CN100456890C - Adaptive adopting control method and apparatus - Google Patents
Adaptive adopting control method and apparatus Download PDFInfo
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Abstract
A method for controlling adaptive admission includes carrying out sequencing on refused probability of each admission decision course according to information being refused to be admitted, firstly carrying out maximum decision course of refused probability then carrying out secondary maximum decision course of refused probability and finally carrying out minimum decision course of refused probability. The device for realizing said method is also disclosed.
Description
Technical field
The present invention relates to admit control technology, particularly a kind of method and apparatus of adaptive admission control.
Background technology
Admitting control is exactly to keep code division multiple access (CDMA) system stability, when guaranteeing to have traffic stream service quality (QoS) in the network, satisfies the desired QoS of the new user of access, perhaps reduces the influence of new access service stream to existing business stream QoS as possible.Admittance is controlled at 3-G (Generation Three mobile communication system) (3G) and is in core status, is the critical workflow that maintenance system is stable, promote the whole user satisfaction.
Present acceptance controlling method is generally at first judged up-downgoing channelization code resource situation, if satisfying, the sign indicating number resource inserts requirement, investigate uplink interference power and down transmitting power factor again, if uplink interference power and down transmitting power are all in allowed limits, then allow to insert, idiographic flow as shown in Figure 1.
As shown in Figure 1, this method comprises:
In this step, uplink interference power judgement formula is as follows:
η
Ul+ΔL≤η
threshold，Ul (1)
η wherein
UlFor present total interference load, obtain based on public-measurement, Δ L is the interference increment after inserting according to the UE that the QoS of survice parameter prediction obtains, η
Threshold, UlBe the threshold value of uplink interference power, satisfy formula (1) and then satisfy the access requirement, insert requirement otherwise do not satisfy.
In this step, down transmitting power judgement formula is as follows:
η
DlWith Δ L
DL, adm≤ η
Threshold, Dl(2)
η wherein
DlBe total power termination at present, Δ L
DL, admBe the power increment of the UE that obtains according to QoS of survice parameter and the prediction of the UE transmitting power that receives after inserting, η
Threshold, DlBe the threshold value of downlink transmission power, satisfy formula (2) and then satisfy the access requirement, insert requirement otherwise do not satisfy.
So far, finish to admit control flow.
By the method for above-mentioned admittance control as seen, when UE make a call (voice or data service), system is according to up-downgoing sign indicating number resource situation, base station side uplink interference power and the descending power loading condition of Serving cell insert judgement at present, if a link is not passed through, then refuse UE and insert, otherwise allow UE to insert.The execution sequence of present admittance control flow committed step is fixed, promptly " up-downgoing sign indicating number resource and admission judgement-＞the uplink interference acceptance judging-＞the down transmitting power acceptance judging " order, other implementations are also arranged certainly, as " the uplink interference acceptance judging-＞the down transmitting power acceptance judging-＞judgement of up-downgoing sign indicating number resource and admission " etc., in case but scheme determines that the execution sequence of its committed step is immutable.
And in actual applications, in order to improve power system capacity, frequency is utilized again should be as far as possible little, introduces N frequency point cell and identical networking thus.And because the introducing of N frequency point cell and identical networking, originally resource-constrained state may change, uplink interference power and down transmitting power also become a very important factor, and system may be by resource-constrained state transitions to interference-limited or power limited.
Under the saturated situation of base station side uplink interference power or down transmitting power, if still according to " judgement of up-downgoing sign indicating number resource and admission-＞uplink interference power acceptance judging-＞the down transmitting power acceptance judging " order carry out and admit control flow, then may be after by the judgement of sub-district up-downgoing sign indicating number resource and admission, in two steps of back, be rejected access, especially enter the admittance control flow in the more data service of needs sign indicating number resource, need to reserve more sign indicating number resource, influence the access of subsequent user.
In addition, if the continuous channel sign indicating number inadequate resource that data service needs may trigger the adjustment of channel code or time slot, increase the risk that other conversation loss or qos parameter reduce, and present system is in the state of interference-limited or power limited, and it may be futile more than working.
Equally, if the acceptance judging of uplink interference power or down transmitting power is shifted to an earlier date, promptly according to " uplink interference power acceptance judging-＞the down transmitting power acceptance judging-＞up-downgoing sign indicating number resource and admission judgement " order carry out and admit control flow, reporting and handling of public-measurement also needs the long time, if but system has been in resource-constrained state, measurement and correlation computations also are skimble-skamble.
