CN102026409B - System and method for releasing local internet protocol (IP) access connection - Google Patents
System and method for releasing local internet protocol (IP) access connection Download PDFInfo
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- CN102026409B CN102026409B CN200910178658.0A CN200910178658A CN102026409B CN 102026409 B CN102026409 B CN 102026409B CN 200910178658 A CN200910178658 A CN 200910178658A CN 102026409 B CN102026409 B CN 102026409B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/30—Connection release
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Abstract
The invention provides a system and a method for releasing local internet protocol (IP) access connection. The method comprises the following steps that when a local gateway and a wireless side network element are combined, if the local gateway monitors that the local IP access connection of users needs to be released, the local gateway or the wireless side network element informs a mobility management entity of releasing the local IP access connection of the users through an interface between the wireless side network element and the mobility management entity, and the mobility management entity releases all information related to the local IP access connection of the users after receiving the notification. By adopting the invention, how to release the local IP access connection can be implemented under the condition of not providing the interfaces of S5, S11 and Gn when the local gateway is combined with the wireless side network element or a domestic base station gateway.
Description
Technical field
The present invention relates to moving communicating field, be specifically related to a kind of system and method discharging local IP access and connect.
Background technology
Third generation partner program (3rd Generation Partnership Project, referred to as 3GPP) grouping system (the Evolved Packet System of evolution, referred to as EPS) by universal mobile telecommunications system land radio access web (the Evolved Universal Terrestrial Radio AccessNetwork of evolution, referred to as E-UTRAN), mobile management unit (Mobility Management Entity, referred to as MME), gateway (Serving Gateway, S-GW), grouped data network gateway (Packet Data Network Gateway, referred to as P-GW or PDN GW), home subscriber server (Home Subscriber Server, referred to as HSS), authentication and authorization charging (the Authentication of 3GPP, Authorization and Accounting, referred to as AAA) server, "Policy and Charging Rules Function (Policy and Charging Rules Function, referred to as PCRF) entity and other support nodes composition.Fig. 1 a is the schematic diagram of the EPS framework according to correlation technique, and Mobility Management Entity is responsible for the related work of the chain of command such as process and the contextual management of user's mobile management of mobile management, Non-Access Stratum signaling; 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 (Packet Data Network, referred to as PDN) network, be responsible for PDN access and between EPS and PDN the function such as forwarding data; S-GW and P-GW belongs to core network gateway.
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, base station from home can be directly connected to core network, as shown in Figure 1, also core network can be linked into by this logical ne of home base-station gateway, as shown in Figure 2 and Figure 3, wherein, home base-station gateway major function is: the fail safe of checking base station from home, the registration of process base station from home, operation maintenance management is carried out to base station from home, according to Carrier Requirements configuration and control base station from home, is responsible for the data of exchcange core net and base station from home.
Except supporting the access of mobile core network, mobile communication system (comprising home base station system) also can support local IP access function, wireless side network element possess local IP access ability and user contract allow local IP access condition under, this locality access of terminal to other IP devices of home network or internet can be realized.
The realization of local IP access can adopt following connection establishment mode: by setting up local gateway to provide providing powerful support for local IP access technology, and local gateway can carry out conjunction with wireless side network element and establish (as shown in Figure 1).When there is home base-station gateway, local gateway not only can carry out conjunction with base station from home and establish (as shown in Figure 2), also can carry out conjunction with home base-station gateway and establish (as shown in Figure 3).In addition, home base-station gateway can carry out conjunction with base station from home and establishes.For EUTRAN (EvolvedUniversal Terrestrial Radio Access Network, the universal mobile telecommunications system land radio access web of evolution) system, local gateway can be L-SGW (local SGW, Local SGW) and L-PGW (local PGW, Local PGW), also can be independent L-PGW.For UTRAN (Universal Terrestrial Radio Access Network, universal terrestrial access network) system, core network gateway can be SGSN (Serving GPRS Support Node, Serving GPRS SupportNode), GGSN (Gateway GPRS Support Node, Gateway GPRS Support Node); Local gateway can be L-GGSN (local GGSN, Local GGSN) and L-SGSN (local SGSN, Local SGSN), also can be independent L-GGSN.
Be example with LTE (Long Term Evolution, Long Term Evolution) mobile communications network framework, Fig. 4 shows the schematic data stream that local IP access in wireless communication system is connected with core net.
