CN108882364A - A kind of processing method and processing device that UE Idle state AMF changes - Google Patents
A kind of processing method and processing device that UE Idle state AMF changes Download PDFInfo
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- CN108882364A CN108882364A CN201710318466.XA CN201710318466A CN108882364A CN 108882364 A CN108882364 A CN 108882364A CN 201710318466 A CN201710318466 A CN 201710318466A CN 108882364 A CN108882364 A CN 108882364A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
- H04W68/02—Arrangements for increasing efficiency of notification or paging channel
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
- H04W68/005—Transmission of information for alerting of incoming communication
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Abstract
The invention discloses the processing method and processing devices that a kind of access of UE Idle state and mobile management function to ps domain AMF change, wherein the method includes：When the UE is in Idle state, 5G Radio Access Network 5G RAN receives the paging message of the UE, wherein, the identification information for characterizing the AMF of UE described in current service is included at least in the paging message, with the temporary identifier information of the UE, wherein, the temporary identifier information is distributed by the old AMF for previously servicing the UE；The 5G RAN pages the UE by the temporary identifier information；The corresponding AMF of identification information for the AMF that the page-response message for receiving the UE is sent UE described in current service by the 5G RAN.Realize the technical effect that the page-response message of UE is simply and efficiently sent to the AMF of current service UE.
Description
Technical field
The present invention relates to field of communication technology, in particular to a kind of processing method and processing device of UE Idle state AMF change.
Background technique
The deployment of virtual network environment is supported in expectation in 5G system, the extension of network function example in virtual network environment,
Migration dynamically increases and deletes very universal.Network between 5G system structure expected data central interior or data center
The interaction of same terminal device UE is avoided when creation, deletion or the movement of function.For example, service should when UE is in idle condition
The access of UE and mobile management function to ps domain AMF (Access and Mobility Management Function, i.e. AMF) are sent out
Change is given birth to, at this moment network not will be updated the contextual information of user equipment (User Equipment, i.e. UE), such as 5G-GUTI
(i.e. the unique interim UE mark in the whole world 5G, Globally Unique Temporary UE Identity) etc., but by the upper of UE
Context information is transmitted to the AMF of the current service UE after changing.At this point, network, that is, current service UE AMF will not actively be sought
Exhale UE.
Specifically, relevant protocol specification is given in 120 meetings of 3GPP SA2.Wherein, the format of 5G-GUTI：
<5G-GUTI>:=<MCC><MNC><AMF Group ID><AMF ID><NG-TMSI>.Wherein, MCC Mobile
Country Code, Mobile Country Code MCC.MNC is Mobility Network Code, Mobile Network Code.<AMF Group ID>
Identify the group of an AMF.<AMF ID>An AMF in AMF group is identified, and an AMF can support multiple AMF ID.NG-
TMSI is Next Genaration-Temporary Mobile Subscriber Identity, next-generation temporarily moved subscriber
Mark, specifically, NG-TMSI uniquely determines a UE in AMF group.
5G-GUTI is specified by AMF, and AMF can specify a new 5G-GUTI again at any time.AMF can also be with
The new 5G-GUTI of delayed updating UE, until between next UE and network NAS (Non-Access Stratum, it is non-access
Layer) interactive process affairs.
N2AP UE association (N2AP UE association) is defined as logic of each UE between 5G RAN and AMF and closes
Connection.
N2AP UE-TNLA-binding (N2AP UE-TNLA binding) is defined as N2AP UE association and specific
TNL (Transport Network Layer, transport network layer) association binding.The 5G indicated based on reference point
It is N1 interface between UE and AMF in network structure, is N2 interface between 5G RAN and AMF.In the prior art, if AMF is sent out
Give birth to change, including AMF instance (AMF example) or AMF computer resource (AMF computing resource, for example,
Virtual machine VM) it changes, there are the following methods for changing N2AP UE-TNLA-binding, and further, AMF is carried out in next step
Processing.Specifically：
Method one, old AMF instance select new AMF instance, by context transfer, new AMF
Instance can create new N2AP UE association, then 5G RAN be notified to carry out N2AP UE association
Update；
Method two, the computer resource (computing resource, for example, virtual machine VM) in AMF change, and AMF is logical
Know that 5G RAN re-starts N2AP UE association and specified TNL association (Transport
NetworkLayer association, transport network layer association) binding；
Method three, the computer resource (VM) in AMF change, and AMF notifies 5G RAN to discharge current N2AP
The binding of UE association and TNL association, when next 5G RAN being waited to have UL (Uplink, uplink) message, 5G
RAN randomly chooses a TNL association relevant to AMF, and binds with current N2AP UE association.
