CN102802217B - Network congestion control method and equipment - Google Patents
Network congestion control method and equipment Download PDFInfo
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- CN102802217B CN102802217B CN201210266832.9A CN201210266832A CN102802217B CN 102802217 B CN102802217 B CN 102802217B CN 201210266832 A CN201210266832 A CN 201210266832A CN 102802217 B CN102802217 B CN 102802217B
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Abstract
The invention discloses a network congestion control method and equipment, which are used for preventing network congestion from being aggravated when a user terminal converts a PLMN (Public Land Mobile Network). The network congestion control method comprises the following steps of: selecting the PLMN to be converted by UE (User Equipment); determining according to a corresponding relation of PLMN identification and relevant information of a mobile management retreat timer, and starting the operation of the mobile management retreat timer according to the relevant information of the mobile management retreat timer corresponding to the identification of the PLMN to be converted. The invention also discloses another network congestion control method and equipment simultaneously.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of method for controlling network congestion and equipment.
Background technology
3G (Third Generation) Moblie standardization body (3rd Generation Partnership Project, 3GPP) propose based on APN (Access Point Name, APN) congestion control mechanism (APN based Mobility Management control), the mobile management based on APN should be divided into control (APN based Mobility Management control) and the conversation management control (APN based Session Management control) based on APN based on the congestion control mechanism of APN, in TS23.401 standard, define network side judge whether APN congested foundation occurs based on APN congestion mechanism.
In the mobile management based on APN controls, contracted special APN user terminal (UE) initiate attachment request (attach request) to network side time, if network judges that this special APN occurs congested, then refuse the attachment request of this UE, and mobile management back off timer (mobility management back-off timer is carried in the refuse information generated, MM back-off timer), this refuse information is sent to this UE, UE is in reception this refuse information after obtaining this mobile management back off timer, any attaching process except urgency traffic and non-high-priority service was no longer initiated before this timer expiry.
Except the congestion control mechanism based on APN, 3GPP also proposed general Non-Access Stratum (Non-Access Stratum, NAS) mobile management congestion control mechanism, propose under general network over loading condition, network can refuse any mobile management scheduling request of UE, and mobile management back off timer is carried in the refuse information generated, UE is in reception this refuse information after obtaining this mobile management back off timer, before this timer expiry, no longer initiate except emergency service request, any mobility management process outside high-priority service and called service.
UE is at registering public land mobile network (Pubic Land Mobile Network, PLMN) after, download from the PLMN of current registration and preserve the list of PLMN of equal value, this list comprises: one group of PLMN of equivalent equivalence when PLMN or community select, and the mark of the PLMN of current registration, wherein, the combination being designated mobile country code (MCC) and mobile network code, MNC (MNC) of PLMN.UE is at each attachment/tracing section updating (Tracking area update, TAU) upgrade in process or delete the list of this PLMN of equal value, particularly, if UE accepts at attachment/TAU the list that have received new PLMN of equal value in (attach/TAU accept) message, then UE upgrades the list of the local PLMN of equal value preserved; If accept at attachment/TAU the list not comprising PLMN of equal value in message, then UE deletes the list of the local PLMN of equal value preserved.
Wherein, PLMN selects manual PLMN can be divided into select and automatic PLMN selection (specifically can see 3GPP TS23.122 agreement).So-called manually PLMN selection and user select PLMN to be accessed according to the list of the PLMN of display on UE, can show according to the priority of each PLMN; So-called PLMN selection and UE automatically automatically select PLMN to be accessed according to the priority orders of PLMN and initiate registration.
Specify in 3GPP agreement, when UE selects new PLMN, if selected PLMN is not the PLMN of equal value of current PLMN or current PLMN, then UE needs the mobile management back off timer stopping current operation, to access new PLMN.If UE is in the process running mobile management back off timer, have selected the new PLMN outside current PLMN and PLMN of equal value thereof, mobile management back off timer is stopped, then UE again resident before PLMN or its PLMN of equal value, now mobile management back off timer is ineffective, causes network congestion to aggravate.
Summary of the invention
The invention provides a kind of method for controlling network congestion and equipment, causing network congestion to aggravate in order to avoid user terminal when switching PLMN.
The concrete technical scheme that the embodiment of the present invention provides is as follows:
A kind of method for controlling network congestion, comprising:
User terminal UE selects to be switched Public Land Mobile Nerwork PLMN;
Described UE, according to the corresponding relation of the mark of PLMN and mobile management back off timer relevant information, determines the mobile management back off timer relevant information of the mark correspondence of described to be switched PLMN;
Described UE according to the mobile management back off timer relevant information determined, startup optimization mobile management back off timer.
