WO2014161487A1 - Procédé et dispositif d'envoi d'une politique de sélection de réseau et de sélection de réseau - Google Patents

Procédé et dispositif d'envoi d'une politique de sélection de réseau et de sélection de réseau Download PDF

Info

Publication number
WO2014161487A1
WO2014161487A1 PCT/CN2014/074623 CN2014074623W WO2014161487A1 WO 2014161487 A1 WO2014161487 A1 WO 2014161487A1 CN 2014074623 W CN2014074623 W CN 2014074623W WO 2014161487 A1 WO2014161487 A1 WO 2014161487A1
Authority
WO
WIPO (PCT)
Prior art keywords
bearer network
selection policy
terminal
bearer
network selection
Prior art date
Application number
PCT/CN2014/074623
Other languages
English (en)
Chinese (zh)
Inventor
刘佳敏
梁靖
Original Assignee
电信科学技术研究院
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 电信科学技术研究院 filed Critical 电信科学技术研究院
Publication of WO2014161487A1 publication Critical patent/WO2014161487A1/fr

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/18—Selecting a network or a communication service
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery

Definitions

  • the present invention relates to the field of wireless communications, and in particular, to a network selection policy delivery and network selection method and device.
  • Evolved Packet System is a multi-access technology and multiple access technologies Inter mobility system.
  • the terminal may be in multiple 3rd Generation Partnership Projects (3rd Generation) Under the common coverage of the Partnership Project, 3GPP) and/or non-3GPP access networks.
  • 3rd Generation 3rd Generation Partnership Projects
  • 3GPP 3rd Generation Partnership Project
  • non-3GPP access networks 3rd Generation Partnership Projects
  • UMTS Universal Mobile Universal Mobile Telecommunication System
  • LTE Long Term Evolution
  • WLAN network coexistence scenarios are shown in Figure 1, in UMTS/LTE base stations (UMTS There are multiple WLAN access points (APs) within the coverage of the Node B, eNB in LTE. The coverage of the access point is relatively small compared to the base station.
  • a network architecture of UMTS/LTE and WLAN interoperability that is currently supported is shown in Figure 2. As shown; the architecture is based on the S2c interface between the Packet Data Gateway (PDN Gateway) and the UE for interoperability of. In the prior art, a UE based scheme is adopted to implement UMTS/LTE and WLAN. Interoperability between.
  • PDN Gateway Packet Data Gateway
  • the UMTS/LTE network uses WLAN for offloading.
  • Seamless offloading refers to the connection between the WLAN and the 3GPP core network (Core Network, CN), which is shunted in the air interface. After that, the service still accesses the core network of 3GPP (including UMTS/LTE). And slotted shunting refers to WLAN and There is no connection between the 3GPP CNs. After the air interface is offloaded, the services directly access the Internet without going through the 3GPP CN.
  • Core Network Core Network
  • the WLAN offloading may be a partial bearer transfer of the UE, or may be a transfer of all UE bearers. if Partial bearer transfer, then the UE will have a connection with both UMTS/LTE and WLAN. If it is all After the transfer, the UE is only connected to the WLAN after the transfer.
  • ANDSF Access Network Discovery and Selection Function
  • FIG. 4 The architecture of the communication between the entity and the UE is as shown in FIG. 4, where the UE and the ANDSF entity interact through the S14 interface, The interface is an Internet Protocol (IP) based interface. Communication between the UE and the ANDSF entity There are two modes of request (Pull) and push (Push). The former is that the UE actively sends a request to the ANDSF entity. The ANDSF entity actively pushes information.
  • the ANDSF strategy is relatively static.
  • the ANDSF entity provides network discovery and selection related information to the terminal based on the operator policy, including the following three categories:
  • ISMP inter-system mobility policy
  • ISMP is a set of operator-defined rules and preferences that define whether cross-system mobility is allowed, The most suitable access technology type and different access technologies for accessing the Evolved packet core (EPC) Different priorities and other information.
  • ISMP can be provisioned in the terminal, or sent when the terminal requests it, or by ANDSF Pushed to the terminal under some trigger.
  • the ANDSF can deliver a WLAN with a higher priority than the LTE policy.
  • the WLAN system access is preferentially selected.
  • the ANDSF may provide the terminal with a list of access networks available in its vicinity that conform to the requested access type. And related parameters, such as access technology (such as WLAN, Worldwide Interoperability for Microwave Access, WiMAX, etc.), radio access network identification, carrier frequency, etc.
  • access technology such as WLAN, Worldwide Interoperability for Microwave Access, WiMAX, etc.
  • radio access network identification such as WiMAX, etc.
  • ISRP Inter-System Routing Policy
  • ISRP contains some information needed for cross-system routing.
  • IP Flow Mobility (IFOM) or Multi Access PDN Connectivity (Multi Access PDN Connectivity, MAPCON) terminal this information can be used to: a) decide which one is available when certain routing conditions are met Access network to send data; b) for specific IP data streams and / or specific access point names (Access Point Name, APN) determines when an access network is disabled.
  • APN Access Point Name
  • the existing agreement stipulates that the ANDSF entity selects the ISMP provided to the terminal according to the operator's requirements and the roaming agreement.
  • ANDI and ISRP, ANDSF can provide the above three strategies at the same time, or only some of them can be provided.
  • the ANDSF can interact with some databases in the carrier network, such as a home subscriber server (Home Subscriber) Server, HSS) to get the information you need.
  • HSS home subscriber server
  • the terminal When the terminal receives the available access information that is higher than the existing access network, if the user allows, the terminal ends. The end should perform the high priority discovery and reselection process. When the terminal automatically selects to access the network, it cannot pass Access networks marked as prohibited in ISMP are connected to the EPC.
  • the access network selection policy sent by the core network can be distinguished based on different data flows.
  • the core network strategy can only consider the relatively static information such as the operator's tendency and tariffs, user subscription information, etc. The effect of the UE selecting an optimal network for the data stream.
  • the embodiment of the invention provides a network selection policy delivery and network selection method and device, which are used to improve the number of terminals. The possibility of selecting the optimal network according to the flow.
  • a method for delivering a network selection policy comprising:
  • the access network node determines a bearer network selection policy of the data flow based on the quality of service QoS;
  • the access network node sends the determined bearer network selection policy of the data stream to the terminal, so that the terminal according to the data flow
  • the bearer network selection policy selects a bearer network or a bearer network that switches data flows for the data flow of the terminal.
  • a network selection method comprising:
  • the terminal selects a bearer for the data stream according to the QoS of the data stream and the received bearer network selection policy.
  • An access network device includes:
  • a determining unit configured to determine a bearer network selection policy of the data flow based on the quality of service QoS
  • a sending unit configured to send a bearer network selection policy of the determined data stream to the terminal, so that the terminal according to the data
  • the bearer network selection policy of the flow selects a bearer network or a bearer network that switches the data flow for the data flow of the terminal.
  • a terminal comprising:
