CN103716788B

CN103716788B - Local unloading data access control and charging policy method and device, system

Info

Publication number: CN103716788B
Application number: CN201210375259.5A
Authority: CN
Inventors: 张爱琴; 闫学霞; 刘海
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2012-09-29
Filing date: 2012-09-29
Publication date: 2017-08-18
Anticipated expiration: 2032-09-29
Also published as: CN103716788A

Abstract

The embodiment of the invention discloses a kind of local unloading data access control and charging policy method and device, system, mobile terminal is applied particularly to not by the scene on the basis of fixed network entity authentication by the local unloading data access of fixed network node progress, including：Policy control entity obtains the fixed network access mark of mobile terminal；Accessed and identified according to the fixed network, the control of local unloading data access and charging policy by the mobile terminal are sent to the fixed network access and identify corresponding fixed network node, so that the fixed network node is controlled and charging policy according to the local unloading data access of the mobile terminal, the control of local unloading data access is carried out to the mobile terminal；Solve the problem of policy control entity can not be reasonably controlled the local unloading data flow of mobile terminal in existing local unloading data access control and charging method.

Description

Local unloading data access control and charging policy method and device, system

Technical field

The present embodiments relate to communication technical field, more particularly to a kind of local unloading data access control and charging plan Omit method and device, system.

Background technology

In the prior art, fixed network node can not be authenticated to mobile terminal, be distributed directly to mobile terminal one Local ip address, mobile terminal carries out IP routes according to the IP address of acquisition, passes through the PS numbers of fixed network node access to mobile network According to for example, enhanced packet-based core networks（Enhanced Packet Core, EPC）Access, mobile terminal can also pass through fixed network Node carries out the access of local unloading data, for example, WLAN（Wirelsss LAN, WLAN）Local unloading data （Non-seamles Wirelsss LAN Offload, NSWO）Access.

Local unloading data access is directly carried out by fixed network node based on existing be not authenticated to mobile terminal Controlling mechanism, due to communication connection can not be set up between the policy control entity of fixed network node and mobile terminal network side, So as to which the policy control entity for the network side for causing mobile terminal can not be carried out rationally to the local unloading data flow of mobile terminal Control, so that the service quality of the local unloading data flow of mobile terminal can not be ensured.

The content of the invention

The embodiment of the present invention provides a kind of local unloading data access control and charging method and device, system, to solve The control of local unloading data access is directly carried out by fixed network node certainly based on existing be not authenticated to mobile terminal Mechanism, due to communication connection can not be set up between fixed network node and the policy control entity of network side, so as to cause mobile whole The policy control entity of the network side at end can not be reasonably controlled the local unloading data flow of mobile terminal, so that can not The problem of ensureing the service quality of local unloading data flow of mobile terminal.

In a first aspect, the embodiments of the invention provide a kind of local unloading data access control and charging policy method, tool Body is applied to mobile terminal not by carrying out local unloading data by the fixed network node on the basis of fixed network entity authentication The scene of access, including：

Policy control entity obtains the fixed network access mark of mobile terminal；

Accessed and identified according to the fixed network, the control of local unloading data access and charging policy by the mobile terminal are sent out Give the fixed network access mark corresponding fixed network node, so that local unloading of the fixed network node according to the mobile terminal Data access is controlled and charging policy, and the control of local unloading data access is carried out to the mobile terminal.

The local unloading data access control and charging policy include but is not limited to trigger the fixed network node close or Locally unloading data access or the triggering fixed network node are opened at least one in local unloading data access charging.

In the first possible implementation, the policy control entity obtains the fixed network access mark of mobile terminal, Including：

The policy control entity sets up grouped data network PDN by Packet Data Network's PDN Gateway and the mobile terminal Connection；

Receive the fixed network access mark that the mobile terminal is sent by the PDN Gateway.

Based on the first possible implementation, in second of possible implementation, accessed and marked according to the fixed network Know, it is corresponding that the control of local unloading data access and charging policy by the mobile terminal are sent to the fixed network access mark Fixed network node, including：

The policy control entity is accessed according to the fixed network and identified, fixed network node corresponding with fixed network access mark Set up the communication connection for including but is not limited to gateway control session and/or IP connected reference BlueDramas；

The communication connection that the control of local unloading data access and charging policy by the mobile terminal pass through the foundation It is sent to the fixed network node.

The policy control entity includes but is not limited to "Policy and Charging Rules Function PCRF entities or offline charging center At least one of in OFCS or online charging center OCS.

Based on first and second kinds of possible implementations, in the third possible implementation, if the strategy control Entity processed is "Policy and Charging Rules Function PCRF entities；

Then accessed and identified according to the fixed network, the control of local unloading data access and charging policy by the mobile terminal The corresponding fixed network node of the fixed network access mark is sent to, is specifically included：

The PCRF entities are accessed according to the fixed network of acquisition and identified, and the corresponding fixed network node of fixed network access mark is built Vertical gateway control session, the fixed network node is sent to by the mark of the mobile terminal by the gateway control session, with The fixed network node is set to select the another of network side according to the mark of the mobile terminal and the APN APN locally unloaded One policy control entity PCRF_1, sets up IP with the policy control entity PCRF_1 of the selection and is connected access to network conversation, leads to The IP connections access to network conversation for crossing the foundation receives the control of local unloading data access and charging that the PCRF_1 is sent Strategy.

Based on first and second kinds of possible implementations, in the 4th kind of possible implementation, if the strategy control Entity processed is "Policy and Charging Rules Function PCRF entities；

The PCRF entities are accessed according to the fixed network of acquisition and identified, and the corresponding fixed network node of fixed network access mark is built Vertical gateway control session, the control of local unloading data access and charging policy by the mobile terminal connect access network by IP Network session is sent to the fixed network node.

Based on first and second kinds of possible implementations, in the 5th kind of possible implementation, if the strategy control Entity processed is offline charging center OFCS or online charging center OCS；

The OCS/OFCS is accessed according to the fixed network of acquisition and identified, and determines the corresponding fixed network section of the fixed network access mark Point；

Described move is sent to the fixed network node by the Gy/Gz interfaces between the OCS/OFCS and the fixed network node The local unloading data access control of dynamic terminal and charging policy.

Based on the 5th kind of possible implementation, in the 6th kind of possible implementation, by the OCS/OFCS and Gy/Gz interfaces between the fixed network node send the local unloading data access control of the mobile terminal to the fixed network node Also include before system and charging policy：

The OCS/OFCS obtains the stream description information of the local unloading data flow of the mobile terminal, according to the movement The stream description information of the local unloading data flow of terminal, generates and carries out charging to the local unloading data flow of the mobile terminal Charging policy.

In the 7th kind of possible implementation, the policy control entity also includes 3GPP aaa authentication servers；

Then policy control entity obtains the fixed network access mark of mobile terminal, specifically includes：

The 3GPP aaa authentications server obtains described mobile whole during the tunnel authentication to the mobile terminal The mark at end and fixed network access mark；

Accessed and identified according to the fixed network, the control of local unloading data access and charging policy by the mobile terminal are sent out Give the fixed network access mark corresponding fixed network node, specifically include：

The 3GPPAAA certificate servers obtain the control of local unloading data access and the charging plan of the mobile terminal Slightly；

The 3GPPAAA certificate servers are by STa/SWa interfaces by the local unloading data access of the mobile terminal Control and charging policy are sent to Broadband Forum BBF aaa authentication servers, so that the Broadband Forum BBF aaa authentications are serviced Local unloading data access control and charging policy of the device by the mobile terminal are sent to the fixed network node.

Second aspect, the embodiments of the invention provide a kind of local unloading data access control and charging policy method, tool Body is applied to mobile terminal not by carrying out local unloading data by the fixed network node on the basis of fixed network entity authentication The scene of access, including：

Fixed network node receives the local unloading data access control for the mobile terminal that policy control entity is sent and counted Take strategy；

According to the control of the local unloading data access of the mobile terminal and charging policy, this is carried out to the mobile terminal Ground unloads the control of data access.

