CN102469512A - Method for processing access process and device for realizing same - Google Patents
Method for processing access process and device for realizing same Download PDFInfo
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- CN102469512A CN102469512A CN2010105319867A CN201010531986A CN102469512A CN 102469512 A CN102469512 A CN 102469512A CN 2010105319867 A CN2010105319867 A CN 2010105319867A CN 201010531986 A CN201010531986 A CN 201010531986A CN 102469512 A CN102469512 A CN 102469512A
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Abstract
The invention discloses a method for processing access process, which is used for processing the access process in a system in case of MME overload and reducing the occupation of network resources. The method comprises the steps as follows: an agency node receives a message which is sent by an edge node and related to UE access; the agency node judges whether UE access is allowed according to the overload information sent by MME; and the agency node returns the judge result to the edge node. The invention also discloses a device used for realizing the method.
Description
Technical field
The present invention relates to the communications field, particularly relate to the processing method and the device of access procedure.
Background technology
In 3G (third generation communication system) or LTE (Long Term Evolution) system, UE (subscriber equipment) initiates RRC (Radio Resource control) and connects the process of setting up, to insert the sub-district.Main process comprises: UE sends RRC connection request (RRCConnectionRequest) message to the base station, carries in this message and sets up reason; If the base station allows UE to insert, then send RRC and connect foundation (RRCConnectionSetup) message to UE; If do not allow, then send RRC and connect refusal (RRCConnectionReject) message to UE.One of reason that base station refusal UE connects is MME (Mobility Management Entity) overload.
MME judges whether to get into overload according to self load and capacity status; The overload back is sent overload to all or part of base station that has S1 (a kind of interface) to connect with it and is started (overload start) message; Informing base station transships control; Simultaneously can specify eNB to carry out following three kinds of operations:, to refuse all caller data services to non-emergency call; To non-emergency call, refuse all caller signaling traffics; Only allow urgency traffic and called access.Overload protection is carried out according to the control strategy of indicating in the message after receiving the overload initiation message of MME in the base station.
3G (the Beyond Third Generation in the back; B3G) or the upgrading LTE (Long Term Evolution-Advanced is LTE-A) in the system, in order to guarantee to cover continuously and reduce cost; Increased via node (RN); Or HeNB GW (Home Evolved Node B Gateway, the femto gateway of evolution) and HeNB (Home eNodeB of evolution), its network architecture is referring to Fig. 1 or shown in Figure 2.Under this network configuration, the control of the overload of UE access procedure does not still have clear and definite solution.A kind of possible scheme is: carry out load control by fringe node (RN or HeNB), after MME transships, send the overload initiation message to agent node (base station that is connected with RN (DeNB) or HeNB GW), agent node is transmitted to fringe node with overload messages.But because fringe node quantity is more, and the HeNB switching on and shutting down are frequent, make that the number of transmissions of overload messages is more, and whole overload messages are sent to fringe node, need take more network transmission resource.
Summary of the invention
The embodiment of the invention provides a kind of processing method and device of access procedure, is used for being implemented in the processing to access procedure of system MME when overload of comprising fringe node, and reduces taking of Internet resources.
A kind of processing method of access procedure is applied to the agent node side, may further comprise the steps:
What agent node reception fringe node sent inserts relevant message with UE;
The overload messages that agent node sends according to MME judge whether to allow UE to insert;
Agent node returns to fringe node with judged result; Perhaps
When judging that permission UE inserts, agent node continues processing and inserts relevant message with UE; When judging that refusal UE inserts, the agent node end operation.
A kind of processing method of access procedure is applied to the fringe node side, may further comprise the steps:
Fringe node sends with UE to agent node and inserts relevant message;
Fringe node receives the judged result that whether allows UE to insert that agent node returns.
A kind of agent node equipment comprises:
First interface module is used to receive that fringe node sends inserts relevant message with UE, and judged result is returned to fringe node; Perhaps, when judging that permission UE inserts, continue to handle with UE and insert relevant message; When judging that refusal UE inserts, end operation;
Processing module is used for judging whether to allow UE to insert according to the overload messages that MME sends, and generates judged result.
A kind of fringe node equipment comprises:
Sending module is used for sending and the relevant message of UE access to agent node;
Receiver module is used to receive the judged result that whether allows UE to insert that agent node returns.
Carry out load control by agent node in the embodiment of the invention, then need not send the MME overload messages, perhaps need not send whole MME overload messages, obviously saved network transmission resource to fringe node.
