CN110166983A - A kind of event subscription method and network element device - Google Patents

A kind of event subscription method and network element device Download PDF

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Publication number
CN110166983A
CN110166983A CN201810142697.4A CN201810142697A CN110166983A CN 110166983 A CN110166983 A CN 110166983A CN 201810142697 A CN201810142697 A CN 201810142697A CN 110166983 A CN110166983 A CN 110166983A
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China
Prior art keywords
event
network element
message
service
pcf
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Granted
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CN201810142697.4A
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Chinese (zh)
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CN110166983B (en
Inventor
黄震宁
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China Mobile Communications Group Co Ltd
China Mobile Communications Co Ltd
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China Mobile Communications Group Co Ltd
China Mobile Communications Co Ltd
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Priority to CN201810142697.4A priority Critical patent/CN110166983B/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/50Service provisioning or reconfiguring
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/60Subscription-based services using application servers or record carriers, e.g. SIM application toolkits
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W8/00Network data management
    • H04W8/02Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
    • H04W8/08Mobility data transfer
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W8/00Network data management
    • H04W8/18Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
    • H04W8/20Transfer of user or subscriber data

Abstract

The embodiment of the present invention provides a kind of event subscription method and network element device, wherein, event subscription method, which includes: the first network element, sends first message to the second network element, the service with the event correlation that the event and second network element that carrying to be subscribed in the first message need to call when triggering the event.For the solution of the present invention during event subscription, instruction opposite end network element calls service and reported event, needs less message or Signalling exchange to complete event and reports and policy update, improves interacting message efficiency.

Description

A kind of event subscription method and network element device
Technical field
The present invention relates to field of communication technology, a kind of event subscription method and network element device are particularly related to.
Background technique
In order to reach differentiated service ability, resource dredges ability, the targets such as network flow optimization ability, according to 3GPP (3rd Generation Partnership Project, third generation partner program) standard criterion, in existing grouping net Strategy is introduced in network with charging control (Policy and Charging Control, PCC) system architecture to Packet data service Carry out QoS (Quality of Service, service quality) control.
Fig. 1 is PCC configuration diagram, and the main network elements of PCC framework include:
PCRF (Policy and Charging Rules Function, policy control and charging regulation function entity);
PCEF (Policy and Charging Enforcement Function, policy control and charge execution function Entity);
AF (Application Function, Application Function);
OCS/OFCS (Online Charging System/Offline Charging System, online charging system/ Off-line accounting system);With
SPR (Subscription Profile Repository, signing information library).
1) PCRF: having the function of policy control decision and the charging control based on stream, provides to PCEF about business number According to stream detection, gate, based on QoS and based on the network control function of flow based charging (in addition to diameter credit control).
2) PCEF: it is responsible for detection, strategy execution and the billing function based on stream of business data flow, is generally located on GGSN Or on P-GW.
3) AF: mainly carrying out dynamic strategy/charging control to the behavior of IP-CAN user face, is arranged on business platform.
4) it SPR: for logic entity, is used to store information relevant to all contracted users or signing, including contracted user The business etc. of permission.
5) OCS/OFCS: it is used for on-line/off-line charging.
5G network is similar with 4GPCC network, and 5G designs the interface between network element and network element using serviceization mode.
As shown in Fig. 2, AF (application function), NWDAF (network data analysis function), UDR (unified data warehouse), NEF (network opening function) is communicated to connect by reference to point (N5, N23, N25, N30) and PCF (policy control functions) respectively, PCF is by reference to point N15 and AMF (access and mobility functions) communication connection, and PCF is by reference to point N7 and SMF (session management Function) communication connection, SMF passes through N4 and UPF (user-plane function) communicates to connect;NEF is communicated by reference to point N29 with PCF Connection;OCS (online computing system) is communicated to connect by reference to point N28 and PCF.
As shown in figure 3, UDR, NEF, NWDAF, AF, PCF by corresponding service interface (Nudr, Unef, Nnwdaf, Naf, Npef) it is connect with bus connection interface;AMF is connect by service interface (Namf) with bus connection interface;SMF passes through clothes Business interface (Nsmf) is connect with bus connection interface;SMF is communicated to connect by N4 and UPF;OCS is logical by reference to point N28 and PCF Letter connection.
