CN106255161A - The method of grouped data network PDN connection establishment, chain of command CP and user equipment (UE) - Google Patents
The method of grouped data network PDN connection establishment, chain of command CP and user equipment (UE) Download PDFInfo
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- CN106255161A CN106255161A CN201610646668.2A CN201610646668A CN106255161A CN 106255161 A CN106255161 A CN 106255161A CN 201610646668 A CN201610646668 A CN 201610646668A CN 106255161 A CN106255161 A CN 106255161A
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- 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
-
- 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
Abstract
The embodiment of the invention discloses the method for grouped data network PDN connection establishment, chain of command CP and user equipment (UE), can solve the problem that because setting up the PDN being but not used to connect the waste problem of the resource caused, and solve the problem how selecting PDN connection to carry out business transmission.The method comprise the steps that chain of command CP is that described UE selects target PDN to connect according to the network area residing for user equipment (UE), a PDN during the PDN that described target PDN is connected as can use connects connects；Described CP sends instruction information to described UE, and described instruction information is used for indicating described UE to be connected by described target PDN and carries out business transmission；Do not set up if described target PDN connects, then, when described UE will carry out the transmission of described business, described CP receives the request for setting up the connection of described target PDN that described UE sends according to described instruction information；Described CP sets up described target PDN according to the request received.
Description
Technical field
The present invention relates to communication technical field, particularly relate to the method for grouped data network PDN connection establishment, chain of command CP and
User equipment (UE).
Background technology
Chain of command user face (English full name: Control plane and User plane, english abbreviation: CU) separate mesh
In network framework, chain of command (English full name: Control Plane, english abbreviation: CP) is network-based control node, is responsible for network control
The function that system is relevant, such as, mobile management control and conversation management control etc.；In separated network framework, user face is (English
Full name: User Plane, english abbreviation: UP) it is the user face nodes of network, it is responsible for the process of user data, such as, is responsible for use
The forwarding of user data, as the Internet protocol (English full name: Internet Protocol, english abbreviation: IP) in user face
Location anchor point, such as: router.In order to provide excellent to subscriber equipment (English full name: User Equipment, english abbreviation: UE)
The user plane path changed, it is proposed that when the network area residing for UE changes, on the premise of not affecting business continuance,
Allow to reselect the scheme of IP address anchor point for UE.
A kind of relevant scheme is as follows: during network design, and it is (English complete that multiple UP can access an APN
Claiming: Access Point Name, english abbreviation: APN) (English is entirely for Packet Data Network corresponding to (assuming herein for APN1)
Claim: Packet Data Network, english abbreviation: PDN).After UE is attached to first network region, to be connected for UE
APN1 selects a UP1, and sets up PDN connection (being assumed to be a PDN to connect)；When UE moves to the second network area, can
Think the UP2 of this one second network area of APN1 reselection of UE, and set up PDN by UP2 and connect and (be assumed to be the 2nd PDN
Connect), simultaneously in order to ensure the seriality of business in a PDN connection, in addition it is also necessary to safeguard that a PDN connects.If UE is by second
Network area moves to the 3rd network area, can be the UP3 of this one the 3rd network area of APN1 reselection of UE, and pass through
UP3 sets up PDN and connects (being assumed to be the 3rd PDN to connect), simultaneously in order to ensure the company of business in a PDN and the 2nd PDN connection
Continuous property, in addition it is also necessary to safeguard that a PDN connects and the 2nd PDN connects.
But, UE is after first network region moves to the second network area, although establishes the 2nd PDN for UE and connects,
But, UE may not use the 2nd PDN connection to carry out business before the second network area moves to the 3rd network area
Transmission, and UE substantially need not after moving to the 3rd network area use the 2nd PDN to connect, and thereby results in network money
The waste in source.It addition, when UE moves back to the second network area from the 3rd network area, and the second network area exists multiple PDN
Connecting, UE does not knows that selecting which PDN to connect carries out business transmission.
Summary of the invention
Embodiments provide the method for grouped data network PDN connection establishment, chain of command CP and user equipment (UE), energy
Enough solve because setting up the PDN being but not used to connect the waste problem of the resource caused, and solve and how to select PDN even
The problem tapping into industry business transmission.
First aspect present invention provides a kind of method of grouped data network PDN connection establishment, and the method includes: chain of command
CP according to the network area residing for user equipment (UE) be described UE select target PDN connect, wherein, UE have one or more can
PDN connect, target PDN is connected as the PDN of a preferential use during the PDN that can use connects and connects, and target PDN connects can
Can have been set up, it is also possible to be also not set up；Described CP sends instruction information to described UE, and described instruction information is used for indicating
Described UE carries out business transmission by the connection of described target PDN；Do not set up if described target PDN connects, then will enter as described UE
During row described business transmission, that is to say when UE has business demand, described CP receives what described UE sent according to described instruction information
For setting up the request that described target PDN connects；Described CP sets up described target PDN according to the request received.
Unlike the prior art, only just setting up target PDN when there being business demand, thus can solving because setting up but
The PDN being not used connects the waste problem of the resource caused.Meanwhile, select target PDN even by the network area residing for UE
Connect, thus solve and how to select PDN to connect the problem carrying out business transmission.