Description of drawings
Fig. 1 is the structure chart of E-UTRAN (Evolved UTRAN network) when comprising RN in the prior art;
Fig. 2 is the structure chart of E-UTRAN when comprising HeNB in the prior art;
Fig. 3 is for going into the process flow figure of process in the embodiment of the invention at the agent node side joint;
Fig. 4 in the embodiment of the invention on the edge of the node side joint go into the process flow figure of process;
Fig. 5 is the process flow figure of access procedure when agent node sends the indication of MME overload in the embodiment of the invention;
Fig. 6 is the process flow figure of access procedure when agent node sends the indication of MME overload in the embodiment of the invention;
Fig. 7 is the primary structure figure of agent node equipment in the embodiment of the invention;
Fig. 8 is the detailed structure view of agent node equipment in the embodiment of the invention;
Fig. 9 is the primary structure figure of fringe node equipment in the embodiment of the invention;
Figure 10 is the detailed structure view of fringe node equipment in the embodiment of the invention.
Embodiment
Carry out load control by agent node in the embodiment of the invention, then need not send the MME overload messages, perhaps need not send whole MME overload messages, obviously saved network transmission resource to fringe node.
Agent node comprises base station (DeNB) or the HeNB GW that is connected with RN in the present embodiment, and fringe node comprises RN or HeNB.When fringe node was RN, agent node was DeNB, and when fringe node was HeNB, agent node was HeNB GW.
Referring to Fig. 3, it is following to go into the realization flow of processing method of process at the agent node side joint in the present embodiment:
Step 301: what agent node reception fringe node sent inserts relevant message with UE.
Step 302: the overload messages that agent node sends according to MME judge whether to allow UE to insert.
Step 303: agent node returns to fringe node with judged result, and perhaps when judging that permission UE inserts, agent node continues processing and inserts relevant message with UE; When judging that refusal UE inserts, the agent node end operation.The agent node end operation is exactly that agent node is left intact, and makes fringe node and UE know that refusal inserts through the timer expiry that makes fringe node and UE.
Referring to Fig. 4, in the present embodiment on the edge of the node side joint to go into the realization flow of processing method of process following:
Step 401: fringe node sends with UE to agent node and inserts relevant message.
Step 402: fringe node receives the judged result that whether allows UE to insert that agent node returns.
Fringe node can send and the relevant message of UE access to agent node after receiving the RRC connection request (RRCConnectionRequest) of UE, carries out access control (comprising load control) with the request broker node.Perhaps, fringe node is with after UE sets up RRC and is connected, and sends with UE to agent node and inserts relevant message, carries out access control (comprise load control) with the request broker node.Agent node can not send the overload messages of MME to fringe node, perhaps send the overload indication of MME to fringe node.This overload indication is not whole overload messages, and the overload indication is a kind of overload notification, and expression has MME to transship, and perhaps the overload indication comprises the correlated identities of the MME of overload notification and overload.The correlated identities of MME comprises that (SAE-Temporary Mobile Subscriber Identify, SAE-move contracted user's sign to S-TMSI temporarily; SAE:System Architecture Evolution, System Architecture Evolution) or GUMMEI (Globally Unique MME Identifier, globally unique MME sign), perhaps comprise S-TMSI and GUMMEI.Agent node all can be confirmed unique MME according to S-TMSI or GUMMEI.Owing to have above-mentioned multiple implementation at least, come to introduce in detail implementation procedure through two exemplary embodiments below.
Referring to Fig. 5, the process flow of access procedure was following when agent node sent the indication of MME overload in the present embodiment:
MME starts (OVERLOAD START) message through overload and sends the MME overload messages to agent node when finding that self transships, and overload messages comprise the MME correlated identities and transship control strategy etc.The overload control strategy is refused all caller data services as to non-emergency call; To non-emergency call, refuse all caller signaling traffics; Only allow urgency traffic and called access.After agent node is received the MME overload messages, send the indication of MME overload to fringe node through the overload initiation message.
Step 501: fringe node receives the RRC connection request that UE sends.
Step 502: whether flange node judges this locality has the indication of MME overload, if having, then continues step 503, otherwise continues step 508.
Step 503: can fringe node send to agent node and be used to seek advice from the access request (Access Request) that insert.The request of access can comprise that S-TMSI, GUMMEI or RRC set up reason etc.