In the framework that the present invention uses, establish because local gateway (L-SGW, L-PGW, L-GGSN) and wireless side network element/home base-station gateway close, therefore S5, S11, gn interface no longer exist in this framework, there is internal interface between local gateway and wireless side network element/home base-station gateway, and the interface between Mobility Management Entity (MME, SGSN) then directly uses the S1/Iu interface of wireless side network element/between home base-station gateway and Mobility Management Entity.That is, local gateway is all connected with Mobility Management Entity by S1/Iu interface with wireless side network element/home base-station gateway.
In the prior art, in LTE system, when P-GW judges according to strategy the carrying needing releasing user, S5 interface (interface between P-GW and S-GW) can be passed through and notify S-GW, and then notify MME by S-GW by S11 interface (interface between S-GW and MME); When GGSN judges according to strategy the carrying needing releasing user in UTRAN system, gn interface (the direct interface of GGSN and SGSN) can be passed through and notify SGSN.And when local gateway and wireless side network element/home base-station gateway close establish, S5, S11, gn interface no longer exist, and therefore above-mentioned release flow process cannot realize.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of system and method discharging local IP access and connect, establish to solve to close at local gateway and wireless side network element/home base-station gateway, and when not providing S5, S11, gn interface, local gateway needs the problem discharging local IP access connection.
In order to solve the problem, the invention provides a kind of method discharging local IP access and connect, comprising:
When local gateway and wireless side network element close establish time, the local IP access of releasing user is needed to connect if local gateway monitors, described local gateway or wireless side network element are by the interface between wireless side network element and Mobility Management Entity, the local IP access that notice Mobility Management Entity discharges described user connects, and described Mobility Management Entity receives all information that described notice discharges described user's local IP access join dependency afterwards; Or,
When local gateway and home base-station gateway close establish time, the local IP access of releasing user is needed to connect if local gateway monitors, described local gateway or home base-station gateway are by the interface between home base-station gateway and Mobility Management Entity, the local IP access that notice Mobility Management Entity discharges described user connects, and described Mobility Management Entity receives all information that described notice discharges described user's local IP access join dependency afterwards.
Further, when local gateway and wireless side network element close establish time, local gateway or wireless side network element increase the instruction that release local IP access connects in the interface message sent; Or a newly-increased notice Mobility Management Entity discharges the message of the local IP access connection of described user.
When local gateway and home base-station gateway close establish time, local gateway or home base-station gateway increase the instruction that release local IP access connects in the interface message sent; Or a newly-increased notice Mobility Management Entity discharges the message of the local IP access connection of described user.
Further, if described user is in idle condition, described Mobility Management Entity or local gateway initiate paging flow process, the bearing resource connected with the local IP access discharging terminal;
If described user is in connection status, described Mobility Management Entity initiates carrying deactivation flow process to wireless side network element, and described wireless side network element initiates RRC Connection Release to terminal, the bearing resource connected with the local IP access discharging interface-free resources and terminal.
Further, when local gateway and wireless side network element close establish time, according to the instruction of local gateway, described wireless side network element judges whether that the local IP access needing to discharge described user connects, when needing the local IP access discharging described user to connect, the local IP access that wireless side network element notice Mobility Management Entity discharges described user connects;
When local gateway and home base-station gateway close establish time, according to the instruction of local gateway, described home base-station gateway judges whether that the local IP access needing to discharge described user connects, when needing the local IP access discharging described user to connect, the local IP access that home base-station gateway notice Mobility Management Entity discharges described user connects.
Further, when local gateway and wireless side network element close establish time, local gateway determines to carry the interface message of the instruction that release local IP access connects according to the instruction of wireless side network element;
When local gateway and home base-station gateway close establish time, local gateway determines to carry the interface message of the instruction that release local IP access connects according to the instruction of home base-station gateway.
The present invention also provides a kind of system discharging local IP access and connect, and comprises local gateway, wireless side network element and Mobility Management Entity;
Described local gateway and wireless side network element close to be established;
Described local gateway or wireless side network element, when monitoring for local gateway the local IP access connection needing releasing user, by the interface between wireless side network element and Mobility Management Entity, the local IP access that notice Mobility Management Entity discharges described user connects;
Described Mobility Management Entity, discharges all information of described user's local IP access join dependency afterwards for receiving described notice.
Further, described local gateway or wireless side network element notify that Mobility Management Entity discharges the local IP access connection of described user in the following manner:
Local gateway or wireless side network element increase the instruction that release local IP access connects in the interface message sent; Or a newly-increased notice Mobility Management Entity discharges the message of the local IP access connection of described user.
Further, if described user is in idle condition, described Mobility Management Entity or local gateway also for initiating paging flow process, with discharge terminal local IP access connect bearing resource;
If described user is in connection status, described Mobility Management Entity is also for initiating carrying deactivation flow process to wireless side network element, described wireless side network element also for initiating RRC Connection Release to terminal, the bearing resource connected with the local IP access discharging interface-free resources and terminal.