In the real system, because the variation of wireless environment or user's mobility, the state resource-constrained, interference-limited or power limited of system is not unalterable, the acceptance controlling method that judgement is at present solidified in proper order can't self adaptation be dealt with this variation, must cause the useless consumption of system and reduce overall user's satisfaction rate.
Summary of the invention
In view of this, the main purpose of one aspect of the present invention is, a kind of method of adaptive admission control is provided, and can save system consumption.
Another main purpose of the present invention is, a kind of device of adaptive admission control is provided, and can save system consumption.
For reaching above-mentioned first main purpose, the present invention adopts following technical scheme:
A kind of method of adaptive admission control, it is characterized in that, be the corresponding admittance refusal counter that is provided with separately of acceptance judging process in advance, and according to the characteristic of sub-district and the statistical information that excludes for a long time, for admitting the refusal counter that maximum and initial value separately are set, and when certain count value of admitting the refusal counter during greater than maximum, the count value of then recovering all admittance refusal counter is separately initial value; This method also comprises:
A, terminal make a call, and send the request of admitting to network;
B, network admit the acceptance judging process of refusal counter correspondence to sort according to admitting the order that count value is successively decreased in the refusal counter to each;
C, according to the ordering among the step b, successively acceptance judging is carried out in the admittance request of terminal, when the admittance request of terminal does not meet requiring of any one acceptance judging process, the admittance refusal counter of corresponding acceptance judging process is counted, and refused this terminal and insert; If by all acceptance judgings, then allow this terminal to insert.
Preferably, the acceptance judging process described in the step b can comprise: the judgement of up-downgoing sign indicating number resource and admission, uplink interference acceptance judging and descending power acceptance judging.
Preferably, described step c can for:
C1, to the admittance request of terminal, at first carry out the acceptance judging of the admittance refusal counter correspondence of count value maximum, if this court verdict inserts for allowing, then execution in step c2 and subsequent step thereof, otherwise the count value of the admittance of correspondence being refused counter increases an adjustment step value, finish the judgement flow process, refuse this terminal and insert;
C2, to the admittance request of terminal, carry out count value time big admittance again and refuse the acceptance judging of counter correspondence, if this court verdict inserts for allowing, execution in step c3 then, otherwise the count value of the admittance of correspondence being refused counter increases an adjustment step value, finish the judgement flow process, refuse this terminal and insert;
C3, to the admittance request of terminal, carry out the acceptance judging of the admittance refusal counter correspondence of count value minimum, if this court verdict inserts for allowing, then allow this terminal to insert, otherwise the count value of the admittance of correspondence being refused counter increases an adjustment step value, finish the judgement flow process, refuse this terminal and insert.
Preferably, described adjustment step value can be 3 or 3 multiple.
When described adjustment step value is 3 multiple, preferably, the initial value D of described admittance refusal counter
1, D
2And D
3Satisfy respectively:
D
1mod3＝＝2，D
2mod3＝＝1，D
3mod3＝＝0。
Preferably, the judgement of described up-downgoing sign indicating number resource and admission can for:
According to the admittance request of terminal, judge whether sub-district up-downgoing sign indicating number resource satisfies the access requirement, if meet the demands, then court verdict inserts for allowing, and inserts otherwise court verdict is a refusal;
Described uplink interference acceptance judging is:
According to the admittance request of terminal, judge whether uplink interference satisfies the access requirement, if meet the demands, then court verdict inserts for allowing, and inserts otherwise court verdict is a refusal;
Described descending power acceptance judging is:
According to the admittance request of terminal, judge whether descending power satisfies the access requirement, if meet the demands, then court verdict inserts for allowing, and inserts otherwise court verdict is a refusal.
When the satisfied access of sub-district up-downgoing sign indicating number resource requires, preferably, may further include: carry out a yard defragmentation, judge again whether the up-downgoing sign indicating number resource after the arrangement satisfies the access requirement, if meet the demands, then court verdict inserts for allowing, otherwise court verdict inserts for refusal.
For reaching above-mentioned second main purpose, the present invention adopts following technical scheme:
A kind of device of adaptive admission control is characterized in that this device comprises receiver module, acceptance judging module and central processing module;
Described receiver module is used for the admittance request that receiving terminal sends, and this request is sent to described central processing module;
Described central processing module, be used to receive the admittance request that described receiver module sends, the order of successively decreasing according to count value in the admittance of the acceptance judging process correspondence refusal counter sorts to the acceptance judging process of described admittance refusal counter correspondence, and calls the acceptance judging module of acceptance judging process correspondence successively according to the order that described count value is successively decreased;
Described acceptance judging module, be used to accept calling of described central processing module, carry out acceptance judging, when the admittance request of terminal does not meet requiring of any one acceptance judging process, admittance refusal counter to corresponding acceptance judging process is counted, and the current count value after the admittance refusal counter renewal of corresponding acceptance judging process is sent to described central processing module.
