CN101674636B - Congestion control method in third generation mobile communication - Google Patents
Congestion control method in third generation mobile communication Download PDFInfo
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- CN101674636B CN101674636B CN200810216106XA CN200810216106A CN101674636B CN 101674636 B CN101674636 B CN 101674636B CN 200810216106X A CN200810216106X A CN 200810216106XA CN 200810216106 A CN200810216106 A CN 200810216106A CN 101674636 B CN101674636 B CN 101674636B
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Abstract
The invention discloses a congestion control method in third generation mobile communication, comprising the following steps: starting a user calling function and requesting channel node resources from a system; judging whether the channel code resources are sufficient or not, and if the channel code resources are insufficient, judging the size of the base priority of a user calling request and the size of a speed-reduction priority threshold; when the base priority of the user calling request is larger than the speed-reduction priority threshold, selecting to carry out speed-reduction process to online users according to the size of the speed-reduction priority threshold; and when the speed reduction of online user calling is successful, accepting the user calling request by the system. As the channel code resources are insufficient, the method adopts the channel code resources for selecting online calling users to carry out speed reduction release according to the size of the speed-reduction priority threshold and satisfies a mode for requiring the channel code resources from the users, thereby effectively solving the problems that the user calling is difficult to access and the online user calling is easy to drop call as the channel code resources are insufficient and improving the working efficiency of the system.
Description
Technical field
The present invention relates to the method controlled in a kind of moving communicating field, relate in particular to congestion control method in a kind of 3G (Third Generation) Moblie.
Background technology
In the prior art, 3-G (Generation Three mobile communication system) be can support high-speed mobile environment, voice are provided, the advanced mobile radio communication of multiple business such as data and multimedia.System can carry out radio communication in order to guarantee user terminal UE; Must distribute the system resource that comprises transmitting power and channel code etc. to UE; But these system resources are limited, along with user's increase, and the system resource relative deficiency that just seems; To such an extent as to system can't satisfy the resource requirement that the multi-user carries out radio communication simultaneously, thereby cause occurring the limited situation of call acceptance.
In communication field; Any call request; Comprise from core net (CN), all need carry out the application and the distribution of bandwidth, when system resource is not enough, need take certain congested control measure according to the attribute of business through admitting control in abutting connection with the inner bandwidth request of radio network controller (RNC) radio network controller (RNC) (switching, dynamic channel sign indicating number distribute).
In communication process, produce under the congested situation; Can carry out different processing according to service quality (Qos) different attribute of requested service; Like different user, dissimilar business; In the RAB parameter that RAB (RAB) is assigned, stipulated should business whether to have and tolled breakdown other professional ability, this business and whether can be tolled breakdown and priority when tolling breakdown by other business; Having the high business of the ability of tolling breakdown and priority can toll breakdown and have by ability of tolling breakdown and the low business of priority, the system resource that the business that preempting priority is low takies.
In addition, in 3G (Third Generation) Moblie 3G system, class of business is a lot, according to the demands of different of business to time delay, can business be divided into real time business and non-real-time service.For non-real-time service, it is not high to delay requirement, generally under congestion situation, can rank, and the waiting system resource has calls out access when vacant again.
In above-mentioned congestion processing strategy, toll breakdown processing and belong to active strategy, but can cause conversation loss; Queuing is handled and to be belonged to the passive-type strategy, though can not produce the call drop problem, if the online user does not carry out the release of system resource, even queue capability is arranged, also is waiting system resource passively.When system calling is congested,, usually hope user as much as possible to be inserted, as few as possible conversation loss through certain active regulation and control from the angle of operator.
Therefore, prior art awaits to improve and development.
Summary of the invention
The object of the present invention is to provide congestion control method in a kind of 3G (Third Generation) Moblie, new calling party is produced when calling is carried out under the congestion situation, calling as much as possible inserts, the least possible calling party's call drop.
