CN108337632A - A kind of method, apparatus and base station for adjusting the access class of EAB disablings - Google Patents
A kind of method, apparatus and base station for adjusting the access class of EAB disablings Download PDFInfo
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- CN108337632A CN108337632A CN201710036360.0A CN201710036360A CN108337632A CN 108337632 A CN108337632 A CN 108337632A CN 201710036360 A CN201710036360 A CN 201710036360A CN 108337632 A CN108337632 A CN 108337632A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
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Abstract
The present invention provides a kind of method, apparatus for adjusting the access class of EAB disablings and base station, this method to include：A calculates filtered connection UE quantity according to the newest connection UE quantity monitored；B calculates the number percent of connection UE according to the filtered connection UE quantity；C is when the number percent meets predetermined regularization condition, according to the number percent, determines that disabling accesses class quantity；D accesses class quantity according to the disabling, determines the access class of EAB disablings.Scheme according to the present invention, can be by the quantity for connecting UE for determining that disabling accesses class quantity, and to adjust the access class of EAB disablings, the program is particularly suitable for the environment that a large amount of MTC UE are connected to network.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of method, apparatus for adjusting the access class of EAB disablings
The base station and.
Background technology
Due to there is more and more MTC (Machine Type Communication, machine type communication) UE (User
Equipment, user equipment) it is connected to network, therefore EAB (Extended Access Barring, extended access limitation) quilt
It defines to forbid the MTC UE with private access class (Access Class) by system information if necessary, to prevent to come from
The access of such MTC UE is attempted.
In the prior art, the access class forbidden by EAB is correspondingly usually adjusted by monitoring RACH processes, the program is suitable
For being used when RACH resource is network bottleneck.
Invention content
The object of the present invention is to provide a kind of method, apparatus for adjusting the access class of EAB disablings and base stations.
According to an aspect of the present invention, a kind of method for adjusting the access class of EAB disablings, this method packet are provided
It includes：
A calculates filtered connection UE quantity according to the newest connection UE quantity monitored；
B calculates the number percent of connection UE according to the filtered connection UE quantity；
C is when the number percent meets predetermined regularization condition, according to the number percent, determines that disabling accesses class
Quantity；
D accesses class quantity according to the disabling, determines the access class of EAB disablings.
According to another aspect of the present invention, a kind of device for adjusting the access class of EAB disablings, the dress are additionally provided
Set including：
First computing device, for according to the newest connection UE quantity monitored, calculating filtered connection UE quantity；
Second computing device, for according to the filtered connection UE quantity, calculating the number percent of connection UE；
First determining device, for when the number percent meets predetermined regularization condition, according to the quantity percentage
Than determining that disabling accesses class quantity；
Second determining device determines the access class of EAB disablings for accessing class quantity according to the disabling.
According to another aspect of the present invention, a kind of base station is additionally provided, which includes of the present invention for adjusting
The device of the access class of EAB disablings.
Compared with prior art, the present invention has the following advantages：Base station can disable the quantity for connecting UE for determining
Class quantity is accessed, to adjust the access class of EAB disablings.The program is particularly suitable for the ring that a large amount of MTC UE are connected to network
Border is attempted by limiting the connection from MTC UE, and can save more capacity is considered heavier than MTC UE to serve
Other UE wanted.
Description of the drawings
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, of the invention other
Feature, objects and advantages will become more apparent upon：
Fig. 1 is the flow diagram of the method for the access class for adjusting EAB disablings of one embodiment of the invention；
The number percent and disabling that Fig. 2 is the connection UE of an example of the present invention access the mapping relations between class quantity
Schematic diagram；
Fig. 3 is the structural schematic diagram of the device of the access class for adjusting EAB disablings of one embodiment of the invention.
Same or analogous reference numeral represents same or analogous component in attached drawing.
Specific implementation mode
Although exemplary embodiment can by way of example be shown in the accompanying drawings there are many modification and alternative forms
Some of which embodiment, and will be described in detail herein.It should be understood, however, that being not intended to show
Example property embodiment is restricted to disclosed concrete form, on the contrary, exemplary embodiment intention covers the model fallen in claims
Enclose interior all modifications, equivalent scheme and alternative.Identical reference numeral refers to identical always in the description of each width figure
Unit.
It should be mentioned that some exemplary embodiments are described as before exemplary embodiment is discussed in greater detail
The processing described as flow chart or method.Although operations are described as the processing of sequence by flow chart, therein to be permitted
Multioperation can be implemented concurrently, concomitantly or simultaneously.In addition, the sequence of operations can be rearranged.When it
The processing can be terminated when operation completion, it is also possible to the additional step being not included in attached drawing.The processing
It can correspond to method, function, regulation, subroutine, subprogram etc..
Term " wireless device " used herein above or " equipment " can be considered as synonymous with the following terms and later
In can be referred to as the following terms sometimes：It is client, user equipment, movement station, mobile subscriber, mobile terminal, subscriber, user, remote
Journey station, access terminal, receiver, mobile unit etc., and the long-range of radio resource in cordless communication network can be described
User.
Similarly, term " base station " used herein above can be considered as synonymous with the following terms and below sometimes
It can be referred to as the following terms：B node, evolved B node, eNodeB, base transceiver stations (BTS), RNC etc., and can be with
Description is communicated with mobile terminal in the cordless communication network that can cross over multiple technology generations and provided radio resource
Transceiver.Other than implementing the ability of method discussed herein, base station discussed herein can have and traditional crowd
The associated institute in well known base station is functional.