In the implementation that some are possible, described chain of command CP is described according to the network area residing for user equipment (UE)
UE selects target PDN to include before connecting: when described UE moves from first network region, UE likely moves to other net
Network region, now, described CP judges whether described UE moves to the second network area, and described second network area was not for setting up
The network area that the PDN being associated with described UE is connected；Described chain of command CP according to the network area residing for user equipment (UE) is
Described UE selects PDN connection to include: if described UE moves to described second network area, the most described CP is according to described second network
Region is that described UE selects target PDN to connect, and described target PDN is connected as unfounded PDN and connects.
In the implementation that other are possible, described instruction information carries described target PDN and connects corresponding access
Putting title APN and for indicating described UE can set up the information that described target PDN connects, now, target PDN connects does not builds
Vertical.
Wherein, the information for indicating described UE can set up the connection of described target PDN can be preferred PDN
Connection<new>instruction information, preferred PDN connection<new>effect be: be used for indicating UE permissible
Set up one and connect a more excellent new PDN connection than existing PDN, but do not require that UE initiates what new PDN connected immediately
Set up.
In the implementation that other are possible, described method also includes: set up if described target PDN connects, explanation
Now need not resettle PDN connect, the most described CP controls described UE and carries out business transmission by the connection of described target PDN.
In the implementation that other are possible, described chain of command CP is institute according to the network area residing for user equipment (UE)
Stating UE selects target PDN to include before connecting: when described UE moves from described first network region, UE likely moves to it
His network area, now, described CP judges whether described UE moves to the 3rd network area, and described 3rd network area is
Set up the network area that the PDN being associated with described UE is connected；Described chain of command CP is according to the network residing for user equipment (UE)
Region is that described UE selects PDN to connect to include: if described UE moves to described 3rd network area, the most described CP is according to described the
Three network areas are that described UE selects target PDN to connect, and described target PDN is connected as having set up in described 3rd network area
A PDN during PDN connects connects.
In the implementation that other are possible, described instruction information carries described target PDN and connects corresponding access
Put title APN and for indicating described target PDN to be connected as having the mark that the PDN of limit priority connects, now, target
PDN connects it has been established that and be that the PDN with limit priority connects.
Wherein, the mark connected for the PDN indicating described target PDN to be connected as having limit priority can be
Preferred PDN connection<PDN connection id>, the effect of mark is: for an APN, many when existing
When the PDN of individual correspondence connects, it is indicated to which PDN connection UE should preferably select.
Second aspect present invention provides a kind of method of grouped data network PDN connection establishment, and the method includes: Yong Hushe
Standby UE receives the instruction information that chain of command CP sends, and described instruction information is used for indicating described UE to be connected by target PDN and carries out
Business is transmitted, and it is that described UE connects from available PDN that described target PDN is connected as described CP according to the network area residing for described UE
The PDN connecing middle selection connects；Target PDN connects the multiple PDN connection can set up in the network area for UE residing for
In PDN connect, target PDN connects can also treat that a newly-built PDN connects in the network area residing for UE；If institute
State target PDN connect do not set up, then when described UE will carry out described business transmission time, described UE according to described instruction information to institute
State CP and send for setting up the request that described target PDN connects, so that described CP sets up described mesh according to the request received
Mark PDN connects.
Unlike the prior art, only just setting up target PDN when there being business demand, thus can solving because setting up but
The PDN being not used connects the waste problem of the resource caused.Meanwhile, select target PDN even by the network area residing for UE
Connect, thus solve and how to select PDN to connect the problem carrying out business transmission.
In the implementation that some are possible, described UE send to described CP according to described instruction information be used for setting up described
Include after the request that target PDN connects: described UE receives the mark of the described target PDN connection that described CP returns, and by institute
State target PDN connect be set to have limit priority PDN connect, described target PDN connect be designated described CP according to
After the connection of described target PDN is set up in the request received, connect the mark of distribution for described target PDN.
In the implementation that other are possible, described method also includes: set up if described target PDN connects, then institute
State UE and carry out business transmission by the connection of described target PDN.
Third aspect present invention provides a kind of chain of command CP, including:
Selecting module, being used for according to the network area residing for user equipment (UE) is that described UE selects target PDN to connect, its
In, UE has one or more available PDN and connects, and target PDN is connected as a preferential use in the PDN connection that can use
PDN connects, and target PDN connects and may have been set up, it is also possible to be also not set up；
Sending module, for sending instruction information to described UE, described instruction information is used for indicating described UE by described
The connection of target PDN carries out business transmission；
Receiver module, does not sets up if connecting for described target PDN, then when described UE will carry out the transmission of described business,
That is to say when UE has business demand, receive described UE and set up described target PDN according to being used for of sending of described instruction information and connect
Request；
Set up module, for setting up described target PDN according to the request received.
Unlike the prior art, only just setting up target PDN when there being business demand, thus can solving because setting up but
The PDN being not used connects the waste problem of the resource caused.Meanwhile, select target PDN even by the network area residing for UE
Connect, thus solve and how to select PDN to connect the problem carrying out business transmission.
In the implementation that some are possible, described CP also includes:
First judge module, for when described UE moves from first network, UE likely moves to other network area
Territory, now, it is judged that whether described UE moves to the second network area, described second network area was not for setting up and described UE phase
The network area that the PDN of association connects；
Described selection module, if moving to described second network area specifically for described UE, then according to described second net
Network region is that described UE selects target PDN to connect, and described target PDN is connected as unfounded PDN and connects.
