CN101304602B - Method and device for adjudging user access - Google Patents
Method and device for adjudging user access Download PDFInfo
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- CN101304602B CN101304602B CN 200710099051 CN200710099051A CN101304602B CN 101304602 B CN101304602 B CN 101304602B CN 200710099051 CN200710099051 CN 200710099051 CN 200710099051 A CN200710099051 A CN 200710099051A CN 101304602 B CN101304602 B CN 101304602B
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Abstract
The invention discloses a method for judging the user access, comprising the steps that: the current business loads of a cell is determined; the access probability which is corresponding to the current business loads of the cell is determined according to the pre-set corresponding relationship; and the judgment of the user access is carried out according to the access probability. The usage of the method provided by the invention can judge whether the user can be accessed to a mobile communication network by a more flexible mode. The usage of the technical proposal provided by the invention can also balance the business loads of various cells, reduce the interference in the cells and improve the system capacity in particular to a distributed network architecture. The invention further discloses a device for judging whether the user can be accessed.
Description
Technical field
The present invention relates to control the technical field of user's access to mobile network, relate in particular to the method and apparatus of a kind of user's of judgement access in the mobile communication system.
Background technology
At present, in 3-G (Generation Three mobile communication system), system has adopted centralized network architecture, and network side comprises the RNC(radio network controller) and the NodeB(base station).RNC is connected with one or more NodeB, is responsible for carrying out centralized control and resource management.User's access control is finished by RNC, RNC can adjudicate New Consumers or the business of whether admitting by admission control algorithm, the purpose of doing like this is to have admitted under the prerequisite of QoS of customer in assurance, admits as much as possible New Consumers, to improve cell capacity and resource utilization ratio.Simultaneously, because RNC grasped resource operating position and the traffic load situation of its each residential quarter of administering, so RNC can make accordingly more accurately and judging, can also optimize the performance of admission control algorithm.
A shortcoming of centralized network architecture is that too much node has been introduced extra time delay, causes systematic function to descend.In order to address this problem, in the mobile communication system of follow-up study, all adopted the distributed network architecture.In distributed network architecture, RNC is removed, and NodeB directly links to each other with core net.Originally some control functions that realized by RNC and algorithm (comprising admission control algorithm) also turn by NodeB to be realized.Distributed structure/architecture can shorten professional transmission and transfer time delay effectively, all will carry out distributed implementation but this network architecture has also determined a lot of relevant control and RRMs.
In distributed network architecture, whether each NodeB or residential quarter must independently according to the traffic load of self and the quality of service requirement of business to be accessed, admit New Consumers or business by the admission control algorithm judgement.
No matter be centralized network architecture or distributed network architecture, whether the network side judgement admits new user's method all is to preset a traffic load thresholding, if the current business of residential quarter load then excludes New Consumers or business greater than this thresholding; Otherwise admit New Consumers or business.
Can find out the method for the existing judgement user access threshold value that places one's entire reliance upon, underaction.
Summary of the invention
In view of this, the technical problem that the present invention solves provides a kind of method and apparatus of the user's of judgement access, and employing the present invention more flexibly mode adjudicates accessing mobile communication network for users.
For this reason, technical scheme provided by the invention is as follows:
A kind of method of adjudicating user's access is applied to network side, is carried out by the base station, comprising:
Adopt the periodically traffic load of mode calculation plot, or, with the traffic load of triggering mode calculation plot;
Wherein, when trigger condition is that business in the residential quarter increases or when removing, triggers described network side and recomputate and determine the traffic load that the residential quarter is current;
When trigger condition is when having the user to leave in the residential quarter, triggers described network side and recomputate and determine the traffic load that the residential quarter is current;
When trigger condition when new user residential quarter to be accessed is arranged, trigger the current traffic load in Zone determination of power load residential quarter that described network side calculated according to the last time, described residential quarter is any one residential quarter under described base station covers;
Determine access probability corresponding to the current traffic load in residential quarter according to the corresponding relation that presets;
With described access probability described user's access is adjudicated.
Wherein, the Zone that calculates with the last time is loaded as the current traffic load in residential quarter.
Wherein, the basis of the Zone load that calculates in the last time increases the traffic load increment, to increase traffic load behind the increment as the current traffic load in residential quarter; Wherein, described traffic load increment is that the described user of access causes.
Wherein, divide separately the traffic load grade for the traffic load of residential quarter, the access probability of a correspondence is set for each traffic load grade, make the traffic load correspondence access probability separately that is in different brackets.
Wherein, the corresponding access probability of traffic load of each grade is set according to the traffic load degree, the traffic load degree is lighter, and the corresponding access probability of the traffic load of this grade is higher.
