CN102868634A - Method and device for congestion control and user equipment - Google Patents
Method and device for congestion control and user equipment Download PDFInfo
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- CN102868634A CN102868634A CN2011101855465A CN201110185546A CN102868634A CN 102868634 A CN102868634 A CN 102868634A CN 2011101855465 A CN2011101855465 A CN 2011101855465A CN 201110185546 A CN201110185546 A CN 201110185546A CN 102868634 A CN102868634 A CN 102868634A
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- 230000000977 initiatory effect Effects 0.000 claims description 37
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- 238000005516 engineering process Methods 0.000 claims description 8
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/26—Flow control; Congestion control using explicit feedback to the source, e.g. choke packets
- H04L47/266—Stopping or restarting the source, e.g. X-on or X-off
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/0247—Traffic management, e.g. flow control or congestion control based on conditions of the access network or the infrastructure network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
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Abstract
The invention is applicable to the communication field and provides a method and a device for congestion control and user equipment. The method comprises the steps that: the user equipment UE initiates a session management (SM) request or a mobility management (MM) request to a core network; the UE receives a rejection message, containing back-off time, sent by the core network due to SM congestion or MM congestion; and the UE runs a back-off timer according to the back-off time, monitors information of congestion release during the running of the back-off timer, and stops running the back-off timer when the information of congestion release is monitored. According to the invention, the UE monitors information of SM congestion release or MM congestion release during the running of the back-off timer so that the UE can timely acquire the information of network congestion release.
Description
Technical field
The invention belongs to the communications field, relate in particular to method, device and the subscriber equipment of congestion control.
Background technology
At present, congested (also claim overload) be the machine paid close attention to the most of operator to the problem of machine, therefore, how effectively to control and congestedly just become most important.Now, after the congestion problems standardization, control congestedly by three class schemes, be respectively: rollback timer, low priority indication and extended access restriction.Wherein, control congested mode by the rollback timer and be divided into again three kinds of mechanism: based on Access Point Name (Access Point Name, APN) session management (Session Management, SM) congestion control, mobile management (Mobility Management based on APN, MM) congestion control and general Non-Access Stratum (non-access stratum, NAS) level MM congestion control.
No matter be based on the SM congestion control of APN, based on MM congestion control or the general NAS level MM congestion control of APN, all there is a subject matter: at rollback timer run duration, even congested the releasing or subscriber equipment (User Equipment, UE) moved to a new SGSN or MME, UE also can't in time be known.
Summary of the invention
The embodiment of the invention provides a kind of method of congestion control, is intended to solve existingly control in the congested mode by the rollback timer, at rollback timer run duration, even congestedly remove the problem that UE also can't in time be known.
On the one hand, provide a kind of method of congestion control, described method comprises:
User equipment (UE) is to core network initiation session management SM request or mobile management MM request;
Described UE receives core network because the congested or congested refuse information that comprises the rollback time of sending of MM of SM;
Described UE is according to described rollback time operation rollback timer, and monitors the information of relieve congestion at described rollback timer run duration, if listen to the information of relieve congestion, then stops described rollback timer.
On the other hand, provide a kind of subscriber equipment, described subscriber equipment comprises:
The unit is initiated in request, is used for to core network initiation session management SM request or mobile management MM request;
The message sink unit is used for receiving described core network because the congested or congested refuse information that comprises the rollback time of sending of MM of SM;
The congestion detection unit is used for according to described rollback time operation rollback timer, and monitors the information of relieve congestion at described rollback timer run duration;
The rollback stop element if be used for the information that described congested monitoring unit listens to relieve congestion, then stops described rollback timer.
Simultaneously, one aspect of the present invention provides a kind of method of congestion control, and described method comprises:
When general Non-Access Stratum NAS level MM occurs when congested in core network,
After the MM request that the reception user equipment (UE) sends, return refuse information to described UE, described refuse information carries the rollback time;
Can reach timer MRT time and implicit attachment removal time during sum when the described rollback time greater than movement, described core network is adjusted MRT time and/or implicit attachment removal time, so that the described rollback time is less than MRT time and implicit attachment removal time sum.
On the other hand, provide a kind of device, described device comprises:
Congested judging unit, it is congested to be used for determining whether to have occured general Non-Access Stratum NAS level MM;
The request receiving unit is used for when described congested determining unit determines that the general NAS level MM of generation is congested, after the mobile management MM request that the reception user equipment (UE) sends, returns refuse information to described UE, and described refuse information carries the rollback time;
The time holding unit is used for can reaching timer MRT time and implicit attachment removal time during sum when the described rollback time greater than movement, and adjustment MRT time and/or implicit attachment removal time are so that the described rollback time is less than MRT time and implicit attachment removal time sum.
In embodiments of the present invention, by the information of UE at rollback timer run duration monitoring relieve congestion, can make UE in time know the discharged information of network congestion.
