CN101056446A - An automatic test method and device of the radio resource management performance - Google Patents
An automatic test method and device of the radio resource management performance Download PDFInfo
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- CN101056446A CN101056446A CNA200610072504XA CN200610072504A CN101056446A CN 101056446 A CN101056446 A CN 101056446A CN A200610072504X A CNA200610072504X A CN A200610072504XA CN 200610072504 A CN200610072504 A CN 200610072504A CN 101056446 A CN101056446 A CN 101056446A
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Abstract
The invention relates to an automatic testing method and device in a PRM performance test, the method soloves disadvantages of errors and law efficiency when testing in a manually constructed testing entironment. The device includes one or more channel simulation units, one or more attenuation arraies, one or more terminal array units, a control monitoring centre which provides an interface for users to programme test scripts based on testing examples, for outside, and controls adjustable devices via a standard interface, for inside. A testing method corresponding to the device is proposed, which comprises an automatic aligning step and an automatic testing step which are performed by the control monitoring centre according to a receiving signal code power value of a main common control physical channel at a near point and a characteristic that uplink and downlink path loss are symmetrical. The technic of the invention completely replaces manually testing manner in a current technic, is capable of simulating an actual circumstance of a network more accurately and factually, and performing a test with multi-RRM algorithm interaction.
Description
Technical field
The present invention relates to the method and apparatus of the automatic test in 3G moving communicating field RRM (hereinafter to be referred as the RRM) performance test.
Background technology
The main order of RRM RRM test also comprises the test of resource optimization performance except verification system carries out the performance of resource allocation.Test event mainly contains terminal is carried out the performance of sub-district switching or gravity treatment based on conditions such as signal strength signal intensity, signal qualitys test, the test of the test of the test of congested control (LCC) performance of loading, Radio Link monitoring (RLS) performance, power control (PC) performance, the test of packet scheduling (PS) performance etc. are come indexs such as indentification protocol flow process, sequential relationship, power characteristic, radio-frequency (RF) index, efficient, success rate whether to satisfy the requirement of standard by test macro.
The indoor RRM that carries out tests in the process of tests such as (such as switching), link budget test, equipment receiving sensitivity, all relates to building and calibrating of environment.Environmental structure work mainly is to connect base station and terminal by radio frequency cable, channel simulator, signal source, power splitter, attenuator, circulator etc., propagation characteristics such as the decline that simulation is eated dishes without rice or wine, interference.The environment calibration mainly is according to the up-downgoing propagation characteristic decay, interference, the characteristic of channel etc. to be set correctly: for time division duplex (Time Division Duplex, TDD) signal, the path loss in up-downgoing path is symmetrical, regulate attenuator in test environment etc. according to this characteristic, realize the path loss symmetry; Needs according to test are provided with the interference value and the characteristic of channel, and the typical channel circumstance that defines in the 3G standard has case1 and case3.
Figure one is the environment connection layout that switches, and user terminal 3 (UE3) and user terminal 4 (UE4) are connected on respectively in sub-district 12 (cell12) and sub-district 13 (cell13).UE1 is connected and serves as background load in the cell12, and UE2 is connected and serves as the background load in the cell13, and regulated attenuator 2 and attenuator 3 just can make UE3, UE4 realize switching based on signal strength signal intensity between cell12 and cell13.
Present method of testing is after having built test environment, manually finish the calibration operation of environment, such as the uplink downlink between calibration UE3 and cell12, can make UE3 initiate a calling, after treating call through, in transmitting power and the received power of base station side record cell12 on dedicated channel, in transmitting power and the received power of subscriber equipment (UE) sidelights record UE3 on dedicated channel, value according to record calculates the uplink and downlink circuit loss value respectively, according to circuit loss value regulated attenuator 5 and attenuator 6, make up-downgoing path loss unanimity.Adopt the calibration that uses the same method for the uplink downlink between UE3 and cell13.Carry out UE3 between cell12 and cell13 during, also need manually according to conditions such as the relative threshold that switches, absolute thresholdings based on the switch test of intensity, regulated attenuator 5 and attenuator 6, thus realize the variation of UE3 received signal intensity, and then trigger and switch.
Existing method is used and is manually tested, and can not simulate the actual conditions of switching.When terminal is switched in real network normally the signal strength signal intensity of Serving cell reduce gradually, the signal strength signal intensity of adjacent cell strengthens gradually, signal strength signal intensity decline and strengthening is calculated according to propagation model.And end user's wage adjustment H-section attenuator H is when triggering switching based on signal strength signal intensity, and adjusting attenuator can't accurately carry out according to propagation model, and two attenuators can only regulate respectively, can't carry out simultaneously.
Manual testing's method can't be tested the mutual effect of multiple algorithm in the RRM algorithm.Radio Link monitoring algorithm can trigger switching, handoff algorithms itself has switching based on intensity, based on the switching of quality, every kind of switching has the application scenario of oneself, be to build environment respectively during the manual testing at every kind of switching, and effectively test should be an environment that is virtually reality like reality, whether the scene that analog subscriber moves in true environment is watched every kind of algorithm and is come into force in the scene of expecting.
