CN102457958A - Judgment method and system for relocation of service gateway - Google Patents
Judgment method and system for relocation of service gateway Download PDFInfo
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Abstract
The invention discloses a judgment method for the relocation of a service gateway. The judgment method comprises the following steps of: when a user accesses to a network, indication information is reported to a mobile management unit of a core network by a wireless side network element; and a current access scene of the user is judged by the mobile management unit of the core network according to the indication information and the relocation of the service gateway corresponding to the current access scene of the user is executed by the mobile management unit of the core network. The invention also discloses a judgment system for the relocation of the service gateway. A relocation execution unit in the system is used for executing the relocation of the service gateway corresponding to the current access scene of the user. Due to the adoption of the method and the system disclosed by the invention, the opportunity of initiating the relocation of the service gateway under different architectures can be correctly judged, and thereby the relocation problem of the service gateway caused by the position difference of the service gateway under the different architectures can be avoided.
Description
Technical field
The present invention relates to moving communicating field, relate in particular to the decision method and the system of a kind of local access function gateway reorientation when opening.
Background technology
Continuous lifting along with the speed of eating dishes without rice or wine; Data user's increase in addition; Following amount of user data can present fulminant growth, and this can impact to existing core net network inevitably, and existing core network element has to carry out dilatation could provide satisfied service for the user.Mostly the data of considering growth are what the Internet business caused; Mobile operator hopes on the basis that does not change existing network, to carry out local internet data distribution; Avoid mass data to impact core net and can meet consumers' demand, proposed the notion of this accessing thus.
The range of application of this accessing has been expanded in the introducing of Home eNodeB (HNB, Home NodeB).Home eNodeB is as certain user's dedicated resources; 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 user can conduct interviews to the IP device in other IP device of home network, the enterprise network through Home eNodeB, and this application is also referred to as this accessing, because data flow can not sent through core net yet.
In sum, the 3GPP normal structure defines local access function and comprises and select IP transmission shunting (SIPTO, Selected IP Traffic Offload) and local IP access (LIPA, Local IP Access) two kinds.Wherein, select IP transmission shunting to be applied to the visit of Internet network; Local IP inserts the visit that is applied to the local network IP device.
In order to realize local access function, set up the gateway of carrying out the data distribution function in the network, as shown in Figure 1.Here, the local access function that relates to of this paper comprise that local IP inserts, selectivity IP transmission shunting etc.The data distribution gateway can and the wireless side network element close and establish or near the wireless side network element (promptly external), also can and femto gateway close establish or the front yard base-station gateway of being near (promptly external).User for supporting this accessing can set up traditional core net visit data path and local visit data path simultaneously.As shown in Figure 1, for the connection of this accessing, to wireless side network element to data distribution gateway, transfer of data is without core net from the terminal in local visit data path.In order to realize this locality access of terminal, can set up two these accessings and connect, the local visit data of article one path other IP devices of home network or internet; It is the local visit data path 1 among Fig. 1; Directly access internet is that internet ip connects, and also is that SIPTO connects.The local visit data of second path, promptly other IP devices of home network can be directly visited in the local visit data path 2 among Fig. 1, are that home network IP connects, and also are that LIPA connects.Packet Data Network among Fig. 1 comprises the Internet.
Shown in Figure 2 is the system architecture diagram that the family expenses base station sub-system is carried out this accessing under family's scene, and wherein the data distribution gateway can close with the wireless side network element and establish or set up separately.The local visit data of the user uplink that Home eNodeB is received sends from the interface between Home eNodeB and data distribution gateway; The descending local visit data of the user that the data distribution gateway is received also sends from this interface; This interface has GTP-C and GTP-U protocol stack, and standardized title is not arranged as yet.The connection of this accessing affacts the data distribution gateway by the chain of command network element through gateway and manages.Packet data gateway is used to transmit core network data.Core net up-downgoing data are sent through Home eNodeB, gateway, packet data gateway.S1-MME in the framework, S1-U, S5 interface are standard interface, and the present invention does not do concrete function and describes.