The present invention also provides a kind of system discharging local IP access and connect, and comprises local gateway, home base-station gateway and Mobility Management Entity;
Described local gateway and home base-station gateway close to be established;
Described local gateway or home base-station gateway, when monitoring for local gateway the local IP access connection needing releasing user, by the interface between home base-station gateway and Mobility Management Entity, the local IP access that notice Mobility Management Entity discharges described user connects;
Described Mobility Management Entity, discharges all information of described user's local IP access join dependency afterwards for receiving described notice.
Further, described local gateway or home base-station gateway notify that Mobility Management Entity discharges the local IP access connection of described user in the following manner:
Local gateway or home base-station gateway increase the instruction that release local IP access connects in the interface message sent; Or a newly-increased notice Mobility Management Entity discharges the message of the local IP access connection of described user.
Further, described system also comprises wireless side network element;
If described user is in idle condition, described Mobility Management Entity or local gateway also for initiating paging flow process, with discharge terminal local IP access connect bearing resource;
If described user is in connection status, described Mobility Management Entity is also for initiating carrying deactivation flow process to wireless side network element, described wireless side network element is used for initiating RRC Connection Release to terminal, the bearing resource connected with the local IP access discharging interface-free resources and terminal.
In sum, the invention provides a kind of system and method discharging local IP access and connect, can realize establishing when local gateway and wireless side network element or home base-station gateway close, and when S5, S11, gn interface are not provided, how discharge local IP access connection.
Accompanying drawing explanation
Fig. 1 is cordless communication network connection diagram one in prior art;
Fig. 2 is cordless communication network connection diagram two in prior art;
Fig. 3 is cordless communication network connection diagram three in prior art;
Fig. 4 is wireless communication system local IP access data flow diagram in prior art;
Fig. 5 is the flow chart one that releasing idling state terminal local IP access provided by the invention connects;
Fig. 6 is the flowchart 2 that releasing idling state terminal local IP access provided by the invention connects;
Fig. 7 release connection state provided by the invention terminal local IP accesses the flow chart connected.
Embodiment
Consider above variety of problems, the invention provides a kind of system and method discharging local IP access and connect, by the S1/Iu message of newly-increased S1/Iu message or expansion, notify that Mobility Management Entity discharges local IP access and connects by local gateway by wireless side network element/home base-station gateway.
All embodiments in the present invention are all applicable to LTE system and UTRAN systematic difference scene.In embodiments of the present invention, for LTE system, local gateway can be L-SGW and L-PGW, also can be independent L-PGW.For UTRAN system, local gateway can be L-GGSN and L-SGSN, and also can be independent L-GGSN, Mobility Management Entity refers to the MME in LTE system, the SGSN in UTRAN system.
In all the present embodiment in the present invention, establish because local gateway and wireless side network element/home base-station gateway close, interface between local gateway and wireless side network element/home base-station gateway is internal interface, therefore the message that local gateway issues Mobility Management Entity is exactly wireless side network element/home base-station gateway issues Mobility Management Entity message by S1/Iu interface.
system embodiment
Embodiment one
The present embodiment provides a kind of system discharging local IP access and connect, and as shown in Figure 1, comprises local gateway, wireless side network element and Mobility Management Entity; This system can also comprise home base-station gateway (as shown in Figure 2), and local gateway and wireless side network element close to be established;
Local gateway or wireless side network element, when monitoring for local gateway the local IP access connection needing releasing user, by the interface between wireless side network element and Mobility Management Entity, the local IP access of notice Mobility Management Entity releasing user connects;
Mobility Management Entity, for all information of notified rear releasing user local IP access join dependency.
Local gateway or wireless side network element notify that the local IP access of Mobility Management Entity releasing user connects in the following manner:
Local gateway or wireless side network element increase the instruction that release local IP access connects in the interface message sent; Or the message that the local IP access of a newly-increased notice Mobility Management Entity releasing user connects, as being local IP access Connection Release request message.
If user is in idle condition, Mobility Management Entity or local gateway also for initiating paging flow process, with discharge terminal local IP access connect bearing resource;
If user is in connection status, Mobility Management Entity also for initiating carrying deactivation flow process to wireless side network element, wireless side network element also for initiating RRC Connection Release to terminal, the bearing resource connected with the local IP access discharging interface-free resources and terminal.
When there is home base-station gateway, and when adopting the framework shown in Fig. 2, local gateway or the interacting message between wireless side network element and Mobility Management Entity all need through home base-station gateway.
