CN105722154B - The optimization method and gateway and optimization system of resource processing - Google Patents
The optimization method and gateway and optimization system of resource processing Download PDFInfo
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- CN105722154B CN105722154B CN201410718617.7A CN201410718617A CN105722154B CN 105722154 B CN105722154 B CN 105722154B CN 201410718617 A CN201410718617 A CN 201410718617A CN 105722154 B CN105722154 B CN 105722154B
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- 238000005457 optimization Methods 0.000 title claims abstract description 51
- 238000000034 method Methods 0.000 title claims abstract description 30
- 230000004044 response Effects 0.000 claims abstract description 85
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000012217 deletion Methods 0.000 description 22
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- 238000010586 diagram Methods 0.000 description 9
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
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Abstract
The invention discloses a kind of optimization methods of SGW resource processing, comprising the following steps: when the position of UE changes, the resource for receiving switching request message and Source MME response that Target MME is sent handles interim refuse information；Switching request message is handled, and is replied to Target MME and switches successfully response；When Source MME and Target MME complete UE resource switch, asset processing request message is sent to Target MME, and carry out Energy Resources Service's reason after the resource processing success message for receiving Target MME response.The present invention can make UE when MME switching occurs, and guarantee the creation of UE resource, update and delete successfully.
Description
Technical field
The present invention relates to optimization methods and clothes that field of communication technology more particularly to a kind of core network gateway resource are handled
Business gateway and optimization system.
Background technique
EPS (Evolved Packet System, the grouping system of evolution) is by 3GPP (3rd Gene-ration
Partnership Project, third generation partner program) tissue propose one kind be based on IP (I-nternet
Protocol, Internet protocol) the network architecture, construct an open and flexible service environment, can support UE
(User Equipment, user equipment) accesses IP network, and quick, stable access state is provided for user, can also be passed through
Packet-switch technology is improved to meet the increased requirement of IP traffic amount.The existing rule for accessing IP network by EPS about UE
The signaling and process description that model such as 3GPP TS 23.401 and 3GPP TS 29.274 etc. have had UE to switch in packet-based core networks.
But when MME (Mobility Management Entity, mobile management entity) switching occurs, SG-W (Serving-
GateWay, gateway) and PGW (Packet Data Network-GateWay, packet data network gateway) can be because of MME
Switch and make creation, update and delete user resources failure, can not create, update and delete money so as to cause UE in the short time
Source.
Above content is only used to facilitate the understanding of the technical scheme, and is not represented and is recognized that above content is existing skill
Art.
Summary of the invention
The main purpose of the present invention is to provide a kind of optimization methods of core network gateway SGW resource processing, it is intended to occur
When MME switches, guarantee the creation of UE resource, update and delete successfully, thus make customer service will not be due to the switching of MME in
It is disconnected.
To achieve the above object, the optimization method of a kind of core network gateway SGW resource processing provided by the invention, the money
Source processing optimization method the following steps are included:
When the position of user equipment (UE) changes, the switching that target mobile management entity Target MME is sent is received
Request message and the resource of source mobile management entity Source MME response handle interim refuse information；
Received switching request message is handled, and is replied to Target MME and switches successfully response；
When the Source MME and Target MME completes UE resource switch, resource is sent to Target MME
Request message is handled, and carries out the optimization processing of resource after the resource processing success message for receiving Target MME response.
Preferably, described when the position of user equipment (UE) changes, receive target mobile management entity Target
Before the step of resource for switching request message and Source the MME response that MME is sent handles interim refuse information further include:
Receive the asset processing request message that packet data network gateway PGW is sent；
The asset processing request message is forwarded to give source mobile management entity Source MME.
Preferably, described when the Source MME and Target MME completes UE resource switch, to Target
MME sends asset processing request message, and carries out resource after the resource processing success message for receiving Target MME response
Optimization processing the step of before further include:
Switching request message and resource handle interim refuse information based on the received, judge Source MME and Target
Whether MME completes UE resource switch.
