CN104703293B - A kind of LIPA/SIPTO establishment of connection method and apparatus - Google Patents
A kind of LIPA/SIPTO establishment of connection method and apparatus Download PDFInfo
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- CN104703293B CN104703293B CN201410765171.3A CN201410765171A CN104703293B CN 104703293 B CN104703293 B CN 104703293B CN 201410765171 A CN201410765171 A CN 201410765171A CN 104703293 B CN104703293 B CN 104703293B
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- Prior art keywords
- lipa
- sipto
- base station
- terminal
- connection
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/20—Manipulation of established connections
- H04W76/25—Maintenance of established connections
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/30—Connection release
- H04W76/34—Selective release of ongoing connections
- H04W76/36—Selective release of ongoing connections for reassigning the resources associated with the released connections
Abstract
The invention discloses a kind of LIPA/SIPTO establishment of connection method and apparatus.Wherein, this method comprises: MME receives the LIPA/SIPTO identification information that base station is sent, and when determining that the LIPA/SIPTO function is supported in the base station according to the LIPA/SIPTO identification information, the public data network PDN connection of the base station counterpart terminal is obtained；Obtain the signing information of terminal corresponding to the PDN connection, when determining that the terminal supports the LIPA/SIPTO function according to the signing information, discharge the corresponding PDN connection of the terminal, and after discharging the PDN connection, if terminal re-initiates PDN connection request, LIPA/SIPTO is established with local gateway LGW and is connect.The present invention solves the technical issues of common PDN connection can not being updated to LIPA/SIPTO connection in real time.
Description
Technical field
The present invention relates to the communications fields, in particular to a kind of LIPA/SIPTO establishment of connection method and apparatus.
Background technique
With the rapid development of mobile Internet, it new business and applies and is bringing the same of more rich experience to user
When, the increase of number of users and the raising of user data transmission rate all propose higher want to the network element performance of core network
It asks.(Selected IP Traffic Offload selects IP by LIPA (Local IP Access, local IP access) and SIPTO
Flow unloading) technology is initially based on HeNB (Home enhanced NodeB, Home eNodeB) and proposes.LIPA and SIPTO
Technology is the enhancing to HeNB function, and user data delivery can be realized directly by HeNB completely, no longer needs to be transmitted to operation
The core network of quotient, business directly shunt away from HeNB, in this way while reducing data delivery lag, decrease core
The load and transmission cost of network, operator can maximally utilize the limited resource of core net, mention for valuable business
For preferably servicing, user experience is greatly improved.
For the network architecture, LIPA is used for HeNB, and SIPTO can be used for HeNB, it can also be used to macro network.From function and
From the point of view of configuration aspects, the problem of LIPA and SIPTO@LN (SIPTO over the Local Network) is similar, network
Framework is also essentially identical.In LIPA and SIPTO@LN interconnection technique, LGW (Local Gateway, local gateway) instead of
PGW, LGW and HeNB are integrated, and realize that the traffic data of user is directly accessed from H (e) NB, without core net
PGW (PDN Gateway).
In existing LIPA/SIPTO technology, if HeNB dynamic increases LIPA/SIPTO ability, need to wait until originally
After the common PDN Connection Release of creation, LIPA/SIPTO connection could be initiated, in this way, the common PDN connection originally created
Can not real-time update be LIPA/SIPTO connection, and LTE (Long Term Evolution, long term evolution) network persistently exist
Line characteristic, so that the carrying having built up is unable to fully shunt resource using LIPA bring.
Summary of the invention
The embodiment of the invention provides a kind of LIPA/SIPTO establishment of connection method and apparatus, at least solve can not be real
When the technical issues of common PDN connection is updated to LIPA/SIPTO connection.
According to an aspect of an embodiment of the present invention, a kind of LIPA/SIPTO establishment of connection method is provided, comprising:
Mobile management entity MME receives the LIPA/SIPTO identification information that base station is sent, wherein the LIPA/SIPTO mark
Know information and supports LIPA/SIPTO function for indicating the base station；
When determining that the LIPA/SIPTO function is supported in the base station according to the LIPA/SIPTO identification information, obtain
The public data network PDN of the base station counterpart terminal connects；
Obtain the signing information of terminal corresponding to the PDN connection, wherein the signing information indicates that the terminal is supported
The LIPA/SIPTO function；
When determining that the terminal supports the LIPA/SIPTO function according to the signing information, the terminal pair is discharged
The PDN connection answered；
After discharging the PDN connection, if terminal re-initiates PDN connection request, LIPA/ is established with local gateway LGW
SIPTO connection.
Preferably, MME receives the LIPA/SIPO identification information that the base station is sent and includes:
Receive the configuration update message that the base station is sent, wherein the configuration update message carries the LIPA/
SIPTO identification information；Alternatively,
Receive the evolution radio access bearer ERAB modification instruction message that the base station is sent, wherein the ERAB modification
Instruction message carries the LIPA/SIPTO identification information.
Preferably, discharging the corresponding PDN connection of the terminal includes:
Initiate load bearing deactivation process；Alternatively, initiating attachment removal process.
Preferably, before the corresponding PDN connection of the release terminal, further includes:
Obtain the LIPA/SIPTO connection prior information being locally configured；Alternatively, being obtained according to the signing information of the terminal
The LIPA/SIPTO connection prior information；
Discharging the corresponding PDN connection of the terminal includes:
The corresponding PDN connection of the terminal is discharged according to LIPA/SIPTO connection prior information triggering.
