CN102014452B - Method and system for implementing mobility of local IP (Internet Protocol) access connection - Google Patents
Method and system for implementing mobility of local IP (Internet Protocol) access connection Download PDFInfo
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- CN102014452B CN102014452B CN200910092813.7A CN200910092813A CN102014452B CN 102014452 B CN102014452 B CN 102014452B CN 200910092813 A CN200910092813 A CN 200910092813A CN 102014452 B CN102014452 B CN 102014452B
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Abstract
The invention discloses a method for implementing mobility of local IP (Internet Protocol) access connection, comprising the following steps that a new local service gateway judges whether the local IP access connection has the mobility or not according to the identification information of the original local access gateway, or the identification information of the original wireless network element/domestic base station gateway or the identification information of the original external local gateway of the local IP access connection provided by the mobility management entity of the current service user; the new local service gateway indicates the mobility management entity to carry out mobility processing on the local IP access connection according to a judged result. The invention also provides a system for implementing the mobility of the local IP access connection. The mobility is implemented on the local IP access connection through the method and the system.
Description
Technical field
The present invention relates to the local IP access technical field in mobile communication, relate in particular to a kind of local IP access and connect mobility method and the system of realizing.
Background technology
Third generation partner program (3GPP, 3rd Generation Partnership Project) 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.
As shown in Figure 1a, MME is responsible for the associative operation of the chain of command such as processing and the contextual management of user's mobile management of mobile management, Non-Access Stratum signaling to the system architecture of EPS; IAD comprises S-GW and P-GW, and S-GW is the accessing gateway equipment being connected with E-UTRAN, forwarding data between E-UTRAN and P-GW, and be responsible for the pending datas such as paging to carry out buffer memory; P-GW is the borde gateway of EPS and packet data network (PDN, Packet Data Network), is responsible for the access of PDN and forwarding data etc. between EPS and PDN; Authentication Authorization server comprises HSS, 3GPP AAA; PCRF is by receiving interface Rx and the Internet protocol (IP of operator, Internet Protocol) business network be connected, obtain business information, in addition, PCRF is connected with the gateway device in network by Gx/Gxa/Gxc interface, is responsible for initiating the foundation of IP carrying, guarantees the service quality (QoS of business datum, Quality of Service), and carry out charging control.
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 use the needed expense of high rate services for higher service rate being provided to user and reducing, and makes up the deficiency that existing distributed cellular radio communication system covers simultaneously.
Base station from home can be directly connected to core net, also can be linked into core net by this logical ne of home base-station gateway.The major function of home base-station gateway is: the fail safe of checking base station from home, process the registration of base station from home, and base station from home is carried out to operation maintenance management, 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.IAD can be S-GW, P-GW, Serving GPRS Support Node (SGSN, Serving GPRS Support Node), Gateway GPRS Support Node (GGSN, Gateway GPRS Support Node).Local gateway can be local SGW (L-SGW, Local SGW), local PGW (L-PGW, Local PGW), virtual SGW (V-SGW, Virtual SGW), virtual PGW (V-PGW, Virtual PSGW), local GGSN (L-GGSN, Local GGSN), external L-GW.As shown in Fig. 1 b, 1c, local gateway can close and establish with wireless side network element, also can close and establish with home base-station gateway, can also be near wireless side network element or home base-station gateway (being external mode).
In order to realize local IP access (LIPA, Local IP Access) function, i.e. this locality access of user terminal (UE, User Equipment) to other IP devices of home network or internet, EPS has set up local gateway.Setting up that local access network closes can provide providing powerful support for local IP access technology, local gateway can and wireless side network element close and establish or near wireless side network element (external), also can and home base-station gateway close and establish or near home base-station gateway (external).
As shown in Figure 2, Fig. 2 is the data flow path schematic diagram of local IP access and traditional IP core network access in mobile communications network framework, for the user who supports local IP access, can set up traditional IP core network visit data path and local IP access data path.For the connection of local IP access, local IP access data path is from UE to wireless side network element/home base-station gateway, then to local access network pass (L-SGW, L-PGW), transfer of data is without core net.In order to realize this locality access of UE to other IP devices of home network or internet, can set up two connections, Article 1, local IP access data path is directly accessed the Internet (the Internet LIPA connection), and Article 2 local IP access data path is directly accessed other IP devices of home network (home network LIPA connection).
After user initiates business and connects, for improving user's experience, Carrier Requirements network must can provide business continuance.Now require user's connection to have mobility,, in the time that connection has mobility, network can provide business continuance.