Embodiment two
The present embodiment provides a kind of system discharging local IP access and connect, and as shown in Figure 3, comprises local gateway, home base-station gateway, wireless side network element and Mobility Management Entity; Local gateway and home base-station gateway close to be established;
Local gateway or home base-station gateway, when monitoring for local gateway the local IP access connection needing releasing user, by the interface between home base-station gateway and Mobility Management Entity, the local IP access of notice Mobility Management Entity releasing user connects;
Mobility Management Entity, for all information of notified rear releasing user local IP access join dependency.
Local gateway or home base-station gateway notify that the local IP access of Mobility Management Entity releasing user connects in the following manner:
Local gateway or home base-station gateway increase the instruction that release local IP access connects in the interface message sent; Or a newly-increased notice Mobility Management Entity discharges the message of the local IP access connection of described user, as being local IP access Connection Release request message.
If user is in idle condition, Mobility Management Entity or local gateway also for initiating paging flow process, with discharge terminal local IP access connect bearing resource;
If user is in connection status, Mobility Management Entity also for initiating carrying deactivation flow process to wireless side network element, wireless side network element also for initiating RRC Connection Release to terminal, the bearing resource connected with the local IP access discharging interface-free resources and terminal.
In this embodiment, the message between Mobility Management Entity and wireless side entity need forward via home base-station gateway.
embodiment of the method
Embodiment one
Be illustrated in figure 5 the flow chart that local gateway initiates local IP access Connection Release, in this flow process, terminal is in idle condition, initiates paging flow process by Mobility Management Entity.Concrete steps are described below:
Step 501, has local IP access and connects after terminal access to wireless communication system, can also have core net and connect.
Step 502, local gateway monitors needs release local IP access to connect;
Local gateway can be according to local policy or because the condition monitorings such as exception are to the connection of needs release local IP access.
Step 503, when local gateway and wireless side network element close establish time (framework as shown in Figure 1 or 2), local gateway or wireless side network element send message to Mobility Management Entity by the interface between wireless side network element and Mobility Management Entity, to notify that the local IP access of Mobility Management Entity releasing user connects; When local gateway and home base-station gateway close establish time (framework as shown in Figure 3), local gateway or home base-station gateway send message to Mobility Management Entity by the interface between home base-station gateway and Mobility Management Entity, to notify that the local IP access of Mobility Management Entity releasing user connects;
In EUTRAN system (i.e. LTE system), wireless side network element or the interface between home base-station gateway and Mobility Management Entity are S1 interfaces, in UTRAN system, wireless side network element or the interface between home base-station gateway and Mobility Management Entity are Iu interfaces.
In this step, when local gateway and wireless side network element close establish time, local gateway or wireless side network element increase the instruction of release local IP access connection in the interface message (i.e. S1/Iu interface message) sent; Or a newly-increased notice Mobility Management Entity discharges the message of the local IP access connection of described user, as local IP access Connection Release request message.
When local gateway and home base-station gateway close establish time, local gateway or home base-station gateway increase the instruction of release local IP access connection in the interface message (i.e. S1/Iu interface message) sent; Or a newly-increased notice Mobility Management Entity discharges the message of the local IP access connection of described user, local IP access Connection Release request message.
When there is home base-station gateway, and when adopting the framework shown in Fig. 2, local gateway or the interacting message between wireless side network element and Mobility Management Entity all need through home base-station gateway.When adopting the framework shown in Fig. 3, the interacting message between wireless side network element and Mobility Management Entity all needs to forward through home base-station gateway.
Further, close the wireless side network element established or according to the instruction of local gateway, home base-station gateway judges whether that the local IP access needing releasing user is connected with local network, this instruction can be the mark etc. of inside story or the setting sent; Or,
Local gateway determines the interface message of carrying the instruction that release local IP access connects according to the instruction of closing with it wireless side network element or the home base-station gateway established, and this instruction can be the mark etc. of inside story or the setting sent.
Step 504, after the notice that the local IP access that Mobility Management Entity receives releasing user connects, checks user's context, all information of the local IP access join dependency of releasing user.
Step 505, Mobility Management Entity sends local IP access connection release response message to local gateway.
This step is optional step, and namely local gateway can think that the request message sent in 503 steps does not need to wait for the response of Mobility Management Entity, or also can think that follow-up paging flow process is exactly the response of the request message in 503 steps.
