CN106572507A - Method for redirecting terminal equipment to private network, terminal equipment and base stations - Google Patents
Method for redirecting terminal equipment to private network, terminal equipment and base stations Download PDFInfo
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- CN106572507A CN106572507A CN201510670518.0A CN201510670518A CN106572507A CN 106572507 A CN106572507 A CN 106572507A CN 201510670518 A CN201510670518 A CN 201510670518A CN 106572507 A CN106572507 A CN 106572507A
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- identification information
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- 238000000034 method Methods 0.000 title claims abstract description 97
- 230000000977 initiatory effect Effects 0.000 claims description 38
- 230000004044 response Effects 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000008569 process Effects 0.000 abstract description 36
- 230000002452 interceptive effect Effects 0.000 abstract 1
- 230000003993 interaction Effects 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 4
- 230000001960 triggered effect Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0066—Transmission or use of information for re-establishing the radio link of control information between different types of networks in order to establish a new radio link in the target network
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/14—Reselecting a network or an air interface
- H04W36/144—Reselecting a network or an air interface over a different radio air interface technology
-
- 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
- H04W36/362—Conditional handover
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention provides a method for redirecting terminal equipment to a private network, the terminal equipment and base stations. The terminal equipment switches to a second network node from a first network node, the first network node is connected with a first base station, and the second network node is connected with a second base station. The method comprises the steps that identification information of the private network matched with the terminal equipment and transmitted by the second network node is received; and when the terminal equipment returns to the idle state and initiates tracking area updating, the identification information of the private network is transmitted to the second base station, wherein the identification information of the private network is used for indicating the second base station to redirect the terminal equipment to a target network node corresponding to the identification information. The method is easy to implement, and the interactive process between the terminal equipment and the network can be simplified.
Description
Technical field
The present invention relates to communication technical field, more particularly to a kind of that terminal unit is redirected to dedicated network
Method and device.
Background technology
With a large amount of uses of machine-type communication MTC, network needs to face great amount of terminals and is linked into asking for network
Topic, while the business that different terminals has different characteristics, support is presented variation；Such as automatic vending machine
May not be needed to support that the MTC such as mobility, medical monitoring need to ensure the real-time Transmission of data Deng MTC,
And the MTC device such as water meter ammeter then only needs to carry out small data transmission etc. in the specific time.In order to avoid this
A little services of the MTC device to existing user are impacted, and can be carried for which simultaneously for different user networks
For appropriate optimization service, operator may select to dispose different types of core net；Therefore different users
The UE of classification will be linked in different particular networks.This specific network is referred to as D é cor (special)
Network.
But in network design, it is understood that there may be the network of early stage deployment is not due to being upgraded, and do not prop up
Hold D é cor network characteristics；Or operator only deploys the field of D é cor networks in some areas during on-premise network
Scape.User equipment (UE) is just only had access in non-D é cor networks, if but working as user equipment in this case
UE is moved to the position of a certain support D é cor characteristics, or network detects the D é cor of UE characteristics
The presence of network, will during attachment attach, tracing section updating TAU or routing area updating RAU
Initiate NAS message redirection process as shown in Figure 1.
Step 1：When first new MME/SGSN receive the attach request/TAU request/ of UE initiations
After RAU request message, first new MME/SGSN are obtained from old MME/SGSN or HSS
The UE type informations of UE.First new MME/SGSN are according to the UE type informations of UE and configuration
Information determines whether the D é cor networks for meeting this UE demand.
First new MME/SGSN send NAS to RAN and redirect request, and complete NAS is carried in request
Message, while comprising the identification information that first new MME/SGSN are the D é cor networks that UE is selected.
In current agreement, D é cor networks are by MMEGI (E-UTRAN) or Null-NRI/SGSN Group
ID (UTRAN/GERAN) is being identified.
Step 2：The network node selection function of RAN node is based on MMEGI or Null-NRI/SGSN
Group ID are that UE selects a new MME/SGSN.
Step 3：ENB/RNC sends Initial UE message to the MME/SGSN for selecting, wherein carrying
The NAS solicited messages of UE, and MMEGI or Null-NRI/SGSN Group id informations.MMEGI
Or Null-NRI/SGSN Group id informations indicate that this is the message of a redirection.Second new
This NAS message can not be redirected by MME/SGSN again.
If UE does not support D é cor networks at cell-of-origin in addition, and the new cell after switching supports D é cor
Network, then the step in Fig. 2 will be performed：
Step 4：When after switching MME determine UE is redirected to into D é cor networks when, MME to
UE initiates GUTI processes again, wherein carrying a TAI/RAI for not having to broadcast.
Step 5：MME/SGSN release RAN side connections, UE move to Idle state.
Step 6：Do not have the TAI/RAI triggering UE for broadcasting to initiate TAU processes.MME/SGSN is received
TAU/RAU request messages.
Step 7：Processes of the MME/SGSN according to Fig. 1 initiates NAS redirection process.
But the scheme of prior art is since it is considered that compatibility to version terminal before, it is impossible to the behavior to UE
Have an impact, so the project plan comparison of last design is complicated.Occur to redirect after particularly switching, process is more
It is complicated.In agreement, regulation NAS redirection process can only occur in the TAU/RAU mistakes of UE Idle state at present
Caused by Cheng Zhong, HO process, TAU can not initiate NAS redirections.According to present process, UE
After switching, if having left original TA list (tracking zone list), UE is needed in handoff procedure
Initiate TAU processes.After terminating Deng this process, GUTI re-allocation processes are initiated by MME/SGSN,
Triggering UE initiates TAU again, and during TAU this time, MME was redirected in initiation NAS
Journey.Complexity is realized, the interaction in UE and network is a lot.
