CN102026400A - System and method for realizing local access - Google Patents
System and method for realizing local access Download PDFInfo
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- CN102026400A CN102026400A CN200910175673XA CN200910175673A CN102026400A CN 102026400 A CN102026400 A CN 102026400A CN 200910175673X A CN200910175673X A CN 200910175673XA CN 200910175673 A CN200910175673 A CN 200910175673A CN 102026400 A CN102026400 A CN 102026400A
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
- H04W8/06—Registration at serving network Location Register, VLR or user mobility server
Abstract
The invention discloses a system and a method for realizing local access and relates to the mobile communication field. The method comprises the steps of: informing the wireless equipment and the user equipment of the local connection information if the local connection is required to be established by the user equipment when the connection request initiated by the user equipment is received by the mobile management unit, and establishing the local connection through the wireless equipment after the user equipment receives the information. The technical scheme of the invention reduces the load of core network effectively.
Description
Technical field
The present invention relates to moving communicating field, be specifically related to a kind of local system and method that inserts of realizing.
Background technology
In order to keep the competitiveness of 3-G (Generation Three mobile communication system) in the communications field, speed is faster, time delay is lower, the mobile communication service of personalization more for the user provides, simultaneously, reduce operating cost of operator, 3GPP (3rd Generation Partnership Project, third generation partner program) the standard operation group just is being devoted to evolved packet system (Evolved Packet System, research EPS).Fig. 1 shows the structural representation of evolution grouping domain system, and as shown in Figure 1, whole EPS system is divided into wireless access network and core net two parts.In core net, comprised home subscriber server (Home SubscriberServer, HSS), Mobility Management Entity (Mobility Management Entity, MME), service GPRS (General Packet Radio Service, the general packet radio service technology) support node (Serving GPRS Support Node, SGSN), policy charging rule function (Policy andCharging Rule Function, PCRF), gateway (Serving Gateway, S-GW), packet data gateway (PDN Gateway, P-GW) and packet data network (Packet Data Network, PDN).Below detailed each several part function:
Home subscriber server is the permanent storage place of user contracting data, is positioned at the home network that the user contracts.
Mobility Management Entity, be the storage place of user contracting data, be responsible for the Non-Access Stratum signaling management of terminal to network, the safety verification function of terminal, mobile management, the tracking under user's idle pulley and the paging management function and the bearer management of terminal in current network.
Serving GPRS Support Node is the business support point of GERAN and UTRAN user access core network network, and is similar with Mobility Management Entity on the function, is responsible for user's functions such as position renewal, paging management and bearer management.
Gateway is the gateway that core net arrives wireless system, is responsible for terminal to the user plane bearer of core net, the metadata cache under the terminal idle pulley, function, Lawful Interception and grouped data route and the forwarding capability that network side is initiated service request; Gateway is responsible for adding up the situation that user terminal uses wireless network, and produces the ticket that terminal is used wireless network, sends charging gateway to.
Packet data gateway, it is the gateway of evolution system and this system's external packet data network, it is connected on internet and the packet data network, is responsible for Internet protocol (Internet Protocol, IP) functions such as address assignment, billing function, grouping packet filtering, policy control of terminal.
Packet data network is the IP operation network of operator, and this network provides IP service by the core net of operator for the user.
Policy charging rule functional entity is to be responsible for providing charge control, the control of online credit, thresholding control, service quality (Quality of Service, QoS) server of tactful aspect rule in the evolution system.
Wireless access network, be by evolution base station (E-UTRAN NodeB, eNB) and 3G radio network controller (Radio Network Control, be called for short RNC) form, it mainly is responsible for the transmitting-receiving of wireless signal, by air interface and terminal contact, Radio Resource, scheduling of resource, the access control of management air interface.
Above-mentioned Serving GPRS Support Node is the SGSN that upgraded, can support and gateway between the S4 interface, and and mobility management unit between adopt the GTPv2 agreement to carry out intercommunication.And the PS territory network architecture and Fig. 1 are different for the SGSN that supports the 3G core net.This moment, SGSN adopted gn interface to link to each other with MME, and the GTPv1 agreement is adopted in intercommunication.SGSN can not link to each other with gateway, and (Gateway GPRS Support Node GGSN) directly carries out the packet data network visit to be connected to Gateway GPRS Support Node by gn interface.