As shown in Figure 3, Fig. 3 represents in mobile communications network framework, after UE moves, and the data flow path of local IP access and the access of traditional IP core network.Due to the particularity (data flow is directly from the transmission of wireless side network element/home base-station gateway) of local IP access connection, after UE moves, the data flow of local IP access need to be passed through new wireless side network element/home base-station gateway, new local service gateway and former local IAD.Wherein, former local IAD is positioned at former wireless side network element/home base-station gateway or in its vicinity external, and new local service gateway is positioned at new wireless side network element/home base-station gateway or in its vicinity external.Therefore, local IP access connects whether have mobility, depends on and whether has interface between the two.But, in prior art, also do not have solution can judge this relation, therefore prior art cannot realize the mobility that local IP access connects.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of local IP access to connect mobility method and the system of realizing, the mobility connecting to realize local IP access.
For achieving the above object, technical scheme of the present invention is achieved in that
The invention provides a kind of local IP access connection and realize mobility method, the method comprises:
The identification information of former local IAD or the identification information of former wireless side network element/home base-station gateway or former external local gateway identification information that local internet protocol (IP) access that new local service gateway provides according to current service user's Mobility Management Entity connects, judge described local IP access connects whether have mobility;
Described new local service gateway, according to judged result, indicates described Mobility Management Entity to connect and carry out mobility processing local IP access.
The method further comprises:
The identification information of the former local IAD that described new local service gateway connects local IP access, compare with the identification information that self allows the local access network being connected to close, judge between described new local service gateway and former local IAD whether have interface, to judge described local IP access connects whether have mobility;
Or, the identification information of former wireless side network element/home base-station gateway that local IP access is connected, compare with self allowing the identification information of the wireless side network element/home base-station gateway being connected, judge between new wireless side network element/home base-station gateway and former wireless side network element/home base-station gateway whether have interface, to judge described local IP access connects whether have mobility;
Or, the former external local gateway identification information that local IP access is connected, compare with self allowing the external local gateway identification information of access, judge between described new local service gateway and former external local gateway whether have interface, to judge described local IP access connects whether have mobility.
Described identification information is address information or other special identification informations.
Described according to judged result, local IP access is connected and carries out mobility processing, be specially:
According to described judged result, in the time that described local IP access connection has mobility, described Mobility Management Entity activates local IP access and connects; Otherwise described new local service gateway indication Mobility Management Entity discharges described local IP access and connects.
The method further comprises: in the time that Mobility Management Entity changes, the identification information of former local IAD or the identification information of former wireless side network element/home base-station gateway or former external local gateway identification information that described local IP access connects, send to new Mobility Management Entity by former Mobility Management Entity.
The method further comprises: in the time that Mobility Management Entity changes, in the time that described local IP access connection does not have mobility, described new Mobility Management Entity indicates former Mobility Management Entity cannot rebuild local IP access connection, and described former Mobility Management Entity is initiated the carrying releasing operation of former wireless access gateway and former wireless service gateway.
The method further comprises: identification information or the new external local gateway identification information of the identification information that described new wireless side network element closes new local access network or new wireless side network element/home base-station gateway send to described new Mobility Management Entity.
Described Mobility Management Entity is mobility management unit MME or moving exchanging center MSC or service universal grouping wireless Serving GPRS Support Node SGSN;
Described wireless side network element is base station or base station from home or radio network controller (RNC).
The present invention also provides a kind of local IP access to connect and has realized ambulant system, and this system comprises: Mobility Management Entity and new local service gateway, wherein,
Described Mobility Management Entity, for the identification information of former local IAD or the identification information of former wireless side network element/home base-station gateway or the former external local gateway identification information that provide local IP access to connect to described new local service gateway;
Described new local service gateway, for the identification information of former local IAD or the identification information of former wireless side network element/home base-station gateway or the former external local gateway identification information that provide according to described new Mobility Management Entity, judge described local IP access connects whether have mobility, and according to judged result, indicate described Mobility Management Entity to connect and carry out mobility processing local IP access.
Described identification information is address information or other special identification informations.