Preferably, the base station includes master base station and from base station, and MME receives the LIPA/SIPTO identification information that base station is sent
Include:
Described in receiving in the master base station after the LIPA/SIPTO identification information that base station is sent, the master base station is received
The LIPA/SIPTO identification information of transmission, wherein the LIPA/SIPTO identification information is described from base station support for indicating
LIPA/SIPTO function；
When determining that the LIPA/SIPTO function is supported in the base station according to the LIPA/SIPTO identification information, obtain
The corresponding PDN connection in the base station includes:
The LIPA/ is supported from base station in the case where determining the master base station according to the LIPA/SIPTO identification information
When SIPTO function, the PDN connection of the master base station counterpart terminal is obtained.
According to another aspect of an embodiment of the present invention, a kind of local IP access LIPA/ selection IP flow unloading is additionally provided
SIPTO establishment of connection device, is applied to MME, and described device includes:
Receiving module, for receiving the LIPA/SIPTO identification information of base station transmission, wherein the LIPA/SIPTO mark
Information supports LIPA/SIPTO function for indicating the base station；
Module is obtained, for determining the base station branch according to the received LIPA/SIPTO identification information of the receiving module
When holding the LIPA/SIPTO function, the public data network PDN connection of the base station counterpart terminal is obtained, and obtains the PDN
Connect the signing information of corresponding terminal, wherein the signing information indicates that the terminal supports the LIPA/SIPTO function；
Processing module, for being determined in the signing information obtained according to the acquisition module described in the terminal support
When LIPA/SIPTO function, the corresponding PDN connection of the terminal is discharged；
Link block is used for after the processing module discharges the PDN connection, if the terminal re-initiates PDN company
Request is connect, LIPA/SIPTO is established with LGW and connect.
Preferably, the receiving module, the configuration update message sent for receiving the base station, wherein the configuration
Update message carries the LIPA/SIPTO identification information；And receive the evolution radio access bearer that the base station is sent
ERAB modifies instruction message, wherein the ERAB modification instruction message carries the LIPA/SIPTO identification information.
Preferably, the processing module, for initiating load bearing deactivation process, and initiation attachment removal process.
Preferably, the acquisition module is also used to, before the processing module discharges the corresponding PDN connection of the terminal,
Obtain the LIPA/SIPTO connection prior information being locally configured；Alternatively, obtaining the LIPA/ according to the signing information of the terminal
SIPTO connection prior information；
The processing module is used for, and it is corresponding to discharge the terminal according to LIPA/SIPTO connection prior information triggering
PDN connection.
Preferably, the receiving module connects for including master base station and when from base station in the base station in the master base station
Described in receiving after the LIPA/SIPTO identification information that base station is sent, the LIPA/SIPTO mark letter that the master base station is sent is received
Breath, wherein the LIPA/SIPTO identification information mark is described to support LIPA/SIPTO function from base station；
The acquisition module, in the case where determining the master base station according to the LIPA/SIPTO identification information from base station
When supporting the LIPA/SIPTO function, the PDN connection of the master base station counterpart terminal is obtained.
In the embodiment of the present invention, MME receives the LIPA/SIPTO identification information that base station is sent, wherein the LIPA/SIPTO
Identification information supports LIPA/SIPTO function for indicating the base station, and MME is somebody's turn to do according to the LIPA/SIPTO identification information is determining
When the LIPA/SIPTO function is supported in base station, the PDN connection of the base station counterpart terminal is obtained, and is obtained corresponding to the PDN connection
The signing information of terminal, wherein the signing information indicates that the terminal supports the LIPA/SIPTO function, according to the signing information
When determining that the terminal supports the LIPA/SIPTO function, the corresponding PDN connection of the terminal is discharged, after discharging the PDN connection, if
Terminal re-initiates PDN connection request, establishes LIPA/SIPTO with LGW and connect, in this way, base station is increasing LIPA/SIPTO function
Afterwards, current common PDN connection can be discharged in real time, and after terminal re-initiates PDN connection request, complete LIPA/SIPTO
Establishment of connection, to solve the technical issues of common PDN connection can not being updated to LIPA/SIPTO connection in real time.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is a kind of LIPA/SIPTO networking schematic diagram according to prior art；
Fig. 2 is a kind of schematic diagram of LIPA/SIPTO establishment of connection method according to an embodiment of the present invention；
Fig. 3 is a kind of schematic diagram of Signalling exchange for establishing PDN connection process according to an embodiment of the present invention；
Fig. 4 is a kind of schematic diagram of the Signalling exchange of load bearing deactivation process according to an embodiment of the present invention；
Fig. 5 is a kind of schematic diagram of the Signalling exchange of attachment removal process according to an embodiment of the present invention；
Fig. 6 is a kind of schematic diagram of Signalling exchange for establishing LIPA/SIPTO connection process according to an embodiment of the present invention；
Fig. 7 is the schematic diagram of another kind LIPA/SIPTO establishment of connection method according to an embodiment of the present invention；
Fig. 8 is the schematic diagram of another kind LIPA/SIPTO establishment of connection method according to an embodiment of the present invention；
Fig. 9 is the schematic diagram of another kind LIPA/SIPTO establishment of connection method according to an embodiment of the present invention；
Figure 10 is the structural schematic diagram of another kind LIPA/SIPTO establishment of connection device according to an embodiment of the present invention.
Specific embodiment
Hereinafter, the present invention will be described in detail with reference to the accompanying drawings and in combination with Examples.It should be noted that not conflicting
In the case of, the features in the embodiments and the embodiments of the present application can be combined with each other.
It should be noted that the following embodiment of the present invention can be applied to a kind of LIPA (Local IP Access, sheet
Ground IP access) in/SIPTO (Selected IP Traffic Offload, select IP flow unloading) networking, as shown in Figure 1,
The networking includes: terminal, base station, MME (Mobility Management Entity, mobile management entity), SGW (Serving
Gateway, gateway) and HSS (Home Subscriber Server, home subscriber subscribed services device) and LGW
(Local Gateway, local gateway), wherein the terminal is connected with base station, which can be Home eNodeB, LGW deployment
On the base station, which connect with the MME, which connect with the LGW, which connects respectively at the SGW with HSS.