Home eNodeB (Home NodeB, HNB) or the Home eNodeB of evolution (Home eNodeN, HeNB) be small-sized, the lower powered base station of a class, dedicated resources as the certain user, being deployed in private sites such as family, group, company or school uses, mainly be in order higher service rate to be provided to the user and to reduce and use the needed expense of high rate services, remedying the deficiency that existing distributed cellular radio communication system covers simultaneously.The advantage of Home eNodeB is economical, convenient, low-power output, plug and play, broadband access, use single-mode terminal etc.
Home eNodeB can be applied in 3G (3Generation, the third generation) or LTE (Long TermEvolution, the Long Term Evolution) mobile communications network.For the ease of Home eNodeB is managed, new network element, i.e. a femto gateway in network, have been introduced.The function that femto gateway is mainly carried out is: the fail safe of checking Home eNodeB, maintenance management is carried out in the operation of Home eNodeB, and according to Carrier Requirements configuration and control Home eNodeB, be responsible for the data message of exchcange core net and Home eNodeB.Fig. 2 is a 3G home base station network Organization Chart, and the 3G Home eNodeB is connected to femto gateway by the Iuh interface of redetermination, and femto gateway is provided to the IuPS and the IuCs interface of core network packet-domain and circuit domain.The essential deployment of femto gateway is used for shielding the influence of introducing behind the Home eNodeB terminal and network side for 3G network.The optional deployment of femto gateway for the LTE network, therefore LTE Home eNodeB and core net are connected with dual mode, a kind of is that Home eNodeB directly links to each other with core network element, and another kind is that Home eNodeB links to each other with core network element by gateway, shown in Fig. 3,4.Scene for introducing femto gateway shown in Figure 4, femto gateway can not integrated user plane functions, directly sets up user's face between Home eNodeB and core net user plane gateway, can make the flattening of user's face like this, data transmission delay reduces, as shown in Figure 5.
Home eNodeB is except supporting by the access of mobile core network, can also support local IP access function, possess at Home eNodeB under the condition of local IP access capability and the signatory permission of user local IP access, can realize that the user inserts this locality of other IP devices of home network or internet.By local access function, can realize the shunting of Internet data service, reduce the core net load, and can not transmit the transfer of data convenient and efficient by core net for the visit of home network device.Local IP access function also can use on macrocellular, and main application and Home eNodeB are similar, more is to be applied in local IP to insert this scene of Internet, and purpose is to reduce the core net load.Fig. 6 and Fig. 7 have provided the framework of realizing above-mentioned local access function respectively, and main difference is embodied in whether there is home base-station gateway.Wherein, local access network closes the network that is linked into external network (for example internet) as this locality, and functions such as address assignment, charging, grouping packet filtering, policy control are provided.This network element can be used as self-existent network element as a logical block in actual deployment also can unite deployment with existing base station from home or home base-station gateway.Realize local access architecture for macrocellular, can realize by the framework of Fig. 7
Under this framework, connect, existing core network element has all been proposed new requirement, therefore need proposition a kind of, can effectively reduce the load of core net for the terminal use realizes the local scheme that inserts for UE provides local.
Summary of the invention
Technical problem to be solved by this invention is that a kind of local system and method that inserts of realizing is provided.
In order to address the above problem, the invention discloses a kind of terminal and realize the local method that inserts, comprising:
When mobile management unit receives the connection request of subscriber equipment initiation,, then should locally-attached information be notified to wireless side equipment and described subscriber equipment if judge and to set up local connection for described subscriber equipment;
After described subscriber equipment receives described notice, set up local the connection by described wireless side equipment.
Further, in the said method, described connection request connects the request of foundation or packet data protocol (PDP) activation request for adhering to request or packet data gateway.
Further, in the said method, described mobile management unit is according to the CAMEL-Subscription-Information of described subscriber equipment and the information in the described connection request, and judgement will be set up local the connection for described user; Perhaps
Described mobile management unit is according to the CAMEL-Subscription-Information and the policy information of described subscriber equipment, and judgement will be set up local the connection for described subscriber equipment.
Wherein, described mobile management unit is judged in the time of will setting up local the connection for described subscriber equipment, also set up contextual information in this locality for this subscriber equipment, comprise locally-attached information in this contextual information, described locally-attached information comprises described locally-attached identification information at least.
