CN102098798A - Method and device for realizing selective Internet protocol (IP) traffic offload - Google Patents
Method and device for realizing selective Internet protocol (IP) traffic offload Download PDFInfo
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Abstract
The invention discloses a method for realizing selective Internet protocol (IP) traffic offload, which is used for realizing the transmission of selective IP traffic offload (SIPTO) per IP flow granularity. The method comprises the following steps that: after a control node in a core network receives a connection request sent by a terminal, when the control node in the core network determines to activate the SIPTO per IP flow, the control node in the core network sends the indication that the terminal resends the connection request to the same access point name (APN) after the current connection establishment is finished to the terminal through first network attached storage (NAS) information; and after the control node in the core network receives the connection request again, a local gateway associated with a femtocell is selected for the terminal, and a traffic flow template (TFT) corresponding to the offloaded traffic is sent to the terminal through second NAS information. The invention also discloses a device for realizing the method.
Description
Technical field
The present invention relates to the communications field, particularly relate to the implementation method and the device of selectivity IP data distribution.
Background technology
SIPTO (Selective IP Traffic Offload, selectivity IP (Internet Protocol) data distribution) technology is that a kind of permission core net is a UE (subscriber equipment, or for MS (portable terminal)) thus select one to make a part of data of UE directly enter the technology of PDN (Packet Data Network, packet data network) by this gateway apart from the nearest gateway of its access point.SIPTO sets up in the process in the PDN connection and activates, and is specifically judged whether to activate SIPTO according to subscription data and carrier policy etc. by core network control node.The PDN technology is applicable to third generation communication system (3G) and Long Term Evolution (LTE) system, and PDN connects and is called PDP Context (Packet Data Protocol context, block data protocol context) in the 3G system.
Present 3GPP (3G (Third Generation) Moblie technology) Release 10 (version 10, R10) the SIPTO technology in stage is only at macro base station, at per (whenever) APN (Access Point Name, APN) realizes on the granularity, judge by core network control node an IP connects whether can activate SIPTO, be specially: when the terminal request connection is set up, whether core network control node can activate SIPTO according to the APN of subscription data interpretation request, if signatory the permission, and the configuration data of core network control node allows this APN is carried out SIPTO, then select apart from the nearer gateway of its access point, to obtain short user plane path for terminal.
In the R11 stage, the granularity that requires the SIPTO strategy can be the per IP Flow Class (every IP stream class) under arbitrary APN, or the per IP Flow Class under the specific APN.Yet prior art does not still have the solution that realizes SIPTO on perIP flow (every IP stream) granularity.
Summary of the invention
The embodiment of the invention provides a kind of implementation method and device of selectivity IP data distribution, is used to realize the SIPTO transmission of per IP stream (flow) granularity.
A kind of implementation method of selectivity IP data distribution is applied to network side, may further comprise the steps:
After core network control node is received the connection request of terminal transmission, when decision activates the SIPTO of every the Internet protocol flows per IP flow, send indication by a NAS message to terminal, indicating terminal sends connection request once more to identical APN APN after current connection foundation is finished;
After core network control node is received connection request once more, be the local gateway of terminal selection Home eNodeB association, and will be sent to terminal by streamed data corresponding service flow template TFT by the 2nd NAS message.
The implementation method of a kind of selectivity IP data distribution SIPTO is applied to end side, may further comprise the steps:
After terminal sends connection request, by the indication of NAS message sink core network control node transmission;
Terminal once more sends connection request to identical APN APN according to the indication of receiving after current connection foundation is finished;
After terminal sends connection request once more, by the 2nd NAS message sink core network control node send by streamed data corresponding service flow template TFT.
A kind of core network control node equipment comprises:
Interface module, after being used to receive the connection request of terminal transmission, when decision activates the SIPTO of every the Internet protocol flows perIP flow, send indication by a NAS message to terminal, indicating terminal sends connection request once more to identical APN APN after current connection foundation is finished;
Control module after being used for receiving connection request once more, for terminal is selected the local gateway of Home eNodeB association, and indicates interface module will be sent to terminal by streamed data corresponding service flow template TFT by the 2nd NAS message.