In the prior art, existing event subscription and report method, event subscription and to report all be independent service operations.
For by AMF event subscription and reporting (TS23.502 4.16.1.2), as shown in Figure 4:
6, (access and mobility event open service is subscribed to, Namf_EventExposure_Subscribe service is called Operation;And
7, response access and mobility event open service, response Namf_EventExposure_Subscribe service behaviour Make;
The message 6 and 7 is the process that PCF subscribes to mobile management event to AMF.
When AMF trigger event and PCF needs more new strategy simultaneously, AMF needs first reported event, and then PCF calls AMF Service update AMF on tactful 3GPP TS23.502 4.16.2.1.
As shown in figure 5, needing two pairs of totally four message, completion event reports and policy update:
1, notice access and the open event of mobility event, call Namf_EventExposure_Notify service operations;
2, response access and the open event of mobility event, respond Namf_EventExposure_Notify service operations;
4, access and mobility policy control are updated, Namf_AMPolicyControl_UpdateNotify service is called Operation;
5, response access and mobility policy control, response Namf_AMPolicyControl_UpdateNotify service Operation ability completion event reports and the process of policy update.
In this way from event subscription (message 6,7 in Fig. 4) and event reports and policy update (message 1 in Fig. 5,2, 4,5) totally 6 message just can complete whole flow process.
Fig. 6 is the process that PCF subscribes to session management event to SMF, and event subscription needs message 6,7 to complete;
As shown in fig. 7, it is also similar that SMF reports session management event and PCF to push policy update according to event to PCF Process also need two teams with reference to 3GPP TS23.502 4.16.4 and 3GPP TS23.502 4.16.4 and disappear for totally four Breath could complete event report flow and policy update.
Fig. 7 is SMF reports session management event and PCF to push according to event the process of policy update to PCF, in Fig. 7 Completion event reports and policy update, needs four message (1a, 2a, 5,6 in such as figure).
In this way from event subscription (message 6,7 in Fig. 6) and event reports and policy update (message 1a in Fig. 7, 2a, 5,6) totally 6 message can just complete whole flow process.
Existing method uses the event subscription of serviceization interface and reports, and the processing of each resource stands alone as individual clothes Business, event reports and the signaling redundancy of more new demand servicing, and efficiency is caused to reduce.
Summary of the invention
The present invention provides a kind of event subscription method and network element devices.During event subscription, opposite end network element is indicated It calls other to service and reported event, less message (or signaling) interaction completion event is needed to report and policy update, Improve interacting message efficiency.
In order to solve the above technical problems, the embodiment of the present invention provides following scheme:
A kind of event subscription method, comprising:
First network element sends first message to the second network element, carries the event to be subscribed to, Yi Jisuo in the first message State the service with the event correlation that needs call when the second network element triggers the event.
Wherein, event subscription method, further includes: first network element receives second network element is sent described first and disappears The response message of breath.
Wherein, event subscription method further include: first network element receives the second message that second network element is sent, institute When stating the event triggering for carrying the subscription in second message, the service request of the event of triggering and the event correlation.
Wherein, the service request of the event correlation is policy update request or other service requests.
Wherein, event subscription method further include: first network element sends the second message to second network element Response message.
Wherein, first network element is policy control functions PCF or V-PCF or H-PCF, and second network element is meeting Talk about management function SMF or access and mobility functions AMF.
The embodiment of the present invention also provides a kind of event subscription method, comprising:
Second network element receives the first message that the first network element is sent, and carries the event to be subscribed in the first message, with And the service with the event correlation that second network element needs to call when triggering the event.
Wherein, event subscription method further include: second network element sends the response of the first message to the first network element Message.
Wherein, event subscription method further include: second network element sends second message to first network element, and described the When carrying the event triggering of the subscription in two message, the service request of the event of triggering and the event correlation.
Wherein, the service request of the event correlation is policy update request or other service requests.
Wherein, event subscription method, further includes: second network element receives first network element and sends the second message Response message.
Wherein, first network element is policy control functions PCF or V-PCF or H-PCF, and second network element is meeting Talk about management function SMF or access and mobility functions AMF.