In the first possible implementation, the control of local unloading data access, tool are carried out to the mobile terminal Body includes：

If the local unloading data access is controlled and charging policy closes local unloading number to trigger the fixed network node According to access, and determine that the mobile terminal has the connection of grouped data network PDN, then keep the local ip address of the mobile terminal； Or

If the local unloading data access is controlled and charging policy closes local unloading number to trigger the fixed network node According to access, and the mobile terminal does not have the connection of grouped data network PDN, then the local unloading data for closing the mobile terminal are visited Ask, and reclaim the local ip address of the mobile terminal；Or

If the local unloading data access is controlled and charging policy opens local unloading number to trigger the fixed network node According to access, then the local unloading data access of the mobile terminal is opened；Or

If the local unloading data access is controlled and charging policy is to trigger the fixed network node to local unloading data Charging is accessed, then the charge information of the local unloading data access of the triggering generation mobile terminal, the charge information is sent out Give network side charging entity so that the network side charging entity according to the charge information to the local of the mobile terminal Unload data access and carry out charging.

Based on the first possible implementation, in second of possible implementation, fixed network node receives strategy control Before the local unloading data access control for the mobile terminal that entity processed is sent and charging policy, including：

The IP access requests that the fixed network node is sent according to the mobile terminal, local IP is distributed to the mobile terminal Address, is connected, and pass through the Packet Data Network so that the mobile terminal sets up grouped data network PDN with packet data gateway Close and fixed network access mark is sent to the policy control entity；

After the fixed network node is to mobile terminal distribution IP address, including：

The fixed network node is turned on and off the local unloading data access of the mobile terminal.

The fixed network node includes but is not limited to wideband network gateway BNG.

Based on first, second kind of possible implementation, in the third possible implementation, if the fixed network node For wideband network gateway BNG；

Fixed network node receives the local unloading data access control for the mobile terminal that policy control entity is sent and counted Take strategy, specifically include：

The BNG receives described by the gateway control session set up with "Policy and Charging Rules Function PCRF entities The mark for the mobile terminal that PCRF entities are sent；

Another strategy of network side is selected according to the mark of the mobile terminal and the APN APN locally unloaded Controlled entity PCRF_1, sets up IP with the policy control entity PCRF_1 of the selection and is connected access to network conversation, by described The IP connections access to network conversation of foundation receives the control of local unloading data access and the charging policy that the PCRF_1 is sent.

Based on first, second kind of possible implementation, in the 4th kind of possible implementation, if the fixed network node For wideband network gateway BNG；

The BNG sets up gateway control session with the PCRF entities, receives the PCRF entities and is accessed by IP connections The local unloading data access control for the mobile terminal that BlueDrama is sent and charging policy.

Based on first, second kind of possible implementation, in the 5th kind of possible implementation, if the fixed network node For wideband network gateway BNG；

The BNG receives the described mobile whole of the OCS/OFCS transmissions by the Gy/Gz interfaces between OCS/OFCS The local unloading data access control at end and charging policy.

Based on first, second kind of possible implementation, in the 6th kind of possible implementation, if the fixed network node For wideband network gateway BNG；

The BNG receives the local unloading data for the mobile terminal that Broadband Forum BBF aaa authentications server is sent Access control and charging policy, the local unloading data access of the mobile terminal is controlled and charging policy is 3GPP aaa authentications Server is sent to the Broadband Forum BBF aaa authentication servers by STa/SWa interfaces.

The third aspect, the embodiments of the invention provide a kind of policy control entity, is applied particularly to mobile terminal and does not pass through Cross on the basis of fixed network entity authentication by the local scene for unloading data access of fixed network node progress, including：

Acquisition module, the fixed network for obtaining mobile terminal accesses mark；

Sending module, on the basis of being identified in the access of the fixed network for the mobile terminal that the acquisition module is obtained, according to The fixed network access mark, the control of local unloading data access and charging policy by the mobile terminal are sent to the fixed network The corresponding fixed network node of access mark, so that the fixed network node is controlled according to the local unloading data access of the mobile terminal And charging policy, the control of local unloading data access is carried out to the mobile terminal.

Fourth aspect, the embodiments of the invention provide a kind of fixed network node, is applied particularly to mobile terminal not by solid The scene of local unloading data access is carried out on the basis of net entity authentication by the fixed network node, including：

Receiving module, the local unloading data access control of the mobile terminal for receiving policy control entity transmission And charging policy；

Control module, for the mobile terminal that is received in the receiving module the control of local unloading data access and On the basis of charging policy, according to the control of the local unloading data access of the mobile terminal and charging policy, to the movement Terminal carries out the control of local unloading data access.

5th aspect, the embodiments of the invention provide a kind of local unloading data access control and charging policy system, bag Include：Above-mentioned policy control entity and above-mentioned fixed network node.

The embodiment of the present invention is not carried out directly local in mobile terminal by the certification of fixed network node by fixed network node Under the scene for unloading data access, the fixed network of the mobile terminal obtained by the policy control entity of network side, which is accessed, to be identified, with The corresponding fixed network node of fixed network access mark, which is set up, includes but is not limited to gateway control session and/or IP connected reference BlueDramas Communication connection；The communication link that the control of local unloading data access and charging policy by the mobile terminal pass through the foundation The fixed network node is given in sending and receiving, so that fixed network node carries out the control of local unloading data access, Neng Goushi to mobile terminal The policy control entity of existing network side is reasonably controlled the local unloading data flow of mobile terminal, ensures mobile terminal The service quality of local unloading data flow.

Brief description of the drawings

In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are this hairs Some bright embodiments, for those of ordinary skill in the art, without having to pay creative labor, can be with Other accompanying drawings are obtained according to these accompanying drawings.

The control of local unloading data access and the flow of charging policy method that Fig. 1 provides for one embodiment of the invention are illustrated Figure；

The control of local unloading data access and the flow of charging policy method that Fig. 2 provides for another embodiment of the present invention are shown It is intended to；

The control of local unloading data access and the signaling of charging policy method that Fig. 3 provides for another embodiment of the present invention Figure；

The structural representation for the policy control entity that Fig. 4 provides for another embodiment of the present invention；

Another structural representation for the policy control entity that Fig. 5 provides for embodiment illustrated in fig. 4；

The structural representation for the fixed network node that Fig. 6 provides for another embodiment of the present invention；

Another structural representation for the fixed network node that Fig. 7 provides for embodiment illustrated in fig. 6.

Embodiment

To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is A part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.

The problem of being existed based on prior art, local unloading data access control provided in an embodiment of the present invention and charged party Method, the scene of local unloading data access is not carried out directly in mobile terminal by the certification of fixed network node by fixed network node Under, the fixed network of the mobile terminal obtained by the policy control entity of network side, which is accessed, to be identified, corresponding with fixed network access mark Fixed network node sets up the communication connection for including but is not limited to gateway control session and/or IP connected reference BlueDramas；Will be described The local unloading data access control of mobile terminal and charging policy are sent to the fixed network by the communication connection of the foundation Node, so that fixed network node carries out the control of local unloading data access to mobile terminal, can realize the strategy control of network side Entity processed is reasonably controlled the local unloading data flow of mobile terminal, ensures the local unloading data flow of mobile terminal Service quality.

Technical scheme, can apply to various wireless communication systems, for example：Global system for mobile communications （Global System for Mobile Communications, abbreviation GSM）, GPRS（General Packet Radio Service, abbreviation GPRS）System, CDMA（Code Division Multiple Access, letter Claim CDMA）System, CDMA2000 systems, WCDMA（Wideband Code Division Multiple Access, Abbreviation WCDMA）System, Long Term Evolution（Long Term Evolution, abbreviation LTE）System or Worldwide Interoperability for Microwave access interoperability Property（World Interoperability for Microwave Access, abbreviation WiMAX）System etc..