The content of the invention
Terminal unit is redirected to into the method for dedicated network, terminal sets it is an object of the invention to provide a kind of
Standby and base station, it is complicated to solve process when redirecting after terminal unit switching in prior art, terminal unit and
Network interaction is more, affects to redirect efficiency and takes the problem of the network bandwidth.
In order to achieve the above object, the embodiment of the present invention provides one kind and terminal unit is redirected to dedicated network
Method, the terminal unit is switched to the second network node, the first network section by first network node
Point is connected with first base station, and second network node is connected with the second base station, and methods described includes：
Receive the identification information of the dedicated network matched with the terminal unit of the second network node transmission；
After the terminal unit returns to Idle state during initiating updating of tracking area, by the mark of the dedicated network
Information is sent to second base station, and the identification information of the dedicated network is used to indicate that second base station will
The terminal unit is redirected to the target network node corresponding with the identification information.
Wherein, receive the trigger message of the triggering tracing section updating that the second network node sends；The triggering
Information returns to the terminal unit initiating updating of tracking area of Idle state for triggering.
Wherein, the mark for receiving the dedicated network matched with the terminal unit that the second network node sends
The step of knowledge information, includes：
After the completion of terminal unit switching, the mark of the terminal unit that the second network node sends is received
GUTI reassigns request；Wherein, the GUTI carries what is matched with the terminal unit in reassigning request
The identification information of dedicated network；
GUTI is sent to second network node and reassigns request response, the GUTI reassigns request and rings
It is applied to represent whether GUTI is reassigned successful.
Wherein, the mark for receiving the dedicated network matched with the terminal unit that the second network node sends
The step of knowledge information, includes：
In the terminal unit handoff procedure, tracing section updating request is sent to the second network node；
Receive the tracing section updating request receive information that second network node sends, the tracing section updating
The identification information of the dedicated network that the terminal unit is matched with the terminal unit is carried in request receive information.
Wherein, after the terminal unit returns to Idle state during initiating updating of tracking area, by the dedicated network
Identification information include the step of be sent to second base station：
After the GUTI reassigns success, the release terminal unit that the second network node sends is received
The order of resource, the terminal unit return to Idle state；
Initiating updating of tracking area, and take in the radio resource control RRC message sent to second base station
The identification information of the dedicated network that band is matched with the terminal unit.
Wherein, it is described after the terminal unit returns to Idle state during initiating updating of tracking area, will be described special
The step of identification information of network is sent to second base station includes：
After completing the tracing section updating, the money of the release terminal unit that the second network node sends is received
The order in source, the terminal unit return to Idle state；
Initiating updating of tracking area again, and in the radio resource control RRC message sent to second base station
The middle identification information for carrying the dedicated network matched with the terminal unit.
Wherein, group mark or service of the identification information of the dedicated network for mobile management entity MME
One or combination in the group mark of GPRS Support Node SGSN.
Wherein, the trigger message of the triggering tracing section updating is Non-Broadcast Multicast Access tracking area identification TAI or non-wide
The Routing Area Identifier RAI for broadcasting.
The embodiment of the present invention also provides a kind of method that terminal unit is redirected to dedicated network, the terminal
Equipment is switched to the second network node by first network node, and the first network node is connected with first base station,
Second network node is connected with the second base station, and methods described includes：
The radio resource control RRC message that receiving terminal apparatus send, comprising described in the RRC information
The identification information of the dedicated network matched with the terminal unit；
According to the identification information, it is determined that the target network node corresponding with the identification information；
The terminal unit is redirected to into the target network node.
Wherein, the step of terminal unit being redirected to the purpose network node includes：
The initial information of the terminal unit and tracing section updating request are sent to into the target network node,
Control the terminal unit and access the target network node.
The embodiment of the present invention also provides a kind of terminal unit, and the terminal unit is switched to by first network node
Second network node, the first network node are connected with first base station, second network node and second
Base station connects, and described device includes：
Receiver module, for receiving the dedicated network matched with the terminal unit that the second network node sends
Identification information；
Sending module, for after the terminal unit returns to Idle state during initiating updating of tracking area, will be described
The identification information of dedicated network is sent to second base station, and the identification information of the dedicated network is used to indicate
Second base station terminal unit is redirected to into the target network node corresponding with the identification information.
Wherein, the terminal unit also includes：
Triggering receiver module, for receiving the triggering letter of the triggering tracing section updating that the second network node sends
Breath；The trigger message returns to the terminal unit initiating updating of tracking area of Idle state for triggering.
Wherein, the receiver module includes：
First receiving submodule, for, after the completion of terminal unit switching, receiving the second network node and sending out
Mark GUTI of the terminal unit for sending reassigns request；Wherein, the GUTI carry in reassigning request with
The identification information of the dedicated network of the terminal unit matching；
Second receiving submodule, reassigns request response, institute for sending GUTI to second network node
GUTI reassignment request responses are stated for representing that it is whether successful that GUTI is reassigned.
Wherein, the receiver module includes：
3rd receiving submodule, for, in the terminal unit handoff procedure, sending to the second network node
Tracing section updating is asked；
4th receiving submodule, receives for receiving the tracing section updating request that second network node sends
Information, carries what the terminal unit was matched with the terminal unit in the tracing section updating request receive information
The identification information of dedicated network.
Wherein, the sending module includes：
First sending submodule, for, after the GUTI reassigns success, receiving the second network node and sending
The release terminal unit resource order, the terminal unit returns to Idle state；
Second sending submodule, it is for initiating updating of tracking area and wireless what is sent to second base station
The identification information of the dedicated network matched with the terminal unit is carried in resources control RRC information.