Step 506, Mobility Management Entity finds that user is in idle condition, then initiate paging, the bearing resource connected with the IP access discharging terminal.Terminal can enter connected state by se ce request procedure, and in se ce request procedure, Mobility Management Entity can not indicate and reactivate local IP access connection.After se ce request procedure completes, do not re-establish because local IP access connects, the bearing resource that the local IP access that terminal can discharge self connects.
Step 507, when user only exists local IP access connection, Mobility Management Entity can activated user separation process.
The present embodiment for successful page to terminal, if non-paging is to terminal, then Mobility Management Entity still needs the information discharging local IP access connection, namely no matter whether successful page is to terminal, Mobility Management Entity all needs the information discharging local IP access connection, if non-paging is to terminal, then no longer perform step 506 and step 507.
Embodiment two
Be illustrated in figure 6 the flow chart that local gateway initiates local IP access Connection Release, in this flow process, terminal is in idle condition, initiates calling optimization flow process by local gateway.Concrete steps are described below:
Step 601, has local IP access and connects after terminal access to wireless communication system, can also have core net and connect.
Step 602, local gateway monitors needs release local IP access to connect;
Local gateway can be according to local policy or because the condition monitorings such as exception are to the connection of needs release local IP access.
Step 603, local gateway checks user's context, finds that terminal is in idle condition, then constructs beep-page message, adopt calling optimization mode, carry out local paging to terminal, namely only carry out paging to this base station.
Step 604, the terminal receiving beep-page message sends service request information as response to local gateway.
Step 605, when local gateway and wireless side network element close establish time, local gateway or wireless side network element send message to Mobility Management Entity by the interface between wireless side network element and Mobility Management Entity, to notify that the local IP access of Mobility Management Entity releasing user connects; When local gateway and home base-station gateway close establish time, local gateway or home base-station gateway send message to Mobility Management Entity by the interface between home base-station gateway and Mobility Management Entity, to notify that the local IP access of Mobility Management Entity releasing user connects;
Can in the following ways any one notice Mobility Management Entity:
Step 605a, service request information is included in S1/Iu message (user's initial message) repeating to Mobility Management Entity by wireless side network element;
Close the wireless side network element established or home base-station gateway with local network to be indicated by local IP access Connection Release according to the instruction of local gateway and be included in S1/Iu message, the local IP access of notice Mobility Management Entity releasing user connects; Described instruction refers to the instruction connected the need of release local IP access, and this instruction can be the mark etc. of inside story or the setting sent.
Or close the local gateway established according to the instruction of wireless side network element/home base-station gateway with wireless side network element/home base-station gateway, be included in S1/Iu message by the instruction of local IP access Connection Release, notice Mobility Management Entity release local IP access connects.Described instruction refers to that the local IP access that can carry releasing user in which bar S1/Iu message connects indication information, and this instruction can be the mark etc. of inside story or the setting sent.
Wherein, S1 interface refers to wireless side network element or the interface between home base-station gateway and Mobility Management Entity in EUTRAN system, and Iu interface refers to wireless side network element or the interface between home base-station gateway and Mobility Management Entity in UTRAN system.
When there is home base-station gateway, and when adopting the framework shown in Fig. 2, local gateway or the interacting message between wireless side network element and Mobility Management Entity all need through home base-station gateway.When adopting the framework shown in Fig. 3, the interacting message between wireless side network element and Mobility Management Entity all needs to forward through home base-station gateway.
Step 605b, when local gateway and wireless side network element close establish time (framework as shown in Figure 1 or 2), the local IP access that local gateway or wireless side network element send newly-increased message informing Mobility Management Entity releasing user by S1/Iu interface connects, when local gateway and home base-station gateway close establish time (framework as shown in Figure 3), the local IP access that local gateway or home base-station gateway send newly-increased message informing Mobility Management Entity releasing user by S1/Iu interface connects, and above-mentioned newly-increased message can be local IP access Connection Release request message;
When there is home base-station gateway, and when adopting the framework shown in Fig. 2, local gateway or the interacting message between wireless side network element and Mobility Management Entity all need through home base-station gateway.When adopting the framework shown in Fig. 3, the interacting message between wireless side network element and Mobility Management Entity all needs to forward through home base-station gateway.
Step 606, after the notice that the local IP access that Mobility Management Entity receives releasing user connects, checks UE context, all information of release local IP access join dependency.
Step 607, mode according to 605b notifies Mobility Management Entity, when local gateway and wireless side network element close establish time, Mobility Management Entity can also send local IP access connection release response message to local gateway or wireless side network element, when local gateway and home base-station gateway close establish time, Mobility Management Entity can also send local IP access connection release response message to local gateway or home base-station gateway.