  • a receiving unit configured to receive a bearer network selection policy of a service quality QoS-based data stream delivered by an access network node slightly;
  • the data stream selects a bearer network that carries the network or switches the data stream.
  • the access network node determines the bearer network selection policy of the data flow based on the QoS,
  • the bearer network selection policy of the determined data flow is sent to the terminal, and the terminal selects a policy according to the bearer network of the data flow.
  • the data stream of the terminal selects a bearer network that carries the network or switches the data stream, and the access that is sent by the core network in the prior art.
  • the network selection strategy only considers the operator's tendency to compare the static information with the tariff, the user subscription information, etc., in the present invention.
  • the access network formulates a bearer network selection strategy for the data flow based on the dynamic factor of QoS, so that the terminal can according to the data flow
  • the QoS and the received bearer network selection strategy select the bearer network that carries the network or switches the data stream, thereby improving the The possibility that the terminal selects the optimal network for the data stream.
  • FIG. 1 is a schematic diagram of a coexistence scenario of a UMTS/LTE and a WLAN network in the prior art
  • FIG. 2 is a schematic diagram of a network architecture of UMTS/LTE and WLAN interoperation in the prior art
  • FIG. 3a is a schematic diagram of seamless splitting of a UMTS/LTE network using a WLAN in the prior art
  • FIG. 3b is a schematic diagram of a slotted splitting of a UMTS/LTE network using a WLAN in the prior art
  • FIG. 4 is a schematic structural diagram of communication between an ANDSF and a UE in the prior art
  • FIG. 5 is a schematic flowchart of a method according to an embodiment of the present disclosure.
  • FIG. 6 is a schematic flowchart of another method according to an embodiment of the present disclosure.
  • FIG. 7 is a schematic structural diagram of an access network device according to an embodiment of the present disclosure.
  • FIG. 7 is a schematic structural diagram of another access network device according to an embodiment of the present disclosure.
  • FIG. 8 is a schematic structural diagram of a terminal according to an embodiment of the present disclosure.
  • FIG. 8b is a schematic structural diagram of another terminal according to an embodiment of the present invention.
  • the embodiment of the present invention provides a network selection strategy. Delivery and network selection methods.
  • a method for delivering a network selection policy provided by an access network side includes the following steps:
  • Step 50 The access network node determines a bearer network selection policy of the data flow based on the quality of service (QoS); the access network
  • the node may specifically be a base station or a radio network controller (RNC) or the like.
  • Step 51 The access network node sends the determined bearer network selection policy of the data stream to the terminal, so that the terminal according to the terminal.
  • the bearer network selection policy of the data stream selects a bearer network or a bearer network that switches the data stream for the data stream of the terminal.
  • the access network node determines a bearer network selection policy of the data flow based on the QoS, and implements the specific The following two methods are available:
  • the access network node classifies the data flows according to the QoS, and determines a bearer network selection policy for each type of data flow;
  • the foregoing access network node classifies the data flow according to the QoS, and the specific implementation may be: the access network node according to the QoS, etc.
  • Level Identification QCI
  • QCI Level Identification
  • the selection policy is sent to the terminal, and the specific implementation is as follows: the access network node sends the bearer network selection policy based on the QCI indication.
  • the specific form of the bearer network selection policy based on the QCI indication is: QCI and the corresponding QCI
  • the bearer network selection policy (the bearer network selection policy corresponding to the QCI refers to the bearer network determined for the data flow corresponding to the QCI)
  • the bearer network selection policy is to select an LTE network, and the other QCI data streams are classified into another type, and the other type of data stream is
  • the determined bearer network selection policy is a bearer network for selecting a WLAN network and a data stream delivered by the access network node to the terminal.
  • the network selection strategy includes: QCI1, QCI2, and QCI3 and their corresponding bearer network selection strategies: selecting an LTE network, And the remaining QCI and its corresponding bearer network selection strategy: selecting the WLAN network; and, for example, based on the QCI indication
  • the specific form of the bearer network selection policy is: a QCI threshold, indicating the QCI above the QCI threshold.
  • the corresponding data stream is preferably a 3GPP network, and the data stream corresponding to the QCI below the QCI threshold is preferably a WLAN network.
  • the specific form of the bearer network selection policy based on the QCI indication is: a QCI list (list), the QCI list
  • the QCI of the data stream of the preferred 3GPP network is included to represent the data stream corresponding to the QCI in the QCI list.
  • the data stream corresponding to the QCI in the QCI list is preferably a WLAN network; or the QCI list may be
  • the QCI of the data stream of the preferred WLAN network is included to represent the data stream corresponding to the QCI in the QCI list
  • a data stream corresponding to a QCI that is not in the QCI list is preferably a 3GPP network.
  • the foregoing access network node classifies the data flow according to the QoS, and the specific implementation may be: the access network node according to the service characteristic (including service attributes) is a data flow classification; correspondingly, step 51 access network nodes that the network node will determine the data flow
  • the network selection policy is sent to the terminal, and the specific implementation is: the access network node selects the bearer network selection policy based on the service characteristic indication
  • the specific form of the bearer network selection policy based on the service characteristic indication is: service characteristics.
  • a bearer network selection policy corresponding to the service feature for example, dividing the data flow of the voice service into one class, for the class
  • the bearer network selection policy determined by the data flow is to select an LTE network, and divide the data flow of the background class and the flow class service into another Class, the bearer network selection policy determined for the other type of data flow is to select a WLAN network, and the access network node to the terminal
  • the bearer network selection policy of the delivered data stream includes: a voice type service and a corresponding bearer network selection policy: selection LTE network, as well as background and streaming services and their corresponding bearer network selection strategies: selecting a WLAN network;
  • the specific form of the bearer network selection policy indicated by the service characteristic is: a list of service characteristics (list), the industry
  • the service feature list contains the service characteristics of the data stream of the preferred 3GPP network to indicate that the service has a list of the service characteristics.
  • the data stream of the service characteristic is preferably a 3GPP network, and the data stream that does not have the service characteristics in the service feature list is preferably a WLAN. a network; or the service feature list includes a service characteristic of a data stream of a preferred WLAN network, to indicate that The data flow having the service characteristics in the service feature list is preferably a WLAN network, and does not have the industry in the service feature list.
