CN103888991B - Wireless communication status acquisition methods, device and system - Google Patents
Wireless communication status acquisition methods, device and system Download PDFInfo
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- CN103888991B CN103888991B CN201210566586.9A CN201210566586A CN103888991B CN 103888991 B CN103888991 B CN 103888991B CN 201210566586 A CN201210566586 A CN 201210566586A CN 103888991 B CN103888991 B CN 103888991B
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Abstract
The invention discloses a kind of wireless communication status acquisition methods, device and system, it is related to radio network technique field.This method includes：Proportionate relationship between cell Time Slot Occupancy rate and cell downlink speed in current period is estimated according to the historical data of cell Time Slot Occupancy rate and cell downlink speed；Based on proportionate relationship between cell Time Slot Occupancy rate and cell downlink speed in current period, the current area downstream rate detected according to DPI calculates current area Time Slot Occupancy rate.The methods, devices and systems of the present invention combine the network state sensory perceptual system framework that existing network state information is originated, on the premise of wireless network functions of the equipments are not changed, real-time and accurately sensing network state is realized, the accuracy and real-time of network state perception is improved.
Description
Technical field
The present invention relates to radio network technique field, more particularly to a kind of wireless communication status acquisition methods, device and it is
System.
Background technology
Mobile communications network is in 3G（3rdGeneration, 3-G (Generation Three mobile communication system)）Epoch start to introduce based on stream
Policy Control mechanism.Employ after the policy control architecture, network possesses the ability that policy control is carried out to user and business.It is logical
Cross user and network service information formulates corresponding strategies, be that different user and service dynamic provide strategy, the corresponding carrying of configuration
Resource.Policy control can be based on user's signing strategy, charging policy or base based on upper-layer service application attribute, based on user
In roaming policy etc..By integrated treatment, these strategies can be achieved to customer service quality and charging policy control rule entity
Effectively management and implementation, is that Operator Specific Service management and control and raising Consumer's Experience bring benefit.
Existing PCC（Strategy and charging control）Technology mainly passes through user signing contract information, business information and roaming state
Network-based control strategy is determined etc. information.Referring to Fig. 1, PCRF（Strategy and control function）11 by with SPR（Subscriber policy number
According to）12 interactions obtain the related signing information of subscriber policy, and acquisition AF is interacted with Rx（Application function）The related information of 14 business,
The information such as roaming state, position time with reference to the network user can provide the user the carrying based on user's and based on business
Strategy.The PCEF/PDSN of gateway is handed down to by Gx interfaces（Policy control perform function）Entity 13 performs corresponding strategy.
But, current policy-source is essentially from core net and service layer, the virtual condition information of wireless network, base station
Situations such as load and disposal ability of cell, network was not perceived, and the strategy of core net and service layer is not comprehensively accurate,
It is the actual state for being not aware that wireless network that PCRF, which generates strategy, causes strategy under certain situation can not perform or execution efficiency
Low-down problem.For example, wireless network congestion, or wireless device disposal ability excess load, now should
Limitation user or business set up new carrying, or should at least reduce quality of service, but because PCRF can not obtain wireless network
Network information, also can not just make correct strategy, and the result for doing strategy can only can not perform or reduce network efficiency.
At present, there are a variety of method cognitive radio cell busy-idle conditions, the mode of network state gathered, mainly including wireless network
Network management information and use DPI in core network interface（Deep PacketInspection, deep-packet detection）Mode obtains wireless small
Zone state information：
（1）Network management data can provide a variety of wireless parameters, but can only provide in collection period（Usually one hour）'s
Average value.And device statistics, calculating need certain time, it is impossible to reflect the real-time status of wireless network.
（2）DPI data can be with fast reaction cell real-time traffic, but does not include wireless parameter, it is impossible to understand cell actual
Load condition.
Upgrading base station equipment function is proposed in correlation technique, it is reported wireless area state to core net in real time,
And the information is used for PCRF policy development.The program needs to transform a large amount of base station equipments, while it is non-standard to be related to different producer
Interface docks problem, and difficulty is larger.
The content of the invention
The inventors found that above-mentioned have problem in the prior art, and at least one be therefore directed in described problem
Individual problem proposes a kind of new technical scheme.
It is an object of the present invention to provide a kind of technical scheme obtained for wireless communication status.
