CN105636074A - Test environment construction method and device - Google Patents

Test environment construction method and device Download PDF

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Publication number
CN105636074A
CN105636074A CN201410623781.XA CN201410623781A CN105636074A CN 105636074 A CN105636074 A CN 105636074A CN 201410623781 A CN201410623781 A CN 201410623781A CN 105636074 A CN105636074 A CN 105636074A
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kpi
subregion
test environment
path loss
loss data
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CN105636074B (en
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杨晓义
窦建武
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Shanghai Zhongxing Software Co Ltd
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ZTE Corp
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Priority to PCT/CN2015/078707 priority patent/WO2016070600A1/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/06—Testing, supervising or monitoring using simulated traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The present invention provides a test environment construction method and device, wherein the method comprises the steps of obtaining a key performance indicator (KPI) of a communication network in which an external field test area is located and the line loss data obtained by a user equipment (UE) during an external field test process; according to the KPI and the line loss data, constructing a test environment in a test device. By adopting the above technical scheme provided by the present invention, the problem in the correlated technologies that the test environment is disjointed with an external field real environment is solved, and the test environment authenticity and the test result accuracy are improved greatly.

Description

The construction method of test environment and device
Technical field
The present invention relates to the communications field, in particular to construction method and the device of a kind of test environment.
Background technology
In the last few years, at moving communicating field, user is more and more higher to the requirement of radio communication quality, for the quality of testing communication system, improvement product algorithm, it is necessary in laboratory environments product is carried out strict performance test. Current each equipment vendor is for wireless communications products, have been developed for much testing equipment, these equipment are mostly with terminal unit (UserEquipment, referred to as UE) path loss data simulate the UE wireless environment in outfield and motor process as input quantity, and then trigger the Key Performance Indicator (KeyPerformanceIndicator of network, referred to as KPI) event, and each KPI index of real-time statistics in this process. After test terminates, by analyzing the KPI statistical indicator recorded, just the quality of the quality of product and algorithm can be estimated and improve.
For in correlation technique, the problem that in laboratory, the test result of test environment is excessive with outfield measured result difference, effective solution is not yet proposed.
Summary of the invention
In order to solve above-mentioned technical problem, the invention provides the construction method of a kind of test environment and device.
An aspect according to embodiments of the present invention, it is provided that the construction method of a kind of test environment, including: obtain the path loss data that the Key Performance Indicator KPI and terminal unit UE of place, field testing region communication network obtain in carrying out field testing process; According to described KPI and described path loss data construct test environment.
Preferably, also including according to before described KPI and described path loss data construct test environment: described field testing region is divided into some subregions, wherein, described subregion is made up of geographically adjacent path loss test point; For subregion each described, it can be used as an end points, and connect geographically adjacent described end points, constitute multiple path.
Preferably, include before described field testing region is divided into many sub regions: when subregion occurs that the region being not attached to lead to by multiple geography forms, the region that selection area is maximum in the plurality of region being not attached to and leading to is as described subregion, and abandons other regions extra-regional maximum except described area in the plurality of region being not attached to and leading to.
Preferably, described method also includes: forbid that described UE moves in other regions described in being dropped.
Preferably, include according to described KPI and described path loss data construct test environment: speculate the number of times producing described path in timing statistics section according to described KPI, and determine the movement locus of described UE according to described number of times; Test environment described in path loss data construct according to sampled point each on described movement locus.
Preferably, the generation number of times x of n paths in timing statistics section is calculated according to below equation1, x2����xn: a 11 x 1 + a 21 x 2 + . . . . . . + a n 1 x n = S 1 a 12 x 1 + a 22 x 2 + . . . . . + a x n = S 2 . . . . . . a 1 m x 1 + a 2 m x 2 + . . . . . . + a nm x n = S m x 1 , x 2 , . . . . . . x n ≥ 0 min f = x 1 + x 2 + . . . . . . + x n , Wherein, S1, S2����SmFor m switching class KPI respective value of the communication network at place, described field testing region, a11,a21..., aij... anmRespectively jth is switched the contribution margin of class KPI by the i-th paths, and wherein, i, j, m, n is natural number, x1, x2����xnFor nonnegative integer.