Wherein, the sending module includes：
3rd sending submodule, for completing after the tracing section updating, receives what the second network node sent
The order of the resource of the terminal unit is discharged, the terminal unit returns to Idle state；
4th sending submodule, for initiating updating of tracking area again, and is sending to second base station
The identification information of the dedicated network matched with the terminal unit is carried in radio resource control RRC message.
Wherein, group mark or service of the identification information of the dedicated network for mobile management entity MME
One or combination in the group mark of GPRS Support Node SGSN.
Wherein, the trigger message of the triggering tracing section updating is Non-Broadcast Multicast Access tracking area identification TAI or non-wide
The Routing Area Identifier RAI for broadcasting.
The embodiment of the present invention also provides a kind of terminal unit, and the terminal unit is switched to by first network node
Second network node, the first network node are connected with first base station, second network node and second
Base station connects, and the terminal unit includes：
Processor；And the memorizer being connected with the processor by EBI, the memorizer use
In program and the data used when operation is performed by the processor are stored, when processor is called and performs institute
When the program stored in stating memorizer and data, following functional module is realized：
Receiver module, for receiving the dedicated network matched with the terminal unit that the second network node sends
Identification information；
Sending module, for after the terminal unit returns to Idle state during initiating updating of tracking area, will be described
The identification information of dedicated network is sent to second base station, and the identification information of the dedicated network is used to indicate
Second base station terminal unit is redirected to into the target network node corresponding with the identification information.
The embodiment of the present invention also provides a kind of base station to be included：
Message reception module, it is for the radio resource control RRC message that receiving terminal apparatus send, described
Identification information comprising the dedicated network matched with the terminal unit in RRC information；
Determining module, for according to the identification information, it is determined that the objective network corresponding with the identification information
Node；
Redirection module, for the terminal unit is redirected to the target network node.
Wherein, the redirection module includes：
Submodule is redirected, for the initial information of the terminal unit and tracing section updating request are sent to
The target network node, controls the terminal unit and accesses the target network node.
The embodiment of the present invention also provides a kind of base station, including：
Processor；And the memorizer being connected with the processor by EBI, the memorizer use
In program and the data used when operation is performed by the processor are stored, when processor is called and performs institute
When the program stored in stating memorizer and data, following functional module is realized：
Message reception module, it is for the radio resource control RRC message that receiving terminal apparatus send, described
Identification information comprising the dedicated network matched with the terminal unit in RRC information；
Determining module, for according to the identification information, it is determined that the objective network corresponding with the identification information
Node；
Redirection module, for the terminal unit is redirected to the target network node.
The above-mentioned technical proposal of the present invention at least has the advantages that：
In the method that terminal unit is redirected to dedicated network of the embodiment of the present invention, terminal unit and base station,
Terminal unit is obtained and preserves the identification information of the dedicated network matched with terminal unit, then in terminal unit
Initiating updating of tracking area process when returning to Idle state, and the identification information of dedicated network is included in into RRC information
In be sent to base station so that base station according to the identification information of dedicated network be terminal unit select and dedicated network
Corresponding target network node, so as to terminal unit is redirected to target network node；Realize that process is simple,
And the interaction flow of terminal unit and network is simplified, improve switching efficiency.
Description of the drawings
The flow chart that Fig. 1 represents NAS redirections in prior art；
Fig. 2 represents the redirection flow chart in prior art after terminal unit switching；
Fig. 3 represents the application of the method that terminal unit is redirected to dedicated network provided in an embodiment of the present invention
Scene graph；
Fig. 4 represents the method that terminal unit is redirected to dedicated network that the first embodiment of the present invention is provided
Basic step flow chart；
Fig. 5 represents the method that terminal unit is redirected to dedicated network that the second embodiment of the present invention is provided
Basic step flow chart；
Fig. 6 represents the signaling process figure under the concrete application scene of the second embodiment of the present invention；
Fig. 7 represents the method that terminal unit is redirected to dedicated network that the third embodiment of the present invention is provided
Basic step flow chart；
Fig. 8 represents the signaling process figure under the concrete application scene of the third embodiment of the present invention；
Fig. 9 represents the method that terminal unit is redirected to dedicated network that the fourth embodiment of the present invention is provided
Basic step flow chart；
Figure 10 represents the method that terminal unit is redirected to dedicated network that the fifth embodiment of the present invention is provided
Basic step flow chart；
Figure 11 represents the method that terminal unit is redirected to dedicated network that the seventh embodiment of the present invention is provided
Basic step flow chart.
Specific embodiment
To make the technical problem to be solved in the present invention, technical scheme and advantage clearer, below in conjunction with attached
Figure and specific embodiment are described in detail.
It should be noted that reorientation method provided in an embodiment of the present invention is applied to terminal unit in cell-of-origin
Matched dedicated network is not supported, and the new cell after switching supports matched dedicated network, its
The scene graph of handoff scenario and redirection scene is as shown in Figure 3：Terminal unit is switched to second from first base station
Base station, and the terminal unit is switched to the second network node from first network node, is sentenced by the second network node
Breaking, whether which needs to redirect the operation of dedicated network, carries out the present invention if necessary and implements to provide
Redirection process.
First embodiment
As shown in figure 4, the first embodiment of the present invention provides one kind is redirected to dedicated network by terminal unit
Method, be applied to terminal unit, the terminal unit is switched to the second network node by first network node,
The first network node is connected with first base station, and second network node is connected with the second base station, described
Method includes：
Step 11, receives the mark of the dedicated network matched with the terminal unit that the second network node sends
Information；
Step 12, after the terminal unit returns to Idle state during initiating updating of tracking area, by the private network
The identification information of network is sent to second base station, and the identification information of the dedicated network is used to indicating described the
Two base stations the terminal unit is redirected to into the target network node corresponding with the identification information.
