CN101355773B - Method for judging buffer zone capacity status - Google Patents
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- CN101355773B CN101355773B CN2007101296169A CN200710129616A CN101355773B CN 101355773 B CN101355773 B CN 101355773B CN 2007101296169 A CN2007101296169 A CN 2007101296169A CN 200710129616 A CN200710129616 A CN 200710129616A CN 101355773 B CN101355773 B CN 101355773B
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Abstract
The invention provides a method for determining capacity state of a buffer area, comprising the following: step S502, measuring upstream and/or downstream throughput for an Iub port, and setting a first sluggish timer, a second sluggish timer and a third sluggish timer, and setting available time for the first sluggish timer, the second sluggish timer and the third sluggish time respectively, wherein the first sluggish timer is used for timing when the throughput is more than the maximum threshold value; the second sluggish timer is used for timing when the throughput is less than the minimum threshold value; and the third sluggish timer is used for timing when the throughput is zero; and step S504, determining the state of the buffer area according to the relation between the throughput and the maximum threshold value and between the minimum threshold value, and the available time of the sluggish timers. With the method, continuous transition process of throughput state can be realized, thereby ensuring the synchronization of upstream and downstream signal channel transition conditions can be realized, and ensuring the timeliness and the accuracy of a system to event trigger.
Description
Technical field
The present invention relates to the communications field, and especially, relate to a kind of method for judging buffer zone capacity status.
Background technology
Insert in (WCDMA) system in Wideband Code Division Multiple Access (WCDMA), (RadioResource Control RRC) carries out dynamic radio carrying control by configuration service measurement amount (Traffic VolumeMeasurement) in Radio Resource control.
As shown in Figure 1, process by BO measurement triggering wireless channel carrying is as follows: as measuring business volume value BO (Buffer Occupancy) during greater than certain thresholding 4A Threshold, report the 4A incident, as triggering the low rate radio bearer to high-rate wireless load bearing migration process (4A Event), perhaps as measuring business volume value BO (Buffer Occupancy) during less than certain thresholding 4B Threshold, report the carrying of 4B Event triggered high-rate wireless to low rate wireless bearing transferring process (4B Event), that is, as the constraints of moving.By this dynamic radio carrying controlling mechanism, can provide power system capacity and service quality based on subscriber traffic.
In BO measures, be the Event triggered vibration of avoiding causing owing to traffic fluctuation, adopted timer co-pending (Pending Timer) and triggered the mode that timer (Trigger Timer) timer mutually combines, the handling process of Pending Timer and Trigger Timer is respectively shown in Fig. 2 and Fig. 3.As shown in the figure, this processing specifically can comprise: as BO during greater than 4A or less than the 4B thresholding (4A Threshold and 4B Threshold), start timer Trigger Timer, if within the timer Trigger Timer term of validity, keep trigger conditions, when timer loses efficacy, can trigger events corresponding once more so always; When having triggered 4A incident or 4B incident, start Pending Timer, in the timer term of validity, forbid triggering events corresponding, when timer lost efficacy, if still satisfy trigger conditions (promptly, BO＞4A Threshold or BO＜4B Threshold), then trigger events corresponding.
In the dynamic radio carrying control procedure that adopts based on the reporting events triggering mode, most of situation with the incident of certain traffic direction as trigger condition (for example all is, descending), and incident in the opposite direction as constraints (for example, up), that is to say, only under the situation of up and descending condition coupling, migration that could completion status.For example, UE from dedicated channel (DCH) state when (FACH) state transition of forward direction access channel or paging channel (PCH) state transition, need the uplink and downlink channel to move to (Random Access Channel) RACH/FACH and PCH from DCH simultaneously, radio network controller (Radio Network Controller, RNC) to finish the migration of radio bearer, must obtain up BO measuring amount and descending BO measuring amount simultaneously, have only when these two conditions all satisfy or be all known, just can carry out corresponding channel migration, if any one condition does not wherein satisfy or be unknowable, so all can not carry out channel migration.