Preferably, described subregion meets the following conditions: when described UE moves in subregion, does not trigger switching class KPI index event; When described UE moves between subregion, trigger switching class KPI index event.
Another aspect according to embodiments of the present invention, additionally provide the construction device of a kind of test environment, including: acquisition module, for obtaining the path loss data that the Key Performance Indicator KPI and terminal unit UE of place, field testing region communication network obtain in carrying out field testing process; Build module, for according to described KPI and described path loss data construct test environment.
Preferably, described device also includes: divide module, and for described field testing region is divided into some subregions, wherein, described subregion is made up of geographically adjacent path loss test point; Link block, for for subregion each described, it can be used as an end points, and connect geographically adjacent described end points; Determine module, for the line of described end points is constituted multiple paths.
Preferably, described structure module includes: generation unit, for speculating the number of times producing described path in timing statistics section according to described KPI; Determine unit, for determining the movement locus of described UE according to described number of times; Construction unit, for test environment described in the path loss data construct according to sampled point each on described movement locus.
Pass through the present invention, the technical scheme of the path loss data construct test environment that employing obtains in carrying out field testing process according to the Key Performance Indicator KPI and terminal unit UE of place, field testing region communication network, solve in correlation technique, the problem that the simulation result of the test environment recorded in laboratory is excessive with outfield measured result difference, greatly improves the accuracy of test result.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, and the schematic description and description of the present invention is used for explaining the present invention, is not intended that inappropriate limitation of the present invention. In the accompanying drawings:
Fig. 1 is the flow chart of the construction method of test environment according to embodiments of the present invention;
Fig. 2 is subregion schematic diagram according to embodiments of the present invention;
Fig. 3 is the schematic diagram of relation between subregion according to embodiments of the present invention, end points, path;
Fig. 4 is the structured flowchart of the construction device of test environment according to embodiments of the present invention;
Fig. 5 is another structured flowchart of the construction device of test environment according to embodiments of the present invention;
Fig. 6 is path profile schematic diagram according to the preferred embodiment of the invention;
Fig. 7 is all UE movement locus figure according to embodiments of the present invention;
Fig. 8 is that the path loss in timing statistics section of certain UE according to embodiments of the present invention changes over schematic diagram.
Detailed description of the invention
Below with reference to accompanying drawing and describe the present invention in detail in conjunction with the embodiments. It should be noted that when not conflicting, the embodiment in the application and the feature in embodiment can be mutually combined.
Providing the construction method of a kind of test environment in the present embodiment, Fig. 1 is the flow chart of the construction method of test environment according to embodiments of the present invention, as it is shown in figure 1, this flow process comprises the steps:
Step S102, obtains the path loss data that the Key Performance Indicator KPI and terminal unit UE of place, field testing region communication network obtain in carrying out field testing process;
Step S104, according to above-mentioned KPI and above-mentioned path loss data construct test environment.
By each step above-mentioned, the technical scheme of the path loss data construct test environment that employing obtains in carrying out field testing process according to the Key Performance Indicator KPI and terminal unit UE of place, field testing region communication network, solve in correlation technique, the problem that the KPI result recorded in laboratory is excessive with outfield measured result difference, greatly improves the accuracy of test result.
In specific implementation process, it is possible to realize step S102 by procedure below: choose outfield, a place actual area as survey region; The KPI measured value of the studies above Local Area Network performance is extracted from the physical device of outfield; The overall path loss data of survey region are obtained by the mode of drive test or emulation.
In order to better realize the technical scheme of step S104, in embodiments of the present invention, can also carry out techniques below scheme before step S104: the studies above region is divided into some subregions, wherein, above-mentioned subregion is made up of the set of geographically adjacent path loss test point, for each above-mentioned subregion, it can be used as an end points, and connect geographically adjacent above-mentioned end points, constitute multiple path. if there is the situation that certain sub regions is made up of some scattered little " block " regions being not attached to lead to, for guaranteeing the connectedness within subregion, then should choose maximum one " block " region of area as this subregion, and abandon other " block ", as shown in Figure 2, Fig. 2 is subregion schematic diagram according to embodiments of the present invention, it should be noted that, UE can not move in these " blocks " being dropped, in brief, when being made up of multiple regions being geographically not attached to lead to occurs in subregion, the maximum region of area should be selected in above-mentioned multiple regions being not attached to lead to as above-mentioned subregion, and when generating UE movement locus, forbid that UE enters in the region being dropped.