After described subscriber equipment is set up this locality connection, also return response to described mobile management unit and set up local the connection with expression, described mobile management unit receives described response, and mark should be set up in this locality connection in the contextual information of this subscriber equipment.
Perhaps, after described subscriber equipment is set up local the connection, after if described subscriber equipment enters idle condition, once more when described mobile management unit is initiated service request or is carried the position updating request that activates sign, local connection identifier information in the contextual information of described mobile management unit according to described subscriber equipment notifies described wireless side equipment to set up local the connection for this subscriber equipment.
Described mobile management unit is the Mobility Management Entity in the evolved packet system, perhaps the Serving GPRS Support Node in general packet radio service technology (GPRS) network.
Described wireless side equipment be following any:
Radio network controller in base station in the evolved packet system, the base station from home in the evolved packet system, the home base-station gateway in the evolved packet system, the base station from home in the evolved packet system and home base-station gateway, the GPRS network, the base station from home in the GPRS network, the home base-station gateway in the GPRS network, the base station from home in the GPRS network and home base-station gateway.
The invention also discloses a kind of local system that inserts that realizes, comprise mobile management unit, wireless side equipment and subscriber equipment, wherein:
Mobile management unit is used to receive the connection request that subscriber equipment is initiated, if judge and will set up local the connection for described subscriber equipment, then should locally-attached information be notified to wireless side equipment and described subscriber equipment;
Described wireless side equipment is used to receive locally-attached information of preserving described mobile management unit notice, and sets up local the connection with described subscriber equipment;
Described subscriber equipment is used for initiating connection request to described mobile management unit, receives locally-attached information of described mobile management unit notice, and sets up local the connection by described wireless side equipment.
Further, in the said system, described connection request connects the request of foundation or PDP activation request for adhering to request or packet data gateway.
Further, in the said system, described mobile management unit is according to the CAMEL-Subscription-Information of described subscriber equipment and the information in the described connection request, and judgement will be set up local the connection for described user; Perhaps
Described mobile management unit is according to the CAMEL-Subscription-Information and the policy information of described subscriber equipment, and judgement will be set up local the connection for described subscriber equipment.
Wherein, described mobile management unit is judged in the time of will setting up local the connection for described subscriber equipment, also set up contextual information in this locality for this subscriber equipment, comprise locally-attached information in this contextual information, described locally-attached information comprises locally-attached identification information at least.
Described subscriber equipment after the local connection of foundation, also is used for returning response to described mobile management unit and has set up local connection with expression;
Described mobile management unit also is used to receive described response, and mark should be set up in this locality connection in the contextual information of this subscriber equipment.Perhaps
Described subscriber equipment after the local connection of foundation, if after entering idle condition, also is used for initiating service request once more or carrying the position updating request that activation identifies to described mobile management unit;
Described mobile management unit, be used to receive described service request or carry the position updating request that activates sign, and local connection identifier information in the contextual information according to described subscriber equipment, notify described wireless side equipment to set up local the connection for this subscriber equipment.
Described mobile management unit is the Mobility Management Entity in the evolved packet system, perhaps the Serving GPRS Support Node in general packet radio service technology (GPRS) network.
Technical solution of the present invention has effectively reduced the load of core net.
Description of drawings
Fig. 1 is the structural representation of evolution grouping domain system;
Fig. 2 is a 3G home base station network configuration diagram;
Fig. 3 is the schematic diagram of one of LTE home base station network framework;
Fig. 4 is two a schematic diagram of LTE home base station network framework;
Fig. 5 is three a schematic diagram of LTE home base station network framework;
Fig. 6 is a schematic diagram of realizing one of local network architecture that inserts;
Fig. 7 is two a schematic diagram of realizing the local network architecture that inserts;
Fig. 8 sets up locally-attached flow chart when LTE user initiates attaching process among the embodiment 1;
Fig. 9 is a flow chart of realizing embodiment 1 by femto gateway;
Figure 10 is a flow chart of realizing embodiment 1 among the embodiment 2 by PDN;
Figure 11 be among the embodiment 3 under the Idle state user initiate to recover to have set up locally-attached flow chart;
Figure 12 is that UTRAN/GERAN user initiates the PDP activation process and sets up locally-attached flow chart among the embodiment 4.
Embodiment
Below in conjunction with drawings and the specific embodiments technical solution of the present invention is described in further detail.