In addition, if AMF instance or AMF resource change, being often used when UE is in Idle state
Following methods processing：
After 5G RAN receives initial NAS affairs, according to the AMF ID in 5G-GUTI, determination is relevant to the AMF ID
Then TNL association therefrom randomly chooses a TNL association and establishes and N2AP UE
The N2AP UE-TNLA-binding, subsequent AMF of association can carry out the modification of N2AP UE-TNLA-binding,
Notice 5G RAN re-starts the binding of N2AP UE association and specified TNL association.
As it can be seen that in the prior art, when UE is in Idle state, once the AMF for servicing the UE is changed, being such as based on
The reason of load balancing, caused AMF changed, and caused to service AMF-1 for the UE, changed into AMF-2, and the AMF of UE service
AMF identification information is changed.When UE executes Service Request (service request) or period register update
When (Periodic Registration Update), the 5G-GUTI information that 5G RAN is provided according to UE determines the service of UE
AMF is AMF-1ID.Then, since the AMF of UE current service has been AMF-2, the NAS message of this uplink needs weight
New routing, gets to AMF-2.That is, the prior art exists when UE is in Idle state, once the AMF hair of service UE
Raw to change, there are the page-response messages of UE by the identification information for being first sent to the AMF in a Geju City (characterizing old AMF), then
The problem of being rerouted to identification information (the characterizing new AMF) of new AMF again will further postpone related signaling process, and
Unnecessary message is led to problems such as to route.
Summary of the invention
The embodiment of the present invention provides a kind of processing method and processing device that UE Idle state AMF changes, for solving the prior art
In when UE is in Idle state, once service UE AMF change, there are the page-response messages of UE will first be sent to one
The identification information (characterizing old AMF) of the AMF in Geju City, is then rerouted to asking for new AMF identification information (characterizing new AMF) again
Topic will further postpone related signaling process, and unnecessary message is led to problems such as to route, and effectively prevent above-mentioned ask
Topic, and realize the technical effect that the page-response message of UE is simply and efficiently sent to the AMF of current service UE.
On the one hand, the embodiment of the present application provides a kind of processing method that UE Idle state AMF changes, including：
When the UE is in Idle state, 5G Radio Access Network 5G RAN receives the paging message of the UE, wherein
It includes at least in the paging message for characterizing the identification information of the AMF of UE described in current service and the interim mark of the UE
Know information, wherein the temporary identifier information is distributed by the old AMF for previously servicing the UE；
The 5G RAN pages the UE by the temporary identifier information；
The 5G RAN sends the page-response message for receiving the UE to the AMF of UE described in the current service
The corresponding AMF of identification information.
Optionally, the method also includes：
If carrying the identification information of the AMF of UE described in current service in the paging message, the 5G RAN storage
Mapping relations between the identification information and the temporary identifier information of the AMF for characterizing UE described in current service；
The 5G RAN is based on the mapping relations, and the page-response message is sent to UE described in current service
AMF。
Optionally, the 5G RAN is based on the mapping relations, and the page-response message is sent to current service institute
The AMF for stating UE, specifically includes：
The 5G RAN determines the identification information of the AMF of UE described in current service by the mapping relations；
The 5G RAN determines that transport network layer corresponding with the AMF identification information of UE described in current service is associated with TNL
association；
The page-response message is sent to new AMF by the TNL association by the 5G RAN.