Wherein, further comprise:
The traffic load situation of reception of neighboring cell is adjusted the corresponding access probability of traffic load according to the traffic load situation of neighbor cell;
The traffic load of neighbor cell reduces, and then improves access probability corresponding to traffic load;
The traffic load of neighbor cell raises, and then reduces access probability corresponding to traffic load.
Wherein, in the steps below user's access is adjudicated:
Random generation one number in span [0,1] is if the number of described random generation greater than the corresponding access probability of the current traffic load in residential quarter, is then refused the described user of access; Otherwise, permit the described user of access.
Wherein, described traffic load is uplink service load or downlink business load.
Wherein, when uplink and downlink are all permitted described user and accessed, access described user.
Wherein, all professional upstream rate summations that the uplink service of residential quarter load has been admitted by the residential quarter represent, all professional downstream rate summations that the downlink business load of residential quarter has been admitted by the residential quarter represent.
Wherein, the uplink service of residential quarter load represents by all users' that the residential quarter has been admitted received power summation, and the downlink business load of residential quarter represents by all users' that the residential quarter has been admitted transmitted power summation.
Wherein, the load ratio value representation of the maximum transmission rate that all professional downstream rate summations of having admitted by the residential quarter and residential quarter can provide of the ratio value representation of the maximum receiving velocity that all professional upstream rate summations that the uplink service of residential quarter load has been admitted by the residential quarter and residential quarter can provide, the downlink business of residential quarter.
Wherein, the uplink service of residential quarter load is by the ratio value representation of all users' that the residential quarter has been admitted received power summation with receiver Gaussian noise, the ratio value representation of the maximum transmit power that the transmitted power summation of the downlink business load of residential quarter by all users that the residential quarter has been admitted and residential quarter can provide.
Based on said method, the present invention also provides a kind of device of the user's of judgement access, is applied to network and surveys, and is arranged on the base station, comprising:
The traffic load determining unit is used for adopting the periodically traffic load of mode calculation plot, or, with the traffic load of triggering mode calculation plot; When trigger condition is that business in the residential quarter increases or when removing, triggers described network side and recomputate and determine the traffic load that the residential quarter is current; When trigger condition is when having the user to leave in the residential quarter, triggers described network side and recomputate and determine the traffic load that the residential quarter is current; When trigger condition when new user residential quarter to be accessed is arranged, trigger the current traffic load in Zone determination of power load residential quarter that described network side calculated according to the last time, described residential quarter is any one residential quarter under described base station covers;
The access probability determining unit is used for determining access probability corresponding to the current traffic load in residential quarter according to the corresponding relation that presets;
The access decision unit is used for the determined access probability of access probability determining unit described user's access being adjudicated.
Wherein, the traffic load determining unit is loaded as the current traffic load in residential quarter with the Zone of the last time calculating.
Wherein, the traffic load determining unit increases the traffic load increment on the basis of the Zone load that the last time calculates, to increase traffic load behind the increment as the current traffic load in residential quarter; Wherein, described traffic load increment is that the described user of access causes.
Wherein, divide separately the traffic load grade for the traffic load of residential quarter, the access probability of a correspondence is set for each traffic load grade, make the traffic load correspondence access probability separately that is in different brackets.
Wherein, the corresponding access probability of traffic load of each grade is set according to the traffic load degree, the traffic load degree is lighter, and the corresponding access probability of the traffic load of this grade is higher.
Wherein, also comprise:
The access probability adjustment unit for the traffic load situation of reception of neighboring cell, is adjusted the corresponding access probability of traffic load according to the traffic load situation of neighbor cell;
The traffic load of neighbor cell reduces, and then improves access probability corresponding to traffic load;
The traffic load of neighbor cell raises, and then reduces access probability corresponding to traffic load.
Wherein, the access decision unit is random in span [0,1] to generate a number, if the number of described random generation greater than the corresponding access probability of the current traffic load in residential quarter, is then refused the described user of access; Otherwise, permit the described user of access.
Wherein, described traffic load is uplink service load or downlink business load.
Wherein, also comprise:
The access performance element is used for adjudicating upper and lower provisional capital when permitting described user and accessing at the access decision unit, accesses described user.
Wherein, all professional upstream rate summations that the uplink service of residential quarter load has been admitted by the residential quarter represent, all professional downstream rate summations that the downlink business load of residential quarter has been admitted by the residential quarter represent.
Wherein, the uplink service of residential quarter load represents by all users' that the residential quarter has been admitted received power summation, and the downlink business load of residential quarter represents by all users' that the residential quarter has been admitted transmitted power summation.