  • the data stream of the traffic characteristics is preferably a 3GPP network.
  • the access network node is a dedicated radio bearer (DRB) of the terminal, and determines a bearer network selection policy. specific:
  • the access network node determines the bearer network selection of the DRB when it is determined that the DRB needs to be handed over to the WLAN network.
  • the policy, the bearer network selection policy includes indication information that the DRB needs to be transferred to the WLAN network.
  • step 51 when the access network node sends the determined bearer network selection policy of the data stream to the terminal,
  • the bearer network selection policy of the determined data stream is sent to the terminal by using a broadcast message or dedicated signaling.
  • the access network node sends the determined bearer network selection policy of the determined data stream to the terminal through the broadcast message.
  • the access network node re-determines the bearer network selection policy of the data flow, and the re-determined bearer network of the data flow
  • the network selection policy is sent to the terminal, and the bearer network selection policy of the terminal data stream is notified to be updated.
  • the policy is updated, and the way to update the system information includes adding special instructions or individually designed in the paging message. Update notification methods, etc.
  • the access network node sends the determined bearer network selection policy of the determined data stream to the end through dedicated signaling End, before the access network node determines the bearer network selection policy of the data flow based on the QoS, the access network node receives the terminal Reported WLAN capability information, WLAN module enable information, WLAN interest information, policy request At least one of the signaling. That is, the access network node sends the number to the terminal after receiving the above information reported by the terminal. According to the flow of the bearer network selection strategy.
  • the access network node can also determine which terminals to send data streams according to the network situation and/or the location of the terminal. Hosting network selection strategy.
  • the network selection method provided by the network side of the embodiment of the present invention includes the following steps:
  • Step 60 The terminal receives a bearer network selection policy of the QoS-based data stream delivered by the access network node.
  • Step 61 The terminal selects a policy according to the QoS of the data stream and the received bearer network selection policy.
  • the stream selects a bearer network that carries the network or switches the data stream.
  • the bearer network selection policy received by the terminal in step 60 may be: the access network node according to the QoS After the data stream is classified, the bearer network selection policy determined for each type of data stream is separately determined;
  • the terminal selects a policy according to the QoS of the data stream and the received bearer network.
  • Selecting a bearer network for the data stream or a bearer network for switching the data stream may be implemented as follows:
  • the terminal reads the bearer network corresponding to the data flow of the newly initiated service from the received bearer network selection policy. Selecting a policy to select a bearer network for the data stream according to the read bearer network selection policy; and/or,
  • the terminal reads the bearer network corresponding to the data flow of the established service from the received bearer network selection policy.
  • the selection policy is used to switch the bearer network of the data flow according to the read bearer network selection policy.
  • the above-mentioned access network node classifies the data stream according to QoS, and determines the bearer network selection policy for each type of data stream. Slightly include: a bearer network selection policy based on the QCI indication; or a bearer network selection policy based on the service characteristic indication slightly.
  • the bearer network selection determined for each type of data stream after the access network node classifies the data stream according to QoS
  • the terminal selects the received bearer network selection policy.
  • the bearer network selection policy corresponding to the QCI corresponding to the data flow of the newly initiated service is read, according to the read bearer network
  • the network selection policy selects a bearer network for the data stream; and/or, the terminal reads from the received bearer network selection policy
  • the bearer network selection policy corresponding to the QCI corresponding to the data flow of the established service according to the read bearer network selection The policy switches the bearer network of the data stream.
  • the terminal selects a policy from the received bearer network.
  • the bearer network selection policy corresponding to the service characteristic corresponding to the service to which the data flow of the newly initiated service belongs is read, Selecting a bearer network for the data stream according to the read bearer network selection policy; and/or, the terminal receiving the received bearer network Selecting the bearer network corresponding to the service characteristics corresponding to the service to which the data flow of the established service is read in the selection policy
  • the policy is selected to switch the bearer network of the data stream according to the read bearer network selection policy.
  • the bearer network selection policy received by the terminal in step 60 may also be: the access network node is a terminal.
  • the terminal selects a policy according to the QoS of the data stream and the received bearer network.
  • Selecting a bearer network for the data stream or a bearer network for switching the data stream may be implemented as follows:
  • the terminal switches the bearer network for the DRB according to the received bearer network selection policy. Specifically, the terminal is determined to be Whether the DRB needs to be switched to the WLAN network, and if so, the DRB is switched to the WLAN network; otherwise, The network side returns the reject signaling.
  • the terminal may receive the delivery based on the access network node by using a broadcast message or dedicated signaling.
  • the terminal receives the bearer network of the QoS-based data stream delivered by the access network node by using the broadcast message. After the policy is selected, the terminal receives the notification that the bearer network selection policy of the data stream delivered by the access network node is updated. Receiving a bearer network selection policy of the updated data stream delivered by the access network node according to the notification message, and according to The bearer network selection policy of the updated data stream selects a bearer network for the data stream or a bearer network for switching the data stream.
  • the terminal receives the bearer network selection of the QoS-based data stream delivered by the access network node by using dedicated signaling.
  • the terminal reports the WLAN capability information, the WLAN module enable information, and the pair to the access network node. At least one of WLAN interest information, policy request signaling.
  • Embodiment 1 Broadcasting a QoS-based data stream bearer network selection strategy
  • the LTE system and the WLAN system are taken as an example to illustrate that the network notifies the UE of the QoS-based data.
  • the flow carries the network selection policy process and the operation process of the UE.