Fixed network node, can be wideband network gateway（Broadband Network Gateway, BNG）Or grouped data The network elements such as gateway IP Edge.

Policy control entity, can be strategy and charging rule functions（Policy and Charging Rule Function, PCRF）Entity or off-line accounting system（Offline charging System, OFCS）Center or online charging System（On-line Charging System, OCS）Or broadband policy control function（Broadband Policy Control Function, BPCF）Entity or 3GPP (Authentication Authorisation Accounting, AAA) certification clothes The network elements such as business device.

The control of local unloading data access and the schematic flow sheet of charging method that Fig. 1 provides for one embodiment of the invention； As shown in figure 1, including：

101st, policy control entity obtains the fixed network access mark of mobile terminal.

In the optional embodiment of the present invention, policy control entity obtains the fixed network access mark of mobile terminal, Including：Policy control entity passes through Packet Data Network（Packet Data Network, PDN）Gateway is set up with mobile terminal to be divided Group data network PDN connections；Receive the fixed network access mark that the mobile terminal is sent by the PDN Gateway.When implementing It can include：

The IP address that fixed network node is sent according to mobile terminal is asked, and the mobile terminal is not authenticated, directly to The mobile terminal distributes local ip address；After mobile terminal obtains IP address by fixed network node, mobile terminal can be with Access PS business, and and network side entity（Such as ePDG）The certification based on IKEv2 is completed, and is set up with network side gateway entity PDN connections, policy control entity, such as PCRF or charging center OCS are sent to by PDN Gateway by fixed network access mark.

102nd, accessed and identified according to the fixed network, the control of local unloading data access and charging plan by the mobile terminal The corresponding fixed network node of the fixed network access mark is slightly sent to, so that the fixed network node is according to the local of the mobile terminal Data access control and charging policy are unloaded, the control of local unloading data access is carried out to the mobile terminal.

In the optional embodiment of the present invention, accessed and identified according to the fixed network, by the sheet of the mobile terminal The control of ground unloading data access and charging policy are sent to the corresponding fixed network node of the fixed network access mark, including：Strategy control Entity processed is accessed according to the fixed network and identified, and fixed network node corresponding with fixed network access mark, which is set up, includes but is not limited to net Close control session（Gateway Control Session）And/or IP connected reference BlueDramas（IP-CAN session）'s Communication connection；The communication link that the control of local unloading data access and charging policy by the mobile terminal pass through the foundation Connect, such as gateway control session and/or IP connected reference BlueDramas are sent to the fixed network node.

It should be noted that policy control entity can be default to the local unloading of mobile terminal according to the control strategy of itself Data access controls charging policy, or can also be according to other network entities（Such as OCS centers）The network information of transmission, is touched Occur the local unloading data access control of paired mobile terminal and charging policy, wherein, the local unloading data of mobile terminal Access control and charging policy include but is not limited to trigger the local unloading number that the fixed network node turns off or on mobile terminal According to access or trigger the fixed network node in the local unloading data access charging of mobile terminal at least one of.Wherein, move The mark of the mobile terminal can also be carried in the local unloading data access control of dynamic terminal and charging policy.

The control of local unloading data access and the flow of charging policy method that Fig. 2 provides for another embodiment of the present invention are shown It is intended to, as shown in figure 1, including：

201st, fixed network node receives the local unloading data access control for the mobile terminal that policy control entity is sent And charging policy.

It should be noted that above-mentioned policy control entity includes but is not limited to PCRF entities or broadband policy control function （Broadband Policy Control Function, BPCF）Entity or off-line accounting system center OFCS or online charging At least one of in system OCS or 3GPP aaa authentication server.

In the optional embodiment of the present invention, before step 201, fixed network node receives the mobile terminal hair The IP address request sent, is not authenticated to the mobile terminal, local ip address is distributed directly to the mobile terminal；It is mobile Terminal can set up Packet Data Network according to the IP address with the gateway node of network side（Packet Data Network, PDN）Public data network（Public Data Network, PDN）Connection, net is sent to by PDN Gateway by fixed network access mark The policy control entity of network side, for example, PCRF-1 or BPCF entities；Marked so that policy control entity is accessed according to the fixed network Know the fixed network node for finding mobile terminal to access fixed network, for example, set up gateway control session between BNG nodes, with fixed network node （Gateway Control Session）.

Further, fixed network node is received from the gateway control meeting that policy control entity is the foundation of grouped data PS data Words, fixed network node checks whether establishes IP-CAN sessions for local unloading data, if no on fixed network node is locally to unload Carry data and set up IP-CAN sessions, fixed network node can select a suitable network side entity for local unloading data, for example Another policy control entity PCRF-2, sets up IP-CAN sessions between PCRF-2 and fixed network node.

By the gateway control session Gateway Control Session between fixed network node and PCRF-1 or pass through IP-CAN sessions between fixed network node and PCRF-2, can by the control of the local unloading data access of the mobile terminal and Charging policy is by PCRF-1（Pass through Gateway Control Session）Or PCRF-2（Pass through IP-CAN session）Hair Give the fixed network access mark corresponding fixed network node.

It should be noted that in the optional embodiment of the present invention, fixed network node is distributed to the mobile terminal After IP address, fixed network node can be turned on and off the local unloading data access of the mobile terminal.

It should be noted that the local unloading data access control of the mobile terminal and charging policy include but is not limited to The fixed network node is triggered to turn off or on the local unloading data access of mobile terminal or trigger the fixed network node to movement At least one of in the local unloading data access charging of terminal.Wherein, the local unloading data access control of the mobile terminal The mark of the mobile terminal can also be carried in system and charging policy.

202nd, according to the control of the local unloading data access of the mobile terminal and charging policy, the mobile terminal is entered The control of the local unloading data access of row.

In the optional embodiment of the present invention, fixed network node is according to the local unloading data access control and counts Take strategy, the control of local unloading data access is carried out to the mobile terminal, is specifically included：

If the local unloading data access is controlled and charging policy closes local unloading number to trigger the fixed network node According to access, and determine that the mobile terminal carries out packet switched data, then and determine that the mobile terminal has grouped data Network PDN is connected, then keeps the local ip address of mobile terminal；Or

If the local unloading data access is controlled and charging policy closes local unloading number to trigger the fixed network node According to access, and the mobile terminal does not have the connection of grouped data network PDN, then the local unloading data for closing the mobile terminal are visited Ask, and reclaim the local ip address of mobile terminal；Or

If the local unloading data access is controlled and charging policy is to trigger the fixed network node to local unloading data Charging is accessed, then generates the charge information of the local unloading data access of the mobile terminal, the charge information is sent to Network side charging entity, so that local unloading of the network side charging entity according to the charge information to the mobile terminal Data access carries out charging.

The embodiment of the present invention is not carried out directly local in mobile terminal by the certification of fixed network node by fixed network node Under the scene for unloading data access, set up by the policy control entity of fixed network node and network side and include but is not limited to gateway control Session processed and/or the communication connection of IP connected reference BlueDramas；Receive the mobile terminal that policy control entity is sent Local unloading data access control and charging policy, the control of local unloading data access is carried out to mobile terminal, can be realized The policy control entity of network side is reasonably controlled the local unloading data flow of mobile terminal, ensures the sheet of mobile terminal Ground unloads the service quality of data flow.

The control of local unloading data access and the signaling of charging policy method that Fig. 3 provides for another embodiment of the present invention Figure；As shown in figure 3, including：

301st, mobile terminal sends IP address request to fixed network node BNG.

Wherein, terminal iidentification can be included in IP address request, so that BNG determines that sending IP address asks according to terminal iidentification Whether the terminal device asked is mobile terminal.

302nd, the IP address of distribution is sent to mobile terminal by fixed network node BNG.