In fact, because the BO measurement presents discrete state, therefore, two conditions of up-downgoing migration can not be synchronous fully on the time distributes, thereby can produce the delay of system to the incident decision operation, reduces the utilization ratio of system resource.And, in the agreement of 3GPP R6 version, introduced HSUPA (High Speed Uplink Packet Access, high speed uplink packet inserts), when professional up channel be carried as strengthen dedicated channel (EnhancedDedicated Channel, in the time of E-DCH), traffic carrying capacity is reported as the periodic report mode, in this case, the problems referred to above can be more serious.
Yet, do not propose reasonable plan at present as yet and solve the problems referred to above.
Summary of the invention
Consider the problems referred to above and make the present invention that for this reason, main purpose of the present invention is to provide a kind of buffer zone capacity status to judge scheme.
According to embodiments of the invention, provide a kind of method for judging buffer zone capacity status.
This method comprises: step S502, measure the up and/or downlink throughput capacity of Iub mouth, and the first sluggish timer, the second sluggish timer and the 3rd sluggish timer be set, and is set its effective time separately, wherein, the first sluggish timer is used for carrying out timing in throughput greater than maximum threshold, and the second sluggish timer is used for carrying out timing during less than minimum threshold in throughput, and the 3rd sluggish timer is used for carrying out timing when throughput is zero; And
Step S504, according to the relation of throughput and maximum threshold and minimum threshold and the state of judging buffering area effective time of sluggish timer, comprise: step S504-2, when throughput during greater than maximum threshold, start the first sluggish timer, in the effective time of the first sluggish timer, be first state if throughput, is then judged the capacity status of buffering area all the time greater than maximum threshold; Step S504-4, when throughput less than minimum threshold and greater than zero the time, start the second sluggish timer, in the effective time of the second sluggish timer, if less than minimum threshold and greater than zero, the capacity status of then judging buffering area is second state to throughput all the time; Step S504-6 when institute's throughput is zero, starts the 3rd sluggish timer, and in the effective time of the 3rd sluggish timer, if throughput equals zero all the time, the capacity status of then judging buffering area is a nought state.
Wherein, when the capacity status of buffering area is first state, if throughput is changed into more than or equal to minimum threshold and smaller or equal to maximum threshold, then stop the first sluggish timer, start the second sluggish timer, if in the effective time of the second sluggish timer, throughput is all the time greater than minimum threshold and smaller or equal to maximum threshold, and the capacity status of then judging buffering area is the third state.
When the capacity status of buffering area is second state, if throughput is changed into more than or equal to minimum threshold and smaller or equal to maximum threshold, then stop the second sluggish timer, start the first sluggish timer, if in the effective time of the first sluggish timer, throughput is all the time more than or equal to minimum threshold and less than maximum threshold, and the capacity status of then judging buffering area is the third state.
In this case, when just when arrive in the effective time of the sluggish timer of timing, report the capacity status of buffering area, and restart sluggish timer.
In addition, this method further comprises: when the capacity status of buffering area was not first state, if throughput is changed into greater than maximum threshold, the capacity status of then judging buffering area was the third state, and execution in step S504-2.
On the other hand, when the capacity status of buffering area was not second state, if throughput is changed into less than minimum threshold and greater than zero, the capacity status of then directly judging buffering area was the third state, and execution in step S504-4.
In addition, in the method, first state is that high buffering area seizure condition, second state are that low-buffer district seizure condition, the third state are Fei Gaofei low-buffer district seizure condition.Maximum threshold can be 64kbps, and minimum threshold can be 8kbps.And can be 320ms the effective time of the first sluggish timer, and can be 30s the effective time of the second sluggish timer, and be 320s the 3rd effective time of disposing timer.