  • the eNB node considers its coverage or its coverage based on its own load and backhaul. Based on the load and integration of adjacent WLAN APs, a QoS-based data flow bearer network selection strategy is developed to The broadcast form, for example, is sent to the UE in the system information, and the QoS-based data stream carries the network selection policy. Therefore, the QoS-based data stream bearer network selection policy can be changed as the eNB and AP conditions change. Slightly, in a manner similar to system information update, notify the UE of the change of the QoS-based data stream carrying network selection policy, Further, in order to reduce the impact on the legacy UE, the UE may be notified in a different manner from the system information update.
  • Changes to QoS-based data flow bearer network selection policies such as special instructions in paging messages or separate designs Update notification method so that only WLAN capabilities and/or WLAN modules are enabled and/or WLAN is of interest
  • the UE will listen to the system information of the relevant QoS-based data flow carrying network selection policy and its update.
  • the QoS-based data flow bearer network selection strategy may be cell based, for example using the same set throughout the cell QoS-based data flow bearer network selection strategy; can also be based on each different AP, that is, each AP has its own QoS-based data flow bearer network selection strategy;
  • the QoS-based data flow bearer network selection policy can also be described in the form of service characteristics, such as the Voice category.
  • VoIP recommends optimizing LTE networks, or delay-sensitive services are recommended to prefer LTE networks, or time delays.
  • Service recommendations with low service requirements and low rate requirements are preferred for LTE networks, or delay-insensitive and non-GBR service recommendations
  • the WLAN network, or the background type and the flow type service suggest a preferred WLAN network, and may also use a rate threshold.
  • a guaranteed bit rate (GBR) requires a service WLAN network above 64 kbps. and many more.
  • QoS description can also be used for QoS-based data flow to carry the content of the network selection policy, as long as The UE can clearly understand the meaning of the network side policy, and can use various QoS description methods existing in the standard or Any combination of them can also be added to the standard to redefine the classification.
  • the UE side may decide whether to receive the QoS-based data stream bearer network selection policy based on its own situation, for example.
  • QoS-based numbers are received by UEs with WLAN capability and/or WLAN module turn-on and/or interested in WLAN According to the flow carrying network selection strategy;
  • Step 1 The UE reads a QoS-based data stream bearer network selection policy
  • Step 2 The UE searches for a WLAN network suitable for access
  • Step 3 The UE carries the network selection policy according to the QoS-based data flow corresponding to the available AP, and the newly initiated The data flows of different QoS characteristics of the service are subjected to corresponding network selection operations, or the data flows that have been established are connected. Switch into the network.
  • the UE may have another execution step of swapping the above steps 1 and 2, that is, The UE obtains the QoS-based data stream bearer network selection policy only when there is a WLAN network available around the UE. The continued execution steps are unchanged.
  • the UE performs a network selection and handover operation, which is a process triggered by the UE, and may be an example of a core network node.
  • a network selection and handover operation is a process triggered by the UE, and may be an example of a core network node.
  • P-GW packet data gateway
  • RAN Radio Access Network
  • the UE uses the QoS-based data flow bearer network selection policy delivered by the eNB.
  • Line reference ultimately need to comprehensively consider the cost and user preferences and other factors, comprehensively decide whether to data to the WLAN Streaming.
  • Embodiment 2 Dedicated signaling to notify a QoS-based data stream bearer network selection strategy
  • the LTE system and the WLAN system are taken as an example to illustrate that the network notifies the UE of the QoS-based data.
  • the process of carrying the network selection policy and the operation process of the UE is taken as an example to illustrate that the network notifies the UE of the QoS-based data.
  • the eNB decides when to send the base to the UE according to the state of the UE and the AP load.
  • the data flow carrying network selection strategy for QoS can specifically:
  • the UE needs to report information such as WLAN capability and/or WLAN module activation and/or interest in the WLAN;
  • the network sends a QoS-based data stream bearer network selection policy to the UE that meets the foregoing conditions, and the specific trigger may be a network.
  • the UE sends a QoS-based data stream bearer network selection policy, or based on the UE location, only near the AP
  • the UE sends a QoS-based data flow carrying network selection policy, or based on the UE's reporting, for example, the UE searches for an available After the WLAN signal, when the policy is requested from the eNB, the QoS-based data stream bearer network selection policy is sent to the UE;
  • the network may decide whether to send the QoS-based data stream bearer network selection to the UE according to the policy situation of the UE. Selecting a policy, for example, if the UE has only voice service, the QoS-based data stream bearer network selection may not be sent to the UE. Select a policy to keep the UE in the LTE network. If the UE has only Internet access, it can send a message based on the UE.
  • the QoS data flow carries the network selection policy, that is, the UE is recommended to switch its access network to the WLAN network.
  • Step 1 The UE needs to report its own status to the network side. For example, when interested in the WLAN, the information is ⁇ The signal is reported to the network in the existing signaling or new signaling process;
  • Step 2 The network sends a QoS-based data stream bearer network selection policy carried by the dedicated signaling to the UE;
  • Step 3 The UE refers to the QoS-based data stream bearer network selection policy, and performs data stream selection and switching operations. Work.
  • the information reported by the UE may be an update of the real-time status, for example, when the connection state is entered, the WLAN is reported. Interests can also be sent when an available AP can be found.
  • the UE may not report, and the network adopts a certain algorithm to select the UE, for example, considers Wifi.
  • the function is popular.
  • the QoS-based data stream bearer can be directly sent. Network selection strategy.
  • Embodiment 3 Dedicated signaling to notify DRB routing information
  • the LTE system and the WLAN system are taken as an example to illustrate that the network notifies the UE of the QoS-based data.
  • the process of carrying the network selection policy and the operation process of the UE is taken as an example to illustrate that the network notifies the UE of the QoS-based data.
  • Step 1 The network receives the report of the UE, and the report information can be opened for the WLAN module or searched for available.
  • AP
  • Step 2 The network judges the load of the user and the load of the corresponding AP and the DRB combination of the UE. Whether to perform route conversion for the existing DRB of the UE, that is, some or all of the DRBs are transferred to the WLAN.
  • the network if necessary, sends the corresponding information to the UE in the form of dedicated signaling. For example, the UE has two DRB points. Do not transmit VoIP and FTP services.
  • the network may recommend switching the DRB2 corresponding to the FTP service to the WLAN network.
  • Step 1 When the WLAN is interested in or search for an available AP, the information is reported to the network;
  • Step 2 Receive route conversion signaling about the DRB on the network side, and refer to the route conversion signaling, and corresponding
  • the data flow corresponding to the DRB is switched to the WLAN network, where the handover process is initiated by the UE itself, through the core network.