Optionally, if carrying the identification information of the AMF of UE described in current service, the 5G in the paging message
The identification information for characterizing the AMF of UE described in current service and the temporary identifier information are at least passed through the paging by RAN simultaneously
Message is sent to the UE.
Optionally, the UE receives the paging message, and the identification information for characterizing the AMF of UE described in current service is led to
It crosses the page-response message and is sent to the 5G RAN.
On the other hand, the embodiment of the present application provides a kind of access of UE Idle state and mobile management function to ps domain AMF changes
AMF device, including：
The AMF of UE described in current service, for sending the paging message of the UE, wherein in the paging message at least
The temporary identifier information of identification information and the UE including the AMF for characterizing UE described in current service, wherein described to face
When identification information distributed by the old AMF for previously servicing the UE；
The 5G RAN pages the UE for receiving the paging message, and by the temporary identifier information, and will
The corresponding AMF of identification information for the AMF that the page-response message for receiving the UE is sent to UE described in current service.
Optionally, the 5G RAN is also used to：
If carrying the identification information of the AMF of UE described in current service in the paging message, the 5G RAN storage
Mapping relations between the identification information and the temporary identifier information of the AMF for characterizing UE described in current service；
Based on the mapping relations, the page-response message is sent to the AMF of UE described in current service.
Optionally, the 5G RAN is also used to：
If carrying the identification information of the AMF of UE described in current service in the paging message, the 5G RAN is at least
The identification information for characterizing the AMF of UE described in current service and the temporary identifier information are passed through the paging message simultaneously to send
To the UE.
On the other hand, the embodiment of the present application provides a kind of computer installation, and the computer installation includes processor, institute
State the step of processor is for realizing the method as described above when executing the computer program stored in memory.
On the other hand, the embodiment of the present application provides a kind of computer readable storage medium, including instruction, works as described instruction
When running on computers, so that the computer executes method as described above.
Said one or multiple technical solutions in the embodiment of the present application at least have following one or more technology effects
Fruit：
In the technical solution of the embodiment of the present application, when the UE is in Idle state, 5G Radio Access Network 5G RAN
Receive the paging message of the UE, wherein the AMF for characterizing UE described in current service is included at least in the paging message
Identification information and the UE temporary identifier information, wherein the temporary identifier information was by previously servicing the old of the UE
AMF distribution；The 5G RAN pages the UE by the temporary identifier information；The 5G RAN will receive seeking for the UE
Response message is exhaled to be sent to the corresponding AMF of identification information of the AMF of UE described in the current service.That is, being in UE
Idle state adds the temporary identifier information of the identification information and UE that service the AMF of the UE when servicing the AMF of the UE and changing
Enter to paging message, so that 5G RAN obtains the identification information for servicing the UE, the page-response message of the transmission of UE is sent out
AMF (AMF after servicing the change of the UE) corresponding with the service identification information of the UE is sent to even if realizing UE is in sky
Not busy state can be identified when the AMF for servicing UE changes to avoid the page-response message of UE is rerouted to new AMF
Information further avoids the delay of related signaling, can even if UE is in Idle state, and when the AMF for servicing UE changes
The page-response message of UE is simply and efficiently sent to the technical effect of the AMF of current service UE.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, will be described below to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention some
Embodiment.
Fig. 1 is that a kind of UE Idle state access provided in the embodiment of the present application one and mobile management function to ps domain AMF change
The method flow diagram of processing method；
Fig. 2 is that a kind of UE Idle state access provided in the embodiment of the present application one and mobile management function to ps domain AMF change
The method flow diagram of the first implementation in processing method；
Fig. 3 is that a kind of UE Idle state access provided in the embodiment of the present application one and mobile management function to ps domain AMF change
In processing method in the first implementation step S202 method flow diagram；
Fig. 4 is that a kind of UE Idle state access provided in the embodiment of the present application one and mobile management function to ps domain AMF change
Method flow diagram in processing method after step slol；
Fig. 5 is that a kind of UE Idle state access provided in the embodiment of the present application one and mobile management function to ps domain AMF change
Entire method flow diagram provided by the first implementation in processing method；
Fig. 6 is a kind of UE Idle state access that the embodiment of the present application one provides and the place that mobile management function to ps domain AMF changes
Entire method flow diagram provided by second of implementation in reason method；
Fig. 7 is a kind of UE Idle state access that the embodiment of the present application two provides and the AMF that mobile management function to ps domain AMF changes
The structural block diagram of device.
