CN1589051A - Dynamic flow control method based on paging zone - Google Patents
Dynamic flow control method based on paging zone Download PDFInfo
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Abstract
This invention relates to a dynamic information flow control method. When a system is at busy traffic peak period, iPAS-GW can feedback information to MCNC or SMSC information call-in source according to the message strategy to instruct it to reduce the delivery flow of the value-added service information and ensure the phonetic service to get relates wireless side resources. When the system is at ralley traffic period, Ipas-GW can feed back information call-in source to MCNE or SMSC and instructs them to increase delivery flow of value-added information in order to increase resource suability, so that all the delivered value-added service information can get coherent wireless side resources.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of dynamic flow control method of short message service.
Background technology
Continuous development along with value-added service, increasing area wishes that our system can provide value-added services such as short message, simultaneously except common short message, business based on note is also more and more, as missed call prompting (Missed Call Notification) based on note, by the message search traffic roadmap, greet weather forecast etc. to the user by note.PHS SMS also is suggested with the demand of the test of SMS intercommunication simultaneously, the development of these business particularly increases the flow of system's note to be processed greatly with mobile network's note intercommunication, and can produce a large amount of notes at short notice, sending short messages in groups business particularly.Because these professional and normal calling and called flow processs are very similar, and what use is identical Q.931 message, takies the channel resource of wireless side equally, if there is a large amount of message to send in a short period of time by system, and can impulse radio side system equipment.
Wireless local telephone system gateway (iPAS-GW) is business side sends a convergence point from message related to calls to user side, because the restriction of wireless side resource and hand-phone system (PHS) air interface specification, when the message that sends when the unit interval surpasses the buffering area setting of paging zone (PA) processing, follow-up message will be dropped, cause a large amount of repeating transmission of a large amount of call losses and short message, more increased the load of system thus, therefore iPAS-GW must carry out dynamic flow control to the message of different call source based on PA, prevent to concentrate in a large amount of message short time and send to wireless side, particularly concentrate and send to certain PA, thereby the message related to calls that the success rate and the efficient that improve to send, assurance system when section in office can both high efficiency processing miscellaneous services.
See also Fig. 1, the short message that the incoming call source of iPAS-GW processing messages has SMS service center (SMSC) to send out, the notice of message missing message related to calls that notice of message missing center (MCNC) is sent out, the audio call message that other switch is sent out is carried out Signalling exchange with base station controller (CSC) side by wireless Q.931 message.Therefore for preventing that CSC/CS side message related to calls from overflowing, iPAS-GW will reduce the message number of unit interval transmission according to each call source of flow control policy control.
Under the present circumstances, the superframe structure on the air interface is as follows:
BCCH PCH1 PCH2 SCCH PCH3 PCH4 SCCH PCH5PCH6 SCCH PCH7?PCH8 BCCH…
Parameter is: N=20, Nsg=1, Nsub=3, Npch=2, Ngroup=4
For the channel resource allocation mode of signaling control carrier frequency (SCCH) and paging carrier frequency (PCH), the descending SCCH that the base station per hour can be handled under desirable flow distribution is 9000 times, and PCH is 24000 times.Promptly for a base station (CS), under desirable flow issue, 1.2 can handle 8 PCH second, 3 SCCH, promptly the maximum treatable PCH of CS per second are 8/1.2=6.66, SCCH is 3/1.2=2.5, so following short-message sending (Mobile-terminated short message of maximum in 1.2 seconds, MT SM), called, paging (Paging) sum of losing telephone message and local switch (LS) can not be above 6.66, maximum actual link setup adds up to 2.5 and (comprises caller, location registers, short message sends (Mobile-originated, MO SM), urgent call etc.).
See also Fig. 2, the restriction of descending PCH of CS and caching mechanism.The buffer area of instruction (Setup) that connect that buffer A (Buffer-A) sends for base station storage network I/F (Interface interface), length are 128 bytes.Buffer B is the buffer area of wireless I/F PCH to be sent such as (Radio I/F), and length is 3 every group.Buffer C is the buffer area of base station call instance, and length is 16 bytes.
