CN106255161B - Method, control plane CP and the user equipment (UE) that the connection of packet data network PDN is established - Google Patents
Method, control plane CP and the user equipment (UE) that the connection of packet data network PDN is established Download PDFInfo
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- CN106255161B CN106255161B CN201610646668.2A CN201610646668A CN106255161B CN 106255161 B CN106255161 B CN 106255161B CN 201610646668 A CN201610646668 A CN 201610646668A CN 106255161 B CN106255161 B CN 106255161B
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- pdn connection
- target
- target pdn
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/06—Reselecting a communication resource in the serving access point
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
- H04W36/32—Reselection being triggered by specific parameters by location or mobility data, e.g. speed data
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/34—Reselection control
- H04W36/36—Reselection control by user or terminal equipment
- H04W36/365—Reselection control by user or terminal equipment by manual user interaction
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/17—Selecting a data network PoA [Point of Attachment]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/11—Allocation or use of connection identifiers
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- 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
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Abstract
The embodiment of the invention discloses method, control plane CP and user equipment (UE)s that the connection of packet data network PDN is established, it is able to solve because establishing the waste problem of resource caused by the PDN connection being but not used, and solve the problems, such as how to select PDN connection carry out business transmission.The method comprise the steps that the network area according to locating for user equipment (UE) control plane CP is the UE selection target PDN connection, the target PDN is connected as a PDN connection in available PDN connection；The CP sends instruction information to the UE, and the instruction information is used to indicate the UE and passes through the target PDN connection carry out business transmission；If the target PDN connection is not set up, when the UE will carry out business transmission, the CP receives the request for being used to establish the target PDN connection that the UE is sent according to the instruction information；The CP establishes the target PDN according to the request received.
Description
Technical field
The present invention relates to field of communication technology more particularly to packet data network PDN connection establish method, control plane CP and
User equipment (UE).
Background technique
Control plane user face (full name in English: Control plane and User plane, english abbreviation: CU) separate mesh
Control plane (full name in English: Control Plane, english abbreviation: CP) is network-based control node in network framework, is responsible for network control
Relevant function is made, for example, mobile management control and conversation management control etc.；User face (English in separated network framework
Full name: User Plane, english abbreviation: UP) be network user face nodes, be responsible for user data processing, for example, be responsible for use
The forwarding of user data, Internet protocol (full name in English: Internet Protocol, english abbreviation: IP) as user face
Location anchor point, such as: router.It is excellent in order to be provided to user equipment (full name in English: User Equipment, english abbreviation: UE)
The user plane path of change, when proposing the network area locating for the UE and changing, under the premise of not influencing business continuance,
Allow to reselect the scheme of IP address anchor point for UE.
A kind of relevant scheme is as follows: when network is disposed, multiple UP can access an access point name, and (English is complete
Claim: Access Point Name, english abbreviation: APN) (assuming that for Packet Data Network corresponding to APN1), (English is complete herein
Claim: Packet Data Network, english abbreviation: PDN).UE is attached to after first network region, to be connected for UE
APN1 selects a UP1, and establishes PDN connection (being assumed to be the first PDN connection)；It, can when UE is moved to the second network area
Think the UP2 of one second network area of APN1 reselection of UE, and PDN connection is established by UP2 and (is assumed to be the 2nd PDN
Connection), while the continuity in order to guarantee business in the first PDN connection, it is also necessary to safeguard the first PDN connection.If UE is by second
Network area is moved to third network area, can be the UP3 of one third network area of APN1 reselection of UE, and pass through
UP3 is established PDN connection (being assumed to be the 3rd PDN connection), while the company in order to guarantee business in the first PDN and the 2nd PDN connection
Continuous property, it is also necessary to safeguard that the first PDN connection is connected with the 2nd PDN.
However, after UE is moved to the second network area from first network region, although establishing the 2nd PDN connection for UE,
But UE may not use the 2nd PDN connection carry out business before being moved to third network area from the second network area
Transmission, and UE does not need substantially to thereby result in network money using the 2nd PDN connection after being moved to third network area
The waste in source.In addition, there are multiple PDN for the second network area when UE moves back to the second network area from third network area
Connection, UE do not know which PDN connection carry out business transmission selected.
Summary of the invention
The embodiment of the invention provides method, control plane CP and user equipment (UE) that the connection of packet data network PDN is established, energy
It enough solves the problems, such as because establishing the waste of resource caused by the PDN connection being but not used, and solve and how PDN to be selected to connect
The problem of tapping into industry business transmission.
First aspect present invention provides a kind of method that the connection of packet data network PDN is established, this method comprises: control plane
The network area according to locating for user equipment (UE) CP is the UE selection target PDN connection, wherein UE has one or more can
PDN connection, the PDN connection preferentially used that target PDN is connected as in available PDN connection, target PDN connection can
It can have been set up, it is also possible to also be not set up；The CP sends instruction information to the UE, and the instruction information is used to indicate
The UE passes through the target PDN connection carry out business transmission；If the target PDN connection is not set up, when the UE will be into
When row business transmission, when that is to say that UE has business demand, the CP receives what the UE was sent according to the instruction information
For establishing the request of the target PDN connection；The CP establishes the target PDN according to the request received.
Unlike the prior art, target PDN is only just established when there is business demand, it is possible thereby to solve because establishing but
The waste problem of resource caused by the PDN connection being not used.Meanwhile being connected by selection target PDN in network area locating for UE
It connects, to solve the problems, such as how to select PDN connection carry out business transmission.