Shown in Figure 3 is the system architecture diagram that the family expenses base station sub-system is carried out this accessing under enterprise's scene; System architecture under its network architecture and the family's scene is similar; The deployed position of different is gateway is positioned at and does not have direct data channel between enterprises, data distribution gateway and base station from home, and data distribution gateway and base station from home set up separately.This framework can better support the inner user of enterprise network to move, and continues to use prior art and just can support this accessing to realize, need not do too much network element and change, and data can not made a circulation to core network.
Framework under relatively more existing Fig. 2, two kinds of scenes of Fig. 3 is because therefore the difference of gateway position can cause user's gateway reorientation problem when enterprise's scene moves (comprising reverse moving) under macro base station or family's scene.Because the framework that the user is adopted under different scenes is different, therefore need correct judgement when to initiate the gateway reorientation.
Summary of the invention
In view of this; Main purpose of the present invention is to provide a kind of decision method and system of gateway reorientation; Can correctly judge the opportunity of under different frameworks, initiating the gateway reorientation, thereby avoid the gateway reorientation problem that difference caused of under the different frameworks because gateway position.
For achieving the above object, technical scheme of the present invention is achieved in that
A kind of decision method of gateway reorientation; This method comprises: during user access network; Wireless side reported by network elements indication information is given the mobility management unit of core net; The mobility management unit of said core net determines the current access scene of user according to said indication information, carries out and the current corresponding gateway reorientation of access scene of said user.
Wherein, Carry out with the current corresponding gateway reorientation of access scene of said user before; This method also comprises: when determining the current access scene of said user according to said indication information; Whether the gateway that the mobility management unit of core net is selected for the user earlier relatively before can also if can not continue to serve for the current access scene of user, then carry out the gateway reorientation for the current access scene of said user continues service; Otherwise, do not carry out the gateway reorientation.
Wherein, said wireless side network element comprises: base station from home, macro base station or home base-station gateway.
Wherein, the mobility management unit of said core net comprises: Mobility Management Entity (MME) or service universal grouping wireless serving GPRS support node (SGSN).
Wherein, said indication information is: be used to indicate the wireless side network element be grand network the wireless side network element, or be used to indicate the wireless side network element be home network the wireless side network element, or to be used to indicate the wireless side network element be the information of the wireless side network element of enterprise network.
A kind of decision-making system of gateway reorientation, this system comprises: insert scene identifying unit, reorientation performance element; Wherein,
Insert the scene identifying unit, be used for when user access network wireless side reported by network elements indication information and give under the situation of mobility management unit of core net, the mobility management unit of core net determines the current access scene of user according to said indication information;
The reorientation performance element is used to carry out the access scene corresponding gateway reorientation current with said user.
Wherein, This system also comprises: comparing unit; Be used for determining according to said indication information under the situation of the current access scene of said user, whether the mobility management unit of core net can also be that the current access scene of said user continues service for the gateway that the user selects relatively before;
The reorientation performance element, be further used at the comparative result of comparing unit be: the gateway of before selecting for the user can not current access scene continue to carry out the gateway reorientation under the situation of service for the user; Comparative result at comparing unit is: the gateway of before selecting for the user can current access scene continue not carry out the gateway reorientation under the situation of service for the user.
Wherein, said wireless side network element comprises: base station from home, macro base station or home base-station gateway.
Wherein, the mobility management unit of said core net comprises: MME or SGSN.
Wherein, said indication information is: be used to indicate the wireless side network element be grand network the wireless side network element, or be used to indicate the wireless side network element be home network the wireless side network element, or to be used to indicate the wireless side network element be the information of the wireless side network element of enterprise network.
The present invention is when user access network; Wireless side reported by network elements indication information is given the mobility management unit of core net; The mobility management unit of core net determines the current access scene of user according to indication information, carries out and the current corresponding gateway reorientation of access scene of user.