It provides a method in the present embodiment, Fig. 2 is a kind of LIPA/SIPTO connection according to an embodiment of the present invention
Method for building up flow chart, as shown in Fig. 2, the process includes the following steps:
Step S202, MME receive the LIPA/SIPTO identification information that base station is sent；
Wherein, which supports LIPA/SIPTO function for indicating the base station.
Step S204, when determining that the LIPA/SIPTO function is supported in the base station according to the LIPA/SIPTO identification information,
Obtain the PDN connection of the base station counterpart terminal；
Step S206 obtains the signing information of terminal corresponding to the PDN connection；
Wherein, which indicates that the terminal supports the LIPA/SIPTO function.
Step S208 discharges the terminal when determining that the terminal supports the LIPA/SIPTO function according to the signing information
Corresponding PDN connection；
Step S210, if terminal re-initiates PDN connection request, is built after discharging the PDN connection with local gateway LGW
Vertical LIPA/SIPTO connection.Through the above steps, base station is after increasing LIPA/SIPTO function, can discharge in real time current general
Logical PDN connection, and after terminal re-initiates PDN connection request, LIPA/SIPTO establishment of connection is completed, to solve nothing
The technical issues of common PDN connection is updated to LIPA/SIPTO connection in real time by method.Preferably, the configuration of base station transmission is received
Update message, wherein the configuration update message carries the LIPA/SIPTO identification information；Alternatively, receiving base station transmission
ERAB (Evolved Radio Access Bearer, evolution radio access bearer) modifies instruction message, wherein the ERAB is repaired
Change instruction message and carry the LIPA/SIPTO identification information, in this way, base station can pass through any one of above two mode
The LIPA/SIPTO identification information is sent to MME, to flexibly send LIPA/SIPTO mark according to the current state in base station
Know information.
Wherein, as shown in figure 3, the signaling process of above-mentioned PDN connection includes:
S301, terminal send connection request message to base station.
The connection request message is sent to MME by S302, base station.
S303, MME send creation session request after receiving the connection request message, to SGW.
The creation session request is sent to PGW by S304, SGW.
S305, the PGW send creation conversational response after receiving the creation session request, to SGW.
The creation conversational response is sent to MME by S306, SGW.
S307, MME send initial context to base station and establish request after receiving the creation conversational response.
S308, base station are receiving initial context foundation request, are sending creation bearer messages to terminal.
S309, terminal carry request according to the creation and create PDN connection by base station.
Preferably, load bearing deactivation process is initiated；Alternatively, initiating attachment removal process.In this way, passing through load bearing deactivation process
Or attachment removal process completes the release of PDN connection.
It should be noted that then initiating to hold when MME determines that deactivated carrying is not the last one carrying of the terminal
It carries and deactivates process, when MME determines that deactivated carrying is the last one carrying, then attachment removal process is initiated, to discharge
The corresponding PDN connection of the terminal, as shown in figure 4, the signaling process of the load bearing deactivation includes:
S401, MME send deleting bearing order to SGW.
The deleting bearing order is sent to PGW by S402, SGW.
S403, PGW send deleting bearing request after receiving the deleting bearing order, to SGW.
Deleting bearing request is sent to MME by S404, SGW.
S405, MME send load bearing deactivation request after receiving deleting bearing request, to base station.
Load bearing deactivation request is sent to terminal by S406, base station.
Wherein, the reason value in load bearing deactivation request is to re-create, and terminal is determining that the cause value is to create again
When building, then after discharging current PDN connection, PDN connection request is re-initiated.
S407, terminal send load bearing deactivation response after receiving load bearing deactivation request, to base station.
Load bearing deactivation response is sent to MME by S408, base station.
S409, MME send deleting bearing response after receiving load bearing deactivation response, to SGW.
Deleting bearing response is sent to PGW by S410, SGW.
In this way, S401 to S410 completes load bearing deactivation process through the above steps, to discharge the corresponding PDN of the terminal
Connection.
As shown in figure 5, the signaling process of the attachment removal includes:
S501, MME send deleting bearing order to SGW.
The deleting bearing order is sent to PGW by S502, SGW.
S503, PGW send deleting bearing request after receiving the deleting bearing order, to SGW.
Deleting bearing request is sent to MME by S504, SGW.
S505, MME send attachment removal request after receiving deleting bearing request, to base station.
Attachment removal request is sent to terminal by S506, base station.
Wherein, the attachment removal request in reason value be re-create, terminal determine the cause value be re-create when,
Then after discharging current PDN connection, PDN connection request is re-initiated.
S507, terminal send attachment removal response after receiving attachment removal request, to base station.
Attachment removal response is sent to MME by S508, base station.
S509, MME send deleting bearing response after receiving attachment removal response, to SGW.
Deleting bearing response is sent to PGW by S510, SGW.
In this way, S501 to S510 completes attachment removal process through the above steps, connect to discharge the corresponding PDN of the terminal
It connects.
Preferably, before discharging the corresponding PDN connection of the terminal, it is excellent that MME obtains the LIPA/SIPTO connection being locally configured
First information, and triggered according to the LIPA/SIPTO connection prior information and discharge the corresponding PDN connection of the terminal；Alternatively, according to this
The signing information of terminal obtains the LIPA/SIPTO connection prior information, and is triggered according to the LIPA/SIPTO connection prior information
Discharge the corresponding PDN connection of the terminal.