In the first embodiment of the present invention, first network node is connected with first base station, the second network node with
Second base station connects, and the terminal unit is switched to the second base station from first base station, actually also from the first net
Network node is switched to the second network node.Second network node can according to the CAMEL-Subscription-Information of terminal unit and this
The locally configured data of two network nodes, decide whether to be redirected to and the terminal unit terminal unit
In the dedicated network of matching.If desired redirect that in dedicated network, then receive the second network node and send out
The identification information of the related data for sending, the i.e. dedicated network, the identification information of the dedicated network are used to indicate
Second base station terminal unit is redirected to into the target network node corresponding with the identification information.
It should be noted that returning to according to existing communication mechanism terminal unit need after Idle state a triggering bar
Part can initiating updating of tracking area, then method provided in an embodiment of the present invention also include：
Step 13, receives the trigger message of the triggering tracing section updating that the second network node sends；It is described to touch
Photos and sending messages return to the terminal unit initiating updating of tracking area of Idle state for triggering., the trigger message is to touch
Send out the carrying out of the process of tracing section updating, it is ensured that terminal unit can access the objective network section of redirection again
Point.
Further, the identification information of dedicated network described in the above embodiment of the present invention is mobile management reality
One or combination in the group mark of the group mark or Serving GPRS Support Node SGSN of body MME.Need
It is noted that above-mentioned identification information is only the preferred embodiment of the application, the mark of other new definition
The embodiment of the present invention is also applied for, it is numerous to list herein.Specifically, the triggering tracing section updating is tactile
Photos and sending messages are Non-Broadcast Multicast Access tracking area identification TAI or Non-Broadcast Multicast Access Routing Area Identifier RAI.
Explanation is needed further exist for, it is only the present invention which utilizes the method for trigger message triggering tracing section updating
A preferred embodiment, with the continuous development of communication technology, by other means triggering tracing section updating
Or its terminal returns to the guarantor for similarly belonging to the application situations such as idle condition can voluntarily trigger tracing section updating
Shield scope.
It should be noted that its process for redirecting just need to can be carried out when terminal unit returns to Idle state, i.e.,
After terminal unit returns to Idle state, the terminal unit triggered according to the trigger message being subject in step 11 with
Track area updates, and the identification information of dedicated network is sent to the second base station (this during its tracing section updating
Second base station is the base station of terminal unit currently attachment)；After second base station is subject to its identification information, according to described
Identification information determines target network node, and the terminal unit is redirected to above-mentioned target network node,
Complete the redirection process of terminal unit.
What the first embodiment of the present invention was provided is redirected to terminal unit in the method for dedicated network, terminal
Equipment obtains and preserves the identification information of the dedicated network matched with terminal unit, returns in terminal unit then
Initiating updating of tracking area process during Idle state, and by the identification information of dedicated network be included in RRC information send out
Give base station so that base station is that terminal unit selection is corresponding with dedicated network according to the identification information of dedicated network
Target network node, so as to terminal unit is redirected to target network node；Realize that process is simple, and
The interaction flow of terminal unit and network is simplified, switching efficiency is improved.
Second embodiment
As shown in figure 5, the second embodiment of the present invention provides one kind is redirected to dedicated network by terminal unit
Method, be applied to terminal unit, the terminal unit is switched to the second network node by first network node,
The first network node is connected with first base station, and second network node is connected with the second base station, described
Method includes：
Step 21, after the completion of terminal unit switching, receives the terminal unit that the second network node sends
Mark GUTI reassign request；Wherein, the GUTI is carried and the terminal unit in reassigning request
The identification information of the dedicated network of matching；
Step 22, sends GUTI to second network node and reassigns request response, the GUTI weights
Distribution request is responded for representing that it is whether successful that GUTI is reassigned.
Step 23, after the terminal unit returns to Idle state during initiating updating of tracking area, by the private network
The identification information of network is sent to second base station, and the identification information of the dedicated network is used to indicating described the
Two base stations the terminal unit is redirected to into the target network node corresponding with the identification information.
The second embodiment of the present invention is applied to after the completion of terminal unit switches, i.e., reassign process in GUTI
The middle identification information for carrying dedicated network.Specifically, after the completion of switching, the second network node MME/SGSN
GUTI need to be initiated when needing for terminal unit to be redirected to dedicated network and reassigns process.Now the second network
Node M ME/SGSN includes the identification information of dedicated network in the message.Wherein, the mark letter of dedicated network
Breath can be in agreement existing MMEGI or Null-NRI/SGSN Group id informations, or
Other marks of new definition.And it can make during GUTI is reassigned to carry dedicated network identification information
Transmitted with single IE, it is also possible in being included in the GUTI information of terminal unit, pass to terminal unit
(MMEGI or NRI/SGSN Group ID that will be in the GUTI of terminal unit are filled out as dedicated network
MMEGI or NRI/SGSN Group ID).After completing GUTI reassignment processes, network release
The resource of terminal unit, allows terminal unit to return to Idle state.
Further, in the second embodiment of the present invention, step 23 includes：
Step 231, after the GUTI reassigns success, receives described in the release that the second network node sends
The order of the resource of terminal unit, the terminal unit return to Idle state；
Step 232, initiating updating of tracking area, and in the radio resource control RRC sent to second base station
The identification information of the dedicated network matched with the terminal unit is carried in message.
I.e. terminal unit triggers tracing section updating TAU processes after receiving trigger message, is being sent to the second base station
RRC information in carry dedicated network identification information, the second base station is designated according to the dedicated network for receiving
Terminal unit selection target network node (MME/SGSN).