A kind of terminal equipment comprises:
Receiver module is after being used to send connection request, by the indication of NAS message sink core network control node transmission;
Sending module is used for according to the indication of receiving, after current connection foundation is finished identical APN APN is sent connection request once more;
Receiver module also be used for by the 2nd NAS message sink core network control node send by streamed data corresponding service flow template TFT.
Core network control node forces terminal to send connection request once more by sending indication to terminal in the embodiment of the invention, when receiving connection request once more, for this terminal is selected local gateway, so that activate SIPTO, and to terminal transmission TFT (Traffic Flow Template, traffic flow template), so that realize the SIPTO transmission of per IP flow granularity.
Description of drawings
Fig. 1 is the network side implementation method flow chart of SIPTO in the embodiment of the invention;
Fig. 2 is the end side implementation method flow chart of SIPTO in the embodiment of the invention;
Fig. 3 is the detailed implementation method flow chart of SIPTO in the embodiment of the invention;
Fig. 4 is a method flow diagram of realizing SIPTO in the embodiment of the invention by MME;
Fig. 5 is a method flow diagram of realizing SIPTO in the embodiment of the invention by SGSN;
Fig. 6 is the primary structure figure of core network control node equipment in the embodiment of the invention;
Fig. 7 is the detailed structure view of core network control node equipment in the embodiment of the invention;
Fig. 8 is the structure chart of terminal equipment in the embodiment of the invention.
Embodiment
Core network control node forces terminal to send connection request once more by sending indication to terminal in the embodiment of the invention, when receiving connection request once more, for this terminal is selected local gateway, so that activate SIPTO, and to terminal transmission TFT (Traffic Flow Template, traffic flow template), so that realize the SIPTO transmission of per IP flow granularity.
Referring to Fig. 1, the network side implementation method flow process of SIPTO is as follows in the present embodiment:
Step 101: after core network control node is received the connection request of terminal transmission, when decision activates the SIPTO of per IPflow, send indication by a NAS (Non-Access Stratum) message to terminal, indicating terminal sends connection request once more to identical APN (APN) after current connection foundation is finished.
Step 102: after core network control node is received connection request once more, be the local gateway of terminal selection Home eNodeB association, and will be sent to terminal by the TFT of streamed data correspondence by the 2nd NAS message.
Relative with network side, terminal need receive indication and TFT, and the implementation procedure to end side is introduced below.
Referring to Fig. 2, the end side implementation method flow process of SIPTO is as follows in the present embodiment:
Step 201: after terminal sends connection request, by the indication of NAS message sink core network control node transmission.
Step 202: terminal once more sends connection request to identical APN according to the indication of receiving after current connection foundation is finished.
Step 203: terminal by the 2nd NAS message sink core network control node send by the TFT of streamed data correspondence.
Below in conjunction with end side and network side, introduce the implementation procedure of SIPTO in detail.
Referring to Fig. 3, the detailed implementation method flow process of SIPTO is as follows in the present embodiment:
Step 301: terminal sends connection request.
Step 302: core network control node judges whether to activate the SIPTO of per IP flow, if then continue step 303, otherwise handle according to prior art according to the SIPTO strategy of strategy of the SIPTO in the subscription data of terminal or local configuration.For example, the SIPTO strategy in the subscription data of core network control node inquiry terminal finds that the APN of request allows SIPTO and subscription data to comprise by the TFT of streamed data correspondence, and then decision activates the SIPTO of per IP flow.Perhaps, core network control node is inquired about the SIPTO strategy of local configuration, finds that requirement has the SIPTO of all necessary per of the employing IP of data (as the HTTP data) flow of special characteristic, and then decision activates the SIPTO of per IP flow.