  • the signaling interaction between the nodes completes the path switching of the corresponding data stream.
  • the UE may not report, and the network adopts a certain algorithm to select the UE, for example, considers Wifi.
  • the function is relatively popular, and all the UEs located near the AP can directly send route conversion signaling.
  • Embodiment 4 Dedicated signaling to notify DRB switching information
  • the LTE system and the WLAN system are taken as an example to illustrate that the network notifies the UE of the QoS-based data.
  • the flow carries the network selection policy and the operation process of the UE.
  • the eNB and the AP are considered to be co-located or have a direct interface, and the eNB may control the AP.
  • Step 1 The network receives the report information of the UE, and the report information may be enabled for the WLAN module or searched for available.
  • AP AP
  • Step 2 The network judges the load of the user and the load of the corresponding AP and the DRB combination of the UE. Whether to switch to the existing DRB of the UE, that is, some or all of the DRBs are switched to the WLAN network. If necessary, send the corresponding handover command to the UE. For example, the UE has two DRBs that transmit VoIP and FTP respectively. For the service, the network may propose to switch the DRB2 corresponding to the FTP service to the WLAN network.
  • Step 1 When the WLAN is interested in or search for an available AP, the information is reported to the network;
  • Step 2 Receive the handover signaling about the DRB on the network side, and consider other factors such as cost and user preference. Whether to perform DRB switching, if the switch is agreed, the corresponding data flow corresponding to the DRB is switched to the WLAN network. Transmitting and returning the handover completion signaling to the network side; if the UE does not agree to the handover, returning the rejection to the network side Signaling to maintain existing DRB transmissions.
  • an embodiment of the present invention provides an access network device, where the access network device includes:
  • a determining unit 70 configured to determine a bearer network selection policy of the data flow based on the quality of service QoS;
  • the sending unit 71 is configured to send the bearer network selection policy of the determined data stream to the terminal, so that the terminal according to the number
  • the bearer network selection policy according to the flow selects a bearer network or a bearer network that switches the data flow for the data flow of the terminal.
  • the determining unit 70 is configured to:
  • a bearer network selection policy is determined for the terminal's dedicated radio bearer DRB.
  • the determining unit 70 is configured to: classify the data stream according to the following method: identify the QCI according to the QoS class Classify data streams;
  • the sending unit 71 is configured to: deliver the bearer network selection policy based on the QCI indication to the terminal.
  • the determining unit 70 is configured to: classify the data stream according to the following method: the data stream according to the service characteristic classification;
  • the sending unit 71 is configured to deliver the bearer network selection policy based on the service characteristic indication to the terminal.
  • the determining unit 70 is configured to: determine, according to the following method, a bearer network selection policy for the DRB of the terminal:
  • the bearer network selection policy includes indication information that the DRB needs to be transferred to the WLAN network.
  • the sending unit 71 is configured to:
  • the bearer network selection policy of the determined data stream is sent to the terminal by using a broadcast message or a dedicated signaling.
  • the access network device further includes:
  • the notification unit 72 is configured to send, by the sending unit, the bearer network selection policy of the determined data stream by using a broadcast message. After the terminal is given, the bearer network selection policy of the data stream is re-determined, and the bearer network selection of the re-determined data stream is selected. The policy is sent to the terminal, and the bearer network selection policy of the terminal data stream is notified to be updated.
  • the access network device further includes:
  • the receiving unit 73 is configured to send the bearer network selection policy of the determined data flow by using the dedicated signaling To the terminal, before the determining unit determines the bearer network selection policy of the data stream based on the QoS, the receiving terminal reports the WLAN capability information, WLAN module enable information, information on WLAN interest, policy request signaling at least one.
  • an embodiment of the present invention provides another access network device, where the access network device includes a processor 701 and receives Hair 702, wherein
  • the processor 701 is configured to determine a bearer network selection policy of the data flow based on the quality of service QoS, and determine the determined data.
  • the bearer network selection policy of the stream is sent to the terminal through the transceiver 702, so that the terminal selects according to the bearer network of the data stream.
  • the policy selects a bearer network that carries the network or switches the data flow for the data flow of the terminal.
  • processor 701 is configured to:
  • processor 701 is configured to: classify the data stream according to the following method: identify the QCI according to the QoS class Classify data streams;
  • the transceiver 702 is configured to: deliver the bearer network selection policy based on the QCI indication to the terminal.
  • processor 701 is configured to: classify the data stream according to the following method: divide the data stream according to the service characteristic class;
  • the transceiver 702 is configured to: deliver the network selection policy based on the service characteristic indication, and send the policy to the terminal.
  • the processor 701 is configured to: determine, according to the following method, a bearer network selection policy for the DRB of the terminal:
  • the bearer network selection policy includes indication information that the DRB needs to be transferred to the WLAN network.
  • transceiver 702 is configured to:
  • the bearer network selection policy of the determined data stream is sent to the terminal by using a broadcast message or a dedicated signaling.
  • the processor 701 is configured to: at the transceiver 702, the bearer network of the determined data stream by using a broadcast message After the selection policy is sent to the terminal, the bearer network selection policy of the data stream is re-determined, and the data stream to be re-determined The bearer network selection policy is sent to the terminal through the transceiver 702, and the bearer network selection policy of the terminal data stream is notified. Health update.
  • the transceiver 702 is configured to send a bearer network selection policy of the determined data flow by using dedicated signaling.
  • the receiving terminal reports the WLAN capability information, WLAN module enable information, information for WLAN interest, policy request signaling At least one of them.
  • an embodiment of the present invention provides a terminal, where the terminal includes:
  • the receiving unit 80 is configured to receive, by the access network node, a bearer network selection of a service quality QoS-based data flow Choice strategy
  • Selecting a switching unit 81 configured to perform QoS according to the data flow of the terminal and the received bearer network selection policy, A bearer network that selects a bearer network or switches the data stream for the data stream.
  • the bearer network selection policy received by the receiving unit 80 is: the access network node performs data according to the QoS. After the traffic classification, the bearer network selection policy determined for each type of data flow;
  • the selection switching unit 81 is used to:
  • the bearer network selection policy received by the receiving unit 80 is: the access network node is dedicated to the terminal.
  • the line carries the bearer network selection policy determined by the DRB;
  • the selection switching unit 81 is configured to: switch the bearer network to the DRB according to the received bearer network selection policy.
  • the access network node classifies the data flow according to the QoS, and determines the bearer network separately for each type of data flow.
  • the selection strategy includes:
  • Bearer network selection strategy based on QCI indication
  • a bearer network selection policy based on the service characteristic indication.
  • the selection switching unit 81 is configured to: according to the received method, select a policy according to the received bearer network DRB switch bearer network:
  • the receiving unit 80 is configured to:
  • the terminal further includes:
  • the processing unit 82 is configured to receive, by the receiving unit, the QoS-based data delivered by the access network node by using a broadcast message. After the bearer network selection policy of the flow, the bearer network selection policy of the data stream sent by the receiving access network node is updated. The notification message of receiving the updated data stream delivered by the access network node according to the notification message, And selecting a bearer network or a bearer for switching the data stream according to the bearer network selection policy of the updated data stream.
  • the internet The internet.
  • the terminal further includes:
  • the reporting unit 83 is configured to receive the QoS-based data delivered by the access network node by using the dedicated signaling at the receiving unit. Before the bearer network selection policy of the flow, report the WLAN capability information to the access network node, and the WLAN module is enabled. At least one of information, information of interest to the WLAN, and policy request signaling.
  • an embodiment of the present invention provides another terminal, where the terminal includes:
  • the transceiver 801 is configured to receive a bearer network selection of a service quality QoS-based data stream delivered by an access network node Strategy
  • the processor 802 is configured to select a QoS according to the data flow of the terminal and a bearer network received by the transceiver 801. A policy of selecting a bearer network or a bearer network that switches the data stream for the data stream.
  • the bearer network selection policy received by the transceiver 801 is: the access network node performs the data flow according to the QoS.
  • the processor 802 is configured to:
  • the bearer corresponding to the data stream of the newly initiated service is read from the bearer network selection policy received by the transceiver 801. a network selection policy for selecting a bearer network for the data stream according to the read bearer network selection policy; and/or,
  • the bearer corresponding to the data flow of the self-established service is read from the bearer network selection policy received by the transceiver 801.
  • the network selection policy switches the bearer network of the data flow according to the read bearer network selection policy.
  • the bearer network selection policy received by the transceiver 801 is: the access network node is a dedicated wireless terminal. Carrying a bearer network selection policy determined by the DRB;
  • the processor 802 is configured to: switch the bearer network to the DRB according to the bearer network selection policy received by the transceiver 801.
  • the access network node classifies the data flow according to the QoS, and determines the bearer network separately for each type of data flow.
  • the selection strategy includes:
  • Bearer network selection strategy based on QCI indication
  • a bearer network selection policy based on the service characteristic indication.
  • processor 802 is configured to: according to the following method, according to the bearer network selection policy received by the transceiver 801 Slightly DRB switch bearer network:
  • the transceiver 801 is instructed to return the reject signaling to the network side.
  • transceiver 801 is configured to:
  • the processor 802 is configured to receive, by the transceiver 801, the access network node by using a broadcast message. After the bearer network selection policy of the QoS data stream, the bearer network selection policy of the data stream sent by the access network node is received. A notification message that is updated slightly; receiving a bearer network of the updated data stream delivered by the access network node according to the notification message Select a policy and select a bearer network or switch data for the data stream according to the bearer network selection policy of the updated data stream. The bearer network of the stream.
  • the transceiver 801 is configured to receive the QoS-based data stream delivered by the access network node by using dedicated signaling. Before the bearer network selection policy, report the WLAN capability information and the WLAN module open message to the access network node. At least one of information, information about WLAN, and policy request signaling.
  • the beneficial effects of the present invention include:
  • the access network node determines the bearer network selection policy of the data flow based on the QoS,
  • the bearer network selection policy of the determined data flow is sent to the terminal, and the terminal selects a policy according to the bearer network of the data flow.
  • the data stream of the terminal selects a bearer network that carries the network or switches the data stream, and the access that is sent by the core network in the prior art.
  • the network selection strategy only considers the operator's tendency to compare the static information with the tariff, the user subscription information, etc., in the present invention.
  • the access network formulates a bearer network selection strategy for the data flow based on the dynamic factor of QoS, so that the terminal can according to the data flow
  • the QoS and the received bearer network selection strategy select the bearer network that carries the network or switches the data stream, thereby improving the The possibility that the terminal selects the optimal network for the data stream.
  • embodiments of the present invention can be provided as a method, system, or computer program.
  • Product can be implemented in an entirely hardware embodiment, an entirely software embodiment, or in combination with software and hardware.
  • the present invention may employ one or more computers having computer usable program code embodied therein.
  • Shape of computer program product implemented on a storage medium (including but not limited to disk storage and optical storage, etc.) formula.
  • the present invention is directed to a flowchart of a method, apparatus (system), and computer program product according to an embodiment of the present invention. And / or block diagram to describe. It should be understood that each flow in the flowchart and/or block diagram can be implemented by computer program instructions. Combinations of blocks and/or blocks, and flow diagrams and/or blocks in the flowcharts and/or block diagrams.
  • These computers are available Program instructions to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing device Generating a machine to generate instructions for execution by a processor of a computer or other programmable data processing device To implement the functions specified in one or more blocks of a flow or a flow and/or block diagram of a flowchart Device.
  • These computer program instructions can also be stored in a particular computer capable of booting a computer or other programmable data processing device In a computer readable memory that operates such that instructions generated in the computer readable memory are generated including instructions
  • the instruction device is implemented in a flow or a flow or a block diagram of a block or a plurality of blocks The function specified in the box.