Preferably, the message of switching request based on the received and resource handle interim refuse information, judge Source
Whether MME and Target MME completed after the step of UE resource switch further include:
If the Source MME and the Target MME do not complete UE resource switch, at PGW resource response
Manage failed message.
Preferably, if it is described when the Source MME and Target MME completes UE resource switch, to
Target MME sends asset processing request message, and laggard in the resource processing success message for receiving Target MME response
After the step of optimization processing of row resource further include:
Success message is handled to PGW resource response.
In addition, to achieve the above object, the present invention also provides a kind of core network gateway SGW, the SGW includes:
First receiving module, for receiving target mobile management entity when the position of user equipment (UE) changes
The resource processing for MME switching request message and source mobile management entity Source the MME response that Target MME is sent temporarily is refused
Exhausted message；
First processing module for handling received switching request message, and is replied to switch successfully and be rung to Target MME
It answers；
Second processing module is used for when the Source MME and Target MM completes UE resource switch, to
Target MME sends asset processing request message, and laggard in the resource processing success message for receiving Target MME response
The optimization processing of row resource.
Preferably, the SGW further include:
Second receiving module, for receiving the asset processing request message of packet data network gateway PGW transmission；
Forwarding module, for forwarding the asset processing request message to give source mobile management entity Source MME.
Preferably, the SGW further include:
Judgment module handles interim refuse information, judgement for MME switching request message based on the received and resource
Whether Source MME and Target MME complete UE resource switch.
Preferably, the SGW further include:
First respond module, if not completing UE resource switch for the Source MME and the Target MME,
Then to PGW resource response processing failure message.
Preferably, the SGW further include:
Second respond module is used for when the Source MME and Target MME completes UE resource switch, to
Target MME sends asset processing request message, and in the resource processing success message and complete for receiving Target MME response
After the optimization processing of resource, success message is handled to PGW resource response.
In addition, to achieve the above object, the present invention also provides a kind of optimization system, the optimization system includes Source
MME, Target MME, PGW and SGW as described above,
The Source MME includes:
Third receiving module, for receiving the asset processing request message of SGW forwarding；
Third respond module, for responding interim refuse information to SGW when the position of user equipment (UE) changes.
The Target MME includes:
First sending module, for sending MME switching request to SGW and disappearing when the position of user equipment (UE) changes
Breath；
4th respond module, for receiving SGW and sending when Source MME and Target MM complete UE resource switch
Asset processing request message, and after resource is handled successfully to SGW resource response handle success message.
The PGW includes:
Sending module, for sending asset processing request message to SGW.
Preferably, the PGW further include:
4th receiving module, for receiving SGW when Source MME and Target MME do not complete UE resource switch
The resource of response handles failed message；
5th receiving module, for when Source MME and Target MME complete UE resource switch, SGW to be to Target
MME sends asset processing request message, and receives the resource processing success message of Target MME response in SGW and complete money
After the optimization processing in source, the resource for receiving SGW response handles success message.
The optimization method of core network gateway SGW resource processing provided by the invention, is disappeared by switching request based on the received
Breath and interim refuse information, judge whether Source MME and Target MME complete UE resource switch, in Source MME and
When Target MME completes UE resource switch, asset processing request message is retransmitted to Target MME, and receiving
The optimization processing that resource is completed after the resource processing success message of Target MME response can when making UE that MME switching occur in this way
To guarantee the creation of UE resource, update and delete successfully, so that customer service be made not interrupt because of the switching of MME.