Wherein, the load ratio value representation of the maximum transmission rate that all professional downstream rate summations of having admitted by the residential quarter and residential quarter can provide of the ratio value representation of the maximum receiving velocity that all professional upstream rate summations that the uplink service of residential quarter load has been admitted by the residential quarter and residential quarter can provide, the downlink business of residential quarter.
Wherein, the uplink service of residential quarter load is by the ratio value representation of all users' that the residential quarter has been admitted received power summation with receiver Gaussian noise, the ratio value representation of the maximum transmit power that the transmitted power summation of the downlink business load of residential quarter by all users that the residential quarter has been admitted and residential quarter can provide.
In the present invention, when the user wished to access the residential quarter, network side still will be determined first the traffic load that described residential quarter is current.But network side no longer determines whether accessing described user with a threshold value, but the traffic load current according to described residential quarter determined each self-corresponding access probability of described traffic load, then whether accesses described user with described access probability judgement.In the present invention, the traffic load situations different for the residential quarter can arrange respectively access probability, and the corresponding access probability of traffic load also can arrange neatly, thereby when network side accesses new user, for network side provides more governing factor.Therefore, with respect to existing user's access decision method, technical scheme provided by the invention more flexibly mode is adjudicated accessing mobile communication network for users.Especially for distributed network architecture, adopt the traffic load of all right balanced each residential quarter of technical scheme provided by the invention, reduce presence of intercell interference, improve power system capacity.
Description of drawings
Fig. 1 is the flow chart of the inventive method embodiment;
Fig. 2 is the schematic diagram of apparatus of the present invention embodiment;
Fig. 3 is another schematic diagram of apparatus of the present invention embodiment.
Embodiment
Basic thought of the present invention is, whether accesses new user or when professional in the network side judgement, for network side provides more governing factor, thereby make network side more flexibly mode adjudicate user's access.
For making those skilled in the art understand better the present invention, below in conjunction with embodiment more specifically method provided by the invention is specified.Fig. 1 is the flow chart of embodiment.
In step 11, adopt the uplink/downlink sub-carriers load of the mode calculation plot that triggers.
Business in can the residential quarter increases/removes as trigger condition, when the business in the residential quarter increase/trigger network stresses the traffic load of new calculation plot when removing;
User in also can the residential quarter leaves as trigger condition, and trigger network stresses the traffic load of new calculation plot when having the user to leave in the residential quarter;
Perhaps, directly access the residential quarter as trigger condition with new user, when having new user to wish to access the residential quarter, the current business of trigger network side calculation plot load.
At up direction, all the professional upstream rate summations that can utilize the residential quarter to admit represent the uplink service load condition of residential quarter.For example, suppose that the business of having admitted in the residential quarter has 3, the upstream rate that 3 business are asked is respectively the 100kbps(kilobits/second), 200kbps and 300kbps, then the uplink service of residential quarter load is 600kbps.
At up direction, also can utilize all users' that the residential quarter has been admitted received power summation to represent the uplink service load condition of residential quarter.For example, suppose that the user who has admitted in the residential quarter has 3,3 users' received power be respectively 0.1w(watt), 0.1w and 0.2w, then the uplink service of residential quarter load is 0.4w.
At down direction, correspondingly, all the professional downstream rate summations that can utilize the residential quarter to admit represent the downlink business load condition of residential quarter, perhaps utilize all users' that the residential quarter has been admitted transmitted power summation to represent the downlink business load condition of residential quarter.
In step 12, when having new user to wish to access the residential quarter, determine the uplink/downlink sub-carriers load that the residential quarter is current.
The uplink/downlink sub-carriers load that network side can the lastly calculate is as the current uplink/downlink sub-carriers load in residential quarter.Network side also can calculate first new user and access the uplink/downlink sub-carriers load increment that the residential quarter causes, then increase described uplink/downlink sub-carriers load increment on the basis of the uplink/downlink sub-carriers of the last time load result of calculation, with the uplink/downlink sub-carriers load of new acquisition as the current uplink/downlink sub-carriers load in residential quarter.
It is to be noted: if in step 11, access the residential quarter as trigger condition with new user, then when new user wishes to access the residential quarter, the cell uplink that network side calculates/downlink business load calculates for the last traffic load, and the cell uplink that this moment, network side calculated/downlink business load is exactly the current uplink/downlink sub-carriers load in residential quarter.
In step 13, determine access probability corresponding to uplink/downlink sub-carriers load that the residential quarter is current.
