CN102300194B - A kind of method and device, system transmitting diffluent information - Google Patents
A kind of method and device, system transmitting diffluent information Download PDFInfo
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- CN102300194B CN102300194B CN201010209983.1A CN201010209983A CN102300194B CN 102300194 B CN102300194 B CN 102300194B CN 201010209983 A CN201010209983 A CN 201010209983A CN 102300194 B CN102300194 B CN 102300194B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
- H04W8/08—Mobility data transfer
- H04W8/082—Mobility data transfer for traffic bypassing of mobility servers, e.g. location registers, home PLMNs or home agents
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Abstract
The invention discloses a kind of method transmitting diffluent information, mainly comprise: in moving process, target mobility management entity, according to the diffluent information got, obtains distributing strategy and sends obtained distributing strategy to target local gateway.The invention also discloses a kind of Apparatus and system transmitting diffluent information, present invention achieves the transmission of diffluent information in moving process, make target mobility management entity can obtain the distributing strategy that also notification target local gateway is current as early as possible, make the opportunity of target local gateway acquisition distributing strategy forward, thus ensure that in moving process, mobile communication system IP shunts the continuity of business.
Description
Technical field
The present invention relates to the transmission of diffluent information in moving communicating field, particularly relate to a kind of method and device, the system of transmitting diffluent information.
Background technology
Third generation partner program (3GPP, 3rd Generation Partnership Project) in the grouping system (EPS of evolution, Evolved Packet System) by the universal mobile telecommunications system land radio access web (E-UTRAN of evolution, Evolved Universal Terrestrial Radio Access Network), mobile management unit (MME, Mobility Management Entity, ), gateway (S-GW, ServingGateway), grouped data network gateway (P-GW, Packet Data Network Gateway), home subscriber server (HSS, Home Subscriber Server), authentication and authorization charging (the AAA of 3GPP, Authentication, Authorization and Accounting) server, "Policy and Charging Rules Function (PCRF, Policy and Charging Rules Function) entity and other support nodes composition.
Fig. 1 is a kind of schematic diagram of EPS framework, as shown in Figure 1, this EPS comprises: terminal, local gateway, wireless side network element, Mobility Management Entity, core network gateway and Authentication Authorization server, wherein, Mobility Management Entity, core network gateway and Authentication Authorization server are in core net, and Mobility Management Entity is responsible for the related work of the chains of command such as mobile management, the process of Non-Access Stratum signaling and the mobile management of user's context; Core network gateway can comprise S-GW and P-GW, and S-GW is the accessing gateway equipment be connected with E-UTRAN, forwarding data between E-UTRAN and P-GW, and is responsible for carrying out buffer memory to pending datas such as pagings; P-GW is then the borde gateway of EPS and packet data network (PDN, Packet Data Network) network, be responsible for PDN access and between EPS and PDN forwarding data etc.
Base station from home is a kind of small-sized, lower powered base station, be deployed in the indoor place such as family and office, Main Function is to provide higher service rate to user and reduce the expense used required for high rate services, making up the deficiency that existing distributed cellular radio communication system covers simultaneously.The advantage of base station from home is economical, convenient, low-power output, plug and play etc.In home base station system, base station from home is wireless side network element.
Fig. 2 is the schematic diagram of a kind of communication system architecture comprising femto gateway, as shown in Figure 2, base station from home can be linked into core network by this logical ne of home base-station gateway, also can adopt system architecture mode as shown in Figure 1, be directly connected to core network.Wherein, home base-station gateway major function is: the fail safe of checking base station from home, and the registration of process base station from home, carries out operation maintenance management to base station from home, according to Carrier Requirements configuration and control base station from home, be responsible for the data of exchcange core net and base station from home.
Except supporting the access of mobile core network, the mobile communication system comprising home base station system etc. also can support IP diverter function, wireless side network element possess IP separation capacity and user contract allow IP shunting condition under, this locality access of terminal to other IP devices of home network or internet can be realized.
As Fig. 1, shown in Fig. 2 and Fig. 3, in mobile communication system, the realization of IP shunting can by arranging local gateway to realize, local gateway is linked into the gateway of external network as Internet as this locality, address assignment is provided, charging, grouping packet filtering, policy control, data distribution function, wireless access network applying portion (RANAP, Radios Access Network Application Part)/universal tunnel agreement (GTP, GeneralTunneling Protocol)/proxy mobile IP protocol (PMIP, Proxy Mobile IP)/mobile IP protocol (MIP, Mobile IP) message parse, network address translation (NAT, Network Address Translation), the functions such as IP distributing strategy route and execution.