In some possible implementations, the network area according to locating for user equipment (UE) control plane CP is described
It include: when the UE is mobile from first network region before UE selection target PDN connection, UE is possible to be moved to other nets
Network region, at this point, the CP judges whether the UE is moved to the second network area, second network area is not set up
The network area of PDN connection associated with the UE；The network area according to locating for user equipment (UE) control plane CP is
If the UE selection PDN connection includes: that the UE is moved to second network area, the CP is according to second network
Region is the UE selection target PDN connection, and the target PDN is connected as the PDN not set up connection.
In other possible implementations, the instruction information carries the corresponding access of the target PDN connection
The information of the target PDN connection can be established by putting title APN and being used to indicate the UE, at this point, target PDN connection is not built
It is vertical.
Wherein, being used to indicate the UE and capable of establishing the information of the target PDN connection can be preferred PDN
Connection<new>indicates information, and the effect of preferred PDN connection<new>is: being used to indicate UE can be with
A new PDN connection more preferably than existing PDN connection is established, but UE is not required to initiate new PDN connection immediately
It establishes.
In other possible implementations, the method also includes: if the target PDN connection has been established, explanation
It does not need to resettle PDN connection at this time, then the CP control UE passes through the target PDN connection carry out business transmission.
In other possible implementations, the network area according to locating for user equipment (UE) control plane CP is institute
It include: when the UE is mobile from the first network region before stating UE selection target PDN connection, UE is possible to be moved to it
His network area, at this point, the CP judges whether the UE is moved to third network area, the third network area is
Established the network area of PDN connection associated with the UE；Control plane CP network according to locating for user equipment (UE)
If region is that select PDN connection include: that the UE is moved to the third network area to the UE, the CP is according to described the
Three network areas are the UE selection target PDN connection, and the target PDN is connected as established in the third network area
A PDN connection in PDN connection.
In other possible implementations, the instruction information carries the corresponding access of the target PDN connection
It puts title APN and is used to indicate the target PDN and be connected as the mark with the PDN connection of highest priority, at this point, target
PDN connection is it has been established that and be the PDN connection with highest priority.
Wherein, it is used to indicate the target PDN and is connected as that there is the mark of the PDN connection of highest priority can be
Preferred PDN connection<PDN connection id>, the effect of mark is: more when existing for an APN
When a corresponding PDN connection, it is indicated to which PDN connection UE should preferably select.
Second aspect of the present invention provides a kind of method that the connection of packet data network PDN is established, this method comprises: user sets
Standby UE receives the instruction information that control plane CP is sent, and the instruction information is used to indicate the UE and is carried out by target PDN connection
Business transmission, it is that the UE connects from available PDN that the target PDN, which is connected as the network area according to locating for the UE the CP,
Connect a PDN connection of middle selection；Target PDN connection can be established multiple PDN connections in network area locating for UE
In a PDN connection, a PDN connection to be created in network area locating for target PDN connection or UE；If institute
It states target PDN connection not setting up, then when the UE will carry out business transmission, the UE is according to the instruction information to institute
It states CP and sends request for establishing the target PDN connection, so that the CP establishes the mesh according to the request received
Mark PDN connection.
Unlike the prior art, target PDN is only just established when there is business demand, it is possible thereby to solve because establishing but
The waste problem of resource caused by the PDN connection being not used.Meanwhile being connected by selection target PDN in network area locating for UE
It connects, to solve the problems, such as how to select PDN connection carry out business transmission.
In some possible implementations, the UE sends according to the instruction information to the CP described for establishing
It include: the mark that the UE receives the target PDN connection that the CP is returned after the request of target PDN connection, and by institute
State target PDN connection and be set as the PDN connection with highest priority, the target PDN connection be identified as the CP according to
After the target PDN connection is established in the request received, for the mark of target PDN connection distribution.
In other possible implementations, the method also includes: if the target PDN connection has been established, institute
It states UE and passes through the target PDN connection carry out business transmission.
Third aspect present invention provides a kind of control plane CP, comprising:
Selecting module is the UE selection target PDN connection for the network area according to locating for user equipment (UE),
In, UE has one or more available PDN connections, what be connected as in available PDN connection one of target PDN preferentially used
PDN connection, target PDN connection may have been set up, it is also possible to also be not set up；
Sending module, for sending instruction information to the UE, the instruction information is used to indicate the UE described in
Target PDN connection carry out business transmission；
Receiving module, if not set up for the target PDN connection, when the UE will carry out business transmission,
When that is to say that UE has business demand, receives the UE and be used to establish the target PDN connection according to what the instruction information was sent
Request；
Module is established, for establishing the target PDN according to the request received.
Unlike the prior art, target PDN is only just established when there is business demand, it is possible thereby to solve because establishing but
The waste problem of resource caused by the PDN connection being not used.Meanwhile being connected by selection target PDN in network area locating for UE
It connects, to solve the problems, such as how to select PDN connection carry out business transmission.
In some possible implementations, the CP further include:
First judgment module, for when the UE is mobile from first network, UE to be possible to be moved to other network areas
Domain, at this point, judging whether the UE is moved to the second network area, second network area is not set up and the UE phase
The network area of associated PDN connection；
The selecting module, if being moved to second network area specifically for the UE, according to second net
Network region is the UE selection target PDN connection, and the target PDN is connected as the PDN not set up connection.