The uplink and downlink traffic load situation of residential quarter and the corresponding relation of access probability set in advance.When the corresponding relation of Zone load condition and access probability is set, at first divide separately the traffic load grade for the uplink and downlink traffic load of residential quarter, then the access probability of a correspondence is set for each traffic load grade.When all professional upstream rate summations of utilizing the residential quarter to admit represent the uplink service load condition of residential quarter, suppose that the maximum receiving velocity that the residential quarter can provide is 1200kbps, can be with receiving velocity (0kbps, 400kbps], (400kbps, 800kbps], (800kbps, 1200kbps) be set to 3 traffic load grades, can access probability 1,0.7,0 be set respectively for 3 traffic load grades.Suppose that the business of having admitted in the residential quarter has 3, the upstream rate that 3 business are asked is respectively 100kbps, 200kbps and 300kbps, and then the uplink service of residential quarter load is 600kbps, and this moment, corresponding access probability was 0.7.If have new user to wish to access the residential quarter this moment, then will carry out with 0.7 access probability this user's up access judgement.Suppose that the upstream rate that 3 business are asked is respectively 200kbps, 300kbps and 400kbps, then the uplink service of residential quarter load is 900kbps, and this moment, corresponding access probability was 0.If have new user to wish to access the residential quarter this moment, then refuse to access this user at up direction.Suppose that the upstream rate that 3 business are asked is respectively 100kbps, 100kbps and 100kbps, then the uplink service of residential quarter load is 300kbps, and this moment, corresponding access probability was 1.If have new user to wish to access the residential quarter this moment, then can directly obtain access at up direction and permit.
Correspondingly, when all professional downstream rate summations of utilizing the residential quarter to admit represent the downlink business load condition of residential quarter, suppose that the maximum transmission rate that the residential quarter can provide is 2000kbps, can be with transmission rate (0kbps, 800kbps], (800kbps, 1000kbps], (1000kbps, 1600kbps], (1600kbps, 2000kbps) be set to 4 traffic load grades, can access probability 1,0.9,0.5,0 be set respectively for 4 traffic load grades.Suppose that the business of having admitted in the residential quarter has 3, the downstream rate that 3 business are asked is respectively 200kbps, 300kbps and 500kbps, and then the downlink business of residential quarter load is 1000kbps, and this moment, corresponding access probability was 0.9.If have new user to wish to access the residential quarter this moment, then will carry out with 0.9 access probability this user's descending access judgement.Suppose that the downstream rate that 3 business are asked is respectively 500kbps, 800kbps and 400kbps, then the downlink business of residential quarter load is 1700kbps, and this moment, corresponding access probability was 0.If have new user to wish to access the residential quarter this moment, then refuse to access this user at down direction.Suppose that the downstream rate that 3 business are asked is respectively 200kbps, 300kbps and 300kbps, then the downlink business of residential quarter load is 800kbps, and this moment, corresponding access probability was 1.If have new user to wish to access the residential quarter this moment, then can directly obtain access at down direction and permit.
When the reception that utilizes all users that the residential quarter has been admitted/when the transmitted power summation represents the up/down industry affair load condition of residential quarter, can the rest may be inferred, no longer repeat specification here.
Wherein, the setting that should be inversely proportional to of the traffic load grade access probability corresponding with it, that is, lower grade of traffic load, and access probability corresponding to this grade should be higher.
In step 14, with residential quarter access probability corresponding to current uplink/downlink sub-carriers load described user is adjudicated in the access of uplink/downlink direction.
Adoptable a kind of method is:
For up direction, the random number that generates in span [0,1] is if when the number of described random generation is loaded corresponding access probability greater than the current uplink service of residential quarter, then refuse to access described user at up direction; Otherwise, permit accessing described user at up direction.
For example, the current uplink service of the supposing the residential quarter corresponding access probability P=0.7 that loads, if in step 14 for the random several x=0.7 that generate of up direction, then permit accessing described user at up direction; If the random several x=0.8 that generate then refuse to access described user at up direction.
For down direction, the random number that generates in span [0,1] is if when the number of described random generation is loaded corresponding access probability greater than the current downlink business of residential quarter, then refuse to access described user at down direction; Otherwise, permit accessing described user at down direction.
When the uplink and downlink direction is all permitted described user and accessed, access described user.
In the above-described embodiments, network side adopts the traffic load of triggering mode calculation plot, the also traffic load of calculation plot periodically of network side when practical application.
In the above-described embodiments, with all professional up/down scanning frequency rate summations of actual measurement in the residential quarter, or the summation of the needed reception/transmitted power of all users of actual measurement, the traffic load situation of expression residential quarter.In actual applications, also can not adopt actual measured value and relative value after adopting normalization represents the traffic load situation of residential quarter.