It should be noted that the LIPA/SIPTO connection prior information can be only fitted in MME, terminal also can be only fitted to
Signing information in, when the LIPA/SIPTO connection prior information configuration in MME when, which can obtain in being locally configured
The LIPA/SIPTO connection prior information is taken, when LIPA/SIPTO connection prior information configuration is in the signing information of terminal
When, MME can obtain the signing information of the terminal from HSS, and it is excellent to obtain from the signing information LIPA/SIPTO connection
First information.
Wherein, as shown in fig. 6, the LIPA/SIPTO establishment of connection process includes:
S601, terminal send connection request message to base station.
The connection request message is sent to MME by S602, base station.
S603, MME send creation session request after receiving the connection request message, to SGW.
The creation session request is sent to LGW by S604, SGW.
S605, the LGW send creation conversational response after receiving the creation session request, to SGW.
The creation conversational response is sent to MME by S606, SGW.
S607, MME send initial context to base station and establish request after receiving the creation conversational response.
S608, base station are receiving initial context foundation request, are sending creation bearer messages to terminal.
S609, terminal carry request according to the creation and create LIPA/SIPTO connection by base station.
Preferably, under dual link scene, i.e., at least two different network nodes (such as base station) can be used in a terminal
Radio resource, each network node can undertake different roles in dual link, wherein control plane function is based primarily upon
Master base station is completed, and user face (data transmission) from base station by completing or master base station is completed with from base station jointly.General macro base station
It can be used as master base station, small base station is used as from base station, so that the purpose that data are diverted to small base station from macro base station is realized, in this hair
In bright embodiment, which includes master base station and from base station.
This is received after the LIPA/SIPTO identification information that base station is sent in the master base station, receives master base station transmission
LIPA/SIPTO identification information, and support to be somebody's turn to do from base station in the case where determining the master base station according to the LIPA/SIPTO identification information
When LIPA/SIPTO function, the corresponding PDN connection of the master base station is obtained.
Wherein, which supports LIPA/SIPTO function from base station for indicating this, in this way, double
It connects under scene, master base station receives the LIPA/SIPTO identification information sent from base station, and by modifying instruction message in ERAB
Middle addition LIPA/SIPTO identification information, MME was determined by the configuration update message to support LIPA/ from base station
SIPTO function, in such manner, it is possible to current common PDN connection is discharged in real time, and after terminal re-initiates PDN connection request, it is complete
At LIPA/SIPTO establishment of connection, so that solving to be updated to LIPA/SIPTO connection for common PDN connection in real time
Technical problem.
Fig. 7 is a kind of flow chart of LIPA/SIPTO establishment of connection method according to another embodiment of the present invention, such as Fig. 7
Shown, the present embodiment is to send LIPA/SIPTO identification information by configuration update message, which includes the following steps:
S701, terminal create PDN with PGW by base station and connect.
Wherein, PDN, which creates process, can refer to above-mentioned process shown in Fig. 3, and details are not described herein again.
S702, base station send configuration update message to MME.
Wherein, which carries the LIPA/SIPTO identification information, which uses
LIPA/SIPTO function is supported in indicating the base station.
S703, when determining that the LIPA/SIPTO function is supported in the base station according to the LIPA/SIPTO identification information, MME is obtained
Take the corresponding PDN connection in the base station.
S704, MME obtain the signing information of terminal corresponding to the PDN connection from HSS.
Wherein, which indicates that the terminal supports the LIPA/SIPTO function.
Preferably, MME obtains the LIPA/SIPTO connection prior information being locally configured, and according to the LIPA/SIPTO connection
Prior information triggering discharges the corresponding PDN connection of the terminal；Alternatively, obtaining the LIPA/SIPTO according to the signing information of the terminal
Prior information is connected, and is triggered according to the LIPA/SIPTO connection prior information and discharges the corresponding PDN connection of the terminal.
It should be noted that the LIPA/SIPTO connection prior information can be only fitted in MME, terminal also can be only fitted to
Signing information in, when the LIPA/SIPTO connection prior information configuration in MME when, which can obtain in being locally configured
The LIPA/SIPTO connection prior information is taken, when LIPA/SIPTO connection prior information configuration is in the signing information of terminal
When, MME can obtain the signing information of the terminal from HSS, and it is excellent to obtain from the signing information LIPA/SIPTO connection
First information.
S705, MME discharge the terminal pair when determining that the terminal supports the LIPA/SIPTO function according to the signing information
The PDN connection answered.
Wherein, if MME obtains the LIPA/SIPTO connection prior information, MME is preferential according to the LIPA/SIPTO connection
Information triggering discharges the corresponding PDN connection of the terminal.
Preferably, load bearing deactivation process is initiated；Alternatively, initiating attachment removal process.
It should be noted that then initiating to hold when MME determines that deactivated carrying is not the last one carrying of the terminal
It carries and deactivates process, when MME determines that deactivated carrying is the last one carrying, then attachment removal process is initiated, to discharge
The corresponding PDN connection of the terminal, wherein the load bearing deactivation process can refer to process shown in Fig. 4, which can
To refer to process shown in fig. 5, details are not described herein again.
S706, after discharging the PDN connection, if terminal re-initiates PDN connection and establishes request, MME and LGW are established
LIPA/SIPTO connection.
Wherein, LIPA/SIPTO establishment of connection process can refer to embodiment shown in fig. 6, and details are not described herein again.
It should be noted that terminal is determining that discharging received load bearing deactivation in the PDN connection procedure requests or go
Reason value in attach request is after re-creating, then to re-initiate PDN connection request.
Through the above steps, base station enables MME by adding LIPA/SIPTO identification information in configuration update message
Enough determine that LIPA/SIPTO function is supported in the base station by the configuration update message, in such manner, it is possible to discharge in real time current common
PDN connection, and after terminal re-initiates PDN connection request, LIPA/SIPTO establishment of connection is completed, it can not to solve
The technical issues of common PDN connection is updated to LIPA/SIPTO connection in real time.