In other possible implementations, the instruction information carries the corresponding access of the target PDN connection
The information of the target PDN connection can be established by putting title APN and being used to indicate the UE, at this point, target PDN connection is not built
It is vertical.
Wherein, being used to indicate the UE and capable of establishing the information of the target PDN connection can be preferred PDN
Connection<new>indicates information, and the effect of preferred PDN connection<new>is: being used to indicate UE can be with
A new PDN connection more preferably than existing PDN connection is established, but UE is not required to initiate new PDN connection immediately
It establishes.
In other possible implementations, the CP further include:
Control module illustrates not needing to resettle PDN connection at this time if having been established for the target PDN connection, then when
When the UE will carry out business transmission, controls the UE and pass through the target PDN connection carry out business transmission.
In other possible implementations, the CP further include:
Second judgment module, for when the UE is mobile from the first network region, UE to be possible to be moved to other
Network area, at this point, judge whether the UE is moved to third network area, the third network area be had been established with
The network area of the associated PDN connection of UE；
The selecting module, if being moved to the third network area specifically for the UE, according to the third net
Network region is the UE selection target PDN connection, and the target PDN is connected as established PDN in the third network area
A PDN connection in connection.
In other possible implementations, the instruction information carries the corresponding access of the target PDN connection
It puts title APN and is used to indicate the target PDN and be connected as the mark with the PDN connection of highest priority, at this point, target
PDN connection is it has been established that and be the PDN connection with highest priority.
Wherein, it is used to indicate the target PDN and is connected as that there is the mark of the PDN connection of highest priority can be
Preferred PDN connection<PDN connection id>, the effect of mark is: more when existing for an APN
When a corresponding PDN connection, it is indicated to which PDN connection UE should preferably select.
Fourth aspect present invention provides a kind of user equipment (UE), comprising:
First receiving module, for receiving the instruction information of control plane CP transmission, the instruction information is used to indicate described
UE is connected as the network area according to locating for the UE the CP by target PDN connection carry out business transmission, the target PDN
The PDN connection selected from available PDN connection for the UE；Target PDN connection can be network area locating for UE
In a PDN connection in established multiple PDN connections, in network area locating for target PDN connection or UE to
A newly-built PDN connection；
Sending module, if not set up for the target PDN connection, when the UE will carry out business transmission,
The request for establishing the target PDN connection is sent to the CP according to the instruction information, so that the CP is according to reception
To request establish the target PDN connection.
Unlike the prior art, target PDN is only just established when there is business demand, it is possible thereby to solve because establishing but
The waste problem of resource caused by the PDN connection being not used.Meanwhile being connected by selection target PDN in network area locating for UE
It connects, to solve the problems, such as how to select PDN connection carry out business transmission.
In some possible implementations, the UE further include:
Second receiving module, for receiving the mark for the target PDN connection that the CP is returned；
Processing module, the PDN connection for setting the target PDN connection to there is highest priority；
Wherein, the CP that is identified as of the target PDN connection establishes the target PDN connection according to the request received
It afterwards, is the mark of target PDN connection distribution.
In other possible implementations, the UE further include:
Transmission module passes through the target PDN connection carry out business biography if having been established for the target PDN connection
It is defeated.
As can be seen from the above technical solutions, the embodiment of the present invention has the advantage that the only ability when there is business demand
Target PDN is established, it is possible thereby to solve the problems, such as because establishing the waste of resource caused by the PDN connection being but not used.Meanwhile
By network area selection target PDN connection locating for UE, asking for PDN connection carry out business transmission how is selected to solve
Topic.
Detailed description of the invention
Fig. 1 is the network architecture schematic diagram of CU provided in an embodiment of the present invention separation；
Fig. 2 is method one embodiment schematic diagram that the connection of packet data of embodiment of the present invention network PDN is established；
Fig. 3 be UE of the embodiment of the present invention by first network region be moved to during the second network area between CP and UE into
The schematic diagram of row information interaction；
Fig. 4 be UE of the embodiment of the present invention by first network region be moved to during third network area between CP and UE into
The schematic diagram of row information interaction；
Fig. 5 is PDN of embodiment of the present invention establishment of connection process schematic；
Fig. 6 is one embodiment schematic diagram of control plane of embodiment of the present invention CP；
Fig. 7 is another embodiment schematic diagram of control plane of embodiment of the present invention CP；
Fig. 8 is another embodiment schematic diagram of control plane of embodiment of the present invention CP；
Fig. 9 is another embodiment schematic diagram of control plane of embodiment of the present invention CP；
Figure 10 is one embodiment schematic diagram of user equipment (UE) of the embodiment of the present invention；
Figure 11 is another embodiment schematic diagram of user equipment (UE) of the embodiment of the present invention；
Figure 12 is another embodiment schematic diagram of user equipment (UE) of the embodiment of the present invention；
Figure 13 is another embodiment schematic diagram of user equipment (UE) of the embodiment of the present invention.
Specific embodiment
The embodiment of the invention provides method, control plane CP and user equipment (UE) that the connection of packet data network PDN is established, energy
It enough solves the problems, such as because establishing the waste of resource caused by the PDN connection being but not used, and solve and how PDN to be selected to connect
The problem of tapping into industry business transmission.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those skilled in the art's every other implementation obtained without creative efforts
Example, shall fall within the protection scope of the present invention.