Specific embodiment
The embodiment of the present invention provides a kind of processing method and processing device that UE Idle state AMF changes, for solving the prior art
In when UE is in Idle state, once the identification information of AMF of service UE changes, there are the page-response messages of UE will be first
The problem of being sent to the identification information (i.e. old AMF) of the AMF in a Geju City, being then rerouted to new AMF identification information again,
Related signaling process will further be postponed, and unnecessary message is led to problems such as to route, effectively prevent the above problem, and
Realize the technical effect that the page-response message of UE is simply and efficiently sent to the AMF of current service UE.
In order to solve the above technical problems, general thought is as follows for technical solution in the embodiment of the present application：
When the UE is in Idle state, 5G Radio Access Network 5G RAN receives the paging message of the UE, wherein
If the AMF for servicing the UE is changed, include at least in the paging message for characterizing UE described in current service
The temporary identifier information of the identification information of AMF and the UE, wherein the temporary identifier information was by previously servicing the UE's
Old AMF distribution, so that the AMF of UE described in the 5G RAN or the current service, is paged by the temporary identifier information
The UE；
The identification information of the AMF of the 5G RAN based on UE described in current service, will receive the page response of the UE
Message is sent to corresponding AMF.
In the technical solution of the embodiment of the present application, when the UE is in Idle state, if servicing the AMF hair of the UE
Change has been given birth to, will have been included at least in the paging message of the UE received by 5G Radio Access Network 5G RAN and be used to characterize currently
Service the identification information of the AMF of the UE and the temporary identifier information of the UE, wherein the temporary identifier information is by previous
The old AMF distribution of the UE is serviced, so that the AMF of UE described in the 5G RAN or the current service, by described interim
Identification information pages the UE；Further, the identification information of the AMF of the 5G RAN based on UE described in current service, will connect
The service request information for receiving the UE is sent to corresponding AMF, that is to say, that is in Idle state in UE, is somebody's turn to do in service
When the AMF of UE changes, the temporary identifier information of the identification information and UE that service the AMF of the UE is added to paging message,
So that 5G RAN obtains the identification information for servicing the UE, sends the page-response message of the transmission of UE to and service the UE
The corresponding AMF of identification information (AMF after servicing the change of the UE) even if realizing UE be in Idle state, in service UE
When AMF changes, it can be further avoided to avoid the service request information of UE to be rerouted to new AMF identification information
The delay of related signaling can simply and efficiently by UE even if UE is in Idle state, and when the AMF for servicing UE changes
Page-response message be sent to current service UE AMF technical effect.
Embodiment one
Referring to FIG. 1, the embodiment of the present application one provides a kind of access of UE Idle state and mobile management function to ps domain AMF changes
Processing method, including：
S101：When the UE is in Idle state, 5G Radio Access Network 5G RAN receives the paging message of the UE,
Wherein, it includes at least in the paging message for characterizing the identification information of the AMF of UE described in current service and facing for the UE
When identification information, wherein the temporary identifier information is distributed by the old AMF for previously servicing the UE；
S102：The 5G RAN pages the UE by the temporary identifier information；
S103：The 5G RAN sends UE's described in the current service for the page-response message for receiving the UE
The corresponding AMF of the identification information of AMF.
In the specific implementation process, step S101 to step S103's the specific implementation process is as follows：
Firstly, network side equipment triggers AMF and initiates UE paging when UE is in Idle state, it is based on for example, can be
Downlink data triggers AMF and initiates UE paging, can also be that based on SMS over NAS message triggering AMF initiates UE and paged
Journey can also be and initiate UE paging, etc. based on downlink NAS message triggering AMF, just different one has been illustrated herein.
