WO2012171456A1 - 分流数据到无线局域网的方法、终端及网络设备 - Google Patents

分流数据到无线局域网的方法、终端及网络设备 Download PDF

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Publication number
WO2012171456A1
WO2012171456A1 PCT/CN2012/076810 CN2012076810W WO2012171456A1 WO 2012171456 A1 WO2012171456 A1 WO 2012171456A1 CN 2012076810 W CN2012076810 W CN 2012076810W WO 2012171456 A1 WO2012171456 A1 WO 2012171456A1
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WO
WIPO (PCT)
Prior art keywords
terminal
network
wlan
module
indication message
Prior art date
Application number
PCT/CN2012/076810
Other languages
English (en)
French (fr)
Inventor
刘海
靳维生
Original Assignee
华为技术有限公司
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 华为技术有限公司 filed Critical 华为技术有限公司
Priority to EP12800277.1A priority Critical patent/EP2720508B1/en
Priority to KR1020147000966A priority patent/KR101833841B1/ko
Publication of WO2012171456A1 publication Critical patent/WO2012171456A1/zh

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02Power saving arrangements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W48/00Access restriction; Network selection; Access point selection
    • H04W48/18Selecting a network or a communication service
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W48/00Access restriction; Network selection; Access point selection
    • H04W48/08Access restriction or access information delivery, e.g. discovery data delivery
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W48/00Access restriction; Network selection; Access point selection
    • H04W48/16Discovering, processing access restriction or access information
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02Power saving arrangements
    • H04W52/0209Power saving arrangements in terminal devices
    • H04W52/0225Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
    • H04W52/0235Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is a power saving command
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W88/00Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02Terminal devices
    • H04W88/06Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W84/00Network topologies
    • H04W84/02Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10Small scale networks; Flat hierarchical networks
    • H04W84/12WLAN [Wireless Local Area Networks]
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/70Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present invention relates to mobile communication technologies, and in particular, to a method, a terminal, and a network device for offloading data to a wireless local area network.
  • 2G/3G networks and Long Term Evolution (LTE) networks With the rapid growth of global data communications, 2G/3G networks and LTE networks are under increasing data communication load.
  • Wireless Local Area Network (WLAN) can achieve more and more data throughput with the advancement of technology, and the WLAN network has a low cost compared with the 2G/3G/LTE network.
  • WLAN Wireless Local Area Network
  • the prior art scheme of offloading part of the data traffic on the 2G/3G/LTE network to the WLAN network causes the terminal to consume a lot of power, resulting in a decrease in the standby time of the terminal.
  • Embodiments of the present invention provide a method, a terminal, and a network device for offloading data to a wireless local area network to reduce power consumption of the terminal.
  • a method for offloading data to a WLAN including: receiving, by the terminal, an indication message sent by an access network of a cellular network, where the indication message is used to trigger the terminal to open a WLAN function of the wireless local area network and access the WLAN network After the terminal accesses the WLAN network, the service data that needs to be offloaded directly passes through the WLAN.
  • the network transmits.
  • a method for offloading data to a wireless local area network including:
  • the access network of the cellular network determines that the service data of the terminal needs to be offloaded to the WLAN network of the wireless local area network, and sends an indication message to the terminal, where the indication message is used to indicate that the terminal opens the WLAN function and accesses the WLAN network.
  • the traffic data that needs to be offloaded is directly offloaded to the accessed WLAN network for transmission.
  • a terminal including:
  • the receiving and accessing module is configured to receive an indication message sent by the access network of the cellular network, where the indication message is used to trigger the terminal to open the WLAN function of the wireless local area network and access the WLAN network; and the distribution module is configured to receive according to the receiving The WLAN network that is connected to the access module directly transmits the service data that needs to be offloaded through the WLAN network.
  • a network device including:
  • a judging module configured to determine that the service data of the terminal needs to be offloaded to the WLAN network of the wireless local area network
  • the indication module is configured to: according to the determining module, determine that the service data of the terminal needs to be offloaded to the WLAN network, and send an indication message to the terminal, where the indication message is used to instruct the terminal to open the WLAN function and access the WLAN network, and The service data that needs to be offloaded is directly offloaded to the accessed WLAN network for transmission.
  • the terminal may receive an indication message sent by the access network of the cellular network when the data service needs to be performed, and according to the indication message, the WLAN function of the terminal may be triggered to open to access the WLAN network, and then the data may be offloaded to the WLAN.
  • Network which enables the WLAN function to be turned on when data services are required, instead of always turning on the WLAN function, so it can be reduced.
  • the power consumption of the terminal when the offloading is required, the WLAN function is triggered by the indication message, and the WLAN network can be connected in time to implement the offloading, thereby avoiding the problem that the WLAN function cannot be shunted without opening the WLAN function, and improving the shunting effect.
  • FIG. 1 is a schematic flowchart of a method according to a first embodiment of the present invention
  • FIG. 2 is a schematic flowchart of a method according to a second embodiment of the present invention
  • FIG. 3 is a schematic flowchart of a method according to a third embodiment of the present invention
  • FIG. 5 is a schematic structural diagram of a terminal according to a fifth embodiment of the present invention
  • FIG. 6 is a schematic structural diagram of a network device according to a sixth embodiment of the present invention.
  • the WLAN management module may be separately configured on the terminal side and the network side, and the WLAN management module on the terminal side is configured to receive the indication message sent by the WLAN management module on the network side, and the WLAN management module on the terminal side receives the indication.
  • the terminal's application or operating system can offload data to the connected WLAN directly through the open WLAN module.
  • the WLAN module on the terminal side can be kept in the normal state to reduce the power consumption of the terminal side, and when the traffic needs to be offloaded, for example, when the terminal side needs data service, the WLAN management module through the terminal side is adopted.
  • the WLAN module is triggered to open to access the WLAN, and the WLAN can be accessed in time to implement the offloading effect.
  • the network side in the embodiment of the present invention may be specifically an access network of a cellular network.
  • FIG. 1 is a schematic flowchart of a method according to a first embodiment of the present invention, including:
  • Step 11 The terminal receives an indication message sent by the access network of the cellular network, where the indication message is used to trigger the terminal to open the WLAN function and access the WLAN network.
  • the terminal device may first establish an Internet Protocol (IP) connection with the network device, and then transmit the indication message through the established IP connection.
  • IP Internet Protocol
  • the terminal device does not need to establish a connection with the network device, and directly adopts the wireless resource. Control
  • RRC Radio Resource Control
  • the method may further include: sending, by the terminal, an Active Packet Data Protocol (PDP) context message to the access network of the cellular network, so that the access network of the cellular network learns that the terminal needs to perform data service and determines the The terminal has the capability of accessing the WLAN; or, the bearer is established with the access network of the cellular network, and the service data is transmitted on the established bearer, so that the access network of the cellular network knows that the terminal needs to perform data service and determines The terminal has the capability of accessing a WLAN.
  • the data service includes, but is not limited to, a voice service and an online service.
  • the foregoing indication information may be sent when the access network of the cellular network learns that the terminal needs to perform data service and determines that the terminal has the capability of accessing the WLAN.
  • the access network of the cellular network can determine whether the terminal can access the WLAN in the following manner. For example, the access network of the cellular network can know whether there is an available WLAN network around the terminal according to the system configuration or the terminal reporting, and when there is an available WLAN network, it indicates that the WLAN network can be accessed. Or, if the access network of the cellular network is required to send the WLAN network identification information of the accessed WLAN network to the terminal, the access network of the cellular network can determine the terminal according to the corresponding relationship between the related information of the configured terminal and the WLAN network identification information. Whether the WLAN network identification information of the WLAN and the corresponding WLAN network can be accessed, and the related information of the terminal may include at least the location information of the terminal.
  • the terminal reports its own location information
  • the access network of the cellular network can find the WLAN network identification information corresponding to the location information in the configured correspondence, it is determined that the WLAN network can be accessed, and the connection can be determined.
  • WLAN network identification information of the incoming WLAN network For example, if the terminal reports its own location information, if the access network of the cellular network can find the WLAN network identification information corresponding to the location information in the configured correspondence, it is determined that the WLAN network can be accessed, and the connection can be determined.
  • WLAN network identification information of the incoming WLAN network For example, if the terminal reports its own location information, if the access network of the cellular network can find the WLAN network identification information corresponding to the location information in the configured correspondence, it is determined that the WLAN network can be accessed, and the connection can be determined.
  • WLAN network identification information of the incoming WLAN network For example, if the terminal reports its own location information, if the access network of the cellular network can find the WLAN network identification information corresponding to the location information in the configured correspondence, it is determined
  • the indication message may not carry the network identification information of the WLAN network indicating the terminal access.
  • the terminal may select the WLAN network to be accessed by using the application, for example, currently
  • a mainstream operating system can provide management of WLAN networks and 2G/3G/LTE networks.
  • Microsoft's Windows Mobile operating system and RIM operating system provide a connection manager that encapsulates the WLAN. Management of networks and 2G/3G/LTE networks.
  • the application only needs to call the Application Programming Interface (API) provided by the connection manager, and the connection manager can automatically select the WLAN network or the 2G/3G/LTE network to establish a connection.
  • API Application Programming Interface
  • android and Apple's iOS operating system it can also provide management of WLAN network and 2G/3G/LTE network. The difference is that its operating system can notify the application WLAN network and the status of 2G/3G/LTE network, and then Choose the appropriate connection by the application.