By technique scheme of the present invention, can realize continuous throughput state transition process, thereby guaranteed uplink and downlink channel migration condition in time synchronously, and guaranteed promptness and the accuracy of system to Event triggered.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart according to the buffer zone capacity status measurement triggering wireless channel carrying of correlation technique;
Fig. 2 is the schematic diagram according to the operation principle of the Pending Timer of correlation technique;
Fig. 3 is the schematic diagram according to the operation principle of the trigger Timer of correlation technique;
Fig. 4 is a schematic diagram of measuring throughput according to the method for judging buffer zone capacity status of the embodiment of the invention at the Iub mouth;
Fig. 5 is the flow chart according to the method for judging buffer zone capacity status of the embodiment of the invention; And
Fig. 6 is the flow chart according to the middle detailed process of the method for judging buffer zone capacity status of the embodiment of the invention.
Embodiment
At the problems referred to above, as shown in Figure 4, the present invention adopts the service rate of RNC on the Iub mouth to replace BO as measuring amount and measures, and the transition condition of two condition as radio bearer of handling up be set, finish the transition process of service rate state by the trigger conditions that adopts and measuring business volume is similar, thereby the BO State migration of discrete state is become a continuous process, guaranteed uplink and downlink channel migration condition in time synchronously, guaranteed promptness and the accuracy of system to Event triggered.
In the present embodiment, provide a kind of method for judging buffer zone capacity status.
As shown in Figure 5, method for judging buffer zone capacity status according to present embodiment comprises: step S502, measure the up and/or downlink throughput capacity of Iub mouth, and the first sluggish timer (trigger timerU) is set, the second sluggish timer (trigger timerD), with the 3rd sluggish timer (trigger timer0), and is set its effective time separately, wherein, the first sluggish timer is used for carrying out timing in throughput greater than maximum threshold (THU), the second sluggish timer is used for carrying out timing during less than minimum threshold (THD) in throughput, the 3rd sluggish timer is used for carrying out timing when throughput is zero, preferably, ThU is 64kbps, and ThD is 8kbps; And
Step S504, according to the relation of throughput and ThU and ThD and the state of judging buffering area effective time of sluggish timer, comprise: step S504-2, when throughput during greater than ThU, start the first sluggish timer, in the effective time of the first sluggish timer, if throughput is all the time greater than ThU, the capacity status of then judging buffering area is first state (represents high buffering area seizure condition, also can be described as A condition); Step S504-4, when throughput less than ThD and greater than zero the time, start the second sluggish timer, in the effective time of the second sluggish timer, if throughput is all the time less than ThD and greater than zero, the capacity status of then judging buffering area is second state (expression low-buffer district seizure condition also can be described as the B state); Step S504-6 when institute's throughput is zero, starts the 3rd sluggish timer, and in the effective time of the 3rd sluggish timer, if throughput equals zero all the time, the capacity status of then judging buffering area is a nought state.
Preferably, be set to 320ms effective time that can first timer, and be set to 30s the effective time of second timer, and be set to 320s the effective time of the 3rd timer.
Wherein, when the capacity status of buffering area is A condition, if throughput is changed into more than or equal to ThD and smaller or equal to ThU, then stop the first sluggish timer, start the second sluggish timer, if in the effective time of the second sluggish timer, throughput is all the time greater than ThD and smaller or equal to ThU, the capacity status of then judging buffering area is the third state (expression Fei Gaofei low-buffer district seizure condition also can be described as the other state).
When the capacity status of buffering area is second state, if throughput is changed into more than or equal to minimum threshold and smaller or equal to maximum threshold, then stop the second sluggish timer, start the first sluggish timer, if in the effective time of the first sluggish timer, throughput is all the time more than or equal to minimum threshold and less than maximum threshold, and the capacity status of then judging buffering area is the third state.
In this case, when just when arrive in the effective time of the sluggish timer of timing, report the capacity status of buffering area, and restart sluggish timer.
In addition, this method further comprises: when the capacity status of buffering area was not A condition, if throughput is changed into greater than ThU, the capacity status of then judging buffering area was the other state, and execution in step S504-2.