This step is optional step, namely can think that the request notice sent during 605b walks does not need to wait for the response of Mobility Management Entity, or also can think that follow-up se ce request procedure is exactly the response of the request message in 605b step.
Step 608, continues to perform se ce request procedure, and in this flow process, Mobility Management Entity can not indicate and reactivate local IP access connection.After se ce request procedure completes, do not re-establish because local IP access connects, the bearing resource that the local IP access that terminal can discharge self connects.
Step 609, when user only exists local IP access connection, Mobility Management Entity can activated user separation process.
The present embodiment for successful page to terminal, if non-paging is to terminal, namely the service request in 604 steps is not received, then need by perform 605b, 606,607 steps discharge local IP access connect, wherein in step 605b, local gateway needs the failure of instruction Mobility Management Entity paging terminal, and Mobility Management Entity no longer needs to initiate paging, and the se ce request procedure of corresponding step 608 and 609 also no longer performs.
Embodiment three
Be illustrated in figure 7 the flow chart that local gateway initiates local IP access Connection Release, in this flow process, terminal is in connected state.Concrete steps are described below:
Step 701, has local IP access and connects after terminal access to wireless communication system, can also have core net and connect.
Step 702, local gateway monitors needs release local IP access to connect;
Local gateway can be according to local policy or because the condition monitorings such as exception are to the connection of needs release local IP access.
Step 703, when local gateway and wireless side network element close establish time (framework as shown in Figure 1 or 2), local gateway or wireless side network element send message to Mobility Management Entity by the interface between wireless side network element and Mobility Management Entity, to notify that the local IP access of Mobility Management Entity releasing user connects; When local gateway and home base-station gateway close establish time (framework as shown in Figure 3), local gateway or home base-station gateway send message to Mobility Management Entity by the interface between home base-station gateway and Mobility Management Entity, to notify that the local IP access of Mobility Management Entity releasing user connects;
In this step, when local gateway and wireless side network element close establish time, local gateway or wireless side network element increase the instruction of release local IP access connection in the interface message (i.e. S1/Iu interface message) sent; Or a newly-increased notice Mobility Management Entity discharges the message of the local IP access connection of described user, as local IP access Connection Release request message.When local gateway and home base-station gateway close establish time, local gateway or home base-station gateway increase the instruction of release local IP access connection in the interface message (i.e. S1/Iu interface message) sent; Or a newly-increased notice Mobility Management Entity discharges the message of the local IP access connection of described user, local IP access Connection Release request message.
Wherein S1 interface refers to wireless side network element or the interface between home base-station gateway and Mobility Management Entity in EUTRAN system, and Iu interface refers to wireless side network element or the interface between home base-station gateway and Mobility Management Entity in UTRAN system.
When there is home base-station gateway, when adopting the framework shown in Fig. 2, local gateway or the interacting message between wireless side network element and Mobility Management Entity all need through home base-station gateway.When adopting the framework shown in Fig. 3, the interacting message between wireless side network element and Mobility Management Entity all needs to forward through home base-station gateway.
Further, close the wireless side network element established or according to the instruction of local gateway, home base-station gateway judges whether that the local IP access needing releasing user is connected with local network, this instruction can be the mark etc. of inside story or the setting sent;
Local gateway determines the interface message of carrying the instruction that release local IP access connects according to the instruction of closing with it wireless side network element or the home base-station gateway established, and this instruction can be the mark etc. of inside story or the setting sent.
Step 704, when local gateway and wireless side network element close establish time, Mobility Management Entity can also send local IP access connection release response message to local gateway or wireless side network element, when local gateway and home base-station gateway close establish time, Mobility Management Entity can also send local IP access connection release response message to local gateway or home base-station gateway.
This step is optional step, namely can think that the request message sent in 703 steps does not need to wait for the response of Mobility Management Entity, or also can think that follow-up carrying release flow process is exactly the response of the request message in 703 steps.
Step 705,706, Mobility Management Entity finds that user is in connection status, and initiate carrying deactivation flow process, wireless side network element initiates RRC Connection Release to terminal.With the bearing resource that the local IP access discharging interface-free resources and terminal connects.
Step 707, after the notice that the local IP access that Mobility Management Entity receives releasing user connects, checks UE context, all information of release local IP access join dependency.This step can perform any time after step 703, has more than limitation order therewith.
Step 708, when user only exists local IP access connection, Mobility Management Entity can activated user separation process.