Described new local service gateway is further used for, the identification information of the former local IAD that local IP access is connected, compare with the identification information that self allows the local access network being connected to close, judge between described new local service gateway and former local IAD whether have interface, to judge described local IP access connects whether have mobility;
Or, the identification information of former wireless side network element/home base-station gateway that local IP access is connected, compare with self allowing the identification information of the wireless side network element/home base-station gateway being connected, judge between new wireless side network element/home base-station gateway and former wireless side network element/home base-station gateway whether have interface, to judge described local IP access connects whether have mobility;
Or, the former external local gateway identification information that local IP access is connected, compare with self allowing the external local gateway identification information of access, judge between described new local service gateway and former external local gateway whether have interface, to judge described local IP access connects whether have mobility.
Described new local service gateway is further used for, and according to described judged result, in the time that Mobility Management Entity changes, in the time that described local IP access connection has mobility, indicates described Mobility Management Entity to activate local IP access and connects; Otherwise, indicate described Mobility Management Entity to discharge described local IP access and connect.
A kind of local IP access provided by the present invention connects mobility method and the system of realizing, the identification information of former local IAD or the identification information of former wireless side network element/home base-station gateway that are provided according to new Mobility Management Entity by new local service gateway, judge between new wireless side network element/home base-station gateway and former local IAD or between new wireless side network element/home base-station gateway and former wireless side network element/home base-station gateway whether have interface; New local service gateway, according to judged result, indicates new Mobility Management Entity to connect and carry out mobility processing local IP access.By method and system of the present invention, realize the mobility that local IP access connects, improve the service feature of system.
Accompanying drawing explanation
Fig. 1 a is the system architecture schematic diagram one of EPS in prior art;
Fig. 1 b is the system architecture schematic diagram two of EPS in prior art;
Fig. 1 c is the system architecture schematic diagram three of EPS in prior art;
Fig. 2 is the data flow diagram of local IP access in prior art;
Fig. 3 is the data flow diagram that in prior art, UE moves rear local IP access;
Fig. 4 is that a kind of local IP access connection of the present invention realizes mobility method flow chart;
Fig. 5 is the process chart one that the embodiment of the present invention connects local IP in service request process;
Fig. 6 is the process chart two that the embodiment of the present invention connects local IP in service request process;
Fig. 7 is the process chart one that the embodiment of the present invention connects local IP in tracing section updating process;
Fig. 8 is the process chart two that the embodiment of the present invention connects local IP in tracing section updating process.
Embodiment
Below in conjunction with the drawings and specific embodiments, the technical solution of the present invention is further elaborated.
A kind of local IP access provided by the present invention connects realizes mobility method, and as shown in Figure 4, the method comprises:
Step 401, the identification information of former local IAD or the identification information of former wireless side network element/home base-station gateway or former external local gateway identification information that the local IP access that new local service gateway provides according to current service user's Mobility Management Entity connects, judge local IP access connects whether have mobility.
In new local service gateway, store and self allow the local access network pass of connection or the identification information of wireless side network element/home base-station gateway or external local gateway, new local service gateway passes through the identification information of the former local IAD that local IP access is connected, compare with the identification information that self allows the local access network being connected to close, judge between new local service gateway and former local IAD whether have interface, and then judge local IP access connects whether have mobility; Or, the identification information of former wireless side network element/home base-station gateway that local IP access is connected, compare with self allowing the identification information of the wireless side network element/home base-station gateway being connected, judge between new wireless side network element/home base-station gateway and former wireless side network element/home base-station gateway whether have interface, and then judge local IP access connects whether have mobility; Or, the former external local gateway identification information that local IP access is connected, compare with self allowing the external local gateway identification information of access, judge between new local service gateway and former external local gateway whether have interface, and then judge local IP access connects whether have mobility.
In addition, in the present invention, the identification information of indication local access network pass or wireless side network element/home base-station gateway or external local gateway can be address information, can be also other special identification informations.
Step 402, new local service gateway is according to judged result, and indication Mobility Management Entity connects and carries out mobility processing local IP access.
According to judged result, in the time that local IP access connection has mobility, new local service gateway indication Mobility Management Entity activates local IP access and connects; Otherwise new local service gateway indication Mobility Management Entity discharges local IP access and connects.
It is to be noted, in the time that Mobility Management Entity changes, the identification information of former local IAD or the identification information of former wireless side network element/home base-station gateway or former external local gateway identification information that local IP access connects, send to new Mobility Management Entity by former Mobility Management Entity.And in the time that local IP access connection does not have mobility, new Mobility Management Entity indicates former Mobility Management Entity cannot rebuild local IP access connection, and former Mobility Management Entity is initiated the carrying releasing operation of former wireless access gateway and former wireless service gateway.