Description of drawings
Fig. 1 is the jamming control method flow chart that first embodiment of the invention provides;
Fig. 2 is the jamming control method flow chart that second embodiment of the invention provides;
Fig. 3 is the jamming control method flow chart that third embodiment of the invention provides;
Fig. 4 is the jamming control method flow chart that fourth embodiment of the invention provides;
Fig. 5 is the jamming control method flow chart that fifth embodiment of the invention provides;
Fig. 6 is the jamming control method flow chart that sixth embodiment of the invention provides;
Fig. 7 is the congestion control device schematic diagram that seventh embodiment of the invention provides;
Fig. 8 is the congestion control device schematic diagram that eighth embodiment of the invention provides.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
The embodiment of the invention makes UE in time know congested discharged information by the method that UE monitors the information of relieve congestion at rollback timer run duration.
The invention provides method, device and the subscriber equipment of congestion control:
A kind of method of congestion control, described method comprises:
User equipment (UE) is to core network initiation session management SM request or mobile management MM request;
UE receive core network owing to SM the congested or congested refuse information that comprises the rollback time of sending of MM;
Described UE is according to described rollback time operation rollback timer, and monitors the information of relieve congestion at described rollback timer run duration, if listen to the information of relieve congestion, then stops described rollback timer.
Further, described and comprise in the information that described rollback timer run duration is monitored relieve congestion:
When satisfying default condition, described UE initiates SM request or MM request to described core network;
If described UE receives the message that the described SM of acceptance asks or described MM asks that described core network sends, then judge the information that listens to relieve congestion.
Further, described default condition comprises following at least a:
Described rollback timer arrives a default thresholding running time; Or
Described UE detects new Routing Area Identifier RAI; Or
Described UE detects new tracking area identification TAI.
Further, described UE receives core network owing to SM after the congested or congested refuse information that comprises the rollback time of sending of MM, and described method also comprises:
The TAI tabulation that the Routing Area Identifier RAI that described UE preservation is current or current tracking area identification TAI or described refuse information comprise.
Further, described refuse information also comprises Routing Area Identifier RAI tabulation or tracking area identification TAI tabulation, the service area of a SGSN of described RAI tabulation expression, the service area of a MME of described TAI tabulation expression;
Described and comprise in the information that described rollback timer run duration is monitored relieve congestion:
During Route Area RA outside described UE moves to described RAI tabulation, or during the tracking area TA outside described UE moves to described TAI tabulation, then judgement listens to the information of relieve congestion.
Further, when the SM that is based on Access Point Name APN that occurs when described core network is congested, described and comprise in the information that described rollback timer run duration is monitored relieve congestion:
The MM flow process that described UE initiates by described core network or SM flow process or paging flow process or notice Notification flow process are monitored the information based on the SM relieve congestion of APN; Perhaps,
Described UE by RAU or TAU or periodically RAU or periodically TAU monitor information based on the SM relieve congestion of APN;
Perhaps,
That occur when described core network is general Non-Access Stratum NAS level MM when congested, described and comprise in the information that described rollback timer run duration is monitored relieve congestion:
When described UE moved to new Route Area RA or tracking area TA, described UE initiated routing region updating RAU or tracking area update TAU;
The SM flow process of initiating by described core network or called service flow process or paging flow process are monitored the information of general NAS level MM relieve congestion;
Perhaps,
That occur when described core network is general Non-Access Stratum NAS level MM when congested, described and comprise in the information that described rollback timer run duration is monitored relieve congestion:
When described UE moves to new Route Area RA or tracking area TA, described UE initiates routing region updating RAU request or tracking area update TAU request, if described UE receives the message of accepting this request that described core network sends, then judge the information that listens to relieve congestion.
Further, described core network comprises one or more service universal grouping wireless service technology support node SGSN and/or Mobility Management Entity MME.
A kind of subscriber equipment comprises:
The unit is initiated in request, is used for to core network initiation session management SM request or mobile management MM request;
The message sink unit, be used for receiving described core network owing to SM the congested or congested refuse information that comprises the rollback time of sending of MM;
Congested monitoring unit is used for according to described rollback time operation rollback timer, and monitors the information of relieve congestion at described rollback timer run duration;
The rollback stop element then stops described rollback timer if be used for the information that described congested monitoring unit listens to relieve congestion.