Fig. 8 is a kind of flow chart of LIPA/SIPTO establishment of connection method according to another embodiment of the present invention, such as Fig. 8
Shown, the present embodiment is to modify instruction message by ERAB to send LIPA/SIPTO identification information, which includes following step
It is rapid:
S801, terminal create PDN with PGW by base station and connect.
Wherein, PDN, which creates process, can refer to above-mentioned process shown in Fig. 3, and details are not described herein again.
S802, base station send ERAB to MME and modify instruction message.
Wherein, which modifies instruction message and carries the LIPA/SIPTO identification information, LIPA/SIPTO mark letter
Breath supports LIPA/SIPTO function for indicating the base station.
S803, when determining that the LIPA/SIPTO function is supported in the base station according to the LIPA/SIPTO identification information, MME is obtained
Take the PDN connection of terminal corresponding to ERAB modification instruction message.
S804, MME obtain the signing information of the terminal from HSS.
Wherein, which indicates that the terminal supports the LIPA/SIPTO function.
Preferably, MME obtains the LIPA/SIPTO connection prior information being locally configured, and according to the LIPA/SIPTO connection
Prior information triggering discharges the corresponding PDN connection of the terminal；Alternatively, obtaining the LIPA/SIPTO according to the signing information of the terminal
Prior information is connected, and is triggered according to the LIPA/SIPTO connection prior information and discharges the corresponding PDN connection of the terminal.
It should be noted that the LIPA/SIPTO connection prior information can be only fitted in MME, terminal also can be only fitted to
Signing information in, when the LIPA/SIPTO connection prior information configuration in MME when, which can obtain in being locally configured
The LIPA/SIPTO connection prior information is taken, when LIPA/SIPTO connection prior information configuration is in the signing information of terminal
When, MME can obtain the signing information of the terminal from HSS, and it is excellent to obtain from the signing information LIPA/SIPTO connection
First information.
S805, MME discharge the terminal pair when determining that the terminal supports the LIPA/SIPTO function according to the signing information
The PDN connection answered.
Wherein, if MME obtains the LIPA/SIPTO connection prior information, MME is preferential according to the LIPA/SIPTO connection
Information triggering discharges the corresponding PDN connection of the terminal.
Preferably, load bearing deactivation process is initiated；Alternatively, initiating attachment removal process.
It should be noted that then initiating to hold when MME determines that deactivated carrying is not the last one carrying of the terminal
It carries and deactivates process, when MME determines that deactivated carrying is the last one carrying, then attachment removal process is initiated, to discharge
The corresponding PDN connection of the terminal, wherein the load bearing deactivation process can refer to process shown in Fig. 4, which can
To refer to process shown in fig. 5, details are not described herein again.
S806, after discharging the PDN connection, if terminal re-initiates PDN connection and establishes request, MME and LGW are established
LIPA/SIPTO connection.
Wherein, LIPA/SIPTO establishment of connection process can refer to embodiment shown in fig. 6, and details are not described herein again.
It should be noted that terminal is determining that discharging received load bearing deactivation in the PDN connection procedure requests or go
Reason value in attach request is after re-creating, then to re-initiate PDN connection request.
Through the above steps, LIPA/SIPTO identification information is added by modifying in ERAB in base station in instruction message, so that
MME can determine that LIPA/SIPTO function is supported in the base station by the configuration update message, in such manner, it is possible to discharge in real time currently
Common PDN connection, and after terminal re-initiates PDN connection request, LIPA/SIPTO establishment of connection is completed, to solve
The technical issues of common PDN connection can not being updated to LIPA/SIPTO connection in real time.
Fig. 9 is a kind of flow chart of LIPA/SIPTO establishment of connection method according to another embodiment of the present invention, such as Fig. 9
Shown, the present embodiment is under dual link scene, i.e., at least two different network nodes (such as base station) can be used in a terminal
Radio resource, each network node can undertake different roles in dual link, wherein control plane function is based primarily upon
Master base station is completed, and user face (data transmission) from base station by completing or master base station is completed with from base station jointly.General macro base station
It can be used as master base station, small base station is used as from base station, so that the purpose that data are diverted to small base station from macro base station is realized, in this hair
In bright embodiment, which includes master base station and from base station, which includes the following steps:
S901, terminal create PDN with PGW by master base station and connect.
Wherein, PDN, which creates process, can refer to above-mentioned process shown in Fig. 3, and details are not described herein again.
S902 is sent to master base station from base station by LIPA/SIPTO identification information.
S903, master base station send ERAB to MME and modify instruction message.
Wherein, which modifies instruction message and carries the LIPA/SIPTO identification information, LIPA/SIPTO mark letter
Breath supports LIPA/SIPTO function from base station for indicating this.
S904 supports the LIPA/SIPTO from base station in the case where determining the master base station according to the LIPA/SIPTO identification information
When function, MME obtains the PDN connection of terminal and master base station corresponding to ERAB modification instruction message.
S905, MME obtain the signing information that terminal corresponding to the PDN connection is obtained from HSS.
Wherein, which indicates that the terminal supports the LIPA/SIPTO function.
Preferably, before discharging the corresponding PDN connection of the terminal, it is excellent that MME obtains the LIPA/SIPTO connection being locally configured
First information, and triggered according to the LIPA/SIPTO connection prior information and discharge the corresponding PDN connection of the terminal；Alternatively, according to this
The signing information of terminal obtains the LIPA/SIPTO connection prior information, and is triggered according to the LIPA/SIPTO connection prior information
Discharge the corresponding PDN connection of the terminal.
S906, MME discharge the terminal pair when determining that the terminal supports the LIPA/SIPTO function according to the signing information
The PDN connection answered.