Adopt the present invention, can determine the current access scene of user, carry out and the current corresponding gateway reorientation of access scene of user according to indication information.Owing to can correctly judge the opportunity of under different frameworks, initiating the gateway reorientation, thereby avoid the gateway reorientation problem that difference caused of under the different frameworks because gateway position.
Description of drawings
Fig. 1 is the data flow path sketch map of this accessing and traditional core net visit in the prior art;
Fig. 2 is a system architecture diagram of carrying out this accessing in the prior art under family's scene;
Fig. 3 is a system architecture diagram of carrying out this accessing in the prior art under enterprise's scene.
Fig. 4 is the realization flow sketch map of the embodiment of the invention one;
Fig. 5 is the realization flow sketch map of the embodiment of the invention two;
Fig. 6 is the realization flow sketch map of the embodiment of the invention three;
Fig. 7 is the realization flow sketch map of the embodiment of the invention four.
Embodiment
Basic thought of the present invention is: when user access network; Wireless side reported by network elements indication information is given the mobility management unit of core net; The mobility management unit of core net determines the current access scene of user according to indication information, carries out and the current corresponding gateway reorientation of access scene of user.
Below in conjunction with accompanying drawing the enforcement of technical scheme is done further to describe in detail.
Scheme of the present invention is a kind of decision scheme of gateway reorientation; Through scheme of the present invention; Can make the indication information of core network element according to the wireless side reported by network elements; In time determine the current access scene of user, and then carry out corresponding gateway reorientation, thereby solved the problem of implementation of the different gateway reorientations that brought of framework.
A kind of decision method of gateway reorientation mainly comprises following content:
During user access network; Wireless side reported by network elements indication information is given the mobility management unit of core net; The mobility management unit of core net determines the current access scene of user according to this indication information, carries out and the current corresponding gateway reorientation of access scene of user.
Further; When user access network; The mobility management unit of core net determines the current access scene of user according to indication information; Carry out with the current corresponding gateway reorientation of access scene of user before, this method also comprises: when determining the current access scene of user according to indication information, whether the gateway that the mobility management unit of core net can be earlier selected for the user before relatively can also be that the current access scene of user is served; If can not then carry out the gateway reorientation for the current access scene service of user; Otherwise, do not carry out the gateway reorientation.
Further, the wireless side network element comprises: base station from home, macro base station or home base-station gateway.
Wherein, the mobility management unit of core net comprises: Mobility Management Entity (MME) or Serving GPRS Support Node (SGSN).GPRS representes general packet radio service.
Wherein, indication information is: indication wireless side network element is the information of wireless side network element of wireless side network element or enterprise network of wireless side network element or the home network of grand network.
Below to the present invention's elaboration of giving an example.
Embodiment one: initiating the service request process with the user is example.
Fig. 4 is the realization flow sketch map of the embodiment of the invention one, and present embodiment specifically may further comprise the steps:
Step 401 will be set up when the user need initiate signaling or data with the signaling of core net and is connected, and the user connects through the request of service request process and sets up.
Step 402～step 403; Base station from home receives to be encapsulated in S1 or the Iu interface message after the business request information that the user sends and passes to the core network mobility administrative unit, wherein also will add indication information and be used for the core network mobility administrative unit and judge whether carry out the gateway reorientation.Indication information shows that the wireless side network element is wireless side network element or the wireless side network element of home network or the wireless side network element of enterprise network of grand network.Can also can embody through the parameter of redetermination through having or not of alternate manner (the for example gateway address of wireless side network element configuration).Concrete way of realization is various, and the present invention only does the explanation of optimum implementation, does not do the qualification on the concrete implementation.Here it is to be noted: the indication information that adds in the present embodiment is a NE type.Do not give unnecessary details.
Step 404, the indication information that the core network mobility administrative unit is added according to the wireless side network element judge whether needs are carried out the gateway reorientation.