Further, comprise at least following any:
Condition is monitored module, be used for when satisfying when pre-conditioned, initiate SM request or MM request to described core network, then judge the information that listens to relieve congestion if receive the SM request of accepting that described core network sends or the message of MM request, described default condition comprises that the rollback timer arrives a default thresholding and/or detects new Routing Area Identifier RAI or new tracking area identification TAI running time;
The SGSN/MME mobile module is used for then judging the information that listens to relieve congestion when described subscriber equipment moves to new service universal grouping wireless service technology support node SGSN of described core network or new Mobility Management Entity MME;
First pass is monitored module, be used for MM flow process or SM flow process or the paging flow process of initiating by described core network or notify the information of Notification flow process monitoring based on the SM relieve congestion of Access Point Name APN, perhaps, by RAU or TAU or periodically RAU or periodically TAU monitor information based on the SM relieve congestion of APN;
The second flow process is monitored module, is used for initiating the information that SM flow process or called service flow process or paging flow process are monitored general Non-Access Stratum NAS level MM relieve congestion by described core network;
The 3rd flow process is monitored module, be used for when described subscriber equipment moves to new Route Area RA or tracking area TA and the RAU request of described subscriber equipment initiation routing region updating or tracking area update TAU request, if receive the message that the described RAU of acceptance asks or described TAU asks that described core network sends, then judge the information that listens to relieve congestion.
On the other hand, provide a kind of jamming control method, described method comprises:
When general Non-Access Stratum NAS level mobile management MM occurs when congested in core network, receive the MM request that user equipment (UE) sends after, return refuse information to described UE, described refuse information carries the rollback time;
Can reach timer MRT time and implicit attachment removal time during sum when the described rollback time greater than movement, described core network is adjusted MRT time and/or implicit attachment removal time, so that the described rollback time is less than MRT time and implicit attachment removal time sum.
Further, described core network comprises one or more service universal grouping wireless service technology support node SGSN and/or Mobility Management Entity MME.
A kind of device, described device comprises:
Congested determining unit, it is congested to be used for determining whether to occur general Non-Access Stratum NAS level mobile management MM;
The request receiving unit is used for when described congested determining unit determines that the general NAS level MM of generation is congested, after the MM request that the reception user equipment (UE) sends, returns refuse information to described UE, and described refuse information carries the rollback time;
The time holding unit is used for can reaching timer MRT time and implicit attachment removal time during sum when the described rollback time greater than movement, and adjustment MRT time and/or implicit attachment removal time are so that the rollback time is less than MRT time and implicit attachment removal time sum.
For technical solutions according to the invention are described, describe below by specific embodiment.
Embodiment one:
Be illustrated in figure 1 as the flow chart of the jamming control method that first embodiment of the invention provides, for convenience of explanation, only show the part relevant with the embodiment of the invention.
1. core network judges that SM has occured is congested or MM is congested.
In embodiments of the present invention, SM is congested or MM is congested includes but not limited to: the SM based on APN is congested, or congested based on the MM of APN, or general NAS level MM is congested.Core network comprises one or more service universal grouping wireless service technology support nodes (Servicing GPRS Support Node, SGSN) and/or Mobility Management Entity (Mobility Management Entity, MME).
2.UE initiate SM request or MM request to core network.
3. the SM request of core network refusal UE initiation or MM request, and return the rollback time.
In embodiments of the present invention, because this moment, core network judged that SM has occured is congested or MM is congested, therefore, core network is after receiving the SM request or MM request that UE sends, send the message that SM asks or MM asks that refusal UE sends, this message carries the rollback time.
4.UE according to rollback timer of rollback time operation, monitor the information of relieve congestion at rollback timer run duration.
In embodiments of the present invention, UE receive rollback that core network returns after the time according to this rollback time rollback timer of operation and forbid SM or the MM flow process.It is congested or whether MM is congested remove that UE can monitor SM at rollback timer run duration, makes UE can in time learn the information of the congested or MM relieve congestion of SM.
In embodiments of the present invention, the method that UE monitors the information of the congested or MM relieve congestion of SM has multiple, is respectively:
A, when satisfying default condition, UE initiates SM request or MM request, judges whether to listen to the information of relieve congestion by the message that whether receives the SM request of accepting that core network sends or MM request.
In embodiments of the present invention, under default condition, if SM request or MM request that UE attempts initiating are accepted then to illustrate the information that listens to relieve congestion by core network, it is congested or MM is congested that core network has been removed SM; If the SM that UE initiates request or MM request are not accepted by core network, then explanation does not hear the information of relieve congestion, and it is congested or MM is congested that core network is not yet removed SM.Wherein, default condition comprises at least a of following condition: the rollback timer arrives a default thresholding running time, or UE detects new RAI (Routing Area Identification, Routing Area Identifier), or UE detects new TAI (Tracking Area Identification, or the UE needs of exist initiating SM or MM flow process tracking area identification).Default thresholding includes but not limited to: the time passes 1/4th, the time is more than half, the time passes four/and third-class.Its specific implementation as shown in Figure 2, follow-up will being described in detail do not repeat them here.
B, UE judge whether to listen to the information of relieve congestion by having judged whether to move to a new SGSN in the core network or new MME.
In embodiments of the present invention, if UE has moved in the core network a new SGSN or MME, and this new SGSN or MME are not in the congested or MM congestion state of SM, and then expression listens to the information of relieve congestion.This moment, UE can normally initiate SM request or MM request.Its specific implementation as shown in Figure 3, follow-up will being described in detail do not repeat them here.