Technical scheme of the present invention is following:
Congestion control method in a kind of 3G (Third Generation) Moblie, its step is following:
A, the new calling party's call function of startup, and to system request dedicated channel sign indicating number resource;
Whether B, analysis and judgement dedicated channel sign indicating number resource be sufficient, when dedicated channel sign indicating number inadequate resource, and the size of analysis and judgement customer call request base priority and reduction of speed priority threshold then;
C, when new calling party's call request base priority more than or equal to the reduction of speed priority threshold; Then will call out reduction of speed and handle institute and discharge dedicated channel sign indicating number resource, but can satisfy online calling party's call business formation reduction of speed services sets of new calling party's call request dedicated channel sign indicating number resource; But selecting the minimum online calling party of the congested control priority of said reduction of speed service set to call out reduction of speed handles;
D, when said online calling party calls out reduction of speed success, then system admits said new calling party's call request.
Described method, wherein, said step B is further comprising the steps of:
B1, when dedicated channel sign indicating number resource is sufficient, then system admits said new calling party's call request.
Described method, wherein, said base priority is the priority-level according to type of service and allocation retention priority configuration.
Described method, wherein, but the condition of said reduction of speed services sets can further require to satisfy: but the base priority of reduction of speed business is smaller or equal to the base priority of new call request;
Described method, wherein, but online calling party's call business of said reduction of speed is made reduction of speed and is handled the minimum speed limit value that the minimum speed limit value that can reduce to need satisfy quality of service requirement.
Described method, wherein, said congested control priority, the priority-level that is disposed according to said base priority and online calling party's calling present rate.
Described method, wherein, said base priority is low more, and present rate is high more, and then congested control priority-level is low more.
Described method, wherein, the online calling party call business minimum when said congested control priority is a plurality of, then selects the minimum online calling party's call business of first congested control priority to carry out reduction of speed in order and handles.
Described method, wherein, in said reduction of speed is handled, reduction of speed targeted rate value by reduction of speed handle the release resource satisfy the flank speed of new calling party's call demand.
Congestion control method in a kind of 3G (Third Generation) Moblie provided by the present invention; Adopted when dedicated channel sign indicating number inadequate resource; Select online calling party to carry out reduction of speed and discharge dedicated channel resource; To satisfy the demand of new calling party, insert the problem of difficulty and the easy call drop of online calling party thereby solved effectively, thereby improved the operating efficiency of system owing to dedicated channel sign indicating number inadequate resource causes new customer call to dedicated channel sign indicating number resource.
Description of drawings
Fig. 1 is a jamming control method flow chart of the present invention;
Fig. 2 is a congested control practical implementation flow chart of the present invention.
Embodiment
Below in conjunction with accompanying drawing each preferred embodiment of the present invention is made a more detailed description.
Jamming control method in the 3G (Third Generation) Moblie of the present invention; Be applied to the user and carry out call business; To system request dedicated channel sign indicating number resource; But but system's assigned with dedicated channel sign indicating number resource can not satisfy the situation of customer service demand, and when this situation occurring, the present invention is not direct rejecting said request; But select the calling party who has set up calling to call out reduction of speed processing, the call request of admitting said calling party again after reduction of speed is handled successfully according to releasable dedicated channel sign indicating number resource situation and priority-level.
The congested control flow of the inventive method is as shown in Figure 1, and its concrete steps are following:
L1, new calling party start call function, to system request dedicated channel sign indicating number resource;
Whether the channel code resource is sufficient in L21, the analysis judgment system, and when the channel code inadequate resource, then whether the new calling party's call request of analysis and judgement base priority is more than or equal to the reduction of speed priority threshold;
Said base priority is that the level value is big more according to the priority-level of type of service and allocation retention priority configuration, and then priority-level is high more;
L22, when dedicated channel sign indicating number resource is sufficient, then system admits new calling party's call request;
L31, when dedicated channel sign indicating number inadequate resource; If new calling party's call request base priority is more than or equal to the reduction of speed priority threshold; Then will call out reduction of speed and handle institute and discharge the channel code resource, but can satisfy online calling party's formation reduction of speed services sets of new calling party's call request channel code resource;
But online calling party's call business of said reduction of speed is made reduction of speed and is handled the minimum speed limit value that the minimum speed limit value that can reduce to need satisfy quality of service requirement.