  • the indication message may also carry the network identifier of the WLAN network indicating the terminal access.
  • Information for example, the indication message carries one or more Service Set Identifiers (SSIDs) and/or one or more channel numbers (channels), after which the terminal connects according to the SSID and/or channel number. Enter the corresponding WLAN network.
  • the SSID is an identifier of the WLAN network, and may indicate a WLAN network that needs to be accessed, and the channel number indicates a frequency point used by the WLAN network for accessing the SSID.
  • Step 12 After the terminal accesses the WLAN network, the service data that needs to be offloaded is directly transmitted through the WLAN network.
  • the foregoing indication information is received by an application layer module of the terminal, that is, received by a WLAN management module of the terminal, where the WLAN management module is located at an application layer.
  • the application or the operating system of the terminal directly sends the service data that needs to be offloaded to the physical layer WLAN module corresponding to the opened WLAN function for transmission through the WLAN network.
  • the WLAN management module may trigger the WLAN module corresponding to the WLAN function to be opened. For example, after receiving the indication message, the WLAN management module in the terminal sends a trigger message to the WLAN module in the terminal to trigger the WLAN module to be opened. And access to the WLAN network.
  • the WLAN module can be a module located at the physical layer.
  • the operating system knows whether the WLAN module is turned on. If the operating system controls the offloading, the operating system can send the data to be split to the WLAN module through the interface between the operating system and the WLAN module after the WLAN module is opened. And transmitted via a WLAN network. If the application controls the offload, after the operating system knows that the WLAN module is turned on, the operating system sends a message to the application to inform the application that the WLAN module is turned on, and then the application can use the interface between the application and the WLAN module to divert the data. Sent to the WLAN module, And transmitted via the WLAN network.
  • the operating system (or application) and the WLAN module do not have a data transmission interface, and the operating system (or application) sends the data to the LTE module, and the LTE module It is determined whether to transmit from the LTE network or through the interface between the LTE module and the WLAN module in the WLAN network.
  • the LTE module is not required to control the WLAN module in the embodiment of the present invention. Therefore, an interface between the LTE module and the WLAN module is not required.
  • the embodiment may further include the step of shutting down the WLAN module, for example, the method further includes: ending the time when no data transmission is performed on the WLAN network for a set time, and the terminal is configured to disable the WLAN function of the terminal.
  • the WLAN function when the data service needs to be performed, the receiving the indication message sent by the network side, according to the indication message, the WLAN function can be triggered to be opened to access the WLAN network, and then the data can be offloaded to the WLAN network, so that when the data service needs to be performed, The WLAN function is enabled instead of the WLAN function. Therefore, the power consumption on the terminal side can be reduced.
  • the WLAN function can be triggered by the indication message, and the WLAN network can be connected to the WLAN network in time to avoid the WLAN. The function can not be diverted, and the shunt effect is improved.
  • the application or the operating system of the terminal sends the data to the underlying LTE module, and the LTE module determines whether the traffic is offloaded. If the traffic distribution is required, the LTE module triggers.
  • the WLAN module is enabled. In this mode, the LTE module needs to be improved so that it not only has the LTE network transmission function, but also needs specific judgment and trigger function.
  • the WLAN management module performs the foregoing determination and triggering, and the WLAN management module is located at the application layer, and can be implemented by using software.
  • the application or operating system of the terminal directly transmits the data to be split to the opened WLAN module through the interface with the WLAN module, and does not need to be offloaded through the LTE module.
  • the change of the LTE module of the bottom module can be avoided.
  • the LTE module can be changed without changing the LTE network transmission function, and the judgment and trigger functions need not be added.
  • the meaning of the foregoing access WLAN network may include the entire process of accessing, authenticating, and obtaining an IP address.
  • the WLAN network may be a network that is not related to the mobile network that transmits data when the WLAN network is not connected. Therefore, in the embodiment of the present invention, the IP address acquired by the UE when accessing the WLAN network may be obtained when the IP address obtained by the UE is not connected to the WLAN network. The IP address is different. In contrast, if the LTE module performs the offload processing, the UE will still use the IP address used when accessing the LTE network as the source address when accessing the WLAN.
  • FIG. 2 is a schematic flowchart of a method according to a second embodiment of the present invention, including:
  • Step 21 The access network of the cellular network determines that the service data of the terminal needs to be offloaded to the WLAN network.
  • the method further includes: receiving, by the access network of the cellular network, a PDP context message sent by the terminal, to indicate that the terminal needs to perform data service, and determining that the terminal has the capability of accessing the WLAN; or, the access network of the cellular network And establishing a bearer with the terminal and transmitting the service data on the established bearer, so that the access network of the cellular network knows that the terminal needs to perform data service and determines that the terminal has the capability of accessing the WLAN.
  • Step 22 The access network of the cellular network sends an indication message to the terminal, where the indication message is used to indicate that the terminal opens the WLAN function and accesses the WLAN network, and directly offloads the service data that needs to be offloaded to the access. Transmission in the WLAN network.
  • the indication message may be received by the application layer of the terminal, and the application or the operating system of the terminal directly sends the service data that needs to be offloaded to the WLAN module located at the physical layer to be transmitted to the accessed WLAN network for transmission.
  • the indication message is sent by the access network of the cellular network to learn that the terminal needs to perform data service and determine that the terminal has the capability of accessing the WLAN.
  • the indication information may not carry the network identification information of the WLAN network that the terminal accesses, and may also carry the network identification information of the WLAN network that the terminal accesses, such as the SSID and/or, as described in the first embodiment. Channel number.
  • the access network of the cellular network can determine the network identification information of the corresponding WLAN network according to the correspondence between the preset information of the terminal and the network identification information of the WLAN network and the related information of the terminal reported by the terminal.
  • the related information of the terminal includes at least the location information of the terminal, and the related information of the terminal is the terminal location information and the terminal type.
  • the network identification information of the WLAN network is an SSID, and the correspondence stored in the access network of the cellular network may be as follows. Table 1 shows:
  • the SSID obtained by the access network of the cellular network is SSID1.
  • the foregoing correspondence may be updated, and may be established or updated by using at least one of the following methods: mode 1, background configuration, for example, manual configuration and update; mode 2, in the network
  • the module for scanning the WLAN network is installed on the side, and is updated according to the scan result. For example, if the module for scanning scans to the WLAN 1 and the WLAN 2 in the vicinity of the cell, the network device may update the SSID corresponding to the cell 1 to the SSID 1 and the WLAN 2 corresponding to the WLAN 1 .
  • the corresponding SSID2; mode 3 is updated according to the management of the access controller (AC), where the AC is a device for managing the WLAN network, and when the WLAN network corresponding to a certain location changes, the AC It can be known, so the network device can update the corresponding information from the AC.
  • the fourth method is updated according to the report result of the terminal. For example, the terminal can obtain the WLAN network identification information of the WLAN network that can be accessed by scanning, and then the The WLAN network identification information of the WLAN network that can be accessed is notified to the access network of the cellular network, and the access network of the cellular network can be updated accordingly.
  • the terminal when the terminal needs to perform the data service, the terminal sends an indication message to the terminal to trigger the WLAN function on the terminal side to open to access the WLAN network, and then the data can be offloaded to the WLAN network, so that when the data service needs to be performed,
  • the WLAN function is enabled instead of the WLAN function. Therefore, the power consumption on the terminal side can be reduced.
  • the WLAN function can be triggered by the indication message, and the WLAN network can be connected to the WLAN network in time to avoid the WLAN function.
  • the problem caused by the non-diversion can improve the diversion effect.
  • FIG. 3 is a schematic flowchart of a method according to a third embodiment of the present invention.
  • a terminal is connected to a network side to perform message interaction as an example.
  • the terminal uses a user equipment (User Equipment, UE), and the network equipment uses a radio network controller (RNC) as an example.
  • RNC radio network controller
  • the network equipment may also be a base station (eNodeB) and a base station controller.
  • BSC Base Station Controller
  • Step 31 The UE initiates an activation PDP context procedure with the RNC when the data service needs to be performed.
  • the network side may send a message indicating that the UE opens the WLAN module.
  • Step 32 The UE establishes a connection with the RNC.
  • the UE may obtain an IP address, and then the WLAN management module in the UE may initiate the connection establishment process with the WLAN management module in the RNC by using the IP address as the source IP address.
  • the established connection can be a transmission control protocol
  • Transport Control Protocol TCP
  • TCP Transport Control Protocol
  • UDP User Datagram Protocol
  • the UE may additionally activate a PDP context to obtain an IP address, and initiate the foregoing connection by using the IP address obtained by the reactivated PDP context as the source IP address.
  • the UE may initiate the connection by using the set source IP address, for example, the set source address is 192.168.0.2.
  • the destination IP address may be a set value, such as 192.168.0.1.
  • the UE transmits the uplink IP packet to the RNC by using the source IP address obtained in the foregoing manner and the set destination IP address. If the RNC determines that the destination address of the IP packet is the set destination IP address, the UE forwards the IP packet to the network. Side WLAN management module to establish a connection.
  • the RNC may also determine the destination IP address and the destination port number. For example, after the destination IP address is the set destination address and the destination port number is the set port number, the IP packet is forwarded to the WLAN on the network side. Manage modules to establish a connection. Step 33: The RNC determines the WLAN network identification information of the WLAN network corresponding to the UE according to the set correspondence.