Preferably, described acceptance judging module can comprise: up-downgoing sign indicating number resource and admission judging module, uplink interference acceptance judging module and descending power acceptance judging module;
Described central processing module, be used for count value according to described up-downgoing sign indicating number resource and admission judging module, uplink interference acceptance judging module and the transmission of descending power acceptance judging module, the order of successively decreasing according to described count value, the admittance judging process is sorted, and according to the sequence call up-downgoing sign indicating number resource and admission judging module, uplink interference acceptance judging module and the descending power acceptance judging module that sort;
Described up-downgoing sign indicating number resource and admission judging module, be used to accept calling of described central processing module, the judgement of up-downgoing sign indicating number resource and admission is carried out in the admittance request of terminal, and when excluding, the admittance refusal counter of self correspondence is carried out count value and upgrade, the current count value of the admittance refusal counter of up-downgoing sign indicating number resource and admission judging module correspondence is sent to described central processing module;
Described uplink interference acceptance judging module, be used to accept calling of described central processing module, the uplink interference acceptance judging is carried out in admittance request to terminal, and the admittance refusal counter to self correspondence is counted when excluding, and the current count value of the admittance refusal counter of uplink interference acceptance judging module correspondence is sent to described central processing module;
Described descending power acceptance judging module, be used to accept calling of described central processing module, the descending power acceptance judging is carried out in admittance request to terminal, and the admittance refusal counter to self correspondence is counted when excluding, and the current count value of the admittance refusal counter of descending power acceptance judging module correspondence is sent to described central processing module.
Preferably, described up-downgoing sign indicating number resource and admission judging module can comprise up-downgoing sign indicating number resource and admission judgement submodule and up-downgoing sign indicating number resource and admission refusal counter, described uplink interference acceptance judging module can comprise uplink interference acceptance judging submodule and uplink interference admittance refusal counter, described descending power acceptance judging module can comprise descending power acceptance judging submodule and descending power admittance refusal counter, wherein
Described up-downgoing sign indicating number resource and admission judgement submodule is used to accept calling of described central processing module, and the judgement of up-downgoing sign indicating number resource and admission is carried out in the admittance request of terminal, and refusal information is sent to described up-downgoing sign indicating number resource and admission refusal counter;
Described up-downgoing sign indicating number resource and admission refusal counter, be used to receive the refusal information that described up-downgoing sign indicating number resource and admission judgement submodule sends, count value is increased by one adjusts step value, and with up-downgoing sign indicating number resource and admission refusal counter current count value send to described central processing module;
Described uplink interference acceptance judging submodule is used to accept calling of described central processing module, and the uplink interference acceptance judging is carried out in the admittance request of terminal, and refusal information is sent to described uplink interference admittance refusal counter;
Described uplink interference is admitted the refusal counter, be used to receive the refusal information that described uplink interference acceptance judging submodule sends, count value is increased by one adjust step value, and admit the current count value of refusal counter to send to described central processing module uplink interference;
Described descending power acceptance judging submodule is used to accept calling of described central processing module, and the descending power acceptance judging is carried out in the admittance request of terminal, and refusal information is sent to described descending power admittance refusal counter;
Described descending power is admitted the refusal counter, be used to receive the refusal information that described descending power acceptance judging submodule sends, count value is increased by one adjust step value, and admit the current count value of refusal counter to send to described central processing module descending power.
As seen from the above technical solution, the network based information that excludes among the present invention, the rejection probability of acceptance judging process is sorted, at first carry out the acceptance judging process of rejection probability maximum, carry out rejection probability time big acceptance judging process then, carry out the acceptance judging process of rejection probability minimum at last.Like this, just can be according to the residing different conditions of system under the different wireless environments, determine each acceptance judging process execution sequence, make network always adjudicate according to the order that rejection probability successively decreases, thereby the saving system consumption shortens the processing time of admitting control.