As shown in Figure 2, the frame structure of wireless side employing at present is divided into 8 paging groups (Paging Group) with phone number (PS number), and each paging group base station assigns length is 3 buffer (Buffer B).After the instruction that connects that network side I/F sends is received in the base station, at first be stored among the buffer A, send to the number sets buffer area of base station radio I/F correspondence afterwards according to jack per station group under the called number, wait for that the base station sends to mobile phone by the wireless pc H-channel, timer TR301C picks up counting simultaneously, when page response is received in the base station in TR301C, register information can be transferred to buffer C in the base station, and removes this record.Overtime as TR301C, this record will be removed in the base station.The input of buffer A be spaced apart every group per 1.2 seconds one, the concentrated placement of PCH can be dropped when causing buffer to overflow.
Because the frame structure of wireless side employing at present is divided into 8 paging groups with phone number, each paging group base station assigns length is 3 buffer (Buffer B), and called message promptly to be sent is 3, and unnecessary will be lost.And the processing of the called message to be sent among the buffer B is spaced apart 1.2 seconds one.Therefore the paging number of each paging group per second processing is 1/1.2=0.833 bar/second.
Fig. 3 is the structural representation of base station called message buffer to be sent, and each call service group comprises that Macro calls state, sends the number that waits for the arrival of news, remains transmission number of times, called message # 1, called message # 2, called message # 3.
For a PA, under desirable flow issue, 1.2 can handle 8 PCH second, because many CS are arranged below a PA, so can the link setup number be 2.5*N (N is greater than 3), but owing to be subjected to the restriction of PCH, maximum in theory possible link setup sums equals network and surveys the paging number of sending down, 6.66/second.Therefore the maximum possible link setup of downlink business (MT SM, called, lose phone, LS) adds up to 6.66/second.The maximum possible link setup of then possible uplink service (MO SM, caller, location registers, urgent call etc.) adds up to: 3 * N-6.66.
Along with the continuous growth of short message number of users and carrying out in a large number of cluster sending business, market demands short message service center " big capacity, high-throughput " is so that in time handle all short messages at a high speed.Sms center exists following defective and deficiency at present:
Because a short message service center serves various base stations, when short message concentrates on some base station, can cause the congested of wireless channel, so SMSC preferably can control to the flow control of base station level, and this to be current system lack.
According to " wireless local telephone system short message technical specification " requirement, short message service center only provides high priority and normal priority, and owing to adopted GSM short message standard, only the short message priority to same destination address has adopted the first strategy of sending out of high priority, can not carry out the setting of priority to the external entity of separate sources.
At present SMSC reckons without the various restrictions of gateway, wireless side, causes issuing message congested of gateway, wireless side easily.As the restriction of PA and the restriction of paging group.
At present, gateway has the parameter of the flow from SMSC being carried out static control, i.e. interior total short message number from SMSC of a gateway control period.If certain section total message count of time surpasses this threshold value, gateway can be rejected the note submission message that issues from SMGW.Because this threshold value is a quiescent value, its setting is that message such as the disposal ability of having considered GW self, CSC/CS disposal ability have been selected a relatively value (this value is smaller) of insurance.It can not reflect GW, CSC, the truth of CS under different periods, different business distribution occasion at that time.Not allow GW, CSC, CS take place congested in order to give full play to GW, CSC, CS disposal ability, and SMSC and GW need dynamic flow control.
The dynamic flow control algolithm that industry is traditional sees also Fig. 4, and dynamic flow control relates to control volume, controlled body and feedback information.Control volume is the main body of control flow, it utilizes direct feedback information (as the traffic class indication of controlled body etc.) and non-direct feedback information (failure information that returns as controlled body, the time-out information of control volume self etc.), controls the flow that sends message according to the control strategy of determining.Controlled body is the main body of Be Controlled flow, also is the product survivor of direct information feedback.It is according to the disposal ability of self and the disposal ability and the restriction of restriction, lower end network element, and the information such as feedback information of lower end network element, according to and the feedback information strategy determined come feedback information.Feedback information is the information of the traffic class indication that directly feeds back to control volume after controlled body is handled through the feedback information strategy.Certainly this also comprises non-direct feedback information.Control volume is the control main body to the issuing message flow, but how to control issuing message, which information to adjust issuing message according to, and Here it is is determined by the control strategy of control volume.How controlled body feeds back the traffic class indication is to be determined by the feedback information strategy of controlled body.