  • the UE may send its own related information to the RNC, for example, to notify the RNC of its own location information and type.
  • the RNC can use the correspondence shown in Table 1 to determine the corresponding SSID.
  • the WLAN network that the RNC indicates to the UE is used as an example, and the indication is not performed.
  • the WLAN network identification information of the WLAN network does not need to be determined.
  • Step 34 The RNC sends an indication message to the UE, where the indication message carries the WLAN network identification information of the WLAN network.
  • the SSID and/or the channel number are carried in the indication message and sent to the UE.
  • the indication message may not carry the WLAN network identification information of the WLAN network.
  • Step 35 The UE triggers the WLAN module to be opened, and accesses the WLAN network corresponding to the WLAN network identification information.
  • the WLAN management module in the UE triggers the WLAN module to be opened, and then accesses the corresponding WLAN network according to the network identification information of the WLAN network in the indication message.
  • Step 36 The UE offloads the data to the accessed WLAN network for transmission.
  • the offloading is directly performed by the application or the operating system, and does not need to be controlled by the underlying module (such as the LTE module) to avoid changes to the existing chip.
  • Step 37 The UE detects that no data transmission time in the WLAN network reaches the set time. After that, the WLAN module is turned off.
  • the WLAN module when the data service needs to be performed, the receiving the indication message sent by the network side, according to the indication message, the WLAN module can be triggered to open to access the WLAN network, and then the data can be offloaded to the WLAN network, so that when the data service needs to be performed, The WLAN module is turned on, instead of always turning on the WLAN module. Therefore, the power consumption of the terminal side can be reduced, and when the traffic is required to be offloaded, the WLAN module can be triggered to be opened and the WLAN network can be connected in time to implement the offloading, so as to prevent the WLAN from being turned on. The problem caused by the module can not be diverted, and the shunting effect is improved.
  • FIG. 4 is a schematic flowchart of a method according to a fourth embodiment of the present invention.
  • the above correspondence corresponding to the network side is updated by using the information of 1 ⁇ up>3 ⁇ 4.
  • this embodiment includes:
  • Step 41 The RNC sends a message to the UE for indicating scanning.
  • Step 42 The UE performs scanning.
  • the WLAN module in the UE opens and scans the WLANs existing in the periphery, for example, scanning out the available WLANs as WLAN1 and WLAN2.
  • Step 43 The UE scans the result to the RNC >3 ⁇ 4.
  • Step 44 The RNC updates the correspondence between the related information of the UE and the WLAN network identification information of the WLAN network.
  • the UE acquires more than one WLAN information, the access may be selected according to the set policy, for example, randomly selecting or selecting one of the priorities, or offloading the data to more than one WLAN network for transmission. For example, after the UE receives the message of the RNC for indicating the scanning, the UE scans and sends the message to the RNC, for example, after the WLAN network identification information sent by the RNC cannot access the corresponding WLAN network, for example. The RNC sends the SSID1. However, when the UE cannot find the WLAN network corresponding to the SSID1, it scans and reports, triggering the RNC to update the correspondence.
  • the embodiment may further update the corresponding relationship, so as to prevent the UE from accessing the WLAN network, and further improve the offloading effect.
  • FIG. 5 is a schematic structural diagram of a terminal according to a fifth embodiment of the present invention, including a receiving and accessing module 51 and a offloading module 52.
  • the receiving and accessing module 51 is configured to receive an indication message sent by an access network of a cellular network, where the indication is The message is used to trigger the terminal to open the WLAN function and access the WLAN network.
  • the traffic distribution module 52 is configured to directly perform service data that needs to be offloaded through the WLAN network according to the WLAN network that is received by the access module and the access module. transmission.
  • the method may further include: a notification module, configured to send an activation PDP context message to an access network of the cellular network, so that the access network of the cellular network determines that the terminal needs to perform data service and determines that the terminal has The capability of accessing the WLAN; the receiving and accessing module 51 is specifically configured to receive the access network of the cellular network, and the terminal needs to perform data service according to the access network of the cellular network, and the terminal has access to the WLAN.
  • the indication message sent by the ability of the situation. Or,
  • the method may further include: a bearer establishing module, where the bearer establishing module is configured to establish a bearer with the access network of the cellular network, and perform service data transmission on the established bearer, so that the access network of the cellular network learns the terminal.
  • the data service needs to be performed and the terminal has the capability of accessing the WLAN;
  • the access and access module 51 is specifically configured to receive the access network of the cellular network, and determine, according to the access network of the cellular network, that the terminal needs to perform data.
  • Service and the terminal has access to the WLAN The indication message sent by the situation of the capability.
  • the receiving and accessing module 51 is specifically configured to establish an IP connection with an access network of the cellular network, and receive the indication message by using the established IP connection; or, by using the cellular network
  • the RRC connection of the access network receives the indication message.
  • the indication message carries the WLAN network identification information of the WLAN network accessed by the terminal
  • the terminal further includes a sending module
  • the sending module is configured to send the terminal to the access network of the cellular network.
  • the information so that the network side determines the WLAN network that the terminal accesses and the WLAN network identification information of the WLAN network according to the correspondence between the related information of the terminal and the WLAN network identification information, where the related information of the terminal includes the terminal. Location information.
  • the method may further include: a scanning module and a reporting module; the scanning module is configured to receive a message sent by the access network of the cellular network to indicate scanning of the WLAN network or the receiving and accessing module fails to access the WLAN network, and then scan a WLAN network that can be accessed; the reporting module is configured to send WLAN network identification information of the accessible WLAN network scanned by the scanning module to the access network of the cellular network, so that the access network of the cellular network Corresponding relationship between the related information of the terminal and the WLAN network identification information is established or updated according to the WLAN network identification information.
  • the method may further include: a detecting module, configured to detect, by the terminal, data transmission by using the WLAN network, if the time that the terminal does not perform data transmission on the WLAN network reaches a set time, The terminal turns off the WLAN function of the terminal.
  • a detecting module configured to detect, by the terminal, data transmission by using the WLAN network, if the time that the terminal does not perform data transmission on the WLAN network reaches a set time, The terminal turns off the WLAN function of the terminal.
  • the receiving module may be located at an application layer, where the offloading module may include: an application or an operating system, and a WLAN module at the physical layer corresponding to the WLAN function; the application or the operating system is used to After the WLAN function is turned on, the required points are divided.
  • the service data of the stream is directly sent to the WLAN module; the WLAN module is used to access the WLAN network, and the service data that needs to be offloaded is transmitted in the WLAN network.
  • the WLAN function when the data service needs to be performed, the receiving the indication message sent by the network side, according to the indication message, the WLAN function can be triggered to be opened to access the WLAN network, and then the data can be offloaded to the WLAN network, so that when the data service needs to be performed, The WLAN function is enabled instead of the WLAN function. Therefore, the power consumption on the terminal side can be reduced.
  • the WLAN function can be triggered by the indication message, and the WLAN network can be connected to the WLAN network in time to avoid the WLAN. The function can not be diverted, and the shunt effect is improved.
  • FIG. 6 is a schematic structural diagram of a network device according to a sixth embodiment of the present invention, including a determining module 61 and an indicating module 62; the determining module 61 is configured to determine that the service data of the terminal needs to be offloaded to the WLAN network; and the indicating module 62 is configured to use the The determining module determines that the service data of the terminal needs to be offloaded to the WLAN network, and sends an indication message to the terminal, where the indication message is used to indicate that the terminal opens the WLAN function and accesses the WLAN network, and directly diverts the service data that needs to be offloaded. Transmitting into the WLAN network that is accessed.
  • the indication message may be received by the application layer of the terminal, and the application or the operating system of the terminal directly sends the service data that needs to be offloaded to the WLAN module at the physical layer to be transmitted to the accessed WLAN network for transmission.
  • the device may further include: a determining module, configured to determine, according to an activated packet data protocol PDP context message sent by the terminal, that the terminal needs to perform data service and the terminal has the capability of accessing the WLAN; or The bearer established by the terminal and having the service data transmission on the established bearer determines that the terminal needs to perform data service, and determines that the terminal has the capability of accessing the WLAN; the indication module is specifically configured to be used according to the determining module. Determine The terminal needs to perform data service and the terminal has the capability of accessing the WLAN to send the indication message.
  • a determining module configured to determine, according to an activated packet data protocol PDP context message sent by the terminal, that the terminal needs to perform data service and the terminal has the capability of accessing the WLAN
  • the bearer established by the terminal and having the service data transmission on the established bearer determines that the terminal needs to perform data service, and determines that the terminal has the capability of accessing the WLAN
  • the indication module is specifically configured to be used according to the determining module. Determine The terminal needs to
  • the device may further include: a receiving module, where the receiving module is configured to receive related information of the terminal sent by the terminal, and determine the terminal according to the correspondence between the related information of the terminal and the WLAN network identification information.
  • the access WLAN network and the WLAN network identification information of the WLAN network, the related information of the terminal includes the location information of the terminal; the indication module is specifically configured to determine, according to the determining module, that the service data of the terminal needs to be offloaded to the WLAN
  • the network sends, to the terminal, an indication message that carries the WLAN network identification information of the WLAN network, where the indication message is used to indicate that the terminal opens the WLAN function and accesses the WLAN network indicated by the WLAN network identification information.