It should be noted that the standard dividing subregion in step S104 is: when above-mentioned UE is when any one sub regions internal motion, switching class KPI index event will not be triggered; Carry out the transregional motion between subregion once above-mentioned UE, namely can trigger switching class KPI index event. According to UE motion institute across the attribute of two sub regions, it is possible to determine which KPI index event concrete triggering is.
After being divided into subregion, if being interpreted as an end points by abstract for each subregion, and two geographically adjacent end points line segments (are called " path ", i.e. route, for the contingent UE of the abstract representation track moved across subregion) it is connected, then obtain " figure " being made up of end point set and path collection, UE can move between subregion through each " path " in figure, as it is shown on figure 3, Fig. 3 is the schematic diagram of relation between subregion according to embodiments of the present invention, end points, path.
Alternatively, step S104 is achieved through the following technical solutions: speculates the number of times producing above-mentioned path in timing statistics section according to above-mentioned KPI, and determines the movement locus of above-mentioned UE according to above-mentioned number of times; The above-mentioned test environment of path loss data construct according to sampled point each on above-mentioned movement locus, it should be noted that, number of times according to above-mentioned path determines the method for concrete UE movement locus, can have multiple, the embodiment of the present invention is only enumerated a kind of method and is illustrated, and is not intended to limit the present invention embodiment.
The embodiment of the present invention further improvement is that technique scheme, in order to determine that above-mentioned each path produces the optimal solution of number of times, additionally provides techniques below scheme:
The generation number of times x of all n paths in timing statistics section is calculated according to below equation1, x2����xn:
a 11 x 1 + a 21 x 2 + . . . . . . + a n 1 x n = S 1 a 12 x 1 + a 22 x 2 + . . . . . + a x n = S 2 . . . . . . a 1 m x 1 + a 2 m x 2 + . . . . . . + a nm x n = S m x 1 , x 2 , . . . . . . x n ≥ 0 min f = x 1 + x 2 + . . . . . . + x n ,
Wherein, S1, S2����SmFor m in carrying out field testing process above-mentioned value corresponding for switching class KPI, a11,a21����aij, anmRespectively i-th paths contribution margin to jth KPI, i, j, m, n is natural number, x1, x2����xnFor integer.
In order to be more fully understood that the determination process of above-mentioned formula, if in whole survey region the number in above-mentioned path be n, all communities switching class KPI index outfield measured value be S1��Sm, then can according to certain routeiBeginning and end position residing for the attribute of subregion, calculate and obtain this routeiTo KPIjThe contribution margin a of indexij, as shown in following table one:
Table one
It should be noted that the route involved by table oneiTo KPIjThe contribution margin a of indexijSuitable in all examples of the embodiment of the present invention, table one position in embodiments of the present invention is not used to the scope that qualified list one is applied.
Further, if route in timing statistics section1,route2,��routenThe number of times occurred is x1,x2,��xn, then there is following equality condition according to table one:
a 11 x 1 + a 21 x 2 + . . . + a n 1 x n = S 1 a 12 x 1 + a 22 x 2 + . . . + a n 2 x n = S 2 . . . . . . a 1 m x 1 + a 2 m x 2 + . . . + a nm x n = S m
Physical significance according to path simultaneously, has boundary condition:
x1,x2,��xn��0��
In order to reduce hardware cost, test is often desirable to complete with as far as possible few UE the simulation of above-mentioned handoff procedure, and UE number and the route number of times x occurred1,x2,��xnPositive correlation, it is desirable to the total degree that route occurs is minimum, it may be assumed that minf=x1+x2+��+xn��
Therefore, it is determined that the problem of switching class KPI index generation area, it is converted into the linear programming problem solving Prescribed Properties:
Minf=x1+x2+��+xn
a 11 x 1 + a 21 x 2 + . . . + a n 1 x n = S 1 a 12 x 1 + a 22 x 2 + . . . + a n 2 x n = S 2 . . . . . . a 1 m x 1 + a 2 m x 2 + . . . + a nm x n = S m
x1,x2,��xn��0��
Try to achieve optimum nonnegative integer solution: X = [ x 1 * , x 2 * , . . . , x n * ] .