According to the first aspect of the invention there is provided a kind of wireless communication status acquisition methods, including：Periodically from wireless network
Pipe gathers wireless communication status data, and the wireless communication status data include cell Time Slot Occupancy rate；Quasi real time collection depth
The cell downlink speed data that bag detection DPI is detected；According to the cell Time Slot Occupancy rate and the cell downlink speed
Proportionate relationship between cell Time Slot Occupancy rate and cell downlink speed in historical data estimation current period；Based on the current week
Proportionate relationship between cell Time Slot Occupancy rate and cell downlink speed in phase, the current area downstream rate detected according to DPI,
Calculate current area Time Slot Occupancy rate.
Alternatively, this method also includes：The current busy-idle condition of cell is determined according to the current area Time Slot Occupancy rate.
Alternatively, current period is estimated according to the historical data of the cell Time Slot Occupancy rate and the cell downlink speed
Proportionate relationship includes between interior cell Time Slot Occupancy rate and cell downlink speed：
Accounted for using exponential smoothing algorithm, support vector machines algorithm or ARIMA regression algorithms according to the cell time slot
With cell Time Slot Occupancy rate in the historical data of rate and cell downlink speed estimation current period and cell downlink speed it
Between proportionate relationship.
Alternatively, wireless communication status data are gathered from wireless webmaster with hour granularity period, with minute granularity quasi real time
The cell downlink speed data that collection DPI is detected.
Alternatively, wireless communication status data also include cell equivalent user number, preceding reverse flow.
Alternatively, using exponential smoothing algorithm according to the cell Time Slot Occupancy rate and the history of the cell downlink speed
Proportionate relationship ratio (n+1) is between cell Time Slot Occupancy rate and cell downlink speed in data estimation current period：
ratio(n+1)=α×ratio(n)+α×(1-α)×ratio(n-167)+(1-α)2×ratio(n-335)
Wherein, the proportionate relationship in ratio (n) previous cycles, the proportionate relationship of ratio (n-167) same times before one week,
The proportionate relationship of ratio (n-335) same times before two weeks, α is weight parameter, value（0,1）.
According to another aspect of the present invention there is provided a kind of wireless communication status acquisition device, including：Network management data obtains single
Member, for periodically gathering wireless communication status data from wireless webmaster, the wireless communication status data are accounted for including cell time slot
With rate；Downstream rate acquiring unit, the cell downlink speed data detected for quasi real time collection deep-packet detection DPI；Than
Example relation determination unit, for estimating current according to the historical data of the cell Time Slot Occupancy rate and the cell downlink speed
Proportionate relationship between cell Time Slot Occupancy rate and cell downlink speed in cycle；Time Slot Occupancy rate computing unit, for based on institute
State in current period proportionate relationship, the current area detected according to DPI between cell Time Slot Occupancy rate and cell downlink speed
Downstream rate, calculates current area Time Slot Occupancy rate.
Alternatively, the device also includes：Cell status determining unit, for true according to the current area Time Slot Occupancy rate
Determine the current busy-idle condition of cell.
Alternatively, proportionate relationship determining unit using exponential smoothing algorithm, SVM algorithm or ARIMA regression algorithms according to
The cell Time Slot Occupancy rate and the cell downlink speed historical data estimation current period in cell Time Slot Occupancy rate and
Proportionate relationship between cell downlink speed.
Alternatively, network management data acquiring unit gathers wireless communication status data with hour granularity period from wireless webmaster,
The cell downlink speed data that the downstream rate acquiring unit is detected with minute granularity quasi real time collection DPI.
Alternatively, proportionate relationship determining unit according to equation below according under the cell Time Slot Occupancy rate and the cell
Proportionate relationship ratio (n between cell Time Slot Occupancy rate and cell downlink speed in the historical data estimation current period of scanning frequency rate
+ 1) it is：
ratio(n+1)=α×ratio(n)+α×(1-α)×ratio(n-167)+(1-α)2×ratio(n-335)
Wherein, the proportionate relationship in ratio (n) previous cycles, the proportionate relationship of ratio (n-167) same times before one week,
The proportionate relationship of ratio (n-335) same times before two weeks, α is weight parameter, value（0,1）.