  • the traffic data that needs to be offloaded is directly offloaded to the accessed WLAN network for transmission.
  • the device may further include: an updating module, configured to establish or update a correspondence between the related information of the terminal and the WLAN network identification information by using at least one of the following manners: a background configuration, an update according to the scanning situation, and an access
  • the point controller AC is updated and updated according to the result of the report of the terminal.
  • the result reported by the terminal includes the WLAN network identification information of the WLAN network that can be accessed by the terminal scan.
  • the terminal when the terminal needs to perform the data service, the terminal sends an indication message to the terminal to trigger the WLAN function on the terminal side to open to access the WLAN network, and then the data can be offloaded to the WLAN network, so that when the data service needs to be performed, Turn on the WLAN function instead of always turning on the WLAN function, so you can reduce the power consumption on the terminal side and pass it when you need to divert
  • the WLAN function is enabled, and the WLAN network can be connected in time to implement the offloading, thereby avoiding the problem that the WLAN function cannot be disconnected due to the WLAN function being opened, and the shunting effect is improved.
  • the "first,” “second,” and the like in the embodiments are used to distinguish the embodiments, and do not represent the advantages and disadvantages of the embodiments.
  • a person skilled in the art can understand that some steps of implementing the foregoing method embodiments may be performed by hardware related to program instructions, and the foregoing program may be stored in a computer readable storage medium, and when executed, the program includes the above method.
  • the foregoing storage medium includes: a medium that can store program codes, such as a ROM, a RAM, a magnetic disk, or an optical disk.

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Abstract

本发明提供一种分流数据到无线局域网的方法、终端及网络设备。该方法终端接收蜂窝网的接入网发送的指示消息,所述指示消息用于触发所述终端打开无线局域网WLAN功能并接入WLAN网络;所述终端在接入WLAN网络后将需要分流的业务数据直接通过所述WLAN网络进行传输。本发明实施例可以提高分流效果。

Description

分流数据到无线局域网的方法、 终端及网络设备 本申请要求于 2011年 6月 14日提交的, 申请号为 201110159205.0,发明名 称为 "分流数据到无线局域网的方法、 终端及网络设备" 的中国申请的优先权, 其全部内容通过引用结合在本申请中。 技术领域
本发明涉及移动通信技术,尤其涉及一种分流数据到无线局域网的方法、终 端及网络设备。
背景技术
2G/3G网络和长期演进(Long Term Evolution, LTE ) 网络随着全球数据通 信的急剧增长, 2G/3G网络和 LTE网络承受越来越大的数据通信负荷。 而无线 局域网 (Wireless Local Area network, WLAN )随着技术的进步, 能达到越来越 大的数据吞吐量, 而且 WLAN网络相对于 2G/3G/LTE网络来说, 建网筒单, 成 本低。 用户使用的很多数据业务, 比如上网沖浪, 并不需要特别高的服务质量 保证, 可以将 2G/3G/LTE网络上的部分数据流量卸载到 WLAN网络上。
现有技术中的将 2G/3G/LTE网络上的部分数据流量卸载到 WLAN网络上的 方案会使终端非常耗电, 导致终端的待机时间降低。
发明内容
本发明实施例是提供一种分流数据到无线局域网的方法、 终端及网络设 备, 以降低终端的能耗。
一方面, 提供了一种分流数据到无线局域网的方法, 包括: 终端接收蜂窝网的接入网发送的指示消息, 所述指示消息用于触发所述 终端打开无线局域网 WLAN功能并接入 WLAN网络; 所述终端在接入 WLAN网络后将需要分流的业务数据直接通过所述 WLAN 网络进行传输。
一方面, 提供了一种分流数据到无线局域网的方法, 包括:
蜂窝网的接入网判断需要将终端的业务数据分流到无线局域网 WLAN网 络, 并向所述终端发送指示消息, 所述指示消息用于指示所述终端打开 WLAN 功能并接入所述 WLAN网络, 并将需要分流的业务数据直接分流到接入的所述 WLAN网络中传输。
一方面, 提供一种终端, 包括:
接收与接入模块, 用于接收蜂窝网的接入网发送的指示消息, 所述指示 消息用于触发所述终端打开无线局域网 WLAN功能并接入 WLAN网络; 分流模块, 用于根据所述接收与接入模块接入的所述 WLAN网络, 将需要 分流的业务数据直接通过所述 WLAN网络进行传输。
一方面, 提供一种网络设备, 包括:
判断模块,用于判断需要将终端的业务数据分流到无线局域网 WLAN网 络;
指示模块, 用于根据所述判断模块判断需要将终端的业务数据分流到 WLAN网络, 向所述终端发送指示消息, 所述指示消息用于指示所述终端打开 WLAN功能并接入 WLAN网络, 并将需要分流的业务数据直接分流到接入的所 述 WLAN网络中传输。
通过上述技术方案, 终端可以在需要进行数据业务时, 接收蜂窝网的接 入网发送的指示消息,根据该指示消息可以触发终端的 WLAN功能打开以接 入 WLAN网络, 进而可以将数据分流到 WLAN网络, 实现在需要进行数据 业务时才打开 WLAN功能, 而不是始终打开 WLAN功能, 因此, 可以降低 终端的耗电量。 另外, 在需要分流时通过该指示消息触发 WLAN功能打开又 可以及时接入 WLAN网络实现分流, 避免没有打开 WLAN功能造成的不能 分流的问题, 提高分流效果。 附图说明
为了更清楚地说明本发明实施例中的技术方案, 下面将对实施例描述中所 需要使用的附图作一筒单地介绍, 显而易见地, 下面描述中的附图是本发明的 一些实施例, 对于本领域普通技术人员来讲, 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 1为本发明第一实施例的方法流程示意图; 图 2为本发明第二实施例的方法流程示意图; 图 3为本发明第三实施例的方法流程示意图; 图 4为本发明第四实施例的方法流程示意图; 图 5为本发明第五实施例的终端的结构示意图;
图 6为本发明第六实施例的网络设备的结构示意图。
具体实施方式