A kind of system that realizes local access comprises mobile management unit, wireless side equipment and subscriber equipment at least.The function of each several part is as follows.
Mobile management unit is used to receive the connection request that subscriber equipment is initiated, if judge and will set up local the connection for described subscriber equipment, then should locally-attached information be notified to wireless side equipment and described subscriber equipment;
Wherein, connection request activates request for adhering to request, PDN connection foundation request or packet data protocol (PDP);
Mobile management unit is according to the CAMEL-Subscription-Information of described subscriber equipment and the information in the described connection request, and judgement will be set up local the connection for described user; Perhaps
Administrative unit is according to the CAMEL-Subscription-Information and the policy information of described subscriber equipment, and judgement will be set up local the connection for described subscriber equipment.
Wireless side equipment (as base station, Home eNodeB or femto gateway etc.) is used to receive locally-attached information of preserving described mobile management unit notice, and sets up local the connection with described subscriber equipment;
Subscriber equipment is used for initiating connection request to described mobile management unit, receives locally-attached information of described mobile management unit notice, and sets up local the connection by described wireless side equipment.
In other embodiments, mobile management unit is judged in the time of will setting up local the connection for subscriber equipment, can also set up contextual information for this subscriber equipment in this locality, comprise locally-attached information in this contextual information, and locally-attached information comprise locally-attached identification information at least;
After subscriber equipment is set up local the connection, also return response and set up local the connection with expression to mobile management unit; At this moment, mobile management unit receives described response, and mark should be set up in this locality connection in the contextual information of this subscriber equipment.
After subscriber equipment is set up local the connection, if after entering idle condition, also when mobile management unit is initiated service request once more or is carried the position updating request that activates sign, local connection identifier information in the contextual information of mobile management unit according to described subscriber equipment notifies described wireless side equipment to set up local the connection for this subscriber equipment.
Above-mentioned mobile management unit is the MME in the evolved packet system, perhaps the Serving GPRS Support Node in the GPRS network.
Introduce the course of work of said system below in conjunction with concrete application scenarios.
Set up this locality when present embodiment is initiated attaching process with LTE user and be connected to example, illustrate that UE realizes the local process that inserts, this process may further comprise the steps as shown in Figure 8:
Step 801 when the user starts shooting, is initiated attaching process and is registered in the core net, promptly sends Attach Request message by HeNB to MME;
In this step, non-access layer information (being Attach Request message) is encapsulated in by HeNB in the initialization user message of S1 interface and brings MME, wherein, whether HeNB can also will support the ability of the local LIPA of access (LocalIP access) to inform core net, insert if the UE perception is local, then can also comprise the UE request in the Attach Request message and set up locally-attached information (for example, locally-attached APN that request is set up perhaps asks to set up locally-attached indication etc.).
Step 802, after MME received above-mentioned Attach Request message, if find in the network the not contextual information of this UE, perhaps this Attach Request message did not have integrity protection, perhaps this Attach Request message integrity protection failure, MME carries out the authentication process to this UE;
Step 803～804, when UE adheres in the request request and sets up locally-attached information above-mentioned, perhaps the PCO (protocol configuration option) that provides of UE and/or APN are through encryption, and then MME obtains PCO and/or APN information by HeNB to UE;
Step 805, if the CAMEL-Subscription-Information of this UE not among the MME then sends to home subscriber server and upgrades location request message, request obtains the CAMEL-Subscription-Information of this UE;
Step 806, MME judges whether to connect into this UE sets up this locality, if, then enter step 807, otherwise process ends; (because in this flow process, MME judges and need therefore directly enter the operation of step 807 from step 806 in flow chart for UE sets up local the connection)
In this step, the information that MME provides according to CAMEL-Subscription-Information and the UE of UE (being that locally-attached information is set up in locally-attached APN or request in the Attach Request message), perhaps CAMEL-Subscription-Information and the policy information according to terminal (is this locality or O﹠amp; M configured strategy information) judge whether to set up local the connection into this terminal;
Wherein, the CAMEL-Subscription-Information of terminal, refer to that certain signatory APN is LIPA by system definition, the information that provide in conjunction with UE this moment can judge whether to connect for UE sets up its this locality of asking, for example, the information that UE provides (being locally-attached APN that the UE request is set up) is APN signatory in the CAMEL-Subscription-Information, and then MME judges and need set up local the connection for this UE; When judging whether to the local connection of this UE foundation in conjunction with policy information, situation is more various, for example, when load reaches a certain value, MME judges that then the connection of a certain class all will build up LIPA, when promptly UE initiates the connection request of a certain class, all is judged as this UE and sets up local the connection.