Abstract

L'invention concerne un procédé et un dispositif permettant l'envoi d'une politique de sélection de réseau et la sélection d'un réseau, qui ont trait au domaine des communications sans fil et sont utilisés pour augmenter la possibilité qu'un terminal sélectionne un réseau optimal pour un flux de données. Dans la présente demande, un nœud de réseau d'accès détermine une politique de sélection de réseau support d'un flux de données sur la base de la qualité de service, et envoie la politique de sélection de réseau support déterminée du flux de données à un terminal. Le terminal sélectionne un réseau support pour le flux de données du terminal ou commute le réseau support du flux de données conformément à la politique de sélection de réseau support du flux de données, augmentant ainsi la possibilité que le terminal sélectionne un réseau optimal pour le flux de données.
PCT/CN2014/074623 2013-04-03 2014-04-02 Procédé et dispositif d'envoi d'une politique de sélection de réseau et de sélection de réseau WO2014161487A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201310116412.7 2013-04-03
CN201310116412.7A CN104105171B (zh) 2013-04-03 2013-04-03 网络选择策略下发及网络选择方法和设备

Publications (1)

Publication Number Publication Date
WO2014161487A1 true WO2014161487A1 (fr) 2014-10-09

Family

ID=51657611

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2014/074623 WO2014161487A1 (fr) 2013-04-03 2014-04-02 Procédé et dispositif d'envoi d'une politique de sélection de réseau et de sélection de réseau

Country Status (2)