As shown in fig. 6, being described in detail for the concrete application scene of the second embodiment of the present invention：
S1, the second network node initiate GUTI redirection process to terminal unit, wherein carrying non-broadcasting TAI
With identification information (MMEGI).Non-broadcasting TAI is used for triggering terminal and initiates follow-up TAU processes, MMEGI
It is the mark of the dedicated network that the second network node is selected for terminal unit；
S2, terminal unit send GUTI to the second network node and reassign request response；
S3, terminal unit trigger TAU processes after receiving, in the RRC information of terminal unit to the second base station
The middle MMEGI for carrying dedicated network.TAU request message is included wherein in RRC information also；
S4, the second base station are found private network information according to MMEGI, and are set for terminal in the private network
Alternative target network node；
TAU request messages are sent to target network node by S5, the second base station.
3rd embodiment
As shown in fig. 7, the third embodiment of the present invention provides one kind is redirected to dedicated network by terminal unit
Method, be applied to terminal unit, the terminal unit is switched to the second network node by first network node,
The first network node is connected with first base station, and second network node is connected with the second base station, described
Method includes：
Step 31, in the terminal unit handoff procedure, sending tracing section updating to the second network node please
Ask；
Step 32, receives the tracing section updating request receive information that second network node sends, it is described with
Track area carries the mark of the dedicated network that the terminal unit is matched with the terminal unit in updating request receive information
Knowledge information.
Step 33, after the terminal unit returns to Idle state during initiating updating of tracking area, by the private network
The identification information of network is sent to second base station, and the identification information of the dedicated network is used to indicating described the
Two base stations the terminal unit is redirected to into the target network node corresponding with the identification information.
In the third embodiment of the present invention, after terminal unit switches, if terminal unit is arranged out of TAI
Table, then in handoff procedure, terminal unit will initiate TAU processes.During TAU, the second network
Node M ME/SGSN determines terminal unit is redirected in dedicated network.Now the second network node
MME/SGSN includes the identification information of dedicated network and in TAU receives message without broadcast
TAI/RAI values.Wherein, the identification information of dedicated network, can be in agreement existing MMEGI or
Other marks of Null-NRI/SGSN Group id informations, or new definition.And receive in TAU and disappear
It can be transmitting using single IE that dedicated network identification information is carried in breath, it is also possible to be included in terminal
Pass in the GUTI information of equipment terminal unit (MMEGI that will be in the GUTI of terminal or
NRI/SGSN Group ID fill out MMEGI the or NRI/SGSN Group ID for dedicated network).Complete
After TAU processes, the resource of UE is discharged, and UE returns to Idle state.
Further, in the third embodiment of the present invention, step 33 includes：
Step 331, after completing the tracing section updating, receives the release terminal that the second network node sends
The order of the resource of equipment, the terminal unit return to Idle state；
Step 332, initiating updating of tracking area again, and in the wireless heterogeneous networks sent to second base station
The identification information of the dedicated network matched with the terminal unit is carried in RRC information.
I.e. terminal unit preserves the identification information of the dedicated network for receiving and does not have the TAI/RAI values broadcasted.And
TAU request process is triggered again.The mark of dedicated network is carried in the RRC information of the second base station is sent to
Knowledge information, the second base station select the mesh in dedicated network according to the terminal unit that is designated of the dedicated network for receiving
Mark network node (MME/SGSN).
As shown in figure 8, being described in detail for the concrete application scene of the third embodiment of the present invention：
S6, terminal unit there occurs the switching from first network node to the second network node；
S7, terminal unit change the network node of service, trigger TAU processes；
S8, the second network node determine terminal unit is redirected in dedicated network, connect in the TAU for returning
Receive the mark MMEGI for the including dedicated network and TAI for not having broadcast in message；
S9, terminal unit trigger TAU processes again, carry in the RRC information of the second base station is sent to
MMEGI。
S10, the second base station are found dedicated network according to MMEGI, and are selected for terminal unit in the private network
Select target network node MME；
TAU request messages are sent to target network node by S11, the second base station.
Fourth embodiment
In order to preferably realize above-mentioned purpose, as shown in figure 9, the fourth embodiment of the present invention also provides one kind
The method that terminal unit is redirected to dedicated network, is applied to the second base station, and the terminal unit is by first
Network node is switched to the second network node, and the first network node is connected with first base station, and described second
Network node is connected with the second base station, and methods described includes：
Step 41, the radio resource control RRC message that receiving terminal apparatus send, in the RRC information
Identification information comprising the dedicated network matched with the terminal unit；
Step 42, according to the identification information, it is determined that the target network node corresponding with the identification information；
The terminal unit is redirected to the target network node by step 43.
In the fourth embodiment of the present invention, the second base station is the new access base station of terminal unit, and the second base station receives
RRC information in comprising dedicated network identification information, then second base station can be determined according to identification information
Dedicated network, so that it is determined that target network node；Wherein, the target network node and the second network section
Point is connected with second base station.After determining target network node, then control terminal equipment resets for base station
To target network node.
Further, in the fourth embodiment of the present invention, step 43 includes：
The initial information of the terminal unit and tracing section updating request are sent to the target network by step 431
Network node, controls the terminal unit and accesses the target network node.
To sum up, terminal unit is redirected in the method for dedicated network by the embodiment of the present invention, terminal unit
The identification information of the dedicated network matched with terminal unit is obtained and preserve, and the free time is returned in terminal unit then
Initiating updating of tracking area process during state, and the identification information of dedicated network is included in RRC information is sent to
Base station so that base station is that terminal unit selects mesh corresponding with dedicated network according to the identification information of dedicated network
Mark network node, so as to terminal unit is redirected to target network node；Realize that process is simple, and simplify
Terminal unit and the interaction flow of network, improve switching efficiency.