Method (some of them are illustrated by flow) discussed hereafter can be by hardware, software, firmware, centre
Part, microcode, hardware description language or its arbitrary combination are implemented.Implement when with software, firmware, middleware or microcode
When, program code or code segment to implement necessary task can be stored in machine or computer-readable medium and (for example deposit
Storage media) in.(one or more) processor can implement necessary task.
Specific structure and function details disclosed herein are only representative, and are for describing the present invention show
The purpose of example property embodiment.But the present invention can be implemented by many alternative forms, and be not interpreted as
It is limited only by the embodiments set forth herein.
Although it should be understood that may have been used term " first ", " second " etc. herein to describe each unit,
But these units should not be limited by these terms.The use of these items is only for by a unit and another unit
It distinguishes.For example, without departing substantially from the range of exemplary embodiment, it is single that first unit can be referred to as second
Member, and similarly second unit can be referred to as first unit.Term "and/or" used herein above include one of them or
The arbitrary and all combination of more listed associated items.
It should be understood that when a unit is referred to as " connecting " or when " coupled " to another unit, can directly connect
Another unit is connect or be coupled to, or may exist temporary location.In contrast, when a unit is referred to as " directly connecting
Connect " or " direct-coupling " arrive another unit when, then be not present temporary location.It should explain in a comparable manner and be used to retouch
State the relationship between unit other words (such as " between being in ... " compared to " between being directly in ... ", " and with ... it is adjacent
Closely " compared to " with ... be directly adjacent to " etc.).
Term used herein above is not intended to limit exemplary embodiment just for the sake of description specific embodiment.Unless
Context clearly refers else, otherwise singulative used herein above "one", " one " also attempt to include plural number.Also answer
When understanding, term " include " and or " include " used herein above provide stated feature, integer, step, operation,
The presence of unit and/or component, and do not preclude the presence or addition of other one or more features, integer, step, operation, unit,
Component and/or a combination thereof.
It should further be mentioned that in some replace implementations, the function action being previously mentioned can be according to different from attached
The sequence indicated in figure occurs.For example, involved function action is depended on, the two width figures shown in succession actually may be used
Substantially simultaneously to execute or can execute in a reverse order sometimes.
Unless otherwise defined, otherwise all terms (including technical and scientific term) used herein all have with it is exemplary
The identical meaning that technical staff in embodiment fields is generally understood.It is to be further understood that unless herein by
It explicitly defines, otherwise for example term should be construed as having to it in related neck those of defined in usually used dictionary
The consistent meaning of meaning in the context in domain, without should be explained according to Utopian or too formal meaning.
The some parts of exemplary embodiment and corresponding detailed description are by software in computer storage or calculation
Method and the symbolic indication of the operation of data bit is provided.These descriptions and expression be those skilled in the art to
The description and expression of its work essence are effectively conveyed to others skilled in the art.As being typically used it,
Term " algorithm " used herein above is envisaged as obtaining the self-congruent sequence of steps of desired result.The step is
It needs to carry out those of physical manipulation step to physical magnitude.Usually rather than it is necessary that these quantity take can be stored,
The form of the optics, electric or magnetic signal that transmit, combine, compare and be manipulated otherwise.Primarily for usual
The reason of use, it has proved that be sometimes just these signals as bits, numerical value, element, symbol, character, item, number etc.
Profit.
By the symbol with reference to action and the operation that may be implemented as program module or function treatment in description below
Number indicate (such as in a flowchart) to describe illustrative embodiment, described program module or function treatment include implement it is special
Determine task or implement the routine of particular abstract data type, program, object, component, data structure etc., and can utilize
Existing hardware at existing network unit is implemented.Such existing hardware may include one or more central processing unit
(CPU), digital signal processor (DSP), application-specific integrated circuit, field programmable gate array (FPGA) computer etc..
But it would be recognized that all these and similar terms should be associated with physical magnitude appropriate, and
It is only the facility label for being applied to these quantity.Unless clearly Stated otherwise or from discussion, it is apparent that
Otherwise such as terms such as " processing ", " calculating ", " determination " or " display " refer to that computer system or the calculating of similar electronics are set
Standby action and processing, to physics, the electron amount being represented as in the register and memory of the computer system
Data are manipulated, and be converted into be similarly represented as the computer system memory or register or other
Other data of this type of information storage, transmission or the physical magnitude in display equipment.
It should further be mentioned that being typically encoded in some form of program in terms of the software implementation of exemplary embodiment
Implement on storage medium or by certain type of transmission medium.Described program storage medium can be magnetic (such as soft
Disk or hard disk drive) or optics (such as aacompactadisk read onlyamemory or " CD ROM ") storage medium, and can be read-only
Or random-access storage medium.Similarly, the transmission medium can be twisted-pair feeder, coaxial cable, optical fiber or in the art
Certain known other transmission medium appropriate.The exemplary embodiment not limit in terms of by these of any given realization method
System.
Processor and memory can carry out running gear function with a biconditional operation.For example, memory can store about
The code segment of apparatus function.The code segment can be executed again by processor.In addition, memory can store processing variable and often
Number device for processing uses.
Present invention is further described in detail below in conjunction with the accompanying drawings.
Fig. 1 is the flow diagram of the method for the access class for adjusting EAB disablings of one embodiment of the invention.
The method of the present embodiment includes step S1, step S2, step S3 and step S4.
In step sl, base station calculates filtered connection UE quantity according to the newest connection UE quantity for monitoring and obtaining.
Preferably, base station periodically monitors it and connects UE quantity.Wherein, connection UE quantity refers to being connected to the UE of base station
Quantity.