Further, the present invention carries out acceptance judging according to the order that rejection probability successively decreases, significantly reduce system and be in state following time of interference-limited or power limited, the sign indicating number fragment situation of putting in order to system, so the user that serving and follow-up access user's influence are diminished relatively, reduce the probability of service-user because of sign indicating number fragment adjustment causing call drop or QoS reduction, reduce other new access users because of reserving the unaccepted probability of sign indicating number resource, can effectively improve overall user's satisfaction rate.
Description of drawings
Fig. 1 is the method flow diagram of existing admittance control.
Fig. 2 is the equipments overall structure figure of adaptive admission control of the present invention.
Fig. 3 is the method overview flow chart of adaptive admission control of the present invention.
Fig. 4 is the composition structure chart of the device embodiment of adaptive admission control of the present invention.
Fig. 5 is the flow chart of the method embodiment of adaptive admission control of the present invention.
Fig. 6 is the particular flow sheet of up-downgoing sign indicating number resource judgement among the method embodiment of adaptive admission of the present invention control.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer,, describe the specific embodiment of the present invention in detail below in conjunction with the accompanying drawing embodiment that develops simultaneously.
Basic thought of the present invention is: the network based information that excludes, the rejection probability of each acceptance judging process is sorted, at first carry out the acceptance judging process of rejection probability maximum, carry out rejection probability time big acceptance judging process then, carry out the acceptance judging process of rejection probability minimum at last.
Fig. 2 is the method overview flow chart of adaptive admission control of the present invention.As shown in Figure 2, this method comprises:
Step 202 sorts to the order of admitting judging process;
In this step, the refusal information of network based admittance control, the execution sequence of admitting judging process is sorted, and the acceptance judging process that may relate to has: up-downgoing sign indicating number resource and admission judging process, uplink interference acceptance judging process and descending power acceptance judging process.
Step 203 according to the order of ordering, is carried out acceptance judging;
In this step, if carry out up-downgoing sign indicating number resource, uplink interference and three acceptance judging processes of descending power, can be according to the ordering of the judgement of up-downgoing sign indicating number resource and admission, uplink interference acceptance judging and descending power acceptance judging, successively acceptance judging is carried out in the admittance request of terminal, when the admittance request of terminal does not meet any one acceptance judging, finish the acceptance judging flow process, refuse this terminal and insert.
So far, the method flow of adaptive admission control of the present invention finishes.
Be the method flow diagram of adaptive admission control of the present invention above, can also draw the corresponding apparatus structure of carrying out the adaptive admission control of this method by this method.
Fig. 3 is the equipments overall structure figure of adaptive admission control of the present invention.As shown in Figure 3, this device comprises: receiver module 301, central processing module 302, up-downgoing resource and admission judging module 303.
In the device 300 of adaptive admission control, receiver module 301 is used for the admittance request that receiving terminal sends, and this request is sent to central processing module 302; Central processing module 302, be used to receive the admittance request that is sent by receiver module 301, the refusal information of the admittance control that sends according to acceptance judging module 303 is to admitting judging process, the order of successively decreasing according to rejection probability sorts, and calls acceptance judging module 303; Acceptance judging module 303 is used to accept calling of central processing module 302, acceptance judging is carried out in the admittance request of terminal, and refusal information is sent to central processing module 302.
By such scheme as seen, the method and apparatus of adaptive admission control of the present invention, can be according to the different situations of network, the different conditions of resource-constrained, the interference-limited or power limited of system, the order when adjusting acceptance judging, feasible acceptance judging process of carrying out the rejection probability maximum earlier, carry out rejection probability time big acceptance judging process then, carry out the acceptance judging process of rejection probability minimum at last, like this, thereby effectively reduce the useless consumption of system, improve total satisfaction.
Below in conjunction with specific embodiment explanation the specific embodiment of the present invention.
Fig. 4 is the flow chart of the method embodiment of adaptive admission control of the present invention.According to the characteristic of sub-district and the statistical information that excludes for a long time, for admitting the refusal counter maximum and initial value separately are set, wherein, the initial value D of up-downgoing sign indicating number resource and admission refusal counter
1=2, uplink interference is admitted the initial value D of refusal counter
2=1, descending power is admitted the initial value D of refusal counter
3=0.Each admits the refusal counter when carrying out from add operation, and adjusting step value is 3.When certain count value of admitting the refusal counter during greater than maximum, the count value of then recovering all admittance refusal counter is separately initial value.As shown in Figure 4, this method comprises:
Step 401, UE makes a call, and sends the request of admitting to network.