The embodiment of the present invention also provides a kind of network element device, comprising:
Transceiver, for sending first message to the second network element, the event to be subscribed to of carrying in the first message, and The service with the event correlation for needing to call when second network element triggers the event.
Wherein, the transceiver is also used to receive the response message for the first message that second network element is sent.
Wherein, the transceiver is also used to receive the second message that second network element is sent, and takes in the second message When event with the subscription triggers, the service request of the event of triggering and the event correlation.
Wherein, the service request of the event correlation is policy update request or other service requests.
Wherein, the transceiver is also used to send the response message of the second message to second network element.
The embodiment of the present invention also provides a kind of network element device, comprising:
Transceiver, for receiving the first message of the first network element transmission, the event to be subscribed to of carrying in the first message, And the service with the event correlation that second network element needs to call when triggering the event.
Wherein, the transceiver is also used to send the response message of the first message to the first network element.
Wherein, the transceiver is also used to send second message to first network element, carries institute in the second message When stating the event triggering of subscription, the service request of the event of triggering and the event correlation.
Wherein, the service request of the event correlation is policy update request or other service requests.
Wherein, the transceiver is also used to receive the response message that first network element sends the second message.
The embodiment of the present invention also provides a kind of communication equipment, comprising: processor, the storage for being stored with computer program Device when the computer program is run by processor, executes method as described above.
The embodiment of the present invention also provides a kind of computer readable storage medium, including instruction, when described instruction is calculating When machine is run, so that computer executes method as described above.
Above scheme of the invention is include at least the following beneficial effects:
Above scheme of the invention sends first message to the second network element by the first network element, takes in the first message The service with the event correlation for needing to call when the event and second network element that band to be subscribed to trigger the event. To realize during event subscription, the first network element instruction opposite end network element (the second network element) simultaneously call other service and on Report event needs less message (or signaling) interaction completion event to report and policy update, improves interacting message efficiency.
Detailed description of the invention
Fig. 1 is PCC configuration diagram;
Communication construction schematic diagram of the Fig. 2 between each functional entity;
Another schematic diagram of communication construction of the Fig. 3 between each functional entity;
Fig. 4 is AMF event subscription and report flow figure;
Fig. 5 is AMF trigger event and PCF needs the flow chart of more new strategy simultaneously;
Fig. 6 is the flow chart that PCF subscribes to session management event to SMF;
Fig. 7 reports session management event and PCF according to the flow chart of event push policy update for SMF to PCF;
Fig. 8 is event subscription method flow diagram;
Fig. 9 is the specific interaction diagrams of the first network element and the second network element;
Figure 10 is that the first network element is PCF or V-PCF or H-PCF, and when second network element is SMF, carry out event is ordered It reads and the interaction diagrams of service request and policy update;
Figure 11 is that first network element is PCF or V-PCF or H-PCF, when second network element is AMF, carries out thing Part is subscribed to and the interaction diagrams of service request and policy update;
Figure 12 is the structural block diagram of network element device.
Specific embodiment
Exemplary embodiments of the present disclosure are described in more detail below with reference to accompanying drawings.Although showing the disclosure in attached drawing Exemplary embodiment, it being understood, however, that may be realized in various forms the present invention without should be by embodiments set forth here It is limited.It is to be able to thoroughly understand the present invention on the contrary, providing these embodiments, and can be by the scope of the present invention It is fully disclosed to those skilled in the art.
The embodiment of the present invention in the prior art, using serviceization interface event subscription and report, each resource Processing stand alone as individual service, event is reported with the signaling redundancy of more new demand servicing, the problem of causing efficiency to reduce, provides one Kind event subscription method and network element device, to realize during event subscription, the first network element indicates opposite end network element (the second net Member) simultaneously call other service and reported event, thus only need less Signalling exchange be completed at the same time event report and Policy update improves interactive efficiency.
As shown in figure 8, the embodiment of the present invention provides a kind of event subscription method, comprising:
Step 1, the first network element sends first message to the second network element, carries the event to be subscribed in the first message, And the service with the event correlation that second network element needs to call when triggering the event.