It should be noted that fixed network node BNG can be pre-configured with one or more ePDG being connected with mobile terminal Address, BGN is assigned with after IP address to mobile terminal, and the local data unloading that can be not turned on mobile terminal is accessed, That is, except the data packet between the mobile terminal and ePDG is in addition to can be by BNG route processings, the mobile terminal Local unloading data access will not be by BNG route processings.

Or, the local number of mobile terminal is directly opened while fixed network node BNG is assigned with IP address to mobile terminal Accessed according to unloading.

303rd, mobile terminal sets up PDN connections according to the IP address of acquisition, and the gateway entity of network side, passes through PDN nets Close and fixed network access mark is passed into policy control entity.

In the present embodiment, fixed network access mark（fix access identifier）Represent mobile terminal to access fixed network institute Fixed network node identification, for example, BNG mark.

When implementing, for example, after mobile terminal obtains IP address by fixed network node, mobile terminal can be accessed PS business, and evolution packet data gateway（Eolved Packet Data Gateway, ePDG）Complete the tunnel based on IKEv2 Road certification, after certification, the tunnel set up between mobile terminal and ePDG；By the tunnel of foundation, mobile terminal sets up access Spot net 1（Access Point Network1, APN1）Corresponding PDN connections, fixed network access mark is carried via ePDG and passed It is delivered to grouped data network gateway（Packet Data Network Gateway, PDN GW）.

PDN Gateway is according to mobile terminal identification, for example, international mobile subscriber identity（International Mobile SubscriberIdentification Number, IMSI）With APN1 information selection strategy and charging control（Policy and Charging Control, PCC）Node, such as PCRF entities, between PCRF entities setting up IP is connected access to network conversation （IP Connectivity Access Network session, IP-CAN session）, PDN Gateway passes through IP-CAN sessions Fixed network access mark is passed into PCRF entities.

Or mobile terminal identification and fixed network are accessed mark by Gy/Gz interfaces and pass to charging center by PDN Gateway OCS/OFCS, specifically, mobile terminal set up PDN with PDN Gateway and are connected, and are sent to fixed network access mark by PDN Gateway Charging center OCS/OFCS, charging center OCS/OFCS access mark according to fixed network and find corresponding fixed network node BNG, and pass through Gy/Gz interfaces between charging center OCS/OFCS and fixed network node BNG issue local unloading data access to fixed network node BNG Control and charging policy.

It should be noted that charging center OCS/OFCS by the Gy/Gz interfaces between fixed network node BNG to fixed network section Point BNG is issued before local unloading data access control and charging/charging policy, in addition to：Charging center OCS/OFCS is from PDN Gateway obtains the local unloading data flow stream description information of mobile terminal, is believed according to the local unloading data flow stream description of acquisition Breath, charging center OCS/OFCS decision-makings carry out charging to the ground unloading data flow of mobile terminal sheet.If charging center OCS/OFCS Decision-making does not carry out charging to the local unloading data of mobile terminal, then charging center OCS/OFCS will not be triggered to fixed network node BNG issues local unloading data access control and charging policy.

304th, policy control entity is accessed according to fixed network and identified, and the local unloading of mobile terminal is sent to fixed network node BNG Data access is controlled and charging policy and mobile terminal identification.

When implementing, for example, when policy control entity is PCRF entities, PCRF can be according to the control strategy of itself Or can also be according to other network bodies（Such as OCS centers）Information triggering, initiate to the local unloading data of mobile terminal Access control and charging policy, PCRF policy control entities can be triggered and broadband policy control function on S9a interfaces （Broadband Policy Control Function, BPCF）Gateway control session is set up between policy control entity, or PCRF entities directly pass through the gateway control session on the Gxd interfaces between PCRF entities and BNG（Gateway Control Session）Or IP connected reference BlueDramas（IP-CAN Session）Local unloading data access control is issued to BNG and is counted Take strategy.

It should be noted that under scene above by S9a interfaces, fixed network can be accessed and identified and mobile by PCRF entities The local unloading data access control of terminal and charging policy are carried passes to BPCF realities in the gateway control session of S9a interfaces Body, then BNG is further handed down to by the R interfaces between BPCF and BNG by BPCF entities.When implementing, when BPCF plans Slightly controlled entity receives the message of the gateway control session on the S9a interfaces from PCRF policy control entities, and BPCF can be obtained The fixed network access mark carried in the message for taking gateway control session（BNG is identified）, service quality is sent to BNG by R interfaces （Quality of Service, QoS）Authorization requests, BPCF policy control entities can be by the local unloading data of mobile terminal Access control and charging policy are carried is sent to BNG in QoS authorization requests.

In another example, when policy control entity is charging center OCS or OFCS, charging center OCS/OFCS is according to acquisition Mobile terminal mark and fixed network access mark, charging center OCS/OFCS and BNG set up the connection of online or offline charging, Charging center OCS or OFCS sends local unloading data access control and charging policy to BNG, it is desirable to which BNG is to local unloading Data flow carries out the collection of charge information, and charge information is reported into charging center OCS/OFCS.

For another example when policy control entity is 3GPPAAA certificate servers, 3GPP aaa servers can be according to itself Control strategy or can also be according to other network bodies（Such as OCS centers）Information triggering, initiate to the sheet of mobile terminal The control of ground unloading data access and charging policy, 3GPP aaa servers can be by STa/SWa interfaces to Broadband Forum BBF AAA/BBF AAA agent entitys send the control of local unloading data access and charging policy and the BNG marks of mobile terminal, BBF AAA/BBFAAA agent entitys can control the local unloading data access of mobile terminal and charging policy is sent to BNG；

When implementing, 3GPP aaa authentication servers obtain mobile terminal during the tunnel authentication to mobile terminal Mark and fixed network access mark, and can be according to itself control strategy or can also be according to other network bodies（For example OCS centers）Information triggering obtain to the control of the local unloading data access of mobile terminal and charging policy, 3GPP AAA services Local unloading data access control and charging policy of the device by STa/SWa interfaces by the mobile terminal of acquisition, which are handed down to broadband, to be discussed Altar（BBF）Aaa server；Broadband Forum（BBF）Local unloading data access control and charging plan of the aaa server by dynamic terminal Slightly it is handed down to fixed network node BNG.

It should be noted that tunnel authentication of the present invention refers to mobile terminal accessing packet data network, terminal and shifting Dynamic network node（Such as ePDG）Between the tunnel authentication based on IKEv2, this tunnel authentication success after, mobile terminal and shifting Dynamic network node（Such as ePDG）Between set up IPsec secure tunnels.

For another example when policy control entity is charging center OFCS or OCS, charging center OFCS/OCS can basis The control strategy of itself initiates the control of local unloading data access and charging policy to mobile terminal, for example, triggering BNG is to this Ground unloading data access carries out the collection of charge information.

It should be noted that when BNG supports the Gy interfaces between the Gz interfaces between OFCS, or support and OCS, meter Expense center OFCS/OCS is interacted by Gz or Gy interfaces with BNG respectively, and the local unloading data of mobile terminal are sent to BNG Access control and charging policy.

It should be noted that the control of local unloading data access and charging policy in the respective embodiments described above are included but not Be limited to triggering BNG turn off or on local unloading data access or triggering BNG in local unloading data access charging at least One.

305th, BNG is controlled and charging policy according to the local unloading data access of mobile terminal, to the local of mobile terminal Unloading data access is controlled.