In this step, seek the judging process that the acceptance judging process of admitting the counter correspondence of count value maximum in the refusal counter is the rejection probability maximum; When the rejection probability of up-downgoing sign indicating number resource and admission judging process is maximum, execution in step 403-418, when the rejection probability of uplink interference acceptance judging process is maximum, execution in step 419-434, when descending power interface is received the rejection probability of judging process when maximum, execution in step 435-450.
Step 403 is carried out the judgement of up-downgoing sign indicating number resource and admission.
Step 404 judges whether to adjudicate by up-downgoing sign indicating number resource and admission; If, then execution in step 406 and subsequent step thereof, otherwise execution in step 405.
Step 405 makes up-downgoing sign indicating number resource and admission refusal counter carry out from add operation, and refusal inserts this user terminal, and finishes this admittance control flow.
Step 406 is sought rejection probability time big judging process;
In this step, seek remaining two acceptance judging processes of admitting the counter correspondence that count value is bigger in the refusal counter, be rejection probability time big judging process; When the rejection probability of uplink interference acceptance judging process was time big, execution in step 407～412 was when descending power interface is received the rejection probability of judging process when time big, execution in step 413～418.
Step 407 is carried out the uplink interference acceptance judging;
In this step, uplink interference power judgement formula is as follows:
η
Ul+ΔL≤η
threshold，Ul (1)
η wherein
UlFor present total interference load, obtain based on public-measurement, Δ L is the interference increment after inserting according to the UE that the QoS of survice parameter prediction obtains, η
Threshold, UlThreshold value for uplink interference power.
Step 408 judges whether by the uplink interference acceptance judging, if then execution in step 410～412, otherwise execution in step 409;
In this step, if satisfy formula (1) in the step 407, then by the uplink interference acceptance judging, otherwise not by the uplink interference acceptance judging.
Step 409 makes uplink interference admit the refusal counter to carry out from add operation, and refusal inserts this user terminal, and finishes this admittance control flow.
Step 410 is carried out the descending power acceptance judging;
In this step, down transmitting power judgement formula is as follows:
η
Dl+ΔL
DL，adm≤η
threshold，Dl (2)
η wherein
DlBe total power termination at present, Δ L
DL, admBe the power increment of the UE that obtains according to QoS of survice parameter and the prediction of the UE transmitting power that receives after inserting, η
Threshold, DlThreshold value for downlink transmission power.
Step 411 judges whether by the descending power acceptance judging, if, then allow to insert this terminal, and finish this admittance control flow, otherwise execution in step 412;
In this step, if satisfy formula (2) in the step 410, then by the descending power acceptance judging, otherwise not by the descending power acceptance judging.
Step 412 makes descending power admit the refusal counter to carry out from add operation, and refusal inserts this user terminal, and finishes this admittance control flow.
Operation in step 413～418 and step 407～412 are similar, and difference only is to carry out earlier the descending power acceptance judging, carry out the uplink interference acceptance judging again, just repeat no more here.
Operation in step 419～434 and step 403～418 are similar, and different what only be at first to carry out is the uplink interference acceptance judging, and then carries out judgement of up-downgoing sign indicating number resource and descending power acceptance judging according to the count value size of admitting the refusal counter; Operation in step 435～450 is also similar with step 403～418, and what difference was at first to carry out is the descending power acceptance judging, and then carries out judgement of up-downgoing sign indicating number resource and uplink interference acceptance judging according to the count value size of admitting the refusal counter.
So far, whole admittance control flow finishes.
In above-mentioned adaptive admission control flow, can also comprise the process of yard defragmentation for up-downgoing sign indicating number resource and admission judgement, concrete flow process as shown in Figure 5, this flow process comprises:
Step 501 judges whether current up-downgoing sign indicating number resource satisfies the access requirement, if, then should request adjudicate by up-downgoing sign indicating number resource and admission, and process ends, otherwise execution in step 502.
Step 502 is carried out a yard defragmentation.
Step 503 judges whether the up-downgoing sign indicating number resource after the arrangement satisfies the access requirement, if the request of then being somebody's turn to do is by the judgement of up-downgoing sign indicating number resource and admission, and process ends, otherwise this request is adjudicated by up-downgoing sign indicating number resource and admission, and process ends.