Alternatively, but the condition of said reduction of speed services sets can further require to satisfy: but the base priority of online calling party's call business of reduction of speed is smaller or equal to the base priority of new call request;
L32, when new calling party's call request base priority less than the reduction of speed priority threshold, then redirect execution in step L7;
But L4, select said reduction of speed service set according to the size of reduction of speed priority threshold, the online calling party that congested control priority is minimum calls out reduction of speed and handles;
Said congested control priority, according to the priority-level that said base priority and online calling party's calling present rate is disposed, said base priority is low more, and present rate is high more, and then congested control priority-level is low more;
The online calling party call business minimum when said congested control priority is a plurality of, then selects the minimum online calling party's call business of first congested control priority to carry out reduction of speed in order and handles;
In said reduction of speed is handled, reduction of speed targeted rate value by reduction of speed handle the release resource satisfy the flank speed of new calling party's call demand;
L5, judge that said online calling party calls out reduction of speed and handles whether success;
L61, handle successfully when said online calling party calls out reduction of speed, then system admits new calling party's call request;
L62,, said online calling party handles failure, then redirect execution in step L7 when calling out reduction of speed;
L7, carry out other congested control and treatment (as tolling breakdown processing, operations such as queuing processing etc.).
Congestion control method of the present invention is necessarily adjusted the dedicated channel sign indicating number resource of having used during according to system congestion, thereby reaches the purpose that reduces cutting off rate when improving call successful rate.
Jamming control method of the present invention is mainly used in the user when carrying out call business, and to system request dedicated channel sign indicating number resource, but but system's assigned with dedicated channel sign indicating number resource can not satisfy the situation of custom calling service demand.The present invention is carrying out congested reduction of speed when handling, as long as reduction of speed reprovision flow process is normal, new calling party can accept in the time range when congested, and access success is admitted, and as shown in Figure 2, concrete steps are following:
S1, new calling party call out, and to system resource request dedicated channel sign indicating number resource, when system-specific channel code resource is sufficient, can satisfy new calling party's call request, and then system calls out said new calling party and admits, otherwise carries out the S2 step;
S2, judge new calling party's call request base priority whether more than or equal to the reduction of speed priority threshold, be then to carry out the S3 step, otherwise carry out the S8 step;
S3, will call out reduction of speed and handle institute and discharges dedicated channel sign indicating number resource, but can satisfy the online PS territory business formation reduction of speed services sets of new calling party's call request channel code resource;
But whether S4, discriminatory analysis reduction of speed services sets are empty, are then to carry out the S8 step, but otherwise select the minimum online calling party of the congested control priority-level of reduction of speed service set to call out reduction of speed and handle;
Wherein, in said reduction of speed is handled, reduction of speed targeted rate value by reduction of speed handle release channel code resource satisfy the high speed value of new calling party's call request demand.
Whether S5, discriminatory analysis reduction of speed are handled successful, if successful then execution in step S6, otherwise carry out the S8 step;
S6, to new calling party's call request, admit again;
Whether S7, discriminatory analysis are admitted successful, and flow process finishes if admit successfully then, otherwise carry out the S8 step;
S8, carry out other congested control and treatment (as tolling breakdown processing, operations such as queuing processing etc.).
Saidly toll breakdown processing, queuing is treated to prior art, is those skilled in the art and knows, and therefore, gives unnecessary details in this step.
Embodiments of the invention have following online calling party's call business when system: packet switching PS territory interactive class 256K; Divide into groups to hand over PS territory stream type 64K; 3 circuit switching (CS) territory 12.2K; It is professional for packet switching PS territory stream type 64K to call out the calling party who inserts this moment.
Wherein the guarantee speed of two packet switching PS territory stream type 64K is 32K; The minimum-rate that packet switching PS territory interactive class 256K satisfies the Qos requirement is by the Operation and Maintenance platform configuration; It is configured to 64K; A stream type 128K base priority in packet switching PS territory is 6, congested control priority is 54, and a stream type 64K base priority in packet switching PS territory is 10, congested control priority is 190, and circuit switching (CS) territory 12.2K base priority is 14.The reduction of speed priority threshold is made as 0.