In mobile communication system, local gateway can carry out conjunction with wireless side network element and establishes or set up separately.When there is home base-station gateway, as shown in Figure 2, local gateway can set up separately with home base-station gateway, and as shown in Figure 3, local gateway can also carry out conjunction with home base-station gateway and establish.
Wherein, local gateway can be Home serving gateway (L-SGW, Local SGW) and local packet data gateway (L-PGW, Local PGW), and also can be independent L-PGW, can also be data distribution functional entity.
As shown in Fig. 4, Fig. 5, Fig. 6 a, Fig. 6 b, the IP shunting of the EPS of Fig. 1 by setting up on wireless side network element or local gateway or not setting up NAT address translation feature to realize, can be not limited by the function that a connection realizes core net access and IP shunting access simultaneously.
Exist in the moving process of IP shunting connection, no matter whether Mobility Management Entity changes, and in the Routing Area Update process after moving process, target mobility management entity just sends distributing strategy to target local gateway by RAB assignment request message.And in moving process, target mobility management entity cannot transmit distributing strategy to target local gateway, cause the shunting business of former network side to carry out in target network side in time, cause IP in moving process to shunt service disconnection comparatively obvious.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of method and device, the system of transmitting diffluent information, to solve in moving process, distributing strategy can not be sent to the problem of target local gateway by the target mobility management entity of mobile communication system in time.
For achieving the above object, technical scheme of the present invention is achieved in that
The invention provides a kind of method transmitting diffluent information, described method comprises: in moving process, and target mobility management entity, according to the diffluent information got, obtains distributing strategy and sends the distributing strategy obtained to target local gateway.
In such scheme, described moving process is handoff procedure or position updating process.
In such scheme, described diffluent information comprises the one or more of following information: Subscriber Number, charging identifier, shunting are contracted; Described distributing strategy comprises the one or more of following information: Subscriber Number, charging identifier, point traffic identifier.
In such scheme, described method specifically comprises: in moving process, and whether former Mobility Management Entity judges self can as target mobility management entity; If so, then the diffluent information that target mobility management entity has been preserved according to self obtains distributing strategy, and sends the distributing strategy obtained to target local gateway; Otherwise, described diffluent information is sent to described target mobility management entity by former Mobility Management Entity, target mobility management entity receives described diffluent information, then obtains distributing strategy according to received diffluent information, and sends the distributing strategy obtained to target local gateway.
In such scheme, described diffluent information is sent to described target mobility management entity by former Mobility Management Entity, be specially: former Mobility Management Entity carries described diffluent information in the specific information self sending to target mobility management entity, complete the transmission of described diffluent information to target mobility management entity.
In such scheme, described former Mobility Management Entity sends to the specific messages of target mobility management entity, is specially reorientation forwarding request message or context response information.
In such scheme, before described target mobility management entity transmits distributing strategy to target local gateway, described method also comprises: described target mobility management entity is after getting described diffluent information, according to described diffluent information and/or self preserve local policy, judge current carrying or connect whether can shunt, if, then obtain distributing strategy according to described diffluent information and/or local policy, and send the distributing strategy obtained to target local gateway, otherwise, do not transmit described distributing strategy to target local gateway.
In such scheme, diffluent information is sent to the process of target local gateway by target mobility management entity, be specially: in moving process, target mobility management entity, by carrying described distributing strategy in the specific messages self sending to Target Wireless side network element, sends described distributing strategy to target local gateway by Target Wireless side network element or directly sends target local gateway to.
In such scheme, described target mobility management entity sends to the specific messages of described Target Wireless side network element, is specially RELOCATION REQUEST message or handover request message or initial context and sets up request message or tracing section updating request message.
Present invention also offers a kind of device transmitting diffluent information, described device comprises: delivery unit, and in moving process, the diffluent information according to getting obtains distributing strategy, and sends the distributing strategy obtained to target local gateway.
In such scheme, described device also comprises: receiving element, in moving process, receives the diffluent information that former target mobility entity sends; Described delivery unit specifically for, obtain described distributing strategy according to the diffluent information that described receiving element receives, and send the distributing strategy obtained to target local gateway.
In such scheme, described device also comprises: memory cell, for preserving described diffluent information; Described dividing cell specifically for, according to the diffluent information that described memory cell is preserved, in moving process, obtain distributing strategy, and send the distributing strategy obtained to target local gateway.
In such scheme, described device also comprises: authentication unit, for judging current carrying or connect whether can shunt according to the local policy of described diffluent information and/or self preservation, if, then start described delivery unit, make described delivery unit obtain distributing strategy according to described diffluent information and/or local policy, and send the distributing strategy obtained to described target local gateway, otherwise, do not start described delivery unit.