Adopting technique scheme, the number of times that in KPI timing statistics section, whether each route occurs and specifically occur just is determined, and the geographic area that namely switching class KPI index occurs is determined.
In order to more improve technique scheme, it is necessary to try to achieve on the basis of each route frequency optimal solution X, thus it is speculated that go out a kind of possible movement locus of outfield UE. Speculating that the method for UE movement locus can not uniquely, as long as can meet after UE completes to move along the movement locus that speculates, the number of times in the above-mentioned path of road warp is equal to the above-mentioned optimal solution X tried to achieve, and this is not construed as limiting by the embodiment of the present invention.
For the method being better understood from above-mentioned supposition UE movement locus, illustrate below in conjunction with a preferred embodiment:
If outfield KPI statistical interval is the time granularity in 15 minutes (minutes), emulation platforms is 1 second (s), when moment T=1s, according to the average UE number of each community in KPI index, and the route number X situation sent in all subregion, the initial value of the initial UE number in all subregion, position, speed and other relevant parameters is set.
Work as T=2s, 3s, 4s ... during 15minutes, each UE is sequentially carried out following steps:
Current whether on a route according to this UE, point following two situation:
If UE currently does random motion (namely UE is not on the route going to other subregions) in certain sub regions, then judge that it is currently located whether subregion has route to have not carried out, if it has, then this UE selects a route to move; Otherwise, this UE remains in this subregion and does random motion.
If UE is current on certain route, then judge whether this UE has walked to be over this route at current time, if it is, this UE transfers to does random motion in the subregion of its arrival; Otherwise move still along this route.
After T=15minutes above-mentioned steps terminates, also need to perform procedure below: checked whether that UE has been not carried out route, if it has, then these UE to reselect the parameter such as initial position, speed, again moved; Whether there is such subregion: the route sent by it is not yet performed, if it has, then to increase initial UE number in this subregion, to complete the route not being performed.
According to the UE movement locus obtained and test zone path loss data, the path loss data that each sampled point on track is corresponding can be checked in, make script data file (the benchmark test environment being namely built into) afterwards for test equipment.
Additionally providing the construction device of a kind of test environment in the present embodiment, this device is used for realizing above-described embodiment and preferred implementation, has be carried out repeating no more of explanation. As used below, term " module " can realize the software of predetermined function and/or the combination of hardware. Although the device described by following example preferably realizes with software, but hardware, or the realization of the combination of software and hardware is also likely to and is contemplated.
Fig. 4 is the structured flowchart of the construction device of test environment according to embodiments of the present invention, and as shown in Figure 4, this device includes:
Acquisition module 40, for obtaining the path loss data that the Key Performance Indicator KPI and terminal unit UE of place, field testing region communication network obtain in carrying out field testing process;
Build module 42, be connected with acquisition module 40, for according to above-mentioned KPI and above-mentioned path loss data construct test environment.
Comprehensive function by above-mentioned modules, the technical scheme of the path loss data construct test environment that employing obtains in carrying out field testing process according to the Key Performance Indicator KPI and terminal unit UE of place, field testing region communication network, solve in correlation technique, under the test environment built in a test device, the problem that the KPI result recorded is excessive with outfield measured value difference, greatly improves the accuracy of test result.
Alternatively, as it is shown in figure 5, said apparatus also includes: divide module 44, for above-mentioned field testing region is divided into some subregions, wherein, above-mentioned subregion is made up of geographically adjacent path loss test point; Link block 46, is connected with dividing module 44, for for each above-mentioned subregion, it can be used as an end points, and connect geographically adjacent above-mentioned end points; Determine module 48, be connected with link block 46, be used for the line of above-mentioned end points as multiple paths.