Step 504: agent node judges according to the MME overload messages of this locality whether the MME that is asked in the request of access transships, if overload then continues step 505, otherwise continues step 506.Concrete, agent node judges whether local MME overload messages comprise the MME correlated identities that carries in the request of access, if do not comprise; Then continue step 506; If comprise, judge that then RRC in the request of access sets up the reason that refusal inserts in the control strategy whether reason belong to the MME overload messages, if; Then continue step 505, otherwise continue step 506.
If S-TMSI and GUMMEI etc. are not carried in the request of inserting, then agent node returns the message that the expression refusal inserts, perhaps agent node return the MME of overload not correlated identities to fringe node.Fringe node is at the correlated identities of this MME that does not transship of portability when agent node sends initial UE information (Initial UE message) message.Transmission expression refusal message that inserts and the correlated identities that returns the MME that does not transship all can insert the realization of response (Access Response) message through transmission.
Step 505: agent node returns the court verdict that the expression refusal inserts to fringe node.Continue step 507.Perhaps agent node is left intact, and makes NAS (Non-Access Stratum) the layer timer expiry of UE, makes access failure.
Step 506: agent node returns the court verdict that expression allows access to fringe node.Continue step 508.
Judged result in the step 505 and 506 can be carried by inserting response (Access Response) message., and, insert response message and can also carry the reason that refusal inserts, like MME overload (MME overload).Access request in the present embodiment and access response are the message of redetermination, can be S1-AP (S1 (a kind of interface type) access protocol) message, X2-AP (X2 (a kind of interface type) access protocol) message or RRC message.
Step 507: fringe node sends RRC to UE and connects refusal (RRCConnectionReject) message.
Step 508: fringe node sends RRC to UE and connects foundation (RRCConnectionSetup) message.Can further accomplish the flow that RRC connects, this flow can be with reference to prior art.For example, fringe node receives the RRC connection foundation completion (RRCConnectionSetupComplete) that UE sends, and sends initial UE information (Initial UE message) message to agent node.
In order to save Internet resources and to reduce time delay, fringe node can have study mechanism.Preferable; After step 505; This UE ask the MME and the access reason of access when fringe node can also register reject UE inserts; After receiving that once more request that UE sends inserts the RRC connection request message of access reason of MME and record of record, and during the local overload indication that this MME arranged, directly return the RRC connection refused message to UE.
MME sends overload to agent node and stops (Overload Stop) message after finding self to remove overload, removes with the notification agent node overload.Overload termination messages portability has the correlated identities of the MME of the overload removed.Agent node is deleted corresponding overload messages according to the correlated identities of the MME that the overload termination messages carries, and sends the overload termination messages to fringe node, removes with notice fringe node overload.Agent node can receive whenever that an overload termination messages just sends to fringe node and once transship termination messages, and this mode is applicable to mainly that overload that agent node sends to fringe node starts and the overload termination messages comprises the situation of MME correlated identities.Perhaps; After agent node is received the overload termination messages and is found that all local MME overload messages are all deleted; Send to fringe node and once to transship termination messages, this mode mainly is applicable to the situation that overload indication that agent node sends to fringe node and overload termination messages do not comprise the MME correlated identities.Deletion corresponding M ME overload was indicated after fringe node was received the overload termination messages.
If the overload termination messages carries the correlated identities of MME, then need improve the overload termination messages, the instance of an overload termination messages is as shown in table 1:
Table 1
Referring to Fig. 6, the process flow of access procedure was following when agent node sent the indication of MME overload in the present embodiment:
MME starts (OVERLOAD START) message through overload and sends the MME overload messages to agent node when finding that self transships, and overload messages comprise the MME correlated identities and transship control strategy etc.The overload control strategy is refused all caller data services as to non-emergency call; To non-emergency call, refuse all caller signaling traffics; Only allow urgency traffic and called access.After agent node is received the MME overload messages, do not send the indication of MME overload to fringe node.
Step 601: fringe node receives the RRC connection request that UE sends.
Step 602: fringe node sends RRC to UE and connects foundation (RRCConnectionSetup) message.
Step 603: fringe node receives the RRC connection foundation completion (RRCConnectionSetupComplete) that UE sends.
Step 604: fringe node sends initial UE information (Initial UE message) message to agent node.Preferable, the initial UE informational message carries S-TMSI, GUMMEI and RRC and sets up at least one in the information such as reason.