The ratio value representation of the maximum reception/transmission rate that the up/down industry affair load condition of residential quarter can be provided by all professional up/down scanning frequency rate summations of having admitted in the residential quarter and this residential quarter.For example, suppose that the business of having admitted in the residential quarter has 3, the upstream rate that 3 business are asked is respectively 100kbps, 200kbps and 300kbps; The maximum receiving velocity that this residential quarter can provide is 1000kbps, and then the uplink service of residential quarter load is (100+200+300)/1000=0.6.
If the relative value after the employing normalization represents the traffic load situation of residential quarter, then when pressing the traffic load degree with the traffic load divided rank of residential quarter, also should correspondingly carry out normalization and process.
Suppose that the maximum receiving velocity that the residential quarter can provide is 1000kbps, can be with (0/1000,400/1000], (400/1000,800/1000], (800/1000,1000/1000), namely (0,0.4], (0.4,0.8], (0.8,1) be set to 3 traffic load grades.
In the above-described embodiments, know nothing for the information of other residential quarter each residential quarter.And for the mobile network of distributed structure/architecture, when running, may carry out a certain amount of information interaction between each residential quarter, and the information between a plurality of residential quarters of same NodeB under covering can be shared.In this case, a residential quarter can utilize the traffic load information of its neighbor cell, and auxiliary this residential quarter is carried out the user and accessed judgement.
For example, if the traffic load that its neighbor cell is learnt in residential quarter is heavier, then can reduce the corresponding access probability of each uplink/downlink sub-carriers load level of this residential quarter, to reduce as far as possible the phase mutual interference of minizone; On the contrary, if the traffic load that its neighbor cell is learnt in residential quarter is lighter, then can improve the corresponding access probability of each uplink/downlink sub-carriers load level of this residential quarter, utilize as much as possible system resource.Wherein, interactive service information on load periodically between each neighbor cell also can adopt trigger-type to carry out the mutual of traffic load information.
In addition, because bandwidth and the available resources of each residential quarter are not quite similar, therefore can pass through O﹠amp; The M(operation and maintenance) center arranges separately its traffic load grade according to the actual conditions of each residential quarter for each residential quarter, and corresponding access probability, and the parameter configuration of optimization can be determined by system emulation.
Based on said method, the present invention also provides a kind of device of the user's of judgement access, and Fig. 2 is the schematic diagram of this device, and this device comprises traffic load determining unit S21, access probability determining unit S22 and access decision unit S23.
Traffic load determining unit S21 can triggering mode or the uplink/downlink sub-carriers load of calculation plot periodically.
With the traffic load of triggering mode calculation plot the time, the business in can the residential quarter increases/removes as trigger condition, when the business in the residential quarter increase/trigger network stresses the traffic load of new calculation plot when removing;
User in also can the residential quarter leaves as trigger condition, and trigger network stresses the traffic load of new calculation plot when having the user to leave in the residential quarter;
Perhaps, directly access the residential quarter as trigger condition with new user, when having new user to wish to access the residential quarter, the current business of trigger network side calculation plot load.
At up direction, all the professional upstream rate summations that can utilize the residential quarter to admit represent the uplink service load condition of residential quarter, also can utilize all users' that the residential quarter has been admitted received power summation to represent the uplink service load condition of residential quarter.
At down direction, correspondingly, all the professional downstream rate summations that can utilize the residential quarter to admit represent the downlink business load condition of residential quarter, perhaps utilize all users' that the residential quarter has been admitted transmitted power summation to represent the downlink business load condition of residential quarter.
In actual applications, also can not adopt actual measured value and relative value after adopting normalization represents the traffic load situation of residential quarter.
The uplink service load than value representation residential quarter of the maximum receiving velocity that all the professional upstream rate summations that can admit by the residential quarter and residential quarter can provide, all professional downstream rate summations of having admitted by the residential quarter are loaded with the downlink business than value representation residential quarter of the maximum transmission rate that the residential quarter can provide.
Perhaps, the uplink service load than value representation residential quarter of received power summation with receiver Gaussian noise by all users that the residential quarter has been admitted, the downlink business than value representation residential quarter of the maximum transmit power that transmitted power summation and the residential quarter by all users that the residential quarter has been admitted can provide is loaded.
When having new user to wish to access the residential quarter, traffic load determining unit S21 will determine the uplink/downlink sub-carriers load that the residential quarter is current.Traffic load determining unit S21 can be the last traffic load result of calculation as the current uplink/downlink sub-carriers load in residential quarter, also can calculate first new user and access the uplink/downlink sub-carriers load increment that the residential quarter causes, then increase described uplink/downlink sub-carriers load increment on the basis of the uplink/downlink sub-carriers of the last time load result of calculation, and with the uplink/downlink sub-carriers load of new acquisition as the current uplink/downlink sub-carriers load in residential quarter.