In such scheme, described delivery unit also for: in moving process, transmit distributing strategy by Target Wireless side network element to described target local gateway, or transmit distributing strategy directly to described target local gateway.
Present invention also offers a kind of system transmitting diffluent information, described system comprises: target mobility management entity, target local gateway, wherein,
Described target mobility management entity, comprises delivery unit, in moving process, according to the diffluent information got, obtains distributing strategy and sends the distributing strategy obtained to described target local gateway.
In such scheme, described system also comprises: former Mobility Management Entity, in moving process, sends diffluent information to described target mobility management entity;
Described target mobility management entity, also comprises: receiving element, for receiving the diffluent information that described former Mobility Management Entity sends.
In such scheme, described former Mobility Management Entity, also for: in moving process, judge whether self as described target mobility management entity, if not, then can send diffluent information to described target mobility management entity, otherwise, do not send diffluent information.
In such scheme, described system also comprises: Target Wireless side network element, for receiving the distributing strategy that described target mobility management entity sends, and the distributing strategy received is sent to described target local gateway.
The method and system of transmission diffluent information provided by the present invention, device, in moving process, target mobility management entity sends according to former Mobility Management Entity, or the diffluent information self preserved, distributing strategy is transmitted to target local gateway, achieve the transmission of diffluent information in moving process, make target mobility management entity can obtain the distributing strategy that also notification target local gateway is current as early as possible, make the opportunity of target local gateway acquisition distributing strategy forward, thus ensure that in moving process, mobile communication system IP shunts the continuity of business.
Accompanying drawing explanation
Fig. 1 is the configuration diagram of a kind of mobile communication system of the prior art;
Fig. 2 is the configuration diagram of another kind of mobile communication system of the prior art;
Fig. 3 is the configuration diagram of another kind of mobile communication system of the prior art;
Fig. 4 is the data flow diagram of a kind of mobile communication system IP shunting in prior art;
Fig. 5 is the data flow diagram of another kind of mobile communication system IP shunting in prior art;
Fig. 6 a is the data flow diagram of another kind of mobile communication system IP shunting in prior art;
Fig. 6 b is the data flow diagram of another kind of mobile communication system IP shunting in prior art;
Fig. 7 is the system of transmission diffluent information of the present invention and the structural representation of device;
Fig. 8, for when user carries out switching across Mobility Management Entity, realizes the schematic flow sheet of a kind of specific embodiment that diffluent information transmits according to the present invention;
Fig. 9, for when user carries out switching across Mobility Management Entity, realizes the schematic flow sheet of the another kind of specific embodiment that diffluent information transmits according to the present invention;
Figure 10, for when user carries out switching across Mobility Management Entity, realizes the schematic flow sheet of the another kind of specific embodiment that diffluent information transmits according to the present invention;
Figure 11 is in position updating process, realizes the schematic flow sheet of a kind of specific embodiment that diffluent information transmits according to the present invention.
Embodiment
Basic thought of the present invention is: in moving process, if Mobility Management Entity is constant, namely former Mobility Management Entity can as target mobility management entity, the diffluent information that then target mobility management entity is preserved according to self obtains distributing strategy, and transmit this distributing strategy to target local gateway, otherwise, by former Mobility Management Entity, diffluent information is sent to target mobility management entity, target mobility management entity obtains distributing strategy according to the diffluent information received again, and transmits this distributing strategy to target local gateway.
A kind of method transmitting diffluent information of the present invention, main process is as follows: in moving process, and target mobility management entity, according to the diffluent information got, obtains distributing strategy and sends the distributing strategy obtained to target local gateway.
Here, described moving process can be handoff procedure or position updating process, and position updating process can be Routing Area Update process or tracing section updating process or location area updating process etc.
Here, described diffluent information comprises the one or more of following information: Subscriber Number, charging identifier, shunting are contracted.Distributing strategy comprises the one or more of following information: Subscriber Number, charging identifier, point traffic identifier.Distributing strategy can be obtained according to diffluent information or diffluent information and local policy by target mobility management entity, and the information that the information comprised can comprise from diffluent information is identical or different.
Wherein, shunting is signing represents the access point (APN that network connects, Access Point Name) and/or closed user group (CSG, Closed Subscriber Group) whether support shunting, wherein this APN can currently use, also can be current untapped, or whether active user is authorized to shunt.Such as, whether the APN that the current PDN used connects allows shunting etc.Divide traffic identifier to be used to indicate current carrying or to connect whether can shunt; Whether Subscriber Number or charging identifier also may be used for indicating current carrying or connecting can shunting, and can also be used for the charging etc. of streamed data.