A kind of method for controlling network congestion, comprising:
User terminal UE selects to be switched Public Land Mobile Nerwork PLMN;
When described UE determines the effective mark be designated in the identification list of the PLMN of temporary congestion of described to be switched PLMN, reselect to be switched PLMN.
For an equipment for web impact factor, comprising:
Selected cell, for selecting to be switched Public Land Mobile Nerwork PLMN;
Determining unit, for according to the mark of PLMN and the corresponding relation of mobile management back off timer relevant information, determines the mobile management back off timer relevant information of the mark correspondence of described to be switched PLMN;
Start unit, for according to the mobile management back off timer relevant information determined, startup optimization mobile management back off timer.
For an equipment for web impact factor, comprising:
Selected cell, for selecting to be switched Public Land Mobile Nerwork PLMN;
Determining unit, during for determining the effective mark be designated in the identification list of the PLMN of temporary congestion of described to be switched PLMN, reselects to be switched PLMN.
Based on technique scheme, in the embodiment of the present invention, after UE selects to be switched PLMN, according to the mark of PLMN and the corresponding relation of mobile management back off timer relevant information, determine the mobile management back off timer relevant information that to be switched PLMN is corresponding, again according to this mobile management back off timer relevant information startup optimization mobile management back off timer, thus the situation of the network congestion aggravation caused when effectively avoiding UE to switch PLMN, effectively can carry out web impact factor.
Meanwhile, when UE selects to be switched PLMN, forbid the PLMN that UE selects the effective mark in the identification list of the PLMN of temporary congestion corresponding, thus the situation of the network congestion aggravation caused when effectively avoiding UE to switch PLMN, effectively can carry out web impact factor.
Accompanying drawing explanation
Fig. 1 is the method flow diagram of web impact factor in first embodiment of the invention;
Fig. 2 is the method flow diagram of web impact factor in second embodiment of the invention;
Fig. 3 is the method flow diagram of web impact factor in the present invention first specific embodiment;
Fig. 4 is the method flow diagram of web impact factor in the present invention second specific embodiment;
Fig. 5 is the device structure schematic diagram for web impact factor in the embodiment of the present invention;
Fig. 6 be in the embodiment of the present invention another for the device structure schematic diagram of web impact factor.
Embodiment
In prior art, UE is after startup optimization mobile management back off timer, by selecting the new PLMN except current PLMN and PLMN of equal value thereof, mobile management back off timer is caused to stop, mobile management back off timer cannot be again started after again switching back current PLMN or its PLMN of equal value, web impact factor is caused to lose efficacy, aggravate the problem of current PLMN or its PLMN network congestion degree of equal value, embodiments provide method for controlling network congestion and equipment.
Below in conjunction with accompanying drawing, the preferred embodiment of the present invention is described in detail.
In first embodiment, as shown in Figure 1, provide a kind of method of carrying out web impact factor, its method detailed flow process is as follows:
Step 101:UE selects to be switched PLMN.
Wherein, there is mobile management back off timer if run under UE PLMN before the handover, the mark of PLMN before record switches and the corresponding relation of the mark of PLMN of equal value and mobile management back off timer relevant information thereof.
Step 102:UE, according to the corresponding relation of the mark of PLMN and mobile management back off timer relevant information, determines the mobile management back off timer relevant information of the mark correspondence of to be switched PLMN.
Particularly, if there is the mark of to be switched PLMN and corresponding mobile management back off timer relevant information thereof in the mark of PLMN that UE preserves this locality and the corresponding relation of mobile management back off timer relevant information, then obtain the mobile management back off timer of the mark correspondence of to be switched PLMN, determine whether that needs restart according to this mobile management back off timer relevant information and run mobile management back off timer; Otherwise UE initiates registration process to be switched PLMN network.
Step 103:UE according to the mobile management back off timer relevant information determined, startup optimization mobile management back off timer.
Wherein, UE according to the mobile management back off timer relevant information determined, when determining that mobile management back off timer is not out of date, startup optimization mobile management back off timer; Otherwise UE is according to the mobile management back off timer relevant information determined, when determining that mobile management back off timer is out of date, UE, without the need to starting mobile management back off timer, initiates registration process directly to be switched PLMN network.
In the present embodiment, mobile management back off timer relevant information at least comprises: the expiration time of mobile management back off timer.