In the implementation that other are possible, described instruction information carries described target PDN and connects corresponding access
Putting title APN and for indicating described UE can set up the information that described target PDN connects, now, target PDN connects does not builds
Vertical.
Wherein, the information for indicating described UE can set up the connection of described target PDN can be preferred PDN
Connection<new>instruction information, preferred PDN connection<new>effect be: be used for indicating UE permissible
Set up one and connect a more excellent new PDN connection than existing PDN, but do not require that UE initiates what new PDN connected immediately
Set up.
In the implementation that other are possible, described CP also includes:
Control module, sets up if connecting for described target PDN, illustrate now to need not to resettle PDN connection, then when
When described UE will carry out business transmission, control described UE and carry out business transmission by the connection of described target PDN.
In the implementation that other are possible, described CP also includes:
Second judge module, for when described UE moves from described first network region, UE likely moves to other
Network area, now, it is judged that whether described UE moves to the 3rd network area, described 3rd network area be built stood with
The network area that the PDN that described UE is associated connects；
Described selection module, if moving to described 3rd network area specifically for described UE, then according to described 3rd net
Network region is that described UE selects target PDN to connect, and described target PDN is connected as in described 3rd network area the PDN set up
A PDN in connection connects.
In the implementation that other are possible, described instruction information carries described target PDN and connects corresponding access
Put title APN and for indicating described target PDN to be connected as having the mark that the PDN of limit priority connects, now, target
PDN connects it has been established that and be that the PDN with limit priority connects.
Wherein, the mark connected for the PDN indicating described target PDN to be connected as having limit priority can be
Preferred PDN connection<PDN connection id>, the effect of mark is: for an APN, many when existing
When the PDN of individual correspondence connects, it is indicated to which PDN connection UE should preferably select.
Fourth aspect present invention provides a kind of user equipment (UE), including:
First receiver module, for receiving the instruction information that chain of command CP sends, described instruction information is used for indicating described
UE carries out business transmission by the connection of target PDN, and described target PDN is connected as described CP according to the network area residing for described UE
The PDN selected from available PDN connects for described UE connects；Target PDN connects can network area residing for UE
In multiple PDN of having set up connect in a PDN connect, target PDN connects can also be treated in the network area residing for UE
A newly-built PDN connects；
Sending module, does not sets up if connecting for described target PDN, then when described UE will carry out the transmission of described business,
Send for setting up the request that described target PDN connects to described CP according to described instruction information, in order to described CP is according to reception
To request set up described target PDN connect.
Unlike the prior art, only just setting up target PDN when there being business demand, thus can solving because setting up but
The PDN being not used connects the waste problem of the resource caused.Meanwhile, select target PDN even by the network area residing for UE
Connect, thus solve and how to select PDN to connect the problem carrying out business transmission.
In the implementation that some are possible, described UE also includes:
Second receiver module, the mark that described target PDN returned for receiving described CP connects；
Processing module, connects for the connection of described target PDN is set to have the PDN of limit priority；
Wherein, the described CP that is designated of described target PDN connection sets up the connection of described target PDN according to the request received
After, the mark of distribution is connected for described target PDN.
In the implementation that other are possible, described UE also includes:
Transport module, sets up if connecting for described target PDN, then connected by described target PDN and carry out business biography
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 being business demand
Setting up target PDN, thus can solving because setting up the PDN being but not used to connect the waste problem of the resource caused.Meanwhile,
Select target PDN to connect by the network area residing for UE, thus solve and how to select PDN connection to carry out asking of business transmission
Topic.
Accompanying drawing explanation
The network architecture schematic diagram that the CU that Fig. 1 provides for the embodiment of the present invention separates；
Fig. 2 is one embodiment schematic diagram of method of embodiment of the present invention grouped data network PDN connection establishment；
Fig. 3 is embodiment of the present invention UE to be moved to enter between CP and UE during the second network area by first network region
The schematic diagram that row information is mutual；
Fig. 4 is embodiment of the present invention UE to be moved to enter between CP and UE during the 3rd network area by first network region
The schematic diagram that row information is mutual；
Fig. 5 is embodiment of the present invention PDN establishment of connection process schematic；
Fig. 6 is an embodiment schematic diagram of embodiment of the present invention chain of command CP；
Fig. 7 is another embodiment schematic diagram of embodiment of the present invention chain of command CP；
Fig. 8 is another embodiment schematic diagram of embodiment of the present invention chain of command CP；
Fig. 9 is another embodiment schematic diagram of embodiment of the present invention chain of command CP；
Figure 10 is an embodiment schematic diagram of embodiment of the present invention user equipment (UE)；
Figure 11 is another embodiment schematic diagram of embodiment of the present invention user equipment (UE)；
Figure 12 is another embodiment schematic diagram of embodiment of the present invention user equipment (UE)；
Figure 13 is another embodiment schematic diagram of embodiment of the present invention user equipment (UE).
Detailed description of the invention
Embodiments provide the method for grouped data network PDN connection establishment, chain of command CP and user equipment (UE), energy
Enough solve because setting up the PDN being but not used to connect the waste problem of the resource caused, and solve and how to select PDN even
The problem tapping into industry business transmission.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, the every other enforcement that those skilled in the art are obtained under not making creative work premise
Example, broadly falls into the scope of protection of the invention.