Specifically, base station can be used various ways and calculate filtered connection according to the newest obtained connection UE quantity that monitors
UE quantity, as various filtering modes in the prior art can be used come the connection UE quantity obtained according to newest monitoring, meter in base station
Calculate filtered connection UE quantity, wherein the parameter considered in different filtering modes may be different.
As a preferred embodiment, base station is according to the newest connection UE quantity monitored, and is calculated based on following formula
Filtered connection UE quantity Fn：
Fn=(1-a) * Fn-1+a*Nn
Wherein, Fn-1Indicate the filtering of the previous filtered connection UE quantity namely base station side current cache being calculated
Connection UE quantity afterwards；NnIndicate that the newest connection UE quantity monitored, a=1/2 (k/4), k indicate filter factor.It needs
Bright, F is calculated in base stationnAfterwards, it can will cache by Fn-1It is updated to Fn, to be used to calculate filtering when adjusting access class next time
Connection UE quantity afterwards.
It should be noted that above-mentioned calculating FnFormula be only for example rather than limitation of the present invention, people in the art
Member is it will be understood that base station also can be according to pre-defined other linearly or nonlinearly function (such as above-mentioned calculating ACnFormula letter
Monotropic shape), to calculate filtered connection UE quantity according to the newest connection UE quantity monitored.
It should be noted that the above-mentioned examples are merely illustrative of the technical solutions of the present invention, rather than to the limit of the present invention
System, it should be appreciated by those skilled in the art that it is any according to the newest connection UE quantity for monitoring and obtaining, calculate filtered connection UE
The realization method of quantity, should be included in the scope of the present invention.
In step s 2, base station calculates the number percent of connection UE according to filtered connection UE quantity.
Wherein, the number percent of the connection UE indicates that filtered connection UE quantity is connect with the maximum that base station allows
The percentage of UE quantity.
Specifically, base station calculates the number percent of connection UE based on following formula：
Pn=Fn/Nmax* 100%
Wherein, PnIndicate the number percent of connection UE, FnIndicate filtered connection UE quantity, NmaxIndicate that base station allows
Maximum connection UE quantity.
In step s3, when the number percent meets predetermined regularization condition, base station according to the number percent,
Determine that disabling accesses class quantity.
Wherein, the predetermined regularization condition includes any scheduled condition for triggering adjustment operation, such as quantity percentage
Than in the previous number percent being calculated, compared to changing, for another example, the range that number percent is fallen into changes
Deng.
Wherein, the disabling accesses the quantity that class quantity refers to the access class of EAB disablings.
Wherein, number percent of the various ways according to connection UE can be used in base station, determines that disabling accesses class quantity.
For example, pre-setting disabling corresponding to different percentage ranges in base station accesses class quantity, then when calculating
To percentage meet predetermined regularization condition when, base station determines the percentage model that the number percent that is calculated is fallen into first
It encloses, base station obtains the disabling corresponding to the percentage range fallen into and accesses class quantity later.
In another example base station is based on pre-defined linearly or nonlinearly function, according to the number percent meter of connection UE
It calculates disabling and accesses class quantity.
As a preferred embodiment, base station determines that disabling accesses the operation of class quantity according to the number percent of connection UE
Including：
I) when the number percent is more than or equal to predetermined end point percentage, using predetermined end point quantity as the disabling
Access class quantity.For example, predetermined end point percentage PendIt is 80%, predetermined end point quantity ACendIt is 8, in step s 2, base station meter
It calculates and obtains the number percent P of connection UEnIt is 85%, because of Pn>=Pend, then disable and access class quantity ACn=ACend。
Ii) when the number percent is less than predetermined starting point percentage, it is zero to determine that the disabling accesses class quantity.Example
Such as, predetermined starting point percentage PbeginIt is 40%, in step s 2, the number percent P of connection UE is calculated in base stationnFor
15%, because of Pn<Pbegin, then ACn=0.
Iii) when the number percent is more than or equal to predetermined starting point percentage and less than predetermined end point percentage, according to
The number percent and predetermined end point percentage, predetermined starting point percentage, predetermined end point quantity, predetermined starting point quantity are come
It calculates disabling and accesses class quantity.
Preferably, base station is according to the number percent and predetermined end point percentage, predetermined starting point percentage, predetermined
Endpoint quantity, predetermined starting point quantity, and it is based on following formula, access class quantity to calculate disabling：
ACn=ACb+Rounddown[(Pn-Pb)/(Pe-Pb)*(ACe-ACb)/ACs]*ACs
Wherein, ACnIndicate that disabling accesses class quantity, ACbIndicate predetermined starting point quantity, ACeIndicate predetermined end point quantity, Pb
Indicate predetermined starting point percentage, PeIndicate predetermined end point percentage, PnIndicate the number percent of connection UE, ACsIndicate scheduled
The minimum number of class adjustment is accessed, Rounddown functions are used for downward rounding.
It should be noted that in different application scenarios, ACb、ACe、Pb、Pe、ACsIt can be adjusted, to obtain PnWith ACn
Between different mappings.