Specifically, the 5G RAN in all RAN nodes of the AMF into UE current TAI list (tracking area list) sends paging and disappears
Breath, wherein if the AMF of current service UE is changed, include at least in the paging message for characterizing current service
The temporary identifier information of the identification information of the AMF of the UE and the UE, wherein the temporary identifier information is by previously servicing
The AMF of the UE is distributed, such as by the old 5G-GUTI of previous old AMF distribution.In the specific implementation process, the AMF
Identification information be specifically as follows UE described in current service AMF itself AMF ID, can also be for UE's described in current service
AMF is AMF ID obtained in the temporary identifier of UE distribution, such as the AMF extracted from temporary identifier 5G-GUTI
ID, etc., those skilled in the art, which can according to need, carries various types of identification informations in the paging message, herein
Just do not repeat one by one.The temporary identifier information is distributed by the old AMF for previously servicing the UE, is distributed than AMF as usual
Old 5G GUTI, etc..That is, be in Idle state as UE, when the AMF of current service UE changes, for example UE works as
Preceding service AMF becomes AMF-2 from AMF-1, and the identification information of the AMF after changing is carried in the paging message.
Then, the 5G RAN pages the UE by the temporary identifier information.For example, 5G RAN passes through old 5G
GUTI pages the UE.At this point, the UE is to be paged UE.Further, the UE sends page response and disappears due to being paged
Breath is to the 5G RAN, AMF that the 5G RAN will receive the page-response message and be sent to UE described in current service
The corresponding AMF of identification information.Wherein, the page-response message is specifically as follows service request (Service Request) and disappears
Breath, Service Request NAS message, etc..
It, can in the embodiment of the present application in order to guarantee that UE is in Idle state, and when the AMF of current service UE changes
The page-response message of UE is simply and efficiently sent to the AMF of current service UE, avoids the delay of related signaling, can be used
Following two implementation, but it is not limited only to following two implementation.
The first implementation
The first implementation is specially 5G RAN storage UE temporary identifier information and the mark letter of the AMF of current service UE
Mapping relations between breath determine AMF new corresponding to the identification information of the AMF of current service UE based on mapping relations.Tool
For body, as shown in Fig. 2, the first implementation specifically includes following steps：
S201：If carrying the identification information of the AMF of UE described in current service, the 5G RAN in the paging message
Mapping between the storage identification information and the temporary identifier information for the AMF for characterizing UE described in current service is closed
System；
S202：The 5G RAN is based on the mapping relations, and the page-response message is sent to described in current service
The AMF of UE.
In the specific implementation process, step S201 to step S202's the specific implementation process is as follows：
Firstly, if carrying the identification information of the AMF of UE described in current service, the 5G RAN in the paging message
Mapping between the storage identification information and the temporary identifier information for the AMF for characterizing UE described in current service is closed
System.In the specific implementation process, the identification information (such as new AMF ID) of the UE described in the current service is serviced with from previous
The AMF (old AMF) of UE is to be paged the temporary identifier information of UE distribution if the AMF identification information extracted in 5G-GUTI is (as usual
AMF ID) it is inconsistent when, show that current service is paged the identification information of the AMF of UE and has changed.Wherein, which is to be sought
Exhale UE.After 5G RAN receives the paging message, if carrying UE's described in the current service in the paging message
The identification information of AMF, further, then 5G RAN stores the identification information of the AMF of UE described in the current service and described faces
When identification information between mapping relations.Specifically, after the UE receives the paging message, triggering UE sends paging
Response message.Further, the 5G RAN will receive the page-response message of the UE transmission.Then, the 5G
RAN is based on the map listing, and the identification information institute that the page-response message is sent to the AMF of UE described in current service is right
The AMF (i.e. new AMF) answered.To when the UE be in Idle state can when the AMF of UE described in current service changes
Effectively to avoid the page-response message of the UE from being sent to the AMF in a Geju City.