Description and claims of this specification and term " first ", " second ", " third ", " in above-mentioned attached drawing
The (if present)s such as four " are to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should manage
The data that solution uses in this way are interchangeable under appropriate circumstances, so that the embodiments described herein can be in addition to illustrating herein
Or the sequence other than the content of description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that
Cover it is non-exclusive include, for example, containing the process, method, system, product or equipment of a series of steps or units need not limit
In step or unit those of is clearly listed, but may include be not clearly listed or for these process, methods, produce
The other step or units of product or equipment inherently.
Present invention is mainly applied in the network architecture of CU separation, a kind of network architecture schematic diagram of common CU separation can
With referring to Fig. 1, CP is disposed using centralized system in Fig. 1, UP is using distributed way deployment.CP is network-based control node, is born
The relevant function of network-control is blamed, for example, mobile management control and conversation management control etc.；UP is the user face of network,
It is responsible for the processing of user data, for example, being responsible for the forwarding of user data, as IP address anchor point.Access net (full name in English:
Access Network, english abbreviation: AN) it is responsible for the access of UE, DN is data network.
The method established combined with specific embodiments below to packet data network PDN of the present invention connection is described, and please refers to
Fig. 2, method one embodiment that the connection of packet data network PDN is established in the embodiment of the present invention include:
101, the network area according to locating for user equipment (UE) control plane CP is UE selection target PDN connection；
In the present embodiment, when UE has multiple available PDN connections, target PDN is connected as one in multiple PDN connections
It is arranged to the PDN preferentially used connection, when UE only has an available PDN connection, it is available that target PDN is connected as this
PDN connection.Target PDN connection may have been set up, it is also possible to also be not set up, be not construed as limiting herein.
It should be noted that multiple UP in network area can access PDN corresponding to an APN, due to each
UP has the network area that itself is serviced, so CP can select UP according to the network area locating for UE, and then true by UP
Determine PDN connection.
102, CP sends instruction information to UE, which is used to indicate UE and passes through target PDN connection carry out business biography
It is defeated；
In the present embodiment, after the network area according to locating for UE CP is UE selection target PDN connection, CP is sent to UE
Indicate that information, the instruction information are used to indicate UE and pass through target PDN connection carry out business transmission.
If 103, target PDN connection is not set up, when UE will carry out business transmission, UE is sent according to instruction information to CP
For establishing the request of target PDN connection；
In the present embodiment, UE will carry out business transmission can be with specifically: UE, which will carry out new business transmission or UE, to carry out
The old network side that do not need provides the business transmission that business continuance is supported.
Since target PDN connection is not set up, and UE is needed through target PDN connection carry out business transmission, so UE is to CP
Send the request for establishing target PDN connection.
104, CP establishes target PDN according to the request received.
In the present embodiment, after CP establishes target PDN connection according to the request received, UE can be connected by target PDN
Carry out business transmission.
In the present embodiment, target PDN is only just established when there is business demand, it is possible thereby to solve because establish but not by
The waste problem of resource caused by the PDN connection used.Meanwhile by network area selection target PDN connection locating for UE, from
And solve the problems, such as how to select PDN connection carry out business transmission.
On the basis of above-mentioned Fig. 2 corresponding embodiment, the side of packet data network PDN connection foundation in the embodiment of the present invention
In first alternative embodiment of method, the network area according to locating for user equipment (UE) control plane CP is UE selection target PDN
Include: before connection
When UE is mobile from first network region, CP judges whether UE is moved to the second network area, the second network area
For the network area for not setting up PDN connection associated with UE；
The network area according to locating for user equipment (UE) control plane CP is that UE selection target PDN connection includes:
If UE is moved to the second network area, CP is UE selection target PDN connection, target according to the second network area
PDN is connected as the PDN not set up connection.
Further, which carries the corresponding access point name APN of target PDN connection and is used to indicate UE
The information of target PDN connection can be established.
First alternative embodiment of method that above-mentioned packet data network PDN connection is established in order to facilitate understanding, below by
One specific example is illustrated, referring to Fig. 3, Fig. 3 is that UE is moved to during the second network area by first network region
The schematic diagram of information exchange is carried out between CP and UE.
Fig. 3 includes 5 steps, wherein step 1:CP has been that UE is established and is connected to APN's in first network region
PDN connection, corresponding user face are UP-O, further include other users face, such as UP-N, UP-N-O in Fig. 3.Step 2:UE is from
It moves one network area.Step 3: after UE is moved, CP judges whether UE is moved to the second network area, wherein the
Two network areas are the network area for not setting up PDN connection associated with UE, if being moved to the second network area, CP is true
Surely it needs the APN connected by UE to establish one new UP of selection and establishes new PDN connection (i.e. target PDN connection).Due to
Each UP has the network area that itself is serviced, so CP can be that UE selects new UP according to the second network area, in turn
Determine new PDN connection.Step 4, CP notice UE can establish a new PDN using new UP in the second network area and connect
It connects.Entrained information includes: the corresponding APN of PDN connection in notice, and PDN connection indicates, PDN connection instruction can be
Preferred PDN connection<new>instruction, the wherein effect of PDN connection instruction is: being used to indicate UE can establish
One new PDN connection more preferably than existing PDN connection, but UE is not required to initiate new PDN establishment of connection immediately.
Step 5, UE save the notification information received in step 4.
On the basis of above-mentioned Fig. 2 corresponding embodiment, the side of packet data network PDN connection foundation in the embodiment of the present invention
In second alternative embodiment of method, if target PDN connection has been established, CP controls UE and passes through target PDN connection carry out business biography
It is defeated.