Step 303: core network control node judges whether the current sub-district of terminal is home base station cells, if then continue step 304, otherwise handle according to prior art.How to judge whether home base station cells belongs to prior art to current area, no longer describe in detail in the present embodiment.
Wherein, the execution sequence between the step 302 and 303 does not have strict demand.
Step 304: core network control node sends indication by a NAS message to terminal, and indicating terminal sends connection request once more to identical APN after current connection foundation is finished.
Core network control node waits for that for fear of indefinite duration terminal sends connection request once more, perhaps still sends connection request once more for distinguishing terminal sends connection request first, can start timer after sending indication.
Step 305: terminal once more sends connection request to identical APN according to the indication of receiving after current connection foundation is finished.
When core network control node was received connection request before timer expiry, the step below continuing was if receive connection request, according to receiving the connection request processing first behind the timer expiry.
Step 306: after core network control node is received connection request once more, select the local gateway of Home eNodeB association for terminal.
Step 307: core network control node will be sent to terminal by the TFT of streamed data correspondence by the 2nd NAS message.
In different networks, core network control node can be different entity, as is Mobility Management Entity (MME) or service GPRS (GPRS) support node (SGSN).Because the entity difference so the implementation procedure of SIPTO is also slightly different, is introduced in detail below by two embodiment.
Referring to Fig. 4, realize that by MME the method flow of SIPTO is as follows in the present embodiment:
Step 401:UE (subscriber equipment) sends packet data network connection request (PDN ConnectivityRequest) message.
Step 402:MME judges whether to activate the SIPTO of per IP flow, if then continue step 403, otherwise handle according to prior art according to the SIPTO strategy of strategy of the SIPTO in the subscription data of terminal or local configuration.
Step 403:MME judges whether the current sub-district of terminal is home base station cells, if then continue step 404, otherwise handle according to prior art.
Wherein, step 402 and 403 does not have strict the execution successively.
Step 404:MME sets up the inner carrying of core net.This process comprises: MME sends to gateway (Serving GW) and creates conversation request (Create Session Request) message; Serving GW transmits Create Session Request message to PDN GW (grouped data network gateway); PDN GW and PCRF (policy control and charging rule functions) carry out IP-CAN Sessionestablishment/modification (session of IP user's Access Network is set up or revised); Afterwards, PDN GW sends to Serving GW and creates conversational response (Create Session Response) message; Serving GW is transmitted to MME with Create Session Response.
Step 405:MME sends a NAS message that carries indication (indication) to UE.A NAS message can be specially and activate acquiescence evolved packet system bearer context request (ACTIVATE DEFAULT EPS BEARER CONTEXT REQUEST) message in the present embodiment.Wherein, ACTIVATE DEFAULT EPS BEARER CONTEXT REQUEST message can be carried on MME in carrying foundation request (Bearer SetupRequest) message that Home eNodeB (as family's evolution base station (HeNB)) sends.HeNB can bring UE with ACTIVATE DEFAULT EPS BEARERCONTEXT REQUEST message by RRC (Radio Resource control) connection reconstruction (RRCConnection Reconfiguration) message.And, described indication can realize by the value of expanding the information unit of expression cause value in the NAS message, the ESM cause (the session management reason of EPS (evolved packet system) system) that for example expands in the ACTIVATE DEFAULTEPS BEARER CONTEXT REQUEST message realizes, the value that promptly increases reason is represented the indication in the present embodiment.
Step 406:MME and UE set up the carrying of eating dishes without rice or wine with the S1 interface, promptly connect.This process comprises: UE sends the RRC connection reconstruction to HeNB and finishes (RRC Connection ReconfigurationComplete) message; HeNB sends carrying to MME and sets up response (Bearer Setup Response) message; UE sends to HeNB and directly shifts (Direct Transfer) message; HeNB sends the PDN connection to MME and finishes (PDN Connectivity Complete) message; MME sends to Serving GW and revises carrying request (Modify Bearer Request) message; Serving GW transmits Modify Bearer Request message to PDN GW; PDN GW returns to Serving GW and revises carrying response (Modify Bearer Response) message; MME sends notice request (Notify Request) message to HSS; HSS returns push-notification-answer (Notify Response) message to MME.Wherein, S1 is the interface between Access Network and the core net.