In the present embodiment, when MME is judged as the local connection of UE foundation, also set up contextual information for this UE in this locality of MME, and sign is set (this sign can locally-attached bearing identification, or newly-built sign, and perhaps carrying of MME is set to carry local the connection for this locality in the contextual information connects, wherein, locally-attached sign can be used for MME, base station from home, UE is connected to write down this this locality with home base-station gateway).
Step 807, MME sets up request to HeNB transmission initial context, comprises in this request to allow for the local connection of UE foundation and locally-attached information, and wherein, locally-attached information can comprise locally-attached sign;
In the present embodiment, the initial context that MME sends is set up can also comprise to send in the request and adhering to of UE is accepted message, adheres to accept further can also comprise in the message and sets up locally-attached indication.
Step 808～809 are carried out RRC between HeNB and the UE and are connected foundation;
In this process, HeNB accepts message by the RRC request of setting up with adhering to of MME transmission and sends to UE.
Step 810, HeNB receives above-mentioned initial context and sets up request, returns initial context to MME and sets up response;
Step 811, UE receive adhere to accept message after, be initiated to connection foundation and Address requests process that local access network closes, this flow process can be used the flow process of 3GPP definition, perhaps uses the flow process of other normalized definitions;
Step 812～step 813, UE returns to adhere to MME by HeNB and finishes message;
If finished the operation of step 811 before step 812, then UE carries UE and has set up locally-attached indication adhering to finish in the message.
Step 814, MME receives to adhere to and finishes message, carries UE in the message and has set up locally-attached indication if adhere to finish, and then MME is this information of storage in the context set up of UE (be about in the context local linkage flag for setting up) in this locality.
In other embodiments, if in the network when having home base-station gateway, then need to transmit all message in the above-mentioned flow process through home base-station gateway between HeNB and MME, this process as shown in Figure 9.
In other embodiments, if do not dispose Home eNodeB in the network, the method for the foregoing description is also used for ordinary base station so, promptly also can set up local the connection by the base station.
Also have among some embodiment, also can not carry UE in the message and set up locally-attached indication adhering to finish, be that UE need not to set up locally-attached situation to the MME feedback, at this moment, MME is judged as and thinks when this UE sets up local the connection that local successful connection sets up in the operation of above-mentioned steps 806.Further, need not when MME feedback is set up locally-attached situation at UE, MME can judge by starting timer, and the information whether UE should this locality successful connection in timing sets up reports MME, if not, think that then this locality before connects the foundation failure.
Embodiment 2
Present embodiment is initiated PDN with LTE user and is connected and set up this locality and be connected to example, illustrates that terminal realizes the local process that inserts, and this process may further comprise the steps as shown in figure 10:
Step 1001, UE initiates PDN by HeNB to MME and connects the request of foundation;
In this step, non-access layer information (be PDN connect set up request) is encapsulated in by HeNB in the initialization user message of S1 interface and brings MME, whether HeNB can also will support the ability of LIPA to inform core net, insert if the UE perception is local, also will comprise the UE request during then the PDN connection is set up and asked and (for example set up locally-attached information, locally-attached APN is set up in request, and perhaps locally-attached indication is set up in request).
Step 1002, MME receives above-mentioned PDN connection request, judges whether to this UE sets up local the connection, if, enter step 1003, otherwise process ends; (, therefore in flow chart, directly entering the operation of step 1003) from step 1002 because MME is judged as the local connection of UE foundation in the present embodiment.
In this step, the information that MME provides according to CAMEL-Subscription-Information and the UE of UE (being that locally-attached information is set up in locally-attached APN or request in the PDN connection request), perhaps CAMEL-Subscription-Information and the policy information according to terminal (is this locality or O﹠amp; M configured strategy information) judge whether to set up local the connection into this terminal;
Wherein, the CAMEL-Subscription-Information of terminal, refer to that certain signatory APN is LIPA by system definition, the information that provide in conjunction with UE this moment can judge whether to connect for UE sets up its this locality of asking, for example, the information that UE provides (being locally-attached APN that the UE request is set up) is APN signatory in the CAMEL-Subscription-Information, and then MME judges and need set up local the connection for this UE; When judging whether to the local connection of this UE foundation in conjunction with policy information, situation is more various, for example, when load reaches a certain value, MME judges that then the connection of a certain class all will build up LIPA, when promptly UE initiates the connection request of a certain class, all is judged as this UE and sets up local the connection.