In an alternative embodiment of the embodiment of the present invention, build module 42 and include: generation unit 420, for speculating the number of times producing above-mentioned path in timing statistics section according to above-mentioned KPI; Determine unit 422, be connected with generation unit 420, for determining the movement locus of above-mentioned UE according to above-mentioned number of times; Construction unit 424, and determines that unit 422 is connected, for the above-mentioned test environment of path loss data construct according to sampled point each on above-mentioned movement locus.
In sum, construction method and the device of the test environment of the above-mentioned offer of the embodiment of the present invention can apply to global system for mobile communications (GlobalSystemforMobileCommunication, referred to as GSM) and UMTS (UniversalMobileTelecommunicationsSystem, referred to as UMTS), Long Term Evolution (LongTermEvolution, referred to as LTE) in system scenarios, in order to be better understood from the building process of above-mentioned test environment, hereinafter just illustrate in conjunction with three below preferred embodiment, but do not limit the embodiment of the present invention:
Preferred embodiment 1
UMTS system test environment builds
1, KPI and the path loss data of outfield actual measurement are obtained;
Such as: the region, 9 communities in somewhere can be chosen as survey region.
The path loss data of this area, it is possible to the mode surveyed by outfield is obtained. The path loss the data precision that actual measurement mode obtains is high, but cost is also significantly high. This preferred embodiment damages data with the whole networking that Aircom Software simulation calculation goes out and replaces measured data to study.
Can extracting the KPI statistical indicator of this area from the physical device of outfield, wherein, switching class KPI index includes 5:
(1) UE reports the number of times of 1D event;
(2) activating set updating adds community number of attempt, More Soft Handoff number of times;
(3) activating set updating adds community number of attempt, soft handover number of times;
(4) community activating set updating deletes community number of attempt, More Soft Handoff number of times;
(5) community activating set updating deletes community number of attempt, soft handover number of times;
It should be noted that trigger the reason of UMTS system switching class KPI event, mainly UE motor process there occurs following event:
(1) in UE activates and collects, main Leg changes, and namely main Serving cell ID changes;
(2) in UE activates and collects, Leg number changes;
Whether Leg and the main Leg simultaneously increased according to UE or delete belongs to same NodeB, it can be determined that triggering is soft handover or More Soft Handoff event.
2, damage data according to whole networking and cause the reason of switching class KPI index event, according to the sub-zone dividing principle provided in above-described embodiment, whole survey region can be divided into many sub regions;
3, every sub regions is abstract is an end points, two adjacent end points lines composition route, the topological relation of end points and route, as shown in Figure 6: UE can move between subregion along route;
4, each route number of times occurred is speculated according to outfield KPI measured value:
If in whole survey region the number of route be n, all communities switching class KPI index outfield measured value be S1��Sm, then can according to certain routeiBeginning and end position residing for the attribute of subregion, calculate and obtain this routeiTo KPIjThe contribution margin a of indexij��
The problem determining switching class KPI index generation area, is converted into the linear programming problem solving Prescribed Properties:
Minf=x1+x2+��+xn
a 11 x 1 + a 21 x 2 + . . . + a n 1 x n = S 1 a 12 x 1 + a 22 x 2 + . . . + a n 2 x n = S 2 . . . . . . a 1 m x 1 + a 2 m x 2 + . . . + a nm x n = S m
x1,x2,��xn��0
Utilizing the number of times that the linprog function that matlab software provides in the hope of optimal solution, can simultaneously take account of the generation of every paths is nonnegative integer, therefore the optimal solution tried to achieve must take contiguous nonnegative integer:
X = [ x 1 * , x 2 * , . . . , x n * ] .
Adopting technique scheme, the number of times that in timing statistics, whether each route occurs and specifically occur also determines that, the geographic area that namely switching class KPI index occurs determines that.
5, according to each route number of times X occurred, thus it is speculated that the suitable exercise track of UE:
Utilizing a kind of UE track that the embodiment of the present invention provides to produce algorithm, the UE movement locus figure that emulation obtains is as shown in Figure 7.
According to the UE movement locus obtained and test zone path loss data, path loss data corresponding to each sampled point on track (the benchmark test environment being namely built into) can be checked in, make after script data file for test equipment.