为使本发明实施例的目的、 技术方案和优点更加清楚, 下面将结合本发 明实施例中的附图, 对本发明实施例中的技术方案进行清楚、 完整地描述, 显然, 所描述的实施例是本发明一部分实施例, 而不是全部的实施例。 基于 本发明中的实施例, 本领域普通技术人员在没有做出创造性劳动前提下所获 得的所有其他实施例, 都属于本发明保护的范围。 本发明实施例中, 可以在终端侧和网络侧分别设置 WLAN管理模块, 终 端侧的 WLAN管理模块用于接收网络侧的 WLAN管理模块发送的指示消息, 终端侧的 WLAN管理模块在接收到该指示消息后触发终端侧的 WLAN模块 打开以接入 WLAN, 之后, 终端的应用程序或操作***可以直接通过打开的 WLAN模块将数据分流到接入的 WLAN。 采用本发明实施例的方法, 终端侧 的 WLAN模块可以在通常状态下保持关闭状态, 以降低终端侧的功耗, 而在 需要分流, 例如终端侧需要数据业务时,通过终端侧的 WLAN管理模块触发 该 WLAN模块打开以接入 WLAN,又可以及时接入 WLAN以实现分流效果。 本发明实施例中的网络侧可以具体为蜂窝网的接入网。
图 1为本发明第一实施例的方法流程示意图, 包括:
步骤 11 : 终端接收蜂窝网的接入网发送的指示消息, 所述指示消息用于 触发所述终端打开 WLAN功能并接入 WLAN网络;
其中, 可以是, 终端设备首先与网络设备建立因特网协议 (Internet Protocol, IP ) 连接, 之后通过建立的 IP连接传输该指示消息; 也可以是, 终端设备无需与网络设备建立连接, 直接采用无线资源控制
( Radio Resource Control , RRC )信令发送该指示消息。
另外, 可以进一步包括: 终端向蜂窝网的接入网发送激活分组数据协议 ( Packet Data Protocol , PDP )上下文消息, 以便所述蜂窝网的接入网获知所 述终端需要进行数据业务并确定所述终端具有接入 WLAN的能力; 或者, 与 蜂窝网的接入网建立承载并在所述建立的承载上进行业务数据的传输, 以便 所述蜂窝网的接入网获知终端需要进行数据业务并确定所述终端具有接入 WLAN的能力。 其中, 该数据业务包括但不限于语音业务、 上网业务。
上述的指示信息可以为所述蜂窝网的接入网获知所述终端需要进行数据 业务并确定所述终端具有接入 WLAN的能力的情况发送的。
再者, 蜂窝网的接入网可以采用如下方式确定终端是否能接入 WLAN , 例如, 蜂窝网的接入网根据***配置或者终端上报等会获知终端周边是否存 在可用的 WLAN网络, 当存在可用的 WLAN网络时, 则表明能接入 WLAN 网络。 或者, 如果需要蜂窝网的接入网向终端下发接入的 WLAN网络的 WLAN网络标识信息, 则蜂窝网的接入网可以根据配置的终端的相关信息与 WLAN网络标识信息的对应关系判断终端是否能接入 WLAN及对应的能接 入的 WLAN网络的 WLAN网络标识信息, 该终端的相关信息可以至少包括 终端的位置信息。 例如, 终端上报自身的位置信息, 蜂窝网的接入网如果在 配置的对应关系中能够查找到该位置信息对应的 WLAN网络标识信息,则确 定出能接入 WLAN网络,并且能够确定出能接入的 WLAN网络的 WLAN网 络标识信息。
另外,该指示消息中可以不携带指示终端接入的 WLAN网络的网络标识 信息, 此时, 终端在接收到该指示消息后, 可以采用自身的应用程序选择接 入的 WLAN网络,例如, 目前各种主流的操作***都能 4艮好地提供对 WLAN 网络和 2G/3G/LTE网络的管理, 比如说,微软的 windows mobile操作***和 RIM操作***,提供了一个连接管理器,封装了对 WLAN网络和 2G/3G/LTE 网络的管理。 应用程序只需要调用连接管理器提供的应用程序编程接口 ( Application Programming Interface , API ) , 连接管理器就能自动的选择 WLAN网络或者 2G/3G/LTE网络来建立连接。 对于 android和苹果的 iOS操 作***来说, 也能提供 WLAN网络和 2G/3G/LTE网络的管理, 不同的是, 其操作***能够通知应用程序 WLAN网络和 2G/3G/LTE网络的状态, 然后 由应用程序选择合适的连接。
或者,该指示消息中也可以携带指示终端接入的 WLAN网络的网络标识 信息,例如,该指示消息中携带一个或多个月良务集标识( Service Set Identifier, SSID ) 和 /或一个或多个频道号 (channel ) , 之后, 终端根据该 SSID和 /或 频道号接入对应的 WLAN网络。 其中, SSID为 WLAN网络的标识, 可以指 示需要接入的 WLAN网络, 频道号表明接入该 SSID对于的 WLAN网络采 用的频点。
步骤 12: 所述终端在接入 WLAN网络后将需要分流的业务数据直接通 过所述 WLAN网络进行传输。
进一步地, 一个实施例中, 上述的指示信息是由终端的应用层模块接收 的, 即, 终端的 WLAN管理模块接收的, 该 WLAN管理模块位于应用层。 之后,终端的应用程序或操作***在所述 WLAN功能打开后,将所述需要分 流的业务数据直接发送给打开的 WLAN功能对应的物理层 WLAN模块, 以 通过所述 WLAN网络进行传输。
其中, WLAN管理模块接收到指示消息后, 可以触发 WLAN功能对应 的 WLAN模块打开, 例如, 终端中的 WLAN管理模块接收到指示消息后, 向终端中的 WLAN模块发送触发消息, 以触发 WLAN模块打开, 并接入 WLAN网络。 该 WLAN模块可以为位于物理层的模块。
另外,操作***是会获知 WLAN模块是否打开的,如果由操作***控制 分流, 则操作***在获知 WLAN模块打开后, 可以通过操作***与 WLAN 模块之间的接口将需要分流的数据发送给 WLAN模块, 并经由 WLAN网络 传输。 如果由应用程序控制分流, 则操作***在获知 WLAN模块打开后, 发 送消息给应用程序,告知应用程序 WLAN模块已打开,之后应用程序可以通 过应用程序与 WLAN模块之间的接口将需要分流的数据发送给 WLAN模块, 并经由 WLAN网络传输。 相反地, 如果分流判断是 LTE模块进行的, 则操 作***(或应用程序 )与 WLAN模块是不存在数据传输接口的,操作***(或 应用程序 ) 都要将数据发送给 LTE模块, 由 LTE模块确定是从 LTE网络中 传输, 还是经由 LTE模块与 WLAN模块之间的接口在 WLAN网络中传输。 本发明实施例不需要 LTE模块控制 WLAN模块, 因此, LTE模块与 WLAN 模块之间可以不需要接口。
另外, 本实施例还可以包括关闭 WLAN模块的步骤, 例如, 还包括: 终 所述 WLAN网络上没有进行数据传输的时间达到设定的时间,所述终端关闭 所述终端的 WLAN功能。
本实施例通过在需要进行数据业务时, 接收网络侧发送的指示消息, 根 据该指示消息可以触发 WLAN功能打开以接入 WLAN网络, 进而可以将数 据分流到 WLAN网络, 实现在需要进行数据业务时才打开 WLAN功能, 而 不是始终打开 WLAN功能, 因此, 可以降低终端侧的耗电量, 并且在需要分 流时通过该指示消息触发 WLAN功能打开又可以及时接入 WLAN网络实现 分流, 避免没有打开 WLAN功能造成的不能分流的问题, 提高分流效果。
进一步地, 如果是 LTE网络将传输的数据分流到 WLAN传输, 则是终 端的应用程序或操作***将数据发送给底层的 LTE模块, 由 LTE模块进行 判断是否分流, 如果需要分流, 则 LTE模块触发 WLAN模块打开, 这种方 式下需要对 LTE模块进行改进, 使其不仅具有 LTE网络传输功能, 还要具 体判断及触发功能。 而本发明实施例中, 由 WLAN管理模块进行上述判断及 触发, 该 WLAN管理模块位于应用层, 可以采用软件实现。 在 WLAN功能 打开后, 由终端的应用程序或操作***直接通过其与 WLAN模块的接口,发 送需要分流的数据给打开的 WLAN模块, 并不需要经过 LTE模块再进行分 流。 这样就可以避免对底层模块 LTE模块的改变, 例如, 可以不改变 LTE 模块, 只要 LTE模块具有 LTE网络传输功能即可, 不需要增加判断及触发 功能。
需要说明的是, 上述的接入 WLAN网络的含义可以包括接入、 鉴权、 获 得 IP地址整个完整过程。 其中, WLAN网络可以是与未接入 WLAN网络时 传输数据的移动网无关的网络, 因此本发明实施例中, UE在接入 WLAN网 络时获取的 IP地址可以与未接入 WLAN网络时获取的 IP地址不同。相对照 地, 如果由 LTE模块进行分流处理, UE在接入 WLAN时将依旧采用接入 LTE网络时采用的 IP地址作为源地址。
图 2为本发明第二实施例的方法流程示意图, 包括:
步骤 21 : 蜂窝网的接入网判断需要将终端的业务数据分流到 WLAN网 络;
可选地, 还包括: 蜂窝网的接入网接收终端发送的 PDP上下文消息, 以 指示所述终端需要进行数据业务并确定所述终端具有接入 WLAN的能力;或 者, 蜂窝网的接入网与终端建立承载并在所述建立的承载上进行业务数据的 传输, 以便所述蜂窝网的接入网获知终端需要进行数据业务并确定所述终端 具有接入 WLAN的能力。
步骤 22: 蜂窝网的接入网向所述终端发送指示消息, 所述指示消息用于 指示所述终端打开 WLAN功能并接入所述 WLAN网络, 并将需要分流的业 务数据直接分流到接入的 WLAN网络中传输。 可选地, 该指示消息可以由终端的应用层接收并使得终端的应用程序或 操作***将需要分流的业务数据直接发送给位于物理层的 WLAN模块,以分 流到接入的 WLAN网络中传输。