On the other hand, when the capacity status of buffering area was not the B state, if throughput is changed into less than ThD and greater than zero, the capacity status of then directly judging buffering area was the other state, and execution in step S504-4.
Preferably, in the method, can be set to 64kbps by ThU, can be set to 8kbps by ThD, the foundation of its setting is that the required upstream and downstream bandwidth of the real-time class business (for example VoIP business) of HSPA carrying requires to about 80kbps, is to be thresholding with 64kbps for the QoS demand of the non real-time class business (for example WEB service (web page browsing)) of HSPA carrying.And, can be 320ms the effective time of the first sluggish timer, and can be 30s the effective time of the second sluggish timer, and be 320s the 3rd effective time of disposing timer, in actual implementation process, can be by the effective time that is provided with the sluggish timer of artificial change on backstage.
Fig. 6 shows the detailed process flow process of above-mentioned deterministic process, and it describes the same Noodles seemingly, no longer repeats here.
Describe the present invention in detail below in conjunction with instantiation.
In this example, as mentioned above, with the first sluggish timer (promptly, TriggerTimerU), the second sluggish timer (promptly, TriggerTimerD) and the 3rd sluggish timer (promptly, TriggerTimer0) be set to 320ms, 30s, 320s effective time respectively, the meaning of three sluggish timers is respectively greater than the sluggish timer of thresholding, is 0 sluggish timer less than sluggish timer of thresholding and throughput.In addition, ThU and ThD are set to 64kbps and 8kbps respectively.
In this example, can comprise following processing:
Step 1 when uplink service is carried as EDCH, is opened the uplink throughput of FP layer and is measured
Step 2, the allocating and measuring smooth window, Win is 200ms in this example.When measuring, the throughput to the FP layer that measures in smooth window averages, and only measured value is just effectively during greater than smooth window when Measuring Time;
Concrete determining step is as follows:
(1) in the timer term of validity, if measurement of throughput is all the time less than ThD, then when the sluggish timer of sluggish timer TrigggerTimerD loses efficacy, report (triggering) B incident (that is, above-mentioned B state), and restarted the sluggish timer of TriggerTimerD;
(2) if in the effective time of the sluggish timer of TriggerTimerD, when throughput during more than or equal to ThD and less than ThU, stop the sluggish timer of TriggerTimerD, start the sluggish timer of TriggerTimerU, if in the sluggish timer term of validity of TriggerTimerU, throughput then when timer lost efficacy, sends the Other incident all the time greater than ThD;
(3) as in the sluggish timer term of validity of TriggerTimerU, throughput is again less than ThD, the sluggish timer of TriggerTimerU was lost efficacy, and the sluggish timer of startup TriggerTimerD, when the sluggish timer of TriggerTimerD gets arrival effective time, if throughput is less than ThD all the time, the then processing of execution in step (1), if more than or equal to ThD, the then processing of execution in step (2).This processing can solve two problems, one be when beginning throughput less than ThD, the problem that when changing into afterwards again BOState is resetted greater than ThD; Second problem be exactly during less than ThD in, fluctuation within a narrow range that can the filtering throughput;
(4) in said process, if throughput more than or equal to ThU, then stops all timers, start sluggish timer TriggerTimerU, report the Other incident, and processing proceeds to step 3;
Step 3 when throughput during more than or equal to thresholding ThD, starts sluggish timer TriggerTimerU;
Step 3.1, if in the effective time of the sluggish timer of TriggerTimerU, throughput is measured all the time more than or equal to ThU, then triggers the A incident when sluggish timer lost efficacy, and restarts the sluggish timer of TriggerTimerU;
Step 3.2, if in the sluggish timer term of validity of TriggerTimerU, throughput is less than ThU and greater than ThD, then stop all sluggish timers, start the sluggish timer of TriggerTimerD, if throughput is all the time less than ThU in the effective time of timer, then when the sluggish timer of TriggerTimerD lost efficacy, report the Other incident;
Step 3.3, if in the sluggish timer term of validity of TriggerTimerD, throughput is changed into again more than or equal to ThU, then stop the sluggish timer of TriggerTimerD, and restart the sluggish timer of TriggerTimerU, in the effective time of the sluggish timer of TriggerTimerU, if throughput is all the time more than or equal to ThU, the then processing of execution in step (1), if less than ThU, the then processing of execution in step (2);
Step 3.4, if in the appeal process, throughput stops all timers less than ThD, starts the sluggish timer of sluggish timer TriggerTimerD, report the Other incident, and processing proceeds to step 4;
Step 4, when throughput is 0, start sluggish timer 0, in the timer term of validity, if measuring, throughput equals 0 all the time, then when losing efficacy, sluggish timer 0 triggered 0 incident, as in the timer term of validity, throughput is non-0, reports the Other incident at once, and stops sluggish timer;
Step 5, channel migration still adopts descending triggering, the mode of last row constraint, the judgement of last row constraint is adopted the state variable judgement, unification on judgment condition like this, the result also oversimplifies in the operation, after concrete method is descending triggering, only check up buffer zone capacity status, when the state of buffering area satisfies certain condition, just can finish migration.