Feedback information comprises direct feedback and non-direct feedback.Directly feedback is just direct more for dynamic flow control, control response will be with fast.Non-direct feedback can be weaker for dynamic control effect, and control response simultaneously is also slow, but the change that relates to can be lacked.Control strategy and feedback information strategy will can further enrich with the requirement of different levels and deeply along with must not developing of system.
The content of feedback information mainly is the traffic class indication, and we are set at 4 grades, are 1 grade from low to high respectively, 2 grades, and 3 grades and 4 grades.
If the direct information feedback then feeds back current traffic class indication by controlled body.If be non-direct information feedback, then determine this rank according to certain strategy by control volume.When non-direct information feeds back, can set 4 grades of traffic class, and only be set at normal and overload.
System is provided with three class timers:
Controlled body flow detection timer timer 3: the system loading of controlled body and flow detection timer 3, every timer 3 durations, controlled body can detect current C PU occupancy and system resource occupancy: if performance or capacity performance index surpass predetermined threshold values, feed back flow indication rank according to concrete Flow Control strategy and flow control algorithm to corresponding message source then for the control body.If performance or capacity performance index do not have to surpass predetermined threshold values, then controlled body is not carried out any feedback.
Control volume reduces traffic class protection timer 1: in timer 1 time-out time, if control volume is repeatedly received the flow indication rank that controlled body is sent, then it is ignored.If receive the flow indication rank that controlled body is sent after timer 1 is overtime once more, then control volume transfers the underflow magnitude other according to the flow control strategy.
Control volume recovers traffic class protection timer 2: in the timer 2 time-out time, if control volume is not received the new flow indication rank that controlled body is sent, then after timer 2 was overtime, then control volume returned to a flow control hierarchy.
In order to prevent the excessive and fluctuation of control, the relation of suggestion timer is as follows:
Other principle of control volume control flows magnitude: successively decrease soon, slowly the strategy of Hui Fuing.
The control algolithm of control volume:
Receive the traffic class indication that controlled body sends when control volume and do not start timer 1 that represent that then controlled body just transships, control volume is regulated a step flow downwards according to control strategy, and starts timer 1 and 2.
Within timer 1 is overtime, control volume will be ignored all traffic class indications that controlled body is sent.Behind the timer expiry, promptly stop timer 1.
If there is new traffic class indication not start timer 1 again, control volume just continues to regulate a step flow downwards, restarts timer 1 simultaneously, up to the flow of minimum.
If within timer 2 is overtime, control volume is not received any new traffic class indication, and then control volume goes on foot flow according to control strategy to adjusted one, and starts timer 2 once more, arrives normal value up to flow.
The feedback algorithm of controlled body:
Controlled body is checked flow status according to the feedback information strategy, if the flow overload does not start timer 3, then controlled body is indicated to control volume transmitted traffic rank, and starts timer 3.
Within if timer 3 is overtime, normal if flow is replied, then stop timer 3.
After if timer 3 is overtime, controlled body is checked flow status, if overload still then continues the indication of transmitted traffic rank.
Owing to be provided with the indication of 4 grades of traffic class, then can be more careful in the step of control, and reach different control effects after being provided with according to different situations.As:
Regulate downwards:
1 grade: every adjusting is once regulated 10% business downwards
2 grades: every adjusting is once regulated 20% business downwards
3 grades: every adjusting is once regulated 40% business downwards
4 grades: every adjusting is once regulated 100% business downwards
Upwards (recovery) adjusting:
1 grade: every adjusting is once regulated 5% business downwards
2 grades: every adjusting is once regulated 10% business downwards
3 grades: every adjusting is once regulated 15% business downwards
4 grades: every adjusting is once regulated 20% business downwards
Regulating than big to adjusted downwards, is the strategy of realizing " successively decrease soon, increase slowly ".
Yet these concrete regulated values can dispose, and according to different control strategy corrections.