可选地, 该指示消息为所述蜂窝网的接入网获知所述终端需要进行数据 业务并确定所述终端具有接入 WLAN的能力发送的。
其中, 如第一实施例中所述, 该指示消息中可以不携带指示终端接入的 WLAN网络的网络标识信息, 也可以携带指示终端接入的 WLAN网络的网 络标识信息, 例如 SSID和 /或频道号。 其中, 蜂窝网的接入网可以根据预设 的终端的相关信息与 WLAN网络的网络标识信息的对应关系以及终端上报 的自身的终端的相关信息, 确定对应的 WLAN网络的网络标识信息。 其中, 终端的相关信息至少包括终端的位置信息, 以终端的相关信息为终端位置信 息和终端类型, WLAN网络的网络标识信息为 SSID为例, 蜂窝网的接入网 中保存的对应关系可以如表 1所示:
表 1
Figure imgf000010_0001
根据表 1 , 如果终端上报的位置信息为 celll , 终端类型为***的用 户但不属于特定用户, 则蜂窝网的接入网得到的 SSID为 SSID1。
另外, 上述的对应关系可以更新, 可以至少采用如下方式之一进行建立 或更新: 方式一, 后台配置, 例如进行人工配置以及更新; 方式二, 在网络 侧安装用于扫描 WLAN网络的模块, 根据扫描结果进行更新, 例如, 该用于 扫描的模块扫描到 celll周边存在 WLAN1和 WLAN2, 则网络设备可以将 celll对应的 SSID更新为 WLAN1对应的 SSID1和 WLAN2对应的 SSID2; 方式三, 根据接入点控制器 ( Access Controller, AC ) 的管理进行更新, 其 中, AC是用于管理 WLAN网络的设备, 当某一位置对应的 WLAN网络有 所改变时, AC是可以获知的, 因此网络设备可以从 AC处进行相应更新; 方 式四, 根据终端的上报结果进行更新, 例如, 终端通过扫描可以获知能够接 入的 WLAN网络的 WLAN网络标识信息, 之后可以将该能够接入的 WLAN 网络的 WLAN网络标识信息通知给蜂窝网的接入网,蜂窝网的接入网可以据 此进行更新。
本实施例通过在获知终端需要进行数据业务时, 向终端发送指示消息, 以触发终端侧的 WLAN功能打开以接入 WLAN网络, 进而可以将数据分流 到 WLAN网络, 实现在需要进行数据业务时才打开 WLAN功能, 而不是始 终打开 WLAN功能, 因此, 可以降低终端侧的耗电量, 并且在需要分流时通 过该指示消息触发 WLAN功能打开又可以及时接入 WLAN网络实现分流, 避免没有打开 WLAN功能造成的不能分流的问题, 提高分流效果。
图 3为本发明第三实施例的方法流程示意图, 本实施例以终端侧与网络 侧建立连接来进行消息交互为例。 另外, 本实施例中, 终端以用户设备(User Equipment, UE ) , 网络设备以无线网络控制器 ( Radio Network Controller , RNC ) 为例, 当然, 网络设备也可以为基站 (eNodeB ) 、 基站控制器
( Base Station Controller, BSC ) 等。
参见图 3 , 本实施例包括: 步骤 31 : UE在需要进行数据业务时, 发起与 RNC的激活 PDP上下文 过程。
通过激活 PDP上下文网络侧可以获知 UE需要进行数据业务, 进而可以 获知 UE可能需要分流, 之后, 网络侧可以下发指示 UE打开 WLAN模块的 消息。
步骤 32: UE与 RNC建立连接。
其中, 在激活 PDP上下文后, UE可以获取一个 IP地址, 之后, UE中 的 WLAN管理模块可以将该 IP地址作为源 IP地址发起与 RNC中的 WLAN 管理模块间的连接建立过程。 该建立的连接可以为传输控制协议
( Transport Control Protocol, TCP ) 连接或者用户数据包协议
( User Datagram Protocol , UDP ) 连接。
或者, UE也可以另外激活一个 PDP上下文获取 IP地址, 采用该重新激 活的 PDP上下文获取的 IP地址作为源 IP地址发起上述的连接。
或者, UE也可以采用设定的源 IP地址发起上述的连接, 例如该设定的 源地址为 192.168.0.2。
另外, 在上述建立连接的过程中, 目的 IP地址可以为一个设定的值, 例 如 192.168.0.1。 UE采用上述方式获取的源 IP地址以及该设定的目的 IP地址 向 RNC传输上行 IP包, 如果 RNC判断出该 IP包的目的地址为设定的目的 IP地址后, 将该 IP包转发给网络侧 WLAN管理模块, 以建立连接。 另外, RNC也可以根据目的 IP地址以及目的端口号进行判断, 例如, 目的 IP地址 为该设定的目的地址以及目的端口号为设定的端口号后,将该 IP包转发给网 络侧的 WLAN管理模块以建立连接。 步骤 33: RNC根据设定的对应关系, 确定与 UE对应的 WLAN网络的 WLAN网络标识信息。
例如, UE与 RNC建立连接后, UE可以将自身的相关信息发送给 RNC, 例如, 通知 RNC自身的位置信息以及类型。 之后, RNC可以采用表 1所示 的对应关系, 确定对应的 SSID。
当然, 本实施例以 RNC指示 UE接入的 WLAN网络为例, 也可以不进 行指示, 此时, 则不需要确定 WLAN网络的 WLAN网络标识信息。
步骤 34: RNC向 UE发送指示消息, 该指示消息中携带 WLAN网络的 WLAN网络标识信息。
例如, 根据对应关系确定出 SSID和 /或频道号后, 将该 SSID和 /或频道 号携带在指示消息中发送给 UE。
当然, 如果不需要网络侧指示接入的 WLAN, 则该指示消息中也可以不 携带 WLAN网络的 WLAN网络标识信息。
步骤 35: UE触发 WLAN模块打开, 并接入该 WLAN网络标识信息对 应的 WLAN网络。
例如, UE中的 WLAN管理模块接收到该指示消息后,触发 WLAN模块 打开, 之后, 根据该指示消息中的 WLAN网络的网络标识信息接入对应的 WLAN网络。
步骤 36: UE将数据分流到接入的 WLAN网络中传输。
需要说明的是, 该分流是直接通过应用程序或操作***进行, 而不需要 由底层的模块 (如 LTE模块) 进行控制, 以避免对现有芯片改动。
步骤 37: UE检测到 WLAN网络中没有数据传输的时间达到设定的时间 后, 则关闭 WLAN模块。
本实施例通过在需要进行数据业务时, 接收网络侧发送的指示消息, 根 据该指示消息可以触发 WLAN模块打开以接入 WLAN网络, 进而可以将数 据分流到 WLAN网络, 实现在需要进行数据业务时才打开 WLAN模块, 而 不是始终打开 WLAN模块, 因此, 可以降低终端侧的耗电量, 并且在需要分 流时通过该指示消息触发 WLAN模块打开又可以及时接入 WLAN网络实现 分流, 避免没有打开 WLAN模块造成的不能分流的问题, 提高分流效果。
图 4为本发明第四实施例的方法流程示意图, 本实施例以 1^上>¾信息 以更新网络侧保存的上述对应关系为例。 参见图 4, 本实施例包括:
步骤 41 : RNC向 UE发送用于指示进行扫描的消息。
步骤 42: UE进行扫描。
例如, UE中的 WLAN模块打开并扫描周边存在的 WLAN, 例如, 扫描 出可以使用的 WLAN为 WLAN1和 WLAN2。
步骤 43: UE向 RNC上>¾扫描结果。
例如, 将 WLAN1对应的 SSID1和 WLAN2对应的 SSID2上报给 RNC。 步骤 44: RNC更新 UE的相关信息与 WLAN网络的 WLAN网络标识信 息的对应关系。
例如,如果 UE的位置信息为 celll ,则将 celll对应的 SSID更新为 SSID1 和 SSID2。 之后, 再获知 UE需要进行数据业务时, 将 SSID1和 SSID2发送 给 UE。 如果 UE获取到多于一个的 WLAN信息, 则可以根据设定的策略进 行选择接入, 例如, 随机选择或者采用优先级选择其中之一, 或者将数据分 流到多于一个的 WLAN网络中传输。 上述以 UE接收到 RNC的用于指示扫描的消息后进行扫描为例,也可以 是, UE在根据 RNC下发的 WLAN网络标识信息不能接入对应的 WLAN网 络后进行扫描并发送给 RNC, 例如, RNC下发 SSID1 , 但是, UE无法找到 SSID1对应的 WLAN网络时进行扫描及上报, 触发 RNC更新对应关系。
本实施例在上述实施例的基础上还可以实现对应关系的更新, 避免 UE 不能接入 WLAN网络, 进一步提高分流效果。
图 5为本发明第五实施例的终端的结构示意图, 包括接收与接入模块 51 和分流模块 52; 接收与接入模块 51用于接收蜂窝网的接入网发送的指示消 息, 所述指示消息用于触发所述终端打开 WLAN功能并接入 WLAN网络; 分流模块 52用于根据所述接收与接入模块接入的所述 WLAN网络, 将需要 分流的业务数据直接通过所述 WLAN网络进行传输。
一个实施例中, 还可以包括: 通知模块, 用于向蜂窝网的接入网发送激 活 PDP上下文消息,以便所述蜂窝网的接入网确定所述终端需要进行数据业 务并确定所述终端具有接入 WLAN的能力; 所述接收与接入模块 51具体用 于接收蜂窝网的接入网根据所述蜂窝网的接入网确定的所述终端需要进行数 据业务并且所述终端具有接入 WLAN的能力的情况发送的所述指示消息。或 者,