It should be noted that the present invention is it has furthermore been found that be based on the preferred embodiment, when the number percent of connection UE is on side
When boundary nearby changes, larger fluctuation may occur therewith for the disabling access class quantity being correspondingly calculated.For example, based on should
Preferred embodiment, when number percent is more than or equal to 60% and is less than 70%, the disabling access class quantity being calculated is 4, when
When number percent is more than or equal to 70% and less than 80%, the disabling access class quantity being calculated is 6, then when quantity percentage
When than changing near at boundary 70%, the disabling that is calculated therewith accesses class quantity may carry out echo between 4 and 6
Dynamic, it is 4 that corresponding disabling, which accesses class quantity, when such as number percent being 69.5%, and number percent variation corresponds to when being 70.2%
Disabling access class quantity be 6, number percent change again after 69.8 when disabling access class quantity become 4 again so that
Number percent may cause the larger fluctuation of disabling access class quantity when small change occurs near border.In order to solve this
Problem, this preferred embodiment further comprise：
Work as ACn<ACn-1And Pn>=Pb-PhWhen, the disabling is recalculated based on following formula accesses class quantity：
ACn=ACb+Rounddown[(Pn-Pb+Ph)/(Pe-Pb)*(ACe-ACb)/ACs]*ACs
Wherein, ACn-1Indicate that identified disabling accesses class quantity in previous adjustment namely the disabling of base station side caching is visited
Ask class quantity；PhIndicate predetermined lag percentage, it is preferable that PhIn [0, (Pe-Pb)*ACs/(ACe-ACb)] in range.It needs
Bright, base station, can be by the AC in caching in each adjustment operationn-1It is updated to finally determine in this adjustment operation
Disabling accesses class quantity.
The operation that disabling accesses class quantity is recalculated by this, number percent can effectively be avoided to become near border
Disabling is caused to access class fluctuation when change.For example, the number percent that Fig. 2 is the connection UE of an example of the present invention is accessed with disabling
Mapping relations schematic diagram between class quantity, wherein abscissa indicates that the number percent of connection UE, ordinate indicate that disabling is visited
Ask class quantity；Wherein, it accesses mapping between class quantity disabling and shows as telling somebody what one's real intentions are when connecting the number percent rising of UE
Solid line in attached drawing, connect UE number percent decline when its disabling access class quantity between mapping show as telling somebody what one's real intentions are it is attached
Dotted line in figure, namely connect and be different with the when of decline corresponding mapping relations when the number percent of UE rises, this makes
Number percent will not cause disabling to access class fluctuation near border.
It should be noted that above-mentioned calculating ACnFormula be citing rather than limitation of the present invention, art technology
Personnel will be understood that when the number percent be more than or equal to predetermined starting point percentage and less than predetermined end point percentage when, base
Standing also can be according to pre-defined other linearly or nonlinearly function (such as above-mentioned calculating ACnFormula simple deformation), carry out root
According to the number percent and predetermined end point percentage, predetermined starting point percentage, predetermined end point quantity, predetermined starting point quantity,
Class quantity is accessed to calculate disabling.
It should be noted that the above-mentioned examples are merely illustrative of the technical solutions of the present invention, rather than to the limit of the present invention
System, it should be appreciated by those skilled in the art that it is any when the number percent meets predetermined regularization condition, according to the quantity
Percentage determines that disabling accesses the realization method of class quantity, should be included in the scope of the present invention.
In step s 4, base station accesses class quantity according to the disabling, determines the access class of EAB disablings.
Specifically, base station can be used various ways and access class quantity according to disabling, determine the access class of EAB disablings.
Alternatively, each possible disabling accessed corresponding to class quantity is pre-defined in base station to access
Class, then base station is based on identified disabling access class quantity, acquisition disabling access class corresponding with disabling access class quantity.
For example, being pre-defined in base station：Work as ACnWhen=2, corresponding access class is AC1, AC2；Work as ACnIt is corresponding when=3
It is AC3, AC4, AC5 to access class.In step s3, it is 2, then in step s 4, base station base that base station, which determines that disabling accesses class quantity,
Class quantity is accessed in the disabling, it is AC1, AC2 to determine that corresponding disabling accesses class.
As another optional mode, base station is random from multiple optional access classes based on identified access class quantity
Select the access class of EAB disablings.
For example, optional access class includes AC0~AC9, in step s3, it is 2 that base station, which determines that disabling accesses class quantity, then exists
In step S4, base station be based on the disabling access class quantity, be randomly chosen out from AC0~AC9 disabling access class be AC3,
AC8。
As another optional mode, base station accesses class quantity based on identified disabling, from multiple optional access classes
The periodically access class of sequential selection EAB disablings.Wherein, periodically sequential selection refers to according to each in optional access class
It accesses the sequence period of class and cyclically selects.
For example, optional access class includes AC0~AC9, then base station is based on identified access class quantity, from AC0~AC9
Periodically sequential selection EAB disabling access class, as the 1st time adjustment operation in determine disabling access class quantity be 2, then from
AC0, AC1 are selected in AC0~AC9, it is 4 that the disabling determined in the 2nd adjustment operation, which accesses class quantity, then all from AC0~AC9
Phase property ground sequential selection AC2, AC3, AC4, AC5, it is 6 that the disabling determined in the 3rd adjustment operation, which accesses class quantity, then from AC0
Periodically sequential selection AC6, AC7, AC8, AC9, AC0, AC1 in~AC9.
It should be noted that when only giving disabling access class quantity variation in above-mentioned example, from multiple optional access classes
In periodically sequential selection EAB disabling access class the case where, if but those skilled in the art will be understood that adjacent institute twice
Determining disabling accesses that class quantity is identical, still can periodically the access class of sequential selection EAB disablings the case where.For example,
In base station it is last determined by disabling to access class quantity be 2, and the disabling selected in AC0~AC9 access class be AC0,
AC1, if it is 2 that then disabling determined by this in base station, which accesses class quantity still, can from AC0~AC9 periodically sequential selection
AC2、AC3。
It should be further noted that preferably, identified disabling access class quantity in long-time can be worked as and do not become
When change (namely illustrating that the number percent variation for connecting UE is little), the periodically sequential selection from multiple optional access classes
The access class of EAB disablings.In the preferred embodiment, selection cycle can be same or different with monitoring cycle, such as monitor week
Phase is T, when identified disabling access class quantity does not change within the 2T times, from multiple optional access classes periodically
The access class (namely selection cycle is 2T) of ground sequential selection EAB disablings.