Because the reduction of speed priority threshold is 0; So new calling party's call business all can trigger reduction of speed and handle operation; Professional to new calling packet switching PS stream type 64K; But its reduction of speed services sets is that { packet switching PS interactive class 256K} handles so will select packet switching PS territory interactive class 256K to carry out reduction of speed, and the channel code resource that reduction of speed discharges to 192K can satisfy the demand of packet switching PS stream type 64K; After radio network controller (RNC) received that reduction of speed is handled the reprovision success message, system admitted a packet switching PS territory stream type 64K again.
Have following two kinds of online calling parties professional in the embodiments of the invention system: packet switching PS territory interactive class 128K and two kinds of call business of packet switching PS territory interactive class 256K, this stylish calling party's call business are that circuit carries CS territory 12.2K.
Wherein packet switching PS territory interactive class 128K and packet switching PS territory interactive class 256K satisfy the minimum-rate of Qos requirement; Join respectively by the Operation and Maintenance platform and to be 32K and 64K; The congested control priority of packet switching PS territory interactive class 128K and packet switching PS territory interactive class 256K is respectively 80 and 54; Base priority is 6, and it is 14 that circuit carries CS territory 12.2K base priority, and the reduction of speed priority threshold is 7.
This stylish calling party is carried CS territory 12.2 for circuit; This new calling party's calling dedicated channel sign indicating number when access is judged is resource-constrained; Need carry out congested control; But its reduction of speed services sets be packet switching PS territory interactive class 128K, packet switching PS territory interactive class 256K}, that wherein congested control priority is minimum is packet switching PS territory interactive class 256K, handles so select packet switching PS territory 256K to carry out reduction of speed; When during to nearest speed shelves 192K, satisfying the resource requirement that new calling party's call circuit carries CS territory 12.2K by the 256K reduction of speed.After wireless network control platform RNC receives reduction of speed reprovision success message, the calling of newer calling party's circuit carrying CS territory 12.2K is admitted.
But call out all reduction of speed processing of interior other the online calling party's call business of triggering system when inserting if hope all new calling parties, it is very low that the reduction of speed priority threshold then can be set, as be zero.
If but the reduction of speed services sets not only requires " professional reduction of speed can discharge the PS territory business that dedicated channel sign indicating number resource satisfies new calling party's calling of request dedicated channel sign indicating number resource "; And requirement " but the base priority of online calling party's call business of reduction of speed is smaller or equal to base priority of new calling party's call request "; The base priority that then is equivalent to trigger new calling party's call request of reduction of speed need be more than or equal to by the call business of reduction of speed; This can select whether to increase this restrictive condition by operator as required through switch control.
Congestion control method in a kind of 3G (Third Generation) Moblie provided by the present invention; Call out owing to adopted as new calling party; To system request dedicated channel sign indicating number resource; But dedicated channel sign indicating number inadequate resource, system can discharge customer call that resource and priority selects to have inserted according to online calling and carry out reduction of speed and handle needed dedicated channel sign indicating number resource when calling out to satisfy new calling party to discharge dedicated channel sign indicating number resource; Thereby solved the problem that causes new customer call access difficulty and the easy call drop of calling party owing to the channel code inadequate resource effectively, reached the purpose of the services efficient of raising system.
Should be understood that the description of above-mentioned specific embodiment is comparatively detailed, can not therefore be interpreted as the restriction to scope of patent protection of the present invention, scope of patent protection of the present invention should be as the criterion with accompanying claims.