Wherein, if MME obtains the LIPA/SIPTO connection prior information, MME is preferential according to the LIPA/SIPTO connection
Information triggering discharges the corresponding PDN connection of the terminal.
Preferably, load bearing deactivation process is initiated；Alternatively, initiating attachment removal process.
It should be noted that then initiating to hold when MME determines that deactivated carrying is not the last one carrying of the terminal
It carries and deactivates process, when MME determines that deactivated carrying is the last one carrying, then attachment removal process is initiated, to discharge
The corresponding PDN connection of the terminal, wherein the load bearing deactivation process can refer to process shown in Fig. 4, which can
To refer to process shown in fig. 5, details are not described herein again.S907, after discharging the PDN connection, if terminal re-initiates PDN company
Request is connect, MME establishes LIPA/SIPTO with LGW and connect.
It should be noted that terminal is determining that discharging received load bearing deactivation in the PDN connection procedure requests or go
Reason value in attach request is after re-creating, then to re-initiate PDN connection request.
Wherein, MME establishes LIPA/SIPTO with LGW and connect, to complete terminal and connect from LIPA/SIPTO between base station
The foundation connect, and then realize that data are diverted to the purpose from base station from master base station.
Through the above steps, under dual link scene, master base station receives the LIPA/SIPTO identification information sent from base station,
And LIPA/SIPTO identification information is added in instruction message by modifying in ERAB, MME is disappeared by configuration update
Breath, which determined, to support LIPA/SIPTO function from base station, in such manner, it is possible to discharge current common PDN connection in real time, and in terminal
After re-initiating PDN connection request, LIPA/SIPTO establishment of connection is completed, so that solving in real time to connect common PDN
Connect the technical issues of being updated to LIPA/SIPTO connection.
A kind of LIPA/SIPTO establishment of connection device is additionally provided in the present embodiment, and the device is for realizing above-mentioned reality
Example and preferred embodiment are applied, the descriptions that have already been made will not be repeated.As used below, term " module " may be implemented
The combination of the software and/or hardware of predetermined function.Although device described in following embodiment is preferably realized with software,
The realization for being the combination of hardware or software and hardware is also that may and be contemplated.
Figure 10 is a kind of structural block diagram of LIPA/SIPTO establishment of connection device 100 according to an embodiment of the present invention, should
Device is applied to MME, and as shown in Figure 10, which includes:
Receiving module 101, for receiving the LIPA/SIPTO identification information of base station transmission, wherein LIPA/SIPTO mark
Know information and supports LIPA/SIPTO function for indicating the base station；
Preferably, receiving module 101, for receiving the configuration update message of base station transmission, wherein the configuration updates
Message carries the LIPA/SIPTO identification information；And it receives the evolution radio access bearer ERAB modification that the base station is sent and refers to
Show message, wherein ERAB modification instruction message carries the LIPA/SIPTO identification information.
Module 102 is obtained, for determining the base station according to the received LIPA/SIPTO identification information of receiving module 101
When supporting the LIPA/SIPTO function, the public data network PDN connection of the base station counterpart terminal is obtained, and obtains the PDN connection
The signing information of corresponding terminal, wherein the signing information indicates that the terminal supports the LIPA/SIPTO function.
Processing module 103, for determining that the terminal is supported to be somebody's turn to do in the signing information obtained according to the acquisition module 102
When LIPA/SIPTO function, the corresponding PDN connection of the terminal is discharged.
Preferably, which is also used to, before the processing module 103 discharges the corresponding PDN connection of the terminal,
Obtain the LIPA/SIPTO connection prior information being locally configured；Alternatively, obtaining the LIPA/ according to the signing information of the terminal
SIPTO connection prior information；
The processing module 103 is used for, and is triggered according to the LIPA/SIPTO connection prior information and is discharged the corresponding PDN of the terminal
Connection.
Preferably, processing module 103, for initiating load bearing deactivation process, and initiation attachment removal process.
Link block 104 is used for after the processing module 103 discharges the PDN connection, if terminal re-initiates PDN connection
Request, establishes LIPA/SIPTO with LGW and connect.
Preferably, under dual link scene, i.e., at least two different network nodes (such as base station) can be used in a terminal
Radio resource, each network node can undertake different roles in dual link, wherein control plane function is based primarily upon
Master base station is completed, and user face (data transmission) from base station by completing or master base station is completed with from base station jointly.General macro base station
It can be used as master base station, small base station is used as from base station, so that the purpose that data are diverted to small base station from macro base station is realized, in this hair
In bright embodiment, which receives this from base in the master base station for including master base station and when from base station in the base station
It stands after the LIPA/SIPTO identification information sent, receives the LIPA/SIPTO identification information of master base station transmission, wherein should
LIPA/SIPTO identification information supports LIPA/SIPTO function from base station for indicating this；
The acquisition module 102, in the case where determining the master base station according to the LIPA/SIPTO identification information from base station branch
When holding the LIPA/SIPTO function, the PDN connection of the master base station counterpart terminal is obtained.
By using above-mentioned apparatus, current common PDN connection can be discharged in real time, and is re-initiated PDN in terminal and connected
After connecing request, LIPA/SIPTO establishment of connection is completed, so that solving to be updated to LIPA/ for common PDN connection in real time
The technical issues of SIPTO connection.
Obviously, those skilled in the art should be understood that each module of the above invention or each step can be with general
Computing device realize that they can be concentrated on a single computing device, or be distributed in multiple computing devices and formed
Network on, optionally, they can be realized with the program code that computing device can perform, it is thus possible to which they are stored
It is performed by computing device in the storage device, and in some cases, it can be to be different from shown in sequence execution herein
Out or description the step of, perhaps they are fabricated to each integrated circuit modules or by them multiple modules or
Step is fabricated to single integrated circuit module to realize.In this way, the present invention is not limited to any specific hardware and softwares to combine.