In the embodiment of the present application, in order to further ensure UE is in Idle state, once the AMF of current service UE changes,
The page-response message for being paged UE is sent to the AMF after changing, referring to FIG. 3, step S202：The 5G RAN is based on described
The page-response message is sent to the AMF of UE described in current service, specifically included by mapping relations：
S301：The 5G RAN determines the identification information of the AMF of UE described in current service by the mapping relations；
S302：The 5G RAN determines transport network layer association corresponding with the AMF identification information of UE described in current service
TNL association；
S303：The page-response message is sent to new by the 5G RAN by the TNL association
AMF。
In the specific implementation process, step S301 to step S303's the specific implementation process is as follows：
Firstly, being based on the mapping relations, the 5G RAN determines the mark for being paged the AMF of UE described in UE current service
Information, further, the 5G RAN determine that its corresponding AMF relevant transport network layer is associated with according to the identification information
TNL association, in the specific implementation process, qualified TNL association may have multiple.Then, from
A TNL association is randomly choosed in multiple TNL association, further establishes the TNL association
With the binding between N2AP UE association.Further, the 5G RAN will be by the TNL association, by institute
State the AMF (i.e. new AMF) that service request information is sent to UE described in current service by the binding.
In the embodiment of the present application, it in order to guarantee after new AMF receives the page-response message, triggers next
The Service Request process of step, in step S303：The 5G RAN is sought by the TNL association by described
Response message is exhaled to be sent to after new AMF, the method also includes：The AMF initiates UE configuration and updates (UE
Configuration Update) process.The process can be in the specific implementation process：The UE is updated by the AMF
Old 5G-GUTI, obtain updated 5G-GUTI, wherein updated 5G-GUTI include at least current service described in UE
AMF identification information (such as new corresponding AMF ID of AMF).That is, the AMF receives Service Request
After message, the Service Request process of next step is triggered, UE configuration more new technological process is started simultaneously at and further updates and be paged
The old 5G-GUTI of UE.
In the embodiment of the present application, in order to guarantee that the 5G RAN receives the paging for being paged UE and feeding back based on paging message
Response message, in step S101：When the UE is in Idle state, 5G Radio Access Network 5G RAN receives seeking for the UE
After exhaling message, referring to FIG. 4, the method also includes：
S401：The 5G RAN sends the paging message to the UE according to preset strategy；
S402：The UE is used to send the page-response message based on the paging message.
In the specific implementation process, step S401 to step S402's the specific implementation process is as follows：
After the 5G RAN receives the paging message, the 5G RAN will be described according to preset paging policy
Paging message is sent to the UE.Wherein, the paging policy specifically can be priority, which region UE is in, and wait default
Strategy.Certainly, those skilled in the art according to specific can also need that the preset strategy is arranged, herein just not one by one
It repeats.Then, after the UE receives the paging message, Service Request NAS message is triggered.
In the embodiment of the present application, it is based on foregoing detailed description, the method for the first realization side in the embodiment of the present application one
Flow chart is specifically as shown in Figure 5.Detailed description is carried out to each execution step in Fig. 5 due to above-mentioned, herein just not
It repeats one by one.
Second of implementation
Second of implementation be specially：If carrying the mark of the AMF of UE described in current service in the paging message
Information, then the 5G RAN at least will characterize current service described in UE AMF identification information and the temporary identifier information it is same
When the UE is sent to by the paging message.Then, the UE receives the paging message, will characterize current service institute
The identification information for stating the AMF of UE is sent to the 5G RAN by the page-response message.5G RAN in turn rings the paging
Message is answered to be sent to the AMF of current service UE.That is, new and old AMF is identified when the AMF of current service UE is paged to UE
It is sent to UE by paging, UE sends the page response information for carrying the AMF identification information of current service UE, 5G to 5G RAN
RAN and then determining TNL association, are further advanced by the TNL association and send the page-response message
To the AMF of current service UE., the method flow diagram of second of implementation is specifically as shown in Figure 6 in the embodiment of the present application one.It is right
Part steps in the detailed process of second of implementation have been described in detail in the first implementation, herein just not
It has been illustrated one by one.In addition, for those skilled in the art, can also be come as needed using other implementations
It realizes the AMF that the page-response message of UE is sent to current service UE, does not just repeat one by one herein.