When implementing, for example, being not turned on the local of mobile terminal while BNG distributes IP address to mobile terminal Data access is unloaded, if the local unloading data access for the mobile terminal that policy control entity is sent is controlled and charging policy is tactile The local unloading data access that BNG opens mobile terminal is sent out, BNG opens the local unloading data access of mobile terminal；

For another example the local unloading data access of mobile terminal is opened while BNG distributes IP address to mobile terminal, If the local unloading data access for the mobile terminal that policy control entity is sent is controlled and charging policy closes movement for triggering BNG The local unloading data access of terminal is, it is necessary to which what is illustrated is, however, it is determined that mobile terminal carries out packet switched data, then closes The local unloading data access of the mobile terminal, and keep the local ip address of mobile terminal；Or

If the local unloading data access is controlled and charging policy closes local unloading number to trigger the fixed network node According to access, and the mobile terminal does not have ongoing packet switched data, then closes the local unloading of the mobile terminal Data access, and withdraw the local ip address of mobile terminal；

If for another example the local unloading data access for the mobile terminal that policy control entity is sent is controlled and charging policy is Local unloading data access chargings of the BNG to mobile terminal is triggered, accordingly, BNG can for example be unloaded to the local of mobile terminal The flow or duration for carrying data access are counted, and generate the charge information of the local unloading data access of mobile terminal, will The charge information is sent to network side charging center, for example, charging center OFCS/OCS, so that charging center is according to the meter Charge information carries out charging to the local unloading data access of the mobile terminal.

The embodiment of the present invention is not carried out directly local in mobile terminal by the certification of fixed network node by fixed network node Under the scene for unloading data access, during mobile terminal carries out PS data services by fixed network node access to mobile network, Fixed network is accessed into policy control entity of the identification transmission to network side, for example, PCRF or OCS or OFCS, policy control entity root The node of the mobile terminal to access fixed network can be determined according to fixed network access mark, for example, BNG, so as to trigger to fixed network section Point sends the control of local unloading data access and the charging policy of mobile terminal, so that fixed network node is carried out locally to mobile terminal The control of data access is unloaded, can realize that the policy control entity of network side is carried out to the local unloading data flow of mobile terminal Rational control, ensures the service quality of the local unloading data flow of mobile terminal.

The structural representation for the policy control entity that Fig. 4 provides for another embodiment of the present invention；It is applied particularly to mobile whole Hold without the scene by carrying out local unloading data access on the basis of fixed network entity authentication by the fixed network node, such as scheme Shown in 4, including：

Acquisition module 41, the fixed network for obtaining mobile terminal accesses mark；

Sending module 42, on the basis of being identified in the access of the fixed network for the mobile terminal that the acquisition module is obtained, root Access and identify according to the fixed network, the control of local unloading data access and charging policy by the mobile terminal are sent to described solid The corresponding fixed network node of net access mark, so that local unloading data access control of the fixed network node according to the mobile terminal System and charging policy, the control of local unloading data access is carried out to the mobile terminal.

Wherein, the local unloading data access control of the mobile terminal and charging policy include but is not limited to described in triggering Fixed network node turns off or on the sheet of local unloading data access or the triggering fixed network node to mobile terminal of mobile terminal At least one of in ground unloading data access charging.In the local unloading data access control of the mobile terminal and charging policy Carry the mark of the mobile terminal.

The present invention an optional embodiment in, acquisition module 41 specifically for：Pass through Packet Data Network's PDN Gateway Grouped data network PDN is set up with the mobile terminal to be connected；Receive the fixed network that the mobile terminal is sent by the PDN Gateway Access mark.

The present invention an optional embodiment in, sending module 42 specifically for：Accessed and identified according to the fixed network, Fixed network node corresponding with fixed network access mark, which is set up, includes but is not limited to gateway control session and/or IP connected reference nets The communication connection of network session；The control of local unloading data access and charging policy by the mobile terminal pass through the foundation Communication connection is sent to the fixed network node.

It should be noted that the policy control entity include but is not limited to "Policy and Charging Rules Function PCRF entities or At least one of in offline charging center OFCS or online charging center OCS.

In the optional embodiment of the present invention, if the policy control entity is the PCRF entities；

Sending module 42 specifically for：Accessed and identified according to the fixed network of acquisition, and fixed network access mark is corresponding solid Net node sets up gateway control session, and the mark of the mobile terminal is sent into the fixed network by the gateway control session Node, so that the fixed network node selects net according to the mark of the mobile terminal and the APN APN locally unloaded Another policy control entity PCRF_1 of network side, sets up IP with the policy control entity PCRF_1 of the selection and is connected access network Session, the local unloading data access control that the PCRF_1 is sent is received by the IP connections access to network conversation of the foundation And charging policy.

Sending module 42 specifically for：Accessed and identified according to the fixed network of acquisition, and fixed network access mark is corresponding solid Net node sets up gateway control session, and the control of local unloading data access and charging policy by the mobile terminal are connected by IP Connect access to network conversation and be sent to the fixed network node.

The present invention an optional embodiment in, if the policy control entity be offline charging center OFCS or Line charging center OCS；

Sending module 42 specifically for：Accessed and identified according to the fixed network of acquisition, determine that the fixed network access mark is corresponding Fixed network node；Send described to the fixed network node by the Gy/Gz interfaces between the OCS/OFCS and the fixed network node The local unloading data access control of mobile terminal and charging policy.

Another structural representation for the policy control entity that Fig. 5 provides for embodiment illustrated in fig. 4；As shown in figure 5, tactful Controlled entity also includes：

Charging policy generation module 43, the stream description information of the local unloading data flow for obtaining the mobile terminal, According to the stream description information of the local unloading data flow of the mobile terminal, the local unloading data to the mobile terminal are generated Stream carries out the charging policy of charging.

Wherein, charging policy generation module 43, the local unloading data flow to the mobile terminal of generation carries out charging Charging policy fixed network node can be sent to by sending module 42.

In the optional embodiment of the present invention, the policy control entity also includes 3GPP aaa authentications and serviced Device；

Acquisition module 41 specifically for：The mobile terminal is obtained during the tunnel authentication to the mobile terminal Mark and the fixed network access mark；

Sending module 42 specifically for：Obtain the control of local unloading data access and the charging policy of the mobile terminal； The control of local unloading data access and charging policy by STa/SWa interfaces by the mobile terminal are sent to Broadband Forum BBF aaa authentication servers, so that the Broadband Forum BBF aaa authentications server is by the local unloading number of the mobile terminal The fixed network node is sent to according to access control and charging policy.

The structural representation for the fixed network node that Fig. 6 provides for another embodiment of the present invention, is applied particularly to mobile terminal and does not have There is the scene by carrying out local unloading data access on the basis of fixed network entity authentication by the fixed network node, such as Fig. 6 institutes Show, including：

Receiving module 61, the local unloading data access control of the mobile terminal for receiving policy control entity transmission System and charging policy；

Control module 62, for the local unloading data access control of the mobile terminal received in the receiving module On the basis of charging policy, according to the control of the local unloading data access of the mobile terminal and charging policy, moved to described Dynamic terminal carries out the control of local unloading data access.

The present invention an optional embodiment in, control module 62 specifically for：If the local unloading data are visited Ask and control and charging policy closes local unloading data access to trigger the fixed network node, and determine that the mobile terminal has point Group data network PDN connections, then keep the local ip address of the mobile terminal；Or

Another structural representation for the fixed network node that Fig. 7 provides for embodiment illustrated in fig. 6, as shown in fig. 7, the fixed network Node also includes：

Distribute module 63, for the base of the IP access requests sent from the mobile terminal received in receiving module 61 On plinth, local ip address is distributed to the mobile terminal, so that the mobile terminal sets up grouped data with packet data gateway Network PDN is connected, and fixed network access mark is sent into the policy control entity by the packet data gateway；

Setup module 64, after in distribute module 63 to mobile terminal distribution IP address, is turned on and off institute State the local unloading data access of mobile terminal.

It should be noted that the fixed network node includes but is not limited to wideband network gateway BNG.

In the optional embodiment of the present invention, if the fixed network node is wideband network gateway BNG；

Receiving module 61 specifically for：Pass through the gateway control meeting set up with "Policy and Charging Rules Function PCRF entities Words, receive the mark for the mobile terminal that the PCRF entities are sent；According to the mark of the mobile terminal and locally unload The APN APN of load selects another policy control entity PCRF_1 of network side, the policy control entity with the selection PCRF_1 sets up IP connection access to network conversation, and receiving the PCRF_1 by the IP connections access to network conversation of the foundation sends out The local unloading data access control sent and charging policy.