C, the MM flow process of initiating by core network or SM flow process or paging flow process or notice Notification flow process are monitored the information based on the SM relieve congestion of APN, and perhaps, the MM flow process of initiating by UE is monitored the information based on the SM relieve congestion of APN.
Its specific implementation as shown in Figure 4, follow-up will being described in detail do not repeat them here.
D, SM flow process or called service flow process or the paging flow process initiated by core network or the information of monitoring general NAS level MM relieve congestion.
Its specific implementation as shown in Figure 5, follow-up will being described in detail do not repeat them here.
5. if the information that listens to relieve congestion then UE stops the rollback timer.
In embodiments of the present invention, listen to the information of the congested or MM relieve congestion of SM as UE after, stop the rollback timer.The SM that recovery is forbidden or MM flow process.
In embodiments of the present invention, monitor the information of the congested or MM relieve congestion of SM by UE at rollback timer run duration, can make UE in time know the discharged information of network congestion.
Embodiment two:
Be illustrated in figure 2 as the flow chart of the jamming control method that second embodiment of the invention provides, for convenience of explanation, only show the part relevant with the embodiment of the invention.
1. core network judges that SM has occured is congested or MM is congested.
2.UE initiate SM request or MM request to core network.
3. the SM request of core network refusal UE initiation or MM request, and return the rollback time.
4.UE according to rollback time operation rollback timer.
In embodiments of the present invention, if core network returns is the message of refusal MM request, can be for UE distribute a RAI or a TAI tabulation (a plurality of TAI) in the refuse information, UE should preserve current RAI or TAI voluntarily.UE forbids SM or MM flow process that self initiates, but does not forbid SM or MM flow process that network is initiated when operation rollback timer.
5. when satisfying when pre-conditioned, UE attempts initiating SM request or MM request.
Although UE forbids SM or the MM flow process self initiated, when satisfying default condition, congested or MM is congested if the SM that UE can attempt initiating request or MM request are accepted then to illustrate that by SGSN or MME SGSN or MME have removed SM; If the SM that UE initiates request or MM request are accepted by SGSN or MME, it is congested or MM is congested to illustrate that then SGSN or MME not yet remove SM.Wherein, default condition comprises at least one of following condition: the rollback timer arrives a default thresholding running time, or UE detects new RAI, or UE detects new TAI, or there is the demand of initiating the SM flow process in UE.Default thresholding includes but not limited to: the time passes 1/4th, the time is more than half, the time passes four/and third-class.
6. core network returns the message of accepting SM request or MM request.
In embodiments of the present invention, if core network is accepted SM request or MM request, it is congested or MM is congested to illustrate that then core network has been removed SM, and namely UE listens to the information of relieve congestion.
7.UE stop the rollback timer.
In embodiments of the present invention, UE stops the rollback timer and represents congestedly to remove, and recovers forbidden SM or MM flow process.
In embodiments of the present invention, if the SM that UE initiates request or MM request are not accepted by core network, it is congested or MM is congested to illustrate that then core network is not yet removed SM, waits for and again attempts initiate SM request or MM request after satisfying default condition next time.
In embodiments of the present invention, by under default condition, UE attempts initiating SM request or MM request, so that UE can in time be known the discharged information of network congestion.
Embodiment three:
Be illustrated in figure 3 as the flow chart of the jamming control method that third embodiment of the invention provides, for convenience of explanation, only show the part relevant with the embodiment of the invention.
In embodiments of the present invention, core network comprises a plurality of SGSN or MME, and this sentences UE, and to move to the 2nd SGSN/MME from a SGSN/MME be that example illustrates.
1. a SGSN/MME judges that SM has occured is congested or MM is congested.
2.UE initiate SM request or MM request to a SGSN/MME.
3. the SM request of SGSN/MME refusal UE initiation or MM request, and return rollback time and RAI tabulation or TAI tabulation.
In embodiments of the present invention, the service area of a SGSN of RAI tabulation expression, the service area of a MME of TAI tabulation expression.
4.UE preserve RAI tabulation or TAI tabulation, according to rollback time operation rollback timer.
In embodiments of the present invention, because UE has learnt that a SGSN/MME is in congestion state, so forbid SM or MM flow process.
5. when UE moves to RA (Routing Area, Route Area) outside the RAI tabulation, or when UE moves to TA (Tracking Area, tracking area) outside the TAI tabulation, deletion RAI tabulation or TAI tabulation, and stop the rollback timer.