The manual testing can introduce the uncertainty of artificial adjustment, is not easy to the performance of statistical system.Such as the statistics handover success rate, must get rid of the artificial excessive handoff failure of introducing that waits of decay of adjusting.
Existing method of testing need spend more human cost, and the efficient of test is also lower.
Summary of the invention
At the defective that needs manually to build test environment in the prior art and manually finish test process and therefore brought, main purpose of the present invention be by design a cover automatic testing equipment and scripting automatic test approach more the real simulated actual application environment, reduce the artificial uncertainty of adjusting, improve the efficient and the accuracy of test.
At prior art, technical problem to be solved by this invention has:
1. how to realize the automatic calibration of test environment and automatically performing of RRM test.
2. how to realize a kind of device that can finish 1 described function.
At above technical problem, the present invention proposes following technical scheme:
A kind of automated testing method of RRM performance may further comprise the steps:
Steps A, control central monitoring position adjust automatically according to the characteristic of the received signal code power value of the Primary Common Control Physical Channel near point place and up-downgoing path loss symmetry in the test module that inserts sub-district to be calibrated attenuator and with the corresponding attenuator array that accesses terminal in the pad value of port, thereby the automatic calibration of realization testing apparatus;
Step B, according to the formed test script of test case, the control central monitoring position carries out real-time automatically control and extraction test data to one or more test cell, one or more test terminal and the corresponding port, channel simulator, the noise source that are linked into attenuator in the test module of each test cell, the attenuator array corresponding with the test terminal that is linked into the sub-district.
Automatic calibration process described in the steps A divides following two steps:
The pad value of all total attenuators that access terminal is set to the median of attenuation range in step I, the sub-district to be calibrated; Be linked into the median that is set to attenuation range in the attenuator array in the test module of sub-district to be calibrated with the pad value of the corresponding port of terminal to be calibrated that inserts;
Step II, deduct the circuit loss value that the received signal code power of near point place Primary Common Control Physical Channel is worth needs to be adjusted according to the received signal code power value of the Primary Common Control Physical Channel that extracts by terminal to be calibrated, and be linked in attenuator in the test module of this sub-district to be calibrated and the terminal arrays pad value with this terminal corresponding port to be calibrated according to this circuit loss value adjustment, make that the received signal code power value of the Primary Common Control Physical Channel that this terminal to be calibrated receives is the received signal code power value of the Primary Common Control Physical Channel near point place;
The received signal code power of using the Primary Common Control Physical Channel transmission code performance number of being extracted by sub-district to be calibrated to deduct the Primary Common Control Physical Channel near point place is worth the circuit loss value of down link entire path;
Control this terminal to be calibrated and initiate the calling of terminal-to-terminal service, the received power value of using the transmission power level of the DPCH of being extracted by this terminal to be calibrated to deduct the DPCH of being extracted by this sub-district to be calibrated obtains the up circuit loss value of this terminal correspondence to be calibrated, and the pad value of regulating up corresponding port in the attenuator array unit of this terminal correspondence to be calibrated then makes the up-downgoing circuit loss value of this terminal to be calibrated equate.
Further, in the described Step II, if terminal to be calibrated is not first terminal of being calibrated automatically in this sub-district to be calibrated, then according to first has been calibrated the pad value that terminal pad value of corresponding port in attenuator array is provided with this terminal to be calibrated corresponding port in attenuator array in the test module that is linked into this sub-district to be calibrated; Then, controlling this terminal to be calibrated makes a call, calculate the up-downgoing circuit loss value, finely tune this terminal to be calibrated and answer the pad value of port attenuator array centering, making the received signal code power value of the Primary Common Control Physical Channel that this terminal to be calibrated receives is the value near point place, and makes up-downgoing path loss unanimity.
Test for many algorithms reciprocation RRM, need open the input switch of the algorithm to be tested on the radio network controller (RNC), at the control central monitoring position each adjustable device is controlled simultaneously, path loss time-varying characteristics according to the experimental network collection, the decay of control different UEs (specifically how many UE depend on Test Strategy), simulation UE moves the minizone, need not manually to build respectively more various test environments.
A kind of automatic testing equipment that can realize above-mentioned automated testing method of corresponding proposition, a kind of automatic test device of RRM performance is used for the test of RRM performance is carried out in a plurality of sub-districts and a plurality of terminal, comprising:
One or more channel simulations unit, be used to regulate the sub-district input/output signal power, add noise, carry out channel simulation; One end of each channel simulation unit links to each other with a sub-district, and the other end links to each other with a decay array.Each channel simulation unit is made up of first attenuator, first circulator, second circulator, first power splitter, second power splitter, the 3rd power splitter, the 4th power splitter, the first signal noise source, secondary signal noise source, an AWGN noise source, the 2nd AWGN noise source, channel simulator.
One or more decay arrays are connected between a channel simulation unit and the one or more terminal arrays unit, are used for the uplink and downlink signals of the terminal that inserts the sub-district is carried out independent decay control respectively.Each decay array is made up of the 3rd circulator, the 5th power splitter, the 6th power splitter, the first attenuator array unit, the second attenuator array unit.