Step 407:UE sends PDN Connectivity Request message once more according to indication.
Step 408:MME is the local gateway that UE selects the Home eNodeB association, and connects.
Step 409:MME sends the 2nd NAS message of the TFT that carries the streamed data correspondence to UE.The 2nd NAS message can be specially and revise evolved packet system bearer context request (MODIFY EPS BEARER CONTEXT REQUEST) message in the present embodiment.
Referring to Fig. 5, realize that by SGSN the method flow of SIPTO is as follows in the present embodiment:
Step 501:MS (portable terminal) sends to SGSN by wireless access network (RAN) and activates packet data protocol context request (Activate PDP Context Request) message, sets up IP with request and connects.
Step 502:SGSN judges whether to activate the SIPTO of per IP flow, if then continue step 503, otherwise handle according to prior art according to the SIPTO strategy of strategy of the SIPTO in the subscription data of terminal or local configuration.
Step 503:SGSN judges whether the current sub-district of terminal is home base station cells, if then continue step 504, otherwise handle according to prior art.
Wherein, step 502 and 503 does not have strict the execution successively.
Step 504:SGSN sets up the inner carrying of core net.This process comprises: SGSN sends to GGSN (Gateway GPRS Support Node, Gateway GPRS Support Node) and creates PDP (PacketData Protocol, packet data protocol) context request (Create PDP Context Request) message; GGSN returns to SGSN and creates PDP Context response (Create PDP Context Response) message; SGSN sends RAB by RAN to MS and sets up (Radio Access Bearer Setup) message; SGSN sends to start to RAN and follows the tracks of (Invoke Trace) message; SGSN sends to GGSN and upgrades PDP Context request (Update PDP Context Request) message; GGSN returns to SGSN and upgrades PDP Context response (Update PDP Context Response) message.
Step 505:SGSN sends a NAS message that carries indication to MS.A NAS message can be specially and activate block data protocol context acceptance (Activate PDP ContextAccept) message in the present embodiment.Wherein, described indication can realize by the value of expanding the information unit of expression cause value in the NAS message, for example realize that the value that promptly increases reason is represented the indication in the present embodiment by the SM cause (session management reason) in the expansion Activate PDP Context Accept message.
Step 506:SGSN and MS set up carrying, promptly connect.
Step 507:MS sends Activate PDP Context Request message once more according to indication.
Step 508:SGSN is the local gateway that MS selects the Home eNodeB association, and connects.
Step 509:SGSN sends the 2nd NAS message of the TFT that carries the streamed data correspondence to MS.The 2nd NAS message can be specially and revise block data protocol context (MODIFY PDPContext) message in the present embodiment.
Understood the implementation procedure of SIPTO by above description, this process mainly realizes that by core network control node and terminal internal structure and the function at these two equipment is introduced below.
Referring to Fig. 6, core network control node equipment comprises in the present embodiment: interface module 601 and control module 602.Core network control node equipment can be MME or SGSN etc.
Interface module 601, be connected with miscellaneous equipment, be used to receive and dispatch various message, as after receiving the connection request of terminal transmission, when decision activates the SIPTO of every the Internet protocol flows per IP flow, send indication by a NAS message to terminal, indicating terminal sends connection request once more to identical APN APN after current connection foundation is finished.
After control module 602 is used for receiving connection request once more,, and indicate interface module will be sent to terminal by streamed data corresponding service flow template TFT by the 2nd NAS message for terminal is selected the local gateway of Home eNodeB association.