Preferably, UE, according to the mobile management back off timer relevant information determined, when determining that mobile management back off timer is out of date, removes the mark of to be switched PLMN and the corresponding relation of mobile management back off timer of record.
In a specific implementation, when judging that whether mobile management back off timer is expired, the expiration time of the mobile management back off timer of current time and record can be compared, if current time has exceeded the expiration time of record, then determine that this mobile management back off timer is out of date; Otherwise determine not out of date, the expiration time arranging mobile management back off timer is this mobile management back off timer of startup optimization after the expiration time of record.
Preferably, during the PLMN before the to be switched PLMN that UE selects is not switch and PLMN of equal value thereof, again according to the mark of PLMN of preserving and the corresponding relation of mobile management back off timer relevant information, determine the mobile management back off timer relevant information of the mark correspondence of to be switched PLMN, and determine the need of startup optimization mobile management back off timer; If UE select to be switched PLMN be switch before PLMN or its grade PLMN, then UE maintain switch before PLMN under mobile management back off timer running status.
In second embodiment, as shown in Figure 2, provide the method that another kind carries out web impact factor, its method detailed flow process is as follows:
Step 201:UE selects to be switched PLMN.
Wherein, if run under UE PLMN before the handover and have mobile management back off timer, the corresponding relation of expiration time of the mark of PLMN before switching and the mark of PLMN of equal value and mobile management back off timer is saved to the identification list of the PLMN of temporary congestion, and the mobile management back off timer run under stopping the PLMN before switching.
When step 202:UE determines the effective mark be designated in the identification list of the PLMN of temporary congestion of to be switched PLMN, reselect to be switched PLMN.
In the present embodiment, in the identification list of the PLMN of temporary congestion, at least comprise the expiration time of PLMN mark and corresponding mobile management back off timer.
Wherein, UE determines the effective mark be designated in the identification list of the PLMN of temporary congestion of to be switched PLMN, be specially: UE determines to include in the identification list of the PLMN of temporary congestion the mark of to be switched PLMN, and determine that the mobile management back off timer of the mark correspondence of this to be switched PLMN is not out of date.
Wherein, UE determines not include to be switched PLMN mark in the identification list of the PLMN of temporary congestion, then initiate registration request directly to this to be switched PLMN; Or UE determines to include to be switched PLMN mark in the identification list of the PLMN of temporary congestion, and determines that the mobile management back off timer of the mark correspondence of this to be switched PLMN is out of date, then initiate registration request to this to be switched PLMN.
Preferably, when UE determines that the mobile management back off timer in the identification list of the PLMN of temporary congestion is expired, the mark of PLMN corresponding for expired mobile management back off timer is deleted from the identification list of the PLMN of temporary congestion.
Preferably, during the PLMN before the to be switched PLMN that UE selects is not switch and PLMN of equal value thereof, then by judging that whether to be switched PLMN is the effective mark in the identification list of the PLMN of temporary congestion, determine whether that permission UE switches to be switched PLMN; If the to be switched PLMN that UE selects is PLMN before switching and PLMN of equal value thereof, then maintain the running status of mobile management back off timer run under the PLMN before switching.
Be described respectively by the detailed process of two specific embodiments to two kinds of jamming control methods that the embodiment of the present invention provides below.
In following specific embodiment, refer to the back-off value of mobile management back off timer with T3346.
In first specific embodiment, as shown in Figure 3, the detailed process that the method adopting the first embodiment to provide carries out web impact factor is as follows:
Step 301:UE is under a PLMN, adopt this T3346 to arrange after receiving T3346 and start mobile management back off timer, in mobile management back off timer running, the 2nd PLMN, UE except UE gravity treatment to the PLMN of equal value except an a PLMN and PLMN stops the mobile management back off timer of current operation;
Step 302:UE records the mark (PLMN ID) of a PLMN and the mark of PLMN of equal value thereof, and the expired moment S1 of mobile management back off timer;
Whether step 303:UE, again after gravity treatment to the PLMN of equal value of an a PLMN or PLMN, before initiation registration process, exists the mark of the PLMN of equal value of a PLMN or a PLMN in the PLMN mark of UE query note;
Step 304: if exist, UE obtains the expired moment S1 of the mobile management back off timer of the identification record of the PLMN of equal value of an a corresponding PLMN or PLMN, judge that whether mobile management back off timer is expired according to this expired moment S1, particularly, by judging whether current time t2 exceedes expired moment S1 and determine that whether mobile management back off timer is expired;
Step 305: if determine not out of date, then the expired moment arranging mobile management back off timer is startup optimization after S1; If determine out of date, then remove the mark of a PLMN of record or the PLMN of equal value of a PLMN, and the expired moment S1 of mobile management back off timer.
