式 中, 所述接收器, 还用于接收所述 UE发送的注册消息; 所述发射器, 具体用于当所述注册消息中包含所述 UE支持并发传输的能力信息 时, 向所述 UE下发所述分流策略, 所述 UE支持并发传输的能力为所述 UE支持同时 接入到不同类型的网络; 和 /或, 当所述注册消息中包含的所述 UE所保存的分流策略 的版本与所述网络设备的分流策略的版本不一致时, 向所述 UE下发所述分流策略。 第五方面, 提供一种服务器, 所述服务器包括: 存储器, 用于存储分流策略, 其中, 所述分流策略包括业务类型、 网络状态域值 和不同类型网络之间的对应关系; 发射器, 用于向 UE下发所述分流策略, 以使所述 UE根据所述分流策略中包括的 所述对应关系和所述 UE 获取的不同类型网络的网络状态信息, 为业务选择目标网络 后, 将所述业务分流到所述目标网络。 结合第五方面, 在第五方面的第一种可能的实现方式中, 所述发射器, 具体用于 当接收到 UE发送的注册消息中包含所述 UE支持并发传输的能力信息时, 向所述 UE 下发所述分流策略, 所述 UE支持并发传输的能力为所述 UE支持同时接入到不同类型 的网络; 和 /或, 当接收到 UE发送的注册消息中包含的所述 UE所保存的分流策略的 版本与所述网络设备的分流策略的版本不一致时, 向所述 UE下发所述分流策略。 本发明实施例中, UE 获取不同类型网络的网络状态信息, 以及获取分流策略, 该分流策略包括业务类型、 网络状态域值和不同类型网络之间的对应关系, UE根据获 取的网络状态信息和该对应关系为业务选择目标网络, 并将业务分流到该目标网络。 由于本发明实施例不是仅根据业务属性进行分流, 而是可以基于不同接入网络的网络 状态对业务进行分流, 从而可以提高分流效果, 提升业务质量, 在保证用户体验的同 时增强了融合网络的整体性能。 附图说明 为了更清楚地说明本发明实施例或现有技术中的技术方案,下面将对实施例或现 有技术描述中所需要使用的附图作简单地介绍, 显而易见地, 对于本领域普通技术人 员而言, 在不付出创造性劳动性的前提下, 还可以根据这些附图获得其他的附图。 图 1A为本发明控制分流的方法的一个实施例流程图; 图 IB为本发明控制分流的方法的另一个实施例流程图; 图 1C为本发明控制分流的方法的另一个实施例流程图; 图 2为本发明控制分流的方法的另一个实施例流程图; 图 3为本发明控制分流的方法的另一个实施例流程图; 图 4为本发明控制分流的方法的另一个实施例流程图; 图 5为本发明 UE的实施例框图; 图 6为本发明网络设备的实施例框图; 图 7为本发明服务器的实施例框图。 具体实施方式 本发明如下实施例提供了控制分流的方法、 UE、 网络设备及服务器。 为了使本技术领域的人员更好地理解本发明实施例中的技术方案,并使本发明实 施例的上述目的、 特征和优点能够更加明显易懂, 下面结合附图对本发明实施例中技 术方案作进一步详细的说明。 参见图 1A, 为本发明控制分流的方法的一个实施例流程图, 该实施例从 UE侧描 述了控制业务分流到目标网络的过程: 步骤 101 : UE获取不同类型网络的网络状态信息, 以及获取分流策略, 该分流策 略包括业务类型、 网络状态域值和不同类型网络之间的对应关系。 本实施例中, 网络状态信息可以包括: 网络负荷信息, 信号覆盖范围, 或网络传 输速率等。 其中, UE 可以按照至少一种下述方式获取不同的网络状态信息: UE 获取 网络设备下发的网络负荷信息; UE根据网络设备下发的网络负荷信息和 /或下行测量 获得的信号覆盖信息获得网络传输速率。其中, UE在获取网络设备下发的网络负荷信 息时可以包括: UE向网络设备上报关联网络消息后, 接收网络设备根据所述关联网络 消息的触发发送的网络负荷信息, 或者 UE 接收网络设备周期下发的网络负荷信息, 或者 UE接收所述网络设备在检测到网络负荷发生变化时,向 UE发送的网络负荷信息。 具体的, UE 可以在所关联的网络发生变化时, 向网络设备上报关联网络消息, 或者 UE 也可以向网络设备周期上报关联网络消息。 本实施例中, 不同类型网络可以包括蜂 窝网络和无线局域网 WLAN。 本实施例中, 分流策略是基于网络状态设置的分流策略, 该分流策略可以包括业 务类型、 网络状态域值和不同类型网络之间的对应关系。 其中, UE可以按照至少一种下 述方式获取分流策略: 获取 UE上预先配置的分流策略, 例如, 对于定制 UE, 可以预 先将分流策略配置在 UE的操作系统中; 或者, 获取网络设备发送的分流策略, 例如, UE上可以设置应用客户端 (App Cl ient ) , UE利用该应用客户端通过网络与应用服务 器 (App Server ) 交互, 从而获得应用服务器下发的分流策略。 可选的, UE 可以向网络设备发送注册消息, 并接收网络设备根据注册消息返回 的分流策略。 具体的, UE可以接收网络设备在注册消息中包含 UE支持并发传输的能 力信息时, 返回的分流策略, 所述 UE支持并发传输的能力为所述 UE支持同时接入到不 同类型的网络,和 /或 UE也可以接收网络设备在注册消息中包含的 UE所保存的分流策 略的版本与网络设备的分流策略的版本不一致时, 返回的分流策略。 步骤 102 : UE根据获取的网络状态信息和该对应关系为业务选择目标网络。 本实施例中, UE 可以根据业务的业务类型获取与该业务的业务类型对应的分流 策略, 从所述业务类型对应的分流策略中获得与所述网络状态信息匹配的网络状态域 值所对应的网络, 将所述网络作为目标网络。 进一步, 当分流策略中还包括业务分类 信息时, UE可以先从业务分类信息中获取所述业务的业务类型, 当分流策略还包括业 务类型对应的优选网络时, UE可以将不同类型网络的网络状态信息与所述业务的业务 类型对应的网络的网络状态域值进行匹配, 当所述网络状态信息在所述优选网络对应 的网络状态域值范围内时, 或当所述每个网络的网络状态信息与所述业务的业务类型 对应的网络的网络状态域值均不匹配时, 设置所述优选网络为目标网络。 