According to the wireless side network type gateway is divided into two types, one type is the core net gateway, and one type is the local service gateway.
Insert the scene of enterprise's base station from home for the user, need select the local service gateway for the user.Insert the scene of family's base station from home or macro base station for the user, need select the core net gateway for the user.
When user access network, whether the gateway that the core network mobility administrative unit can more before have been selected for the user can also if cannot just carry out the gateway reorientation, otherwise then not do the reorientation operation for existing scene service.
The situation that present embodiment need carry out the gateway reorientation with the judgement of core network mobility administrative unit describes.Can select to be fit to the gateway that the active user inserts according to the concrete scene that inserts in core network mobility administrative unit in such cases.
Following steps 405～step 408, what carry out is the renewal operation that core net connects.
Step 405, core network mobility administrative unit will be created conversation request and be sent to new selected gateway and wherein carry core net P-GW address, and gateway generates user's bearer context.
Step 406, gateway sends the bearing modification request according to core net P-GW address and gives core net P-GW, and core net P-GW is informed in gateway address and downlink tunnel sign.
Step 407, core net P-GW replys the bearing modification response message, and the uplink tunnel sign is informed gateway.
Step 408, gateway are replied and are created conversational response message.
Step 409～step 412 is carried out the renewal operation that SIPTO connects.Detailed process and step 405 step 408 are similar, do not do and give unnecessary details.Mainly be to set up new gateway to the up-downgoing data channel between corresponding P-GW.
Step 413 is accomplished the service request process that existing standard is stipulated.
Step 414, the core network mobility administrative unit starts the DNS inquiry or takes a decision as to whether this accessing connection carrying out reorientation of P-GW according to the P-GW address information that the base station reports according to user's position.If be judged to be, carry out following steps so, otherwise flow process finishes.This part is replenished as execution mode integrality aspect, is prior art, not as summary of the invention.
Step 415, core network mobility administrative unit are sent the deletion conversation request and are given gateway, delete this accessing and connect.
Step 416, gateway are sent the deletion conversation request and are given local P-GW, delete this accessing and connect.
Step 417～step 418, local P-GW and gateway are returned deletion conversational response message.
Step 419, the core network mobility administrative unit is sent load bearing deactivation message and is given base station from home, the deletion Radio Resource, this accessing of indication UE reconstruction connects in message.
Step 420, base station from home are sent RRC and are connected reconfiguration message to the terminal, and this accessing of indication UE reconstruction connects in message.
Step 421, UE initiates PDN and connects the process of setting up.
Embodiment two: initiating tracking area/Routing Area Update request process with the user is example.
Fig. 5 is the realization flow sketch map of the embodiment of the invention two, and present embodiment specifically may further comprise the steps:
Initiate tracking area/Routing Area Update request message when step 501, regional outside the user moves to tracking area tabulation/route district.
Step 502～step 503; Base station from home receives to be encapsulated in S1 or the Iu interface message behind tracking area/Routing Area Update request message that the user sends and passes to the core network mobility administrative unit, wherein also will add indication information and be used for the core network mobility administrative unit and judge whether carry out the gateway reorientation.Indication information shows that the wireless side network element is wireless side network element or the wireless side network element of home network or the wireless side network element of enterprise network of grand network.Can also can embody through the parameter of redetermination through having or not of alternate manner (the for example gateway address of wireless side network element configuration).Concrete way of realization is various, and the present invention only does the explanation of optimum implementation, does not do the qualification on the concrete implementation.Here it is to be noted: the indication information that adds in the present embodiment is a NE type.Do not give unnecessary details.
Step 504, the indication information that the core network mobility administrative unit is added according to the wireless side network element judge whether needs are carried out the gateway reorientation.
According to the wireless side network type gateway is divided into two types, one type is the core net gateway, and one type is the local service gateway.
Insert the scene of enterprise's base station from home for the user, need select the local service gateway for the user.Insert the scene of family's base station from home or macro base station for the user, need select the core net gateway for the user.