Further, the network area according to locating for user equipment (UE) control plane CP is UE selection target PDN connection
Include: before
When UE is mobile from first network region, CP judges whether UE is moved to third network area, third network area
For the network area that PDN connection associated with UE had been established；
The network area according to locating for user equipment (UE) control plane CP is that UE selection target PDN connection includes:
If UE is moved to third network area, CP is UE selection target PDN connection, target according to third network area
PDN is connected as a PDN in third network area in established PDN connection；Connection.
Further, which carries the corresponding access point name APN of target PDN connection and is used to indicate mesh
Mark PDN is connected as the mark of the PDN connection of highest priority.
Second alternative embodiment of method that above-mentioned packet data network PDN connection is established in order to facilitate understanding, below by
One specific example is illustrated, referring to Fig. 4, Fig. 4 is that UE is moved to during third network area by first network region
The schematic diagram of information exchange is carried out between CP and UE.
Fig. 4 includes 5 steps, wherein step 1:CP has been that UE is established and is connected to APN's in third network area
PDN connection, corresponding user face are UP-O, further include other users face, such as UP-N, UP-N-O in Fig. 4.Step 2:UE is from
It moves one network area.Step 3: after UE is moved, CP judges whether UE is moved to third network area, if mobile
To third network area, since CP has been that UE is established and is connected to the PDN connection of APN in third network area, so CP is not
A PDN connection can be created to UE again, but the PDN connection in the third network area having built up is indicated to UE.Step
4:CP is by the PDN connection notice in third network area to UE, and entrained parameter includes: in third network area in notice
The corresponding APN of PDN connection and mark, mark can be preferred PDN connection < PDN connection
Id >, the effect of mark is: being indicated to which UE should preferably select when there are multiple corresponding PDN connections for an APN
A PDN connection.Step 5:UE saves the notification information received in step 4, only saves a mark for an APN, UE,
If having saved a mark before UE, when UE saves new mark again, new mark can replace the previously stored mark of UE
Know.
On the basis of above-mentioned Fig. 2 corresponding embodiment, the side of packet data network PDN connection foundation in the embodiment of the present invention
In method third alternative embodiment, the UE is sent to CP for establishing after the request of target PDN connection according to instruction information
Include:
UE receives the mark for the target PDN connection that CP is returned, and sets having highest priority for target PDN connection
PDN connection, being identified as after CP establishes target PDN connection according to the request received for target PDN connection, is target PDN connection
The mark of distribution.
The method third alternative embodiment that above-mentioned packet data network PDN connection is established in order to facilitate understanding, below by
One specific example is illustrated, on the basis of above-mentioned Fig. 3 and Fig. 4, referring to Fig. 5, Fig. 5 is PDN establishment of connection process
Schematic diagram.
Fig. 5 includes 11 steps, wherein step 1:CP has been that UE is established and is connected to APN's in some network area
PDN connection, corresponding user face are UP-O, further include other users face, such as UP-N, UP-N-O in Fig. 5.Step 2: when UE exists
Current network area will start new business transmission or old business transmission does not need network side and provides business continuance branch
When holding, UE judges whether to need to establish new PDN connection, if desired, then by new business or old does not need network
The business that side provides business continuance support, which is placed on new PDN, to be transmitted.Step 3: if UE saves the connection of the PDN in Fig. 3
Instruction, i.e. preferred PDN connection<new>instruction then illustrate that UE can be established newly in current network area
PDN connection.Step 4:UE sends the request message for establishing new PDN connection to CP, carries new PDN in request message
The instruction information that the APN information of connection and new PDN are established.After step 5:CP receives request message, according to request message
Judge whether to need to be UE one UP of selection in current network area and establish new PDN connection, if desired, then follow the steps 6.
Step 6: establishing new PDN connection.Step 7: after the completion of new PDN connection is established, CP sends new PDN connection and establish to UE to be rung
Message is answered, which includes the marks that CP is the new PDN connection distribution.Step 8: after the completion of new PDN connection is established, UE makes
Carried out data transmission with new PDN connection.Step 9:UE saves the mark that CP return is new PDN connection distribution, and will be new
PDN connection be set as the PDN connection of highest priority.Step 10: if some that UE is saved in the deterministic process of step 2
The mark (mark in Fig. 4 step 4) of PDN connection does not need then to establish new PDN connection in current network area.Step 11:
Carried out data transmission using the PDN connection of preservation.
Referring to Fig. 6, one embodiment of control plane CP includes: in the embodiment of the present invention
Selecting module 201 is the UE selection target PDN connection for the network area according to locating for user equipment (UE),
The target PDN is connected as a PDN connection in available PDN connection；
Sending module 202, for sending instruction information to the UE, the instruction information is used to indicate the UE and passes through institute
State target PDN connection carry out business transmission；
Receiving module 203, if not set up for the target PDN connection, when the UE will carry out the business transmission
When, receive the request for being used to establish the target PDN connection that the UE is sent according to the instruction information；
Module 204 is established, for establishing the target PDN according to the request received.
Optionally, referring to Fig. 7, in some embodiments of the invention, the CP further include:
First judgment module 301, for judging whether the UE is moved to second when the UE is mobile from first network
Network area, second network area are the network area for not setting up PDN connection associated with the UE；
The selecting module 201, if second network area is moved to specifically for the UE, according to described second
Network area is the UE selection target PDN connection, and the target PDN is connected as the PDN not set up connection.
Optionally, referring to Fig. 8, in some embodiments of the invention, the CP further include: control module 401 is used for
If the target PDN connection has been established, controls the UE and pass through the target PDN connection carry out business transmission.