Term " first " in description and claims of this specification and above-mentioned accompanying drawing, " second ", " the 3rd ", "
Four " etc. (if present) is for distinguishing similar object, without being used for describing specific order or precedence.Should manage
Solve the data so used can exchange in the appropriate case, in order to the embodiments described herein can be with except here illustrating
Or the order enforcement beyond the content described.Additionally, term " includes " and " having " and their any deformation, it is intended that
Cover non-exclusive comprising, such as, contain series of steps or the process of unit, method, system, product or equipment need not limit
In those steps clearly listed or unit, but can include the most clearly listing or for these processes, method, product
Product or intrinsic other step of equipment or unit.
Present invention is mainly applied in the network architecture that CU separates, the network architecture schematic diagram that a kind of common CU separates can
To see Fig. 1, in Fig. 1, CP uses centralized system to dispose, and UP uses distributed way to dispose.CP is network-based control node, negative
Duty network controls relevant function, such as, mobile management control and conversation management control etc.；UP is the user face of network,
It is responsible for the process of user data, such as, is responsible for the forwarding of user data, as IP address anchor point.Access network (English full name:
Access Network, english abbreviation: AN) be responsible for UE access, DN is data network.
Below in conjunction with specific embodiment, the method for grouped data network PDN connection establishment of the present invention is described, refers to
Fig. 2, in the embodiment of the present invention, one embodiment of the method for grouped data network PDN connection establishment includes:
101, chain of command CP is that UE selects target PDN to connect according to the network area residing for user equipment (UE)；
In the present embodiment, when UE has multiple available PDN to connect, target PDN is connected as one during multiple PDN connects
The PDN being arranged to preferentially use connects, and when UE only has an available PDN connection, target PDN is connected as what this can use
PDN connects.Target PDN connects and may have been set up, it is also possible to is also not set up, is not construed as limiting herein.
It should be noted that the multiple UP in network area can access the PDN corresponding to an APN, due to each
UP has the network area itself serviced, so CP can select UP according to the network area residing for UE and then true by UP
Determine PDN to connect.
102, CP sends instruction information to UE, and this instruction information is used for indicating UE to pass through the connection of target PDN and carries out business biography
Defeated；
In the present embodiment, after CP is UE selection target PDN connection according to the network area residing for UE, CP sends to UE
Instruction information, this instruction information is used for indicating UE to pass through the connection of target PDN and carries out business transmission.
Do not set up if 103 targets PDN connect, then, when UE will carry out business transmission, UE sends to CP according to instruction information
For setting up the request that target PDN connects；
In the present embodiment, UE by carry out business transmission can be particularly as follows: UE will carry out the transmission of new business, or UE will be carried out
Old need not the business transmission that network side provides business continuance to support.
Do not set up owing to target PDN connects, and UE needs to be connected by target PDN to carry out business transmission, so UE is to CP
Send for setting up the request that target PDN connects.
104, CP sets up target PDN according to the request received.
In the present embodiment, after CP sets up the connection of target PDN according to the request received, UE can be connected by target PDN
Carry out business transmission.
In the present embodiment, only just set up target PDN when there being business demand, thus can solve because set up the most not by
The PDN used connects the waste problem of the resource caused.Meanwhile, target PDN is selected to connect by the network area residing for UE, from
And solve and how to select PDN to connect the problem carrying out business transmission.
On the basis of the embodiment that above-mentioned Fig. 2 is corresponding, the side of grouped data network PDN connection establishment in the embodiment of the present invention
In first alternative embodiment of method, described chain of command CP is that UE selects target PDN according to the network area residing for user equipment (UE)
Include before connection:
When UE moves from first network region, CP judges whether UE moves to the second network area, the second network area
For not setting up the network area that the PDN being associated with UE is connected；
Described chain of command CP is that UE selects the connection of target PDN to include according to the network area residing for user equipment (UE):
If UE moves to the second network area, then CP is that UE selects target PDN to connect according to the second network area, target
PDN is connected as unfounded PDN and connects.
Further, this instruction information carries APN APN corresponding to target PDN connection and for indicating UE
The information that target PDN connects can be set up.
For the ease of understanding first alternative embodiment of method of above-mentioned grouped data network PDN connection establishment, below by
One instantiation illustrates, and referring to Fig. 3, Fig. 3 is during UE is moved to the second network area by first network region
The schematic diagram that information is mutual is carried out between CP and UE.
Fig. 3 includes 5 steps, and wherein, step 1:CP has established for UE in first network region and has been connected to APN's
PDN connects, and corresponding user face is UP-O, also includes other user faces, such as UP-N, UP-N-O in Fig. 3.Step 2:UE is from
One network area is moved.Step 3: after UE is moved, CP judges whether UE moves to the second network area, Qi Zhong
Two network areas are not set up the network area that the PDN being associated with UE is connected, if moving to the second network area, then CP is true
Surely need the APN connected by UE to set up to select a new UP and set up new PDN to connect (i.e. target PDN connects).Due to
Each UP has the network area itself serviced, so CP can be that UE selects new UP according to the second network area, and then
Determine that new PDN connects.Step 4, CP notice UE can use new UP to set up a new PDN even in the second network area
Connect.Information entrained in notice includes: APN, PDN corresponding to PDN connection connect instruction, and PDN connects instruction and can be
Preferred PDN connection<new>instruction, wherein the effect of PDN connection instruction is: be used for indicating UE to set up
One connects a more excellent new PDN than existing PDN and connects, but do not requires that UE initiates new PDN establishment of connection immediately.