Such as, if the shunting in diffluent information is contracted and/or local policy in described target mobility management entity allows current APN to shunt, then obtained a point traffic identifier just indicates current carrying or connects and can shunt.
Wherein, described method specifically comprises: in moving process, whether former Mobility Management Entity judges self can as target mobility management entity, if, then the diffluent information preserved according to self of target mobility management entity, obtains described distributing strategy and sends this distributing strategy to target local gateway; Otherwise, described diffluent information is sent to described target mobility management entity by former Mobility Management Entity, target mobility management entity receives described diffluent information, then according to received diffluent information, obtains distributing strategy and send the distributing strategy obtained to target local gateway.
Particularly, the objective network information that former Mobility Management Entity sends according to terminal is as Routing Area Identifier or wireless side network element ID, judge whether self can communicate with Target Wireless side network element or Home eNodeB, if can, then judging self can as target mobility management entity, otherwise, the objective network information that former Mobility Management Entity transmits according to terminal is as Routing Area Identifier or wireless side network element ID, from carrying out the Mobility Management Entity communicated with Target Wireless side network element or Home eNodeB, a selected Mobility Management Entity is as target mobility management entity, detailed process is prior art, do not repeat them here.
Particularly, in moving process, former Mobility Management Entity by carrying described diffluent information, so that described diffluent information is sent to target mobility management entity in the specific messages self sending to target mobility management entity.
During practical application, for handoff procedure, former Mobility Management Entity carries described diffluent information in the reorientation forwarding request sending to target mobility management entity; For position updating process, former Mobility Management Entity by carrying described diffluent information in the context response information sending to target mobility management entity.
Wherein, before target mobility management entity transmits distributing strategy to target local gateway, described method also comprises:
Target mobility management entity is after getting described diffluent information, according to accessed diffluent information and/or self preserve local policy, judge current carrying or connect whether can shunt, if, then obtain described distributing strategy according to described diffluent information and/or described local policy, and transmit this distributing strategy to target local gateway, otherwise target mobility management entity does not transmit distributing strategy to target local gateway.
Particularly, include in described diffluent information shunting signing time, described target mobility management entity according to the shunting comprised in obtained diffluent information signing or according to shunting signing and local policy, determine current carrying or connect whether can shunt.Do not comprise in described diffluent information shunting signing time, described target mobility management entity can after the described diffluent information of acquisition, according to obtained diffluent information and the local policy self preserved or the local policy preserved according to self, determine current carrying or connect whether can shunt.
Wherein, distributing strategy can be obtained according to the diffluent information got by target mobility management entity, also can obtain according to local policy after getting diffluent information, can also obtain according to the local policy of obtained diffluent information and self preservation after getting diffluent information.Particularly, corresponding distributing strategy can directly be obtained by diffluent information; Comprise in diffluent information shunting signing time, the shunting of diffluent information can be contracted and replace to corresponding point traffic identifier, obtain corresponding distributing strategy, or, also directly can remove signing for the shunting in diffluent information, obtain the distributing strategy of correspondence.Traffic identifier can also be divided accordingly by local policy, then this point of traffic identifier is added in accessed diffluent information, like this, the distributing strategy including each information in point traffic identifier and diffluent information can be obtained.
Wherein, diffluent information is sent to the process of target local gateway by target mobility management entity, be specially: in moving process, target mobility management entity, by carrying described distributing strategy in the specific messages self sending to Target Wireless side network element, sends described distributing strategy to target local gateway by Target Wireless side network element or directly sends target local gateway to.
Particularly, at handoff procedure, target mobility management entity by carrying described distributing strategy in the re-positioning request sending to Target Wireless side network element or handover request; In position updating process, target mobility management entity sets up request or tracing section updating request by initial context, sends distributing strategy to local gateway.
In practical application, the detailed process that diffluent information is sent to target local gateway by target mobility management entity can comprise following several situation:
IP for mobile communication system as shown in Figure 5 shunts, target local gateway is arranged between Target Wireless side network element and target mobility management entity, in moving process, target mobility management entity needs by target local gateway, re-positioning request or initial context are set up the specific messages such as solicited message and sends to Target Wireless side network element, now, can send in the message of Target Wireless side network element in target mobility management entity and carry described diffluent information, target local gateway intercepts and captures diffluent information from described message, the object of diffluent information to target local gateway is transmitted to reach.
For any mobile communication system, when target local gateway and Target Wireless side network element close and establish, Target Wireless side network element is identical with the IP address of target local gateway, target mobility management entity sends to the specific messages of Target Wireless side network element, target local gateway also can receive simultaneously, now, diffluent information directly can be sent to target local gateway by the mode that specific information carries by target mobility management entity.