Embodiment two
Based on inventive concept same as the embodiment of the present application one, referring to FIG. 7, the embodiment of the present application also provides one kind
The AMF device that the access of UE Idle state and mobile management function to ps domain AMF change, including：
The AMF10 of UE described in current service, for sending the paging message of the UE, wherein in the paging message extremely
It less include the temporary identifier information of the identification information and the UE for characterizing the AMF10 of UE described in current service, wherein institute
Temporary identifier information is stated to be distributed by the old AMF for previously servicing the UE；
5G RAN20 pages the UE for receiving the paging message, and by the temporary identifier information, and will connect
The corresponding AMF of identification information for the AMF10 that the page-response message for receiving the UE is sent to UE described in current service.
In present application example, 5G RAN 20 is also used to：
If carrying the identification information of the AMF of UE described in current service in the paging message, storage is described for characterizing
Mapping relations between the identification information of the AMF10 of UE described in current service and the temporary identifier information；
Based on the mapping relations, the page-response message is sent to the AMF10 of UE described in current service.
In present application example, 5G RAN 20 is also used to：
If carrying the identification information of the AMF of UE described in current service in the paging message, will at least characterize current
Service the AMF10 of the UE identification information and the temporary identifier information at the same pass through the paging message be sent to it is described
UE。
In present application example, 5G RAN 20 is also used to：
The identification information of the AMF of UE described in current service is determined by the mapping relations；
Determine that transport network layer corresponding with the identification information of the AMF10 of UE described in current service is associated with TNL
association；
The page-response message is sent to new AMF by the TNL association.
In present application example, 5G RAN 20 is also used to：
If carrying the identification information of the AMF of UE described in current service in the paging message, the 5G RAN is at least
The identification information for characterizing the AMF of UE described in current service and the temporary identifier information are passed through the paging message simultaneously to send
To the UE.In present application example, the AMF10 of UE described in current service is also used to：It initiates UE configuration and updates (UE
Configuration Update) process.Specifically, the 5G- of the UE is updated by the AMF10 of UE described in current service
GUTI obtains updated 5G-GUTI, wherein updated 5G-GUTI includes at least the AMF10's of UE described in current service
Identification information.
In present application example, 5G RAN 20 is also used to：
When the UE is in Idle state, after 5G RAN20 receives the paging message of the UE, 5G RAN 20 is also used
In：
The paging message is sent to the UE, so that the UE is used to send out based on the paging message according to preset strategy
Send the page-response message.
Said one or multiple technical solutions in the embodiment of the present application at least have following one or more technology effects
Fruit：
In the technical solution of the embodiment of the present application, when the UE is in Idle state, 5G Radio Access Network 5G RAN
Receive the paging message of the UE, wherein the AMF for characterizing UE described in current service is included at least in the paging message
Identification information and the UE temporary identifier information, wherein the temporary identifier information was by previously servicing the old of the UE
AMF distribution；The 5G RAN pages the UE by the temporary identifier information；The 5G RAN will receive seeking for the UE
Response message is exhaled to be sent to the corresponding AMF of identification information of the AMF of UE described in the current service.That is, being in UE
Idle state adds the temporary identifier information of the identification information and UE that service the AMF of the UE when servicing the AMF of the UE and changing
Enter to paging message, so that 5G RAN obtains the identification information for servicing the UE, the service request information of the transmission of UE is sent out
AMF (AMF after servicing the change of the UE) corresponding with the service identification information of the UE is sent to even if realizing UE is in sky
Not busy state can be identified when the AMF for servicing UE changes to avoid the service request information of UE is rerouted to new AMF
Information further avoids the delay of related signaling, can even if UE is in Idle state, and when the AMF for servicing UE changes
The service request information of UE is simply and efficiently sent to the technical effect of the AMF of current service UE.