Detailed description of the invention
Fig. 1 is the flow diagram of one embodiment of optimization method of core network gateway SGW resource of the present invention processing；
Fig. 2 is the flow diagram of another embodiment of optimization method of core network gateway SGW resource of the present invention processing；
Fig. 3 is the functional block diagram of mono- embodiment of core network gateway SGW of the present invention；
Fig. 4 is the functional block diagram of another embodiment of core network gateway SGW of the present invention；
Fig. 5 is the functional block diagram of one embodiment of optimization system of the present invention；
Fig. 6 is the functional block diagram of mono- embodiment of Source MME in optimization system of the present invention；
Fig. 7 is the functional block diagram of mono- embodiment of Target MME in optimization system of the present invention；
Fig. 8 is the functional block diagram of mono- embodiment of PGW in optimization system of the present invention；
Fig. 9 is the data flow diagram of optimization system of the present invention.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
The present invention provides a kind of optimization method of core network gateway SGW resource processing, referring to Fig.1, in one embodiment, institute
State core network gateway SGW resource processing optimization method the following steps are included:
Step S101 receives target mobile management entity Target MME when the position of user equipment (UE) changes
The resource of switching request message and Source the MME response of transmission handles interim refuse information；
In the present embodiment, when the position of UE changes, Target MME will send switching request message to SGW, lead to
Know that the switching and other relevant UE information of Source MME and Target MME are occurring for SGW.
In the present embodiment, since Source MME and Target MME are handling the mobility switching of UE, according to 3GPP
29274-C50 protocol specification, it is 110 that Source MME, which replys cause value to SGW, is handling UE mobility switching flow and is facing
When the response message refused.
Step S102 handles received switching request message, and replys to Target MME and switch successfully response；
In the present embodiment, SGW, can be to the switching request information when receiving the switching request message of Target MME transmission
It is handled, if being successfully processed, is replied to Target MME and switch successfully response；If processing failure, to Target MME
Reply handover failure response.
According to existing protocol specification (3GPP 23401-C50), handle as follows:
After SGW receives the creation, update or deletion failed message of Source MME response, itself related resource has been handled,
The response replied creation to PGW, update or delete failure；
After PGW receives interim refuse information, after needing to wait the predetermined time, re-initiates creation, update or delete process.
It is lost it is therefore seen that existing protocol specification (3GPP 23401-C50) will cause creation, update or delete user resources
It loses, and PGW needs to wait the predetermined time that could initiate creation again, update or delete business, so as to cause user in pre- timing
It is interior to carry out new business process.
And the treatment process that the present invention takes is as follows:
Step S103, when the Source MME and Target MME completes UE resource switch, to Target
MME3 sends asset processing request message, and carries out resource after the resource processing success message for receiving Target MME response
Optimization processing.
In the present embodiment, if Source MME and Target MME complete UE resource switch, SGW is not returned first to PGW
Multiple failure response, and creation, update or deletion request message are sent to Target MME, Target MME receives creation, updates
Or deletion request message post-processes related resource, and after successfully creating, updating or delete related resource, creates to SGW reply,
Successful response message is updated or deletes, SGW handles itself related resource after receiving success response message.
It should be understood that SGW is when receiving the interim refuse information of Source MME response, it is not limited to locate
It manages UE mobility switching flow and temporarily refuses a kind of this cause value, if MME is not yet supported to protocol specification 3GPP 23401-
C50 version, and other reasons value is replied in a step 101, such as cause value is 64, context is not found, and SGW1 can also be same
Sample is handled according to step S103 and step 104.
In one embodiment, as shown in Fig. 2, on the basis of the embodiment of above-mentioned Fig. 1, in the present embodiment, the step
Before 101 further include:
Step S104 receives the asset processing request message that packet data network gateway PGW is sent；
In the present embodiment, the asset processing request message includes: that asset creation, resource updates or resource removal request disappear
It ceases, in other embodiments, however it is not limited to these asset processing request message.
Step S105 forwards the asset processing request message to give source mobile management entity Source MME.
In the present embodiment, SGW1 can be incited somebody to action after receiving the request to create of PGW4 transmission, updating request or deletion request message
The request to create, update request or deletion request message are transmitted to source mobile management entity Source MME2.