In embodiments of the present invention, by judging whether UE moves to RA outside the RAI tabulation or UE and whether move to that TA judges whether UE has moved to a new SGSN or new MME outside the TAI tabulation.When the RA in rollback timer run duration outside UE moves to RAI tabulation or UE move to outside the TAI tabulation TA, think that UE has moved to a new SGSN or new MME, the SGSN that UE acquiescence is new or new MME are not congested, think the information that listens to relieve congestion when moving to outside the TAI tabulation TA so UE judges RA outside the RAI tabulation or UE.Then UE stops the rollback timer, recovers SM or MM flow process, and namely UE can initiate SM or MM flow process to new SGSN or MME.
6.UE initiate SM request or MM request to the 2nd SGSN/MME.
7. the 2nd SGSN/MME accepts SM request or the MM request that UE initiates.
In embodiments of the present invention, if the 2nd SGSN/MME that UE moves to is not in the congested or MM congestion state of SM, but then normal process UE SM request or the MM request of sending.If the 2nd SGSN/MME that UE moves to is in the congested or MM congestion state of SM, then execution in step 8.
8. the SM request of the 2nd SGSN/MME refusal UE initiation or MM request, and return new rollback time and RAI tabulation/TAI tabulation.
In embodiments of the present invention, if the 2nd SGSN/MME that UE moves to is in the congested or MM congestion state of SM, then refuse SM request or MM request that UE sends, and return new rollback time and new RAI tabulation or TAI tabulation.
9.UE according to the new new rollback timer of rollback time operation, and preserve new RAI tabulation/TAI tabulation.
In embodiments of the present invention, whether move to TA outside the TAI tabulation by judging RA or UE that whether UE moves to outside the RAI tabulation, UE can perception have been moved to new SGSN or MME and think the information that listens to relieve congestion.
Embodiment four:
Be illustrated in figure 4 as the flow chart of the jamming control method that fourth embodiment of the invention provides, for convenience of explanation, only show the part relevant with the embodiment of the invention.This moment, core network occured based on the SM of APN congested.
1. the core network judgement has occured based on the SM of APN congested.
2.UE initiate the SM request to core network.
3. the SM request of core network refusal UE initiation, and return the rollback time.
4.UE according to rollback time operation rollback timer.
In embodiments of the present invention, because the SM that is based on APN that occurs is congested, therefore forbid the SM flow process, the MM flow process can normally be carried out.
5. the core network judgement is removed based on the SM of APN is congested.
6. core network initiates MM flow process or SM flow process or paging flow process or notice Notification flow process notice UE is congested to remove, and perhaps UE is congested removes for the MM flow process notice initiated by UE of core network.
In embodiments of the present invention, the MM flow process of UE initiation includes but not limited to routing region updating (Routing Area Update, RAU) or tracking area update (Tracking Area Update, TAU) or periodicity RAU or TAU flow process.
In embodiments of the present invention, for UE, information based on the SM relieve congestion of APN includes but not limited to: UE detects SM flow process or paging flow process or the Notification flow process that core network is initiated, perhaps, the RAU that initiates by UE of UE or TAU or periodically RAU or periodically the MM flow process initiated of TAU or network receive and stop the indication of rollback timer or relieve congestion indication.
If UE has moved to new SGSN or new MME, and new SGSN or new MME are not congested, then new SGSN or new MME can be known UE at operation rollback timer from old SGSN or MME, and then new SGSN or new MME should replace old SGSN or MME notice UE to remove based on the SM of APN is congested.
7.UE stop the rollback timer.
In embodiments of the present invention, UE stops to recover behind the rollback timer SM flow process of forbidding.
In embodiments of the present invention, when SGSN/MME remove congested after proactive notification UE, make UE can in time know the discharged information of network congestion.
Embodiment five:
Be illustrated in figure 5 as the flow chart of the jamming control method that fifth embodiment of the invention provides, for convenience of explanation, only show the part relevant with the embodiment of the invention.Among this embodiment, it is congested that general NAS level MM has occured core network, and UE has been in attachment state.
1. core network judges that general NAS level MM has occured is congested.
2.UE initiate the MM request to core network.
3. the MM request of core network refusal UE initiation, and return the rollback time.
4.UE according to rollback time operation rollback timer, UE keeps owing to move to RAU or the TAU of new RAI or TAI triggering, forbids other MM flow processs.
5. when UE moves to new RA or TA, initiate RAU or TAU.
In embodiments of the present invention, when UE moves to new RA or TA, initiate RAU or TAU, this moment, SGSN or MME just can learn the up-to-date positional information of UE and preservation according to RAU or the TAU that UE initiates.For RAU or the TAU request of UE, core network returns the message of refusal RAU or TAU.
6. core network is judged that general NAS level MM is congested and is removed.
7. UE is congested removes for core network notice.
In embodiments of the present invention, core network is after judging that general NAS level MM is congested and having removed, cross MM flow process that network initiates or SM flow process or called service flow process or paging flow process notice UE be congested according to the latest position information exchange of the UE that preserves and remove, the information of relieve congestion can be the message in flow process itself or the flow process carry stop the indication of rollback timer or relieve congestion is indicated.