When user access network, whether the gateway that the core network mobility administrative unit can more before have been selected for the user can also if cannot just carry out the gateway reorientation, otherwise then not do the reorientation operation for existing scene service.
The situation that present embodiment need carry out the gateway reorientation with the judgement of core network mobility administrative unit describes.Can select to be fit to the gateway that the active user inserts according to the concrete scene that inserts in core network mobility administrative unit in such cases.
Following steps 505 steps 508, what carry out is the renewal operation that core net connects.
Step 505, core network mobility administrative unit will be created conversation request and be sent to new selected gateway and wherein carry core net P-GW address, and gateway generates user's bearer context.
Step 506, gateway sends the bearing modification request according to core net P-GW address and gives core net P-GW, and core net P-GW is informed in gateway address and downlink tunnel sign.
Step 507, core net P-GW replys the bearing modification response message, and the uplink tunnel sign is informed gateway.
Step 508, gateway are replied and are created conversational response message.
Step 509～step 512 is carried out the renewal operation that SIPTO connects.Detailed process and step 505～step 508 is similar, does not do and gives unnecessary details.Mainly be to set up new gateway to the up-downgoing data channel between corresponding P-GW.
Step 513 is accomplished tracking area/Routing Area Update process that existing standard is stipulated.
Step 514, the core network mobility administrative unit starts the DNS inquiry or takes a decision as to whether this accessing connection carrying out reorientation of P-GW according to the P-GW address information that the base station reports according to user's position.If be judged to be, carry out following steps so, otherwise flow process finishes.This part is replenished as execution mode integrality aspect, is prior art, not as summary of the invention.
Step 515, core network mobility administrative unit are sent the deletion conversation request and are given gateway, delete this accessing and connect.
Step 516, gateway are sent the deletion conversation request and are given local P-GW, delete this accessing and connect.
Step 517～step 518, local P-GW and gateway are returned deletion conversational response message.
Step 519, the core network mobility administrative unit is sent load bearing deactivation message and is given base station from home, the deletion Radio Resource, this accessing of indication UE reconstruction connects in message.
Step 520, base station from home are sent RRC and are connected reconfiguration message to the terminal, and this accessing of indication UE reconstruction connects in message.
Step 521, UE initiates PDN and connects the process of setting up.
Embodiment three: initiating the X2 handoff procedure with the base station is example.
Fig. 6 is the realization flow sketch map of the embodiment of the invention three, and present embodiment specifically may further comprise the steps:
Step 601, source base station detect user's current demand signal weak strength and need the user be switched to more suitably under the base station, when source base station and target home base station have X2 interface, carry out X2 and switch.The switching message that source base station sends X2 interface informs that target home base station carries out resource reservation, and this process is the X2 handoff preparation phase.
Step 602 is carried out the X2 handover execution stage between source base station and target home base station, comprise that data are forwarded to target home base station and the user is synchronized to target home base station with space interface signaling from source base station.
Step 603, target home base station transmit path exchange request message show that the user has switched to target side for the core network mobility administrative unit, add indication information in the message and are used for the core network mobility administrative unit and judge whether carry out the gateway reorientation.Indication information shows that the wireless side network element is wireless side network element or the wireless side network element of home network or the wireless side network element of enterprise network of grand network.Can also can embody through the parameter of redetermination through having or not of alternate manner (the for example gateway address of wireless side network element configuration).Concrete way of realization is various, and the present invention only does the explanation of optimum implementation, does not do the qualification on the concrete implementation.Here it is to be noted: the indication information that adds in the present embodiment is a NE type.Do not give unnecessary details.
Step 604, the indication information that the core network mobility administrative unit is added according to the wireless side network element judge whether needs are carried out the gateway reorientation.
According to the wireless side network type gateway is divided into two types, one type is the core net gateway, and one type is the local service gateway.