Core network control node equipment also comprises: judge module 603, and referring to shown in Figure 7.Judge module 603 is used for judging whether to activate the SIPTO of every the Internet protocol flows per IP flow according to the SIPTO strategy of the subscription data of terminal or the SIPTO strategy of local configuration.Judge module 603 is used to also judge whether the current sub-district of terminal is home base station cells.Interface module 601 sends indication to terminal when being judged as home base station cells.
Interface module 601 also is used for starting the timer (this figure is not shown) in the core network control node equipment after terminal sends indication.Control module 602 is received connection request once more before timer expiry after, select the local gateway of Home eNodeB association for terminal.
Situation one: core network control node equipment is Mobility Management Entity MME.Described connection request is a packet data network PDN connection request.At this moment, interface module 601 sends indication by a NAS message to terminal.A NAS message can be specially and activate acquiescence evolved packet system bearer context request (ACTIVATE DEFAULT EPS BEARER CONTEXT REQUEST) message in the present embodiment.Control module 602 indication interface modules 601 will be sent to terminal by the TFT of streamed data correspondence by the 2nd NAS message.The 2nd NAS message can be specially and revise evolved packet system bearer context request (MODIFY EPS BEARER CONTEXT REQUEST) message in the present embodiment
Situation two: core network control node equipment is Serving GPRS Support Node SGSN.Described connection request is for activating packet data protocol context request (Activate PDP Context Request).Interface module 601 sends indication by a NAS message to terminal.A NAS message can be specially and activate block data protocol context acceptance (Activate PDP Context Accept) message in the present embodiment.Control module 602 indication interface modules 601 will be sent to terminal by the TFT of streamed data correspondence by the 2nd NAS message.The 2nd NAS message can be specially and revise block data protocol context (MODIFYPDP Context) message in the present embodiment.
Referring to Fig. 8, terminal equipment comprises in the present embodiment: receiver module 801 and sending module 802.Receiver module 801 and sending module 802 can belong to same interface.Terminal equipment can be specially UE or MS.
Sending module 802 is used to send various message, as according to the indication of receiving, after current connection foundation is finished identical APN (APN) is sent connection request once more.
After receiver module 801 also is used for sending connection request once more, by the 2nd NAS message sink core network control node send by streamed data corresponding service flow template (TFT).
At situation one: core network control node is Mobility Management Entity (MME).Described connection request is packet data network (PDN) connection request.Receiver module 801 receives the indication that MME sends by a NAS message.A NAS message can be specially and activate acquiescence evolved packet system bearer context request (ACTIVATE DEFAULT EPS BEARER CONTEXT REQUEST) message in the present embodiment.Receiver module 801 is by the 2nd NAS message, receive that MME sends by streamed data corresponding service flow template (TFT).The 2nd NAS message can be specially and revise evolved packet system bearer context request (MODIFY EPS BEARER CONTEXT REQUEST) message in the present embodiment.
At situation two: core network control node is Serving GPRS Support Node (SGSN).Described connection request is for activating packet data protocol context request (Activate PDP Context Request).Receiver module 801 receives the indication that SGSN sends by a NAS message.A NAS message can be specially and activate block data protocol context acceptance (Activate PDP Context Accept) message in the present embodiment.Receiver module 801 is by the 2nd NAS message, receive that SGSN sends by (TFT) of streamed data correspondence.The 2nd NAS message can be specially and revise block data protocol context (MODIFY PDPContext) message in the present embodiment.
Core network control node forces terminal to send connection request once more by sending indication to terminal in the embodiment of the invention, when receiving connection request once more, for this terminal is selected local gateway, so that activate SIPTO, and to terminal transmission TFT (Traffic Flow Template, traffic flow template), so that realize the SIPTO transmission of per IP flow granularity.The embodiment of the invention also avoids core network control node to wait for the connection request that terminal sends once more indefinite duration by timer, and perhaps coming distinguishing terminal with this is to send connection request first or once more.And at different networks, core network control node may be different entity, and the embodiment of the invention provides the implementation of different SIPTO, to satisfy the demand of diverse network.