In embodiments of the present invention, core network notice UE is congested removed also can for: when UE moves to new Route Area RA or tracking area TA, UE initiates RAU request or TAU request, if described UE receives the message of accepting this request that described core network sends, then judge the information that listens to relieve congestion.
8.UE stop the rollback timer.
In embodiments of the present invention, UE stops the rollback timer, recovers SM and the MM flow process of forbidding.
If UE has moved to new SGSN/MME, UE can detect and move to new RAI/TAI and initiated the RAU/TAU flow process, if new SGSN/MME is not congested, then can accept the RAU/TAU request, and this also is the congested discharged information of general NAS level MM for UE.
In embodiments of the present invention, general NAS level MM having occured when congested at SGSN/MME, UE has been kept RAU or TAU flow process, has been convenient to the latest position information that network is known UE, in order in time notify general NAS level congested discharged information to UE.
Embodiment six:
General NAS level MM occurs when congested in core network, and UE is in attachment state, and then in the situation that the rollback timer does not stop, UE can't carry out periodic RAU/TAU.Therefore, when the MM rollback time greater than time of the interval of periodicity RAU/TAU and implicit attachment removal during sum, core network may be carried out implicit attachment removal operation at rollback timer run duration.Fig. 6 shows a kind of method flow that addresses this problem, and for convenience of explanation, only shows the part relevant with the embodiment of the invention.
1. it is congested that core network determines to have occured general NAS level MM.
In embodiments of the present invention, core network comprises one or more SGSN and/or MME.
2.UE initiate the MM request to core network.
3. the MM request of core network refusal UE initiation, and return the rollback time.
4.UE according to rollback time operation rollback timer.
5. core network adjustment movement can reach timer MRT time and implicit attachment removal time sum, so that the rollback time can reach timer MRT time and implicit attachment removal time sum less than movement.
In embodiments of the present invention, when the rollback time greater than time of MRT time and implicit attachment removal during sum, core network by increasing MRT time or implicit attachment removal time so that the rollback time less than MRT time and implicit attachment removal time sum.Wherein, the MRT time comprises: when MRT was in operation, the MRT time was remaining running time; When MRT stops, when implicit attachment removal timer was in operation, the MRT time was 0.The implicit attachment removal time comprises: when implicit attachment removal timer not yet moved, this time was the running time of its setting; When implicit attachment removal timer was in operation, this time was remaining running time.
6.UE after the rollback timer time of operation arrives, recover forbidden MM flow process.
7.UE the time of RAU or TAU of periodically carrying out arrives.
8.UE initiate the request of periodicity RAU or TAU to core network.
9. the core network MRT that resets reruns MRT.
10. if relieve congestion, then core network is accepted periodicity RAU that UE initiates or the request of TAU; Otherwise, the request of refusal UE.
In embodiments of the present invention, by adjusting MRT time and implicit attachment removal time, prevented to carry out implicit attachment removal operation at rollback timer run duration core network.
Embodiment seven:
The structural representation of the subscriber equipment that Fig. 7 provides for the embodiment of the invention for convenience of explanation, only shows the part relevant with the embodiment of the invention.Wherein, described subscriber equipment comprises:
In embodiments of the present invention, core network comprises one or more SGSN and/or MME.
In embodiments of the present invention, if core network is not in the congested or MM congestion state of SM, what then message sink unit 72 received is the SM request of accepting of core network initiation or the message of MM request; If core network is in the congested or MM congestion state of SM, what then message sink unit 72 received is the refuse information that comprises the rollback time that core network sends.
In embodiments of the present invention, SM is congested or MM is congested includes but not limited to: the SM based on APN is congested, or congested based on the MM of APN, or general NAS level MM is congested.
In embodiments of the present invention, because the method that congested monitoring unit 73 is monitored relieve congestion information is different, with congested monitoring unit 73 comprise at least following any, condition monitors that module 731, SGSN/MME mobile module 732, first pass are monitored module 733, the second flow process monitors module 734 and the 3rd flow process is monitored module 735.Wherein:
Condition is monitored module 731, be used for when satisfying default condition, initiate SM request or MM request to core network, then judge the information that listens to relieve congestion if receive the SM request of accepting that core network sends or the message of MM request, default condition comprises that the rollback timer arrives a default thresholding running time and/or subscriber equipment detects new RAI or there are the needs of initiating SM or MM flow process in new TAI and/or UE.Wherein, default thresholding include but not limited to the time pass 1/4th, the time is more than half, the time passes four/third-class.
SGSN/MME mobile module 732 is used for judging the information that listens to relieve congestion when subscriber equipment moves to new SGSN of core network or new MME.
First pass is monitored module 733, be used for MM flow process or SM flow process or the paging flow process of initiating by core network or notify the information of Notification flow process monitoring based on the SM relieve congestion of APN, perhaps, by RAU or TAU or periodically RAU or periodically TAU monitor information based on the SM relieve congestion of APN.