In addition, for any mobile communication system, target mobility management entity can adopt following methods to send diffluent information to target local gateway: first, in moving process, target mobility management entity carries described diffluent information in the specific messages sent to Target Wireless side network element, after Target Wireless side network element receives the specific messages carrying described diffluent information, then diffluent information is sent to target local gateway.
Present invention also offers a kind of device transmitting diffluent information, with reference to shown in Fig. 7, this device can be Mobility Management Entity, also can as the part of Mobility Management Entity, described device mainly comprises: delivery unit 711, for in moving process, according to the diffluent information got, obtain distributing strategy and send the distributing strategy obtained to target local gateway 72.
Described device also comprises: receiving element 712, in moving process, receives the diffluent information that former target mobility entity 73 sends; Described delivery unit 711 specifically for, according to the diffluent information that described receiving element 712 receives, obtain distributing strategy and send the distributing strategy obtained to target local gateway 72.
Described device can also comprise: memory cell 713, for preserving described diffluent information; Described dividing cell specifically for, according to the diffluent information that described memory cell 713 is preserved, in moving process, obtain distributing strategy and send the distributing strategy obtained to target local gateway 72.
Described device can also comprise: authentication unit 714, for received by described receiving element 712 or diffluent information that described memory cell 713 is preserved and/or the local policy self preserved, judge current carrying or connect whether can shunt, if, then start described delivery unit 711, make described delivery unit 711 can obtain distributing strategy according to described diffluent information and/or described local policy, and send the distributing strategy obtained to described target local gateway, otherwise, do not start described delivery unit 711.
Particularly, described delivery unit, in moving process, transmits distributing strategy by Target Wireless side network element 74 to described target local gateway 72, or transmits distributing strategy directly to described target local gateway 72.
Present invention also offers a kind of system transmitting diffluent information, as shown in Figure 7, described system comprises: target mobility management entity 71, target local gateway 72, wherein, described target mobility management entity 71 comprises the device of above-mentioned transmission diffluent information, specifically can comprise delivery unit 711, receiving element 712 and/or memory cell 713 and authentication unit 714.
Wherein, the system of described transmission diffluent information also comprises: former Mobility Management Entity 73, in moving process, sends diffluent information to described target mobility management entity 71;
Particularly, described former Mobility Management Entity 73, also in moving process, judge whether self as described target mobility management entity 71, if not, then can send diffluent information to described target mobility management entity 71, otherwise, do not send diffluent information.
Wherein, described system also comprises: Target Wireless side network element 74, for receiving the distributing strategy that described target mobility management entity 71 sends, and the distributing strategy received is sent to described target local gateway 72.
Here, by the Apparatus and system of transmission diffluent information provided by the present invention, in moving process, realize diffluent information transmit specific implementation process, above method realization in have a detailed description, do not repeat them here.
Wherein, Target Wireless side network element 74 can be base station or base station from home or RNC or local gateway or diverter function entity.Former Mobility Management Entity 73 or target mobility management entity 71 are specifically as follows MME or mobile switching centre (MSC, Mobile Switching Center) or GPRS serving GPRS support node (SGSN, Servicing GPRS Support Node).Target local gateway 72 can be Home serving gateway (L-SGW) and local grouped data network gateway (L-PGW), or independently L-PGW, or local gateway GPRS Support Node (L-GGSN, Local Gateway GPRS Support Node) and local GPRS serving GPRS support node (L-SGSN), or independently L-GGSN can also be data distribution functional entity.
It should be noted that, the IP shunting that the present invention can be suitable for connects, and can be local IP access user local network, local IP access company local network, local IP access the Internet, the shunting of Internet service, the shunting etc. of specific IP data.
Below in conjunction with the mobile communication system in practical application, specific implementation the present invention being transmitted in moving process to diffluent information is described in further details.
Embodiment one
Present embodiment describes based on UTRAN (Universal Terrestrial Radio Access Network, universal mobile telecommunications system land radio access web) systematic difference scene, in moving process, transmit the detailed process of diffluent information.
For the mobile communication system shown in Fig. 1, Fig. 5, with reference to Fig. 8, the idiographic flow that user carries out switching across Mobility Management Entity is as follows:
Step 801, former wireless side network element, according to the measurement report selected target wireless side network element of terminal to report, judges and initiates handoff procedure.
Step 802, former wireless side network element sends RELOCATION REQUEST message to former Mobility Management Entity.