本实施例不对业务类型的划分进行限制,可以根据分流策略的设置灵活调整业务 类型, 例如, 可以将业务类型简单划分为语音类业务, 视频类业务; 或者, 也可以根 据应用的不同属性将业务类型细分为即时通信类业务、 网络电话类业务、 流媒体类业 务、 网页浏览类业务、 云应用类业务、 文件传输类业务等。 UE可以通过应用的名字在 分流策略中的应用分类中查找该应用对应的业务类型。 步骤 103 : UE将业务分流到目标网络。 由上述实施例可见, 该实施例不是仅根据业务属性进行分流, 而是可以基于不同 接入网络的网络状态对业务进行分流, 从而可以提高分流效果, 提升业务质量, 在保 证用户体验的同时增强了网络的整体性能。 参见图 1B, 为本发明控制分流的方法的另一个实施例流程图, 该实施例从网络 设备侧描述了控制业务分流到目标网络的过程: 步骤 111 : 网络设备获取不同类型网络的网络状态信息。 本实施例中, 网络设备可以具体指网络控制器 (Network Control ler)。 其中, 不同类型网络中的网络控制器的具体形态可以不同, 例如, 可以是 GSM网络中的基站 ( Base transceiver station, BTS) 或者可以是管理多个 BTS 的基站控制器 ( Base station control ler, BSC) ; 可以是 UMTS网络中的基站 (Node B), 或者是管理多个 Node B的无线网络控制器 ( Radio Network control ler, RNC); 可以是 LTE网络中的 演进基站(evaluated Node B, eNB ),或者是管理多个 eNB的移动性管理实体(Mobi l ity management entity, MME ); 可以是 WLAN 网络中的接入点 ( Access Point , AP ), 或 者是管理多个 AP 的接入控制器 (Access Control ler, AC)。 上述不同形态的网络控 制器之间可能存在接口, 可以通过接口传递网络状态信息, 比如 RNC和 AC有接口, 则 RNC可以通过 AC获取 AC管理的多个 AP的网络状态信息, 如果 UE同时与 RNC管理 的一个 Node B和 AC管理的一个 AP关联,则 RNC可以通过 UE关联的 Node B将该 Node B和 UE关联的 AP的网络状态信息下发给 UE, 当然也可以是 Node B和 AP分别将各自 的网络状态信息下发给 UE。 本实施例中, 网络设备获取的网络状态信息可以具体指网络负荷信息, 或者测量 导频, 以使 UE通过对测量导频进行下行测量获取信号覆盖信息。 步骤 112: 网络设备向 UE下发网络状态信息, 以使 UE根据该网络状态信息和 UE 获取的分流策略中包括的业务类型、 网络状态域值和不同类型网络之间的对应关系, 为业 务选择目标网络后, 将业务分流到目标网络。 本实施例中, 网络设备可以按照至少一种下述方式下发网络负荷信息: 网络设备 接收到 UE上报的关联网络消息后, 向 UE下发获取的网络负荷信息; 或者, 网络设备 周期向 UE 下发获取的网络负荷信息; 或者, 网络设备检测到网络负荷发送变化时, 向 UE下发获取的网络负荷信息。 可选的, 当 UE上报的关联网络消息指示 UE仅关联到 一个网络时, 可以停止向 UE下发网络负荷信息。 进一步, 本实施例中, 网络设备也可以向 UE下发基于网络状态的分流策略, 该分流 策略为配置在网络设备上的分流策略, 或者为服务器发送给网络设备的分流策略。 由上述实施例可见, 该实施例不是仅根据业务属性进行分流, 而是可以基于不同 接入网络的网络状态对业务进行分流, 从而可以提高分流效果, 提升业务质量, 在保 证用户体验的同时增强了网络的整体性能。 参见图 ic, 为本发明控制分流的方法的另一个实施例流程图, 该实施例从服务 器侧描述了控制业务分流到目标网络的过程: 步骤 121 : 服务器存储分流策略, 该分流策略包括业务类型、 网络状态域值和不同 类型网络之间的对应关系。 步骤 122 : 服务器向 UE下发分流策略, 以使 UE根据该分流策略中包括的该对应 关系和 UE获取的不同类型网络的网络状态信息, 为业务选择目标网络后, 将业务分流 到该目标网络。 可选的, 服务器向 UE下发分流策略之前, 可以接收 UE发送的注册消息, 当注册 消息中包含 UE支持并发传输的能力信息时, 服务器可以向 UE下发分流策略, UE支持 并发传输的能力为所述 UE支持同时接入到不同类型的网络; 和 /或当注册消息中包含的 UE 所保存的分流策略的版本与网络设备的分流策略的版本不一致时, 服务器可以向 UE下发分流策略。 可选的, 服务器也可以先向网络设备下发分流策略, 以通过网络设备 将分流策略转发给 UE。 参见图 2, 为本发明控制分流的方法的另一个实施例流程图, 该实施例描述了基 于网络负荷信息控制业务分流到目标网络的过程: 步骤 201 : UE向网络设备发送注册消息, 该注册消息中包含 UE支持并发传输的 能力信息。 本实施例中, UE从网络设备获取分流策略。 当 UE需要与网络设备通信时, UE向 网络设备发送注册消息, 该注册消息中携带 UE的能力信息, 该能力信息主要指 UE是 否支持并发, 即 UE是否支持同时关联多个网络。 可选的, 当 UE 已经从网络设备获取过分流策略, 则该注册消息中还可以包含已 获取的分流策略的版本信息。 步骤 202 : 网络设备根据注册消息向 UE返回分流策略。 网络设备接收到注册消息后, 如果该注册消息中携带了 UE支持并发传输的能力 信息时, 则网络设备向 UE发送分流策略, 如果该注册消息中未携带 UE支持并发传输 的能力信息时, 则网络设备不向 UE 发送分流策略; 进一步, 当该注册消息中还携带 了分流策略的版本信息时, 则网络设备比较该版本信息与当前网络设备内的分流策略 的版本信息, 当二者不一致时, 网络设备再向 UE发送分流策略。 