The second flow process is monitored module 734, is used for initiating the information that SM flow process or called service flow process or paging flow process are monitored general NAS level MM relieve congestion by core network.
The 3rd flow process is monitored module 735, be used for when subscriber equipment moves to new Route Area RA or tracking area TA and the RAU request of subscriber equipment initiation routing region updating or tracking area update TAU request, if receive the RAU request of accepting that core network sends or the message of TAU request, then judge the information that listens to relieve congestion.
In embodiments of the present invention, by the information of UE at rollback timer run duration monitoring relieve congestion, can make UE in time know the discharged information of network congestion.
Embodiment eight:
The structural representation of the device that Fig. 8 provides for eighth embodiment of the invention for convenience of explanation, only shows the part relevant with the embodiment of the invention.This device can be to be built in the unit that software unit, hardware cell or software and hardware in the core network combine, and perhaps is integrated in the application system of core network or core network as suspension member independently.Wherein:
Congested judging unit 81, it is congested to be used for determining whether to occur general Non-Access Stratum NAS level MM.
In embodiments of the present invention, core network keeps the rollback time less than MRT time and implicit attachment removal time sum by reducing MRT time or implicit attachment removal time.
In embodiments of the present invention, by adjusting MRT time and implicit attachment removal time, prevented to carry out implicit attachment removal operation at rollback timer run duration core network.One of ordinary skill in the art will appreciate that, realize that all or part of step in above-described embodiment method is to come the relevant hardware of instruction to finish by program, described program can be in being stored in a computer read/write memory medium, described storage medium is such as ROM/RAM, disk, CD etc.
The above only is preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (12)
1. a jamming control method is characterized in that, described method comprises:
User equipment (UE) is to core network initiation session management SM request or mobile management MM request;
Described UE receive described core network owing to SM the congested or congested refuse information that comprises the rollback time of sending of MM;
Described UE is according to described rollback time operation rollback timer, and monitors the information of relieve congestion at described rollback timer run duration, if listen to the information of relieve congestion, then stops described rollback timer.
2. the method for claim 1 is characterized in that, and is described and comprise in the information that described rollback timer run duration is monitored relieve congestion:
When satisfying default condition, described UE initiates SM request or MM request to described core network;
If described UE receives the message that the described SM of acceptance asks or described MM asks that described core network sends, then judge the information that listens to relieve congestion.
3. method as claimed in claim 2 is characterized in that, described default condition comprises following at least a:
Described rollback timer arrives a default thresholding running time; Or
Described UE detects new Routing Area Identifier RAI; Or
Described UE detects new tracking area identification TAI.
4. the method for claim 1 is characterized in that, described UE receives core network owing to SM after the congested or congested refuse information that comprises the rollback time of sending of MM, and described method also comprises:
The TAI tabulation that the Routing Area Identifier RAI that described UE preservation is current or current tracking area identification TAI or described refuse information comprise.
5. the method for claim 1 is characterized in that,
Described refuse information also comprises Routing Area Identifier RAI tabulation or tracking area identification TAI tabulation, the service area of a SGSN of described RAI tabulation expression, the service area of a MME of described TAI tabulation expression;
Described and comprise in the information that described rollback timer run duration is monitored relieve congestion:
During Route Area RA outside described UE moves to described RAI tabulation, or during the tracking area TA outside described UE moves to described TAI tabulation, then judgement listens to the information of relieve congestion.
6. the method for claim 1 is characterized in that,
When the SM that is based on Access Point Name APN that occurs when described core network is congested, described and comprise in the information that described rollback timer run duration is monitored relieve congestion:
The MM flow process that described UE initiates by described core network or SM flow process or paging flow process or notice Notification flow process are monitored the information based on the SM relieve congestion of APN; Perhaps,
Described UE by RAU or TAU or periodically RAU or periodically TAU monitor information based on the SM relieve congestion of APN;
Perhaps,
That occur when described core network is general Non-Access Stratum NAS level MM when congested, described and comprise in the information that described rollback timer run duration is monitored relieve congestion:
When described UE moved to new Route Area RA or tracking area TA, described UE initiated routing region updating RAU or tracking area update TAU;
The SM flow process of initiating by described core network or called service flow process or paging flow process are monitored the information of general NAS level MM relieve congestion;
Perhaps,
That occur when described core network is general Non-Access Stratum NAS level MM when congested, described and comprise in the information that described rollback timer run duration is monitored relieve congestion:
When described UE moves to new Route Area RA or tracking area TA, described UE initiates routing region updating RAU request or tracking area update TAU request, if described UE receives the message of accepting this request that described core network sends, then judge the information that listens to relieve congestion.
7. such as the arbitrary described method of claim 1 to 6, it is characterized in that described core network comprises one or more service universal grouping wireless service technology support node SGSN and/or Mobility Management Entity MME.