Wireless side network element in the present invention can be base station, base station from home, radio network controller (RNC, Radio Network Controller).Mobility Management Entity can be mobile management unit (MME, Mobility Management Entity), mobile switching centre (MSC, Mobile Switching Centre), SGSN.Local gateway (local access network pass, local service gateway) can be L-SGW, L-PGW, L-GGSN, external L-GW.The IAD of core net can be S-GW, SGSN.
Below in conjunction with Fig. 5 and embodiment illustrated in fig. 6, above-mentioned local IP access is connected and realizes mobility method further description.Fig. 5 and Figure 6 shows that the flow chart that carries out service request procedure when UE is converted to connected state by Idle state in LTE system.In this embodiment, local access network closes as L-PGW, and local service gateway is L-SGW, and shown in Fig. 5, flow process specifically comprises the following steps:
First, when UE is idle, Mobility Management Entity need to be preserved local gateway (L-PGW, L-SGW, the external L-GW) identification information that local IP connects, and can also preserve the identification information of the wireless side network element of local IP connection.Wherein, the identification information of L-PGW, L-SGW, external L-GW, wireless side network element can be address information, can be also other special identification informations.
Step 501, has local IP access (LIPA) and connects after UE access to wireless communication system, after this UE enters Idle state.
Step 502, UE sends service request information through new wireless side network element to Mobility Management Entity.
Wherein, in the message that new wireless side network element sends to Mobility Management Entity, can carry the identification information of new wireless side network element, can also carry the identification information of new local gateway (L-PGW, L-SGW).In the time that local gateway adopts the mode of external L-GW, also need to carry the identification information of external L-GW.Mobility Management Entity is MME.
Step 504, the local IP access that Mobility Management Entity is user connects selects new local service gateway (new L-SGW), and sends session establishment request message to new L-SGW.In message, need to carry the former wireless side network element that local IP access connects identification information or former local IAD (L-PGW) identification information, can carry the identification information of new wireless side network element simultaneously, can carry LIPA indication.In the time that former local IAD adopts the mode of external L-GW, need to carry the identification information of the former L-GW of local IP access connection, can carry the identification information of new wireless side network element simultaneously, can carry LIPA indication.
In the time that user carries out service request, if wireless side network element does not change, new wireless side network element is identical with former wireless side network element, and Mobility Management Entity does not need to initiate this step, and continues normal service request flow process in prior art.
Step 505, new L-SGW receives after message, judges according to the parameter of carrying in message whether whether local IP connection can reactivate after UE moves, have mobility.
If what carry in message is the former L-PGW identification information that local IP access connects, the L-PGW information that new L-SGW can connect according to it and the identification information of former L-PGW, judge between new L-SGW and former L-PGW whether have interface.The information of the L-PGW that new L-SGW can connect can local configure, and also can be notified by other network element (as webmaster HMS).
If what carry in message is the former wireless side network element ID information that local IP access connects, new L-SGW, according to the wireless side network element that can connect and the identification information of former wireless side network element, judges between new wireless side network element and former wireless side network element whether have interface.The information of the wireless side network element that new wireless side network element can connect can local configure, and also can be notified by other network element (as webmaster HMS).
If what carry in message is the former L-GW identification information that local IP access connects, the L-GW information that new L-SGW can connect according to it and the identification information of former L-GW, judge between new L-SGW and former L-GW whether have interface.The information of the L-GW that new L-SGW can connect can local configure, and also can be notified by other network element (as webmaster HMS).
If there is interface between new L-SGW and former L-PGW, or there is interface between new wireless side network element and former wireless side network element, or have interface between new L-SGW and former L-GW, think that local IP access connection has mobility; Otherwise, think that local IP access connection does not have mobility.
According to the judged result of step 505, in the time that local IP access connection does not have mobility, Mobility Management Entity is initiated local IP access Connection Release flow process, specific as follows:
Step 506, new local service gateway is responded session establishment response message to Mobility Management Entity, needs to carry specific cause value (failure cause) in message, and indication cannot be set up local IP access and be connected.
It is pointed out that no matter whether UE has mobility if user exists core net to connect simultaneously, all need to initiate the wireless side carrying Establishing process that core net connects.No matter the local IP access of UE connects whether have mobility, does not affect the normal activation process that core net connects.
Figure 5 shows that local IP access connection does not have ambulant situation, connect and have ambulant processing for local IP access, as shown in Figure 6, wherein, the operation of step 601～605 is identical with above-mentioned steps 501～505, repeats no more herein.According to the judged result of step 605, in the time that local IP access connection has mobility, Mobility Management Entity need to be initiated the activation process that local IP access connects, specific as follows:
Step 606, new L-SGW responds session establishment response message to Mobility Management Entity.