In conclusion heretofore described method is on the basis of LIPA/SIPTO function, by changing to S1AP message
Into realization, while the UE signing information of HSS increases in LIPA/SIPTO preferential signing item or MME network element and increases LIPA/
SIPTO preferential configuration item.Key step includes the following:
Step 1: having created common PDN connection, after disposing LIPA/SIPTO function on base station, updated by configuring
Or ERAB modifies message informing MME.
Whether step 2:MME supports the signing of LIPA/SIPTO according to the signing of the LIPA/SIPTO ability and UE of HeNB
And local exchange whether to configure LIPA/SIPTO preferential, decide whether to discharge common PDN connection, trigger UE and re-initiate creation,
To establish LIPA PDN connection.
Optionally, MME is preferential according to the UE LIPA/SIPTO that whether contracts, and decides whether to discharge common PDN connection, triggers UE
Creation is re-initiated, to establish LIPA/SIPTO connection.
Step 3: if supporting LIPA/SIPTO preferential, MME release is connect with the PDN of base station associated user, and triggering is used
New PDN connection request is initiated at family, establishes LIPA connection.
The method that the present invention describes can rejudge whether need to establish LIPA company with all bearer connections of respective base station
It connects；Corresponding PDN connection can also be carried just for some rejudge whether need to establish LIPA connection.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of local IP access LIPA/ selection IP flow unloads SIPTO establishment of connection method characterized by comprising
Mobile management entity MME receives the LIPA/SIPTO identification information that base station is sent, wherein the LIPA/SIPTO mark letter
Breath supports LIPA/SIPTO function for indicating the base station；
When determining that the LIPA/SIPTO function is supported in the base station according to the LIPA/SIPTO identification information, described in acquisition
The public data network PDN of base station counterpart terminal connects；
Obtain the signing information of terminal corresponding to the PDN connection, wherein the signing information indicates described in the terminal support
LIPA/SIPTO function；
When determining that the terminal supports the LIPA/SIPTO function according to the signing information, it is corresponding to discharge the terminal
PDN connection；
After discharging the PDN connection, if the terminal re-initiates PDN connection request, LIPA/ is established with local gateway LGW
SIPTO connection.
2. the method according to claim 1, wherein MME receives the LIPA/SIPO mark letter that the base station is sent
Breath includes:
Receive the configuration update message that the base station is sent, wherein the configuration update message carries the LIPA/SIPTO
Identification information；Alternatively,
Receive the evolution radio access bearer ERAB modification instruction message that the base station is sent, wherein the ERAB modification instruction
Message carries the LIPA/SIPTO identification information.
3. according to the method described in claim 2, it is characterized in that, discharging the corresponding PDN connection of the terminal and including:
Initiate load bearing deactivation process；Alternatively, initiating attachment removal process.
4. method according to any one of claims 1 to 3, which is characterized in that
Before the corresponding PDN connection of the release terminal, further includes: it is preferential to obtain the LIPA/SIPTO connection being locally configured
Information；Alternatively, obtaining the LIPA/SIPTO connection prior information according to the signing information of the terminal；
Discharging the corresponding PDN connection of the terminal includes: according to LIPA/SIPTO connection prior information triggering release
The corresponding PDN connection of terminal.
5. according to the method described in claim 4, MME receives base it is characterized in that, the base station includes master base station and from base station
Stand send LIPA/SIPTO identification information include:
Described in being received in the master base station after the LIPA/SIPTO identification information that base station is sent, receives the master base station and send
LIPA/SIPTO identification information, wherein the LIPA/SIPTO identification information described supports LIPA/ from base station for indicating
SIPTO function；
When determining that the LIPA/SIPTO function is supported in the base station according to the LIPA/SIPTO identification information, described in acquisition
The PDN connection of base station counterpart terminal includes:
The LIPA/SIPTO function is supported from base station in the case where determining the master base station according to the LIPA/SIPTO identification information
When energy, the PDN connection of the master base station counterpart terminal is obtained.
6. a kind of local IP access LIPA/ selection IP flow unloads SIPTO establishment of connection device, it is applied to mobile management entity
MME, which is characterized in that described device includes:
Receiving module, for receiving the LIPA/SIPTO identification information of base station transmission, wherein the LIPA/SIPTO identification information
LIPA/SIPTO function is supported for indicating the base station；
Module is obtained, for determining that institute is supported in the base station according to the received LIPA/SIPTO identification information of the receiving module
When stating LIPA/SIPTO function, the public data network PDN connection of the base station counterpart terminal is obtained, and obtains the PDN connection
The signing information of corresponding terminal, wherein the signing information indicates that the terminal supports the LIPA/SIPTO function；
Processing module, for determining that the terminal supports the LIPA/ in the signing information obtained according to the acquisition module
When SIPTO function, the corresponding PDN connection of the terminal is discharged；
Link block, for after the processing module discharges the PDN connection, connection to be asked if the terminal re-initiates PDN
It asks, establishes LIPA/SIPTO with LGW and connect.
7. device according to claim 6, which is characterized in that the receiving module, for receiving the base station transmission
Configuration update message, wherein the configuration update message carries the LIPA/SIPTO identification information；And receive the base
The evolution radio access bearer ERAB sent that stands modifies instruction message, wherein the ERAB modification instruction message carries described
LIPA/SIPTO identification information.
8. device according to claim 7, which is characterized in that the processing module, for initiating load bearing deactivation process,
And initiate attachment removal process.