Further, the CP further include: the second judgment module 402, for working as the UE from the first network region
When mobile, judge whether the UE is moved to third network area, the third network area is to have been established and the UE phase
The network area of associated PDN connection；
The selecting module 201, if the third network area is moved to specifically for the UE, according to the third
Network area is the UE selection target PDN connection, and the target PDN is connected as established in the third network area
A PDN connection in PDN connection.
It should be noted that the explanation of movement performed by above-mentioned each module may refer to preceding method embodiment, herein
It repeats no more.
The CP in the embodiment of the present invention is described from the angle of modular functionality entity above, below from hardware
The CP in the embodiment of the present invention is described in the angle of reason, referring to Fig. 9, the CP in the embodiment of the present invention includes: processor
501, transmitter 502 and receiver 503.
The present embodiments relate to CP can have than more or fewer components illustrated in fig. 9, two can be combined
A or more component, or can have different components and configure or set up, all parts can include one or more
The combination of hardware, software or hardware and software including signal processing and/or specific integrated circuit is realized.
The processor 501 is for performing the following operations:
The network area according to locating for user equipment (UE) is the UE selection target PDN connection, and the target PDN is connected as
A PDN connection in available PDN connection.
The transmitter 502 is for performing the following operations:
To the UE send instruction information, the instruction information be used to indicate the UE by the target PDN connect into
Industry business transmission.
The receiver 503 is for performing the following operations:
If the target PDN connection is not set up, when the UE will carry out the business transmission when, receive the UE according to
The request for being used to establish the target PDN connection that the instruction information is sent.
The processor 501 is also used to perform the following operations:
The target PDN is established according to the request received.
Optionally, the processor 501 is also used to perform the following operations: when the UE is mobile from first network, judgement
Whether the UE is moved to the second network area, and second network area is not set up PDN associated with the UE to connect
The network area connect；It is UE choosing according to second network area if the UE is moved to second network area
Target PDN connection is selected, the target PDN is connected as the PDN not set up connection.
Optionally, the processor 501 is also used to perform the following operations: if the target PDN connection has been established, controlling
The UE passes through the target PDN connection carry out business transmission.
Optionally, the processor 501 is also used to perform the following operations: when the UE is mobile from the first network region
When, judge whether the UE is moved to third network area, the third network area is associated with the UE to have been established
PDN connection network area；It is institute according to the third network area if the UE is moved to the third network area
The PDN connection of UE selection target is stated, the target PDN is connected as one in established PDN connection in the third network area
A PDN connection.
It should be noted that the explanation of movement performed by above-mentioned each hardware may refer to preceding method embodiment, herein
It repeats no more.
Referring to Fig. 10, one embodiment of user equipment (UE) includes: in the embodiment of the present invention
First receiving module 601, for receiving the instruction information of control plane CP transmission, the instruction information is used to indicate institute
UE is stated by target PDN connection carry out business transmission, the target PDN is connected as the network area according to locating for the UE the CP
Domain is the PDN connection that the UE is selected from available PDN connection；
Sending module 602, if not set up for the target PDN connection, when the UE will carry out the business transmission
When, the request for establishing the target PDN connection is sent to the CP according to the instruction information, so that the CP is according to connecing
The target PDN connection is established in the request received.
Optionally, Figure 11 is please referred to, in some embodiments of the invention, the UE further include:
Second receiving module 701, for receiving the mark for the target PDN connection that the CP is returned；
Processing module 702, the PDN connection for setting the target PDN connection to there is highest priority；
Wherein, the CP that is identified as of the target PDN connection establishes the target PDN connection according to the request received
It afterwards, is the mark of target PDN connection distribution.
Optionally, Figure 12 is please referred to, in some embodiments of the invention, the UE further include:
Transmission module 801 passes through the target PDN connection carry out business if having been established for the target PDN connection
Transmission.
It should be noted that the explanation of movement performed by above-mentioned each module may refer to preceding method embodiment, herein
It repeats no more.
The UE in the embodiment of the present invention is described from the angle of modular functionality entity above, below from hardware
The UE in the embodiment of the present invention is described in the angle of reason, please refers to Figure 13, and the UE in the embodiment of the present invention includes: receiver
901 and transmitter 902.
The present embodiments relate to UE can have than more or fewer components illustrated in fig. 13, two can be combined
A or more component, or can have different components and configure or set up, all parts can include one or more
The combination of hardware, software or hardware and software including signal processing and/or specific integrated circuit is realized.
The receiver 901 is used to perform the following operations: receiving the instruction information that control plane CP is sent, the instruction information
The UE is used to indicate by target PDN connection carry out business transmission, the target PDN is connected as the CP according to the UE institute
The network area at place is the PDN connection that the UE is selected from available PDN connection.
The transmitter 902 is for performing the following operations: if the target PDN connection is not set up, when the UE will be into
When row business transmission, the request for establishing the target PDN connection is sent to the CP according to the instruction information, with
Toilet states CP and establishes the target PDN connection according to the request received.
Optionally, the receiver 901 is also used to perform the following operations: receiving the target PDN that the CP is returned and connects
The mark connect；
The UE further includes processor, and the processor is for performing the following operations: setting the target PDN connection to
PDN connection with highest priority；Wherein, the CP that is identified as of the target PDN connection is built according to the request received
After standing the target PDN connection, for the mark of target PDN connection distribution.