According to another aspect of the invention system, including above-mentioned wireless network are obtained there is provided a kind of wireless communication status
State acquisition device, and wireless webmaster, and block domain data collecting device；Wherein, the wireless network pipe is used to obtain wireless
Network status data；The block domain data collecting device is used for the cell downlink speed data that deep-packet detection DPI goes out.
An advantage of the present invention is that comprehensive wireless webmaster and DPI network status datas, are worked as based on historical data estimation
Corresponding relation between preceding data, so as to obtain current area Time Slot Occupancy rate, the mutual school of data according to current area downstream rate
Standard, on the premise of wireless network base station is not changed, reflects the busy-idle condition of wireless area in real time, exactly.
By referring to the drawings to the detailed description of the exemplary embodiment of the present invention, further feature of the invention and its
Advantage will be made apparent from.
Brief description of the drawings
The accompanying drawing for constituting a part for specification describes embodiments of the invention, and is used to solve together with the description
Release the principle of the present invention.
Referring to the drawings, according to following detailed description, the present invention can be more clearly understood from, wherein：
Fig. 1 shows PCC configuration diagrams.
Fig. 2 shows the flow chart of one embodiment of the wireless communication status acquisition methods according to the present invention.
Fig. 3 shows to obtain the structure chart of one embodiment of system according to the wireless communication status of the present invention.
Fig. 4 shows the flow chart of another embodiment of the wireless communication status acquisition methods according to the present invention.
Fig. 5 shows the structure chart of one embodiment of the network according to the invention state acquisition device.
Fig. 6 shows the structure chart of another embodiment of the network according to the invention state acquisition device.
Embodiment
The various exemplary embodiments of the present invention are described in detail now with reference to accompanying drawing.It should be noted that：Unless had in addition
Body illustrates that the part and the positioned opposite of step, numerical expression and numerical value otherwise illustrated in these embodiments does not limit this
The scope of invention.
Simultaneously, it should be appreciated that for the ease of description, the size of the various pieces shown in accompanying drawing is not according to reality
Proportionate relationship draw.
The description only actually at least one exemplary embodiment is illustrative below, never as to the present invention
And its any limitation applied or used.
It may be not discussed in detail for technology, method and apparatus known to person of ordinary skill in the relevant, but suitable
In the case of, the technology, method and apparatus should be considered as authorizing a part for specification.
In shown here and discussion all examples, any occurrence should be construed as merely exemplary, without
It is as limitation.Therefore, the other examples of exemplary embodiment can have different values.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it need not be further discussed in subsequent accompanying drawing in individual accompanying drawing.
Fig. 2 shows the flow chart of one embodiment of the wireless communication status acquisition methods according to the present invention.
As shown in Fig. 2 step 202, periodically gathers wireless communication status data, wireless communication status data from wireless webmaster
Such as including cell Time Slot Occupancy rate, cell equivalent user number, preceding reverse flow.The processing of as needed and wireless webmaster
Ability, collection period is hour granularity, for example, half an hour, one hour, one and a half hours etc..
Step 204, the cell downlink speed data that quasi real time collection DPI is detected.Block domain data collecting device with point
Clock granularity is the cycle, such as 5 minutes, 10 minutes, carries out data acquisition.
Step 206, cell in current period is estimated according to the historical data of cell Time Slot Occupancy rate and cell downlink speed
Proportionate relationship between Time Slot Occupancy rate and cell downlink speed.For example, using exponential smoothing algorithm, SVM（Support Vector
Machine, SVMs）Algorithm or ARIMA（Autoregressive Integrated Moving Average
Model, difference ARMA model）Regression algorithm carries out the estimation of proportionate relationship.
Step 208, based on proportionate relationship between cell Time Slot Occupancy rate and cell downlink speed in current period, according to
The current area downstream rate that DPI is detected, calculates current area Time Slot Occupancy rate.
In above-described embodiment, comprehensive wireless webmaster and DPI network status datas, based between historical data estimation current data
Corresponding relation, so as to obtain current area Time Slot Occupancy rate according to current area downstream rate, data mutual calibration do not changing
On the premise of dynamic wireless network base station, the busy-idle condition of wireless area is reflected in real time, exactly.
Fig. 3 shows to obtain the structure chart of one embodiment of system according to the wireless communication status of the present invention.Such as Fig. 3 institutes
Show, network state analytical equipment integrates block domain data collecting device（DPI）32 and wireless webmaster 33 provide network state number
According to analysis network state.