It should be noted that in order to avoid always forbidding private access class, it may be preferable that each selected access class is not
Same and revocable, so that each UE for accessing class gives the opportunity to attempt connection, such as preceding cycles sequential selection is visited
Ask that the mode of class makes each UE for accessing class have identical chance to attempt to connect.
It should be noted that the above-mentioned examples are merely illustrative of the technical solutions of the present invention, rather than to the limit of the present invention
System determines the reality of the access class of EAB disablings it should be appreciated by those skilled in the art that any access class quantity according to the disabling
Existing mode, should be included in the scope of the present invention.
It should be noted that after step s4, base station is broadcasted identified disabling by system information and accesses class.
It should be noted that preferably, base station is repeated periodically the operation for executing the present embodiment, periodically to adjust
The access class of EAB disablings.
In the prior art, the access class forbidden by EAB is correspondingly usually adjusted by monitoring RACH processes, the program is suitable
For being used when RACH resource is network bottleneck.And the connection UE quantity that base station is considered in the present invention is also to influence network
The key factor of capacity, and propose the new solution that the access class of EAB disablings is adjusted based on connection UE quantity.
According to the scheme of the present embodiment, base station can be by the quantity for connecting UE for determining that disabling accesses class quantity, to adjust
The access class of whole EAB disablings, the program are particularly suitable for the environment that a large amount of MTC UE are connected to network, are come from by limitation
The connection of MTC UE is attempted, and can save more capacity to serve is considered other UEs more prior than MTC UE.
Fig. 3 is the structural schematic diagram of the device of the access class for adjusting EAB disablings of one embodiment of the invention.The use
Include that the calculating of the first computing device 1, second fills in the device (hereinafter referred to as " adjusting apparatus ") of the access class of adjustment EAB disablings
Set the 2, first determining device 3 and the second determining device 4.
First computing device 1 calculates filtered connection UE quantity according to the newest connection UE quantity for monitoring and obtaining.
Preferably, base station periodically monitors it and connects UE quantity.Wherein, connection UE quantity refers to being connected to the UE of base station
Quantity.
Specifically, the first computing device 1 can be used various ways and calculate filter according to the newest obtained connection UE quantity that monitors
Connection UE quantity after wave, such as the first computing device 1 can be used various filtering modes in the prior art and comes according to newest monitoring
Obtained connection UE quantity calculates filtered connection UE quantity, wherein the parameter considered in different filtering modes may be
Different.
As a preferred embodiment, the first computing device 1 is according to the newest connection UE quantity monitored, and is based on following public affairs
Formula calculates filtered connection UE quantity Fn：
Fn=(1-a) * Fn-1+a*Nn
Wherein, Fn-1Indicate the filtering of the previous filtered connection UE quantity namely base station side current cache being calculated
Connection UE quantity afterwards；NnIndicate that the newest connection UE quantity monitored, a=1/2 (k/4), k indicate filter factor.It needs
Bright, F is calculated in base stationnAfterwards, it can will cache by Fn-1It is updated to Fn, to be used to calculate filtering when adjusting access class next time
Connection UE quantity afterwards.
It should be noted that above-mentioned calculating FnFormula be only for example rather than limitation of the present invention, people in the art
Member is it will be understood that the first computing device 1 also can be according to pre-defined other linearly or nonlinearly function (such as above-mentioned calculating ACn
Formula simple deformation), to calculate filtered connection UE quantity according to the newest connection UE quantity that monitors.
It should be noted that the above-mentioned examples are merely illustrative of the technical solutions of the present invention, rather than to the limit of the present invention
System, it should be appreciated by those skilled in the art that it is any according to the newest connection UE quantity for monitoring and obtaining, calculate filtered connection UE
The realization method of quantity, should be included in the scope of the present invention.
Second computing device 2 calculates the number percent of connection UE according to filtered connection UE quantity.
Wherein, the number percent of the connection UE indicates that filtered connection UE quantity is connect with the maximum that base station allows
The percentage of UE quantity.
Specifically, the second computing device 2 calculates the number percent of connection UE based on following formula：
Pn=Fn/Nmax* 100%
Wherein, PnIndicate the number percent of connection UE, FnIndicate filtered connection UE quantity, NmaxIndicate that base station allows
Maximum connection UE quantity.
When the number percent meets predetermined regularization condition, the first determining device 3 is according to the number percent, really
Fixed disabling accesses class quantity.
Wherein, the predetermined regularization condition includes any scheduled condition for triggering adjustment operation, such as quantity percentage
Than in the previous number percent being calculated, compared to changing, for another example, the range that number percent is fallen into changes
Deng.
Wherein, the disabling accesses the quantity that class quantity refers to the access class of EAB disablings.
Wherein, number percent of the various ways according to connection UE can be used in the first determining device 3, determines that disabling accesses
Class quantity.
For example, pre-setting disabling corresponding to different percentage ranges in base station accesses class quantity, then when calculating
To percentage meet predetermined regularization condition when, the first determining device 3 determines that the number percent that is calculated is fallen into first
Percentage range, later the first determining device 3 obtain the percentage range fallen into corresponding to disabling access class quantity.
In another example the first determining device 3 is based on pre-defined linearly or nonlinearly function, according to the quantity of connection UE
Percentage calculation disabling accesses class quantity.