Further, event subscription method, further includes:
Step 2, first network element receives the response message for the first message that second network element is sent.
In the embodiment, the first network element sends first message to the second network element, carries the event of subscription, and when event is touched The service for needing to call when the second network element trigger event when hair;Second network element, which sends to subscribe to successfully to respond to the first network element, to disappear Breath.
The node (such as the first network element) of subscription event knows other services that may may require that calling when the event triggers, then During event subscription, other services and reported event are called in instruction opposite end network element (such as the second network element) simultaneously.
Again as shown in figure 8, in another embodiment of the present invention, event subscription method, comprising:
Step 1, the first network element sends first message to the second network element, carries the event to be subscribed in the first message, And the service with the event correlation that second network element needs to call when triggering the event.
Step 2, first network element receives the response message for the first message that second network element is sent.
Step 3, first network element receives the second message that second network element is sent, and carries institute in the second message When stating the event triggering of subscription, the service request of the event of triggering and the event correlation.Wherein, the service of the event correlation Request is policy update request or other service requests.
Step 4, first network element sends the response message of the second message to second network element.
Wherein, the transmission of the second message in the transmission and step 3 of the first message of step 1 can be sent independently of each other, I.e. in another embodiment of the present invention, above-mentioned steps 3 and 4 can also be only included.
In the embodiment, steps 1 and 2 complete event subscription process, step 3,4 complete event correlations service request and Policy update in such the embodiment of the present invention, realizes that subscription, service request and the policy update of event only need 4 message It can be realized, and in the prior art, at least need 6 message just to may be implemented;Especially middle service request and policy update, it is existing In technology, 4 message (message 1a, 2a, 5,6 in 1,2,4,5 or Fig. 7 of message in such as Fig. 5) is needed just to be able to achieve, this hair In bright embodiment, it is only necessary to which 2 message (i.e. step 3, the message in 4) can be realized;Compared to the prior art, it saves at least The signaling of 2 message, to improve the Signalling exchange efficiency between network element.
It is specific as shown in figure 9, the first network element specifically can specifically can be service with network functional entity NF, the second network element disappears Take entity SC, the interaction flow of the first network element and the second network element is as follows:
0, NF needs to subscribe to the event for being associated with follow-up service movement;
1, NF sends first message (subscribing to event) to SC, carries the service of the event and event correlation to be subscribed to;
2, SC sends the response message (subscribing to successfully response) of first message to NF;
3, SC carries out event triggering;
4, SC sends second message (event reports and service request) to NF, carries the event of triggering and the clothes of event correlation Business request;
5, NF sends the response message (service response) of second message to SC.
In the above embodiment of the present invention, the event of subscription can be one or more;If event does not need to be associated with Subsequent service, then in above-mentioned first message carry event report report URI (uniform resource identifier).
As shown in Figure 10, first network element is PCF or V-PCF or H-PCF, when second network element is SMF, into The interaction flow of row event subscription and service request and policy update, comprising:
0, PCF/V-PCF/H-PCF needs to subscribe to the event for needing associating policy to control;
1, PCF/V-PCF/H-PCF subscribes to session management event to SMF and opens, and carries the event and event for needing to subscribe to Associated service operations;
2, SMF is opened to PCF/V-PCF/H-PCF response session management event;
3, SMF carries out event triggering;
4, SMF calls the service of event correlation to PCF/V-PCF/H-PCF, carries service request and event reports;
5, PCF/V-PCF/H-PCF sends service response message to SMF.
As shown in figure 11, first network element is PCF or V-PCF or H-PCF, when second network element is AMF, into The interaction flow of row event subscription and service request and policy update, comprising:
0, PCF/V-PCF/H-PCF needs to subscribe to the event for needing associating policy to control;
1, PCF/V-PCF/H-PCF subscribes to access to AMF and mobility event open, carry the event subscribed to of needs and The service operations of event correlation;
2, AMF responds access to PCF/V-PCF/H-PCF and mobility event opens;
3, AMF carries out event triggering;
4, AMF calls the service of event correlation to PCF/V-PCF/H-PCF, carries service request and event reports;
5, PCF/V-PCF/H-PCF sends service response message to AMF.