Step 803, former Mobility Management Entity sends reorientation forwarding request to target mobility management entity, carries diffluent information in this reorientation forwarding request.
Here, before sending reorientation forwarding request to target mobility management entity, this step can also comprise following process: former target mobility management entity according to the objective network information of step 802 as Routing Area Identifier or wireless side network element ID, judge self whether can with Target Wireless side net element communication, if, then judging self can as target mobility management entity, self is defined as target mobility management entity, otherwise, according to the new Mobility Management Entity of the objective network Information Selection one of step 802 as target mobility management entity.
In the present embodiment, former target mobility management entity judge self can not with Target Wireless side net element communication, and according to the objective network information of step 802, selected target Mobility Management Entity, afterwards, reorientation forwarding request is sent to selected target mobility management entity.
Step 804, target mobility management entity sends RELOCATION REQUEST message to Target Wireless side network element, in re-positioning request, carry distributing strategy;
Particularly, target mobility management entity is determined current carrying or connects to shunt according to the local policy that the shunting in diffluent information is contracted and/or self has preserved, be then carried in RELOCATION REQUEST message by distributing strategy, send to Target Wireless side network element.
Step 805, target local gateway intercepts and captures described distributing strategy from step 804 RELOCATION REQUEST message, and so far, the diffluent information transmission in handoff procedure completes;
Step 806, Target Wireless side network element sends re-positioning request acknowledge message to target mobility management entity;
Step 807, target mobility management entity returns reorientation forward response message to former Mobility Management Entity;
Step 808, former Mobility Management Entity sends reorientation order to former wireless side;
Step 809, continues to perform follow-up switching flow.
Here, follow-up switching flow can be the processes such as resource release.
Embodiment two
With reference to shown in Fig. 9, on the basis of Fig. 3 home base station system, Fig. 5 data flow, carry out across in Mobility Management Entity handoff procedure user, the flow process realizing diffluent information transmission is specific as follows:
Step 901, former base station from home, according to the measurement report selected target base station from home of terminal to report, judges and initiates handoff procedure;
Step 902, former base station from home sends RELOCATION REQUEST message through former home base-station gateway to former Mobility Management Entity;
Step 903, former Mobility Management Entity sends reorientation forwarding request to target mobility management entity, and carries diffluent information;
Detailed process is identical with step 803.
Step 904, target mobility management entity sends RELOCATION REQUEST message through target home base station gateway to target home base station, and carries distributing strategy.
Here, target mobility management entity is at the local policy according to described diffluent information and/or self preservation, after determining that current carrying or connection can be shunted, obtain corresponding distributing strategy, and send the RELOCATION REQUEST message carrying obtained distributing strategy through target home base station gateway to target home base station.
Step 905, target local gateway intercepts and captures described distributing strategy from the RELOCATION REQUEST message of step 904, and so far, the diffluent information transmission in current handover procedures completes.
Step 906, target home base station sends re-positioning request acknowledge message through target home base station gateway to target mobility management entity;
Step 907, target mobility management entity returns reorientation forward response message to former Mobility Management Entity;
Step 908, former Mobility Management Entity sends reorientation order through former home base-station gateway to former base station from home;
Step 909, continues to perform follow-up switching flow.
Embodiment three
With reference to shown in Figure 10, on the basis that IP shown in communication system shown in Fig. 1, Fig. 6 shunts, when user carries out switching across Mobility Management Entity, the idiographic flow realizing diffluent information transmission is as follows:
Step 1001, former wireless side network element, according to the measurement report selected target wireless side network element of terminal to report, judges and initiates S1 handoff procedure;
Step 1002, former wireless side network element sends handover request message to former Mobility Management Entity;
Step 1003, former Mobility Management Entity sends reorientation forwarding request to target mobility management entity, carries diffluent information in this reorientation forwarding request;
Detailed process is identical with step 803.
Step 1004, alternatively, conversate between target mobility management entity and gateway process of establishing.
Step 1005, target mobility management entity transmits handover request message to Target Wireless side network element, carries distributing strategy in this handover request message;
Detailed process is identical with step 804.
Step 1006, the distributing strategy wherein carried is sent to target local gateway after receiving described handover request message by Target Wireless side network element, and so far, in current handover procedures, the transmittance process of diffluent information completes.
Step 1007, Target Wireless side network element sends switching request acknowledgement message to target mobility management entity;
Step 1008, target mobility management entity returns reorientation forward response message to former Mobility Management Entity;
Step 1009, former Mobility Management Entity sends switching command to former wireless side network element;
Step 1010, former wireless side network element sends switching command to terminal, and notification terminal switches;
Step 1011, continues to perform follow-up switching flow.