一个实施例中, 还可以包括: 承载建立模块, 承载建立模块用于与蜂窝 网的接入网建立承载并在建立的承载上进行业务数据的传输, 以便所述蜂窝 网的接入网获知终端需要进行数据业务并确定所述终端具有接入 WLAN的 能力;所述接收与接入模块 51具体用于接收蜂窝网的接入网根据所述蜂窝网 的接入网确定所述终端需要进行数据业务并且所述终端具有接入 WLAN的 能力的情况发送的所述指示消息。
可选地,所述接收与接入模块 51具体用于建立与所述蜂窝网的接入网的 IP连接, 通过所述建立的 IP连接接收所述指示消息; 或者, 通过与所述蜂 窝网的接入网的 RRC连接, 接收所述指示消息。
一个实施例中, 所述指示消息中携带所述终端接入的 WLAN网络的 WLAN网络标识信息, 所述终端还包括发送模块, 所述发送模块用于向蜂窝 网的接入网发送终端的相关信息, 以便所述网络侧根据所述终端的相关信息 与 WLAN网络标识信息的对应关系确定所述终端接入的 WLAN网络以及所 述 WLAN网络的 WLAN网络标识信息, 所述终端的相关信息包括终端的位 置信息。
还可以包括: 扫描模块和上报模块; 扫描模块用于接收到蜂窝网的接入 网发送的用于指示对 WLAN网络进行扫描的消息或者所述接收与接入模块 接入 WLAN网络失败后, 扫描能够接入的 WLAN网络; 上报模块用于将所 述扫描模块扫描到的能够接入的 WLAN网络的 WLAN网络标识信息发送给 所述蜂窝网的接入网,以便所述蜂窝网的接入网根据所述 WLAN网络标识信 息建立或者更新终端的相关信息与 WLAN网络标识信息的对应关系。
还可以包括: 检测模块,检测模块用于检测所述终端通过所述 WLAN网 络进行数据传输的情况,如果所述终端在所述 WLAN网络上没有进行数据传 输的时间达到设定的时间, 所述终端关闭所述终端的 WLAN功能。
一个实施例中, 该接收模块可以位于应用层, 该分流模块可以包括: 应 用程序或操作***, 以及位于物理层的与所述 WLAN功能对应的 WLAN模 块; 所述应用程序或操作***用于在所述 WLAN功能打开后,将所述需要分 流的业务数据直接发送给所述 WLAN模块;所述 WLAN模块用于接入 WLAN 网络, 并将所述需要分流的业务数据在所述 WLAN网络中传输。
本实施例通过在需要进行数据业务时, 接收网络侧发送的指示消息, 根 据该指示消息可以触发 WLAN功能打开以接入 WLAN网络, 进而可以将数 据分流到 WLAN网络, 实现在需要进行数据业务时才打开 WLAN功能, 而 不是始终打开 WLAN功能, 因此, 可以降低终端侧的耗电量, 并且在需要分 流时通过该指示消息触发 WLAN功能打开又可以及时接入 WLAN网络实现 分流, 避免没有打开 WLAN功能造成的不能分流的问题, 提高分流效果。
图 6为本发明第六实施例的网络设备的结构示意图, 包括判断模块 61 和指示模块 62; 判断模块 61用于判断需要将终端的业务数据分流到 WLAN 网络;指示模块 62用于根据所述判断模块判断需要将终端的业务数据分流到 WLAN网络, 向所述终端发送指示消息, 所述指示消息用于指示所述终端打 开 WLAN功能并接入 WLAN网络, 并将需要分流的业务数据直接分流到接 入的所述 WLAN网络中传输。
可选地, 该指示消息可以由终端的应用层接收并使得终端的应用程序或 操作***将需要分流的业务数据直接发送给位于物理层的 WLAN模块,以分 流到接入的 WLAN网络中传输。
一个实施例中, 本设备还可以包括: 确定模块, 用于根据终端发送的激 活分组数据协议 PDP上下文消息确定所述终端需要进行数据业务并且所述 终端具有接入 WLAN的能力; 或者,根据与终端建立的承载并且在所述建立 的承载上有业务数据的传输确定所述终端需要进行数据业务, 并且确定所述 终端具有接入 WLAN的能力;所述指示模块具体用于根据所述确定模块确定 的所述终端需要进行数据业务并且所述终端具有接入 WLAN的能力发送所 述指示消息。
一个实施例中, 本设备还可以包括: 接收模块, 所述接收模块用于接收 所述终端发送的终端的相关信息,根据所述终端的相关信息与 WLAN网络标 识信息的对应关系确定所述终端接入的 WLAN网络以及所述 WLAN网络的 WLAN网络标识信息, 所述终端的相关信息包括终端的位置信息; 所述指示 模块具体用于根据所述判断模块判断需要将终端的业务数据分流到 WLAN 网络, 向所述终端发送 7 载有所述 WLAN网络的 WLAN网络标识信息的指 示消息,所述指示消息用于指示所述终端打开 WLAN功能并接入所述 WLAN 网络标识信息指示的 WLAN网络,并将需要分流的业务数据直接分流到接入 的 WLAN网络中传输。
一个实施例中, 本设备还可以包括: 更新模块, 用于通过如下方式中的 至少一种建立或更新终端的相关信息与 WLAN网络标识信息的对应关系:后 台配置、 根据扫描情况更新、 接入点控制器 AC更新、 根据终端的上报结果 更新, 所述终端上报的结果包括终端扫描确定的能够接入的 WLAN网络的 WLAN网络标识信息。
关于上述设备的其他结构和功能可以参见上述方法实施例, 在此不再赘 述。
本实施例通过在获知终端需要进行数据业务时, 向终端发送指示消息, 以触发终端侧的 WLAN功能打开以接入 WLAN网络, 进而可以将数据分流 到 WLAN网络, 实现在需要进行数据业务时才打开 WLAN功能, 而不是始 终打开 WLAN功能, 因此, 可以降低终端侧的耗电量, 并且在需要分流时通 过该指示消息触发 WLAN功能打开又可以及时接入 WLAN网络实现分流, 避免没有打开 WLAN功能造成的不能分流的问题, 提高分流效果。
述实施例中的 "第一,, 、 "第二,, 等是用于区分各实施例, 而并不代表各实 施例的优劣。 本领域普通技术人员可以理解: 实现上述方法实施例的部分步骤可以通 过程序指令相关的硬件来完成, 前述的程序可以存储于计算机可读取存储介 质中, 该程序在执行时, 执行包括上述方法实施例的步骤; 而前述的存储介 质包括: ROM、 RAM, 磁碟或者光盘等各种可以存储程序代码的介质。
最后应说明的是: 以上实施例仅用以说明本发明的技术方案, 而非对其限 制; 尽管参照前述实施例对本发明进行了详细的说明, 本领域的普通技术人员 应当理解: 其依然可以对前述各实施例所记载的技术方案进行修改, 或者对其 中部分技术特征进行等同替换; 而这些修改或者替换, 并不使相应技术方案的 本质脱离本发明各实施例技术方案的精神和范围。

Claims

权利要求书
1、 一种分流数据到无线局域网的方法, 其特征在于, 包括:
终端接收蜂窝网的接入网发送的指示消息, 所述指示消息用于触发所述 终端打开无线局域网 WLAN功能并接入 WLAN网络; 所述终端在接入 WLAN网络后将需要分流的业务数据直接通过所述 WLAN网络进行传输。
2、 根据权利要求 1所述的方法, 其特征在于, 还包括:
终端向蜂窝网的接入网发送激活分组数据协议 PDP上下文消息,以便所 述蜂窝网的接入网确定所述终端需要进行数据业务并且所述终端具有接入 WLAN的能力;
所述终端接收蜂窝网的接入网发送的指示消息, 包括:
所述终端接收蜂窝网的接入网根据确定的所述终端需要进行数据业务并 且所述终端具有接入 WLAN的能力的情况发送的所述指示消息。
3、 根据权利要求 1所述的方法, 其特征在于, 还包括:
终端与蜂窝网的接入网建立承载并在建立的承载上进行业务数据的传 输, 以便所述蜂窝网的接入网确定所述终端需要进行数据业务并且所述终端 具有接入 WLAN的能力;
所述终端接收蜂窝网的接入网发送的指示消息, 包括:
所述终端接收蜂窝网的接入网根据确定的所述终端需要进行数据业务并 且所述终端具有接入 WLAN的能力的情况发送的所述指示消息。
4、 根据权利要求 1所述的方法, 其特征在于, 所述终端接收蜂窝网的接 入网发送的指示消息, 包括: 建立与所述蜂窝网的接入网的因特网协议 IP连接, 通过所述建立的 IP 连接接收所述指示消息;
或者,
通过与所述蜂窝网的接入网的无线资源控制 RRC连接,接收所述指示消
5、 根据权利要求 4所述的方法, 其特征在于, 所述建立与所述蜂窝网的 接入网的 IP连接, 包括:
采用激活 PDP上下文后得到的 IP地址作为所述终端的源地址, 向所述 蜂窝网的接入网发送用于建立 IP连接的报文, 以建立与所述网络侧的 IP连 接, 所述用于建立 IP连接的报文的目的地址为设置的目的 IP地址和 /或所述 用于建立 IP连接的报文的目的端口号为设置的目的端口号;
或者,
采用设置的源地址, 向所述蜂窝网的接入网发送用于建立 IP连接的报 文, 以建立与所述蜂窝网的接入网的 IP连接, 所述用于建立 IP连接的报文 的目的地址为设置的目的 IP地址和 /或所述用于建立 IP连接的报文的目的端 口号为设置的目的端口号。
6、 根据权利要求 1所述的方法, 其特征在于, 所述指示消息中携带所述 终端接入的 WLAN网络的 WLAN网络标识信息。
7、 根据权利要求 6所述的方法, 其特征在于, 所述方法还包括: 所述终端向蜂窝网的接入网发送终端的相关信息, 以便所述网络侧根据 所述终端的相关信息与 WLAN网络标识信息的对应关系确定所述终端接入 的 WLAN网络以及所述 WLAN网络的 WLAN网络标识信息,所述终端的相 关信息包括终端的位置信息。
8、 根据权利要求 7所述的方法, 其特征在于,
所述位置信息包括所述终端所在小区的 ID或者所述终端所在的经度纬 度信息;
和 /或,
所述 WLAN网络的 WLAN网络标识信息包括: 一个或多个月良务集标识 SSID和 /或至少一个频道号。
9、 根据权利要求 7所述的方法, 其特征在于, 还包括:
所述终端接收到网络侧发送的用于指示对 WLAN网络进行扫描的消息 或者所述终端接入 WLAN失败后, 扫描能够接入的 WLAN网络;
所述终端将扫描得到的能够接入的 WLAN网络的 WLAN网络标识信息 发送给所述蜂窝网的接入网,以便所述蜂窝网的接入网根据所述 WLAN网络 标识信息建立或者更新终端的相关信息与 WLAN网络标识信息的对应关系。
10、 根据权利要求 1所述的方法, 其特征在于, 还包括:
所述终端检测所述终端通过所述 WLAN网络进行数据传输的情况,如果 所述终端在所述 WLAN上没有进行数据传输的时间达到设定的时间,所述终 端关闭所述终端的 WLAN功能。
11、根据权利要求 1-10任一项所述的方法,其特征在于,所述接入 WLAN 网络包括: 获取所述终端的 IP地址, 将所述 IP地址作为所述终端在所述 WLAN网络进行数据传输的源地址, 其中, 所述获取的 IP地址与未接入 WLAN网络时传输数据采用的源 IP地址不同。
12、 根据权利要求 1-10任一项所述的方法, 其特征在于, 所述终端接收蜂窝网的接入网发送的指示消息, 包括:
终端的应用层模块接收蜂窝网的接入网发送的指示消息;
所述终端在接入 WLAN网络后将需要分流的业务数据直接通过所述 WLAN网络进行传输, 包括:
终端的应用程序或操作***在所述 WLAN功能打开后,将所述需要分流 的业务数据直接发送给打开的 WLAN功能对应的 WLAN物理层模块, 以使 得由所述 WLAN物理层模块将所述需要分流的业务数据通过所述 WLAN网 络进行传输。
13、 一种分流数据到无线局域网的方法, 其特征在于, 包括:
蜂窝网的接入网判断需要将终端的业务数据分流到无线局域网 WLAN 网络, 并向所述终端发送指示消息, 所述指示消息用于指示所述终端打开 WLAN功能并接入所述 WLAN网络, 并将需要分流的业务数据直接分流到 接入的所述 WLAN网络中传输。
14、 根据权利要求 13所述的方法, 其特征在于, 还包括:
蜂窝网的接入网接收所述终端发送的激活分组数据协议 PDP上下文消 息,根据所述激活 PDP上下文消息确定所述终端需要进行数据业务并且所述 终端具有接入 WLAN的能力;
所述蜂窝网的接入网判断需要将终端的业务数据分流到 WLAN网络,包 括:
所述蜂窝网的接入网根据所述终端需要进行数据业务并且所述终端具有 接入 WLAN的能力判断需要将终端的业务数据分流到 WLAN网络。
15、 根据权利要求 13所述的方法, 其特征在于, 还包括: 蜂窝网的接入网与终端建立承载并在建立的承载上进行业务数据的传输 以确定所述终端需要进行数据业务, 并确定所述终端具有接入 WLAN的能 力;
所述蜂窝网的接入网判断需要将终端的业务数据分流到 WLAN网络,包 括:
所述蜂窝网的接入网根据所述终端需要进行数据业务并且所述终端具有 接入 WLAN的能力, 发送所述指示消息。
16、 根据权利要求 13所述的方法, 其特征在于, 所述向所述终端发送指 示消息, 包括:
建立与终端的因特网协议 IP连接,在所述 IP连接上发送所述指示消息; 或者,
通过无线资源控制 RRC连接向终端发送所述指示消息。
17、 根据权利要求 13所述的方法, 其特征在于, 还包括:
蜂窝网的接入网通过如下方式中的至少一种建立或更新终端的相关信息 与 WLAN网络标识信息的对应关系: 根据后台配置的情况、根据终端对网络 进行扫描的结果、 根据接入点控制器 AC更新的情况、 以及根据终端上报的 结果; 所述终端的相关信息包括所述终端的位置信息, 所述终端上报的结果 包括终端扫描确定的能够接入的 WLAN网络的 WLAN网络标识信息。
18、 根据权利要求 13所述的方法, 其特征在于, 所述方法还包括: 接收所述终端发送的终端的相关信息, 以便根据所述终端的相关信息与
WLAN网络标识信息的对应关系确定所述终端接入的 WLAN网络以及所述 WLAN网络的 WLAN网络标识信息, 所述终端的相关信息包括终端的位置 信息;
所述向所述终端发送指示消息, 所述指示消息用于指示所述终端打开
WLAN功能, 以便所述终端接收到所述指示消息后接入 WLAN网络, 包括: 将所述 WLAN网络的 WLAN网络标识信息? 载在所述指示消息中, 所 述指示消息用于指示所述终端打开 WLAN功能,以便所述终端接收到所述指 示消息后接入所述 WLAN网络标识信息指示的 WLAN网络。
19、 一种终端, 其特征在于, 包括:
接收与接入模块, 用于接收蜂窝网的接入网发送的指示消息, 所述指示 消息用于触发所述终端打开无线局域网 WLAN功能并接入 WLAN网络; 分流模块,用于根据所述接收与接入模块接入的所述 WLAN网络,将需 要分流的业务数据直接通过所述 WLAN网络进行传输。
20、 根据权利要求 19所述的终端, 其特征在于, 还包括: 通知模块, 所述通知模块,用于向蜂窝网的接入网发送激活分组数据协议 PDP上下 文消息, 以便所述蜂窝网的接入网确定所述终端需要进行数据业务并确定所 述终端具有接入 WLAN的能力;
所述接收与接入模块, 具体用于接收蜂窝网的接入网根据所述蜂窝网的 接入网确定的所述终端需要进行数据业务并且所述终端具有接入 WLAN的 能力的情况发送的所述指示消息。
21、根据权利要求 19所述的终端,其特征在于,还包括: 承载建立模块, 所述承载建立模块, 用于与蜂窝网的接入网建立承载并在建立的承载上 进行业务数据的传输, 以便所述蜂窝网的接入网获知终端需要进行数据业务 并确定所述终端具有接入 WLAN的能力; 所述接收与接入模块, 具体用于接收蜂窝网的接入网根据所述蜂窝网的 接入网确定的所述终端需要进行数据业务并且所述终端具有接入 WLAN的 能力的情况发送的所述指示消息。
22、 根据权利要求 19所述的终端, 其特征在于,
所述接收与接入模块, 具体用于建立与所述蜂窝网的接入网的因特网协 议 IP连接, 通过所述建立的 IP连接接收所述指示消息; 或者, 通过与所述 蜂窝网的接入网的无线资源控制 RRC连接, 接收所述指示消息。
23、 根据权利要求 19所述的终端, 其特征在于, 所述指示消息中携带所 述终端接入的 WLAN网络的 WLAN网络标识信息, 所述终端还包括: 发送 模块,
所述发送模块, 用于向蜂窝网的接入网发送终端的相关信息, 以便所述 网络侧根据所述终端的相关信息与 WLAN网络标识信息的对应关系确定所 述终端接入的 WLAN网络以及所述 WLAN网络的 WLAN网络标识信息,所 述终端的相关信息包括终端的位置信息。
24、 根据权利要求 19所述的终端, 其特征在于, 还包括:
扫描模块,用于接收到蜂窝网的接入网发送的用于指示对 WLAN网络进 行扫描的消息或者所述接收与接入模块接入 WLAN网络失败后,扫描能够接 入的 WLAN网络;
上报模块, 用于将所述扫描模块扫描到的能够接入的 WLAN网络的 WLAN网络标识信息发送给所述蜂窝网的接入网, 以便所述蜂窝网的接入网 根据所述 WLAN网络标识信息建立或者更新终端的相关信息与 WLAN网络 标识信息的对应关系。
25、 根据权利要求 19所述的终端, 其特征在于, 还包括:
检测模块, 用于检测所述终端通过所述 WLAN网络进行数据传输的情 况,如果所述终端在所述 WLAN网络上没有进行数据传输的时间达到设定的 时间, 所述终端关闭所述终端的 WLAN功能。
26、 根据权利要求 19所述的终端, 其特征在于,
所述接收与接入模块位于应用层;
所述分流模块包括: 应用程序或操作***, 以及位于物理层的与所述 WLAN功能对应的 WLAN模块;
所述应用程序或操作***用于在所述 WLAN功能打开后,将所述需要分 流的业务数据直接发送给所述 WLAN模块;
所述 WLAN模块用于将所述需要分流的业务数据通过所述 WLAN网络 进行传输。
27、 一种网络设备, 其特征在于, 包括:
判断模块,用于判断需要将终端的业务数据分流到无线局域网 WLAN网 络;
指示模块, 用于根据所述判断模块判断需要将终端的业务数据分流到 WLAN网络, 向所述终端发送指示消息, 所述指示消息用于指示所述终端打 开 WLAN功能并接入 WLAN网络, 并将需要分流的业务数据直接分流到接 入的所述 WLAN网络中传输。
28、 根据权利要求 27所述的设备, 其特征在于, 还包括:
确定模块,用于根据终端发送的激活分组数据协议 PDP上下文消息确定 所述终端需要进行数据业务并且所述终端具有接入 WLAN的能力; 或者,根 据与终端建立的承载并且在所述建立的承载上有业务数据的传输确定所述终 端需要进行数据业务, 并且确定所述终端具有接入 WLAN的能力;
所述指示模块, 具体用于根据所述确定模块确定的所述终端需要进行数 据业务并且所述终端具有接入 WLAN的能力发送所述指示消息。
29、 根据权利要求 27或 28所述的设备, 其特征在于, 还包括: 接收模 块,
所述接收模块, 用于接收所述终端发送的终端的相关信息, 根据所述终 端的相关信息与 WLAN网络标识信息的对应关系确定所述终端接入的 WLAN网络以及所述 WLAN网络的 WLAN网络标识信息, 所述终端的相关 信息包括终端的位置信息;
所述指示模块, 具体用于根据所述判断模块判断需要将终端的业务数据分流到 WLAN网络, 向所述终端发送承载有所述 WLAN网络的 WLAN网络标识信息 的指示消息, 所述指示消息用于指示所述终端打开 WLAN功能并接入所述 WLAN网络标识信息指示的 WLAN网络,并将需要分流的业务数据直接分流到 接入的 WLAN网络中传输。
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