Insert the scene of enterprise's base station from home for the user, need select the local service gateway for the user.Insert the scene of family's base station from home or macro base station for the user, need select the core net gateway for the user.
When user access network, whether the gateway that the core network mobility administrative unit can more before have been selected for the user can also if cannot just carry out the gateway reorientation, otherwise then not do the reorientation operation for existing scene service.
The situation that present embodiment need carry out the gateway reorientation with the judgement of core network mobility administrative unit describes.Can select to be fit to the gateway that the active user inserts according to the concrete scene that inserts in core network mobility administrative unit in such cases.
Following steps 605～step 608, what carry out is the renewal operation that core net connects.
Step 605, core network mobility administrative unit will be created conversation request and be sent to new selected gateway and wherein carry core net P-GW address, and gateway generates user's bearer context.
Step 606, gateway sends the bearing modification request according to core net P-GW address and gives core net P-GW, and core net P-GW is informed in gateway address and downlink tunnel sign.
Step 607, core net P-GW replys the bearing modification response message, and the uplink tunnel sign is informed gateway.
Step 608, gateway are replied and are created conversational response message.
Step 609～step 612 is carried out the renewal operation that SIPTO connects.Detailed process and step 605 step 608 are similar, do not do and give unnecessary details.Mainly be to set up new gateway to the up-downgoing data channel between corresponding P-GW.
Step 613, the X2 that accomplishes the existing standard regulation switches subsequent step.
Step 614, the core network mobility administrative unit starts the DNS inquiry or takes a decision as to whether this accessing connection carrying out reorientation of P-GW according to the P-GW address information that the base station reports according to user's position.If be judged to be, carry out following steps so, otherwise flow process finishes.This part is replenished as execution mode integrality aspect, is prior art, not as summary of the invention.
Step 615, core network mobility administrative unit are sent the deletion conversation request and are given gateway, delete this accessing and connect.
Step 616, gateway are sent the deletion conversation request and are given local P-GW, delete this accessing and connect.
Step 617～step 618, local P-GW and gateway are returned deletion conversational response message.
Step 619, the core network mobility administrative unit is sent load bearing deactivation message and is given base station from home, the deletion Radio Resource, this accessing of indication UE reconstruction connects (indication UE rebuilds SIPTO and connects) in message.
Step 620, base station from home are sent RRC and are connected reconfiguration message to the terminal, and this accessing of indication UE reconstruction connects (indication UE reconstruction SIPTO connects) in message.
Step 621, UE initiates PDN and connects the process of setting up.
Embodiment four: initiating the S1 handoff procedure with the base station is example.
Fig. 7 is the realization flow sketch map of the embodiment of the invention four, and present embodiment specifically may further comprise the steps:
Step 701, source base station detect user's current demand signal weak strength and need the user be switched to more suitably under the base station, when source base station and target home base station do not have X2 interface or need the reorientation of core network mobility administrative unit, carry out S1 and switch.Source base station sends the switching message of S1 interface and gives the core network mobility administrative unit.
Step 702, core network mobility administrative unit send to target home base station with handoff request message and carry out switching arranged resources.
Step 703, target home base station are sent switch acknowledgment message and are shown that the target side resource reserves for the core network mobility administrative unit, reply to add indication information in the message and be used for the core network mobility administrative unit and judge whether carry out the gateway reorientation.Indication information shows that the wireless side network element is wireless side network element or the wireless side network element of home network or the wireless side network element of enterprise network of grand network.Can also can embody through the parameter of redetermination through having or not of alternate manner (the for example gateway address of wireless side network element configuration).Concrete way of realization is various, and the present invention only does the explanation of optimum implementation, does not do the qualification on the concrete implementation.Here it is to be noted: the indication information that adds in the present embodiment is a NE type.Do not give unnecessary details.
Step 704, the indication information that the core network mobility administrative unit is added according to the wireless side network element judge whether needs are carried out the gateway reorientation.