As a preferred embodiment, the first determining device 3 determines that disabling accesses class number according to the number percent of connection UE
The operation of amount includes：
I) when the number percent is more than or equal to predetermined end point percentage, using predetermined end point quantity as the disabling
Access class quantity.For example, predetermined end point percentage PendIt is 80%, predetermined end point quantity ACendIt is 8, the second computing device 2 calculates
Obtain the number percent P of connection UEnIt is 85%, because of Pn>=Pend, then disable and access class quantity ACn=ACend。
Ii) when the number percent is less than predetermined starting point percentage, it is zero to determine that the disabling accesses class quantity.Example
Such as, predetermined starting point percentage PbeginIt is 40%, the number percent P of connection UE is calculated in the second computing device 2nIt is 15%,
Because of Pn<Pbegin, then ACn=0.
Iii) when the number percent is more than or equal to predetermined starting point percentage and less than predetermined end point percentage, according to
The number percent and predetermined end point percentage, predetermined starting point percentage, predetermined end point quantity, predetermined starting point quantity are come
It calculates disabling and accesses class quantity.
Preferably, the first determining device 3 is according to the number percent and predetermined end point percentage, predetermined starting point hundred
Point ratio, predetermined end point quantity, predetermined starting point quantity, and be based on following formula, come calculate disabling access class quantity：
ACn=ACb+Rounddown[(Pn-Pb)/(Pe-Pb)*(ACe-ACb)/ACs]*ACs
Wherein, ACnIndicate that disabling accesses class quantity, ACbIndicate predetermined starting point quantity, ACeIndicate predetermined end point quantity, Pb
Indicate predetermined starting point percentage, PeIndicate predetermined end point percentage, PnIndicate the number percent of connection UE, ACsIndicate scheduled
The minimum number of class adjustment is accessed, Rounddown functions are used for downward rounding.
It should be noted that in different application scenarios, ACb、ACe、Pb、Pe、ACsIt can be adjusted, to obtain PnWith ACn
Between different mappings.
It should be noted that the present invention is it has furthermore been found that be based on the preferred embodiment, when the number percent of connection UE is on side
When boundary nearby changes, larger fluctuation may occur therewith for the disabling access class quantity being correspondingly calculated.For example, based on should
Preferred embodiment, when number percent is more than or equal to 60% and is less than 70%, the disabling access class quantity being calculated is 4, when
When number percent is more than or equal to 70% and less than 80%, the disabling access class quantity being calculated is 6, then when quantity percentage
When than changing near at boundary 70%, the disabling that is calculated therewith accesses class quantity may carry out echo between 4 and 6
Dynamic, it is 4 that corresponding disabling, which accesses class quantity, when such as number percent being 69.5%, and number percent variation corresponds to when being 70.2%
Disabling access class quantity be 6, number percent change again after 69.8 when disabling access class quantity become 4 again so that
Number percent may cause the larger fluctuation of disabling access class quantity when small change occurs near border.In order to solve this
Problem, in this preferred embodiment, adjusting apparatus further comprises third computing device (not shown).
Work as ACn<ACn-1And Pn>=Pb-PhWhen, third computing device is recalculated the disabling based on following formula and visited
Ask class quantity：
ACn=ACb+Rounddown[(Pn-Pb+Ph)/(Pe-Pb)*(ACe-ACb)/ACs]*ACs
Wherein, ACn-1Indicate that identified disabling accesses class quantity in previous adjustment namely the disabling of base station side caching is visited
Ask class quantity；PhIndicate predetermined lag percentage, it is preferable that PhIn [0, (Pe-Pb)*ACs/(ACe-ACb)] in range.It needs
Bright, base station, can be by the AC in caching in each adjustment operationn-1It is updated to finally determine in this adjustment operation
Disabling accesses class quantity.
The operation that disabling accesses class quantity is recalculated by this, number percent can effectively be avoided to become near border
Disabling is caused to access class fluctuation when change.For example, the number percent that Fig. 2 is the connection UE of an example of the present invention is accessed with disabling
Mapping relations schematic diagram between class quantity；Wherein, connect itself and disabling when the number percent of UE rises access class quantity it
Between mapping show as telling somebody what one's real intentions are the solid line in attached drawing, connect when the number percent of UE declines it and access disabling between class quantity
Mapping show as telling somebody what one's real intentions are the dotted line in attached drawing, namely connect the mapping that when number percent of UE rises and the when of decline is corresponding and close
System is different, this makes number percent that disabling will not be caused to access class fluctuation near border.
It should be noted that above-mentioned calculating ACnFormula be citing rather than limitation of the present invention, art technology
Personnel will be understood that when the number percent be more than or equal to predetermined starting point percentage and less than predetermined end point percentage when,
It can be according to pre-defined other linearly or nonlinearly function (such as above-mentioned calculating ACnFormula simple deformation), according to institute
Number percent and predetermined end point percentage, predetermined starting point percentage, predetermined end point quantity, predetermined starting point quantity are stated, to count
It calculates disabling and accesses class quantity.
It should be noted that the above-mentioned examples are merely illustrative of the technical solutions of the present invention, rather than to the limit of the present invention
System, it should be appreciated by those skilled in the art that it is any when the number percent meets predetermined regularization condition, according to the quantity
Percentage determines that disabling accesses the realization method of class quantity, should be included in the scope of the present invention.
Second determining device 4 accesses class quantity according to the disabling, determines the access class of EAB disablings.
Specifically, the second determining device 4 can be used various ways and access class quantity according to disabling, determine the visit of EAB disablings
Ask class.
Alternatively, each possible disabling accessed corresponding to class quantity is pre-defined in base station to access
Class, then the second determining device 4 is based on identified disabling access class quantity, acquisition taboo corresponding with disabling access class quantity
With access class.