In embodiments of the present invention, the situation of change (every curve represents the circuit loss value situation of change of this UE community arrived, 9 community totally 9 path loss curves) checking in certain UE path loss in timing statistics section is shown in Fig. 8. In figure, several the curves of the top have the situation of intersection, there occurs and activate the change collecting main Leg, namely cause the KPI statistical phenomeon of " UE reports 1D event " during explanation.
The optimal solution X of the frequency according to each route, it is possible to calculate the theoretical value of each KPI index of triggering, its comparing result with measured value is such as shown in following table two.
Table two
The data provided from above-mentioned table two, between the theoretical value that the measured value of switching class KPI index and the embodiment of the present invention are calculated, except causing error relatively big except indivedual measured values because of sampled point is very few, major part error, lower than 1%, illustrates that theoretical value and measured value meet better.
Preferred embodiment two
Gsm system test environment builds
1, outfield KPI and path loss data are obtained;
2, damage data according to whole networking and cause the reason of switching class KPI statistical indicator, survey region is divided into some subregions;
(such as, by the circuit loss value of UE to each community as the reason causing switching class KPI statistical indicator).
3, every sub regions is abstract is an end points, and two adjacent end points lines constitute route. UE can move between subregion along route;
4, speculate each route number of times occurred according to outfield KPI measured value, namely solve the linear programming problem of Prescribed Properties:
Minf=x1+x2+��+xn
a 11 x 1 + a 21 x 2 + . . . + a n 1 x n = S 1 a 12 x 1 + a 22 x 2 + . . . + a n 2 x n = S 2 . . . . . . a 1 m x 1 + a 2 m x 2 + . . . + a nm x n = S m
x1,x2,��xn��0
Obtain optimum nonnegative integer solution:
X = [ x 1 * , x 2 * , . . . , x n * ] .
5, according to each route number of times X occurred, thus it is speculated that the suitable exercise track of UE so that the number of times that in timing statistics section, each route occurs is equal to X;
6, according to the UE movement locus obtained and test zone path loss data, check in path loss data corresponding to each sampled point on track (the benchmark test environment being namely built into), make after script data file for test equipment;
Preferred embodiment three
LTE system test environment builds
1, outfield KPI and path loss data are obtained;
2, damage data according to whole networking and cause the reason of switching class KPI statistical indicator, survey region is divided into some subregions;
3, every sub regions is abstract is an end points, and two adjacent end points lines constitute route. UE can move between subregion along route;
4, speculate each route number of times occurred according to outfield KPI measured value, namely solve the linear programming problem of Prescribed Properties:
Minf=x1+x2+��+xn
a 11 x 1 + a 21 x 2 + . . . + a n 1 x n = S 1 a 12 x 1 + a 22 x 2 + . . . + a n 2 x n = S 2 . . . . . . a 1 m x 1 + a 2 m x 2 + . . . + a nm x n = S m
x1,x2,��xn��0
Obtain optimum nonnegative integer solution:
X = [ x 1 * , x 2 * , . . . , x n * ] .
5, according to each route number of times X occurred, thus it is speculated that the suitable exercise track of UE so that the number of times that in timing statistics section, each route occurs is equal to X;
According to the UE movement locus obtained and test zone path loss data, check in path loss data corresponding to each sampled point on track (the benchmark test environment being namely built into), make after script data file for test equipment.
In another embodiment, additionally providing a kind of software, this software is for performing the technical scheme described in above-described embodiment and preferred implementation.
In another embodiment, additionally providing a kind of storage medium, in this storage medium, storage has above-mentioned software, and this storage medium includes but not limited to: CD, floppy disk, hard disk, scratch pad memory etc.
It should be noted that term " first " in description and claims of this specification and above-mentioned accompanying drawing, " second " etc. are for distinguishing similar object, without being used for describing specific order or precedence. Should be appreciated that the object of so use can exchange in the appropriate case, in order to embodiments of the invention described herein can with except here diagram or describe those except order implement. In addition, term " includes " and " having " and their any deformation, it is intended to cover non-exclusive comprising, such as, contain series of steps or the process of unit, method, system, product or equipment be not necessarily limited to those steps or the unit clearly listed, but can include clearly not listing or for intrinsic other step of these processes, method, product or equipment or unit.