Above-mentioned is the method embodiment of adaptive admission control of the present invention,
Be the specific embodiment of the inventive method above, can also obtain the embodiment of corresponding adaptive admission control device by the method for adaptive admission control of the present invention.Fig. 6 is the device example structure figure of adaptive admission control of the present invention.As shown in Figure 6, the device 600 of the adaptive admission of present embodiment control comprises: receiver module 610, central processing module 620, up-downgoing sign indicating number resource and admission judging module 630, uplink interference acceptance judging module 640 and descending power acceptance judging module 650.Wherein, up-downgoing sign indicating number resource and admission judging module 630 comprises up-downgoing sign indicating number resource and admission judgement submodule 631 and up-downgoing sign indicating number resource and admission refusal counter 632, uplink interference acceptance judging module 640 comprises uplink interference acceptance judging submodule 641 and uplink interference admittance refusal counter 642, and descending power acceptance judging module 650 comprises descending power acceptance judging submodule 651 and descending power admittance refusal counter 652.Wherein up-downgoing sign indicating number resource and admission judging module 630, uplink interference acceptance judging module 640 and descending power acceptance judging module 650 have constituted acceptance judging module 303 shown in Figure 3.
In the device 600 of adaptive admission control, receiver module 610 is used for the admittance request that receiving terminal sends, and this request is sent to central processing module 620; Central processing module 620, be used for admitting refusal counter 642 and descending power to admit and refuse the count information that counter 652 sends according to up-downgoing sign indicating number resource and admission refusal counter 632, uplink interference, count value to counter sorts according to the order of successively decreasing, i.e. rank order of successively decreasing according to rejection probability, and call the judgement of up-downgoing sign indicating number resource and admission submodule 631, uplink interference acceptance judging submodule 641 and descending power acceptance judging submodule 651 successively according to the order of ordering; Up-downgoing sign indicating number resource and admission judgement submodule 631 is used to accept calling of central processing module 620, and the judgement of up-downgoing sign indicating number resource and admission is carried out in the admittance request of terminal, and refusal information is sent to up-downgoing sign indicating number resource and admission refusal counter 632; Up-downgoing sign indicating number resource and admission refusal counter 632 is used to receive the refusal information that up-downgoing sign indicating number resource and admission judgement submodule 631 sends, and count value is increased an adjustment step value, and current count value is sent to central processing module 620; Uplink interference acceptance judging submodule 641 is used to accept calling of central processing module 620, and the uplink interference acceptance judging is carried out in the admittance request of terminal, and refusal information is sent to uplink interference admittance refusal counter 642; Uplink interference is admitted refusal counter 642, is used to receive the refusal information that uplink interference acceptance judging submodule 641 sends, and count value is increased an adjustment step value, and current count value is sent to central processing module 620; Descending power acceptance judging submodule 651 is used to accept calling of central processing module 620, and the descending power acceptance judging is carried out in the admittance request of terminal, and refusal information is sent to descending power admittance refusal counter 652; Descending power is admitted refusal counter 652, is used to receive the refusal information that descending power acceptance judging submodule 651 sends, and count value is increased an adjustment step value, and current count value is sent to central processing module 620.
In method embodiment shown in Figure 4, individual count device initial value is respectively 0,1 and 2, and they divide exactly the remainder difference after 3, and it is 3 that unison counter is adjusted step-length at every turn, can avoid the value of individual count device identical like this, increases the complexity of handling.Certainly, the initial value of step-length sum counter also can be got other values, as long as guarantee that three are admitted between the refusal counter, each count value is all different to get final product.The peaked setting of counter is wanted rationally, and value is too small may to cause frequently recovering initial setting up, and the information of accumulation is washed out, and the mistake conference causes the change information of resource, interference and power slow in reacting.The radius of peaked setting of calculator and sub-district, area coverage, average user number in the sub-district, each user's average call number of times is relevant with factors such as mobilities, average user number in sub-district average call number of times many more or each user are many more, switch frequent more, then the maximum of counter is then big more, in actual applications, because the variation of wireless environment, the proportion of above-mentioned parameters in maximum value calculation is changing, can not obtain this peaked enclosed computing formula, to in actual measurement, get the maximum of suitable value as counter.
Being preferred embodiment of the present invention only below, is not to be used to limit protection scope of the present invention.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 (10)
1, a kind of method of adaptive admission control, it is characterized in that, be the corresponding admittance refusal counter that is provided with separately of acceptance judging process in advance, and according to the characteristic of sub-district and the statistical information that excludes for a long time, for admitting the refusal counter that maximum and initial value separately are set, and when certain count value of admitting the refusal counter during greater than maximum, the count value of then recovering all admittance refusal counter is separately initial value; This method also comprises:
A, terminal make a call, and send the request of admitting to network;
B, network admit the acceptance judging process of refusal counter correspondence to sort according to admitting the order that count value is successively decreased in the refusal counter to each;
C, according to the ordering among the step b, successively acceptance judging is carried out in the admittance request of terminal, when the admittance request of terminal does not meet requiring of any one acceptance judging process, the admittance refusal counter of corresponding acceptance judging process is counted, and refused this terminal and insert; If by all acceptance judgings, then allow this terminal to insert.