Wireless webmaster 33 is for example with hour granularity（Such as one hour）Exported for the cycle：Cell equivalent user number, preceding reverse flow
The status datas such as amount, average time slot occupancy.
Block domain data collecting device 32 is for example with minute granularity（Such as 5 minutes）Exported for the cycle：Respectively used in wireless area
Reverse data flow before family, cell downlink data rate=data traffic/timing statisticses, reflect before the cell reverse flow and
Speed.
Granularity gathers wireless network management data to network state analytical equipment 31 by the hour, is detected by minute granularity collection DPI
Cell downlink speed data.When determining " cell of current hour " using exponential smoothing algorithm according to above-mentioned two historical data
Corresponding relation between the cell downlink speed that gap occupancy and dpi are detected.According to above-mentioned relation, detected with dpi
Data on flows calculates real-time cell Time Slot Occupancy rate, judges the busy degree of cell.
In above-described embodiment, integrated correction is carried out with reference to multiple types data, the feelings of extra cell capacity data are not being needed
Condition, situations such as symbolizing wireless environment, customer location can accurately calculate the current Time Slot Occupancy rate of cell, accurately in real time
Characterize the busy-idle condition of wireless network.Scheme is changed to existing network and requires small, it is not necessary to which wireless base station device is upgraded, operability
By force.
Fig. 4 shows the flow chart of another embodiment of the wireless communication status acquisition methods according to the present invention.
As shown in figure 4, step 402, if the Time Slot Occupancy rate in preceding n hour network management data is slot_omc.From webmaster
The Time Slot Occupancy rate historical data of output（For example, exporting an average value per hour）It is stored in sequence slot_omc, slot_
Omc is the One-dimension Time Series that a length is n, and slot_omc (i) is the value of each sampled point in cell history data.
Step 404, the average discharge dataRate_dpi of n hour before calculating in DPI datas on flows.By DPI flow numbers
In, same cell n hourly averages flow histories data are stored in sequence dataRate_dpi, and length is n.
Step 406, n is arrived to historical data i=1, ratio (i) is calculated successively：
ratio(i)=slot_omc(i)/dataRate_dpi(i)；
Wherein, ratio sequence lengths are n.
Step 408, the ratio of current Time Slot Occupancy rate and flow is estimated using exponential smoothing algorithm：
ratio(n+1)=α×ratio(n)+α×(1-α)×ratio(n-167)+(1-α)2×ratio(n-335) (1)
Wherein, the ratio of ratio (n) previous hours, the ratio of ratio (n-167) same times before one week, ratio (n-
335) before two weeks the same time ratio, α is weight parameter, value (0,1)；
Step 410, the current downlink speed data dataRate detected using DPI × ratio (n+1) can calculate small
The approximate slot occupancy slot at area's current time.
Step 412, slot is judged whether>70%, if slot>70%, the cell is currently hurried, and is otherwise the spare time, exports cell
Current state（Step 414）.According to network O＆M practical experience, an evdo cell single frequency point maximum capacity speed
3.1mbps.But, because the average size of customer location and wireless environment only has 1.2mbps.When network traffics are more than
During 960kbps, the frequency is busy, based on experience value under average modulation algorithm, during 960kbps, and Time Slot Occupancy rate is 70% left
It is right.
Then, into next hour Posterior circle this process, exponential smoothing estimation is carried out to the ratio of this hour.
In above-described embodiment, it is proposed that calibrated based on historical data, the network status data of exponential smoothing algorithm, total score
Flow and method are analysed, by exponential smoothing algorithm, the ratio of current Time Slot Occupancy rate and flow is preferably estimated.
One important technology point of embodiment herein is according to the corresponding relation between historical data estimated data, then
According to the corresponding relation and current downlink speed data, current Time Slot Occupancy rate can be obtained quickly.Based on the present invention
Basic thought and with reference to the teaching of Fig. 4 embodiments, those skilled in the art be able to should realize using SVM algorithm or
ARIMA regression algorithms carry out the estimation of proportionate relationship.
Different length n can be selected according to the difference of algorithm, for example, n is typically not greater than 5 in Arima algorithms, referred to
Number smoothing algorithm selection n=3, and SVM algorithm n can be 7 or more.