Summary of the invention
The objective of the invention is some defectives in existence aspect the flow control, propose a kind of dynamic flow control method, strengthen the robustness of whole system according to current system.
Dynamic message flow control methods of the present invention, there is MCNC in the message incoming call source of iPAS-GW, SMSC, location-server and other gateway, iPAS-GW receives after the incoming call message forward call to each cell base station, each paging zone (PA) comprises several cell base stations, it is characterized in that: the traffic set priority that iPAS-GW provides various message incoming calls source, the message traffic control method comprises the steps:
IPAS-GW starts a flow monitoring timer at each PA, works as timer expiry, the flow information of the current PA of system statistics,
1) when PA flow value during,, indicates its minimizing even stop to send request to the minimum message incoming call source feedback flow information of service priority greater than first predetermined value;
2) if the PA flow value still greater than first predetermined value, then feeds back flow information to service priority time low message incoming call source, indicate its minimizing even stop to send request, up to the normal interval that the flow value of PA is being scheduled to;
3) when PA flow value during,, indicate it to increase the transmitted traffic of message to the highest server feedback flow information of service priority less than second predetermined value;
4) when PA flow value during,, indicate it to increase the transmitted traffic of message to service priority time the highest server feedback flow information still less than second predetermined value; In predetermined normal interval, wherein second predetermined value is less than first predetermined value up to the flow value of PA.
Traffic set priority be set to that Short Message Service is the highest, the missed call reminding service is taken second place, positioning service is minimum.
Under the prevailing situation of a kind of business, can be only to this professional message incoming call source feedback flow information is provided; Compare under the little situation of mean deviation quantity in multiple business, can be directly to all message incoming call source feedback flow informations.
After adopting method of the present invention, the long-term work that the system that can guarantee can be stable, and do not cause system or each network element to lose efficacy.Do not influence the normal process of system's real time business, can not exceed the disposal ability that influences each network element, in the traffic handing capacity scope, processing miscellaneous service as much as possible, under the precondition that does not influence real time business, in the shortest time, handle non real-time value-added service as much as possible, as short message.Reduce the congested of each network element, guarantee each network element under the condition of disposal ability, improve the success rate of handling.Finishing is also optimized the flow process of Business Processing, improves the transmitting efficiency and the success rate of message, avoids meaningless resend message and the message at the bottom of the business-level to take resource at Peak Hour.
Description of drawings
Fig. 1 is the schematic diagram of existing iPAS system.
Fig. 2 is the caching mechanism schematic diagram of existing system.
Fig. 3 is the CS called buffer structure schematic diagram that disappears to be sent.
Fig. 4 is the schematic diagram of conventional dynamic flow control algorithm.
Fig. 5 is the system schematic of flow control methods of the present invention.
Fig. 6 is the flow chart of business statistics in the flow control methods of the present invention.
Fig. 7 is the main flow chart of flow control methods of the present invention.
Embodiment
The dynamic flow control algolithm that industry is traditional is should be used for designing at common flow control, but to this flow control of PHS system based on PA, obviously can not satisfy the demand of practical application, and the realization of some function is too complicated, therefore flow control algorithm itself might take too much system resource, at the special circumstances of PHS, according to efficiently, simple and practical principle is made suitable modification to adapt to the demand of iPAS system to Flow Control to traditional flow control algorithm.
The basic skills of flow control of the present invention is:
The message incoming call source of iPAS-GW mainly contains MCNC, SMSC, the gateway of location-server and other, after iPAS-GW receives incoming call message, by signaling Q.931 forward call to the end user, because the restriction of wireless side resource, particularly based on the restriction of the flow of PA, require iPAS-GW can control the flow that is issued to each PA, maximum can not surpass 6.66/PA/ second, otherwise follow-up message related to calls will be dropped, and cause secondary paging or call loss.Therefore iPAS-GW is as a tandem and the concentrated network element that sends, if can realize that simply, effectively dynamic flow mechanism will improve the throughput and the transmitting efficiency of system greatly.