可选的, 网络设备在发送分流策略前, 还可以结合 UE当前的关联网络 (例如 UE 当前所在网络, UE当前所在小区), 和 /或用户的签约信息 (例如该 UE用户使用的套 餐, 资费)等进行发送。 因此网络设备上可以预先设置针对不同关联网络的分流策略, 当接收到 UE发送的注册消息, 根据 UE当前的关联网络和 /或用户的签约信息, 确定 是否需要向 UE下发分流策略, 以及需要向 UE下发分流策略后, 选择对应的分流策略 下发给该 UE。 可选的,当网络设备向 UE返回的分流策略的版本高于 UE已经获取过的分流策略 的版本时, 网络设备可以仅向 UE 返回分流策略中发生变化的增量信息, 从而可以节 省网络传输资源。 可选的, UE可以在接收到分流策略后, 向网络设备返回确认消息。 步骤 203: UE向网络设备上报关联网络消息。 UE 上报的关联网络消息中包括至少一个网络的网络信息。 例如, 蜂窝网络的网 络信息可以包括: 2G网络 (GSM网络或 GPRS网络) 的网络名, 3G网络 (UMTS网络) 的网络名, 4G网络 (LTE网络) 的网络名, 小区 ID等; WLAN的网络信息可以包括: 服务集标识 ( Service Set Identifier, SSID), AP的 MAC地址等。 其中, UE可以在下述任意一项情况下向网络侧上报关联网络消息: 第一种情况: UE由单网关联变为双网关联, 例如, UE 由仅蜂窝网络 (Cel lular only) 或者仅 WLAN (WLAN only) 关联转变为蜂窝网络和 WLAN同时关联; 第二种情况: UE 在双网关联时, 某个网络的网络制式发生变化, 例如, 蜂窝网 络的蜂窝制式由 2G的 GSM网络变为 3G的 UMTS网络; 第三种情况: UE 在双网关联时, 网络的网络制式未发生变化, 但是小区发生变 化, 例如, UE始终附着在 GSM网络, 但由于 UE位置的变化, UE离开小区 A的覆盖范 围, 进入小区 B的覆盖范围; 第四种情况: UE在双网关联时, 网络的网络制式和小区均未发生变化, WLAN发 生改变, 例如, UE始终在小区 A的覆盖范围内移动, 小区 A的覆盖范围下包含多个 WLAN的 AP, 但由于 UE位置的变化, UE离开 API的覆盖范围, 移动到 AP2的覆盖范围 内; 第五种情况: UE由双网关联变为单网关联, 例如, UE从蜂窝网络和 WLAN同时关 联转变为仅蜂窝网络 (Cel lular only ) 或者仅 WLAN (WLAN only) 关联; 步骤 204: 网络设备根据关联网络消息的触发向 UE发送网络负荷信息。 结合步骤 203的描述,当 UE上报的关联网络消息中包括两个网络的网络信息时, 网络设备可以获知 UE 当前状态为双网关联, 或者即将进入双网关联, 则网络设备可 以向 UE发送网络负荷信息;当 UE上报的关联网络消息中包括一个网络的网络信息时, 则网络设备可以获知 UE当前为单网关联, 因此网络设备可以停止向 UE发送网络负荷 信息。 需要说明的是, 上述步骤 201和步骤 202也可以在步骤 204之后执行, 即本发明 实施例不对获取分流策略和获取网络负荷信息的执行顺序进行限制。 步骤 205: UE获取当前待传输业务的业务类型。 本实施例不对业务类型的划分进行限制,可以根据分流策略的设置灵活调整业务 类型, 例如, 可以将业务类型简单划分为语音类业务, 视频类业务; 或者, 也可以根 据应用的不同属性将业务类型细分为即时通信类业务、 网络电话类业务、 流媒体类业 务、 网页浏览类业务、 云应用类业务、 文件传输类业务等。 UE可以通过应用的名字在 分流策略中的应用分类中查找该应用对应的业务类型。 本实施例中, 在网络设备侧, 可以预先设置一个业务分类列表, 该业务分类列表 可以作为分流策略的一部分, 由网络设备下发给 UE, 如下表 1所示, 该表 1基于 UE 内的应用进行业务分类设置: 表 1 类型 描述 典型应用 主要特征 即时消息类, 含 Whatsapp、 微信、 iMessage等,
IM 稀疏小包 各类应用心跳 以及各类业务的心跳
网络电话类, 包 Viber ^ Skype、 Tango、 Facet ime
VoIP 持续小包 含了语音和视频通话 等
Streaming 流媒体类, 包含 YouTube、 Youku、 Spot ify、 持续大包 HTTP音视频、 P2P视 Pandora^ PPStream等
频等
SNS 社交网络类 Facebook、 Twitter, 新浪微博等 稀疏小包
Web 网页浏览类, 包
Safari, UC浏览器等 稀疏大包 Browsing 含 WAP
包含云计算和
Cloud Siri、 Evernote^ iCloud等 大包 在线云应用
邮件类, 包含
Email WebMail, P0P3禾口 Gmail 稀疏大包
SMTP
文件传输类, 包
File 含 P2P文件共享, 文
手机迅雷、 华为网盘、 AppStore 持续大包 Transfer 件存储, 应用程序下
Angry Birds ^ Draw somethings
移动游戏类, 例
Gaming Zygna的社交游戏如 Words with 稀疏大包 如社交类、 棋牌类等
friends等
M2M 机器类通信 远程抄表、 移动支付等 小包
UE可以通过查找上述表 1, 获得当前待传输业务的业务类型, 例如当前待传输业 务为 PPStream, 则通过查找上表 1可以获知对应的业务类型为 IM。 步骤 206: UE从分流策略中获取与业务类型对应的策略信息。 结合上述表 1的业务类型划分,本实施例中一个分流策略的应用实例如下表 2所 示: 表 2 业务类型 分流策略信息