In the present embodiment, when MME is judged as the local connection of UE foundation, MME also sets up contextual information in this locality for UE, and for local connection the in the context is provided with sign, this sign can be locally-attached bearing identification, perhaps newly-built sign, perhaps carrying of MME is set to the local carrying that connects, and wherein, locally-attached sign can be used for MME, base station from home, terminal is connected to write down this this locality with home base-station gateway.
Step 1003, MME sets up to HeNB transmission initial context and asks, and wherein, initial context is set up to comprise in the request and is allowed for the local connection of UE foundation and locally-attached information, and locally-attached information can comprise local connection identifier;
In this step, initial context is set up and can also be comprised the default bearing foundation request that sends to UE in the request, and this request shows that core net allows this PDN establishment of connection.
Step 1004～1005 are carried out RRC between HeNB and the UE and are connected foundation;
In this process, HeNB sends to UE by the RRC request of setting up with the default bearing request of setting up.
Step 1006, HeNB returns initial context to MME and sets up response;
Step 1007, UE is initiated to connection foundation and Address requests process that local access network closes after receiving that default bearing is set up request, and this flow process can be used the flow process of 3GPP definition, perhaps uses the flow process of other normalized definitions;
Step 1008～step 1009, UE returns default bearing to MME and sets up response;
If the operation of completing steps 1007 before step 1009, then UE carries UE and has set up locally-attached indication in default bearing foundation response.
Step 1010 is if default bearing is set up and carried UE in the response message and set up locally-attached indication, this information of storage in the context of the UE that sets up in this locality of MME (be about in the context local linkage flag for setting up) then.
Similar with the attaching process among the embodiment 1, if in the network when having home base-station gateway, then between HeNB and MME, need to transmit all message in the above-mentioned flow process through home base-station gateway.
Similar with the attaching process among the embodiment 1, if do not dispose Home eNodeB in the network, the method for the foregoing description 2 is also used for ordinary base station so, promptly also can set up local the connection by ordinary base station.
Also have among some embodiment, set up at default bearing and also can not carry UE in the response message and set up locally-attached indication, be that UE need not to set up locally-attached situation to the MME feedback, at this moment, MME is judged as and thinks when this UE sets up local the connection that local successful connection sets up in the operation of above-mentioned steps 1003.Further, need not when MME feedback is set up locally-attached situation at UE, MME can judge by starting timer, and the information whether UE should this locality successful connection in timing sets up reports MME, if not, think that then this locality before connects the foundation failure.
Embodiment 3
Present embodiment is initiated to recover to have set up this locality with user under the Idle state and is connected to example, illustrates that terminal realizes the local process that inserts, and this process may further comprise the steps as shown in figure 11:
Step 1101 is in the UE under the Idle state, initiates service request, perhaps carries the position updating request (this mode is only at LTE user) that activates sign;
In this step, the UE that is under the Idle state refers to, and has set up locally-attached UE, and has disconnected with network signal and being connected.
Step 1102, MME according to the local connection identifier in the local UE context judge to this UE carry out local the connection and not needs set up the carrying of core net for it;
Step 1103, MME sets up to HeNB transmission initial context and asks, and initial context is set up to comprise in the request and is allowed for the local connection of UE foundation and locally-attached information, and locally-attached information can comprise local connection identifier;
Step 1104 is carried out RRC between HeNB and the UE and is connected foundation;
Step 1105, HeNB returns initial context to MME and sets up response.
Present embodiment goes for LTE user, so base station from home is HeNB in the present embodiment.Further, for the situation that does not have home base-station gateway, all transmit all message between family expenses base station and mobile management unit do not need through home base-station gateway.Certainly, present embodiment also is applicable to the access way of ordinary base station, and the base station from home among the figure is eNB at this moment, and does not have home base-station gateway.