Claims (9)
1. congestion control method in the 3G (Third Generation) Moblie, its step is following:
A, the new calling party's call function of startup, and to system request dedicated channel sign indicating number resource;
Whether B, analysis and judgement dedicated channel sign indicating number resource be sufficient, when dedicated channel sign indicating number inadequate resource, and the size of analysis and judgement customer call request base priority and reduction of speed priority threshold then;
C, when new calling party's call request base priority more than or equal to the reduction of speed priority threshold; Then will call out reduction of speed and handle institute and discharge dedicated channel sign indicating number resource, but can satisfy online calling party's call business formation reduction of speed services sets of new calling party's call request dedicated channel sign indicating number resource; But selecting the minimum online calling party of the congested control priority of said reduction of speed service set to call out reduction of speed handles;
D, when said online calling party calls out reduction of speed success, then system admits said new calling party's call request.
2. method according to claim 1 is characterized in that, said step B is further comprising the steps of:
B1, when dedicated channel sign indicating number resource is sufficient, then system admits said new calling party's call request.
3. method according to claim 1 is characterized in that, said base priority is the priority-level according to type of service and allocation retention priority configuration.
4. method according to claim 1 is characterized in that, but the condition of said reduction of speed services sets further comprises: but the base priority of online calling party's call business of reduction of speed is smaller or equal to the base priority of new call request.
5. method according to claim 1 is characterized in that, but online calling party's call business of said reduction of speed is made reduction of speed and handled the minimum speed limit value that the minimum speed limit value that can reduce to need satisfy quality of service requirement.
6. method according to claim 1 is characterized in that, said congested control priority refers to, the priority-level that is disposed according to said base priority and online calling party's calling present rate.
7. method according to claim 6 is characterized in that said base priority is low more, and present rate is high more, and then congested control priority-level is low more.
8. method according to claim 1; It is characterized in that; The online calling party call business minimum when said congested control priority is a plurality of, then selects the minimum online calling party's call business of first congested control priority to carry out reduction of speed in order and handles.
9. method according to claim 1 is characterized in that, in said reduction of speed is handled, reduction of speed targeted rate value by reduction of speed handle the release resource satisfy the flank speed of new calling party's call demand.
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| CN200810216106XA CN101674636B (en) | 2008-09-09 | 2008-09-09 | Congestion control method in third generation mobile communication |
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| CN200810216106XA CN101674636B (en) | 2008-09-09 | 2008-09-09 | Congestion control method in third generation mobile communication |
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| CN101674636B true CN101674636B (en) | 2012-02-22 |
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| CN102196500B (en) * | 2010-03-11 | 2015-06-10 | 中兴通讯股份有限公司 | Network element load control method and IP-CAN (Internet Protocol-Connectivity Access Network) network element |
| CN102238734A (en) * | 2010-05-05 | 2011-11-09 | 鼎桥通信技术有限公司 | Dynamic channel configuration method |
| US8670339B2 (en) * | 2010-10-15 | 2014-03-11 | Telefonaktiebolaget Lm Ericsson (Publ) | Implicit reject response |
| CN107454631A (en) * | 2016-05-31 | 2017-12-08 | 宇龙计算机通信科技(深圳)有限公司 | A kind of network resource scheduling method and the network equipment, system |
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| CN1290113A (en) * | 1999-09-24 | 2001-04-04 | 深圳市华为技术有限公司 | Dynamic distribution method for wireless channels |
| CN1741672A (en) * | 2004-08-26 | 2006-03-01 | 华为技术有限公司 | Method for distributing cell resource |
| CN1805588A (en) * | 2005-01-10 | 2006-07-19 | 华为技术有限公司 | Method of allocating cell resources |
| CN1856159A (en) * | 2005-04-25 | 2006-11-01 | 中兴通讯股份有限公司 | Access controlling method with rob and queue by priority in wideband CDMA system |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1290113A (en) * | 1999-09-24 | 2001-04-04 | 深圳市华为技术有限公司 | Dynamic distribution method for wireless channels |
| CN1741672A (en) * | 2004-08-26 | 2006-03-01 | 华为技术有限公司 | Method for distributing cell resource |
| CN1805588A (en) * | 2005-01-10 | 2006-07-19 | 华为技术有限公司 | Method of allocating cell resources |
| CN1856159A (en) * | 2005-04-25 | 2006-11-01 | 中兴通讯股份有限公司 | Access controlling method with rob and queue by priority in wideband CDMA system |
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