Receiving module 61 specifically for：Gateway control session is set up with the PCRF entities, the PCRF entities is received and leads to Cross the control of local unloading data access and the charging policy of the mobile terminal of IP connections access to network conversation transmission.

Receiving module 61 specifically for：By the Gy/Gz interfaces between OCS/OFCS, receive the OCS/OFCS and send The mobile terminal local unloading data access control and charging policy.

Receiving module 61 specifically for：Receive the mobile terminal that Broadband Forum BBF aaa authentications server is sent Local unloading data access control and charging policy, the local unloading data access of the mobile terminal is controlled and charging policy is 3GPP aaa authentications server is sent to the Broadband Forum BBF aaa authentication servers by STa/SWa interfaces.

Another embodiment of the present invention provides a kind of policy control entity, is applied particularly to mobile terminal and does not pass through fixed network The scene of local unloading data access, including processor are carried out on the basis of entity authentication by the fixed network node, at this When managing device operation, following steps can be performed：

Obtain the fixed network access mark of mobile terminal；

The local unloading data access control of the mobile terminal and charging policy include but is not limited to trigger the fixed network The local unloading data access or the triggering fixed network node that node turns off or on mobile terminal are unloaded to the local of mobile terminal Carry at least one in data access charging.Carried in the local unloading data access control of the mobile terminal and charging policy There is the mark of the mobile terminal.

In the first possible implementation, the fixed network access mark of mobile terminal is obtained, including：

Grouped data network PDN is set up by Packet Data Network's PDN Gateway and the mobile terminal to be connected；

Accessed and identified according to the fixed network, fixed network node corresponding with fixed network access mark, which is set up, to be included but is not limited to The communication connection of gateway control session and/or IP connected reference BlueDramas；

Accessed and identified according to the fixed network of acquisition, and the corresponding fixed network node of fixed network access mark sets up gateway control meeting Words, are sent to the fixed network node, so that the fixed network section by the mark of the mobile terminal by the gateway control session Point is real according to the mark of the mobile terminal and another policy control of the APN APN selection network sides locally unloaded Body PCRF_1, sets up IP with the policy control entity PCRF_1 of the selection and is connected access to network conversation, pass through the foundation IP connections access to network conversation receives the control of local unloading data access and the charging policy that the PCRF_1 is sent.

Accessed and identified according to the fixed network of acquisition, and the corresponding fixed network node of fixed network access mark sets up gateway control meeting Words, the control of local unloading data access and charging policy by the mobile terminal are sent to by IP connection access to network conversation The fixed network node.

Accessed and identified according to the fixed network of acquisition, determine the corresponding fixed network node of the fixed network access mark；

The stream description information of the local unloading data flow of the mobile terminal is obtained, local according to the mobile terminal is unloaded The stream description information of data flow is carried, the charging policy that charging is carried out to the local unloading data flow of the mobile terminal is generated.

Mark and the fixed network access of the mobile terminal are obtained during the tunnel authentication to the mobile terminal Mark；

Obtain the control of local unloading data access and the charging policy of the mobile terminal；

The control of local unloading data access and charging policy by mobile terminal described in STa/SWa interfaces are sent to broadband Forum BBF aaa authentication servers, so that the Broadband Forum BBF aaa authentications server unloads the local of the mobile terminal Carry data access control and charging policy is sent to the fixed network node.

Another embodiment of the present invention provides a kind of fixed network node, is applied particularly to mobile terminal and does not pass through fixed network node The scene of local unloading data access, including processor are carried out on the basis of certification by the fixed network node, when the processor During operation, following steps can be performed：

Receive the control of local unloading data access and the charging policy for the mobile terminal that policy control entity is sent；

Based on the first possible implementation, in second of possible implementation, policy control entity hair is received Before the local unloading data access control of the mobile terminal sent and charging policy, including：

The IP access requests sent according to the mobile terminal, distribute local ip address, so that institute to the mobile terminal State mobile terminal and set up grouped data network PDN with packet data gateway and be connected, and connect fixed network by the packet data gateway Inlet identity is sent to the policy control entity；

After mobile terminal distribution IP address, including：

It is turned on and off the local unloading data access of the mobile terminal.

Receive the control of local unloading data access and the charging policy for the mobile terminal that policy control entity is sent, tool Body includes：

By the gateway control session set up with "Policy and Charging Rules Function PCRF entities, the PCRF entities hair is received The mark of the mobile terminal sent；

Gateway control session is set up with the PCRF entities, the PCRF entities is received and access to network conversation is connected by IP The local unloading data access control of the mobile terminal sent and charging policy.

By the Gy/Gz interfaces between OCS/OFCS, the sheet for the mobile terminal that the OCS/OFCS is sent is received The control of ground unloading data access and charging policy.

Receive the local unloading data access control for the mobile terminal that Broadband Forum BBF aaa authentications server is sent And charging policy, the local unloading data access of the mobile terminal is controlled and charging policy is logical for 3GPP aaa authentications server Cross STa/SWa interfaces and be sent to the Broadband Forum BBF aaa authentication servers.

Another embodiment of the present invention provides a kind of local unloading data access control and charging policy system, including above-mentioned What is provided in the policy control entity and the corresponding embodiments of above-mentioned Fig. 6 and Fig. 7 that are provided in the corresponding embodiments of Fig. 4 and Fig. 5 consolidates Net node；The detailed description of fixed network node may refer to the related content in the corresponding embodiments of Fig. 6 and Fig. 7, and policy control is real The detailed description of body may refer to the related content in the corresponding embodiments of Fig. 4 and Fig. 5, and here is omitted.

It is apparent to those skilled in the art that, for convenience and simplicity of description, the system of foregoing description, The specific work process of device and unit, may be referred to the corresponding process in preceding method embodiment, will not be repeated here.

In several embodiments provided herein, it should be understood that disclosed system, apparatus and method can be with Realize by another way.For example, device embodiment described above is only schematical, for example, the unit Divide, only a kind of division of logic function there can be other dividing mode when actually realizing, such as multiple units or component Another system can be combined or be desirably integrated into, or some features can be ignored, or do not perform.It is another, it is shown or The coupling each other discussed or direct-coupling or communication connection can be the indirect couplings of device or unit by some interfaces Close or communicate to connect, can be electrical, machinery or other forms.

The unit illustrated as separating component can be or may not be it is physically separate, it is aobvious as unit The part shown can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple On NE.Some or all of unit therein can be selected to realize the mesh of this embodiment scheme according to the actual needs 's.

In addition, each functional unit in each embodiment of the invention can be integrated in a processing unit, can also That unit is individually physically present, can also two or more units it is integrated in a unit.Above-mentioned integrated list Member can both be realized in the form of hardware, it would however also be possible to employ hardware adds the form of SFU software functional unit to realize.

The above-mentioned integrated unit realized in the form of SFU software functional unit, can be stored in an embodied on computer readable and deposit In storage media.Above-mentioned SFU software functional unit is stored in a storage medium, including some instructions are to cause a computer Equipment（Can be personal computer, server, or network equipment etc.）Perform the portion of each embodiment methods described of the invention Step by step.And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage（Read-Only Memory, referred to as ROM）, random access memory（Random Access Memory, abbreviation RAM）, magnetic disc or CD etc. are various to store The medium of program code.

Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic； And these modifications or replacement, the essence of appropriate technical solution is departed from the protection model of various embodiments of the present invention technical scheme Enclose.