Above in each embodiment, when local gateway and home base-station gateway close establish time, message between Mobility Management Entity and wireless side entity will forward via home base-station gateway, and the message between Mobility Management Entity and local gateway no longer needs home base-station gateway to forward, to the Function Extension of wireless side network element in flow process, also change into the expansion to home base-station gateway function.In these cases, the mode that local IP access connects mobility support is very similar to above-described embodiment, can not impact elaboration the present invention, therefore in this no longer repeated description.
Wireless side network element can be base station, base station from home, RNC (radio network controller, RadioNetwork Controller).Mobility Management Entity can be MME (mobile management unit, MobilityManagement Entity), MSC (mobile switching centre, Mobile Switching Centre), SGSN (Serving GPRS Support Node, Serving GPRS Support Node).Local gateway can be L-SGW and L-PGW, can be independent L-PGW, can be L-GGSN and L-SGSN, can be independent L-GGSN.
Local IP access connection can be the triage operator of local IP access user local network, local IP access company local network, local IP access the Internet, Internet service.
The wireless side network element of local IP access can be identical with local gateway address.
The local IP access related to herein can refer to LIPA, its full name represents with LocalIP Access, but be not restricted to this specific unique appellation, local IP access can also comprise one of following: the triage operator of local IP access user local network, local IP access company local network, local IP access the Internet, the Internet or company or home business, does not repeat below.
Obviously, those skilled in the art should be understood that, above-mentioned of the present invention each module or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on network that multiple calculation element forms, alternatively, they can realize with the executable program code of calculation element, thus, they can be stored and be performed by calculation element in the storage device, or they are made into each integrated circuit modules respectively, or the multiple module in them or step are made into single integrated circuit module to realize.Like this, the present invention is not restricted to any specific hardware and software combination.
Claims (8)
1. discharge the method that local IP access connects, comprising:
When local gateway and wireless side network element close establish time, the local IP access of releasing user is needed to connect if local gateway monitors, described local gateway or wireless side network element are by the interface between wireless side network element and Mobility Management Entity, the local IP access that notice Mobility Management Entity discharges described user connects, and described Mobility Management Entity receives all information that described notice discharges described user's local IP access join dependency afterwards; Or,
When local gateway and home base-station gateway close establish time, the local IP access of releasing user is needed to connect if local gateway monitors, described local gateway or home base-station gateway are by the interface between home base-station gateway and Mobility Management Entity, the local IP access that notice Mobility Management Entity discharges described user connects, and described Mobility Management Entity receives all information that described notice discharges described user's local IP access join dependency afterwards;
When local gateway and wireless side network element close establish time, local gateway or wireless side network element increase the instruction that release local IP access connects in the interface message sent; Or a newly-increased notice Mobility Management Entity discharges the message of the local IP access connection of described user;
When local gateway and home base-station gateway close establish time, local gateway or home base-station gateway increase the instruction that release local IP access connects in the interface message sent; Or a newly-increased notice Mobility Management Entity discharges the message of the local IP access connection of described user;
Wherein,
Interface between described wireless side network element and Mobility Management Entity is S1/Iu interface, and the interface between described home base-station gateway and Mobility Management Entity is S1/Iu interface,
Described interface message is S1/Iu interface message;
The message that described local IP access connects is local IP access Connection Release request message.
2. the method for claim 1, is characterized in that, described method also comprises:
If described user is in idle condition, described Mobility Management Entity or local gateway initiate paging flow process, the bearing resource connected with the local IP access discharging terminal;
If described user is in connection status, described Mobility Management Entity initiates carrying deactivation flow process to wireless side network element, and described wireless side network element initiates RRC Connection Release to terminal, the bearing resource connected with the local IP access discharging interface-free resources and terminal.
3. the method for claim 1, is characterized in that:
When local gateway and wireless side network element close establish time, according to the instruction of local gateway, described wireless side network element judges whether that the local IP access needing to discharge described user connects, when needing the local IP access discharging described user to connect, the local IP access that wireless side network element notice Mobility Management Entity discharges described user connects;
When local gateway and home base-station gateway close establish time, according to the instruction of local gateway, described home base-station gateway judges whether that the local IP access needing to discharge described user connects, when needing the local IP access discharging described user to connect, the local IP access that home base-station gateway notice Mobility Management Entity discharges described user connects.
4. the method for claim 1, is characterized in that:
When local gateway and wireless side network element close establish time, local gateway determines to carry the interface message of the instruction that release local IP access connects according to the instruction of wireless side network element;
When local gateway and home base-station gateway close establish time, local gateway determines to carry the interface message of the instruction that release local IP access connects according to the instruction of home base-station gateway.