Step 607, Mobility Management Entity sends initial context to new wireless side network element and sets up request message.
Step 608, new wireless side network element is carried out radio bearer process of establishing.
Step 609, new wireless side network element is responded initial context to Mobility Management Entity and has been set up message.
Step 610, sets up forwarding tunnel between new L-SGW and former L-SGW.
Step 611, Mobility Management Entity is initiated bearing modification flow process to new L-SGW, and new L-SGW and former L-PGW carry out bearing modification flow process.
Step 612, triggers by timer, and Mobility Management Entity discharges flow process to former L-SGW initiation session.
Step 613, triggers by timer, and Mobility Management Entity is initiated forwarding tunnel to former L-SGW and discharged flow process.
Step 614, triggers by timer, and Mobility Management Entity is initiated forwarding tunnel to new L-SGW and discharged flow process.
It is pointed out that no matter whether UE has mobility if user exists core net to connect simultaneously, all need to initiate the wireless side carrying Establishing process that core net connects.No matter the local IP access of UE connects whether have mobility, does not affect the normal activation process that core net connects.
In the time that local IP access connection does not have mobility, in the present embodiment, be connected to example to discharge local IP access, now, also local IP access can be connected and transfer core net connection to, this flow process is same as the prior art, repeats no more herein.After downlink data trigger network is initiated the paging of Idle state UE, UE can initiating business request flow process activate connection, and it is identical with flow processing shown in Fig. 5 and Fig. 6 whether now local IP access connection activates, and repeats no more herein.
Again in conjunction with Fig. 7 and embodiment illustrated in fig. 8, above-mentioned local IP access is connected and realizes mobility method further description below.Fig. 7 and Figure 8 shows that the flow chart that carries out tracing section updating process when UE is converted to connected state by Idle state in LTE system.In this embodiment, local access network closes as L-PGW, and local service gateway is L-SGW, and shown in Fig. 7, flow process specifically comprises the following steps:
First, when UE is idle, Mobility Management Entity need to be preserved the identification information of the local gateway (L-PGW, L-SGW, external L-GW) of local IP connection, can also preserve the identification information of the wireless side network element of local IP connection.Wherein the identification information of L-PGW, L-SGW, L-GW, wireless side network element can be address information, can be also other special identification informations.
Step 701, has local IP access and connects after UE access to wireless communication system, after this UE enters Idle state.
Step 703, new wireless side network element is the Mobility Management Entity (being referred to as new Mobility Management Entity) that user selects current service, and tracing section updating request is included in initial user message/upstream message message transfer and issues new Mobility Management Entity.
Wherein, in the message that new wireless side network element sends to Mobility Management Entity, new wireless side network element ID information can be carried, new local gateway (L-PGW, L-SGW) identification information can be carried.When local gateway adopts the mode of external L-GW, need to carry the identification information of L-GW.The identification information of L-PGW, L-SGW, L-GW, new wireless side network element can be address information, can be also other concrete identification informations.Mobility Management Entity is MME, and new Immobility management entity enters Idle state Mobility Management Entity (being referred to as former Mobility Management Entity) before with UE may be identical.
Step 704, in the time that new Mobility Management Entity and former Mobility Management Entity are not identical, new Mobility Management Entity is initiated context to former Mobility Management Entity and is obtained flow process, sends context request.
Step 705, former Mobility Management Entity is included in user's contextual information in context response information, issues new Mobility Management Entity.
If user exists local IP access to connect, in message, need the identification information of the former wireless side network element that carries local IP access connection, the identification information of former L-PGW.In the time that local gateway adopts the mode of external L-GW, need to carry the identification information of the former L-GW of local IP access connection.
Step 706, new Mobility Management Entity is initiated the authentication flow process to user.This step is optional.
Step 707, new Mobility Management Entity is preserved the information of carrying in step 705, and responds context acknowledgement message to former Mobility Management Entity.
Step 708, new Mobility Management Entity is that local IP access connects the new L-SGW of selection, and sends session establishment request message to new L-SGW.
In message, need the identification information of the identification information of the former wireless side entity that carries local IP access connection, former L-PGW, the identification information that the while can be carried new wireless side entity, can carry LIPA indication.In the time that local gateway adopts the mode of external L-GW, need to carry the identification information of the former L-GW of local IP access connection, can carry the identification information of new wireless side entity simultaneously, can carry LIPA indication.