2, method according to claim 1 is characterized in that, the acceptance judging process described in the step b comprises: the judgement of up-downgoing sign indicating number resource and admission, uplink interference acceptance judging and descending power acceptance judging.
3, method according to claim 2 is characterized in that, described step c is:
C1, to the admittance request of terminal, at first carry out the acceptance judging of the admittance refusal counter correspondence of count value maximum, if this court verdict inserts for allowing, then execution in step c2 and subsequent step thereof, otherwise the count value of the admittance of correspondence being refused counter increases an adjustment step value, finish the judgement flow process, refuse this terminal and insert;
C2, to the admittance request of terminal, carry out count value time big admittance again and refuse the acceptance judging of counter correspondence, if this court verdict inserts for allowing, execution in step c3 then, otherwise the count value of the admittance of correspondence being refused counter increases an adjustment step value, finish the judgement flow process, refuse this terminal and insert;
C3, to the admittance request of terminal, carry out the acceptance judging of the admittance refusal counter correspondence of count value minimum, if this court verdict inserts for allowing, then allow this terminal to insert, otherwise the count value of the admittance of correspondence being refused counter increases an adjustment step value, finish the judgement flow process, refuse this terminal and insert.
4, want 3 described methods according to right, it is characterized in that, described adjustment step value is 3 or 3 multiple.
5, method according to claim 1, when described adjustment step value is 3 multiple, the initial value D of described admittance refusal counter
1, D
2And D
3Satisfy respectively:
D
1mod3＝＝2，D
2mod3＝＝1，D
3mod3＝＝0。
According to any described method in the claim 2 to 4, it is characterized in that 6, described up-downgoing sign indicating number resource and admission judgement is:
According to the admittance request of terminal, judge whether sub-district up-downgoing sign indicating number resource satisfies the access requirement, if meet the demands, then court verdict inserts for allowing, and inserts otherwise court verdict is a refusal;
Described uplink interference acceptance judging is:
According to the admittance request of terminal, judge whether uplink interference satisfies the access requirement, if meet the demands, then court verdict inserts for allowing, and inserts otherwise court verdict is a refusal;
Described descending power acceptance judging is:
According to the admittance request of terminal, judge whether descending power satisfies the access requirement, if meet the demands, then court verdict inserts for allowing, and inserts otherwise court verdict is a refusal.
7, method according to claim 6, it is characterized in that, when the satisfied access of sub-district up-downgoing sign indicating number resource requires, further comprise: carry out a yard defragmentation, judge again whether the up-downgoing sign indicating number resource after the arrangement satisfies the access requirement, if meet the demands, then court verdict inserts for allowing, otherwise court verdict inserts for refusal.
8, a kind of device of adaptive admission control is characterized in that this device comprises receiver module, acceptance judging module and central processing module;
Described receiver module is used for the admittance request that receiving terminal sends, and this request is sent to described central processing module;
Described central processing module, be used to receive the admittance request that described receiver module sends, the order of successively decreasing according to count value in the admittance of the acceptance judging process correspondence refusal counter sorts to the acceptance judging process of described admittance refusal counter correspondence, and calls the acceptance judging module of acceptance judging process correspondence successively according to the order that described count value is successively decreased;
Described acceptance judging module, be used to accept calling of described central processing module, carry out acceptance judging, when the admittance request of terminal does not meet requiring of any one acceptance judging process, the admittance of corresponding acceptance judging process refusal counter is counted, and the current count value of the admittance refusal counter of corresponding acceptance judging process is sent to described central processing module.