In one embodiment, as shown in Fig. 2, on the basis of the embodiment of above-mentioned Fig. 1, in the present embodiment, the step
Before S103 further include:
Step S106, switching request message and resource handle interim refuse information based on the received, judge Source MME
UE resource switch whether is completed with Target MME.
In the present embodiment, SGW is in creation, the update for receiving Source MME processing UE mobility switching and temporarily refusing
Or after deleting response message, SGW does not first delete UE related resource, but judges whether MME relevant information has changed, Source
Whether MME and Target MME completes UE resource switch.
In one embodiment, as shown in Fig. 2, on the basis of the embodiment of above-mentioned Fig. 1, in the present embodiment, the step
After S106 further include:
Step S107, if Source MME and Target MME do not complete UE resource switch, to PGW4 resource response
Processing failure message.
In the present embodiment, if Source MME and Target MME do not complete UE resource switch, responds and provide to PGW4
Source processing failure message, at this point, the relevant resource of UE can be then deleted, creation, update or the deletion resource such as initiated.
In one embodiment, as shown in Fig. 2, on the basis of the embodiment of above-mentioned Fig. 1, in the present embodiment, the step
After S103 further include:
Step S108 handles success message to PGW resource response.
In the present embodiment, after Target MME and SGW are successfully created, updated or delete related resource, SGW is to PGW
Resource response handles success message.So far, creation, update or the deletion resource request success initiated by PGW, although MME occurs
The switching of change, but user's new business is not interrupted, related resource is also successfully created, updates or is deleted.
The present invention also provides a kind of core network gateway SGW1, referring to Fig. 3, in one embodiment, in a preferred embodiment,
The core network gateway SGW1 includes:
First receiving module 101, for receiving target mobile management entity when the position of user equipment (UE) changes
The resource for MME switching request message and Source the MME response that Target MME is sent handles interim refuse information；
In the present embodiment, when the position of UE changes, Target MME will send handover information to SGW1, notice
The information switching and other relevant UE information of Source MME and Target MME are occurring for SGW1.
In the present embodiment, since Source MME and Target MME are handling the mobility switching of UE, according to 3GPP
29274-C50 protocol specification, Source MME reply cause value such as 110 to SGW1, handling UE mobility switching flow and
The response message temporarily refused.
First processing module 102 handles received switching request message, and replys to switch successfully to Target MME and ring
It answers；
In the present embodiment, SGW1 can believe the switching request when receiving the switching request message of Target MME transmission
Breath is handled, if being successfully processed, is replied to Target MME and is switched successfully response；If processing failure, to Target
MME replys handover failure response.
According to existing protocol specification (3GPP 23401-C50), handle as follows:
After SGW1 receives the creation, update or deletion failed message of Source MME response, itself related resource has been handled,
The response replied creation to PGW, update or delete failure.
After PGW receives interim refuse information, after needing to wait the predetermined time, re-initiates creation, update or delete process.
It is lost it is therefore seen that existing protocol specification (3GPP 23401-C50) will cause creation, update or delete user resources
It loses, and PGW needs to wait the predetermined time that could initiate creation again, update or delete business, so as to cause user in pre- timing
It is interior to carry out new business process.
And the treatment process that the present invention takes is as follows:
In the present embodiment, SGW1 is in the creation, more for receiving Source MME processing UE mobility switching and temporarily refusing
After new or deletion response message, SGW1 does not first delete UE related resource, but judges whether MME relevant information has changed,
Whether Source MME and Target MME complete UE resource switch.
Second processing module 103 is used for when the Source MME and Target MME completes UE resource switch,
Asset processing request message is sent to Target MME, and after receiving the resource processing success message of Target MME response
Carry out the optimization processing of resource.
In the present embodiment, if Source MME and Target MME complete UE resource switch, SGW1 is not returned first to PGW
Multiple failure response, and creation, update or deletion request message are sent to Target MME, Target MME receives creation, updates
Or deletion request message post-processes related resource, and after successfully creating, updating or delete related resource, replys and creates to SGW1
Successful response message is built, updates or deletes, SGW1 handles itself related resource after receiving success response message.