In the time that user carries out tracing section updating flow process, if wireless side network element does not change, be that new wireless side network element is identical with former wireless side network element, Mobility Management Entity does not need to initiate this step, and continues normal tracing section updating flow process in prior art.
In addition, in the time that user exists core net to connect, new Mobility Management Entity also needs to initiate session establishment or the bearer update flow process that core net connects.
Step 709, new L-SGW receives after message, judges according to the parameter of carrying in message whether whether local IP connection can reactivate after fast mobile terminal, have mobility.
If what carry in message is the identification information of the former L-PGW of local IP access connection, the L-PGW that new L-SGW can connect according to it and the identification information of former L-PGW, judge between new L-SGW and former L-PGW whether have interface.The information of the L-PGW that new L-SGW can connect can local configure, and also can be notified by other network element (as webmaster HMS).
If what carry in message is the identification information of the former wireless side network element of local IP access connection, new L-SGW, according to the wireless side network element that can connect and the identification information of former wireless side network element, judges between new wireless side network element and former wireless side network element whether have interface.The information of the wireless side network element that new wireless side network element can connect can local configure, and also can be notified by other network element (as webmaster HMS).
If what carry in message is the identification information of the former L-GW of local IP access connection, the L-GW that new L-SGW can connect according to it and the identification information of former L-GW, judge between new L-SGW and former L-GW whether have interface.The information of the L-GW that new L-SGW can connect can local configure, and also can be notified by other network element (as webmaster HMS).
Exist between interface or new L-SGW and former L-GW and have interface if exist between new L-SGW and former L-PGW between interface or new wireless side network element and former wireless side network element, think that local IP access connection has mobility; Otherwise, think that local IP access connection does not have mobility.
According to step 709 judged result, in the time that local IP access connection has mobility, new L-SGW need to initiate the bearer update flow process that local IP access connects to former L-PGW.Specific as follows:
Step 710, new L-SGW and former L-PGW carry out bearer update.
Step 711, new L-SGW sends session establishment response message to new Mobility Management Entity.
Step 712, new Mobility Management Entity is to more new technological process of Authentication Authorization server launch position.
Step 714, when not carrying activation marker in the Routing Area Update request that UE sends, and when new Mobility Management Entity determines the carrying of excited users not, new Mobility Management Entity sends Routing Area Update and accepts message to UE, then directly carries out the operation of subsequent step 719-721.Whether now local IP access connection activates in the time that UE carries out service request according to flow processing shown in Fig. 5 and Fig. 6.
In the time carrying activation marker in the Routing Area Update request that UE sends, or do not carry activation marker in the Routing Area Update request that UE sends, when but new Mobility Management Entity determines the carrying of excited users, new Mobility Management Entity sends initial context to new wireless side network element and sets up request message, sends Routing Area Update simultaneously and accepts message.
Step 715, new wireless side network element is initiated wireless side carrying foundation operation after receiving message.
Step 716, after wireless side carrying has been set up, new wireless side network element sends initial context to new Mobility Management Entity and sets up response message.
Step 717, new Mobility Management Entity is initiated bearer update flow process to new L-SGW.
Step 718, new L-SGW and former L-PGW carry out bearer update flow process.This step is optional.
Step 719～720, new wireless side network element is accepted message by new Mobility Management Entity transmission Routing Area Update and is transmitted to UE.UE responds Routing Area Update and completes message, and this is operating as optional.
Step 721, triggers by timer, and former Mobility Management Entity discharges flow process to former L-SGW initiation session.
Figure 7 shows that local IP access connection has ambulant situation, connect and do not have ambulant processing for local IP access, as shown in Figure 8, wherein, the operation of step 801～809 is identical with above-mentioned steps 701～709, repeats no more herein.According to the judged result of step 809, in the time that local IP access connection does not have mobility, concrete processing is as follows:
Step 810, new L-SGW sends session establishment response message to new Mobility Management Entity, needs to carry specific cause value (failure cause) in message, and indication cannot be set up local IP access and be connected.
The operation of subsequent step 812～820 is identical with abovementioned steps 712～720, repeats no more herein.
Step 821, when new Mobility Management Entity in step 811 when unsuccessfully indicating, while notifying former Mobility Management Entity cannot rebuild local IP access connection, need to notify former L-SGW to discharge the session of former L-PGW at this step Central Plains Mobility Management Entity simultaneously.In the time that former Mobility Management Entity is identical with new Mobility Management Entity, former Mobility Management Entity knows that in step 810 cannot rebuild local IP access connects, and now former Mobility Management Entity also needs to notify former L-SGW to discharge the session of L-PGW.