Specific embodiment two, as shown in Figure 4, adopts the second embodiment supplying method to carry out the detailed process of web impact factor as follows:
Step 401:UE is under a PLMN, adopt this T3346 to arrange after receiving T3346 and start mobile management back off timer, in mobile management back off timer running, the 2nd PLMN, UE except UE gravity treatment to the PLMN of equal value except an a PLMN and PLMN stops the mobile management back off timer of current operation;
The mark of the PLMN of equal value of the mark of the one PLMN and a PLMN is saved to the list (temporary congested PLMN list) of the mark of the PLMN of temporary congestion by step 402:UE, and records the expired moment of corresponding mobile management back off timer;
When step 403:UE again selects PLMN and carries out background scans (background Scan), whether the PLMN selected by judgement is included in the list of the mark of the PLMN of temporary congestion, if comprise, then performs step 404, otherwise, perform step 406;
Step 404: judge that whether the mobile management back off timer of the mark of the PLMN selected by list correspondence of the mark of the PLMN of temporary congestion is expired further, if not out of date execution step 405, otherwise, perform step 406;
Step 405:UE does not select this PLMN, reselects PLMN;
Step 406:UE selects this PLMN, initiates registration process, and the expired moment of the list of deleting the mark of the PLMN of the temporary congestion mark of PLMN out of date and the mobile management back off timer of correspondence thereof.
Based on same inventive concept, the embodiment of the present invention additionally provides a kind of equipment for web impact factor, the concrete enforcement of this equipment can see the concrete enforcement of UE in above-mentioned first embodiment and the first specific embodiment, repetition part repeats no more, as shown in Figure 5, this equipment mainly comprises with lower unit:
Selected cell 501, for selecting to be switched PLMN;
Determining unit 502, for according to the mark of PLMN and the corresponding relation of mobile management back off timer relevant information, determines the mobile management back off timer relevant information of the mark correspondence of this to be switched PLMN;
Start unit 503, for according to the mobile management back off timer relevant information determined, startup optimization mobile management back off timer.
Wherein, selected cell also for: have mobile management back off timer if run under PLMN before the handover, the mark of PLMN before record switches and the corresponding relation of the mark of PLMN of equal value and mobile management back off timer relevant information thereof.
Wherein, start unit specifically for: according to the mobile management back off timer relevant information determined, when determining that mobile management back off timer is not out of date, startup optimization mobile management back off timer.
Preferably, also comprise clearing cell 504, for according to the mobile management back off timer relevant information determined, when determining that mobile management back off timer is out of date, remove the mark of to be switched PLMN and the corresponding relation of mobile management back off timer of record.
Based on same inventive concept, the embodiment of the present invention additionally provides the another kind of equipment for web impact factor, the concrete enforcement of this equipment can see the concrete enforcement of UE in above-mentioned second embodiment and the second specific embodiment, repetition part repeats no more, as shown in Figure 6, this equipment mainly comprises with lower unit:
Selected cell 601, for selecting to be switched PLMN;
Determining unit 602, during for determining the effective mark be designated in the identification list of the PLMN of temporary congestion of to be switched PLMN, reselects to be switched PLMN.
Wherein, the expiration time of PLMN mark and corresponding mobile management back off timer is at least comprised in the identification list of the PLMN of temporary congestion.
Wherein, determining unit specifically for: determine the mark including to be switched PLMN in the identification list of the PLMN of temporary congestion, and when determining that the mobile management back off timer of the mark correspondence of to be switched PLMN is not out of date, determine the effective mark be designated in the identification list of the PLMN of temporary congestion of to be switched PLMN.
Wherein, selected cell also for: have mobile management back off timer if run under PLMN before the handover, the corresponding relation of expiration time of the mark of PLMN before switching and the mark of PLMN of equal value and mobile management back off timer be saved to the identification list of the PLMN of temporary congestion.
Preferably, also comprise delete cells 603, during for determining that mobile management back off timer in the identification list of the PLMN of temporary congestion is expired, the mark of PLMN corresponding for expired mobile management back off timer is deleted from the identification list of the PLMN of temporary congestion.