Claims

1. a kind of local unloading data access control and charging policy method, are applied particularly to mobile terminal and do not pass through fixed network section The scene of local unloading data access is carried out on the basis of point certification by the fixed network node, it is characterised in that including：

Accessed and identified according to the fixed network, the control of local unloading data access and charging policy by the mobile terminal are sent to The fixed network access identifies corresponding fixed network node, so that local unloading data of the fixed network node according to the mobile terminal Access control and charging policy, the control of local unloading data access is carried out to the mobile terminal；

Accessed and identified according to the fixed network, the control of local unloading data access and charging policy by the mobile terminal are sent to The fixed network access identifies corresponding fixed network node, including：

The policy control entity is accessed according to the fixed network and identified, and fixed network node corresponding with fixed network access mark is set up The including but not limited to communication connection of gateway control session and/or IP connected reference BlueDramas；

The local unloading data access control of the mobile terminal and charging policy are sent by the communication connection of the foundation To the fixed network node.

2. according to the method described in claim 1, it is characterised in that the local unloading data access control of the mobile terminal and Charging policy includes but is not limited to trigger the local unloading data access that the fixed network node turns off or on the mobile terminal Or the triggering fixed network node is at least one in the local unloading data access charging of the mobile terminal；

Also include the mark of the mobile terminal in the local unloading data access control of the mobile terminal and charging policy.

3. according to the method described in claim 1, it is characterised in that the fixed network that the policy control entity obtains mobile terminal connects Inlet identity, including：

The policy control entity is set up grouped data network PDN by Packet Data Network's PDN Gateway and the mobile terminal and is connected；

4. the method according to any one of claim 1-3, it is characterised in that the policy control entity includes but do not limited At least one of in "Policy and Charging Rules Function PCRF entities or offline charging center OFCS or online charging center OCS.

5. method according to claim 4, it is characterised in that if the policy control entity is strategy and charging regulation work( Can PCRF entities；

Then accessed and identified according to the fixed network, the control of local unloading data access and charging policy by the mobile terminal are sent Give fixed network access mark corresponding fixed network node, specifically include：

The PCRF entities are accessed according to the fixed network of acquisition and identified, and the corresponding fixed network node of fixed network access mark sets up net Control session is closed, the mark of the mobile terminal fixed network node is sent to by the gateway control session, so that institute State another plan that fixed network node selects network side according to the mark of the mobile terminal and the APN APN locally unloaded Slightly controlled entity PCRF_1, sets up IP with the policy control entity PCRF_1 of the selection and is connected access to network conversation, pass through institute The IP connections access to network conversation for stating foundation receives the control of local unloading data access and the charging policy that the PCRF_1 is sent.

6. method according to claim 4, it is characterised in that if the policy control entity is strategy and charging regulation work( Can PCRF entities；

The PCRF entities are accessed according to the fixed network of acquisition and identified, and the corresponding fixed network node of fixed network access mark sets up net Control session is closed, the control of local unloading data access and charging policy by the mobile terminal pass through IP connection access network meetings Words are sent to the fixed network node.

7. method according to claim 4, it is characterised in that if the policy control entity is offline charging center OFCS Or online charging center OCS；

Then accessed and identified according to the fixed network, the local unloading data access control with the mobile terminal and charging policy are sent out Give the fixed network access mark corresponding fixed network node, specifically include：

The OCS/OFCS is accessed according to the fixed network of acquisition and identified, and determines the corresponding fixed network node of the fixed network access mark；

Send described mobile whole to the fixed network node by the Gy/Gz interfaces between the OCS/OFCS and the fixed network node The local unloading data access control at end and charging policy.

8. method according to claim 7, it is characterised in that by between the OCS/OFCS and the fixed network node The local unloading data access control that Gy/Gz interfaces send the mobile terminal to the fixed network node is gone back with before charging policy Including：

The OCS/OFCS obtains the stream description information of the local unloading data flow of the mobile terminal, according to the mobile terminal Local unloading data flow stream description information, generate the charging that charging is carried out to the local unloading data flow of the mobile terminal Strategy.

9. according to the method described in claim 1, it is characterised in that the policy control entity also includes 3GPP aaa authentications and taken Business device；

The 3GPP aaa authentications server obtains the mobile terminal during the tunnel authentication to the mobile terminal Mark and the fixed network access mark；

Accessed and identified according to the fixed network, the control of local unloading data access and charging policy by the mobile terminal are sent to The fixed network access identifies corresponding fixed network node, specifically includes：

The 3GPP aaa authentications server obtains the control of local unloading data access and the charging policy of the mobile terminal；

The 3GPP aaa authentications server is controlled the local unloading data access of the mobile terminal by STa/SWa interfaces Broadband Forum BBF aaa authentication servers are sent to charging policy, so that the Broadband Forum BBF aaa authentications server will The local unloading data access control of the mobile terminal and charging policy are sent to the fixed network node.

10. a kind of local unloading data access control and charging policy method, are applied particularly to mobile terminal and do not pass through fixed network The scene of local unloading data access is carried out on the basis of entity authentication by the fixed network node, it is characterised in that including：

Fixed network node receives the control of local unloading data access and the charging plan for the mobile terminal that policy control entity is sent Slightly；

According to the control of the local unloading data access of the mobile terminal and charging policy, the mobile terminal is locally unloaded Carry the control of data access；

The fixed network node receives the local unloading data access control for the mobile terminal that policy control entity is sent and counted Before taking strategy, including：

The IP access requests that the fixed network node is sent according to the mobile terminal, to the mobile terminal with distributing local IP Location, is connected, and pass through the packet data gateway so that the mobile terminal sets up grouped data network PDN with packet data gateway Fixed network access mark is sent to the policy control entity；

After the fixed network node is to mobile terminal distribution IP address, including:

11. method according to claim 10, it is characterised in that the local unloading data access control of the mobile terminal Include but is not limited to trigger the local unloading data visit that the fixed network node turns off or on the mobile terminal with charging policy The fixed network node is asked or triggered at least one in the local unloading data access charging of the mobile terminal；

12. method according to claim 10, it is characterised in that local unloading data access is carried out to the mobile terminal Control, specifically include：

If the local unloading data access is controlled and charging policy is visited to trigger the local unloading data of fixed network node closing Ask, and determine that the mobile terminal has the connection of grouped data network PDN, then keep the local ip address of the mobile terminal；Or

If the local unloading data access is controlled and charging policy is visited to trigger the local unloading data of fixed network node closing Ask, and the mobile terminal does not have the connection of grouped data network PDN, then closes the local unloading data access of the mobile terminal, And reclaim the local ip address of the mobile terminal；Or

If the local unloading data access is controlled and charging policy is visited to trigger the local unloading data of fixed network node unlatching Ask, then open the local unloading data access of the mobile terminal；Or

If the local unloading data access is controlled and charging policy is to trigger the fixed network node to local unloading data access The charge information of charging, the then local unloading data access of the triggering generation mobile terminal, the charge information is sent to Network side charging entity, so that local unloading of the network side charging entity according to the charge information to the mobile terminal Data access carries out charging.

13. the method according to any one of claim 10-12, it is characterised in that the fixed network node includes but do not limited In wideband network gateway BNG.

14. method according to claim 13, it is characterised in that if the fixed network node is wideband network gateway BNG；

Fixed network node receives the control of local unloading data access and the charging plan for the mobile terminal that policy control entity is sent Slightly, specifically include：

The BNG receives the PCRF real by the gateway control session set up with "Policy and Charging Rules Function PCRF entities The mark for the mobile terminal that body is sent；

Another policy control of network side is selected according to the mark of the mobile terminal and the APN APN locally unloaded Entity PCRF_1, sets up IP with the policy control entity PCRF_1 of the selection and is connected access to network conversation, is set up by described IP connections access to network conversation receive the control of local unloading data access and the charging policy that the PCRF_1 is sent.

15. method according to claim 13, it is characterised in that if the fixed network node is wideband network gateway BNG；

The BNG sets up gateway control session with PCRF entities, receives what the PCRF entities were sent by gateway control session The local unloading data access control of the mobile terminal and charging policy.