It is pointed out that in the time that local IP access connection does not have mobility, in the present embodiment, be connected to example to discharge local IP access, now, also local IP access can be connected and transfer core net connection to, this flow process similarly to the prior art, repeats no more.
Embodiments of the invention are all applied to local IP access and connect, and do not affect core net and connect.In the time that user carries out service request or tracing section updating, core net connects according to prior art processing.And the wireless side network element/home base-station gateway of local IP access can to close address identical with local access network.
For simplified characterization, above embodiment only connects and supports mobility method local IP access as example illustrates not exist home base-station gateway and local gateway to be positioned at wireless side entity or near the situation it.Exist the situation of home base-station gateway similar with it.Certainly, have home base-station gateway, and local gateway is while being positioned near wireless side entity or its, the message between message and Mobility Management Entity and local gateway between Mobility Management Entity and wireless side entity will be via home base-station gateway transmission.When there being home base-station gateway, and when local gateway is positioned near home base-station gateway or its, message between Mobility Management Entity and wireless side entity will be via home base-station gateway transmission, and Mobility Management Entity and and local gateway between message no longer need home base-station gateway to forward, in message, newly-increased wireless side network element ID information of carrying now need to be replaced by the identification information of home base-station gateway.In these cases, the mode of local IP access connection mobility support is similar to the above embodiments, repeats no more herein.
Realize mobility method for realizing above-mentioned local IP access connection, the present invention also provides a kind of local IP access to connect and has realized ambulant system, and this system comprises: Mobility Management Entity and new local service gateway.
Wherein, new Mobility Management Entity, for providing the identification information of former local IAD or the identification information of former wireless side network element/home base-station gateway or former external local gateway identification information to new local service gateway.Described identification information is address information or other special identification informations.
New local service gateway, for the identification information of former local IAD or the identification information of former wireless side network element/home base-station gateway or the former external local gateway identification information that provide according to new Mobility Management Entity, judge local IP access connects whether have mobility, and according to judged result, indicate new Mobility Management Entity to connect and carry out mobility processing local IP access.
Concrete decision operation is: the identification information of the former local IAD that local IP access is connected, compare with the identification information that self allows the local access network being connected to close, judge between new local service gateway and former local IAD whether have interface, and then judge local IP access connects whether have mobility; Or, the identification information of former wireless side network element/home base-station gateway that local IP access is connected, compare with self allowing the identification information of the wireless side network element/home base-station gateway being connected, judge between new wireless side network element/home base-station gateway and former wireless side network element/home base-station gateway whether have interface, and then judge local IP access connects whether have mobility; Or, the former external local gateway identification information that local IP access is connected, compare with self allowing the external local gateway identification information of access, judge between new local service gateway and former external local gateway whether have interface, and then judge local IP access connects whether have mobility.
Concrete mobility is treated to: in the time that local IP access connection has mobility, indication Mobility Management Entity activates local IP access and connects; Otherwise indication Mobility Management Entity discharges local IP access and connects.
The above, be only preferred embodiment of the present invention, is not intended to limit protection scope of the present invention.
Claims (10)
1. local IP access connection realizes a mobility method, it is characterized in that, the method comprises:
The identification information of the former local IAD that new local service gateway connects local IP access, compare with the identification information that self allows the local access network being connected to close, judge between described new local service gateway and former local IAD whether have interface, to judge described local IP access connects whether have mobility; Or, the identification information of former wireless side network element/home base-station gateway that local IP access is connected, compare with self allowing the identification information of the wireless side network element/home base-station gateway being connected, judge between new wireless side network element/home base-station gateway and former wireless side network element/home base-station gateway whether have interface, to judge described local IP access connects whether have mobility; Or, the former external local gateway identification information that local IP access is connected, compare with self allowing the external local gateway identification information of access, judge between described new local service gateway and former external local gateway whether have interface, to judge described local IP access connects whether have mobility;
Described new local service gateway is according to judged result, and indication Mobility Management Entity connects and carries out mobility processing local IP access.
2. local IP access connection realizes mobility method according to claim 1, it is characterized in that, described identification information is address information or other special identification informations.