For example, being pre-defined in base station：Work as ACnWhen=2, corresponding access class is AC1, AC2；Work as ACnIt is corresponding when=3
It is AC3, AC4, AC5 to access class.It is 2 that first determining device 3 determination disabling, which accesses class quantity, then the second determining device 4 is based on being somebody's turn to do
Disabling accesses class quantity, and it is AC1, AC2 to determine that corresponding disabling accesses class.
As another optional mode, the second determining device 4 includes first selecting unit (not shown), the first choice list
Member is based on identified access class quantity, from multiple optional access classes for accessing random selection EAB disablings in class.
For example, optional access class includes AC0~AC9, it is 2 that the first determining device 3, which determines that disabling accesses class quantity, then first
Selecting unit is based on the disabling and accesses class quantity, and it is AC3, AC8 that disabling is randomly chosen out from AC0~AC9 and accesses class.
As another optional mode, the second determining device 4 includes the second selecting unit (not shown), and second selection is single
Member accesses class quantity based on identified disabling, the access that periodically sequential selection EAB is disabled from multiple optional access classes
Class.Wherein, periodically sequential selection refers to selecting according to each sequence period for accessing class in optional access class and cyclically.
For example, optional access class includes AC0~AC9, then the second selecting unit is based on identified access class quantity, from
Periodically the disabling of sequential selection EAB disablings accesses class in AC0~AC9, as the disabling determined in the 1st adjustment operation accesses
Class quantity is 2, then AC0, AC1 is selected from AC0~AC9, it is 4 that the disabling determined in the 2nd adjustment operation, which accesses class quantity, then
Periodically sequential selection AC2, AC3, AC4, AC5, the disabling determined in the 3rd adjustment operation access class number from AC0~AC9
Amount is 6, then periodically sequential selection AC6, AC7, AC8, AC9, AC0, AC1 from AC0~AC9.
It should be noted that when only giving disabling access class quantity variation in above-mentioned example, from multiple optional access classes
In periodically sequential selection EAB disabling access class the case where, if but those skilled in the art will be understood that adjacent institute twice
Determining disabling accesses that class quantity is identical, still can periodically the access class of sequential selection EAB disablings the case where.For example,
In base station it is last determined by disabling to access class quantity be 2, and the disabling selected in AC0~AC9 access class be AC0,
AC1, if it is 2 that then disabling determined by this in base station, which accesses class quantity still, can from AC0~AC9 periodically sequential selection
AC2、AC3。
It should be further noted that preferably, the second selecting unit can work as identified disabling in long-time and access class
When quantity does not change (namely illustrating that the number percent variation for connecting UE is little), from multiple optional access classes periodically
The access class of ground sequential selection EAB disablings.In the preferred embodiment, selection cycle can be identical or different from monitoring cycle
, if monitoring cycle is T, when identified disabling access class quantity does not change within the 2T times, from multiple optional visits
Ask the access class (namely selection cycle is 2T) of periodically sequential selection EAB disablings in class.
It should be noted that in order to avoid always forbidding private access class, it may be preferable that the second determining device 4 is selected every time
The access class selected is different and revocable, so that each UE for accessing class gives the opportunity to attempt connection, such as preceding cycles
Property sequential selection access class mode make it is each access class UE have identical chance to attempt to connect.
It should be noted that the above-mentioned examples are merely illustrative of the technical solutions of the present invention, rather than to the limit of the present invention
System determines the reality of the access class of EAB disablings it should be appreciated by those skilled in the art that any access class quantity according to the disabling
Existing mode, should be included in the scope of the present invention.
It should be noted that after the second determining device 4 executes operation, base station is determined by system information to broadcast
Disabling access class.
It should be noted that preferably, base station is repeated periodically the operation for executing the present embodiment, periodically to adjust
The access class of EAB disablings.
In the prior art, the access class forbidden by EAB is correspondingly usually adjusted by monitoring RACH processes, the program is suitable
For being used when RACH resource is network bottleneck.And the connection UE quantity that base station is considered in the present invention is also to influence network
The key factor of capacity, and propose the new solution that the access class of EAB disablings is adjusted based on connection UE quantity.
According to the scheme of the present embodiment, base station can be by the quantity for connecting UE for determining that disabling accesses class quantity, to adjust
The access class of whole EAB disablings, the program are particularly suitable for the environment that a large amount of MTC UE are connected to network, are come from by limitation
The connection of MTC UE is attempted, and can save more capacity to serve is considered other UEs more prior than MTC UE.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation includes within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.This
Outside, it is clear that one word of " comprising " is not excluded for other units or step, and odd number is not excluded for plural number.That is stated in system claims is multiple
Unit or device can also be realized by a unit or device by software or hardware.The first, the second equal words are used for table
Show title, and does not represent any particular order.
Claims (15)
1. a kind of method for adjusting the access class of EAB disablings, this method include：
A calculates filtered connection UE quantity according to the newest connection UE quantity monitored；
B calculates the number percent of connection UE according to the filtered connection UE quantity；
C is when the number percent meets predetermined regularization condition, according to the number percent, determines that disabling accesses class number
Amount；
D accesses class quantity according to the disabling, determines the access class of EAB disablings.
2. according to the method described in claim 1, wherein, the step a includes：
Filtered connection UE quantity F is calculated according to the newest connection UE quantity monitored, and based on following formulan：
Fn=(1-a) * Fn-1+a*Nn
Wherein, Fn-1Indicate the previous filtered connection UE quantity being calculated, NnIndicate the newest connection UE quantity monitored,
A=1/2(k/4), k expression filter factors.