In sum, the embodiment of the present invention has reached techniques below effect: solve in correlation technique, the problem that the order of accuarcy easily occurred in the simulation process of test environment is not high, greatly improves the accuracy of test result so that test result surveys KPI index closer to outfield.
Obviously, those skilled in the art should be understood that, each module of the above-mentioned present invention or each step can realize with general calculation element, they can concentrate on single calculation element, or it is distributed on the network that multiple calculation element forms, alternatively, they can realize with the executable program code of calculation element, thus, can be stored in storage device is performed by calculation element, and in some cases, shown or described step can be performed with the order being different from herein, or they are fabricated to respectively each integrated circuit modules, or the multiple modules in them or step are fabricated to single integrated circuit module realize. so, the present invention is not restricted to the combination of any specific hardware and software.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations. All within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.

Claims (10)

1. the construction method of a test environment, it is characterised in that including:
Obtain the path loss data that the Key Performance Indicator KPI and terminal unit UE of place, field testing region communication network obtain in carrying out field testing process;
According to described KPI and described path loss data construct test environment.
2. method according to claim 1, it is characterised in that also include according to before described KPI and described path loss data construct test environment:
Described field testing region is divided into some subregions, and wherein, described subregion is made up of geographically adjacent path loss test point;
For subregion each described, it can be used as an end points, and connect geographically adjacent described end points, constitute multiple path.
3. method according to claim 2, it is characterised in that include before described field testing region is divided into several subregions:
When the region occurring that subregion is not attached to lead to by multiple geography forms, the region that selection area is maximum in the plurality of region being not attached to and leading to is as described subregion, and abandons other regions extra-regional maximum except described area in the plurality of region being not attached to and leading to.
4. method according to claim 3, it is characterised in that forbid that described UE moves in other regions described in being dropped.
5. method according to claim 2, it is characterised in that include according to described KPI and described path loss data construct test environment:
Speculate the number of times producing described path in timing statistics section according to described KPI, and determine the movement locus of described UE according to described number of times;
Test environment described in path loss data construct according to sampled point each on described movement locus.
6. method according to claim 5, it is characterised in that calculate the generation number of times x of n paths in described timing statistics section according to below equation1, x2����xn:
a 11 x 1 + a 21 x 2 + . . . . . . + a n 1 x n = S 1 a 12 x 1 + a 22 x 2 + . . . . . . + a x n = S 2 . . . . . . a 1 m x 1 + a 2 m x 2 + . . . . . . + a nm x n = S m x 1 , x 2 , . . . . . . x n ≥ 0 min f = x 1 + x 2 + . . . . . . + x n ,
Wherein, S1, S2����SmFor m the respective value switching class KPI of the communication network at place, described field testing region, a11,a21..., aij... anmRespectively jth is switched the contribution margin of class KPI by the i-th paths, and wherein, i, j, m, n is natural number, x1, x2����xnFor nonnegative integer.
7. method according to claim 2, it is characterised in that described subregion meets the following conditions:
When described UE moves in subregion, do not trigger switching class KPI index event;
When described UE moves between subregion, trigger switching class KPI index event.
8. the construction device of a test environment, it is characterised in that including:
Acquisition module, for obtaining the path loss data that the Key Performance Indicator KPI and terminal unit UE of place, field testing region communication network obtain in carrying out field testing process;
Build module, for according to described KPI and described path loss data construct test environment.
9. device according to claim 8, it is characterised in that described device also includes:
Dividing module, for described field testing region is divided into some subregions, wherein, described subregion is made up of geographically adjacent path loss test point;
Link block, for for subregion each described, it can be used as an end points, and connect geographically adjacent described end points;
Determine module, for the line of described end points is constituted multiple paths.
10. device according to claim 9, it is characterised in that described structure module includes:
Generation unit, for speculating the number of times producing described path in timing statistics section according to described KPI;
Determine unit, for determining the movement locus of described UE according to described number of times;
Construction unit, for test environment described in the path loss data construct according to sampled point each on described movement locus.
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