3. connect and realize mobility method according to local IP access described in claim 1 or 2, it is characterized in that, described according to judged result, local IP access is connected and carries out mobility processing, be specially:
According to described judged result, in the time that described local IP access connection has mobility, described Mobility Management Entity activates local IP access and connects; Otherwise described new local service gateway indication Mobility Management Entity discharges described local IP access and connects.
4. connect and realize mobility method according to local IP access described in claim 1 or 2, it is characterized in that, the method further comprises: in the time that Mobility Management Entity changes, the identification information of former local IAD or the identification information of former wireless side network element/home base-station gateway or former external local gateway identification information that described local IP access connects, send to new Mobility Management Entity by former Mobility Management Entity.
5. local IP access connection realizes mobility method according to claim 4, it is characterized in that, the method further comprises: in the time that Mobility Management Entity changes, in the time that described local IP access connection does not have mobility, described new Mobility Management Entity indicates former Mobility Management Entity cannot rebuild local IP access connection, and described former Mobility Management Entity is initiated the carrying releasing operation of former wireless access gateway and former wireless service gateway.
6. local IP access connection realizes mobility method according to claim 4, it is characterized in that, the method further comprises: identification information or the new external local gateway identification information of the identification information that described new wireless side network element closes new local access network or new wireless side network element/home base-station gateway send to described new Mobility Management Entity.
7. connect and realize mobility method according to local IP access described in claim 1 or 2, it is characterized in that, described Mobility Management Entity is mobility management unit MME or moving exchanging center MSC or service universal grouping wireless Serving GPRS Support Node SGSN;
Described wireless side network element is base station or base station from home or radio network controller (RNC).
8. local IP access connection realizes an ambulant system, it is characterized in that, this system comprises: Mobility Management Entity and new local service gateway, wherein,
Described Mobility Management Entity, for the identification information of former local IAD or the identification information of former wireless side network element/home base-station gateway or the former external local gateway identification information that provide local IP access to connect to new local service gateway;
Described new local service gateway, be used for the identification information of the former local IAD that local IP access is connected, compare with the identification information that self allows the local access network being connected to close, judge between described new local service gateway and former local IAD whether have interface, to judge described local IP access connects whether have mobility; Or, the identification information of former wireless side network element/home base-station gateway that local IP access is connected, compare with self allowing the identification information of the wireless side network element/home base-station gateway being connected, judge between new wireless side network element/home base-station gateway and former wireless side network element/home base-station gateway whether have interface, to judge described local IP access connects whether have mobility; Or, the former external local gateway identification information that local IP access is connected, compare with self allowing the external local gateway identification information of access, judge between described new local service gateway and former external local gateway and whether have interface, to judge described local IP access connects whether have mobility, and according to judged result, indicate described Mobility Management Entity to connect and carry out mobility processing local IP access.
9. local IP access connection realizes ambulant system according to claim 8, it is characterized in that, described identification information is address information or other special identification informations.
10. local IP access connects the ambulant system that realizes according to claim 8 or claim 9, it is characterized in that, described new local service gateway is further used for, according to described judged result, in the time that Mobility Management Entity changes, in the time that described local IP access connection has mobility, indicate described Mobility Management Entity to activate local IP access and connect; Otherwise, indicate described Mobility Management Entity to discharge described local IP access and connect.
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| CN102742305B (en) * | 2010-12-22 | 2015-09-09 | 华为技术有限公司 | Local internet protocol access public data network mobile management processing method, device and network system |
| CN102843664B (en) * | 2011-06-21 | 2017-03-15 | 中兴通讯股份有限公司 | The processing method of user's local IP access business, device and system |
| CN104468559B (en) * | 2014-12-01 | 2017-07-21 | 中国联合网络通信集团有限公司 | Mobile Internet accesses system |
| WO2018023213A1 (en) * | 2016-07-30 | 2018-02-08 | 华为技术有限公司 | Network connection method and related device |
| CN108377526B (en) * | 2016-11-03 | 2020-09-29 | ***通信有限公司研究院 | Data distribution method and device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1354956A (en) * | 1999-06-07 | 2002-06-19 | 诺基亚公司 | Selection of mobility agent in access network |
| CN101043714A (en) * | 2006-03-21 | 2007-09-26 | 华为技术有限公司 | Method and system for realizing mobility management of user equipment |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1354956A (en) * | 1999-06-07 | 2002-06-19 | 诺基亚公司 | Selection of mobility agent in access network |
| CN101043714A (en) * | 2006-03-21 | 2007-09-26 | 华为技术有限公司 | Method and system for realizing mobility management of user equipment |
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