Country Link
CN (1) CN104105171B (fr)
WO (1) WO2014161487A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018000379A1 (fr) * 2016-06-30 2018-01-04 华为技术有限公司 Procédé de commande de transmission de données, dispositif de communication et dispositif de réseau central
WO2018170837A1 (fr) * 2017-03-23 2018-09-27 Oppo广东移动通信有限公司 Procédé de transmission de données de liaison montante, terminal, dispositif côté réseau et système
WO2021104384A1 (fr) * 2019-11-26 2021-06-03 中兴通讯股份有限公司 Procédé de transmission simultanée de services de liaison montante et de liaison descendante ftp, système, dispositif de réseau et support de stockage

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106304223B (zh) * 2015-05-21 2020-09-29 西安中兴新软件有限责任公司 一种网络模式切换方法、装置及系统
CN105933953A (zh) * 2016-04-20 2016-09-07 广东工业大学 一种基于大数据的网络控制的多接入并发传输方法
CN108632910B (zh) * 2017-03-24 2019-07-02 电信科学技术研究院 一种QoS处理方法和设备
CN108282844B (zh) * 2018-01-27 2020-11-17 惠州Tcl移动通信有限公司 一种控制用户终端选择网络制式的网络及方法
CN113038502B (zh) * 2019-12-24 2022-05-13 大唐移动通信设备有限公司 一种volte语音业务的优化方法及装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101505524A (zh) * 2008-02-05 2009-08-12 华为技术有限公司 用户设备选择网络的方法及装置
CN102802239A (zh) * 2011-05-25 2012-11-28 中兴通讯股份有限公司 一种基于网络状态提供接入网选择策略的方法及系统
WO2012165893A2 (fr) * 2011-06-03 2012-12-06 에스케이 텔레콤주식회사 Procédé de service de transmission de données simultanée et dispositif utilisé associé
CN102932863A (zh) * 2012-10-17 2013-02-13 南京云恒瑞通网络科技有限责任公司 一种基于qos的终端设备选择连网方式的方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101505524A (zh) * 2008-02-05 2009-08-12 华为技术有限公司 用户设备选择网络的方法及装置
CN102802239A (zh) * 2011-05-25 2012-11-28 中兴通讯股份有限公司 一种基于网络状态提供接入网选择策略的方法及系统
WO2012165893A2 (fr) * 2011-06-03 2012-12-06 에스케이 텔레콤주식회사 Procédé de service de transmission de données simultanée et dispositif utilisé associé
CN102932863A (zh) * 2012-10-17 2013-02-13 南京云恒瑞通网络科技有限责任公司 一种基于qos的终端设备选择连网方式的方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018000379A1 (fr) * 2016-06-30 2018-01-04 华为技术有限公司 Procédé de commande de transmission de données, dispositif de communication et dispositif de réseau central
WO2018170837A1 (fr) * 2017-03-23 2018-09-27 Oppo广东移动通信有限公司 Procédé de transmission de données de liaison montante, terminal, dispositif côté réseau et système
WO2021104384A1 (fr) * 2019-11-26 2021-06-03 中兴通讯股份有限公司 Procédé de transmission simultanée de services de liaison montante et de liaison descendante ftp, système, dispositif de réseau et support de stockage

Also Published As

Publication number Publication date
CN104105171A (zh) 2014-10-15
CN104105171B (zh) 2017-11-07

Similar Documents

Publication Publication Date Title
US20200229075A1 (en) Dynamic network selection
US10237797B2 (en) Communication control method and user terminal
WO2014161487A1 (fr) Procédé et dispositif d'envoi d'une politique de sélection de réseau et de sélection de réseau
JP6224820B2 (ja) 無線通信システムにおいてデータ送信を実行する方法及び装置
JP6377612B2 (ja) 無線通信システムにおいて輻輳に基づくトラフィックオフローディング方法及び装置
US9661544B2 (en) Method and system for offloading handover of wireless connections from a LTE network to a Wi-Fi network
TWI634800B (zh) 用於將蜂巢式流量分擔至無線區域網路流量的方法、使用者設備及電腦可讀儲存媒體
KR101787708B1 (ko) 네트워크 간 핸드오버 방법 및 장치
US20160183147A1 (en) Reporting between base stations
EP2946610B1 (fr) Terminal, noeud de réseau et procédé dans ledit terminal pour permettre l'accès à un réseau de radiocommunications
US20130029588A1 (en) Network selection device and method for selecting a communication network
WO2014108056A1 (fr) Procédé, dispositif et système de commutation de réseau hétérogène
WO2014134975A2 (fr) Procédé et dispositif pour la transmission d'un flux de données
WO2015018213A1 (fr) Procédé et dispositif de traitement pour interaction d'informations et shuntage, station de base, rnc et terminal
KR20140136897A (ko) 효과적인 무선 랜 선택 방법 및 장치
US20170251401A1 (en) Traffic steering between cellular networks and wireless local area networks (wlans) using user equipment (ue) throughput estimates
WO2014067429A1 (fr) Procédé, dispositif et système pour découvrir et sélectionner un réseau d'accès de point d'accès sans fil 2.0
WO2014161451A1 (fr) Procédé et appareil permettant de déterminer une commutation de réseau
WO2015018324A1 (fr) Procédé et dispositif pour la mise en œuvre d'une mobilité de flux ip dans un système à accès multiple
WO2014121688A1 (fr) Procédé, dispositif et système de détermination de charge de wlan
WO2015065267A1 (fr) Procédés et appareils pour une intégration de wifi/3gpp fondée sur une politique
WO2014114173A1 (fr) Procédé et dispositif de sélection de réseau
WO2016115911A1 (fr) Procédé et appareil d'émission d'informations d'indication

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 14778663

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 14778663

Country of ref document: EP

Kind code of ref document: A1