It should be understood that SGW1 is when receiving the interim refuse information of Source MME response, it is not limited to
It handles UE mobility switching flow and temporarily refuses a kind of this cause value, if MME is not yet supported to protocol specification 3GPP
23401-C50 version, and other reasons value is replied in step 103, such as cause value is 64, context is not found, SGW1
It can be handled also according to step S103 and step 104.
In one embodiment, as shown in figure 4, on the basis of the embodiment of above-mentioned Fig. 3, in the present embodiment, the SGW1
Further include:
Second receiving module 105 receives the asset processing request message that packet data network gateway PGW is sent；
In the present embodiment, the asset processing request message includes: that asset creation, resource updates or resource removal request disappear
It ceases, in other embodiments, however it is not limited to these asset processing request message.
Forwarding module 106 forwards the asset processing request message to give source mobile management entity Source MME.
In the present embodiment, SGW1 can be incited somebody to action after receiving the request to create of PGW transmission, updating request or deletion request message
The request to create, update request or deletion request message are transmitted to source mobile management entity Source MME.
In one embodiment, as shown in figure 4, on the basis of the embodiment of above-mentioned Fig. 3, in the present embodiment, the SGW1
Further include:
Judgment module 103 handles interim refuse information, judgement for MME switching request message based on the received and resource
Whether Source MME and Target MME complete UE resource switch.
In the present embodiment, SGW1 is in the creation, more for receiving Source MME processing UE mobility switching and temporarily refusing
After new or deletion response message, SGW1 does not first delete UE related resource, but judges whether MME relevant information has changed,
Whether Source MME and Target MME complete UE resource switch.
As shown in figure 4, on the basis of the embodiment of above-mentioned Fig. 3, the SGW1 further include:
First respond module 107 is cut if not completing UE resource for the Source MME and the Target MME
It changes, then to PGW4 resource response processing failure message.
In the present embodiment, if Source MME and Target MME do not complete UE resource switch, to PGW resource response
Processing failure message, at this point, the relevant resource of UE can be then deleted, creation, update or the deletion resource such as initiated.
In one embodiment, as shown in figure 4, on the basis of the embodiment of above-mentioned Fig. 3, in the present embodiment, the SGW1
Further include:
Second respond module 108 is used for when the Source MME and Target MME completes UE resource switch,
To Target MME send asset processing request message, and receive Target MME response resource processing success message and
After the optimization processing for completing resource, success message is handled to PGW resource response.
In the present embodiment, after Target MME and SGW1 are successfully created, updated or delete related resource, SGW is to PGW
Resource response handles success message.So far, creation, update or the deletion resource request success initiated by PGW, although MME occurs
The switching of change, but user's new business is not interrupted, related resource is also successfully created, updates or is deleted.
The present invention also provides a kind of optimization systems 100, referring to Fig. 5, in one embodiment, and in a preferred embodiment, institute
It states optimization system 100 and includes Source MME2, Target MME3, PGW4 and SGW1 as described above,
Include: referring to Fig. 6, the Source MME2
Third receiving module 201, for receiving the asset processing request message of SGW1 forwarding；
In the present embodiment, the asset processing request message includes: that asset creation, resource updates or resource removal request disappear
It ceases, in other embodiments, however it is not limited to these asset processing request message.
Third respond module 202, for being responded due to Source to SGW1 when the position of user equipment (UE) changes
MME2 and Target MME3 is just in the interim refuse information of handover request.
In the present embodiment, since Source MME2 and Target MME3 are handling the mobility switching of UE, according to
3GPP 29274-C50 protocol specification, Source MME2 reply cause value such as 110 to SGW1, are handling the switching of UE mobility
Process and temporarily refuse.
Include: referring to Fig. 7, the Target MME3
First sending module 301, for sending MME switching to SGW1 and asking when the position of user equipment (UE) changes
Seek message；
In the present embodiment, when the position of UE changes, Target MME3 will send handover information to SGW1, notice
The information switching and other relevant UE information of Source MME2 and Target MME3 are occurring for SGW1.