Step 5, UE preserve the announcement information received in step 4.
On the basis of the embodiment that above-mentioned Fig. 2 is corresponding, the side of grouped data network PDN connection establishment in the embodiment of the present invention
In second alternative embodiment of method, set up if target PDN connects, then CP controls UE and carries out business biography by the connection of target PDN
Defeated.
Further, described chain of command CP is that UE selects target PDN to connect according to the network area residing for user equipment (UE)
Include before:
When UE moves from first network region, CP judges whether UE moves to the 3rd network area, the 3rd network area
The network area that the PDN being associated with UE is connected was stood for built；
Described chain of command CP is that UE selects the connection of target PDN to include according to the network area residing for user equipment (UE):
If UE moves to the 3rd network area, then CP is that UE selects target PDN to connect according to the 3rd network area, target
PDN is connected as in the 3rd network area a PDN in the PDN connection set up；Connect.
Further, this instruction information carries APN APN corresponding to target PDN connection and for indicating mesh
Mark PDN is connected as the mark that the PDN of limit priority connects.
For the ease of understanding second alternative embodiment of method of above-mentioned grouped data network PDN connection establishment, below by
One instantiation illustrates, and referring to Fig. 4, Fig. 4 is during UE is moved to the 3rd network area by first network region
The schematic diagram that information is mutual is carried out between CP and UE.
Fig. 4 includes 5 steps, and wherein, step 1:CP has established for UE in the 3rd network area and has been connected to APN's
PDN connects, and corresponding user face is UP-O, also includes other user faces, such as UP-N, UP-N-O in Fig. 4.Step 2:UE is from
One network area is moved.Step 3: after UE is moved, CP judges whether UE moves to the 3rd network area, if mobile
To the 3rd network area, it is connected to the PDN of APN connects, so CP is not owing to CP has established for UE in the 3rd network area
Connect to again the newly-built PDN of UE, but the PDN connection in the 3rd network area that will have built up is indicated to UE.Step
PDN in 3rd network area is connected notice and includes to UE, parameter entrained in notice by 4:CP: in the 3rd network area
APN corresponding to PDN connection and mark, mark can be preferred PDN connection < PDN connection
Id >, the effect of mark is: for an APN, when the PDN that there is multiple correspondence connects, be indicated to which UE should preferably select
Individual PDN connects.Step 5:UE preserves the announcement information received in step 4, only preserves a mark for an APN, UE,
If having saved a mark before UE, when UE preserves new mark again, new mark can replace the mark preserved before UE
Know.
On the basis of the embodiment that above-mentioned Fig. 2 is corresponding, the side of grouped data network PDN connection establishment in the embodiment of the present invention
In the 3rd alternative embodiment of method, described UE sends after setting up the request that target PDN connects to CP according to instruction information
Including:
UE receives the mark of the target PDN connection that CP returns, and the connection of target PDN is set to have limit priority
PDN connect, target PDN connect be designated CP according to the request received set up target PDN connect after, for target PDN connection
The mark of distribution.
For the ease of understanding the 3rd alternative embodiment of method of above-mentioned grouped data network PDN connection establishment, below by
One instantiation illustrates, and 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, and wherein, step 1:CP has established for UE in certain network area and has been connected to APN's
PDN connects, and corresponding user face is UP-O, also includes other user faces, 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 need not network side and provides business continuance to prop up
The when of holding, UE judges whether to need to set up new PDN and connects, if desired, then by new business or old need not network
Side provides the business of business continuance support to be placed on new PDN transmission.Step 3: if UE saves the PDN in Fig. 3 and connects
Instruction, i.e. preferred PDN connection<new>instruction, then explanation UE can set up new in current network area
PDN connects.Step 4:UE sends for setting up the request message that new PDN connects to CP, carries new PDN in request message
The instruction information that the APN information connected and new PDN set up.After step 5:CP receives request message, according to request message
Judge whether to need in current network area to be that UE selects a UP and sets up new PDN connection, if desired, then perform step 6.
Step 6: set up new PDN and connect.Step 7: after new PDN connection establishment completes, CP sends new PDN connection establishment to UE and rings
Answering message, which includes CP is the mark that the PDN that this is new connects distribution.Step 8: after new PDN connection establishment completes, UE makes
Connect with new PDN and carry out data transmission.Step 9:UE preserves the mark connecting distribution for new PDN that CP returns, and will be new
PDN connect be set to limit priority PDN connect.Step 10: if certain that in the judge process of step 2, UE preserves
The mark (mark in Fig. 4 step 4) that PDN connects, then need not set up new PDN in current network area and connect.Step 11:
Use the PDN preserved to connect to carry out data transmission.
Referring to Fig. 6, in the embodiment of the present invention, an embodiment of chain of command CP includes:
Selecting module 201, being used for according to the network area residing for user equipment (UE) is that described UE selects target PDN to connect,
A PDN during the PDN that described target PDN is connected as can use connects connects；
Sending module 202, for sending instruction information to described UE, described instruction information is used for indicating described UE to pass through institute
State the connection of target PDN and carry out business transmission；
Receiver module 203, does not sets up if connecting for described target PDN, then will carry out described business transmission as described UE
Time, receive the request for setting up the connection of described target PDN that described UE sends according to described instruction information；
Set up module 204, for setting up described target PDN according to the request received.