Embodiment four
With reference to shown in Figure 11, on the basis of communication system shown in Fig. 1, when terminal position renewal process, the idiographic flow realizing diffluent information transmission is as follows:
Step 1101, terminal sends tracing section updating request message through Target Wireless side network element to Mobility Management Entity, and carries activation mark;
Step 1102, target mobility management entity sends context request message to former Mobility Management Entity;
Step 1103, former Mobility Management Entity returns context acknowledge message to target mobility management entity, and carries diffluent information;
Step 1104, alternatively, terminal, Mobility Management Entity, Authentication Authorization server perform verification process;
Step 1105, target mobility management entity sends context acknowledgement message to former Mobility Management Entity;
Step 1106, target mobility management entity initiates bearing modification operation to core network gateway;
Step 1107, executing location more new technological process between target mobility management entity and Authentication Authorization server;
Step 1108, between Authentication Authorization server and former Mobility Management Entity, executing location cancels process;
Step 1009, target mobility management entity sends initial context to Target Wireless side network element and sets up request message, set up in request message at this initial context and carry distributing strategy, or accept to carry distributing strategy in message at the tracing section updating that this initial context is set up in request message.
Here, detailed process is identical with step 804.
Step 1110, target local gateway is set up request message from described initial context and is intercepted and captured described distributing strategy, and so far, in current location renewal process, the transmittance process of diffluent information completes;
Step 1111, Target Wireless side network element performs radio bearer process of establishing;
Step 1112, Target Wireless side network element returns initial context to target mobility management entity and has set up message or radio bearer has set up message;
Step 1113, carrying of modifying between target mobility management entity and core network gateway.
Above embodiment is the example that Mobility Management Entity changes, if Mobility Management Entity is constant in mobile process, after the signing or local policy of shunting then in the diffluent information preserved according to self of target mobility management entity is determined this carrying or is connected and can shunt, obtain distributing strategy and in RELOCATION REQUEST message, carry obtained distributing strategy, from this RELOCATION REQUEST message, distributing strategy is intercepted and captured again by target local gateway, or by Target Wireless side network element after receiving RELOCATION REQUEST message, distributing strategy is wherein sent to target local gateway.
Another embodiment is: in fast mobile terminal process, Mobility Management Entity judges whether to change, if Mobility Management Entity is constant, then Mobility Management Entity is after according to shunting, signing or local policy is determined this carrying or connected and can shunt, the distributing strategy including Subscriber Number or charging identifier or point traffic identifier etc. is carried, to send described target local gateway in RELOCATION REQUEST message.If Mobility Management Entity changes, then target mobility management entity after moving process Routing Area Update process immediately, can also send the distributing strategy including Subscriber Number or charging identifier or point traffic identifier to target local gateway by RAB assignment request message.
It should be noted that, in order to simplified characterization, above embodiment only illustrates the transfer mode of IP diffluent information for the situation of Fig. 1.But, no matter be the system situation shown in Fig. 1 or Fig. 2 or Fig. 3, no matter adopt Fig. 4 or Fig. 6 a or the data distribution mode shown in Fig. 6 b, no matter UTRAN or E-UTRAN system, no matter handoff procedure or position updating process, in moving process, the transfer mode of diffluent information is similar to the aforementioned embodiment, therefore repeats no more.
The above, be only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention, and all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (13)
1. transmit a method for diffluent information, it is characterized in that, described method comprises:
In moving process, whether former Mobility Management Entity judges self can as target mobility management entity;
If so, then the diffluent information that target mobility management entity has been preserved according to self obtains distributing strategy, and sends the distributing strategy obtained to target local gateway;
Otherwise, described diffluent information is sent to described target mobility management entity by former Mobility Management Entity, target mobility management entity receives described diffluent information, then obtains distributing strategy according to received diffluent information, and sends the distributing strategy obtained to target local gateway.
2. the method for transmission diffluent information according to claim 1, is characterized in that, described moving process is handoff procedure or position updating process.
3. the method for transmission diffluent information according to claim 1, is characterized in that, described diffluent information comprises the one or more of following information: Subscriber Number, charging identifier, shunting are contracted;
Described distributing strategy comprises the one or more of following information: Subscriber Number, charging identifier, point traffic identifier.
4. the method for transmission diffluent information according to claim 1, is characterized in that, described diffluent information is sent to described target mobility management entity by former Mobility Management Entity, is specially:
Former Mobility Management Entity carries described diffluent information in the specific information self sending to target mobility management entity, completes the transmission of described diffluent information to target mobility management entity.