4th respond module 302, for receiving SGW1 when Source MME2 and Target MM complete UE resource switch
The asset processing request message of transmission, and success message is handled to SGW1 resource response after resource is handled successfully.
In the present embodiment, if Source MME2 and Target MME3 complete UE resource switch, SGW1 first not to
PGW4 replys failure response, and sends creation, update or deletion request message, Target MME3 to Target MME3 and receive wound
It builds, update or deletion request message post-processing related resource, and after successfully creating, updating or delete related resource, to SGW1
It replys creation, update or delete successful response message, SGW1 creates itself related resource after receiving success response message.
Include: referring to Fig. 8, the PGW4
Second sending module 401, for sending asset processing request message to SGW1.
In the present embodiment, the asset processing request message includes: that asset creation, resource updates or resource removal request disappear
It ceases, in other embodiments, however it is not limited to these asset processing request message.
In one embodiment, as shown in figure 8, the PGW4 further include:
4th receiving module 402, for connecing when Source MME2 and Target MME3 do not complete UE resource switch
The resource for receiving SGW1 response handles failed message；
In the present embodiment, if Source MME2 and Target MME3 do not complete UE resource switch, responded to PGW4
Resource handles failed message, at this point, the relevant resource of UE can be then deleted, creation, update or the deletion resource such as initiated.
5th receiving module 403, for Source MME2 and Target MME3 complete UE resource switch when, SGW1 to
Target MME3 sends asset processing request message, and handles in the resource that SGW1 receives Target MME3 response and successfully disappear
After the optimization processing of breath and completion resource, the resource for receiving SGW1 response handles success message.
In the present embodiment, after Target MME3 and SGW1 are successfully created, are updated or delete related resource, SGW1 to
PGW4 resource response handles success message.So far, creation, update or the deletion resource request success initiated by PGW4, although hair
The switching that raw MME changes, but user's new business is not interrupted, related resource is also successfully created, updates or is deleted.
Referring to Fig. 9, in one embodiment, the data flow of the optimization system 100 is as follows:
Step S501:SGW1 receives creation, update or the deletion request message that PGW4 is sent；
This message is transmitted to Source MME2 by step S502:SGW1；
When the position step S503:UE sends variation, Source MME2 and Target MME3 carry out UE resource switch；
Step S504:Target MME3 sends switching request message to SGW1；
Step S505:Source MME2 handles interim refuse information to SGW1 resource response；
Step S506:SGW1 judges whether Source MME2 and Target MME3 complete UE resource switch, if Source
MME2 and Target MM completes UE resource switch, then retransmits asset processing request message to Target MME3；
Step S507:Target MME3 receive creation, update or deletion request message post-processing related resource, and at
Function creation after updating or deleting related resource, replys creation to SGW1, updates or delete successful response message；
Step S508:SGW1 creates, updates or deletes itself related resource after receiving success response message, and at
Successful response message is replied to PGW4 after function process resource.
The above is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (12)
1. a kind of optimization method of core network gateway SGW resource processing, which is characterized in that core network gateway SGW Energy Resources Service
The optimization method of reason the following steps are included:
When the position of user equipment (UE) changes, the switching request that target mobile management entity Target MME is sent is received
Message, and source mobile management entity Source MME is received due to handling the mobility switching flow of the user equipment (UE)
The response message temporarily refused sent；
Received switching request message is handled, and is replied to Target MME and switches successfully response；
When the Source MME and Target MME completes UE resource switch, resource processing is sent to Target MME
Request message, and receive Target MME response resource processing success message after carry out resource optimization processing.
2. the optimization method of resource processing as described in claim 1, which is characterized in that send out the position in user equipment (UE)
When changing, the money of switching request message and Source MME response that target mobile management entity Target MME is sent is received
Source was handled before the step of interim refuse information further include:
Receive the asset processing request message that packet data network gateway PGW is sent；
The asset processing request message is forwarded to give source mobile management entity Source MME.