Fig. 5 shows the structure chart of one embodiment of the network according to the invention state acquisition device.As shown in figure 5, should
Device includes：
Network management data acquiring unit 51, for periodically gathering wireless communication status data, wireless network shape from wireless webmaster
State data include cell Time Slot Occupancy rate；
Downstream rate acquiring unit 52, the cell downlink speed number detected for quasi real time collection deep-packet detection DPI
According to；
Proportionate relationship determining unit 53, for the history according to the cell Time Slot Occupancy rate and the cell downlink speed
Proportionate relationship between cell Time Slot Occupancy rate and cell downlink speed in data estimation current period；
Time Slot Occupancy rate computing unit 54, for based on cell Time Slot Occupancy rate in the current period and cell downlink speed
Proportionate relationship between rate, the current area downstream rate detected according to DPI calculates current area Time Slot Occupancy rate.
In one embodiment, proportionate relationship determining unit is returned using exponential smoothing algorithm, SVM algorithm or ARIMA
Algorithm according to the historical data of cell Time Slot Occupancy rate and cell downlink speed estimate current period in cell Time Slot Occupancy rate and
Proportionate relationship between cell downlink speed.In one embodiment, network management data acquiring unit with hour granularity period from wireless
Webmaster gathers wireless communication status data, the cell that downstream rate acquiring unit is detected with minute granularity quasi real time collection DPI
Downstream rate data.
In one embodiment, proportionate relationship determining unit is according to formula（1）According under cell Time Slot Occupancy rate and cell
Proportionate relationship ratio (n between cell Time Slot Occupancy rate and cell downlink speed in the historical data estimation current period of scanning frequency rate
+1)。
Fig. 6 shows the structure chart of another embodiment of the network according to the invention state acquisition device.As shown in fig. 6,
The device includes network management data acquiring unit 51, downstream rate acquiring unit 52, proportionate relationship determining unit 53, Time Slot Occupancy rate
Computing unit 54 and cell status determining unit 65.Wherein, cell status determining unit 65 is according to current area Time Slot Occupancy rate
Determine the current busy-idle condition of cell.For example, whether cell status determining unit 65 judges current area Time Slot Occupancy rate slot>
70%, if slot>70%, the cell is currently hurried, and is otherwise the spare time.
Scheme in the embodiment of the present invention, with reference to existing network state information source（Webmaster and DPI data acquisition equipments）
Network state sensory perceptual system framework, on the premise of wireless network functions of the equipments are not changed, realize real-time and accurately sensing network
State, improves the accuracy and real-time of network state perception.
So far, wireless communication status acquisition methods, system and the device according to the present invention is described in detail.In order to keep away
Exempt from the design of the masking present invention, do not describe some details known in the field.Those skilled in the art retouch according to above
State, completely it can be appreciated how implementing technical scheme disclosed herein.
The method and system of the present invention may be achieved in many ways.For example, can by software, hardware, firmware or
Software, hardware, firmware any combinations come realize the present invention method and system.The said sequence of the step of for methods described
Order described in detail above is not limited to merely to illustrate, the step of method of the invention, it is special unless otherwise
Do not mentionlet alone bright.In addition, in certain embodiments, the present invention can be also embodied as recording to program in the recording medium, these programs
Including the machine readable instructions for realizing the method according to the invention.Thus, the present invention also covering storage is used to perform basis
The recording medium of the program of the method for the present invention.
Although some specific embodiments of the present invention are described in detail by example, the skill of this area
Art personnel are it should be understood that above example is merely to illustrate, the scope being not intended to be limiting of the invention.The skill of this area
Art personnel to above example it should be understood that can modify without departing from the scope and spirit of the present invention.This hair
Bright scope is defined by the following claims.
Claims (12)
1. a kind of wireless communication status acquisition methods, it is characterised in that including：
Wireless communication status data periodically are gathered from wireless webmaster, the wireless communication status data include cell Time Slot Occupancy
Rate；
The cell downlink speed data that quasi real time collection deep-packet detection DPI is detected；
Cell time slot in current period is estimated according to the historical data of the cell Time Slot Occupancy rate and the cell downlink speed
Proportionate relationship between occupancy and cell downlink speed；
Based on proportionate relationship between cell Time Slot Occupancy rate and cell downlink speed in the current period, detected according to DPI
Current area downstream rate, calculate current area Time Slot Occupancy rate.