Step 6, subscriber equipment (UE) inserts (HSPA) state to forward direction access channel (FACH) state transition from high speed downlink packet, by descending triggering, and by last row constraint, here, up constraints was whether current BOState state is B state or nought state originally, can continue to use original flow process here, but for the action need modification process of buffer zone capacity status variable BOState;
Step 7, UE is to PCH state transition, and last row constraint is only adjudicated buffer zone capacity status and is necessary for nought state;
Step 8, to the modification of buffer zone capacity status variable BOState, BO measures and throughput is measured the change that any one incident can both trigger state variable, and the concrete modification method is as follows:
When 4B event counter more than or equal to the counter thresholding time, buffer zone capacity status variable BOState is set to the B state, and stamps time stamp label;
When 4A time counter more than or equal to the counter thresholding time, BOState is arranged to A condition with the buffering area variable, and stamps time stamp label;
Measure or measuring business volume when reporting the Other incident when throughput, the BOState state is arranged to the Other state;
When 4B0 counter the time, state variable BOState is arranged to 0 state, and stamps time tag more than or equal to the counter thresholding;
When the throughput measurement reports the B incident, state variable BOState is arranged to the B state, and stamps time tag;
When the throughput measurement reported the A incident, BOState was arranged to A condition with state variable, and stamped time tag;
When the throughput measurement reports 0 incident, state variable BOState is arranged to 0 state, and stamps time tag.
In sum, the present invention is in dynamic radio carrying control, by with triggering and the constraints of Iub mouth throughput as channel migration, can realize continuous throughput state transition process, thereby guaranteed uplink and downlink channel migration condition in time synchronously, and guaranteed promptness and the accuracy of system to Event triggered.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. a method for judging buffer zone capacity status is characterized in that, may further comprise the steps:
Step S502, measure the up and/or downlink throughput capacity of Iub mouth, and the first sluggish timer, the second sluggish timer and the 3rd sluggish timer be set, and is set its effective time separately, wherein, the described first sluggish timer is used for carrying out timing during greater than maximum threshold in described throughput, and the described second sluggish timer is used for carrying out timing in described throughput during less than minimum threshold, and the described the 3rd sluggish timer is used for carrying out timing when described throughput is zero; And
Step S504, according to the relation of described throughput and described maximum threshold and minimum threshold and the state of judging described buffering area effective time of described sluggish timer, comprise: step S504-2, when described throughput during greater than described maximum threshold, start the described first sluggish timer, in the effective time of the described first sluggish timer, if described throughput all the time greater than described maximum threshold, the capacity status of then judging described buffering area is first state; Step S504-4, when described throughput less than described minimum threshold and greater than zero the time, start the described second sluggish timer, in the effective time of the described second sluggish timer, if less than described minimum threshold and greater than zero, the capacity status of then judging described buffering area is second state to described throughput all the time; Step S504-6 when institute's throughput is zero, starts the described the 3rd sluggish timer, and in the effective time of described the 3rd sluggish timer, if described throughput equals zero all the time, the capacity status of then judging described buffering area is a nought state.