3. the optimization method of resource processing as described in claim 1, which is characterized in that described in the Source MME and institute
When stating Target MME completion UE resource switch, asset processing request message is sent to Target MME, and receiving
Before the step of carrying out the optimization processing of resource after the resource processing success message of Target MME response further include:
Switching request message and resource handle interim refuse information based on the received, judge that Source MME and Target MME are
No completion UE resource switch.
4. the optimization method of resource processing as claimed in claim 3, which is characterized in that the switching request based on the received disappears
Breath and resource handle interim refuse information, judge the step of whether Source MME and Target MME complete UE resource switch it
Afterwards further include:
If the Source MME and the Target MME do not complete UE resource switch, lost to the processing of PGW resource response
Lose message.
5. the optimization method of resource processing as described in claim 1, which is characterized in that described in the Source MME and institute
When stating Target MME completion UE resource switch, asset processing request message is sent to Target MME, and receiving
After the step of carrying out the optimization processing of resource after the resource processing success message of Target MME response further include:
Success message is handled to PGW resource response.
6. a kind of core network gateway SGW, which is characterized in that the SGW includes:
First receiving module, for receiving target mobile management entity Target when the position of user equipment (UE) changes
The MME switching request message that MME is sent, and source mobile management entity Source MME is received because handling the user equipment
The mobility switching flow of UE and the response message temporarily refused sent；
First processing module for handling received switching request message, and replys to Target MME and switches successfully response；
Second processing module is used for when the Source MME and Target MME completes UE resource switch, to
Target MME sends asset processing request message, and laggard in the resource processing success message for receiving Target MME response
The optimization processing of row resource.
7. SGW as claimed in claim 6, which is characterized in that the SGW further include:
Second receiving module, for receiving the asset processing request message of packet data network gateway PGW transmission；
Forwarding module, for forwarding the asset processing request message to give source mobile management entity Source MME.
8. SGW as claimed in claim 6, which is characterized in that the SGW further include:
Judgment module handles interim refuse information for switching request message based on the received and resource, judges Source MME
UE resource switch whether is completed with Target MME.
9. SGW as claimed in claim 6, which is characterized in that the SGW further include:
First respond module, if not completing UE resource switch for the Source MME and the Target MME, to
PGW resource response processing failure message.
10. SGW as claimed in claim 6, which is characterized in that the SGW further include:
Second respond module is used for when the Source MME and Target MME completes UE resource switch, to
Target MME sends asset processing request message, and in the resource processing success message and complete for receiving Target MME response
After the optimization processing of resource, success message is handled to PGW resource response.
11. a kind of optimization system, which is characterized in that the optimization system include Source MME, Target MME, PGW and
SGW as described in any one of claim 6 to 10,
The Source MME includes:
Third receiving module, for receiving the asset processing request message of SGW forwarding；
Third respond module, for responding interim refuse information to SGW when the position of user equipment (UE) changes；
The Target MME includes:
First sending module, for sending MME switching request message to SGW when the position of user equipment (UE) changes；
4th respond module, for receiving the money that SGW is sent when Source MME and Target MM complete UE resource switch
Source handles request message, and handles success message to SGW resource response after resource is handled successfully；
The PGW includes:
Sending module, for sending asset processing request message to SGW.
12. optimization system as claimed in claim 11, which is characterized in that the PGW further include:
4th receiving module, for when Source MME and Target MME do not complete UE resource switch, receiving SGW response
Resource handle failed message；
5th receiving module, for when Source MME and Target MME complete UE resource switch, SGW to be to Target MME
Asset processing request message is sent, and receives the resource processing success message of Target MME response in SGW and completes resource
Optimization processing after, receive SGW response resource handle success message.
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| WO2016086673A1 (en) | 2016-06-09 |
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