Optionally, the processor is for performing the following operations: if the target PDN connection has been established, by described
Target PDN connection carry out business transmission.
It should be noted that the explanation of movement performed by above-mentioned each hardware may refer to preceding method embodiment, herein
It repeats no more.
It is apparent to those skilled in the art that for convenience and simplicity of description, the device of foregoing description
It with the specific work process of module, can refer to corresponding processes in the foregoing method embodiment, details are not described herein.
In several embodiments provided herein, it should be understood that revealed device and method can pass through it
Its mode is realized.For example, the apparatus embodiments described above are merely exemplary, for example, the division of the module, only
Only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple module or components can be tied
Another system is closed or is desirably integrated into, or some features can be ignored or not executed.Another point, it is shown or discussed
Mutual coupling, direct-coupling or communication connection can be through some interfaces, the INDIRECT COUPLING or logical of device or unit
Letter connection can be electrical property, mechanical or other forms.
The module as illustrated by the separation member may or may not be physically separated, aobvious as module
The component shown may or may not be physical module, it can and it is in one place, or may be distributed over multiple
On network module.Some or all of the modules therein can be selected to realize the mesh of this embodiment scheme according to the actual needs
's.
It, can also be in addition, each functional module in each embodiment of the present invention can integrate in a processing module
It is that modules physically exist alone, can also be integrated in two or more modules in a module.Above-mentioned integrated mould
Block both can take the form of hardware realization, can also be realized in the form of software function module.
If the integrated module is realized in the form of software function module and sells or use as independent product
When, it can store in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially
The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words
It embodies, which is stored in a storage medium, including some instructions are used so that a computer
Equipment (can be personal computer, server or the network equipment etc.) executes the complete of each embodiment the method for the present invention
Portion or part steps.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic or disk etc. are various can store journey
The medium of sequence code.
The above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although referring to before
Stating embodiment, invention is explained in detail, those skilled in the art should understand that: it still can be to preceding
Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features；And these
It modifies or replaces, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (18)
1. a kind of method that the connection of packet data network PDN is established characterized by comprising
The network area according to locating for user equipment (UE) control plane CP is the UE selection target PDN connection, and the target PDN connects
A PDN connection being connected in available PDN connection；
The CP sends instruction information to the UE, and the instruction information is used to indicate the UE and passes through the target PDN connection
Carry out business transmission；
If the target PDN connection is not set up, when the UE will carry out business transmission, the CP receives the UE root
The request for being used to establish the target PDN connection sent according to the instruction information；
The CP establishes the target PDN according to the request received.
2. the method according to claim 1, wherein control plane CP network according to locating for user equipment (UE)
Region includes: before being the UE selection target PDN connection
When the UE is mobile from first network region, the CP judges whether the UE is moved to the second network area, described
Second network area is the network area for not setting up PDN connection associated with the UE；
The network area according to locating for user equipment (UE) control plane CP is that the UE selection target PDN connection includes:
If the UE is moved to second network area, the CP is that the UE selects mesh according to second network area
PDN connection is marked, the target PDN is connected as the PDN not set up connection.
3. according to the method described in claim 2, it is characterized in that, the instruction information carries the target PDN connection pair
It the access point name APN that answers and is used to indicate the UE and can establish the information of the target PDN connection.
4. the method according to claim 1, wherein the method also includes:
If the target PDN connection has been established, the CP controls the UE and passes through the target PDN connection carry out business biography
It is defeated.
5. according to the method described in claim 4, it is characterized in that, control plane CP network according to locating for user equipment (UE)
Region includes: before being the UE selection target PDN connection
When the UE is mobile from first network region, the CP judges whether the UE is moved to third network area, described
Third network area is the network area that PDN connection associated with the UE had been established；
The network area according to locating for user equipment (UE) control plane CP is that the UE selection target PDN connection includes:
If the UE is moved to the third network area, the CP is that the UE selects mesh according to the third network area
PDN connection is marked, the target PDN is connected as in the third network area PDN connection in established PDN connection.
6. according to the method described in claim 5, it is characterized in that, the instruction information carries the target PDN connection pair
It the access point name APN that answers and is used to indicate the target PDN and is connected as the mark with the PDN connection of highest priority.
7. a kind of method that the connection of packet data network PDN is established characterized by comprising
User equipment (UE) receives the instruction information that control plane CP is sent, and the instruction information is used to indicate the UE and passes through target
PDN connection carry out business transmission, the target PDN be connected as the network area according to locating for the UE the CP be the UE from
The PDN connection selected in available PDN connection；
If the target PDN connection is not set up, when the UE will carry out business transmission, the UE is according to the instruction
Information sends the request for establishing the target PDN connection to the CP, so that the CP is built according to the request received
Stand the target PDN connection.
8. being used the method according to the description of claim 7 is characterized in that the UE is sent according to the instruction information to the CP
Include: after the request for establishing the target PDN connection
The UE receives the mark for the target PDN connection that the CP is returned, and the target PDN connection is set as having
The CP that is identified as of the PDN connection of highest priority, the target PDN connection establishes the target according to the request received
After PDN connection, for the mark of target PDN connection distribution.
9. the method according to the description of claim 7 is characterized in that the method also includes:
If the target PDN connection has been established, the UE passes through the target PDN connection carry out business transmission.