IM 网络负荷 0-2: 2G/3G 网络负荷 3: WiFi
VoIP 网络负荷 0-3: 2G/3G
Streaming 网络负荷 0: 2G/3G 网络负荷 1-3: WiFi
SNS 网络负荷 0: 2G/3G 网络负荷 1-3: WiFi
Web Browsing 网络负荷 0-1 2G/3G 网络负荷 2-3: WiFi
Cloud 网络负荷 0-2 2G/3G 网络负荷 3: WiFi
Email 网络负荷 0-2 2G/3G 网络负荷 3: WiFi Fi le Transfer 网络负荷 0 : 2G/3G 网络负荷 1-3 : WiFi
Gaming 网络负荷 0-2 : 2G/3G 网络负荷 3 : WiFi
M2M 网络负荷 0 : 2G/3G 网络负荷 1-3 : WiFi
Others 网络负荷 0 : 2G/3G 网络负荷 1-3 : WiFi
上述表 2中, 网络负荷值可以按照如下表 3中不同网络的实际负荷进行划分: 表 3
Figure imgf000017_0001
上表 3中, 网络负荷值同时反映了蜂窝和 WLAN两个网络的状况。 WLAN不可用可 以指 UE所关联的 WLAN无法承载更多业务, 网络设备可以根据 UE所关联的 WLAN的状 态确定该 WLAN是否可用, 对于确定 WLAN是否可用的方式本发明实施例不进行限制。 结合上述表 1的业务类型划分, 本实施例中另一个分流策略的应用实例如下表 4 所示: 表 4 业务类型 优选网 分流策略信息
IM 2G/3G 2G/3G负荷 0-2 WLAN负荷 0 - 1
VoIP 2G/3G 2G/3G负荷 0-3 WLAN负荷 0
Streaming WLAN 2G/3G负荷 0 WLAN负荷 0-2
SNS WLAN 2G/3G负荷 0 WLAN负荷 0-3
Web Brows ing WLAN 2G/3G负荷 0-1 WLAN负荷 0-3
Cloud 2G/3G 2G/3G负荷 0-2 WLAN负荷 0 - 1
Emai l 2G/3G 2G/3G负荷 0-2 WLAN负荷 0-3
Fi le Transfer WLAN 2G/3G负荷 0 WLAN负荷 0-2
Gaming 2G/3G 2G/3G负荷 0-2 WLAN负荷 0 - 1
M2M WLAN 2G/3G负荷 0 WLAN负荷 0-2 Others WLAN 2G/3G负荷 0 WLAN负荷 0-2
与表 2不同在于, 上述表 4中预先设置了业务的优选网络。 上述表 4中, 网络负 荷值可以按照如下表 5中不同网络的实际负荷进行划分, 与表 3不同在于, 表 5中对 WLAN的网络负荷进行了进一步划分: 表 5
Figure imgf000018_0001
步骤 207 : UE从策略信息中获得与网络负荷信息匹配的网络状态域值所对应的网 络, 将该网络作为目标网络。 结合步骤 206中表 2所示的分流策略, 当 UE从表 2所示的分流策略中获取到与 业务类型对应的分流策略信息后, 可以将网络负荷信息与分流策略信息进行匹配, 例 如, 对于 IM业务, 如果网络负荷信息在网络状态域值 " 0-2 " 内, 则将 2G/3G网络确 定为目标网络, 否则, 将 WLAN确定为目标网络。 结合步骤 207中表 4所示的分流策略, 当 UE从表 4所示的分流策略中获取到与 业务类型对应的分流策略信息后, 可以将网络负荷信息与分流策略信息进行匹配, 由 于表 4中设置了优选网络, 仍然以 IM业务为例, 頂业务对应的策略信息中 2G/3G网 络为优选网络, 因此首先判断 2G/3G网络的网络负荷信息是否在网络状态域值 " 0-2 " 内, 如果在, 则将 2G/3G网络确定为目标网络, 如果不在, 则判断 WLAN网络的网络 负荷信息是否在网络状态域值 " 0- 1 " 内, 如果在, 则将 WLAN确定为目标网络, 如果 不在, 则将优选网络 2G/3G网络确定为目标网络。 步骤 208 : UE将业务分流到该目标网络。 由上述实施例可见, 该实施例不是仅根据业务属性进行分流, 而是可以基于不同 接入网络的网络负荷信息对业务进行分流, 从而可以提高分流效果, 提升业务质量, 在保证用户体验的同时增强了融合网络的整体性能。 参见图 3, 为本发明控制分流的方法的另一个实施例流程图, 该实施例描述了基 于信号覆盖信息控制业务分流到目标网络的过程: 步骤 301 : UE向网络设备发送注册消息, 该注册消息中包含 UE支持并发传输的 能力信息。 本实施例中, UE从网络设备获取分流策略。 当 UE需要与网络设备通信时, UE向 网络设备发送注册消息, 该注册消息中携带 UE的能力信息, 该能力信息主要指 UE是 否支持并发, 即 UE是否支持同时关联多个网络。 可选的, 当 UE 已经从网络设备获取过分流策略, 则该注册消息中还可以包含已 获取的分流策略的版本信息。 步骤 302 : 网络设备根据注册消息向 UE返回分流策略。 网络设备接收到注册消息后, 如果该注册消息中携带了 UE支持并发传输的能力 信息时, 则网络设备向 UE发送分流策略, 如果该注册消息中未携带 UE支持并发传输 的能力信息时, 则网络设备不向 UE 发送分流策略; 进一步, 当该注册消息中还携带 了分流策略的版本信息时, 则网络设备比较该版本信息与当前网络设备内的分流策略 的版本信息, 当二者不一致时, 网络设备再向 UE发送分流策略。 可选的, 网络设备在发送分流策略时, 还可以结合 UE当前的关联网络, 例如 UE 当前所在网络, UE当前所在小区,和 /或用户的签约信息,例如该 UE用户使用的套餐, 资费等进行发送。 因此网络侧可以预先设置针对不同关联网络的分流策略, 当接收到 UE发送的注册消息, 根据 UE当前的关联网络和 /或用户的签约信息, 确定是否需要向 UE返回分流策略, 以及需要向 UE下发分流策略后,选择对应的分流策略下发给该 UE。 