3. according to the method described in claim 1, wherein, described according to the number percent, determining disabling accesses class quantity
Operation include：
When the number percent is more than or equal to predetermined end point percentage, class is accessed using predetermined end point quantity as the disabling
Quantity；
When the number percent is less than predetermined starting point percentage, it is zero to determine that the disabling accesses class quantity；
When the number percent is more than or equal to predetermined starting point percentage and is less than predetermined end point percentage, according to the quantity
Percentage and predetermined end point percentage, predetermined starting point percentage, predetermined end point quantity, predetermined starting point quantity, to calculate disabling
Access class quantity.
4. according to the method described in claim 3, wherein, it is described according to the number percent and predetermined end point percentage,
Predetermined starting point percentage, predetermined end point quantity, predetermined starting point quantity, the operation that class quantity is accessed to calculate disabling include：
According to the number percent and predetermined end point percentage, predetermined starting point percentage, predetermined end point quantity, make a reservation for
Point quantity, and it is based on following formula, access class quantity to calculate disabling：
ACn=ACb+Rounddown[(Pn-Pb)/(Pe-Pb)*(ACe-ACb)/ACs]*ACs
Wherein, ACnIndicate that disabling accesses class quantity, ACbIndicate predetermined starting point quantity, ACeIndicate predetermined end point quantity, PbIndicate pre-
Determine starting point percentage, PeIndicate predetermined end point percentage, PnIndicate the number percent of connection UE, ACsIndicate scheduled access class
The minimum number of adjustment, Rounddown functions are used for downward rounding.
5. according to the method described in claim 4, wherein, this method is further comprising the steps of：
Work as ACn<ACn-1And Pn>=Pb-PhWhen, the disabling is recalculated based on following formula accesses class quantity：
ACn=ACb+Rounddown[(Pn-Pb+Ph)/(Pe-Pb)*(ACe-ACb)/ACs]*ACs
Wherein, ACn-1Indicate that identified disabling accesses class quantity, P in previous adjustmenthIndicate predetermined lag percentage.
6. the method according to any one of claims 1 to 5, wherein, the step c includes：
Based on identified access class quantity, from multiple optional access classes for accessing random selection EAB disablings in class.
7. the method according to any one of claims 1 to 5, wherein, the step c includes：
Based on identified access class quantity, the access class that periodically sequential selection EAB is disabled from multiple optional access classes.
8. a kind of device for adjusting the access class of EAB disablings, the device include：
First computing device, for according to the newest connection UE quantity monitored, calculating filtered connection UE quantity；
Second computing device, for according to the filtered connection UE quantity, calculating the number percent of connection UE；
First determining device, for when the number percent meets predetermined regularization condition, according to the number percent, really
Fixed disabling accesses class quantity；
Second determining device determines the access class of EAB disablings for accessing class quantity according to the disabling.
9. device according to claim 8, wherein first computing device is used for：
Filtered connection UE quantity F is calculated according to the newest connection UE quantity monitored, and based on following formulan：
Fn=(1-a) * Fn-1+a*Nn
Wherein, Fn-1Indicate the previous filtered connection UE quantity being calculated, NnIndicate the newest connection UE quantity monitored,
A=1/2(k/4), k expression filter factors.
10. device according to claim 8, wherein it is described according to the number percent, determine that disabling accesses class quantity
Operation include：
When the number percent is more than or equal to predetermined end point percentage, class is accessed using predetermined end point quantity as the disabling
Quantity；
When the number percent is less than predetermined starting point percentage, it is zero to determine that the disabling accesses class quantity；
When the number percent is more than or equal to predetermined starting point percentage and is less than predetermined end point percentage, according to the quantity
Percentage and predetermined end point percentage, predetermined starting point percentage, predetermined end point quantity, predetermined starting point quantity, to calculate disabling
Access class quantity.
11. device according to claim 10, wherein described according to the number percent and predetermined end point percentage
Than, predetermined starting point percentage, predetermined end point quantity, predetermined starting point quantity, come calculate disabling access class quantity operation include：
According to the number percent and predetermined end point percentage, predetermined starting point percentage, predetermined end point quantity, make a reservation for
Point quantity, and it is based on following formula, access class quantity to calculate disabling：
ACn=ACb+Rounddown[(Pn-Pb)/(Pe-Pb)*(ACe-ACb)/ACs]*ACs
Wherein, ACnIndicate that disabling accesses class quantity, ACbIndicate predetermined starting point quantity, ACeIndicate predetermined end point quantity, PbIndicate pre-
Determine starting point percentage, PeIndicate predetermined end point percentage, PnIndicate the number percent of connection UE, ACsIndicate scheduled access class
The minimum number of adjustment, Rounddown functions are used for downward rounding.
12. according to the devices described in claim 11, wherein the device further includes：
Third computing device, for working as ACn<ACn-1And Pn>=Pb-PhWhen, the disabling is recalculated based on following formula visits
Ask class quantity：
ACn=ACb+Rounddown[(Pn-Pb+Ph)/(Pe-Pb)*(ACe-ACb)/ACs]*ACs
Wherein, ACn-1Indicate that identified disabling accesses class quantity, P in previous adjustmenthIndicate predetermined lag percentage.
13. the device according to any one of claim 8 to 12, wherein first determining device includes：
First selecting unit, for based on identified access class quantity, EAB disablings to be randomly choosed from multiple optional access classes
Access class.
14. the device according to any one of claim 8 to 12, wherein first determining device includes：
Second selecting unit, for based on identified access class quantity, periodically sequence to be selected from multiple optional access classes
Select the access class of EAB disablings.
15. a kind of base station includes the device as described in any one of claim 8 to 14.
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