Those skilled in the art should understand that embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt complete hardware embodiment, complete software implementation example or in conjunction with the form of the embodiment of software and hardware aspect.And the present invention can adopt the form that goes up the computer program of implementing in one or more computer-usable storage medium (including but not limited to magnetic disc store and optical memory etc.) that wherein include computer usable program code.
The present invention is that reference is described according to the flow chart and/or the block diagram of method, equipment (system) and the computer program of the embodiment of the invention.Should understand can be by the flow process in each flow process in computer program instructions realization flow figure and/or the block diagram and/or square frame and flow chart and/or the block diagram and/or the combination of square frame.Can provide these computer program instructions to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, make the instruction of carrying out by the processor of computer or other programmable data processing device produce to be used for the device of the function that is implemented in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame appointments.
These computer program instructions also can be stored in energy vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work, make the instruction that is stored in this computer-readable memory produce the manufacture that comprises command device, this command device is implemented in the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
These computer program instructions also can be loaded on computer or other programmable data processing device, make on computer or other programmable devices and to carry out the sequence of operations step producing computer implemented processing, thereby the instruction of carrying out on computer or other programmable devices is provided for being implemented in the step of the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (18)
1. the implementation method of a selectivity IP data distribution SIPTO is characterized in that, may further comprise the steps:
After core network control node is received the connection request of terminal transmission, when decision activates the SIPTO of every the Internet protocol flows per IP flow, send indication by a NAS message to terminal, indicating terminal sends connection request once more to identical APN APN after current connection foundation is finished;
After core network control node is received connection request once more, be the local gateway of terminal selection Home eNodeB association, and will be sent to terminal by streamed data corresponding service flow template TFT by the 2nd NAS message.
2. the method for claim 1, it is characterized in that, core network control node is before terminal sends indication, also comprise step: core network control node judges whether to activate the SIPTO of every the Internet protocol flows per IP flow according to the SIPTO strategy of strategy of the SIPTO in the subscription data of terminal or local configuration.
3. the method for claim 1 is characterized in that, core network control node is before terminal sends indication, and also comprise step: core network control node judges whether the current sub-district of terminal is home base station cells;
Core network control node comprises to the step that terminal sends indication: when being judged as home base station cells, core network control node sends indication to terminal.
4. the method for claim 1 is characterized in that, core network control node also comprises step after terminal sends indication: start timer;
After core network control node is received connection request once more, select the step of the local gateway of Home eNodeB association for terminal and comprise: core network control node is received connection request once more before timer expiry after, select the local gateway of Home eNodeB association for terminal.
5. as each described method in the claim 1 to 4, it is characterized in that core network control node is Mobility Management Entity MME or Serving GPRS Support Node SGSN.
6. the method for claim 1 is characterized in that, described being designated as: represent described indication by the cause value information unit value of expanding in the NAS message.
7. the implementation method of a selectivity IP data distribution SIPTO is characterized in that, may further comprise the steps:
After terminal sends connection request, by the indication of NAS message sink core network control node transmission;
Terminal once more sends connection request to identical APN APN according to the indication of receiving after current connection foundation is finished;
After terminal sends connection request once more, by the 2nd NAS message sink core network control node send by streamed data corresponding service flow template TFT.
8. method as claimed in claim 7 is characterized in that, core network control node is Mobility Management Entity MME or Serving GPRS Support Node SGSN.
9. method as claimed in claim 7 is characterized in that, described being designated as: represent described indication by the cause value information unit value of expanding in the NAS message.
10. a core network control node equipment is characterized in that, comprising:
Interface module, after being used to receive the connection request of terminal transmission, when decision activates the SIPTO of every the Internet protocol flows perIP flow, send indication by a NAS message to terminal, indicating terminal sends connection request once more to identical APN APN after current connection foundation is finished;
Control module after being used for receiving connection request once more, for terminal is selected the local gateway of Home eNodeB association, and indicates interface module will be sent to terminal by streamed data corresponding service flow template TFT by the 2nd NAS message.