可选的, 当网络设备向 UE返回的分流策略的版本高于 UE已经获取过的分流策略的版 本时, 网络设备可以仅向 UE 返回分流策略中发生变化的增量信息, 从而可以节省网 络传输资源。 可选的, UE可以在接收到分流策略后, 向网络策略返回确认消息。 步骤 303 : UE通过下行测量获得信号覆盖信息。 本实施例中, UE可以按照现有方式对下行数据进行测量, 以获得信号覆盖信息。 其中,对于 LTE网络, UE可以通过下行测量获得参考信号接收功率(Reference Signal Receiving Power, RSRP ) 参考信号接收质量 ( Reference Signal Received Qual ity, RSRQ ) ; 对于 UMTS 网络, UE 可以通过下行测量获得公共导频信道 (Common Pi lot Channe l , CPICH)接收信号码功率(Received Signal Code Power, RSCP )、承载(Carrier ) 接收信号强度指示 (Rece ived Signal Strength Indi cation, RSSI ) ; 对于 GSM网络, UE可以通过下行测量获得 Carrier RSSI ; 对于 WLAN, UE可以通过下行测量 获得接 收信道功率参数 ( Received Channe l Power Indicator, RCPI )、接收信噪比(Received Signal to Noi se Indicator , RSNI ) 等。 上述下行测量获得的信号覆盖信息可以是 UE对一段时间内下行测量得到的信号 覆盖信息的平均值。 对于不同网络的下行测量, UE可以同时执行, 也可以按照先后顺 序执行, 对此本发明实施例不进行限制。 需要说明的是, 上述步骤 301和步骤 302也可以在步骤 303之后执行, 即本发明 实施例不对获取分流策略和获得信号覆盖信息的执行顺序进行限制。 步骤 304: UE获取当前待传输业务的业务类型。 本实施例不对业务类型的划分进行限制,可以根据分流策略的设置灵活调整业务 类型, 例如, 可以将业务类型简单划分为语音类业务, 视频类业务; 或者, 也可以将 业务类型细分为即时通信类业务、 网络电话类业务、流媒体类业务、 网页浏览类业务、 云应用类业务、 文件传输类业务等。 步骤 305 : UE从分流策略中获取与业务类型对应的策略信息。 本实施例与图 2所示实施例的不同在于,图 2所示实施例中的网络状态信息为网 络负荷信息, 本实施例中的网络状态信息为信号覆盖信息。 对于具体分流策略的设置 可以参考图 2所示实施例中的描述, 在此不再赘述。 步骤 306 : UE从策略信息中获得与信号覆盖信息匹配的网络状态域值所对应的网 络, 将该网络作为目标网络。 步骤 307 : UE将业务分流到该目标网络。 由上述实施例可见, 该实施例不是仅根据业务属性进行分流, 而是可以基于不同 接入网络的信号覆盖信息对业务进行分流, 从而可以提高分流效果, 提升业务质量, 在保证用户体验的同时增强了融合网络的整体性能。 参见图 4, 为本发明控制分流的方法的另一个实施例流程图, 该实施例描述了基 于网络传输速率控制业务分流到目标网络的过程: 步骤 401 : UE获取该 UE上预先配置的分流策略。 步骤 402 : UE根据网络设备下发的网络负荷信息和下行测量获得的信号覆盖信息 计算网络传输速率。 本实施例中, UE获取网络设备下发的网络负荷信息的过程可以参见图 2所示实 施例中步骤 203和步骤 204的描述, UE通过下行测量获得信号覆盖信息的过程可以参 见图 3所示实施例中步骤 303的描述, 在此不再赘述。
UE 根据网络负荷信息和信号覆盖信息计算网络传输速率时, 可以查表获得网络 传输速率, 如下表 6所示, 或者通过公式计算网络传输速率, 对此本发明实施例不做 限制。 表 6
Figure imgf000021_0001
需要说明的是, 上述步骤 401也可以在步骤 402之后执行, 即本发明实施例不对 获取分流策略和获得网络传输速率的执行顺序进行限制。 步骤 403 : UE获取当前待传输业务的业务类型。 本实施例不对业务类型的划分进行限制,可以根据分流策略的设置灵活调整业务 类型, 例如, 可以将业务类型简单划分为语音类业务, 视频类业务; 或者, 也可以将 业务类型细分为即时通信类业务、 网络电话类业务、流媒体类业务、 网页浏览类业务、 云应用类业务、 文件传输类业务等。 步骤 404 : UE从分流策略中获取与业务类型对应的策略信息。 本实施例与图 2所示的实施例的不同在于,图 2所示实施例中的网络状态信息为 网络负荷信息, 本实施例中的网络状态信息为网络传输速率。 对于具体分流策略的设 置可以参考图 2所示实施例中的描述, 例如, 将图 2所示实施例中的分流策略中网络 状态域值调整为网络传输速率的门限值, 在此不再赘述。 步骤 405 : UE从策略信息中获得与网络传输速率匹配的网络状态域值所对应的网 络, 将该网络作为目标网络。 步骤 406 : UE将业务分流到该目标网络。 由上述实施例可见, 该实施例不是仅根据业务属性进行分流, 而是可以基于不同 接入网络的网络传输速率对业务进行分流, 从而可以提高分流效果, 提升业务质量, 在保证用户体验的同时增强了融合网络的整体性能。 与本发明控制分流的方法的实施例相对应, 本发明还提供了 UE、 网络设备及服 务器的实施例。 参见图 5, 为本发明 UE的实施例框图: 该 UE包括: 接收器 510和处理器 520。 其中, 所述接收器 510, 用于获取不同类型网络的网络状态信息, 以及获取分流 策略, 其中, 所述分流策略包括业务类型、 网络状态域值和不同类型网络之间的对应 关系; 所述处理器 520, 用于根据所述网络状态信息和所述对应关系为业务选择目标网 络, 并将所述业务分流到所述目标网络。 