Step 605: agent node judges according to the MME overload messages of this locality whether the MME that is asked in the initial UE informational message transships, if overload then continues step 606, otherwise continues step 607.Concrete, agent node judges whether local MME overload messages comprise the MME correlated identities that carries in the initial UE informational message, if do not comprise; Then continue step 607; If comprise, judge that then RRC in the initial UE informational message sets up the reason that refusal inserts in the control strategy whether reason belong to the MME overload messages, if; Then continue step 606, otherwise continue step 607.
If the initial UE informational message is not carried S-TMSI and GUMMEI etc., then agent node returns the message that the expression refusal inserts; Perhaps be left intact, make NAS (Non-Access Stratum) the layer timer expiry of UE, make access failure; Perhaps, agent node confirm one not overload MME and connect with it.
Step 606: agent node returns the court verdict that the expression refusal inserts to fringe node.Continue step 608.Judged result can be by NAS message (as adhering to refusal (attach reject) message) or S1-AP transmission of messages.S1-AP message can be redetermination, can also carry the reason that refusal inserts, like MME overload (MME overload).Perhaps, judged result is by existing S1-AP transmission of messages, such as down link NAS transmission (DOWNLINK NAS TRANSPORT) transmission of messages.
Step 607: agent node is transmitted the initial UE informational message to MME.
Step 608: fringe node discharges and is connected with the RRC of UE.
MME sends overload to agent node and stops (Overload Stop) message after finding self to remove overload, removes with the notification agent node overload.Overload termination messages portability has the correlated identities of the MME of the overload removed.Agent node is deleted corresponding overload messages according to the correlated identities of the MME that the overload termination messages carries.
Wherein, the structure example of the S1-AP message of redetermination is as shown in table 2 in the step 606.
Table 2
Present embodiment representes that in order to make down link NAS message transfer refusal inserts; In this message, increase the overload indication; And the existence of revising NAS-PDU is optional, so as can not fill in during the down link NAS message transfer that agent node transmission expression refusal inserts NAS-PDU this.An instance of down link NAS message transfer is as shown in table 3.
Table 3
In order to save Internet resources and to reduce time delay, fringe node can have study mechanism.Preferable; After step 601; Fringe node can also write down the MME correlated identities that carries when the UE request inserts and insert reason; Overtime and when knowing that refusal UE inserts when local timer (timer of the message term of validity), receive that once more request that UE sends inserts the RRC connection request message of access reason of MME and record of record after, directly return the RRC connection refused message to UE.Timer about the record term of validity can also be set in the fringe node, receive that in the term of validity of record request that UE sends inserts the RRC connection request message of access reason of MME and record of record after, directly return the RRC connection refused message to UE.When surpassing the term of validity of record, delete this record.
Understood the implementation procedure of controlling about overload in the access procedure through above description, this process is mainly realized by agent node and fringe node, introduces in the face of the internal structure and the function of these two devices down.
Referring to Fig. 7, agent node equipment comprises in the present embodiment: first interface module 701 and processing module 702.First interface module 701 comprises transceiving devices such as antenna.But processing module 702 can be performers such as CPU.
Inserting relevant message with UE is the initial UE informational message that carries the MME correlated identities; Perhaps, can insert relevant message with UE be to be used to seek advice from the access request message that insert, and this access request message carries the MME correlated identities.
Concrete; Processing module 702 judges whether the MME correlated identities that inserts in the overload messages that the MME correlated identities that carries in the relevant message and MME send with UE is consistent, if consistent, judges that then RRC in the message relevant with the UE access sets up the reason of refusing access in the control strategy whether reason belong to the MME overload messages; If; Then refuse UE and insert, if not, then allow UE to insert; If inconsistent, then allow UE to insert.The agent node device also comprises: second interface module 703, and referring to shown in Figure 8.Second interface module 703 is connected with UE and mutual various information, is used for when being initial UE informational message and refusal UE access with the relevant message of UE access, not transmitting the initial UE informational message to MME.
When being initial UE informational message and refusal UE access with the relevant message of UE access, first interface module 701 also is used for sending the message that is used to represent bust this to fringe node, and this message carries failure cause, transships like MME.Being used to represent that the message of bust this is NAS message, perhaps is S1-AP message.
When inserting relevant message for the access request message with UE, first interface module 701 also is used for sending the indication of MME overload to fringe node in advance.When acting on behalf of the overload messages of one of knot removal or all MME, first interface module 701 also is used for sending the overload termination messages to fringe node.Be the access request message when inserting relevant message, and judged result is that first interface module 701 also is used to receive the initial UE informational message that fringe node sends when allowing UE to insert with UE.