2. according to the method described in claim 1, it is characterised in that also include：
The current busy-idle condition of cell is determined according to the current area Time Slot Occupancy rate.
3. according to the method described in claim 1, it is characterised in that described according to the cell Time Slot Occupancy rate and the cell
Proportionate relationship includes between cell Time Slot Occupancy rate and cell downlink speed in the historical data estimation current period of downstream rate：
Using exponential smoothing algorithm, support vector machines algorithm or ARIMA regression algorithms according to the cell Time Slot Occupancy rate
And compare in the historical data estimation current period of the cell downlink speed between cell Time Slot Occupancy rate and cell downlink speed
Example relation.
4. method according to claim 3, it is characterised in that the use exponential smoothing algorithm is according to the cell time slot
Cell Time Slot Occupancy rate and cell downlink speed in the historical data estimation current period of occupancy and the cell downlink speed
Between proportionate relationship ratio (n+1) be：
Ratio (n+1)=α × ratio (n)+α × (1- α) × ratio (n-167)+(1- α)2×ratio(n-335)
Wherein, the proportionate relationship in ratio (n) previous cycles, the proportionate relationship of ratio (n-167) same times before one week,
The proportionate relationship of ratio (n-335) same times before two weeks, α is weight parameter, value (0,1).
5. according to the method described in claim 1, it is characterised in that wireless network is gathered from wireless webmaster with hour granularity period
Status data, the cell downlink speed data detected with minute granularity quasi real time collection DPI.
6. according to the method described in claim 1, it is characterised in that wireless communication status data effectiveness also including cell etc.
Amount, preceding reverse flow.
7. a kind of wireless communication status acquisition device, it is characterised in that including：
Network management data acquiring unit, for periodically gathering wireless communication status data, the wireless communication status from wireless webmaster
Data include cell Time Slot Occupancy rate；
Downstream rate acquiring unit, the cell downlink speed data detected for quasi real time collection deep-packet detection DPI；
Proportionate relationship determining unit, for being estimated according to the historical data of the cell Time Slot Occupancy rate and the cell downlink speed
Proportionate relationship between cell Time Slot Occupancy rate and cell downlink speed in calculation current period；
Time Slot Occupancy rate computing unit, for based in the current period between cell Time Slot Occupancy rate and cell downlink speed
Proportionate relationship, the current area downstream rate detected according to DPI calculates current area Time Slot Occupancy rate.
8. device according to claim 7, it is characterised in that also include：
Cell status determining unit, for determining the current busy-idle condition of cell according to the current area Time Slot Occupancy rate.
9. device according to claim 7, it is characterised in that the proportionate relationship determining unit is calculated using exponential smoothing
Method, SVM algorithm or ARIMA regression algorithms are according to the cell Time Slot Occupancy rate and the historical data of the cell downlink speed
Proportionate relationship between cell Time Slot Occupancy rate and cell downlink speed in estimation current period.
10. device according to claim 9, it is characterised in that the proportionate relationship determining unit is according to equation below root
According to cell Time Slot Occupancy rate in the historical data estimation current period of the cell Time Slot Occupancy rate and the cell downlink speed
Proportionate relationship ratio (n+1) is between cell downlink speed：
Ratio (n+1)=α × ratio (n)+α × (1- α) × ratio (n-167)+(1- α)2×ratio(n-335)
Wherein, the proportionate relationship in ratio (n) previous cycles, the proportionate relationship of ratio (n-167) same times before one week,
The proportionate relationship of ratio (n-335) same times before two weeks, α is weight parameter, value (0,1).
11. device according to claim 7, it is characterised in that the network management data acquiring unit is with hour granularity period
Wireless communication status data are gathered from wireless webmaster, the downstream rate acquiring unit is examined with minute granularity quasi real time collection DPI
The cell downlink speed data measured.
12. a kind of wireless communication status obtains system, it is characterised in that including as described in any one in claim 7 to 11
Wireless communication status acquisition device, and wireless webmaster, and block domain data collecting device；
Wherein, the wireless network pipe is used to obtain wireless communication status data；
The block domain data collecting device goes out cell downlink speed data for deep-packet detection DPI.
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