9. according to the described in any item devices of claim 6 to 8, which is characterized in that
The acquisition module is also used to, and before the processing module discharges the corresponding PDN connection of the terminal, acquisition is locally configured
LIPA/SIPTO connection prior information；Alternatively, it is excellent to obtain the LIPA/SIPTO connection according to the signing information of the terminal
First information；
The processing module is used for, and discharges the corresponding PDN of the terminal according to LIPA/SIPTO connection prior information triggering
Connection.
10. device according to claim 9, which is characterized in that the receiving module, for including main base in the base station
Stand and when from base station, received in the master base station it is described after the LIPA/SIPTO identification information that base station is sent, described in reception
The LIPA/SIPTO identification information that master base station is sent, wherein the LIPA/SIPTO identification information is described from base station for indicating
Support LIPA/SIPTO function；
The acquisition module, for supporting from base station in the case where determining the master base station according to the LIPA/SIPTO identification information
When the LIPA/SIPTO function, the PDN connection of the master base station counterpart terminal is obtained.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410765171.3A CN104703293B (en) | 2014-12-11 | 2014-12-11 | A kind of LIPA/SIPTO establishment of connection method and apparatus |
| PCT/CN2015/084729 WO2016090922A1 (en) | 2014-12-11 | 2015-07-21 | Lipa/sipto connection establishment method and device |
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| CN201410765171.3A CN104703293B (en) | 2014-12-11 | 2014-12-11 | A kind of LIPA/SIPTO establishment of connection method and apparatus |
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| CN104717764A (en) * | 2014-12-11 | 2015-06-17 | 中兴通讯股份有限公司 | Method and device for establishing LIPA/SIPTO connection |
| CN104703293B (en) * | 2014-12-11 | 2019-11-29 | 南京中兴软件有限责任公司 | A kind of LIPA/SIPTO establishment of connection method and apparatus |
| JP6513834B2 (en) * | 2015-07-03 | 2019-05-15 | エルジー エレクトロニクス インコーポレイティド | Method and apparatus for improving LTE-WLAN coordination in a wireless communication system |
| CN105634980B (en) * | 2016-01-07 | 2018-10-12 | 北京佰才邦技术有限公司 | Data message processing method and base station |
| WO2021232210A1 (en) * | 2020-05-18 | 2021-11-25 | Qualcomm Incorporated | Recovering from data stall in non-standalone new radio systems |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102006673A (en) * | 2009-08-28 | 2011-04-06 | 华为技术有限公司 | Method, device and system for releasing connection |
| CN102457984A (en) * | 2010-11-02 | 2012-05-16 | 大唐移动通信设备有限公司 | Method, device and system for releasing LIPA (local IP access) |
| CN102742305A (en) * | 2010-12-22 | 2012-10-17 | 华为技术有限公司 | Processing method, device and network system for mobility management of local internet protocol access public data network |
| WO2013006417A2 (en) * | 2011-07-01 | 2013-01-10 | Interdigital Patent Holdings, Inc. | Method and apparatus for managing service continuity |
| CN103229546A (en) * | 2010-09-28 | 2013-07-31 | 捷讯研究有限公司 | Method and device for releasing connection with local GW when UE moved out of the residential/enterprise network coverage |
| CN103841657A (en) * | 2012-11-21 | 2014-06-04 | 中兴通讯股份有限公司 | Local IP access connection release method and MRN |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101091300B1 (en) * | 2009-08-21 | 2011-12-07 | 엘지전자 주식회사 | Server for control plane at mobile communication network and method for controlling Local IP Access Service |
| US9398517B2 (en) * | 2010-01-11 | 2016-07-19 | Blackberry Limited | System and method for enabling discovery of local service availability in local cellular coverage |
| CN102076038B (en) * | 2011-01-17 | 2013-08-14 | 大唐移动通信设备有限公司 | Method and device for implementing oop initialization prearranged assignment (LIPA) connection switching preparation process |
| KR101929071B1 (en) * | 2011-04-01 | 2018-12-13 | 인터디지탈 패튼 홀딩스, 인크 | Performing a selective ip traffic offload procedure |
| CN104717764A (en) * | 2014-12-11 | 2015-06-17 | 中兴通讯股份有限公司 | Method and device for establishing LIPA/SIPTO connection |
| CN104703293B (en) * | 2014-12-11 | 2019-11-29 | 南京中兴软件有限责任公司 | A kind of LIPA/SIPTO establishment of connection method and apparatus |
-
2014
- 2014-12-11 CN CN201410765171.3A patent/CN104703293B/en active Active
-
2015
- 2015-07-21 WO PCT/CN2015/084729 patent/WO2016090922A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102006673A (en) * | 2009-08-28 | 2011-04-06 | 华为技术有限公司 | Method, device and system for releasing connection |
| CN103229546A (en) * | 2010-09-28 | 2013-07-31 | 捷讯研究有限公司 | Method and device for releasing connection with local GW when UE moved out of the residential/enterprise network coverage |
| CN102457984A (en) * | 2010-11-02 | 2012-05-16 | 大唐移动通信设备有限公司 | Method, device and system for releasing LIPA (local IP access) |
| CN102742305A (en) * | 2010-12-22 | 2012-10-17 | 华为技术有限公司 | Processing method, device and network system for mobility management of local internet protocol access public data network |
| WO2013006417A2 (en) * | 2011-07-01 | 2013-01-10 | Interdigital Patent Holdings, Inc. | Method and apparatus for managing service continuity |
| CN103841657A (en) * | 2012-11-21 | 2014-06-04 | 中兴通讯股份有限公司 | Local IP access connection release method and MRN |
Non-Patent Citations (1)
| Title |
|---|
| Traffic Offload Mechanism in EPC Based on Bearer Type;Ma, L., & Li, W.;《International Conference on Wireless Communications》;20111010;全文 * |
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| CN104703293A (en) | 2015-06-10 |
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