可选的, 所述接收器 510 可以具体用于按照至少一种下述方式获取网络状态信 息: 所述接收器获取网络设备下发的网络负荷信息; 所述接收器通过下行测量获得信号覆盖信息; 所述接收器根据网络设备下发的网络负荷信息和 /或下行测量获得的信号覆盖 息获得网络传输速率。 进一步, 该 UE还可以包括发射器 530 : 所述发射器 530, 用于向网络设备上报关联网络消息, 所述关联网络消息指示所 述 UE当前关联的网络; 所述接收器 510, 可以具体用于接收所述网络设备根据所述关联网络消息下发的 所述 UE当前关联的所有或部分网络的网络负荷信息。 可选的, 所述接收器 510, 可以具体用于获取 UE上预先配置的分流策略, 或者 获取网络设备发送的分流策略。 可选的, 所述接收器 510, 可以具体用于向网络设备发送注册消息, 并接收所述 网络设备根据所述注册消息返回的分流策略。 可选的, 所述接收器 510, 具体用于接收所述网络设备在所述注册消息中包含所 述 UE支持并发传输的能力信息时, 返回的分流策略, 所述 UE支持并发传输的能力为 所述 UE支持同时接入到不同类型的网络; 和 /或, 接收所述网络设备在所述注册消息 中包含的所述 UE 所保存的分流策略的版本与所述网络设备的分流策略的版本不一致 时, 返回的分流策略。 可选的, 所述接收器 510获取的分流策略中还可以包括业务分类信息, 所述业务 分类信息中包含不同应用的业务对应的业务类型; 所述处理器 520, 还可以用于从所述业务分类信息中获取所述业务的业务类型。 所述接收器获取的分流策略中还包括业务类型对应的优选网络; 可选的, 所述处理器 520, 可以具体用于将所述不同类型网络的网络状态信息与 所述业务的业务类型对应的网络的网络状态域值进行匹配, 当所述网络状态信息在所 述优选网络对应的网络状态域值范围内时, 或当所述每个网络的网络状态信息与所述 业务的业务类型对应的网络的网络状态域值均不匹配时, 设置所述优选网络为目标网 络。 参见图 6, 为本发明网络设备的实施例框图; 该网络设备包括: 接收器 610和发射器 620。 其中, 接收器 610, 用于获取不同类型网络的网络状态信息; 发射器 620, 用于向 UE下发所述网络状态信息, 以使所述 UE根据所述网络状态 信息和所述 UE 获取的分流策略中包括的业务类型、 网络状态域值和不同类型网络之 间的对应关系, 为业务选择目标网络后, 将所述业务分流到所述目标网络。 可选的, 所述发射器 620, 可以具体用于向 UE下发网络负荷信息, 和 /或所述网 络设备向 UE下发测量导频, 以使所述 UE通过对所述测量导频进行下行测量获取信号 覆盖信息。 可选的, 所述发射器 620, 可以具体用于根据 UE上报的关联网络消息, 向所述
UE下发所述 UE当前关联的所有或部分网络的网络负荷信息, 所述关联网络消息指示 所述 UE当前关联的网络, 或者周期向 UE下发网络负荷信息, 或者检测到网络负荷发 生变化时, 向 UE下发网络负荷信息。 可选的, 所述发射器 620, 还可以用于向 UE下发所述分流策略, 其中, 所述分 流策略为配置在所述网络设备上的分流策略, 或者所述分流策略为服务器发送给所述 网络设备的分流策略。 可选的, 所述接收器 610, 还可以用于接收所述 UE发送的注册消息; 所述发射 器 620, 可以具体用于当所述注册消息中包含所述 UE支持并发传输的能力信息时, 向 所述 UE下发所述分流策略, 所述 UE支持并发传输的能力为所述 UE支持同时接入到 不同类型的网络; 和 /或, 当所述注册消息中包含的所述 UE所保存的分流策略的版本 与所述网络设备的分流策略的版本不一致时, 向所述 UE下发所述分流策略。 参见图 7, 为本发明服务器的实施例框图: 该服务器包括: 存储器 710和发射器 720。 其中, 存储器 710, 用于存储分流策略, 其中, 所述分流策略包括业务类型、 网 络状态域值和不同类型网络之间的对应关系; 发射器 720, 用于向 UE下发所述分流策略, 以使所述 UE根据所述分流策略中包 括的所述对应关系和所述 UE 获取的不同类型网络的网络状态信息, 为业务选择目标 网络后, 将所述业务分流到所述目标网络。 可选的, 所述发射器 720, 可以具体用于当接收到 UE发送的注册消息中包含所 述 UE支持并发传输的能力信息时, 向所述 UE下发所述分流策略, 所述 UE支持并发 传输的能力为所述 UE支持同时接入到不同类型的网络; 和 /或, 当接收到 UE发送的 注册消息中包含的所述 UE 所保存的分流策略的版本与所述网络设备的分流策略的版 本不一致时, 向所述 UE下发所述分流策略。 由上述实施例可见, UE获取不同类型网络的网络状态信息, 以及获取分流策略, 该分流策略包括业务类型、 网络状态域值和不同类型网络之间的对应关系, UE根据获 取的网络状态信息和该对应关系为业务选择目标网络, 并将业务分流到该目标网络。 由于本发明实施例不是仅根据业务属性进行分流, 而是可以基于不同接入网络的网络 状态对业务进行分流, 从而可以提高分流效果, 提升业务质量, 在保证用户体验的同 时增强了融合网络的整体性能。 本领域的技术人员可以清楚地了解到本发明实施例中的技术可借助软件加必需 的通用硬件平台的方式来实现。 基于这样的理解, 本发明实施例中的技术方案本质上 或者说对现有技术做出贡献的部分可以以软件产品的形式体现出来, 该计算机软件产 品可以存储在存储介质中, 如 R0M/RAM、 磁碟、 光盘等, 包括若干指令用以使得一台 计算机设备 (可以是个人计算机, 服务器, 或者网络设备等) 执行本发明各个实施例 或者实施例的某些部分所述的方法。 本说明书中的各个实施例均采用递进的方式描述,各个实施例之间相同相似的部 分互相参见即可, 每个实施例重点说明的都是与其他实施例的不同之处。 尤其, 对于 系统实施例而言, 由于其基本相似于方法实施例, 所以描述的比较简单, 相关之处参 见方法实施例的部分说明即可。 以上所述的本发明实施方式, 并不构成对本发明保护范围的限定。 任何在本发明 的精神和原则之内所作的修改、 等同替换和改进等, 均应包含在本发明的保护范围之 内。