It is to be noted: if traffic load determining unit S21 accesses the residential quarter as trigger condition with new user, then when new user wishes to access the residential quarter, the cell uplink that traffic load determining unit S21 calculates/downlink business load calculates for the last traffic load, and the cell uplink that this moment, traffic load determining unit S21 calculated/downlink business load is exactly the current uplink/downlink sub-carriers load in residential quarter.
After obtaining the current traffic load in residential quarter, the uplink/downlink sub-carriers load that access probability determining unit S22 will be current according to the residential quarter is determined corresponding access probability.
The uplink and downlink traffic load situation of residential quarter and the corresponding relation of access probability set in advance.When the corresponding relation of Zone load condition and access probability is set, at first be that up, the downlink business load of residential quarter divided separately the traffic load grade, then the access probability of a correspondence is set for each traffic load grade.
All the professional up/down scanning frequency rate summations that can utilize the residential quarter to admit represent the up/down industry affair load condition of residential quarter, also can utilize all users' that the residential quarter admitted reception/transmitted power summation to represent the up/down industry affair load condition of residential quarter.
Wherein, the setting that should be inversely proportional to of the traffic load grade access probability corresponding with it, that is, lower grade of traffic load, and access probability corresponding to this grade should be higher.
Access decision unit S23 will adjudicate in the access of uplink/downlink direction described user with residential quarter access probability corresponding to current uplink/downlink sub-carriers load.Access decision unit S23 can be in the uplink/downlink direction, in span [0,1] the random number that generates in is if when the number of described random generation is loaded corresponding access probability greater than the current uplink/downlink sub-carriers of residential quarter, then refuse to access described user in the uplink/downlink direction; Otherwise, permit accessing described user in the uplink/downlink direction.
Described device can also comprise an access performance element, and when access decision unit S23 judgement uplink and downlink direction is all permitted described user and accessed, the access performance element will be carried out described user's access.
In the above-described embodiments, know nothing for the information of other residential quarter each residential quarter.And for the mobile network of distributed structure/architecture, when running, may carry out a certain amount of information interaction between each residential quarter, and the information between a plurality of residential quarters of same NodeB under covering can be shared.In this case, a residential quarter can utilize the traffic load information of its neighbor cell, and auxiliary this residential quarter is carried out the user and accessed judgement.
At this moment, the device of control user access also should comprise an access probability adjustment unit, as shown in Figure 3.Access probability adjustment unit S31 can reception of neighboring cell the traffic load situation, and be adjusted at the corresponding access probability of each grade traffic load that arranges among the access probability determining unit S22 according to the traffic load situation of neighbor cell.When the traffic load of neighbor cell reduces, improve the corresponding access probability of each grade traffic load higher; When the traffic load of neighbor cell raises, reduce the corresponding access probability of each grade traffic load higher
Wherein, interactive service information on load periodically between each neighbor cell also can adopt trigger-type to carry out the mutual of traffic load information.
In addition, because bandwidth and the available resources of each residential quarter are not quite similar, therefore can pass through O﹠amp; The M(operation and maintenance) center arranges separately its traffic load grade according to the actual conditions of each residential quarter for each residential quarter, and corresponding access probability, and the parameter configuration of optimization can be determined by system emulation.
Those skilled in the art can understand, the various exemplary method step of describing in conjunction with the disclosed embodiments here and device unit all can electronic hardware, software or the combination of the two realize.In order to be clearly shown that the interchangeability between the hardware and software, above various exemplary steps and unit are all carried out generally description with its functional form.This functional be to realize or realize depending on specific application and the design constraint of whole system institute's time with software with hardware.Those skilled in the art can be for each specific application, realize in many ways described functional, but the result of this realization should not be construed as and on the contrary deviates from scope of the present invention.
Utilize general processor, digital signal processor (DSP), application-specific integrated circuit (ASIC) (ASIC), field programmable gate array (FPGA) or other programmable logical device, discrete gate or transistor logic, discrete hardware components or the combination in any among them, can realize or carry out the various exemplary unit of describing in conjunction with embodiment disclosed herein.General processor may be microprocessor, but in another kind of situation, this processor may be processor, controller, microcontroller or the state machine of any routine.Processor also may be implemented as the combination of computing equipment, for example, and the combination of DSP and microprocessor, multi-microprocessor, one or more microprocessor or any other this kind structure in conjunction with the DSP core.