Present embodiment is initiated the PDP activation process with UTRAN/GERAN user and is set up this locality and be connected to example, illustrates that terminal realizes the local process that inserts, and this process may further comprise the steps as shown in figure 12:
Step 1201, terminal is initiated PDP and is activated request;
In this step, non-access layer information (PDP activates request) brings SGSN via base station from home and home base-station gateway, whether base station from home can also will support the ability of LIPA to inform core net, insert if the UE perception is local, also will comprise the UE request during then the PDN connection is set up and asked and set up locally-attached information, locally-attached information can comprise locally-attached APN, and perhaps locally-attached indication is set up in request.
Step 1202 is carried out safety verification to UE if desired, then carries out this step;
Step 1203, SGSN judges whether to connect into this UE sets up this locality, if, enter step 1204, otherwise process ends; (, therefore in flow chart, directly entering the operation of step 1204) from step 1203 because SGSN is judged as the local connection of this UE foundation in the present embodiment
In this step, the information that SGSN provides according to CAMEL-Subscription-Information and the UE of UE (being that PDP activates in the request locally-attached APN or locally-attached information is set up in request), perhaps CAMEL-Subscription-Information and the policy information according to terminal (is this locality or O﹠amp; M configured strategy information) judge whether to set up local the connection into this terminal;
Wherein, the CAMEL-Subscription-Information of terminal, refer to that certain signatory APN is LIPA by system definition, the information that provide in conjunction with UE this moment can judge whether to connect for UE sets up its this locality of asking, for example, the information that UE provides (being locally-attached APN that the UE request is set up) is APN signatory in the CAMEL-Subscription-Information, and then MME judges and need set up local the connection for this UE; When judging whether to the local connection of this UE foundation in conjunction with policy information, situation is more various, for example, when load reaches a certain value, SGSN judges that then the connection of a certain class all will build up LIPA, when promptly UE initiates the connection request of a certain class, all is judged as this UE and sets up local the connection.
In this step, when SGSN is judged as the local connection of this UE foundation, also set up contextual information for this UE in SGSN this locality, and for local connection the in the contextual information of this UE is provided with sign, local connection sign can be a bearing identification, perhaps newly-built sign, perhaps carrying of SGSN is set to the local carrying that connects, local connection identifier can be used for SGSN, base station from home, and terminal is connected to write down this this locality with home base-station gateway.
In this step, the PDP that sends to base station from home and home base-station gateway at SGSN activates to comprise in the response and allows for UE and set up local the connection and locally-attached information, and wherein, locally-attached information comprises local connection identifier.
Step 1205, UE is initiated to connection foundation and Address requests process that local access network closes after receiving that PDP activates response, and this flow process can be used the flow process of 3GPP definition, perhaps uses the flow process of other normalized definitions.
Above-mentioned flow process is suitable for UTRAN/GERAN user and carries out PDP context activation and time pdp context activation.
Similar with the attaching process among the embodiment 1, if do not dispose Home eNodeB in the network, the method for the foregoing description 4 is for ordinary base station so, and promptly RNC also uses, and promptly also can set up local the connection by ordinary base station.
The above; only be part embodiment of the present invention; be not to be used to limit protection scope of the present invention, all any modifications of being done within the spirit and principles in the present invention, be equal to and replace and improvement etc., all should be included within the protection range of the appended claim of the present invention.
Claims (15)
1. a terminal realizes the local method that inserts, and it is characterized in that this method comprises:
When mobile management unit receives the connection request of subscriber equipment initiation,, then should locally-attached information be notified to wireless side equipment and described subscriber equipment if judge and to set up local connection for described subscriber equipment;
After described subscriber equipment receives described notice, set up local the connection by described wireless side equipment.
2. the method for claim 1 is characterized in that,
Described connection request connects the request of foundation or packet data protocol (PDP) activation request for adhering to request or packet data gateway.
3. the method for claim 1 is characterized in that,
Described mobile management unit is according to the CAMEL-Subscription-Information of described subscriber equipment and the information in the described connection request, and judgement will be set up local the connection for described user; Perhaps
Described mobile management unit is according to the CAMEL-Subscription-Information and the policy information of described subscriber equipment, and judgement will be set up local the connection for described subscriber equipment.
4. as each described method of claim 1 to 3, it is characterized in that,
Described mobile management unit is judged in the time of will setting up local the connection for described subscriber equipment, also set up contextual information for this subscriber equipment in this locality, comprise locally-attached information in this contextual information, described locally-attached information comprises described locally-attached identification information at least.