Claims

权 利 要求 书
1、 一种控制分流的方法, 其特征在于, 所述方法包括:
用户设备 UE获取不同类型网络的网络状态信息, 以及获取分流策略, 其中, 所述分 流策略包括业务类型、 网络状态域值和不同类型网络之间的对应关系;
所述 UE根据所述网络状态信息和所述对应关系为业务选择目标网络;
所述 UE将所述业务分流到所述目标网络。
2、 根据权利要求 1所述的方法, 其特征在于, 所述 UE按照至少一种下述方式获取不 同网络的网络状态信息:
UE获取网络设备下发的网络负荷信息;
UE通过下行测量获得信号覆盖信息;
UE根据网络设备下发的网络负荷信息和 /或下行测量获得的信号覆盖信息获得网络传 输速率。
3、 根据权利要求 2所述的方法, 其特征在于, 所述 UE获取网络设备下发的网络负荷 信息之前, 包括: 所述 UE向网络设备上报关联网络消息, 所述关联网络消息指示所述 UE 当前关联的网络;
所述 UE获取网络设备下发的网络负荷信息具体为:所述 UE接收所述网络设备根据所 述关联网络消息下发的所述 UE当前关联的所有或部分网络的网络负荷信息。
4、 根据权利要求 1所述的方法, 其特征在于, 所述获取分流策略包括:
获取 UE上预先配置的分流策略; 或者,
获取网络设备发送的分流策略。
5、 根据权利要求 4所述的方法, 其特征在于, 所述获取网络设备发送的分流策略包 括:
向网络设备发送注册消息;
接收所述网络设备根据所述注册消息返回的分流策略。
6、 根据权利要求 5所述的方法, 其特征在于, 所述接收所述网络设备根据所述注册 消息返回的分流策略包括:
接收所述网络设备在所述注册消息中包含所述 UE支持并发传输的能力信息时, 返回 的分流策略, 所述 UE支持并发传输的能力为所述 UE支持同时接入到不同类型的网络; 和 /或,
接收所述网络设备在所述注册消息中包含的所述 UE所保存的分流策略的版本与所述 网络设备的分流策略的版本不一致时, 返回的分流策略。
7、 根据权利要求 1至 6任意一项所述的方法,其特征在于,所述不同类型网络包括: 蜂窝网络和无线局域网 WLAN。
8、 根据权利要求 1至 7任意一项所述的方法, 其特征在于, 所述分流策略还包括: 业务分类信息, 所述业务分类信息中包含不同应用的业务对应的业务类型;
所述 UE根据所述不同网络的网络状态信息和所述对应关系为业务选择目标网络之前, 还包括: 所述 UE从所述业务分类信息中获取所述业务的业务类型。
9、 根据权利要求 8所述的方法, 其特征在于, 所述分流策略还包括: 业务类型对应 的优选网络, 所述 UE根据所述网络状态信息和所述对应关系为业务选择目标网络包括:
UE 将所述不同类型网络的网络状态信息与所述业务的业务类型对应的网络的网络状 态域值进行匹配;
当所述网络状态信息在所述优选网络对应的网络状态域值范围内时,或当所述每个网 络的网络状态信息与所述业务的业务类型对应的网络的网络状态域值均不匹配时,设置所 述优选网络为目标网络。
10、 一种控制分流的方法, 其特征在于, 所述方法包括:
网络设备获取不同类型网络的网络状态信息;
网络设备向 UE下发所述网络状态信息,以使所述 UE根据所述网络状态信息和所述 UE 获取的分流策略中包括的业务类型、 网络状态域值和不同类型网络之间的对应关系, 为业 务选择目标网络后, 将所述业务分流到所述目标网络。
11、 根据权利要求 10所述的方法, 其特征在于, 所述网络设备向 UE下发网络状态信 息包括:
所述网络设备向 UE下发网络负荷信息; 和 /或,
所述网络设备向 UE下发测量导频, 以使所述 UE通过对所述测量导频进行下行测量获 取信号覆盖信息。
12、 根据权利要求 11所述的方法, 其特征在于, 所述网络设备向 UE下发网络负荷信 息包括:
所述网络设备接收 UE上报的关联网络消息,所述关联网络消息指示所述 UE当前关联 的网络, 所述网络设备根据所述关联网络消息, 向所述 UE下发所述 UE当前关联的所有或 部分网络的网络负荷信息; 或者,
所述网络设备周期向 UE下发网络负荷信息; 或者,
所述网络设备检测到网络负荷发生变化时, 向 UE下发网络负荷信息。
13、 根据权利要求 10至 12任意一项所述的方法, 其特征在于, 所述方法还包括: 所 述网络设备向 UE下发所述分流策略; 其中,
所述分流策略为配置在所述网络设备上的分流策略; 或者,
所述分流策略为服务器发送给所述网络设备的分流策略。
14、 根据权利要求 13所述的方法, 其特征在于, 所述网络设备向 UE下发所述分流策 略之前, 所述方法还包括: 接收所述 UE发送的注册消息;
所述网络设备向 UE下发所述分流策略包括:
当所述注册消息中包含所述 UE支持并发传输的能力信息时, 所述网络设备向所述 UE 下发所述分流策略,所述 UE支持并发传输的能力为所述 UE支持同时接入到不同类型的网 络; 和 /或,
当所述注册消息中包含的所述 UE所保存的分流策略的版本与所述网络设备的分流策 略的版本不一致时, 所述网络设备向所述 UE下发所述分流策略。
15、 一种 UE, 其特征在于, 所述 UE包括: 接收器和处理器, 其中,
所述接收器, 用于获取不同类型网络的网络状态信息, 以及获取分流策略, 其中, 所 述分流策略包括业务类型、 网络状态域值和不同类型网络之间的对应关系;
所述处理器, 用于根据所述网络状态信息和所述对应关系为业务选择目标网络, 并将 所述业务分流到所述目标网络。