In the technical solution of the embodiment of the present application, if carrying the AMF of UE described in current service in the paging message
Identification information, then the 5G RAN storage identification information for characterizing the AMF of UE described in current service and described face
When identification information between mapping relations；The 5G RAN is based on the mapping relations, and the page-response message is sent to
The AMF of UE described in current service, that is to say, that, will when the AMF of current service UE changes when UE is in Idle state
The temporary identifier information of the identification information of the AMF of UE described in current service and the UE are added in paging message, the 5G RAN
Store mapping relations between the two, the directly newest identification information of the AMF of progress current service UE and the previously AMF of service UE
The update of mapping relations between the old temporary identifier of distribution.Further, the 5G RAN is directly based upon the mapping relations, will
The page-response message is sent to the AMF (i.e. new AMF) of UE described in current service.Further, even if ensure that at UE
In Idle state, when the AMF of current service UE changes, a Geju City can be sent to avoid by the page-response message of UE
The corresponding old AMF of AMF identification information.It realizes when AMF changes, the page-response message of UE is quickly and efficiently sent out
Send the technical effect of the AMF to change.
The another aspect of the embodiment of the present invention provides a kind of computer installation, and the computer installation includes processor,
The processor is for realizing method described in above-mentioned various aspects when executing the computer program stored in memory.
The another aspect of the embodiment of the present invention provides a kind of computer readable storage medium, including instruction, when the finger
When order is run on computers, so that the computer executes method described in above-mentioned various aspects.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (8)
1. the processing method that a kind of UE Idle state access and mobile management function to ps domain AMF change, which is characterized in that including：
When the UE is in Idle state, 5G Radio Access Network 5G RAN receives the paging message of the UE, wherein described
The temporary identifier letter of the identification information and the UE for characterizing the AMF of UE described in current service is included at least in paging message
Breath, wherein the temporary identifier information is distributed by the old AMF for previously servicing the UE；
The 5G RAN pages the UE by the temporary identifier information；
The 5G RAN sends the page-response message for receiving the UE to the identification information of the AMF of UE described in current service
Corresponding AMF.
2. the method as described in claim 1, which is characterized in that the method also includes：
If carrying the identification information of the AMF of UE described in current service in the paging message, described in the 5G RAN storage
For characterizing the mapping relations between the identification information of the AMF of UE described in current service and the temporary identifier information；
The 5G RAN is based on the mapping relations, and the page-response message is sent to the AMF of UE described in current service.
3. method according to claim 2, which is characterized in that the 5G RAN is based on the mapping relations, by the paging
Response message is sent to the AMF of UE described in current service, specifically includes：
The 5G RAN determines the identification information of the AMF of UE described in current service by the mapping relations；
The 5G RAN determines that transport network layer corresponding with the AMF identification information of UE described in current service is associated with TNL
association；
The page-response message is sent to new AMF by the TNL association by the 5G RAN.
4. the method as described in claim 1, which is characterized in that the method also includes：
If carrying the identification information of the AMF of UE described in current service in the paging message, the 5G RAN is at least by table
Passing through the paging message is sent to institute simultaneously for the identification information of the AMF of UE described in sign current service and the temporary identifier information
State UE.
5. method as claimed in claim 4, which is characterized in that the method also includes：
The UE receives the paging message, and the identification information for characterizing the AMF of UE described in current service is passed through the paging
Response message is sent to the 5G RAN.
6. the AMF device that a kind of UE Idle state access and mobile management function to ps domain AMF change, which is characterized in that including：
The AMF of UE described in current service, for sending the paging message of the UE, wherein included at least in the paging message
For characterizing the identification information of the AMF of UE described in current service and the temporary identifier information of the UE, wherein the interim mark
Know information to be distributed by the old AMF for previously servicing the UE；
The 5G RAN pages the UE for receiving the paging message, and by the temporary identifier information, and will receive
The corresponding AMF of identification information for the AMF for being sent to UE described in current service to the page-response message of the UE.
7. a kind of computer installation, which is characterized in that the computer installation includes processor, and the processor is deposited for executing
The step of any claim the method in such as claim 1-5 is realized when the computer program stored in reservoir.
8. a kind of computer readable storage medium, including instruction, when described instruction is run on computers, so that the calculating
Machine executes the method as described in claim any in claim 1-5.
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