5. method as claimed in claim 4 is characterized in that,
After described subscriber equipment is set up this locality connection, also return response to described mobile management unit and set up local the connection with expression, described mobile management unit receives described response, and mark should be set up in this locality connection in the contextual information of this subscriber equipment.
6. method as claimed in claim 4 is characterized in that,
After described subscriber equipment is set up local the connection, after if described subscriber equipment enters idle condition, once more when described mobile management unit is initiated service request or is carried the position updating request that activates sign, local connection identifier information in the contextual information of described mobile management unit according to described subscriber equipment notifies described wireless side equipment to set up local the connection for this subscriber equipment.
7. as each described method of claim 1 to 3, it is characterized in that,
Described mobile management unit is the Mobility Management Entity in the evolved packet system, perhaps the Serving GPRS Support Node in general packet radio service technology (GPRS) network.
8. as each described method of claim 1 to 3, it is characterized in that, described wireless side equipment be following any:
Radio network controller in base station in the evolved packet system, the base station from home in the evolved packet system, the home base-station gateway in the evolved packet system, the base station from home in the evolved packet system and home base-station gateway, the GPRS network, the base station from home in the GPRS network, the home base-station gateway in the GPRS network, the base station from home in the GPRS network and home base-station gateway.
9. realize the local system that inserts for one kind, it is characterized in that this system comprises mobile management unit, wireless side equipment and subscriber equipment, wherein:
Mobile management unit is used to receive the connection request that subscriber equipment is initiated, if judge and will set up local the connection for described subscriber equipment, then should locally-attached information be notified to wireless side equipment and described subscriber equipment;
Described wireless side equipment is used to receive locally-attached information of preserving described mobile management unit notice, and sets up local the connection with described subscriber equipment;
Described subscriber equipment is used for initiating connection request to described mobile management unit, receives locally-attached information of described mobile management unit notice, and sets up local the connection by described wireless side equipment.
10. system as claimed in claim 9 is characterized in that,
Described connection request connects the request of foundation or PDP activation request for adhering to request or packet data gateway.
11. system as claimed in claim 9 is characterized in that,
Described mobile management unit is according to the CAMEL-Subscription-Information of described subscriber equipment and the information in the described connection request, and judgement will be set up local the connection for described user; Perhaps
Described mobile management unit is according to the CAMEL-Subscription-Information and the policy information of described subscriber equipment, and judgement will be set up local the connection for described subscriber equipment.
12. as each described system of claim 9 to 11, it is characterized in that,
Described mobile management unit is judged in the time of will setting up local the connection for described subscriber equipment, also set up contextual information for this subscriber equipment in this locality, comprise locally-attached information in this contextual information, described locally-attached information comprises locally-attached identification information at least.
13. system as claimed in claim 12 is characterized in that,
Described subscriber equipment after the local connection of foundation, also is used for returning response to described mobile management unit and has set up local connection with expression;
Described mobile management unit also is used to receive described response, and mark should be set up in this locality connection in the contextual information of this subscriber equipment.
14. system as claimed in claim 12 is characterized in that,
Described subscriber equipment after the local connection of foundation, if after entering idle condition, also is used for initiating service request once more or carrying the position updating request that activation identifies to described mobile management unit;
Described mobile management unit, be used to receive described service request or carry the position updating request that activates sign, and local connection identifier information in the contextual information according to described subscriber equipment, notify described wireless side equipment to set up local the connection for this subscriber equipment.
15. as each described system of claim 9 to 11, it is characterized in that,
Described mobile management unit is the Mobility Management Entity in the evolved packet system, perhaps the Serving GPRS Support Node in general packet radio service technology (GPRS) network.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910175673XA CN102026400A (en) | 2009-09-21 | 2009-09-21 | System and method for realizing local access |
| PCT/CN2010/077222 WO2011032522A1 (en) | 2009-09-21 | 2010-09-21 | System and method for implementing local access |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN200910175673XA CN102026400A (en) | 2009-09-21 | 2009-09-21 | System and method for realizing local access |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201610177728.0A Division CN105722054A (en) | 2009-09-21 | 2009-09-21 | System and method for achieving local access |
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| CN102026400A true CN102026400A (en) | 2011-04-20 |
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| CN200910175673XA Pending CN102026400A (en) | 2009-09-21 | 2009-09-21 | System and method for realizing local access |
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| WO (1) | WO2011032522A1 (en) |
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