10. a kind of control plane CP characterized by comprising
Selecting module is the UE selection target PDN connection, the target for the network area according to locating for user equipment (UE)
PDN is connected as a PDN connection in available PDN connection；
Sending module, for sending instruction information to the UE, the instruction information is used to indicate the UE and passes through the target
PDN connection carry out business transmission；
Receiving module, when the UE will carry out business transmission, receives if not setting up for the target PDN connection
The request for being used to establish the target PDN connection that the UE is sent according to the instruction information；
Module is established, for establishing the target PDN according to the request received.
11. CP according to claim 10, which is characterized in that the CP further include:
First judgment module, for judging whether the UE is moved to the second network area when the UE is mobile from first network
Domain, second network area are the network area for not setting up PDN connection associated with the UE；
The selecting module, if being moved to second network area specifically for the UE, according to second network area
Domain is the UE selection target PDN connection, and the target PDN is connected as the PDN not set up connection.
12. CP according to claim 11, which is characterized in that the instruction information carries the target PDN connection pair
It the access point name APN that answers and is used to indicate the UE and can establish the information of the target PDN connection.
13. CP according to claim 10, which is characterized in that the CP further include:
Control module controls the UE and is carried out by the target PDN connection if having been established for the target PDN connection
Business transmission.
14. CP according to claim 13, which is characterized in that the CP further include:
Second judgment module, for judging whether the UE is moved to third net when the UE is mobile from first network region
Network region, the third network area are the network area that PDN connection associated with the UE had been established；
The selecting module, if being moved to the third network area specifically for the UE, according to the third network area
Domain is the UE selection target PDN connection, and the target PDN is connected as established PDN connection in the third network area
In a PDN connection.
15. CP according to claim 14, which is characterized in that the instruction information carries the target PDN connection pair
It the access point name APN that answers and is used to indicate the target PDN and is connected as the mark with the PDN connection of highest priority.
16. a kind of user equipment (UE) characterized by comprising
First receiving module, for receiving the instruction information of control plane CP transmission, it is logical that the instruction information is used to indicate the UE
Target PDN connection carry out business transmission is crossed, the target PDN is connected as the network area according to locating for the UE the CP as institute
State the PDN connection that UE is selected from available PDN connection；
Sending module, if not set up for the target PDN connection, when the UE will carry out business transmission, according to
The instruction information sends the request for establishing the target PDN connection to the CP, so that the CP is according to receiving
The target PDN connection is established in request.
17. UE according to claim 16, which is characterized in that the UE further include:
Second receiving module, for receiving the mark for the target PDN connection that the CP is returned；
Processing module, the PDN connection for setting the target PDN connection to there is highest priority；
Wherein, the target PDN connection is identified as after the CP establishes the target PDN connection according to the request received,
For the mark of target PDN connection distribution.
18. UE according to claim 16, which is characterized in that the UE further include:
Transmission module passes through the target PDN connection carry out business transmission if having been established for the target PDN connection.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610646668.2A CN106255161B (en) | 2016-08-09 | 2016-08-09 | Method, control plane CP and the user equipment (UE) that the connection of packet data network PDN is established |
| PCT/CN2017/094470 WO2018028431A1 (en) | 2016-08-09 | 2017-07-26 | Method for establishing packet data network (pdn) connection, control plane (cp) and user equipment (ue) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610646668.2A CN106255161B (en) | 2016-08-09 | 2016-08-09 | Method, control plane CP and the user equipment (UE) that the connection of packet data network PDN is established |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106255161A CN106255161A (en) | 2016-12-21 |
| CN106255161B true CN106255161B (en) | 2019-10-25 |
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| CN201610646668.2A Expired - Fee Related CN106255161B (en) | 2016-08-09 | 2016-08-09 | Method, control plane CP and the user equipment (UE) that the connection of packet data network PDN is established |
Country Status (2)
| Country | Link |
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| CN (1) | CN106255161B (en) |
| WO (1) | WO2018028431A1 (en) |
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| CN106255161B (en) * | 2016-08-09 | 2019-10-25 | 上海华为技术有限公司 | Method, control plane CP and the user equipment (UE) that the connection of packet data network PDN is established |
| CN110996359B (en) * | 2019-12-10 | 2022-07-22 | RealMe重庆移动通信有限公司 | Network control method, terminal and storage medium |
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| JP2012004917A (en) * | 2010-06-17 | 2012-01-05 | Ntt Docomo Inc | Packet exchange station, serving gateway apparatus and pdn connection change method |
| CN106255161B (en) * | 2016-08-09 | 2019-10-25 | 上海华为技术有限公司 | Method, control plane CP and the user equipment (UE) that the connection of packet data network PDN is established |
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- 2016-08-09 CN CN201610646668.2A patent/CN106255161B/en not_active Expired - Fee Related
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| CN101631354A (en) * | 2008-07-18 | 2010-01-20 | 华为技术有限公司 | Method, device and system for selecting packet data network |
| CN102045804A (en) * | 2009-10-20 | 2011-05-04 | 中兴通讯股份有限公司 | Method and system for realizing switching prospective registration |
| US8929335B2 (en) * | 2011-04-29 | 2015-01-06 | Telefonaktiebolaget L M Ericsson (Publ) | Mobile terminated call improvements |
| CN102780999A (en) * | 2011-05-11 | 2012-11-14 | 华为技术有限公司 | Service communication method, service communication device and service communication system |
| CN103636283A (en) * | 2012-06-29 | 2014-03-12 | 华为技术有限公司 | Gateway system, device and communication method |
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| Publication number | Publication date |
|---|---|
| WO2018028431A1 (en) | 2018-02-15 |
| CN106255161A (en) | 2016-12-21 |
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