5. discharge the system that local IP access connects, comprise local gateway, wireless side network element and move
Mobility management entity; It is characterized in that:
Described local gateway and wireless side network element close to be established;
Described local gateway or wireless side network element, when monitoring for local gateway the local IP access connection needing releasing user, by the interface between wireless side network element and Mobility Management Entity, the local IP access that notice Mobility Management Entity discharges described user connects;
Described Mobility Management Entity, discharges all information of described user's local IP access join dependency afterwards for receiving described notice;
Described local gateway or wireless side network element notify that Mobility Management Entity discharges the local IP access connection of described user in the following manner:
Local gateway or wireless side network element increase the instruction that release local IP access connects in the interface message sent; Or a newly-increased notice Mobility Management Entity discharges the message of the local IP access connection of described user;
Wherein,
Interface between described wireless side network element and Mobility Management Entity for interface message described in S1/Iu interface be S1/Iu interface message;
The message that described local IP access connects is local IP access Connection Release request message.
6. system as claimed in claim 5, is characterized in that:
If described user is in idle condition, described Mobility Management Entity or local gateway also for initiating paging flow process, with discharge terminal local IP access connect bearing resource;
If described user is in connection status, described Mobility Management Entity is also for initiating carrying deactivation flow process to wireless side network element, described wireless side network element also for initiating RRC Connection Release to terminal, the bearing resource connected with the local IP access discharging interface-free resources and terminal.
7. discharge local IP access connect a system, comprise local gateway, home base-station gateway and
Mobility Management Entity; It is characterized in that:
Described local gateway and home base-station gateway close to be established;
Described local gateway or home base-station gateway, when monitoring for local gateway the local IP access connection needing releasing user, by the interface between home base-station gateway and Mobility Management Entity, the local IP access that notice Mobility Management Entity discharges described user connects;
Described Mobility Management Entity, discharges all information of described user's local IP access join dependency afterwards for receiving described notice;
Described local gateway or home base-station gateway notify that Mobility Management Entity discharges the local IP access connection of described user in the following manner:
Local gateway or home base-station gateway increase the instruction that release local IP access connects in the interface message sent; Or a newly-increased notice Mobility Management Entity discharges the message of the local IP access connection of described user;
Wherein,
Interface between described home base-station gateway and Mobility Management Entity is S1/Iu interface,
Described interface message is S1/Iu interface message;
The message that described local IP access connects is local IP access Connection Release request message.
8. system as claimed in claim 7, is characterized in that:
Described system also comprises wireless side network element;
If described user is in idle condition, described Mobility Management Entity or local gateway also for initiating paging flow process, with discharge terminal local IP access connect bearing resource;
If described user is in connection status, described Mobility Management Entity is also for initiating carrying deactivation flow process to wireless side network element, described wireless side network element is used for initiating RRC Connection Release to terminal, the bearing resource connected with the local IP access discharging interface-free resources and terminal.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910178658.0A CN102026409B (en) | 2009-09-22 | 2009-09-22 | System and method for releasing local internet protocol (IP) access connection |
| PCT/CN2010/076254 WO2011035671A1 (en) | 2009-09-22 | 2010-08-23 | System and method for releasing local internet protocol (ip) access connection |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200910178658.0A CN102026409B (en) | 2009-09-22 | 2009-09-22 | System and method for releasing local internet protocol (IP) access connection |
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| CN102857936B (en) * | 2011-06-27 | 2017-03-15 | 中兴通讯股份有限公司 | The processing method and processing device of local IP access connection in handoff procedure |
| CN103517362A (en) | 2012-06-29 | 2014-01-15 | 北京三星通信技术研究有限公司 | Access control judgment method |
| CN103874008A (en) * | 2014-03-24 | 2014-06-18 | 中国科学院计算技术研究所 | Off-line Ad-Hoc network communication system, method and construction method under Femto cell architecture |
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| CN101483932B (en) * | 2008-01-08 | 2010-09-29 | 大唐移动通信设备有限公司 | Method for releasing packet data network connection |
| CN101355806B (en) * | 2008-08-29 | 2012-05-23 | 中兴通讯股份有限公司 | Method, apparatus and system for releasing network session |
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| CN101039334A (en) * | 2006-03-15 | 2007-09-19 | 中兴通讯股份有限公司 | Method for canceling IP address |
| CN101291529A (en) * | 2007-04-20 | 2008-10-22 | 华为技术有限公司 | Method and apparatus for identifying bearing type |
| CN101394340A (en) * | 2007-09-19 | 2009-03-25 | 华为技术有限公司 | Data transmission method, system and apparatus |
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| WO2011035671A1 (en) | 2011-03-31 |
| CN102026409A (en) | 2011-04-20 |
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