5th embodiment
In order to preferably realize above-mentioned purpose, as shown in Figure 10, the 5th embodiment of the invention also provides one kind
Terminal unit, the terminal unit are switched to the second network node, the first network by first network node
Node is connected with first base station, and second network node is connected with the second base station, and described device includes：
Receiver module 51, for receiving the private network matched with the terminal unit that the second network node sends
The identification information of network；
Sending module 52, for after the terminal unit returns to Idle state during initiating updating of tracking area, by institute
The identification information for stating dedicated network is sent to second base station, and the identification information of the dedicated network is used to refer to
Show that the terminal unit is redirected to the target network node corresponding with the identification information by second base station.
Specifically, receiver module 51 described in the fifth embodiment of the present invention includes：
First receiving submodule, for, after the completion of terminal unit switching, receiving the second network node and sending out
Mark GUTI of the terminal unit for sending reassigns request；Wherein, the GUTI carry in reassigning request with
The identification information of the dedicated network of the terminal unit matching；
Second receiving submodule, reassigns request response, institute for sending GUTI to second network node
GUTI reassignment request responses are stated for representing that it is whether successful that GUTI is reassigned.
Specifically, receiver module 51 described in the fifth embodiment of the present invention includes：
3rd receiving submodule, for, in the terminal unit handoff procedure, sending to the second network node
Tracing section updating is asked；
4th receiving submodule, receives for receiving the tracing section updating request that second network node sends
Information, carries what the terminal unit was matched with the terminal unit in the tracing section updating request receive information
The identification information of dedicated network.
Specifically, sending module 52 described in the fifth embodiment of the present invention includes：
First sending submodule, for, after the GUTI reassigns success, receiving the second network node and sending
The release terminal unit resource order, the terminal unit returns to Idle state；
Second sending submodule, it is for initiating updating of tracking area and wireless what is sent to second base station
The identification information of the dedicated network matched with the terminal unit is carried in resources control RRC information.
Specifically, sending module 52 described in the fifth embodiment of the present invention includes：
3rd sending submodule, for completing after the tracing section updating, receives what the second network node sent
The order of the resource of the terminal unit is discharged, the terminal unit returns to Idle state；
4th sending submodule, for initiating updating of tracking area again, and is sending to second base station
The identification information of the dedicated network matched with the terminal unit is carried in radio resource control RRC message.
Specifically, the identification information of dedicated network described in the fifth embodiment of the present invention is mobile management entity
One or combination in the group mark of the group mark or Serving GPRS Support Node SGSN of MME.
Specifically, the trigger message that tracing section updating is triggered described in the fifth embodiment of the present invention is non-broadcasting
Tracking area identification TAI or Non-Broadcast Multicast Access Routing Area Identifier RAI.
It should be noted that the terminal unit that the fifth embodiment of the present invention is provided is set terminal using above-mentioned
The terminal unit of the standby method for being redirected to dedicated network, then all embodiments of said method are suitable for being somebody's turn to do
Terminal unit, and can reach same or analogous beneficial effect.
Sixth embodiment
In order to preferably realize above-mentioned purpose, the sixth embodiment of the present invention provides a kind of terminal unit, described
Terminal unit is switched to the second network node, the first network node and first base station by first network node
Connection, second network node are connected with the second base station, and the terminal unit includes：
Processor；And the memorizer being connected with the processor by EBI, the memorizer use
In program and the data used when operation is performed by the processor are stored, when processor is called and performs institute
When the program stored in stating memorizer and data, following functional module is realized：
Receiver module, for receiving the dedicated network matched with the terminal unit that the second network node sends
Identification information；
Sending module, for after the terminal unit returns to Idle state during initiating updating of tracking area, will be described
The identification information of dedicated network is sent to second base station, and the identification information of the dedicated network is used to indicate
Second base station terminal unit is redirected to into the target network node corresponding with the identification information.
It should be noted that the terminal unit that the sixth embodiment of the present invention is provided is set terminal using above-mentioned
The terminal unit of the standby method for being redirected to dedicated network, then all embodiments of said method are suitable for being somebody's turn to do
Terminal unit, and can reach same or analogous beneficial effect.
7th embodiment
In order to preferably realize above-mentioned purpose, as shown in figure 11, the seventh embodiment of the present invention also provides one kind
Base station, including：
Message reception module 71, it is for the radio resource control RRC message that receiving terminal apparatus send, described
Identification information comprising the dedicated network matched with the terminal unit in RRC information；
Determining module 72, for according to the identification information, it is determined that the target network corresponding with the identification information
Network node；
Redirection module 73, for the terminal unit is redirected to the target network node.
Specifically, redirection module 73 described in the seventh embodiment of the present invention includes：
Submodule is redirected, for the initial information of the terminal unit and tracing section updating request are sent to
The target network node, controls the terminal unit and accesses the target network node.
It should be noted that the base station that the seventh embodiment of the present invention is provided is by terminal unit weight using above-mentioned
The base station of the method for dedicated network is directed to, then the above-mentioned method that terminal unit is redirected to dedicated network
All embodiments are applied to the base station, and can reach same or analogous beneficial effect.
8th embodiment
In order to preferably realize above-mentioned purpose, the eighth embodiment of the present invention also provides a kind of base station, including：
Processor；And the memorizer being connected with the processor by EBI, the memorizer use
In program and the data used when operation is performed by the processor are stored, when processor is called and performs institute
When the program stored in stating memorizer and data, following functional module is realized：
Message reception module, it is for the radio resource control RRC message that receiving terminal apparatus send, described
Identification information comprising the dedicated network matched with the terminal unit in RRC information；
Determining module, for according to the identification information, it is determined that the objective network corresponding with the identification information
Node；
Redirection module, for the terminal unit is redirected to the target network node.