16. method according to claim 13, it is characterised in that if the fixed network node is wideband network gateway BNG；

The BNG receives the mobile terminal that the OCS/OFCS is sent by the Gy/Gz interfaces between OCS/OFCS Local unloading data access control and charging policy.

17. method according to claim 13, it is characterised in that if the fixed network node is wideband network gateway BNG；

The BNG receives the local unloading data access for the mobile terminal that Broadband Forum BBF aaa authentications server is sent Control and charging policy, the local unloading data access of the mobile terminal is controlled and charging policy services for 3GPP aaa authentications Device is sent to the Broadband Forum BBF aaa authentication servers by STa/SWa interfaces.

18. a kind of policy control entity, is applied particularly to mobile terminal and does not pass through on the basis of fixed network entity authentication by institute State the scene that fixed network node carries out local unloading data access, it is characterised in that including：

Sending module, on the basis of the fixed network for the mobile terminal that the acquisition module is obtained access mark, according to described Fixed network access mark, the control of local unloading data access and charging policy by the mobile terminal are sent to the fixed network and accessed Corresponding fixed network node is identified, so that the fixed network node is controlled and counted according to the local unloading data access of the mobile terminal Take strategy, the control of local unloading data access is carried out to the mobile terminal；

The sending module specifically for：Accessed and identified according to the fixed network, fixed network section corresponding with fixed network access mark Point sets up the communication connection for including but is not limited to gateway control session and/or IP connected reference BlueDramas；Will be described mobile whole The local unloading data access control at end and charging policy are sent to the fixed network node by the communication connection of the foundation.

19. policy control entity according to claim 18, it is characterised in that the local unloading data access control and Charging policy includes but is not limited to trigger the fixed network node and turns off or on local unloading data access or trigger the fixed network Node is at least one in local unloading data access charging.

20. policy control entity according to claim 18, it is characterised in that the acquisition module specifically for：Pass through Packet Data Network's PDN Gateway is set up grouped data network PDN with the mobile terminal and is connected；Receive the mobile terminal pass through it is described The fixed network access mark that PDN Gateway is sent.

21. the policy control entity according to any one of claim 18-20, it is characterised in that the policy control is real Body includes but is not limited in "Policy and Charging Rules Function PCRF entities or offline charging center OFCS or online charging center OCS At least one of.

22. policy control entity according to claim 21, it is characterised in that if the policy control entity is described PCRF entities；

The sending module specifically for：Accessed and identified according to the fixed network of acquisition, and the corresponding fixed network of fixed network access mark Node sets up gateway control session, and the mark of the mobile terminal is sent into the fixed network section by the gateway control session Point, so that the fixed network node selects network according to the mark of the mobile terminal and the APN APN locally unloaded Another policy control entity PCRF_1 of side, sets up IP with the policy control entity PCRF_1 of the selection and is connected access network meeting Words, by the IP connections access to network conversation of the foundation receive local unloading data access control that the PCRF_1 sends with Charging policy.

23. policy control entity according to claim 21, it is characterised in that if the policy control entity is described PCRF entities；

The sending module specifically for：Accessed and identified according to the fixed network of acquisition, and the corresponding fixed network of fixed network access mark Node sets up gateway control session, and the control of local unloading data access and charging policy by the mobile terminal are connected by IP Access to network conversation is sent to the fixed network node.

24. policy control entity according to claim 21, it is characterised in that if the policy control entity is offline meter Take center OFCS or online charging center OCS；

The sending module specifically for：Accessed and identified according to the fixed network of acquisition, determine that the fixed network access mark is corresponding solid Net node；Described move is sent to the fixed network node by the Gy/Gz interfaces between the OCS/OFCS and the fixed network node The local unloading data access control of dynamic terminal and charging policy.

25. policy control entity according to claim 24, it is characterised in that also include：

Charging policy generation module, the stream description information of the local unloading data flow for obtaining the mobile terminal, according to institute The stream description information of the local unloading data flow of mobile terminal is stated, generates and the local unloading data flow of the mobile terminal is carried out The charging policy of charging.

26. policy control entity according to claim 18, it is characterised in that the policy control entity also includes 3GPP Aaa authentication server；

The acquisition module specifically for：The mark of the mobile terminal is obtained during the tunnel authentication to the mobile terminal Know and the fixed network accesses mark；

The sending module specifically for：Obtain the control of local unloading data access and the charging policy of the mobile terminal；It is logical Cross local unloading data access control and charging policy of the STa/SWa interfaces by the mobile terminal and be sent to Broadband Forum BBF Aaa authentication server, so that the Broadband Forum BBF aaa authentications server visits the local unloading data of the mobile terminal Ask that control and charging policy are sent to the fixed network node.

27. a kind of fixed network node, is applied particularly to mobile terminal and does not pass through on the basis of fixed network entity authentication by described solid Net node carries out the scene of local unloading data access, it is characterised in that including：

Receiving module, by receive policy control entity transmission the mobile terminal local unloading data access control and based on Take strategy；

Control module, for the control of local unloading data access and charging of the mobile terminal received in the receiving module On the basis of strategy, according to the control of the local unloading data access of the mobile terminal and charging policy, to the mobile terminal Carry out the control of local unloading data access；

Also include：

Distribute module, for the IP access requests sent according to the mobile terminal, to the mobile terminal with distributing local IP Location, is connected, and pass through the packet data gateway so that the mobile terminal sets up grouped data network PDN with packet data gateway Fixed network access mark is sent to the policy control entity；

Setup module, after to mobile terminal distribution IP address, is turned on and off the local of the mobile terminal and unloads Carry data access.

28. fixed network node according to claim 27, it is characterised in that the local control of unloading data access and charging Strategy includes but is not limited to trigger the fixed network node and turns off or on local unloading data access or trigger the fixed network node To at least one in local unloading data access charging.

29. fixed network node according to claim 27, it is characterised in that the control module specifically for：If described Ground unloading data access is controlled and charging policy closes local unloading data access to trigger the fixed network node, and is determined described Mobile terminal has the connection of grouped data network PDN, then keeps the local ip address of the mobile terminal；Or

30. the fixed network node according to any one of claim 27-29, it is characterised in that the fixed network node include but It is not limited to wideband network gateway BNG.

31. fixed network node according to claim 30, it is characterised in that if the fixed network node is wideband network gateway BNG；

The receiving module specifically for：By the gateway control session set up with "Policy and Charging Rules Function PCRF entities, Receive the mark for the mobile terminal that the PCRF entities are sent；Unload according to the mark of the mobile terminal and locally APN APN selects another policy control entity PCRF_1, the policy control entity PCRF_ with the selection of network side 1 sets up IP connection access to network conversation, receives what the PCRF_1 was sent by the IP connections access to network conversation of the foundation Local unloading data access control and charging policy.

32. fixed network node according to claim 30, it is characterised in that if the fixed network node is wideband network gateway BNG；

The receiving module specifically for：Gateway control session is set up with PCRF entities, the PCRF entities is received and passes through gateway Control the control of local unloading data access and the charging policy of the mobile terminal of session transmission.

33. fixed network node according to claim 30, it is characterised in that if the fixed network node is wideband network gateway BNG；

The receiving module specifically for：By the Gy/Gz interfaces between OCS/OFCS, receive what the OCS/OFCS was sent The local unloading data access control of the mobile terminal and charging policy.

34. fixed network node according to claim 30, it is characterised in that if the fixed network node is wideband network gateway BNG；

The receiving module specifically for：Receive the sheet for the mobile terminal that Broadband Forum BBF aaa authentications server is sent The control of ground unloading data access and charging policy, the local unloading data access of the mobile terminal is controlled and charging policy is 3GPP aaa authentications server is sent to the Broadband Forum BBF aaa authentication servers by STa/SWa interfaces.

35. a kind of local unloading data access control and charging policy system, it is characterised in that including：

Policy control entity as any one of claim 18-26；

Fixed network node as any one of claim 27-34.