Optionally, referring to Fig. 7, in some embodiments of the invention, described CP also includes:
First judge module 301, for when described UE moves from first network, it is judged that whether described UE moves to second
Network area, described second network area is not set up the network area that the PDN being associated with described UE is connected；
Described selection module 201, if moving to described second network area specifically for described UE, then according to described second
Network area is that described UE selects target PDN to connect, and described target PDN is connected as unfounded PDN and connects.
Optionally, referring to Fig. 8, in some embodiments of the invention, described CP also includes: control module 401, is used for
Set up if described target PDN connects, then control described UE and carry out business transmission by the connection of described target PDN.
Further, described CP also includes: the second judge module 402, for when described UE is from described first network region
Time mobile, it is judged that whether described UE moves to the 3rd network area, and described 3rd network area is built standing and described UE phase
The network area that the PDN of association connects；
Described selection module 201, if moving to described 3rd network area specifically for described UE, then according to the described 3rd
Network area is that described UE selects target PDN to connect, and described target PDN is connected as having set up in described 3rd network area
A PDN during PDN connects connects.
It should be noted that the explanation of the action performed by above-mentioned each module may refer to preceding method embodiment, herein
Repeat no more.
CP the embodiment of the present invention is described, below at hardware from the angle of modular functionality entity above
CP in the embodiment of the present invention is described by the angle of reason, refers to Fig. 9, and the CP in the embodiment of the present invention includes: processor
501, emitter 502 and receptor 503.
The CP that the present embodiments relate to can have ratio more or less of parts illustrated in fig. 9, can combine two
Individual or more parts, or can have different parts and configure or set up, all parts can include one or more
Signal processing and/or special IC realize in the combination of interior hardware, software or hardware and software.
Described processor 501 is used for performing to operate as follows:
Being that described UE selects target PDN to connect according to the network area residing for user equipment (UE), described target PDN is connected as
A PDN during available PDN connects connects.
Described emitter 502 is used for performing to operate as follows:
Send instruction information to described UE, described instruction information be used for indicating described UE by described target PDN connect into
Industry business transmission.
Described receptor 503 is used for performing to operate as follows:
If described target PDN connect do not set up, then when described UE will carry out described business transmission time, receive described UE according to
The request for setting up the connection of described target PDN that described instruction information sends.
Described processor 501 is additionally operable to perform to operate as follows:
Described target PDN is set up according to the request received.
Optionally, described processor 501 is additionally operable to perform to operate as follows: when described UE moves from first network, it is judged that
Whether described UE moves to the second network area, and described second network area is not set up the PDN being associated with described UE even
The network area connect；If described UE moves to described second network area, then it is described UE choosing according to described second network area
Selecting target PDN to connect, described target PDN is connected as unfounded PDN and connects.
Optionally, described processor 501 is additionally operable to perform to operate as follows: sets up if described target PDN connects, then controls
Described UE carries out business transmission by the connection of described target PDN.
Optionally, described processor 501 is additionally operable to perform to operate as follows: when described UE moves from described first network region
Time, it is judged that whether described UE moves to the 3rd network area, and described 3rd network area is that built standing is associated with described UE
PDN connect network area；If described UE moves to described 3rd network area, then it is institute according to described 3rd network area
Stating UE selects target PDN to connect, and described target PDN is connected as in described 3rd network area one in the PDN connection set up
Individual PDN connects.
It should be noted that the explanation of the action performed by above-mentioned each hardware may refer to preceding method embodiment, herein
Repeat no more.
Referring to Figure 10, in the embodiment of the present invention, an embodiment of user equipment (UE) includes:
First receiver module 601, for receiving the instruction information that chain of command CP sends, described instruction information is used for indicating institute
Stating UE and carry out business transmission by the connection of target PDN, described target PDN is connected as described CP according to the network area residing for described UE
Territory is that the PDN that described UE selects from available PDN connects connects；
Sending module 602, does not sets up if connecting for described target PDN, then will carry out described business transmission as described UE
Time, send for setting up the request that described target PDN connects to described CP according to described instruction information, in order to described CP is according to connecing
The request received is set up described target PDN and is connected.
Optionally, referring to Figure 11, in some embodiments of the invention, described UE also includes:
Second receiver module 701, the mark that described target PDN returned for receiving described CP connects；
Processing module 702, connects for the connection of described target PDN is set to have the PDN of limit priority；
Wherein, the described CP that is designated of described target PDN connection sets up the connection of described target PDN according to the request received
After, the mark of distribution is connected for described target PDN.
Optionally, referring to Figure 12, in some embodiments of the invention, described UE also includes:
Transport module 801, sets up if connecting for described target PDN, then connected by described target PDN and carry out business
Transmission.
It should be noted that the explanation of the action performed by above-mentioned each module may refer to preceding method embodiment, herein
Repeat no more.
UE the embodiment of the present invention is described, below at hardware from the angle of modular functionality entity above
UE in the embodiment of the present invention is described by the angle of reason, refers to Figure 13, and the UE in the embodiment of the present invention includes: receptor
901 and emitter 902.
The UE that the present embodiments relate to can have ratio more or less of parts illustrated in fig. 13, can combine two
Individual or more parts, or can have different parts and configure or set up, all parts can include one or more
Signal processing and/or special IC realize in the combination of interior hardware, software or hardware and software.