Based on technique scheme, in the embodiment of the present invention, after UE selects to be switched PLMN, UE is according to the corresponding relation of the mark of PLMN and mobile management back off timer relevant information, determine the mobile management back off timer relevant information that to be switched PLMN is corresponding, again according to this mobile management back off timer relevant information startup optimization mobile management back off timer, thus the situation of the network congestion aggravation caused when effectively avoiding UE to switch PLMN, effectively can carry out web impact factor.
Meanwhile, when UE selects to be switched PLMN, forbid the PLMN that UE selects the effective mark in the identification list of the PLMN of temporary congestion corresponding, thus the situation of the network congestion aggravation caused when effectively avoiding UE to switch PLMN, effectively can carry out web impact factor.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (7)
1. a method for controlling network congestion, is characterized in that, comprising:
Run when having a mobile management back off timer under user terminal UE PLMN before the handover, record the corresponding relation of the mark of the PLMN before described switching and the mark of PLMN of equal value and described mobile management back off timer relevant information, and select to be switched Public Land Mobile Nerwork PLMN;
Described UE, according to the corresponding relation of the mark of PLMN and mobile management back off timer relevant information, determines the mobile management back off timer relevant information of the mark correspondence of described to be switched PLMN;
Described UE according to the mobile management back off timer relevant information determined, startup optimization mobile management back off timer.
2. the method for claim 1, is characterized in that, described UE is according to the mobile management back off timer relevant information determined, startup optimization mobile management back off timer, specifically comprises:
Described UE according to the mobile management back off timer relevant information determined, when determining that mobile management back off timer is not out of date, mobile management back off timer described in startup optimization.
3. the method for claim 1, is characterized in that, after determining the mobile management back off timer relevant information of the mark correspondence of described to be switched PLMN, also comprises:
Described UE, according to the mobile management back off timer relevant information determined, when determining that described mobile management back off timer is out of date, removes the mark of described to be switched PLMN and the corresponding relation of mobile management back off timer of record.
4. the method as described in any one of claim 1-3, is characterized in that, described mobile management back off timer relevant information at least comprises: the expiration time of described mobile management back off timer.
5. for an equipment for web impact factor, it is characterized in that, comprising:
Selected cell, when having mobile management back off timer for running under PLMN before the handover, record the corresponding relation of the mark of the PLMN before described switching and the mark of PLMN of equal value and described mobile management back off timer relevant information, and select to be switched Public Land Mobile Nerwork PLMN;
Determining unit, for according to the mark of PLMN and the corresponding relation of mobile management back off timer relevant information, determines the mobile management back off timer relevant information of the mark correspondence of described to be switched PLMN;
Start unit, for according to the mobile management back off timer relevant information determined, startup optimization mobile management back off timer.
6. equipment as claimed in claim 5, is characterized in that, described start unit specifically for:
According to the mobile management back off timer relevant information determined, when determining that described mobile management back off timer is not out of date, mobile management back off timer described in startup optimization.
7. equipment as claimed in claim 5, it is characterized in that, also comprise clearing cell, for according to the mobile management back off timer relevant information determined, when determining that described mobile management back off timer is out of date, remove the mark of described to be switched PLMN and the corresponding relation of mobile management back off timer of record.
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| CN201210266832.9A CN102802217B (en) | 2012-07-30 | 2012-07-30 | Network congestion control method and equipment |
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| CN201210266832.9A CN102802217B (en) | 2012-07-30 | 2012-07-30 | Network congestion control method and equipment |
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| CN102802217B true CN102802217B (en) | 2015-01-07 |
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| US20160127884A1 (en) * | 2013-07-18 | 2016-05-05 | Lg Electronics Inc. | Plmn selection method, and user equipment (as amended) |
| CN106559855A (en) * | 2015-09-24 | 2017-04-05 | 联芯科技有限公司 | The method and apparatus for improving PLMN BUCKET-BASED SEARCHING BACKGROUNDSearch efficiency |
| CN110100474B (en) * | 2017-11-28 | 2022-07-08 | 联发科技（新加坡）私人有限公司 | Mobile management congestion control method and user equipment |
| CN111434144B (en) * | 2018-01-17 | 2023-11-17 | 联发科技（新加坡）私人有限公司 | Method for changing between systems in wireless communication and wireless communication device |
| JP6884730B2 (en) * | 2018-06-21 | 2021-06-09 | シャープ株式会社 | UE communication control method |
| CN111200841B (en) * | 2018-11-16 | 2021-06-04 | 电信科学技术研究院有限公司 | Message sending and control method and device thereof |
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