Agent node equipment also comprises the memory module that is used to store data such as overload messages, and this figure is not shown.
Referring to Fig. 9, fringe node equipment comprises in the present embodiment: sending module 901 and receiver module 902.Sending module 901 all is connected with agent node with receiver module 902.
Sending module 901 is used for sending and the relevant message of UE access to agent node.
Inserting relevant message with UE is the initial UE informational message that carries the MME correlated identities; Perhaps, can insert relevant message with UE be to be used to seek advice from the access request message that insert, and this access request message carries the MME correlated identities.
When inserting relevant message for the access request message with UE, receiver module 902 also is used to receive the MME overload indication that agent node sends.Fringe node equipment also comprises: logging modle 903; Referring to shown in Figure 10; Being used to write down UE asks the MME that inserts and inserts reason; Concrete, when when UE inserts relevant message and inserts for refusal UE for inserting request message and judged result, this UE ask the MME and the access reason of access when register reject UE inserted; MME correlated identities that carries in the record RRC connection request when perhaps the UE request inserts and access reason.Sending module 901 also is used for when knowing that refusal UE inserts, receive that once more request that UE sends inserts the MME of record and carries the RRC connection request message of access reason of record after, directly return the RRC connection refused message to UE.Receiver module 902 also is used to receive the overload termination messages that agent node sends.
Fringe node equipment also comprises: interface module 904, be connected and mutual various information with UE, and be used for when the message relevant with the UE access is refusal UE access for inserting request message and judged result, sending the RRC connection refused message to UE.It is when allowing UE to insert, to send the initial UE informational message to agent node for inserting request message and judged result that sending module 901 also is used for when inserting relevant message with UE.
When inserting relevant message with UE is that initial UE informational message and judged result are when refusing the UE access; Receiver module 902 is used to also to receive that agent node sends is used to represent the message of bust this and discharges and being connected of this UE; This message carries failure cause, transships like MME.Being used to represent that the message of bust this is NAS message, perhaps is S1-AP message.
Carry out load control by agent node in the embodiment of the invention with agent functionality; Then need not send the MME overload messages to fringe node; Perhaps need not send whole MME overload messages, obviously save network transmission resource, simplify the processing burden of fringe node.Preferable; Fringe node can carry out load control at different link request broker nodes in the embodiment of the invention; When request broker node behind the RRC connection request of receiving UE carried out load control, fringe node can obtain the indication of MME overload, had not only realized the overload control of access procedure; Can also have study mechanism, to save processing of request process behind the follow-up RRC of the receiving connection request.When request broker node after the initial UE informational message of receiving UE carries out load control; Need not send the MME overload messages to fringe node; Obviously reduced taking to Internet resources; And agent node can not return any message to fringe node when refusal UE inserts, and makes whole overload control not increase any transmission of messages; Perhaps, agent node returns the court verdict that expression is refused to fringe node when refusal UE inserts, and the reason that can also carry access failure is so that further pass through UE to the comparatively detailed failure information of user's output.
Those skilled in the art should understand that embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt the form of the embodiment of complete hardware embodiment, complete software implementation example or combination software and hardware aspect.And the present invention can be employed in the form that one or more computer-usable storage medium (including but not limited to magnetic disc store and optical memory etc.) that wherein include computer usable program code go up the computer program of implementing.
The present invention is that reference is described according to the flow chart and/or the block diagram of method, equipment (system) and the computer program of the embodiment of the invention.Should understand can be by the flow process in each flow process in computer program instructions realization flow figure and/or the block diagram and/or square frame and flow chart and/or the block diagram and/or the combination of square frame.Can provide these computer program instructions to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, make the instruction of carrying out through the processor of computer or other programmable data processing device produce to be used for the device of the function that is implemented in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame appointments.
These computer program instructions also can be stored in ability vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work; Make the instruction that is stored in this computer-readable memory produce the manufacture that comprises command device, this command device is implemented in the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
These computer program instructions also can be loaded on computer or other programmable data processing device; Make on computer or other programmable devices and to carry out the sequence of operations step producing computer implemented processing, thereby the instruction of on computer or other programmable devices, carrying out is provided for being implemented in the step of the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, belong within the scope of claim of the present invention and equivalent technologies thereof if of the present invention these are revised with modification, then the present invention also is intended to comprise these changes and modification interior.