It should be noted that the base station that the eighth embodiment of the present invention is provided is by terminal unit weight using above-mentioned
The base station of the method for dedicated network is directed to, then the above-mentioned method that terminal unit is redirected to dedicated network
All embodiments are applied to the base station, and can reach same or analogous beneficial effect.
The above is the preferred embodiment of the present invention, it is noted that for the common skill of the art
For art personnel, on the premise of without departing from principle of the present invention, some improvements and modifications can also be made,
These improvements and modifications also should be regarded as protection scope of the present invention.
Claims (22)
1. a kind of method that terminal unit is redirected to into dedicated network, it is characterised in that the terminal unit
Second network node is switched to by first network node, the first network node is connected with first base station, institute
State the second network node to be connected with the second base station, methods described includes：
Receive the identification information of the dedicated network matched with the terminal unit of the second network node transmission；
After the terminal unit returns to Idle state during initiating updating of tracking area, by the mark of the dedicated network
Information is sent to second base station, and the identification information of the dedicated network is used to indicate that second base station will
The terminal unit is redirected to the target network node corresponding with the identification information.
2. the method that terminal unit is redirected to dedicated network according to claim 1, its feature exist
In methods described also includes：
Receive the trigger message of a triggering tracing section updating of the second network node transmission；The trigger message is used
The terminal unit initiating updating of tracking area of Idle state is returned in triggering.
3. the method that terminal unit is redirected to dedicated network according to claim 1, its feature exist
In the identification information for receiving the dedicated network matched with the terminal unit that the second network node sends
The step of include：
After the completion of terminal unit switching, the mark of the terminal unit that the second network node sends is received
GUTI reassigns request；Wherein, the GUTI carries what is matched with the terminal unit in reassigning request
The identification information of dedicated network；
GUTI is sent to second network node and reassigns request response, the GUTI reassigns request and rings
It is applied to represent whether GUTI is reassigned successful.
4. the method that terminal unit is redirected to dedicated network according to claim 1, its feature exist
In the identification information for receiving the dedicated network matched with the terminal unit that the second network node sends
The step of include：
In the terminal unit handoff procedure, tracing section updating request is sent to the second network node；
Receive the tracing section updating request receive information that second network node sends, the tracing section updating
The identification information of the dedicated network that the terminal unit is matched with the terminal unit is carried in request receive information.
5. the method that terminal unit is redirected to dedicated network according to claim 3, its feature exist
In after the terminal unit returns to Idle state during initiating updating of tracking area, by the mark of the dedicated network
The step of information is sent to second base station includes：
After the GUTI reassigns success, the release terminal unit that the second network node sends is received
The order of resource, the terminal unit return to Idle state；
Initiating updating of tracking area, and take in the radio resource control RRC message sent to second base station
The identification information of the dedicated network that band is matched with the terminal unit.
6. the method that terminal unit is redirected to dedicated network according to claim 4, its feature exist
In, it is described after the terminal unit returns to Idle state during initiating updating of tracking area, by the dedicated network
The step of identification information is sent to second base station includes：
After completing the tracing section updating, the money of the release terminal unit that the second network node sends is received
The order in source, the terminal unit return to Idle state；
Initiating updating of tracking area again, and in the radio resource control RRC message sent to second base station
The middle identification information for carrying the dedicated network matched with the terminal unit.
7. the method that terminal unit is redirected to dedicated network according to any one of claim 1, its
It is characterised by, the identification information of the dedicated network is identified or service for the group of mobile management entity MME
One or combination in the group mark of GPRS Support Node SGSN.
8. the method that terminal unit is redirected to dedicated network according to any one of claim 2, its
It is characterised by, the trigger message of the triggering tracing section updating is Non-Broadcast Multicast Access tracking area identification TAI or non-wide
The Routing Area Identifier RAI for broadcasting.
9. a kind of method that terminal unit is redirected to into dedicated network, it is characterised in that the terminal unit
Second network node is switched to by first network node, the first network node is connected with first base station, institute
State the second network node to be connected with the second base station, methods described includes：
The radio resource control RRC message that receiving terminal apparatus send, comprising described in the RRC information
The identification information of the dedicated network matched with the terminal unit；
According to the identification information, it is determined that the target network node corresponding with the identification information；
The terminal unit is redirected to into the target network node.
10. the method that terminal unit is redirected to dedicated network according to claim 9, its feature exist
In including the step of the terminal unit is redirected to the purpose network node：
The initial information of the terminal unit and tracing section updating request are sent to into the target network node,
Control the terminal unit and access the target network node.
11. a kind of terminal units, it is characterised in that the terminal unit is switched to second by first network node
Network node, the first network node are connected with first base station, second network node and the second base station
Connection, described device include：
Receiver module, for receiving the dedicated network matched with the terminal unit that the second network node sends
Identification information；
Sending module, for after the terminal unit returns to Idle state during initiating updating of tracking area, will be described
The identification information of dedicated network is sent to second base station, and the identification information of the dedicated network is used to indicate
Second base station terminal unit is redirected to into the target network node corresponding with the identification information.
12. terminal units according to claim 11, it is characterised in that the terminal unit also includes：
Triggering receiver module, for receiving the triggering letter of the triggering tracing section updating that the second network node sends
Breath；The trigger message returns to the terminal unit initiating updating of tracking area of Idle state for triggering.