Correspondingly, again as shown in figure 8, the embodiment of the present invention also provides a kind of event subscription method, comprising:
Step 1, the second network element receive the first message that the first network element is sent, and carry the thing to be subscribed in the first message The service with the event correlation for needing to call when part and second network element trigger the event.
Wherein, event subscription method further include: step 2, second network element send the first message to the first network element Response message.
Wherein, event subscription method further include: step 3, second network element send second message to first network element, When carrying the event triggering of the subscription in the second message, the service request of the event of triggering and the event correlation.
Wherein, the service request of the event correlation is policy update request or other service requests.
Wherein, event subscription method, further includes: step 4, second network element receive first network element and send described the The response message of two message.
Wherein, first network element is policy control functions PCF or V-PCF or H-PCF, and second network element is meeting Talk about management function SMF or access and mobility functions AMF.
In the above embodiment of the present invention, steps 1 and 2 can be individually formed the interaction flow that event is subscribed between network element, step Rapid 3,4 can be individually formed the interaction flow of service request and policy update, and certainly, steps 1 and 2,3,4 can form subscription thing The interaction flow of part and service request and policy update.All implementations are also applied for the embodiment in above-mentioned Fig. 8-Figure 11 In, it can also reach identical technical effect.
As shown in figure 12, the embodiment of the present invention also provides a kind of network element device 120, comprising:
Transceiver 121, for sending first message to the second network element, the event to be subscribed to of carrying in the first message, And the service with the event correlation that second network element needs to call when triggering the event.
Wherein, the transceiver 121 is also used to receive the response message for the first message that second network element is sent.
Wherein, the transceiver 121 is also used to receive the second message that second network element is sent, in the second message When carrying the event triggering of the subscription, the service request of the event of triggering and the event correlation.
Wherein, the service request of the event correlation is policy update request or other service requests.
Wherein, the transceiver 121 is also used to send the response message of the second message to second network element.
It should be noted that the network element device can also include the processor 122 connecting with transceiver communication, memory 123 etc., transceiver 121 can be connect with processor 122 by bus or interface communication, and memory 123 and processor 122 can To be connected by bus or interface communication;Certainly, bus or interface communication can also be passed through between memory and transceiver Connection.The function of above-mentioned transceiver can similarly realize by processor, some or all of function that certain processor is realized It can also be realized by transceiver.The network element device is the first network element in above method embodiment, in above method embodiment All implementations can also reach identical technical effect suitable for the embodiment of the network element device.
The embodiment of the present invention also provides a kind of network element device, comprising:
Transceiver, for receiving the first message of the first network element transmission, the event to be subscribed to of carrying in the first message, And the service with the event correlation that second network element needs to call when triggering the event.
Wherein, the transceiver is also used to send the response message of the first message to the first network element.
Wherein, the transceiver is also used to send second message to first network element, carries institute in the second message When stating the event triggering of subscription, the service request of the event of triggering and the event correlation.
Wherein, the service request of the event correlation is policy update request or other service requests.
Wherein, the transceiver is also used to receive the response message that first network element sends the second message.
It should be noted that the network element device can also include the processor connecting with transceiver communication, memory etc., receive Hair machine and processor can perhaps interface communication connect memory and processor can be logical by bus or interface by bus Letter connection;Certainly, it can also be connected by bus or interface communication between memory and transceiver.The function of above-mentioned transceiver Can, it can similarly be realized by processor, some or all of function that certain processor is realized can also be realized by transceiver. The network element device is the second network element in above method embodiment, and all implementations in above method embodiment are suitable for In the embodiment of the network element device, it can also reach identical technical effect.
The embodiment of the present invention also provides a kind of communication equipment, comprising: processor, the storage for being stored with computer program Device when the computer program is run by processor, executes method as described above.
The embodiment of the present invention also provides a kind of computer readable storage medium, including instruction, when described instruction is calculating When machine is run, so that computer executes method as described above.