IPAS-GW mainly handles two types service call message: the professional and non real-time added value service of real-time voice.The priority of speech business is the highest, and in any case, system will guarantee preferentially that speech business can access timely processing.Therefore hurry and peak period when system is in traffic, iPAS-GW can indicate it to reduce the transmitted traffic of added value service message to MCNC and SMSC feedback information, guarantees that preferentially speech business can obtain corresponding wireless side resource, in time handles.Being in the traffic ebb period and work as system, is to improve the level of resources utilization, and iPAS-GW can indicate it to increase the transmitted traffic of added value service message to MCNC and SMSC feedback information.Make the added value service message of its transmission can both obtain corresponding wireless side resource, improve the transmission success rate and the efficient of added value service message.
At the flow restriction of each PA (concrete condition according to the scene is decided, now suppose 3/PA/ second), calculate the flow restriction of a period of time, suppose 10 seconds, then manageable flow is the 10*3=30 bar in PA 10 seconds.
Flow feedback flow feedback
The control interval control interval
Normal interval
10 seconds: the 10*3=30 bar
Article 9,21
Leve11 Leve12 Leve13
Shown in last figure, whole flow interval is divided into three intervals according to the percentage of setting, 1 grade and 3 grades is flow FEEDBACK CONTROL interval, 2 grades is normal interval.If present flow rate numerical value is in flow FEEDBACK CONTROL interval, then GW feeds back flow information according to feedback strategy to corresponding incoming call source.
If less than 9, then indicate corresponding incoming call source to increase the flow of its transmission.
If greater than 21, then indicate corresponding incoming call source to reduce the flow of its transmission.
If present flow rate between [9,21], is not then fed back any information, MCNC and SMSC continue to send message according to original strategy.
IPAS-GW supports three kinds of flow feedback strategies, and feedback strategy can carry out dynamic-configuration by network management system:
1, do not carry out the flow information feedback according to service priority, service priority is not:
=Short Message Service (Short message)
=missed call reminding service (Missed Call Notification)
=positioning service (Location Server)
1), when the flow value of certain PA is in 3 grades of flows feedbacks when interval, the current load of expression system is heavier, reduce the transmitted traffic of corresponding added value service message.Then first to positioning service server feedback flow information according to priority level, indicate its minimizing even stop to send Location Request (Location Request) message, if do not change between the flow value location, then to MCNC feedback flow information, indicate its minimizing even stop to send the missed call reminding service message, and the like, send message to SMSC at last, indicate its minimizing even stop the transmitted traffic of short message.
2), when the flow value of certain PA is in 1 grade of flow feedback when interval, the current load of expression system is low weight, increase the transmitted traffic of corresponding added value service message.Feed back flow information to SMSC earlier according to priority level, indicate it to increase the flow that sends short message service, if do not change between the flow value location, then to MCNC feedback flow information, indicate it to increase and send the missed call reminding service message, and the like, send message to the positioning service server at last, indicate it to increase the transmitted traffic of positioning service.
2, to fixed news incoming call source feedback flow information, can set the flow information that fixing network element is accepted to feed back with network management system
Some the point, the open added value service of mSwitch might be seldom, all only be to have opened short message service for example in a lot of places, other several business have perhaps been opened, but the proportion that has only a certain business to account for is very big, at this moment number of users that other are professional and traffic carrying capacity all seldom can set GW just to fixing network element feedback flow information.Because GW preferentially else decides the tactful more complicated in feedback message source in proper order by business, strategy itself will consume the resource of processor, therefore under the situation about being in the great majority for a kind of or a certain type of service of type of service, select this strategy can improve the efficient of flow system flow feedback greatly, meet simply, efficiently principle.
3, to all message incoming call network element broadcast traffic feedback messages
In some point or area, the type of service of carrying out is many, but number of users is few, traffic carrying capacity is little, and the traffic carrying capacity of every kind of type of service all compares on average, and GW can take simple flow feedback strategy, to all message incoming call network elements feedback flow informations.Because number of users is few, traffic carrying capacity is little, therefore can ignore the Effect on Performance of system own because the flow information feedback is broadcasted the broadcasting that causes.