Claims (32)
1. the processing method of an access procedure is characterized in that, may further comprise the steps:
What agent node reception fringe node sent inserts relevant message with UE;
The overload messages that agent node sends according to MME judge whether to allow UE to insert;
Agent node returns to fringe node with judged result; Perhaps
When judging that permission UE inserts, agent node continues processing and inserts relevant message with UE; When judging that refusal UE inserts, the agent node end operation.
2. the method for claim 1 is characterized in that, inserting relevant message with UE is the initial UE informational message that carries the MME correlated identities; Perhaps
Can insert relevant message with UE be to be used to seek advice from the access request message that insert, and this access request message carries the MME correlated identities.
3. the method for claim 1; It is characterized in that; The overload messages that agent node sends according to MME judge whether that the step that allows UE to insert comprises: agent node judges whether the MME correlated identities that inserts in the overload messages that the MME correlated identities that carries in the relevant message and MME send with UE is consistent, if consistent, judges that then RRC in the message relevant with the UE access sets up the reason of refusing access in the control strategy whether reason belong to the MME overload messages; If; Then refuse UE and insert, if not, then allow UE to insert; If inconsistent, then allow UE to insert;
When being initial UE informational message and refusal UE access with the relevant message of UE access, agent node is not transmitted the initial UE informational message to MME.
4. method as claimed in claim 3; It is characterized in that; When being initial UE informational message and refusal UE access with the relevant message of UE access, also comprise step: agent node sends the message that is used to represent bust this to fringe node, and this message carries failure cause.
5. method as claimed in claim 4 is characterized in that, is used to represent that the message of bust this is NAS message, perhaps is S1-AP message.
6. the method for claim 1 is characterized in that, when inserting relevant message for the access request message with UE, also comprise step: agent node sends the indication of MME overload to fringe node in advance.
7. method as claimed in claim 6 is characterized in that, when acting on behalf of the overload messages of one of knot removal or all MME, also comprises step: agent node sends the overload termination messages to fringe node.
8. the method for claim 1 is characterized in that, be the access request message when inserting relevant message with UE, and judged result is that also comprise step: agent node receives the initial UE informational message of fringe node transmission when allowing UE to insert.
9. the processing method of an access procedure is characterized in that, may further comprise the steps:
Fringe node sends with UE to agent node and inserts relevant message;
Fringe node receives the judged result that whether allows UE to insert that agent node returns.
10. method as claimed in claim 9 is characterized in that, inserting relevant message with UE is the initial UE informational message that carries the MME correlated identities; Perhaps
Can insert relevant message with UE be to be used to seek advice from the access request message that insert, and this access request message carries the MME correlated identities.
11. method as claimed in claim 10; It is characterized in that; When inserting relevant message with UE is when inserting request message, and fringe node also comprised step before agent node sends the message relevant with the UE access: receive the MME overload indication of agent node transmission.
12. method as claimed in claim 10 is characterized in that, when inserting relevant message for the access request message with UE, also comprises step: fringe node receives the indication of MME overload or the termination messages that transships that agent node sends.
13. method as claimed in claim 10 is characterized in that, when the message relevant with the UE access was refusal UE access for inserting request message and judged result, also comprise step: fringe node sent the RRC connection refused message to UE;
Is that also comprise step: fringe node sends the initial UE informational message to agent node when allowing UE to insert when inserting relevant message with UE for inserting request message and judged result.
14. method as claimed in claim 9; It is characterized in that; When inserting relevant message with UE is that initial UE informational message and judged result are when refusing the UE access; Also comprise step: fringe node receives that agent node sends is used to represent the message of bust this and discharges and being connected of this UE, and this message carries failure cause.
15. method as claimed in claim 14 is characterized in that, is used to represent that the message of bust this is NAS message, perhaps is S1-AP message.
16. like each described method among the claim 9-15; It is characterized in that; Also comprise step: fringe node record UE asks the MME that inserts and inserts reason; When knowing that refusal UE inserts, receive that once more request that UE sends inserts the MME of record and carries the RRC connection request message of access reason of record after, directly return the RRC connection refused message to UE.
17. an agent node equipment is characterized in that, comprising:
First interface module is used to receive that fringe node sends inserts relevant message with UE, and judged result is returned to fringe node; Perhaps, when judging that permission UE inserts, continue to handle with UE and insert relevant message; When judging that refusal UE inserts, end operation;
Processing module is used for judging whether to allow UE to insert according to the overload messages that MME sends, and generates judged result.