The embodiment of the present invention in the prior art, using serviceization interface event subscription and report, each resource Processing stand alone as individual service, event is reported with the signaling redundancy of more new demand servicing, the problem of causing efficiency to reduce, provides one Kind event subscription method and network element device, to realize during event subscription, the first network element indicates opposite end network element (the second net Member) simultaneously call other service and reported event, thus only need less Signalling exchange be completed at the same time event report and Policy update improves interactive efficiency.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art For, without departing from the principles of the present invention, it can also make several improvements and retouch, these improvements and modifications It should be regarded as protection scope of the present invention.

Claims (24)

1. a kind of event subscription method characterized by comprising
First network element sends first message to the second network element, and the event to be subscribed to and described the are carried in the first message The service with the event correlation for needing to call when two network elements trigger the event.
2. event subscription method according to claim 1, which is characterized in that further include:
First network element receives the response message for the first message that second network element is sent.
3. event subscription method according to claim 1 or 2, which is characterized in that further include:
First network element receives the second message that second network element is sent, and the thing of the subscription is carried in the second message When part triggers, the service request of the event of triggering and the event correlation.
4. event subscription method according to claim 3, which is characterized in that the service request of the event correlation is strategy Update request or other service requests.
5. event subscription method according to claim 3, which is characterized in that further include:
First network element sends the response message of the second message to second network element.
6. event subscription method according to claim 1, which is characterized in that first network element is policy control functions Perhaps H-PCF second network element is conversation management functional SMF or accesses and mobility functions AMF PCF or V-PCF.
7. a kind of event subscription method characterized by comprising
Second network element receives the first message that the first network element is sent, and carries the event to be subscribed to, Yi Jisuo in the first message State the service with the event correlation that needs call when the second network element triggers the event.
8. event subscription method according to claim 7, which is characterized in that further include:
Second network element sends the response message of the first message to the first network element.
9. event subscription method according to claim 7 or 8, which is characterized in that further include:
Second network element sends second message to first network element, and the event touching of the subscription is carried in the second message When hair, the service request of the event of triggering and the event correlation.
10. event subscription method according to claim 9, which is characterized in that the service request of the event correlation is plan Slightly update request or other service requests.
11. event subscription method according to claim 9, which is characterized in that further include:
Second network element receives the response message that first network element sends the second message.
12. event subscription method according to claim 7, which is characterized in that first network element is policy control functions Perhaps H-PCF second network element is conversation management functional SMF or accesses and mobility functions AMF PCF or V-PCF.
13. a kind of network element device characterized by comprising
Transceiver carries the event to be subscribed to and described for sending first message to the second network element, in the first message The service with the event correlation for needing to call when second network element triggers the event.
14. network element device according to claim 13, which is characterized in that the transceiver is also used to receive second net The response message for the first message that member is sent.
15. network element device described in 3 or 14 according to claim 1, which is characterized in that the transceiver is also used to receive described The second message that two network elements are sent, when carrying the event triggering of the subscription in the second message, the event of triggering and described The service request of event correlation.
16. network element device according to claim 15, which is characterized in that the service request of the event correlation be strategy more New request or other service requests.
17. network element device according to claim 15, which is characterized in that the transceiver is also used to second network element Send the response message of the second message.
18. a kind of network element device characterized by comprising
Transceiver, for receiving the first message of the first network element transmission, the event to be subscribed to of carrying in the first message, and The service with the event correlation for needing to call when second network element triggers the event.
19. network element device according to claim 18, which is characterized in that the transceiver is also used to send to the first network element The response message of the first message.
20. network element device described in 8 or 19 according to claim 1, which is characterized in that the transceiver is also used to described first Network element sends second message, when carrying the event triggering of the subscription in the second message, the event of triggering and the event Associated service request.
21. network element device according to claim 20, which is characterized in that the service request of the event correlation be strategy more New request or other service requests.
22. network element device according to claim 21, which is characterized in that the transceiver is also used to receive first net Member sends the response message of the second message.
23. a kind of network element device characterized by comprising processor, the memory for being stored with computer program, the calculating When machine program is run by processor, as the method according to claim 1 to 6 or the described in any item sides of 7-12 are executed Method.
24. a kind of computer readable storage medium, which is characterized in that including instruction, when described instruction computer run when, make It obtains computer and executes as the method according to claim 1 to 6 or the described in any item methods of 7-12.
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