IPAS-GW carries out traffic statistics by main thread respectively at each PA as controlled body when iPAS-GW receives incoming call message, statistical information comprises two classes:
1, adds up every kind of type of service flow information in each PA respectively
2, add up all professional total flow information in each PA
IPAS-GW starts a flow monitoring timer at each PA, works as timer expiry, the current PA flow information of system statistics, and simultaneously according to the flow reporting policy, whether decision reports flow information and which network element to feed back flow information to.
Shared proportion in total flow decides augmented flow or minimizing flow according to current business flow and voice flux in message incoming call source.Unified PA threshold value of SMSC initialization preparation (max-thresholds of supporting as each PA is 4/second), this threshold value are as the initialization value of all PA, and SMGW carries out the current dynamical threshold adjustment of PA according to the traffic class indication of GW feedback.
Simultaneously, in order to improve the processing speed of short message issuing short message, SMSC carries out some preliminary treatment earlier, in the regular hour, the short message that as far as possible makes each PA issue at 1.2 seconds reaches threshold value, and guarantee when a little short message, to belong to different paging groups, so just may make these short messages in 1.2 seconds once in the lump paging successfully, thereby the processing speed of raising short message issuing.
Flow sends network element and supports 4 grades of traffic class indications, comprises that successively decrease control and flow of flow recovers control, and regulation mechanism is followed the strategy of " successively decreasing soon, slowly growth ", for example:
Regulate downwards:
1 grade: every adjusting is once regulated 10% business downwards
2 grades: every adjusting is once regulated 20% business downwards
3 grades: every adjusting is once regulated 40% business downwards
4 grades: every adjusting is once regulated 100% business downwards
Upwards (recovery) adjusting:
1 grade: every adjusting is once regulated 5% business downwards
2 grades: every adjusting is once regulated 10% business downwards
3 grades: every adjusting is once regulated 15% business downwards
4 grades: every adjusting is once regulated 20% business downwards
These concrete regulated values are to be configured by webmaster, and revise according to different control strategies.
Claims (13)
1. dynamic message flow control methods, there are SMS service center (SMSC), notice of message missing center (MCNC), location-server and other gateway in the message incoming call source of wireless local telephone system gateway (iPAS-GW), iPAS-GW receives after the incoming call message forward call to each cell base station, each paging zone (PA) comprises several cell base stations, it is characterized in that: the traffic set priority that iPAS-GW provides various message incoming calls source, the message traffic control method comprises the steps:
IPAS-GW starts a flow monitoring timer at each PA, works as timer expiry, the flow information of the current PA of system statistics,
1) when PA flow value during,, indicates its minimizing even stop to send request to the minimum message incoming call source feedback flow information of service priority greater than first predetermined value;
2) if the PA flow value still greater than first predetermined value, then feeds back flow information to service priority time low message incoming call source, indicate its minimizing even stop to send request, up to the normal interval that the flow value of PA is being scheduled to;
3) when PA flow value during,, indicate it to increase the transmitted traffic of message to the highest server feedback flow information of service priority less than second predetermined value;
4) when PA flow value during,, indicate it to increase the transmitted traffic of message to service priority time the highest server feedback flow information still less than second predetermined value; In predetermined normal interval, wherein second predetermined value is less than first predetermined value up to the flow value of PA.
2. dynamic message flow control methods according to claim 1 is characterized in that: traffic set priority be set to that Short Message Service is the highest, the missed call reminding service is taken second place, positioning service is minimum.
3. dynamic message flow control methods according to claim 1 is characterized in that: the successively decrease process of control of flow is divided into some levels, regulates predetermined traffic carrying capacity downwards for every grade.
4. as dynamic message flow control methods as described in the claim 3, it is characterized in that: the process that flow increases control is divided into some levels, and every grade to the predetermined traffic carrying capacity of adjusted.
5. as dynamic message flow control methods as described in the claim 4, it is characterized in that: flow increases every grade of control and regulates predetermined traffic carrying capacity to the predetermined traffic carrying capacity of adjusted downwards less than successively decrease every grade of control of flow.