5. the method for transmission diffluent information according to claim 4, is characterized in that, described former Mobility Management Entity sends to the specific messages of target mobility management entity, is specially reorientation forwarding request message or context response information.
6. the method for transmission diffluent information according to claim 1 and 2, it is characterized in that, before described target mobility management entity transmits distributing strategy to target local gateway, described method also comprises: described target mobility management entity is after getting described diffluent information, according to described diffluent information and/or self preserve local policy, judge current carrying or connect whether can shunt, if, then obtain distributing strategy according to described diffluent information and/or local policy, and send the distributing strategy obtained to target local gateway, otherwise, described distributing strategy is not transmitted to target local gateway.
7. the method for transmission diffluent information according to claim 1 and 2, it is characterized in that, diffluent information is sent to the process of target local gateway by target mobility management entity, be specially: in moving process, target mobility management entity, by carrying described distributing strategy in the specific messages self sending to Target Wireless side network element, sends described distributing strategy to target local gateway by Target Wireless side network element or directly sends target local gateway to.
8. the method for transmission diffluent information according to claim 7, it is characterized in that, described target mobility management entity sends to the specific messages of described Target Wireless side network element, is specially RELOCATION REQUEST message or handover request message or initial context and sets up request message or tracing section updating request message.
9. transmit a device for diffluent information, it is characterized in that, described device comprises: receiving element, in moving process, receives the diffluent information that former target mobility entity sends; Memory cell, for preserving described diffluent information; Delivery unit, the diffluent information for receiving according to described receiving element obtains described distributing strategy, and sends the distributing strategy obtained to target local gateway; Or, according to the diffluent information that described memory cell is preserved, in moving process, obtain distributing strategy, and send the distributing strategy obtained to target local gateway.
10. the device of transmission diffluent information according to claim 9, it is characterized in that, described device also comprises: authentication unit, for judging current carrying or connect whether can shunt according to the local policy of described diffluent information and/or self preservation, if, then start described delivery unit, described delivery unit is made to obtain distributing strategy according to described diffluent information and/or local policy, and send the distributing strategy obtained to described target local gateway, otherwise, do not start described delivery unit.
The device of 11. transmission diffluent informations according to claim 9, it is characterized in that, described delivery unit also for: in moving process, transmit distributing strategy by Target Wireless side network element to described target local gateway, or transmit distributing strategy directly to described target local gateway.
12. 1 kinds of systems transmitting diffluent information, it is characterized in that, described system comprises: target mobility management entity, former Mobility Management Entity, target local gateway, wherein,
Described target mobility management entity, for receiving the diffluent information that described former Mobility Management Entity sends, obtaining distributing strategy according to received diffluent information, and sending the distributing strategy obtained to target local gateway;
Described former Mobility Management Entity, for in moving process, whether judge self can as described target mobility management entity, if not, then send diffluent information to described target mobility management entity, otherwise, do not send diffluent information, the diffluent information preserved according to self obtains distributing strategy, and sends the distributing strategy obtained to target local gateway.
The system of 13. transmission diffluent informations according to claim 12, it is characterized in that, described system also comprises: Target Wireless side network element, for receiving the distributing strategy that described target mobility management entity sends, and the distributing strategy received is sent to described target local gateway.
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| CN201010209983.1A CN102300194B (en) | 2010-06-22 | 2010-06-22 | A kind of method and device, system transmitting diffluent information |
| PCT/CN2011/074581 WO2011160527A1 (en) | 2010-06-22 | 2011-05-24 | Method, apparatus and system for transmitting shunting information |
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| CN201010209983.1A CN102300194B (en) | 2010-06-22 | 2010-06-22 | A kind of method and device, system transmitting diffluent information |
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| WO2009034071A2 (en) * | 2007-09-10 | 2009-03-19 | Nokia Siemens Networks Oy | Service continuation for a local breakout service in case of handover |
| CN101730007A (en) * | 2009-05-19 | 2010-06-09 | 中兴通讯股份有限公司 | Method and system for forwarding message to home base station from home base station network gate |
| CN101730187A (en) * | 2009-05-13 | 2010-06-09 | 中兴通讯股份有限公司 | Method and system for realizing local access control of home base station |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009034071A2 (en) * | 2007-09-10 | 2009-03-19 | Nokia Siemens Networks Oy | Service continuation for a local breakout service in case of handover |
| CN101730187A (en) * | 2009-05-13 | 2010-06-09 | 中兴通讯股份有限公司 | Method and system for realizing local access control of home base station |
| CN101730007A (en) * | 2009-05-19 | 2010-06-09 | 中兴通讯股份有限公司 | Method and system for forwarding message to home base station from home base station network gate |
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