According to the wireless side network type gateway is divided into two types, one type is the core net gateway, and one type is the local service gateway.
Insert the scene of enterprise's base station from home for the user, need select the local service gateway for the user.Insert the scene of family's base station from home or macro base station for the user, need select the core net gateway for the user.
When user access network, whether the gateway that the core network mobility administrative unit can more before have been selected for the user can also if cannot just carry out the gateway reorientation, otherwise then not do the reorientation operation for existing scene service.
The situation that present embodiment need carry out the gateway reorientation with the judgement of core network mobility administrative unit describes.Can select to be fit to the gateway that the active user inserts according to the concrete scene that inserts in core network mobility administrative unit in such cases.
Step 705～step 706 is carried out the establishment session operation that core net and SIPTO are connected to new S-GW.Gateway generates corresponding user's context.
Step 707, core network mobility administrative unit are sent switching command and are given the switching of source base station triggering terminal to target home base station.
Step 708, source base station are sent to the terminal and are switched message.
Step 709, terminal synchronizes is initiated switch acknowledgment message after target home base station.
Step 710, target home base station is initiated switching notice to core network mobility administrative unit and is informed that the terminal switches under the target home base station.
Step 711, the core network mobility administrative unit is initiated the bearer update that the core network PDN connects, and the new gateway of setting up the core net connection is to data channel between core net P-GW.
Step 712, the core network mobility administrative unit is initiated the bearer update that SIPTO PDN connects, and the new gateway of setting up the SIPTO connection is to data channel between core net P-GW.
Step 713 is accomplished the S1 handoff procedure subsequent step that existing standard is stipulated.
Step 714, the core network mobility administrative unit starts the DNS inquiry or takes a decision as to whether this accessing connection carrying out reorientation of P-GW according to the P-GW address information that the base station reports according to user's position.If be judged to be, carry out following steps so, otherwise flow process finishes.This part is replenished as execution mode integrality aspect, is prior art, not as summary of the invention.
Step 715, core network mobility administrative unit are sent the deletion conversation request and are given gateway, delete this accessing and connect.
Step 716, gateway are sent the deletion conversation request and are given local P-GW, delete this accessing and connect.
Step 717～step 718, local P-GW and gateway are returned deletion conversational response message.
Step 719, the core network mobility administrative unit is sent load bearing deactivation message and is given base station from home, the deletion Radio Resource, this accessing of indication UE reconstruction connects (indication UE rebuilds SIPTO and connects) in message.
Step 720, base station from home are sent RRC and are connected reconfiguration message to the terminal, and this accessing of indication UE reconstruction connects (indication UE reconstruction SIPTO connects) in message.
Step 721, UE initiates PDN and connects the process of setting up.
A kind of decision-making system of gateway reorientation, this system comprises: insert scene identifying unit, reorientation performance element.Wherein, Insert the scene identifying unit and be used for when user access network wireless side reported by network elements indication information and give under the situation of mobility management unit of core net, the mobility management unit of core net determines the current access scene of user according to said indication information.The reorientation performance element is used to carry out the access scene corresponding gateway reorientation current with the user.
Here; This system also comprises: comparing unit; Comparing unit is used under the situation that determines the current access scene of user according to indication information, and whether the mobility management unit of core net can also be that the current access scene of user continues service for the gateway that the user selects relatively before.
Here, the reorientation performance element be further used at the comparative result of comparing unit be: the gateway of before selecting for the user can not current access scene continue to carry out the gateway reorientation under the situation of service for the user; Comparative result at comparing unit is: the gateway of before selecting for the user can current access scene continue not carry out the gateway reorientation under the situation of service for the user.
Here, the wireless side network element comprises: base station from home, macro base station or home base-station gateway.
Here, the mobility management unit of core net comprises: MME or SGSN.
Here, indication information is: be used to indicate the wireless side network element be grand network the wireless side network element, or be used to indicate the wireless side network element be home network the wireless side network element, or to be used to indicate the wireless side network element be the information of the wireless side network element of enterprise network.