13. terminal units according to claim 11, it is characterised in that the receiver module includes：
First receiving submodule, for, after the completion of terminal unit switching, receiving the second network node and sending out
Mark GUTI of the terminal unit for sending reassigns request；Wherein, the GUTI carry in reassigning request with
The identification information of the dedicated network of the terminal unit matching；
Second receiving submodule, reassigns request response, institute for sending GUTI to second network node
GUTI reassignment request responses are stated for representing that it is whether successful that GUTI is reassigned.
14. terminal units according to claim 11, it is characterised in that the receiver module includes：
3rd receiving submodule, for, in the terminal unit handoff procedure, sending to the second network node
Tracing section updating is asked；
4th receiving submodule, receives for receiving the tracing section updating request that second network node sends
Information, carries what the terminal unit was matched with the terminal unit in the tracing section updating request receive information
The identification information of dedicated network.
15. terminal units according to claim 13, it is characterised in that the sending module includes：
First sending submodule, for, after the GUTI reassigns success, receiving the second network node and sending
The release terminal unit resource order, the terminal unit returns to Idle state；
Second sending submodule, it is for initiating updating of tracking area and wireless what is sent to second base station
The identification information of the dedicated network matched with the terminal unit is carried in resources control RRC information.
16. terminal units according to claim 14, it is characterised in that the sending module includes：
3rd sending submodule, for completing after the tracing section updating, receives what the second network node sent
The order of the resource of the terminal unit is discharged, the terminal unit returns to Idle state；
4th sending submodule, for initiating updating of tracking area again, and is sending to second base station
The identification information of the dedicated network matched with the terminal unit is carried in radio resource control RRC message.
17. terminal units according to claim 11, it is characterised in that the mark of the dedicated network
In group mark of the information for the group mark or Serving GPRS Support Node SGSN of mobile management entity MME
One or combination.
18. terminal units according to claim 11, it is characterised in that the triggering tracing section updating
Trigger message be Non-Broadcast Multicast Access tracking area identification TAI or Non-Broadcast Multicast Access Routing Area Identifier RAI.
19. a kind of terminal units, it is characterised in that the terminal unit is switched to second by first network node
Network node, the first network node are connected with first base station, second network node and the second base station
Connection, the terminal unit include：
Processor；And the memorizer being connected with the processor by EBI, the memorizer use
In program and the data used when operation is performed by the processor are stored, when processor is called and performs institute
When the program stored in stating memorizer and data, following functional module is realized：
Receiver module, for receiving the dedicated network matched with the terminal unit that the second network node sends
Identification information；
Sending module, for after the terminal unit returns to Idle state during initiating updating of tracking area, will be described
The identification information of dedicated network is sent to second base station, and the identification information of the dedicated network is used to indicate
Second base station terminal unit is redirected to into the target network node corresponding with the identification information.
20. a kind of base stations, it is characterised in that include：
Message reception module, it is for the radio resource control RRC message that receiving terminal apparatus send, described
Identification information comprising the dedicated network matched with the terminal unit in RRC information；
Determining module, for according to the identification information, it is determined that the objective network corresponding with the identification information
Node；
Redirection module, for the terminal unit is redirected to the target network node.
21. base stations according to claim 20, it is characterised in that the redirection module includes：
Submodule is redirected, for the initial information of the terminal unit and tracing section updating request are sent to
The target network node, controls the terminal unit and accesses the target network node.
22. a kind of base stations, it is characterised in that include：
Processor；And the memorizer being connected with the processor by EBI, the memorizer use
In program and the data used when operation is performed by the processor are stored, when processor is called and performs institute
When the program stored in stating memorizer and data, following functional module is realized：
Message reception module, it is for the radio resource control RRC message that receiving terminal apparatus send, described
Identification information comprising the dedicated network matched with the terminal unit in RRC information；
Determining module, for according to the identification information, it is determined that the objective network corresponding with the identification information
Node；
Redirection module, for the terminal unit is redirected to the target network node.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510670518.0A CN106572507B (en) | 2015-10-13 | 2015-10-13 | Terminal device is redirected to method, terminal device and the base station of dedicated network |
| PCT/CN2016/095279 WO2017063445A1 (en) | 2015-10-13 | 2016-08-15 | Method of redirecting terminal equipment to dedicated network, terminal equipment and base station |
| TW105127657A TWI638576B (en) | 2015-10-13 | 2016-08-29 | Method for redirecting terminal equipment to private network, terminal equipment and base station |
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| CN201510670518.0A CN106572507B (en) | 2015-10-13 | 2015-10-13 | Terminal device is redirected to method, terminal device and the base station of dedicated network |
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| CN115484659A (en) * | 2019-05-06 | 2022-12-16 | 腾讯科技（深圳）有限公司 | Network access control method and device, computer readable medium and electronic equipment |
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| CN109428789B (en) * | 2017-08-22 | 2022-02-01 | 成都鼎桥通信技术有限公司 | Message processing method and device |
| CN111278034B (en) * | 2020-01-21 | 2022-08-12 | 北京佰才邦技术股份有限公司 | Information backup method and device, storage medium and computer equipment |
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| TW201714481A (en) | 2017-04-16 |
| CN106572507B (en) | 2019-08-30 |
| TWI638576B (en) | 2018-10-11 |
| WO2017063445A1 (en) | 2017-04-20 |
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Effective date of registration: 20210615 Address after: 100085 1st floor, building 1, yard 5, Shangdi East Road, Haidian District, Beijing Patentee after: DATANG MOBILE COMMUNICATIONS EQUIPMENT Co.,Ltd. Address before: 100191 No. 40, Haidian District, Beijing, Xueyuan Road Patentee before: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY |
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