9, device according to claim 8 is characterized in that, described acceptance judging module comprises: up-downgoing sign indicating number resource and admission judging module, uplink interference acceptance judging module and descending power acceptance judging module;
Described central processing module, be used for count value according to described up-downgoing sign indicating number resource and admission judging module, uplink interference acceptance judging module and the transmission of descending power acceptance judging module, the order of successively decreasing according to described count value, the admittance judging process is sorted, and according to the sequence call up-downgoing sign indicating number resource and admission judging module, uplink interference acceptance judging module and the descending power acceptance judging module that sort;
Described up-downgoing sign indicating number resource and admission judging module, be used to accept calling of described central processing module, the judgement of up-downgoing sign indicating number resource and admission is carried out in the admittance request of terminal, and the admittance refusal counter to self correspondence is counted when excluding, and the current count value of the admittance refusal counter of up-downgoing sign indicating number resource and admission judging module correspondence is sent to described central processing module;
Described uplink interference acceptance judging module, be used to accept calling of described central processing module, the uplink interference acceptance judging is carried out in admittance request to terminal, and the admittance refusal counter to self correspondence is counted when excluding, and the current count value of the admittance refusal counter of uplink interference acceptance judging module correspondence is sent to described central processing module;
Described descending power acceptance judging module, be used to accept calling of described central processing module, the descending power acceptance judging is carried out in admittance request to terminal, and the admittance refusal counter to self correspondence is counted when excluding, and the current count value of the admittance refusal counter of descending power acceptance judging module correspondence is sent to described central processing module.
10, device according to claim 9, it is characterized in that, described up-downgoing sign indicating number resource and admission judging module comprises up-downgoing sign indicating number resource and admission judgement submodule and up-downgoing sign indicating number resource and admission refusal counter, described uplink interference acceptance judging module comprises uplink interference acceptance judging submodule and uplink interference admittance refusal counter, described descending power acceptance judging module comprises descending power acceptance judging submodule and descending power admittance refusal counter, wherein
Described up-downgoing sign indicating number resource and admission judgement submodule is used to accept calling of described central processing module, and the judgement of up-downgoing sign indicating number resource and admission is carried out in the admittance request of terminal, and refusal information is sent to described up-downgoing sign indicating number resource and admission refusal counter;
Described up-downgoing sign indicating number resource and admission refusal counter, be used to receive the refusal information that described up-downgoing sign indicating number resource and admission judgement submodule sends, count value is increased by one adjust step value, and the current count value of up-downgoing sign indicating number resource and admission refusal counter is sent to described central processing module;
Described uplink interference acceptance judging submodule is used to accept calling of described central processing module, and the uplink interference acceptance judging is carried out in the admittance request of terminal, and refusal information is sent to described uplink interference admittance refusal counter;
Described uplink interference is admitted the refusal counter, be used to receive the refusal information that described uplink interference acceptance judging submodule sends, count value is increased by one adjust step value, and admit the current count value of refusal counter to send to described central processing module uplink interference;
Described descending power acceptance judging submodule is used to accept calling of described central processing module, and the descending power acceptance judging is carried out in the admittance request of terminal, and refusal information is sent to described descending power admittance refusal counter;
Described descending power is admitted the refusal counter, be used to receive the refusal information that described descending power acceptance judging submodule sends, count value is increased by one adjust step value, and admit the current count value of refusal counter to send to described central processing module descending power.
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| CN1370022A (en) * | 2001-02-01 | 2002-09-18 | 株式会社Ntt都科摩 | Calling receiving controller and method thereof |
| CN2652069Y (en) * | 2002-05-24 | 2004-10-27 | 美商内数字科技公司 | Calling permitting controlling unit |
| CN1571574A (en) * | 2004-05-09 | 2005-01-26 | 中兴通讯股份有限公司 | A wireless communication system access control method |
| WO2005048636A1 (en) * | 2003-11-17 | 2005-05-26 | Electronics And Telecommunications Research Institute | Call admission controlling device and method for providing qos in high-speed portable network |
| CN1633205A (en) * | 2004-12-30 | 2005-06-29 | 武汉汉网高技术有限公司 | A method of multi-service switching QoS of broadband wireless multimedia cellular network |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1370022A (en) * | 2001-02-01 | 2002-09-18 | 株式会社Ntt都科摩 | Calling receiving controller and method thereof |
| CN2652069Y (en) * | 2002-05-24 | 2004-10-27 | 美商内数字科技公司 | Calling permitting controlling unit |
| WO2005048636A1 (en) * | 2003-11-17 | 2005-05-26 | Electronics And Telecommunications Research Institute | Call admission controlling device and method for providing qos in high-speed portable network |
| CN1571574A (en) * | 2004-05-09 | 2005-01-26 | 中兴通讯股份有限公司 | A wireless communication system access control method |
| CN1633205A (en) * | 2004-12-30 | 2005-06-29 | 武汉汉网高技术有限公司 | A method of multi-service switching QoS of broadband wireless multimedia cellular network |
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