In conjunction with the step of the described method of above-mentioned disclosed embodiment can directly be presented as hardware, the software module carried out by processor or the combination of these two.Software module may be present in the storage media of RAM memory, flash memory, ROM memory, eprom memory, eeprom memory, register, hard disk, mobile disk, CD-ROM or any other form well known in the art.The coupling of a kind of exemplary storage medium and processor, thereby so that processor can be from this storage media read message, and can be to this storage media write information.In replacing example, storage media is the part of processor.Processor and storage media may be present among the ASIC.This ASIC may be present in the subscriber station.Replace in the example at one, the discrete assembly that processor and storage media can be used as in the subscriber station exists.
By above-mentioned disclosed embodiment, can be so that those skilled in the art can realize or use the present invention.To those skilled in the art, the various modifications of these embodiment are apparent, and the general principles of definition here also can be applied to other embodiment on the basis that does not depart from the scope of the present invention with purport.Above-described embodiment only is preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (26)
1. a method of adjudicating user's access is characterized in that, is applied to network side, is carried out by the base station, comprising:
Adopt the periodically traffic load of mode calculation plot, or, with the traffic load of triggering mode calculation plot;
Wherein, when trigger condition is that business in the residential quarter increases or when removing, triggers described network side and recomputate and determine the traffic load that the residential quarter is current;
When trigger condition is when having the user to leave in the residential quarter, triggers described network side and recomputate and determine the traffic load that the residential quarter is current;
When trigger condition when new user residential quarter to be accessed is arranged, trigger the current traffic load in Zone determination of power load residential quarter that described network side calculated according to the last time, described residential quarter is any one residential quarter under described base station covers;
Determine access probability corresponding to the current traffic load in residential quarter according to the corresponding relation that presets;
With described access probability described user's access is adjudicated.
2. the method for claim 1 is characterized in that, loads as the current traffic load in residential quarter with the Zone that the last time calculates.
3. the method for claim 1 is characterized in that, the basis of the Zone load that calculates in the last time increases the traffic load increment, to increase traffic load behind the increment as the current traffic load in residential quarter; Wherein, described traffic load increment is that the described user of access causes.
4. the method for claim 1 is characterized in that, divides separately the traffic load grade for the traffic load of residential quarter, and the access probability of a correspondence is set for each traffic load grade, makes the traffic load correspondence access probability separately that is in different brackets.
5. method as claimed in claim 4 is characterized in that, the corresponding access probability of traffic load of each grade is set according to the traffic load degree, and the traffic load degree is lighter, and the corresponding access probability of the traffic load of this grade is higher.
6. the method for claim 1 is characterized in that, further comprises:
The traffic load situation of reception of neighboring cell is adjusted the corresponding access probability of traffic load according to the traffic load situation of neighbor cell;
The traffic load of neighbor cell reduces, and then improves access probability corresponding to traffic load;
The traffic load of neighbor cell raises, and then reduces access probability corresponding to traffic load.
7. the method for claim 1 is characterized in that, in the steps below user's access is adjudicated:
Random generation one number in span [0,1] is if the number of described random generation greater than the corresponding access probability of the current traffic load in residential quarter, is then refused the described user of access; Otherwise, permit the described user of access.
8. such as the described method of claim 1 to 7 any one, it is characterized in that, described traffic load is uplink service load or downlink business load.
9. method as claimed in claim 8 is characterized in that, when uplink and downlink are all permitted described user and accessed, accesses described user.
10. method as claimed in claim 8 is characterized in that, all professional upstream rate summations that the uplink service of residential quarter load has been admitted by the residential quarter represent, all professional downstream rate summations that the downlink business load of residential quarter has been admitted by the residential quarter represent.
11. method as claimed in claim 8, it is characterized in that, the uplink service of residential quarter load represents by all users' that the residential quarter has been admitted received power summation, and the downlink business load of residential quarter represents by all users' that the residential quarter has been admitted transmitted power summation.
12. method as claimed in claim 8, it is characterized in that, the load ratio value representation of the maximum transmission rate that all professional downstream rate summations of having admitted by the residential quarter and residential quarter can provide of the ratio value representation of the maximum receiving velocity that all professional upstream rate summations that the uplink service of residential quarter load has been admitted by the residential quarter and residential quarter can provide, the downlink business of residential quarter.
13. method as claimed in claim 8, it is characterized in that, the uplink service of residential quarter load is by the ratio value representation of all users' that the residential quarter has been admitted received power summation with receiver Gaussian noise, the ratio value representation of the maximum transmit power that the transmitted power summation of the downlink business load of residential quarter by all users that the residential quarter has been admitted and residential quarter can provide.