The above is merely preferred embodiment of the present invention, is not to be used to limit protection scope of the present invention.
Claims (10)
1. the decision method of a gateway reorientation; It is characterized in that; This method comprises: during user access network; Wireless side reported by network elements indication information is given the mobility management unit of core net, and the mobility management unit of said core net determines the current access scene of user according to said indication information, carries out and the current corresponding gateway reorientation of access scene of said user.
2. method according to claim 1; It is characterized in that; Carry out with the current corresponding gateway reorientation of access scene of said user before; This method also comprises: when determining the current access scene of said user according to said indication information; Whether the gateway that the mobility management unit of core net is selected for the user earlier relatively before can also if can not continue to serve for the current access scene of user, then carry out the gateway reorientation for the current access scene of said user continues service; Otherwise, do not carry out the gateway reorientation.
3. method according to claim 1 and 2 is characterized in that, said wireless side network element comprises: base station from home, macro base station or home base-station gateway.
4. method according to claim 1 and 2 is characterized in that, the mobility management unit of said core net comprises: Mobility Management Entity (MME) or service universal grouping wireless serving GPRS support node (SGSN).
5. method according to claim 1 and 2; It is characterized in that said indication information is: be used to indicate the wireless side network element be grand network the wireless side network element, or be used to indicate the wireless side network element be home network the wireless side network element, or to be used to indicate the wireless side network element be the information of the wireless side network element of enterprise network.
6. the decision-making system of a gateway reorientation is characterized in that, this system comprises: insert scene identifying unit, reorientation performance element; Wherein,
Insert the scene identifying unit, be used for when user access network wireless side reported by network elements indication information and give under the situation of mobility management unit of core net, the mobility management unit of core net determines the current access scene of user according to said indication information;
The reorientation performance element is used to carry out the access scene corresponding gateway reorientation current with said user.
7. system according to claim 6; It is characterized in that; This system also comprises: comparing unit; Be used for determining according to said indication information under the situation of the current access scene of said user, whether the mobility management unit of core net can also be that the current access scene of said user continues service for the gateway that the user selects relatively before;
The reorientation performance element, be further used at the comparative result of comparing unit be: the gateway of before selecting for the user can not current access scene continue to carry out the gateway reorientation under the situation of service for the user; Comparative result at comparing unit is: the gateway of before selecting for the user can current access scene continue not carry out the gateway reorientation under the situation of service for the user.
8. according to claim 6 or 7 described systems, it is characterized in that said wireless side network element comprises: base station from home, macro base station or home base-station gateway.
9. according to claim 6 or 7 described systems, it is characterized in that the mobility management unit of said core net comprises: MME or SGSN.
10. according to claim 6 or 7 described methods; It is characterized in that said indication information is: be used to indicate the wireless side network element be grand network the wireless side network element, or be used to indicate the wireless side network element be home network the wireless side network element, or to be used to indicate the wireless side network element be the information of the wireless side network element of enterprise network.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102892155A (en) * | 2012-09-18 | 2013-01-23 | 中兴通讯股份有限公司 | Method for relocating gateway and mobile management entity |
| WO2014044117A1 (en) * | 2012-09-18 | 2014-03-27 | 中兴通讯股份有限公司 | Gateway relocation method and mobility management entity |
| CN102892155B (en) * | 2012-09-18 | 2019-07-30 | 中兴通讯股份有限公司 | A kind of method and mobility management entity of gateway reorientation |
| CN103841607A (en) * | 2012-11-21 | 2014-06-04 | 中兴通讯股份有限公司 | Gateway relocation method, mobile management entity and donor evolved node B |
| WO2015062065A1 (en) * | 2013-11-01 | 2015-05-07 | 华为技术有限公司 | Device, apparatus and method for establishing connection with packet data network |
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| CN102457958B (en) | 2016-08-03 |
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