8. a jamming control method is characterized in that, described method comprises:
When general Non-Access Stratum NAS level mobile management MM occurs when congested in core network, receive the MM request that user equipment (UE) sends after, return refuse information to described UE, described refuse information carries the rollback time;
Can reach timer MRT time and implicit attachment removal time during sum when the described rollback time greater than movement, described core network is adjusted MRT time and/or implicit attachment removal time, so that the described rollback time is less than MRT time and implicit attachment removal time sum.
9. method as claimed in claim 8 is characterized in that, described core network comprises one or more service universal grouping wireless service technology support node SGSN and/or Mobility Management Entity MME.
10. a subscriber equipment is characterized in that, described subscriber equipment comprises:
The unit is initiated in request, is used for to core network initiation session management SM request or mobile management MM request;
The message sink unit, be used for receiving described core network owing to SM the congested or congested refuse information that comprises the rollback time of sending of MM;
Congested monitoring unit is used for according to described rollback time operation rollback timer, and monitors the information of relieve congestion at described rollback timer run duration;
The rollback stop element then stops described rollback timer if be used for the information that described congested monitoring unit listens to relieve congestion.
11. subscriber equipment as claimed in claim 10 is characterized in that, described congested monitoring unit comprise at least following any:
Condition is monitored module, be used for when satisfying when pre-conditioned, initiate SM request or MM request to described core network, then judge the information that listens to relieve congestion if receive the SM request of accepting that described core network sends or the message of MM request, described default condition comprises that the rollback timer arrives a default thresholding and/or detects new Routing Area Identifier RAI or new tracking area identification TAI running time;
The SGSN/MME mobile module is used for then judging the information that listens to relieve congestion when described subscriber equipment moves to new service universal grouping wireless service technology support node SGSN of described core network or new Mobility Management Entity MME;
First pass is monitored module, be used for MM flow process or SM flow process or the paging flow process of initiating by described core network or notify the information of Notification flow process monitoring based on the SM relieve congestion of Access Point Name APN, perhaps, by RAU or TAU or periodically RAU or periodically TAU monitor information based on the SM relieve congestion of APN;
The second flow process is monitored module, is used for initiating the information that SM flow process or called service flow process or paging flow process are monitored general Non-Access Stratum NAS level MM relieve congestion by described core network;
The 3rd flow process is monitored module, be used for when described subscriber equipment moves to new Route Area RA or tracking area TA and the RAU request of described subscriber equipment initiation routing region updating or tracking area update TAU request, if receive the message that the described RAU of acceptance asks or described TAU asks that described core network sends, then judge the information that listens to relieve congestion.
12. a device is characterized in that, described device comprises:
Congested determining unit, it is congested to be used for determining whether to occur general Non-Access Stratum NAS level mobile management MM;
The request receiving unit is used for when described congested determining unit determines that the general NAS level MM of generation is congested, after the MM request that the reception user equipment (UE) sends, returns refuse information to described UE, and described refuse information carries the rollback time;
The time holding unit is used for can reaching timer MRT time and implicit attachment removal time during sum when the described rollback time greater than movement, and adjustment MRT time and/or implicit attachment removal time are so that the described rollback time is less than MRT time and implicit attachment removal time sum.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN201110185546.5A CN102868634B (en) | 2011-07-04 | 2011-07-04 | Method and device for congestion control and user equipment |
| PCT/CN2012/077834 WO2013004151A1 (en) | 2011-07-04 | 2012-06-29 | Congestion control method, device and user equipment |
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| CN201110185546.5A CN102868634B (en) | 2011-07-04 | 2011-07-04 | Method and device for congestion control and user equipment |
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| CN102868634A true CN102868634A (en) | 2013-01-09 |
| CN102868634B CN102868634B (en) | 2015-07-08 |
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| CN201110185546.5A Expired - Fee Related CN102868634B (en) | 2011-07-04 | 2011-07-04 | Method and device for congestion control and user equipment |
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| CN (1) | CN102868634B (en) |
| WO (1) | WO2013004151A1 (en) |
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| CN104202833A (en) * | 2014-09-15 | 2014-12-10 | 中国联合网络通信集团有限公司 | Signal strength display method, signal strength display device and base station |
| CN106961695A (en) * | 2016-01-11 | 2017-07-18 | 中兴通讯股份有限公司 | The management method of timer is forbidden in a kind of user equipment and connection |
| CN108282770A (en) * | 2017-01-06 | 2018-07-13 | 电信科学技术研究院 | A kind of newer method and device in Idle state tracing Area |
| CN108574964A (en) * | 2017-03-10 | 2018-09-25 | 电信科学技术研究院 | A kind of jamming control method and device of control face data |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2013004151A1 (en) | 2013-01-10 |
| CN102868634B (en) | 2015-07-08 |
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