14. a device of adjudicating user's access is characterized in that, is applied to network side, is carried out by the base station, comprising:
The traffic load determining unit is used for adopting the periodically traffic load of mode calculation plot, or, with the traffic load of triggering mode calculation plot; When trigger condition is that business in the residential quarter increases or when removing, triggers described network side and recomputate and determine the traffic load that the residential quarter is current; When trigger condition is when having the user to leave in the residential quarter, triggers described network side and recomputate and determine the traffic load that the residential quarter is current; When trigger condition when new user residential quarter to be accessed is arranged, trigger the current traffic load in Zone determination of power load residential quarter that described network side calculated according to the last time; Described residential quarter is any one residential quarter under described base station covers;
The access probability determining unit is used for determining access probability corresponding to the current traffic load in residential quarter according to the corresponding relation that presets;
The access decision unit is used for the determined access probability of access probability determining unit described user's access being adjudicated.
15. device as claimed in claim 14 is characterized in that, the Zone that the traffic load determining unit was calculated with the last time is loaded as the current traffic load in residential quarter.
16. device as claimed in claim 14 is characterized in that, the traffic load determining unit increases the traffic load increment on the basis of the Zone load that the last time calculates, to increase traffic load behind the increment as the current traffic load in residential quarter; Wherein, described traffic load increment is that the described user of access causes.
17. device as claimed in claim 14 is characterized in that, divides separately the traffic load grade for the traffic load of residential quarter, and the access probability of a correspondence is set for each traffic load grade, makes the traffic load correspondence access probability separately that is in different brackets.
18. device as claimed in claim 17 is characterized in that, the corresponding access probability of traffic load of each grade is set according to the traffic load degree, the traffic load degree is lighter, and the corresponding access probability of the traffic load of this grade is higher.
19. device as claimed in claim 14 is characterized in that, also comprises:
The access probability adjustment unit for the traffic load situation of reception of neighboring cell, is adjusted the corresponding access probability of traffic load according to the traffic load situation of neighbor cell;
The traffic load of neighbor cell reduces, and then improves access probability corresponding to traffic load;
The traffic load of neighbor cell raises, and then reduces access probability corresponding to traffic load.
20. device as claimed in claim 14, it is characterized in that, the access decision unit is the random number that generates in span [0,1], if the number of described random generation is greater than the corresponding access probability of the current traffic load in residential quarter, then refusal accesses described user; Otherwise, permit the described user of access.
21. such as the described device of claim 14 to 20 any one, it is characterized in that, described traffic load is uplink service load or downlink business load.
22. device as claimed in claim 21 is characterized in that, also comprises:
The access performance element is used for adjudicating upper and lower provisional capital when permitting described user and accessing at the access decision unit, accesses described user.
23. device as claimed in claim 21, it is characterized in that, all professional upstream rate summations that the uplink service of residential quarter load has been admitted by the residential quarter represent, all professional downstream rate summations that the downlink business load of residential quarter has been admitted by the residential quarter represent.
24. device as claimed in claim 21, it is characterized in that, the uplink service of residential quarter load represents by all users' that the residential quarter has been admitted received power summation, and the downlink business load of residential quarter represents by all users' that the residential quarter has been admitted transmitted power summation.
25. device as claimed in claim 21, it is characterized in that, the load ratio value representation of the maximum transmission rate that all professional downstream rate summations of having admitted by the residential quarter and residential quarter can provide of the ratio value representation of the maximum receiving velocity that all professional upstream rate summations that the uplink service of residential quarter load has been admitted by the residential quarter and residential quarter can provide, the downlink business of residential quarter.
26. device as claimed in claim 21, it is characterized in that, the uplink service of residential quarter load is by the ratio value representation of all users' that the residential quarter has been admitted received power summation with receiver Gaussian noise, the ratio value representation of the maximum transmit power that the transmitted power summation of the downlink business load of residential quarter by all users that the residential quarter has been admitted and residential quarter can provide.
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| CN 200710099051 CN101304602B (en) | 2007-05-10 | 2007-05-10 | Method and device for adjudging user access |
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| CN 200710099051 CN101304602B (en) | 2007-05-10 | 2007-05-10 | Method and device for adjudging user access |
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| CN102404778B (en) * | 2010-09-16 | 2014-03-26 | 普天信息技术研究院有限公司 | Load estimation method |
| CN107371221B (en) * | 2017-09-22 | 2019-06-07 | Oppo广东移动通信有限公司 | Select method, apparatus, mobile terminal and the readable storage medium storing program for executing of network |
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| CN1805587A (en) * | 2004-12-22 | 2006-07-19 | 华为技术有限公司 | Access control method in mobile communication system |
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| CN1394019A (en) * | 2001-06-27 | 2003-01-29 | 华为技术有限公司 | Call permission control method for multi-speed CDMA mobile communication system |
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