16、 根据权利要求 15所述的 UE, 其特征在于, 所述接收器具体用于按照至少一种下 述方式获取网络状态信息:
所述接收器获取网络设备下发的网络负荷信息;
所述接收器通过下行测量获得信号覆盖信息;
所述接收器根据网络设备下发的网络负荷信息和 /或下行测量获得的信号覆盖信息获 得网络传输速率。
17、 根据权利要求 16所述的 UE, 其特征在于, 所述 UE还包括:
发射器, 用于向网络设备上报关联网络消息, 所述关联网络消息指示所述 UE当前关 联的网络;
所述接收器, 具体用于接收所述网络设备根据所述关联网络消息下发的所述 UE当前 关联的所有或部分网络的网络负荷信息。
18、 根据权利要求 15所述的 UE, 其特征在于,
所述接收器, 具体用于获取 UE上预先配置的分流策略, 或者获取网络设备发送的分 流策略。
19、 根据权利要求 18所述的 UE, 其特征在于,
所述接收器, 具体用于向网络设备发送注册消息, 并接收所述网络设备根据所述注册 消息返回的分流策略。
20、 根据权利要求 19所述的 UE, 其特征在于,
所述接收器, 具体用于接收所述网络设备在所述注册消息中包含所述 UE支持并发传 输的能力信息时, 返回的分流策略, 所述 UE支持并发传输的能力为所述 UE支持同时接入 到不同类型的网络; 和 /或, 接收所述网络设备在所述注册消息中包含的所述 UE所保存的 分流策略的版本与所述网络设备的分流策略的版本不一致时, 返回的分流策略。
21、根据权利要求 15至 20任意一项所述的 UE, 其特征在于, 所述接收器获取的分流 策略中还包括业务分类信息, 所述业务分类信息中包含不同应用的业务对应的业务类型; 所述处理器, 还用于从所述业务分类信息中获取所述业务的业务类型。
22、 根据权利要求 21所述的 UE, 其特征在于, 所述接收器获取的分流策略中还包括 业务类型对应的优选网络;
所述处理器,具体用于将所述不同类型网络的网络状态信息与所述业务的业务类型对 应的网络的网络状态域值进行匹配, 当所述网络状态信息在所述优选网络对应的网络状态 域值范围内时,或当所述每个网络的网络状态信息与所述业务的业务类型对应的网络的网 络状态域值均不匹配时, 设置所述优选网络为目标网络。
23、 一种网络设备, 其特征在于, 所述网络设备包括: 接收器, 用于获取不同类型网络的网络状态信息;
发射器, 用于向 UE下发所述网络状态信息, 以使所述 UE根据所述网络状态信息和所 述 UE获取的分流策略中包括的业务类型、网络状态域值和不同类型网络之间的对应关系, 为业务选择目标网络后, 将所述业务分流到所述目标网络。
24、 根据权利要求 23所述的网络设备, 其特征在于,
所述发射器, 具体用于向 UE下发网络负荷信息, 和 /或所述网络设备向 UE下发测量 导频, 以使所述 UE通过对所述测量导频进行下行测量获取信号覆盖信息。
25、 根据权利要求 24所述的网络设备, 其特征在于,
所述发射器, 具体用于根据 UE上报的关联网络消息, 向所述 UE下发所述 UE当前关 联的所有或部分网络的网络负荷信息, 所述关联网络消息指示所述 UE当前关联的网络, 或者周期向 UE下发网络负荷信息, 或者检测到网络负荷发生变化时, 向 UE下发网络负荷 信息。
26、 根据权利要求 23至 25任意一项所述的网络设备, 其特征在于,
所述发射器, 还用于向 UE下发所述分流策略, 其中, 所述分流策略为配置在所述网 络设备上的分流策略, 或者所述分流策略为服务器发送给所述网络设备的分流策略。
27、 根据权利要求 26所述的网络设备, 其特征在于, 所述接收器, 还用于接收所述 UE发送的注册消息;
所述发射器, 具体用于当所述注册消息中包含所述 UE支持并发传输的能力信息时, 向所述 UE下发所述分流策略, 所述 UE支持并发传输的能力为所述 UE支持同时接入到不 同类型的网络; 和 /或, 当所述注册消息中包含的所述 UE所保存的分流策略的版本与所述 网络设备的分流策略的版本不一致时, 向所述 UE下发所述分流策略。
28、 一种服务器, 其特征在于, 所述服务器包括:
存储器, 用于存储分流策略, 其中, 所述分流策略包括业务类型、 网络状态域值和不 同类型网络之间的对应关系;
发射器, 用于向 UE下发所述分流策略, 以使所述 UE根据所述分流策略中包括的所述 对应关系和所述 UE获取的不同类型网络的网络状态信息, 为业务选择目标网络后, 将所 述业务分流到所述目标网络。
29、 根据权利要求 28所述的服务器, 其特征在于, 所述发射器,具体用于当接收到 UE发送的注册消息中包含所述 UE支持并发传输的能 力信息时, 向所述 UE下发所述分流策略, 所述 UE支持并发传输的能力为所述 UE支持同 时接入到不同类型的网络; 和 /或, 当接收到 UE发送的注册消息中包含的所述 UE所保存 的分流策略的版本与所述网络设备的分流策略的版本不一致时, 向所述 UE下发所述分流 策略。
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Publication number Priority date Publication date Assignee Title
CN105050116A (zh) * 2015-07-13 2015-11-11 北京佰才邦技术有限公司 移动通信系统中的业务处理方法及接入网设备
CN110649952A (zh) * 2019-09-10 2020-01-03 RealMe重庆移动通信有限公司 天线切换方法、装置、存储介质及电子设备
CN110649952B (zh) * 2019-09-10 2022-11-08 RealMe重庆移动通信有限公司 天线切换方法、装置、存储介质及电子设备

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