Described receptor 901 is used for performing to operate as follows: receive the instruction information that chain of command CP sends, described instruction information
Carrying out business transmission for indicating described UE to be connected by target PDN, described target PDN is connected as described CP according to described UE institute
The network area at place is that the PDN that described UE selects from available PDN connects connects.
Described emitter 902 is used for performing to operate as follows: does not sets up if described target PDN connects, then will enter as described UE
During row described business transmission, send for setting up the request that described target PDN connects according to described instruction information to described CP, with
Toilet is stated CP and is set up the connection of described target PDN according to the request received.
Optionally, described receptor 901 is additionally operable to perform to operate as follows: receive described target PDN of described CP return even
The mark connect；
Described UE also includes that processor, described processor are used for performing to operate as follows: described target PDN is connected and is set to
The PDN with limit priority connects；Wherein, the described CP that is designated that described target PDN connects builds according to the request received
After vertical described target PDN connects, connect the mark of distribution for described target PDN.
Optionally, described processor is used for performing to operate as follows: set up if described target PDN connects, then by described
The connection of target PDN carries out business transmission.
It should be noted that the explanation of the action performed by above-mentioned each hardware may refer to preceding method embodiment, herein
Repeat no more.
Those skilled in the art is it can be understood that arrive, for convenience and simplicity of description, and the device of foregoing description
With the specific works process of module, it is referred to the corresponding process in preceding method embodiment, does not repeats them here.
In several embodiments provided herein, it should be understood that disclosed apparatus and method, can be passed through it
Its mode realizes.Such as, device embodiment described above is only schematically, such as, and the division of described module, only
Being only a kind of logic function to divide, actual can have other dividing mode, the most multiple modules or assembly to tie when realizing
Close or be desirably integrated into another system, or some features can be ignored, or not performing.Another point, shown or discussed
Coupling each other or direct-coupling or communication connection can be the INDIRECT COUPLING by some interfaces, device or unit or logical
Letter connects, and can be electrical, machinery or other form.
The described module illustrated as separating component can be or may not be physically separate, shows as module
The parts shown can be or may not be physical module, i.e. may be located at a place, or can also be distributed to multiple
On mixed-media network modules mixed-media.Some or all of module therein can be selected according to the actual needs to realize the mesh of the present embodiment scheme
's.
It addition, each functional module in each embodiment of the present invention can be integrated in a processing module, it is also possible to
It is that modules is individually physically present, it is also possible to two or more modules are integrated in a module.Above-mentioned integrated mould
Block both can realize to use the form of hardware, it would however also be possible to employ the form of software function module realizes.
If described integrated module realizes and as independent production marketing or use using the form of software function module
Time, can be stored in a computer read/write memory medium.Based on such understanding, technical scheme is substantially
The part that in other words prior art contributed or this technical scheme completely or partially can be with the form of software product
Embodying, this computer software product is stored in a storage medium, including some instructions with so that a computer
Equipment (can be personal computer, server, or the network equipment etc.) performs the complete of method described in each embodiment of the present invention
Portion or part steps.And aforesaid storage medium includes: USB flash disk, portable hard drive, read only memory (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can store journey
The medium of sequence code.
The above, above example only in order to technical scheme to be described, is not intended to limit；Although with reference to front
State embodiment the present invention has been described in detail, it will be understood by those within the art that: it still can be to front
State the technical scheme described in each embodiment to modify, or wherein portion of techniques feature is carried out equivalent；And these
Amendment or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (18)
1. the method for a grouped data network PDN connection establishment, it is characterised in that including:
Chain of command CP is that described UE selects target PDN to connect according to the network area residing for user equipment (UE), and described target PDN is even
The PDN connect in connecting for available PDN connects；
Described CP sends instruction information to described UE, and described instruction information is used for indicating described UE to be connected by described target PDN
Carry out business transmission；
Do not set up if described target PDN connects, then, when described UE will carry out the transmission of described business, described CP receives described UE root
The request for setting up the connection of described target PDN sent according to described instruction information；
Described CP sets up described target PDN according to the request received.
Method the most according to claim 1, it is characterised in that described chain of command CP is according to the network residing for user equipment (UE)
Region is that described UE selects target PDN to include before connecting:
When described UE moves from first network region, described CP judges whether described UE moves to the second network area, described
Second network area is not set up the network area that the PDN being associated with described UE is connected；
Described chain of command CP is that described UE selects PDN connection to include according to the network area residing for user equipment (UE):
If described UE moves to described second network area, the most described CP is that described UE selects mesh according to described second network area
Mark PDN connects, and described target PDN is connected as unfounded PDN and connects.
Method the most according to claim 2, it is characterised in that it is right that described instruction information carries the connection of described target PDN
The APN APN that answers and for indicating described UE can set up the information that described target PDN connects.
Method the most according to claim 1, it is characterised in that described method also includes:
Setting up if described target PDN connects, the most described CP controls described UE and carries out business biography by the connection of described target PDN
Defeated.
Method the most according to claim 4, it is characterised in that described chain of command CP is according to the network residing for user equipment (UE)
Region is that described UE selects target PDN to include before connecting:
When described UE moves from described first network region, described CP judges whether described UE moves to the 3rd network area,
Described 3rd network area is built to stand the network area that the PDN being associated with described UE is connected；
Described chain of command CP is that described UE selects PDN connection to include according to the network area residing for user equipment (UE):
If described UE moves to described 3rd network area, the most described CP is that described UE selects mesh according to described 3rd network area
Mark PDN connects, and a PDN during the PDN that described target PDN is connected as in described 3rd network area having set up connects connects.