11. core network control node equipment as claimed in claim 10, it is characterized in that, also comprise: judge module, be used for SIPTO strategy or the local SIPTO strategy that disposes according to the subscription data of terminal, judge whether to activate the SIPTO of every the Internet protocol flows per IP flow.
12. core network control node equipment as claimed in claim 10 is characterized in that, also comprises: judge module is used to judge whether the current sub-district of terminal is home base station cells;
Interface module sends indication to terminal when being judged as home base station cells.
13. core network control node equipment as claimed in claim 10 is characterized in that, interface module also is used for starting the timer in the core network control node equipment after terminal sends indication;
Control module is received connection request once more before timer expiry after, select the local gateway of Home eNodeB association for terminal.
14., it is characterized in that core network control node equipment is Mobility Management Entity MME or Serving GPRS Support Node SGSN as each described core network control node equipment in the claim 10 to 13.
15. core network control node equipment as claimed in claim 10 is characterized in that, described being designated as: represent described indication by the cause value information unit value of expanding in the NAS message.
16. a terminal equipment is characterized in that, comprising:
Receiver module is after being used to send connection request, by the indication of NAS message sink core network control node transmission;
Sending module is used for according to the indication of receiving, after current connection foundation is finished identical APN APN is sent connection request once more;
Receiver module also be used for by the 2nd NAS message sink core network control node send by streamed data corresponding service flow template TFT.
17. terminal equipment as claimed in claim 16 is characterized in that, core network control node is Mobility Management Entity MME or Serving GPRS Support Node SGSN.
18. terminal equipment as claimed in claim 16 is characterized in that, described being designated as: represent described indication by the cause value information unit value of expanding in the NAS message.
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| US9693275B2 (en) | 2011-06-18 | 2017-06-27 | Lg Electronics Inc. | Traffic offload via local network |
| CN103621123A (en) * | 2011-06-18 | 2014-03-05 | Lg电子株式会社 | Traffic offload via local network |
| US10492116B2 (en) | 2011-06-18 | 2019-11-26 | Lg Electronics Inc. | Traffic offload via local network |
| US9642031B2 (en) | 2011-07-20 | 2017-05-02 | Huawei Technologies Co., Ltd. | Data offload method and user equipment |
| CN103024926A (en) * | 2011-09-22 | 2013-04-03 | 华为技术有限公司 | Method and device for creating load |
| CN103024926B (en) * | 2011-09-22 | 2015-05-27 | 华为技术有限公司 | Method and device for creating load |
| CN102421146B (en) * | 2011-11-29 | 2014-12-10 | 中兴通讯股份有限公司 | Method and device for realizing carrier service distribution |
| CN102421146A (en) * | 2011-11-29 | 2012-04-18 | 中兴通讯股份有限公司 | Method and device for realizing carrier service distribution |
| CN105432117A (en) * | 2013-07-26 | 2016-03-23 | 高通股份有限公司 | Techniques for selected internet protocol traffic offload support at an assisting enodeB |
| CN105432117B (en) * | 2013-07-26 | 2019-08-27 | 高通股份有限公司 | For assisting the selected Internet protocol traffic at evolved B node to unload the technology supported |
| US9980176B2 (en) | 2014-03-27 | 2018-05-22 | Huawei Technologies Co., Ltd. | Data offloading method and base station |
| WO2015143655A1 (en) * | 2014-03-27 | 2015-10-01 | 华为技术有限公司 | Data distribution method and base station |
| US10602404B2 (en) | 2014-03-27 | 2020-03-24 | Huawei Technologies Co., Ltd. | Data offloading method and base station |
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|---|---|
| CN102098798B (en) | 2014-04-02 |
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