2. according to the method for judging buffer zone capacity status described in the claim 1, it is characterized in that, further comprise: when the capacity status of described buffering area is first state, if described throughput is changed into more than or equal to described minimum threshold and smaller or equal to described maximum threshold, then stop the described first sluggish timer, start the described second sluggish timer, if in the effective time of the described second sluggish timer, described throughput is all the time greater than described minimum threshold and smaller or equal to described maximum threshold, and the capacity status of then judging described buffering area is the third state.
3. according to the method for judging buffer zone capacity status described in the claim 1, it is characterized in that, further comprise: when the capacity status of described buffering area is second state, if described throughput is changed into more than or equal to described minimum threshold and smaller or equal to described maximum threshold, then stop the described second sluggish timer, start the described first sluggish timer, if in the effective time of the described first sluggish timer, described throughput is all the time more than or equal to described minimum threshold and less than described maximum threshold, and the capacity status of then judging described buffering area is the third state.
4. according to each described method for judging buffer zone capacity status in the claim 1 to 3, it is characterized in that, further comprise:, report the capacity status of described buffering area, and restart described sluggish timer when just when arrive in the effective time of the sluggish timer of timing.
5. according to the method for judging buffer zone capacity status described in the claim 1, it is characterized in that, further comprise: when the capacity status of described buffering area is not first state, if described throughput is changed into greater than described maximum threshold, the capacity status of then judging described buffering area is the third state, and carries out described step S504-2.
6. according to the method for judging buffer zone capacity status described in the claim 1, it is characterized in that, further comprise: when the capacity status of described buffering area is not second state, if described throughput is changed into less than described minimum threshold and greater than zero, the capacity status of then directly judging described buffering area is the third state, and carries out described step S504-4.
7. according to each described method for judging buffer zone capacity status in the claim 1,2,3,5 and 6, it is characterized in that described first state is that high buffering area seizure condition, described second state are that low-buffer district seizure condition, the described third state are Fei Gaofei low-buffer district seizure condition.
8. according to each described method for judging buffer zone capacity status in the claim 1,2,3,5 and 6, it is characterized in that described maximum threshold is 64kbps, described minimum threshold is 8kbps.
9. according to each described method for judging buffer zone capacity status in the claim 1,2,3,5 and 6, it is characterized in that, be 320ms the effective time of the described first sluggish timer, be 30s the effective time of the described second sluggish timer, and be 320s the effective time of described the 3rd sluggish timer.
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| CN101860905B (en) * | 2009-04-10 | 2012-10-10 | 电信科学技术研究院 | Method and system for determining data transmission format in state transfer process |
| CN101860906B (en) * | 2009-04-10 | 2013-04-24 | 电信科学技术研究院 | Method and system for determining data transmission format in state transfer process |
| CN102118785B (en) * | 2010-01-04 | 2013-11-13 | 联芯科技有限公司 | Traffic reporting method and device |
| US9413498B2 (en) * | 2010-05-26 | 2016-08-09 | Innovative Sonic Corporation | Method and apparatus for handling buffer status reporting in a wireless communication system |
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| CN1541470A (en) * | 2001-08-10 | 2004-10-27 | Ħ��������˾ | Method of determining volumn of resequenced buffer and method of transmitting data via RF link |
| CN1773553A (en) * | 2004-11-12 | 2006-05-17 | 安捷伦科技公司 | Image encoding with dynamic buffer capacity level based compression adjustment |
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| CN1541470A (en) * | 2001-08-10 | 2004-10-27 | Ħ��������˾ | Method of determining volumn of resequenced buffer and method of transmitting data via RF link |
| CN1773553A (en) * | 2004-11-12 | 2006-05-17 | 安捷伦科技公司 | Image encoding with dynamic buffer capacity level based compression adjustment |
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