Method the most according to claim 5, it is characterised in that it is right that described instruction information carries the connection of described target PDN
The APN APN that answers and for indicating described target PDN to be connected as having the mark that the PDN of limit priority connects.
7. the method for a grouped data network PDN connection establishment, it is characterised in that including:
User equipment (UE) receives the instruction information that chain of command CP sends, and described instruction information is used for indicating described UE to pass through target
PDN connects and carries out business transmission, described target PDN be connected as described CP according to the network area residing for described UE be described UE from
The PDN that available PDN selects in connecting connects；
Do not set up if described target PDN connects, then, when described UE will carry out the transmission of described business, described UE is according to described instruction
Information sends for setting up the request that described target PDN connects to described CP, so that described CP builds according to the request received
Vertical described target PDN connects.
Method the most according to claim 7, it is characterised in that described UE sends use according to described instruction information to described CP
Include after setting up the request that described target PDN connects:
Described UE receives the mark that described target PDN that described CP returns connects, and described target PDN is connected and be set to have
The PDN of limit priority connects, and the described CP that is designated that described target PDN connects sets up described target according to the request received
After PDN connects, connect the mark of distribution for described target PDN.
Method the most according to claim 7, it is characterised in that described method also includes:
Setting up if described target PDN connects, the most described UE carries out business transmission by the connection of described target PDN.
10. a chain of command CP, it is characterised in that including:
Selecting module, being used for according to the network area residing for user equipment (UE) is that described UE selects target PDN to connect, described target
A PDN during the PDN that PDN is connected as can use connects connects；
Sending module, for sending instruction information to described UE, described instruction information is used for indicating described UE by described target
PDN connection carries out business transmission；
Receiver module, does not sets up if connecting for described target PDN, then, when described UE will carry out the transmission of described business, receive
The request for setting up the connection of described target PDN that described UE sends according to described instruction information；
Set up module, for setting up described target PDN according to the request received.
11. CP according to claim 10, it is characterised in that described CP also includes:
First judge module, for when described UE moves from first network, it is judged that whether described UE moves to the second network area
Territory, described second network area is not set up the network area that the PDN being associated with described UE is connected；
Described selection module, if moving to described second network area specifically for described UE, then according to described second network area
Territory is that described UE selects target PDN to connect, and described target PDN is connected as unfounded PDN and connects.
12. CP according to claim 11, it is characterised in that it is right that described instruction information carries the connection of described target PDN
The APN APN that answers and for indicating described UE can set up the information that described target PDN connects.
13. CP according to claim 10, it is characterised in that described CP also includes:
Control module, sets up if connecting for described target PDN, then control described UE and carried out by the connection of described target PDN
Business is transmitted.
14. CP according to claim 13, it is characterised in that described CP also includes:
Second judge module, for when described UE moves from described first network region, it is judged that whether described UE moves to the
Three network areas, described 3rd network area is built to stand the network area that the PDN being associated with described UE is connected；
Described selection module, if moving to described 3rd network area specifically for described UE, then according to described 3rd network area
Territory is that described UE selects target PDN to connect, and the PDN that described target PDN is connected as in described 3rd network area having set up connects
In PDN connect.
15. CP according to claim 14, it is characterised in that it is right that described instruction information carries the connection of described target PDN
The APN APN that answers and for indicating described target PDN to be connected as having the mark that the PDN of limit priority connects.
16. 1 kinds of user equipment (UE)s, it is characterised in that including:
First receiver module, for receiving the instruction information that chain of command CP sends, described instruction information is used for indicating described UE to lead to
Crossing the connection of target PDN and carry out business transmission, it is institute that described target PDN is connected as described CP according to the network area residing for described UE
State the PDN connection that UE selects from available PDN connects；
Sending module, does not sets up if connecting for described target PDN, then when described UE will carry out the transmission of described business, according to
Described instruction information sends for setting up the request that described target PDN connects to described CP, in order to described CP is according to receiving
Request is set up described target PDN and is connected.
17. UE according to claim 16, it is characterised in that described UE also includes:
Second receiver module, the mark that described target PDN returned for receiving described CP connects；
Processing module, connects for the connection of described target PDN is set to have the PDN of limit priority；
Wherein, described target PDN connect be designated described CP according to the request received set up described target PDN connection after,
The mark of distribution is connected for described target PDN.
18. UE according to claim 16, it is characterised in that described UE also includes:
Transport module, sets up if connecting for described target PDN, then connected by described target PDN and carry out business transmission.
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 |
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| Publication Number | Publication Date |
|---|---|
| CN106255161A true CN106255161A (en) | 2016-12-21 |
| CN106255161B 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 |
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| CN (1) | CN106255161B (en) |
| WO (1) | WO2018028431A1 (en) |
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| WO2018028431A1 (en) * | 2016-08-09 | 2018-02-15 | 华为技术有限公司 | Method for establishing packet data network (pdn) connection, control plane (cp) and user equipment (ue) |
| CN110996359A (en) * | 2019-12-10 | 2020-04-10 | RealMe重庆移动通信有限公司 | Network control method, terminal and storage medium |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN106255161B (en) | 2019-10-25 |
| WO2018028431A1 (en) | 2018-02-15 |
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