6. dynamic message flow control methods, there is MCNC in the message incoming call source of iPAS-GW, SMSC, location-server and other gateway, one of them message incoming call source is main message incoming call source, iPAS-GW receives after the incoming call message that forward call to each cell base station, each paging zone (PA) comprises several cell base stations, it is characterized in that: the message traffic control method comprises the steps:
IPAS-GW starts a flow monitoring timer at each PA, works as timer expiry, the current PA flow information of system statistics,
1) when PA flow value during,, indicate its minimizing even stop to send request to the message incoming call source in main message incoming call source feedback flow information greater than first predetermined value, up to the flow value of PA in predetermined normal interval;
2) when PA flow value during,, indicate it to increase the transmitted traffic of message to the message incoming call source in main message incoming call source feedback flow information less than second predetermined value; In predetermined normal interval, wherein second predetermined value is less than first predetermined value up to the flow value of PA.
7. as dynamic message flow control methods as described in the claim 6, it is characterized in that: the successively decrease process of control of flow is divided into some levels, regulates predetermined traffic carrying capacity downwards for every grade.
8. as dynamic message flow control methods as described in the claim 7, it is characterized in that: the process that flow increases control is divided into some levels, and every grade to the predetermined traffic carrying capacity of adjusted.
9. as dynamic message flow control methods as described in the claim 8, it is characterized in that: flow increases every grade of control and regulates predetermined traffic carrying capacity to the predetermined traffic carrying capacity of adjusted downwards less than successively decrease every grade of control of flow.
10. dynamic message flow control methods, there is MCNC in the message incoming call source of iPAS-GW, SMSC, location-server and other gateway, iPAS-GW receives after the incoming call message forward call to each cell base station, each paging zone (PA) comprises several cell base stations, and it is characterized in that: iPAS-GW sets priority to miscellaneous service, and the message traffic control method comprises the steps:
IPAS-GW starts a flow monitoring timer at each PA, works as timer expiry, the current PA flow information of system statistics,
1) when PA flow value during greater than first predetermined value, the server feedback flow information to all message incoming call sources is indicated its minimizing even is stopped to send request, up to the flow value of PA in predetermined normal interval;
2) when PA flow value during less than second predetermined value, the server feedback flow information to all message incoming call sources indicates it to increase the transmitted traffic of message; In predetermined normal interval, wherein second predetermined value is less than first predetermined value up to the flow value of PA.
11. as dynamic message flow control methods as described in the claim 10, it is characterized in that: the successively decrease process of control of flow is divided into some levels, regulates predetermined traffic carrying capacity downwards for every grade.
12. as dynamic message flow control methods as described in the claim 11, it is characterized in that: the process that flow increases control is divided into some levels, and every grade to the predetermined traffic carrying capacity of adjusted.
13. as dynamic message flow control methods as described in the claim 12, it is characterized in that: flow increases every grade of control and regulates predetermined traffic carrying capacity to the predetermined traffic carrying capacity of adjusted downwards less than successively decrease every grade of control of flow.
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| CN100407807C (en) * | 2005-03-07 | 2008-07-30 | 中兴通讯股份有限公司 | Short message down transmitting flow control method of short message centre |
| CN100407826C (en) * | 2005-03-18 | 2008-07-30 | 中兴通讯股份有限公司 | Method of realizing service control for personal hand set system basestation |
| CN101222383B (en) * | 2008-01-23 | 2010-06-02 | 湖南大学 | IP network telephone voice flux monitoring method based on H.323 protocol |
| CN102006628A (en) * | 2010-12-10 | 2011-04-06 | 华为技术有限公司 | Flow control method and device for multimode base station |
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| US5343473A (en) * | 1992-08-07 | 1994-08-30 | International Business Machines Corporation | Method of determining whether to use preempt/resume or alternate protocol for data transmission |
| US5579372A (en) * | 1994-12-12 | 1996-11-26 | Telefonaktiebolaget Lm Ericsson | Flow control method for short message service - busy subscriber |
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| CN1142692C (en) * | 2000-11-06 | 2004-03-17 | 深圳市中兴通讯股份有限公司 | Method for overload control in CDMA cellular communication system |
| CN1177451C (en) * | 2002-02-27 | 2004-11-24 | 华为技术有限公司 | Multi-priority buffer reliable transmission method in communication system |
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