18. agent node equipment as claimed in claim 17 is characterized in that, inserting relevant message with UE is the initial UE informational message that carries the MME correlated identities; Perhaps
Can insert relevant message with UE be to be used to seek advice from the access request message that insert, and this access request message carries the MME correlated identities.
19. agent node equipment as claimed in claim 17 is characterized in that, processing module is judged with UE and is inserted the MME correlated identities unanimity whether in the overload messages of the MME correlated identities that carries in the relevant message and MME transmission; If it is consistent; Judge that then inserting RRC in the relevant message with UE sets up the reason that refusal inserts in the control strategy whether reason belong to the MME overload messages, if then refuse the UE access; If not, then allow UE to insert; If inconsistent, then allow UE to insert;
Also comprise: second interface module is used for when being initial UE informational message and refusal UE access with the relevant message of UE access, not transmitting the initial UE informational message to MME.
20. agent node equipment as claimed in claim 19; It is characterized in that; When being initial UE informational message and refusal UE access with the relevant message of UE access, first interface module also is used for sending the message that is used to represent bust this to fringe node, and this message carries failure cause.
21. agent node equipment as claimed in claim 20 is characterized in that, is used to represent that the message of bust this is NAS message, perhaps is S1-AP message.
22. agent node equipment as claimed in claim 17 is characterized in that, when inserting relevant message for the access request message with UE, first interface module also is used for sending the indication of MME overload to fringe node in advance.
23. agent node equipment as claimed in claim 22 is characterized in that, when acting on behalf of the overload messages of one of knot removal or all MME, first interface module also is used for sending the overload termination messages to fringe node.
24. agent node equipment as claimed in claim 17 is characterized in that, be the access request message when inserting relevant message with UE, and judged result is that first interface module also is used to receive the initial UE informational message that fringe node sends when allowing UE to insert.
25. a fringe node equipment is characterized in that, comprising:
Sending module is used for sending and the relevant message of UE access to agent node;
Receiver module is used to receive the judged result that whether allows UE to insert that agent node returns.
26. fringe node equipment as claimed in claim 25 is characterized in that, inserting relevant message with UE is the initial UE informational message that carries the MME correlated identities; Perhaps
Can insert relevant message with UE be to be used to seek advice from the access request message that insert, and this access request message carries the MME correlated identities.
27. fringe node equipment as claimed in claim 26 is characterized in that, when inserting relevant message for the access request message with UE, receiver module also is used to receive the MME overload indication that agent node sends.
28. fringe node equipment as claimed in claim 27 is characterized in that, receiver module also is used to receive the overload termination messages that agent node sends.
29. fringe node equipment as claimed in claim 26 is characterized in that, also comprises: interface module is used for when the message relevant with the UE access is refusal UE access for inserting request message and judged result, sending the RRC connection refused message to UE;
It is when allowing UE to insert, to send the initial UE informational message to agent node for inserting request message and judged result that sending module also is used for when inserting relevant message with UE.
30. fringe node equipment as claimed in claim 25; It is characterized in that; When inserting relevant message with UE is that initial UE informational message and judged result are when refusing the UE access; Receiver module is used to also to receive that agent node sends is used to represent the message of bust this and discharges and being connected of this UE, and this message carries failure cause.
31. fringe node equipment as claimed in claim 30 is characterized in that, is used to represent that the message of bust this is NAS message, perhaps is S1-AP message.
32. fringe node equipment as claimed in claim 25 is characterized in that, also comprises: logging modle is used to write down UE and asks the MME that inserts and insert reason;
Sending module also is used for when knowing that refusal UE inserts, receive that once more request that UE sends inserts the MME of record and carries the RRC connection request message of access reason of record after, directly return the RRC connection refused message to UE.
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| CN2010105319867A CN102469512A (en) | 2010-11-04 | 2010-11-04 | Method for processing access process and device for realizing same |
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| CN2010105319867A CN102469512A (en) | 2010-11-04 | 2010-11-04 | Method for processing access process and device for realizing same |
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| CN102469512A true CN102469512A (en) | 2012-05-23 |
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| WO2014019521A1 (en) * | 2012-08-03 | 2014-02-06 | 中兴通讯股份有限公司 | Method and device for selecting nas node |
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Application publication date: 20120523 |