One or more terminal arrays unit, each terminal arrays unit can be connected with one or more decay arrays, and the uplink and downlink signals of each terminal arrays unit all is connected with up-downgoing port in one or more decay arrays that this terminal is linked into; Each terminal arrays unit is made up of first power splitter, second power splitter, first circulator;
(annexation that each module is concrete has not here just been write, and avoids repetition, because explanation is all arranged in the specific embodiment)
The control central monitoring position externally provides interface to write test script for the user according to test case, and can read, explain, carry out described test script and extract test data; Internally pass through the control of the interface realization of standard to sub-district, terminal, channel simulation unit, decay array, terminal arrays.
Disclosed testing scheme can be realized the automation of RRM test, and maximum the minimizing manually participates in, and can finish the test that the manual testing is difficult for realization.
Testing apparatus of the present invention once connect finish after, as long as write the control script according to corresponding content measurement and scheme, do not need to build test environment separately, and also have the fine extensibility that gets, can connect a plurality of sub-districts according to the test needs for each RRM content measurement.
Testing apparatus of the present invention can be exported the test data of expectation according to user's needs, is convenient to the engineer test result is analyzed.
Description of drawings
Fig. 1 is the structure chart that manually carries out indoor RRM switch test;
Fig. 2 is the automatization test system structure chart of disclosed RRM performance;
When being to use the automatic test device of disclosed RRM performance to carry out the RRM performance test, realizes Fig. 3 the flow chart of calibration automatically;
The flow chart that Fig. 4 is to use the automatic test device of disclosed RRM performance to automatically switch and test.
Embodiment
Apparatus of the present invention are according to the mobile communication system propagation characteristic of eating dishes without rice or wine, one or more terminals in the terminal arrays are connected respectively in one or more sub-districts, the control central monitoring position has control port and monitor port to be connected to cell base station, terminal arrays, attenuator, additive white Gaussian noise (AWGN) noise source, signal noise source, channel simulator, attenuator array, various adjustable devices are controlled automatically, realized the automatic test of chain calibration and part RRM algorithm.
Figure two has provided the system construction drawing that uses automatic test device of the present invention to carry out the RRM performance test, part between base station cell and the terminal arrays is called a test module, a test module is made up of a channel simulation unit and a decay array, it is identical that structure is formed in inside in each test module, and all be connected with the control central monitoring position.Suppose to have n test module, should a corresponding n base station cell, same terminal can be connected with a plurality of test modules, for example two terminals of minimum needs, two terminal arrays unit, two test modules and two cell base stations when carrying out switch test.As Fig. 2 hypothesis n cell base station arranged, m test terminal (n and m are the positive integer greater than 1), n cell base station should a corresponding n test module, m test terminal should correspondence be connected with m terminal arrays unit, each terminal arrays unit can be linked into k test module as required, and k is more than or equal to 1 and less than the positive integer of n.
The signal of sub-district is at first by the channel simulation unit in the test module, in the channel simulation unit, add signal noise and AWGN noise and carry out channel simulation by channel simulator, be linked into the terminal arrays unit by the decay array then, in the decay array, can control separately at the uplink and downlink signals of some terminals.
The channel simulation unit comprises: first attenuator, first circulator, second circulator, first power splitter, second power splitter, the 3rd power splitter, the 4th power splitter, the first signal noise source, secondary signal noise source, an AWGN noise source, the 2nd AWGN noise source, channel simulator; From sub-district output or the signal that is input to the sub-district by first attenuator decay (when descending, preventing channel simulator input signal overload), by first circulator signal is divided into uplink and downlink signals then, the downstream signal of first circulator output is input to channel simulator after adding the signal noise that is produced by the first signal noise source by first power splitter, is input to first circulator after adding the AWGN noise that is produced by the 2nd AWGN noise source by the upward signal of channel simulator output by second power splitter; Uplink and downlink signals adds the multipath fading model by the control of control central monitoring position in channel simulator; Be input to second circulator after adding the AWGN noise that produces by an AWGN noise source by the downstream signal of channel simulator output by the 3rd power splitter, be input to channel simulator after adding the signal noise that produces by the secondary signal noise source by the upward signal of second circulator output by the 4th power splitter; The 2nd an AWGN noise source and an AWGN noise source add white noise respectively in the uplink and downlink signals link, the secondary signal noise source and the first signal noise source add signal noise respectively in the uplink and downlink signals link, signal noise is disturbed the sub-district generation of terminal or base station through the multipath fading model; Described first attenuator, the first signal noise source, secondary signal noise source, an AWGN noise source, the 2nd AWGN noise source, channel simulator link to each other with the control central monitoring position respectively; Described second circulator links to each other with described decay array.
The decay array comprises: the 3rd circulator, the 5th power splitter, the 6th power splitter, the first attenuator array unit (being the downstream attenuation array element), the second attenuator array unit (being up decay array element).The decay array element is actually by being controlled by the attenuator of controlling central monitoring position one by one to be formed, each attenuator is equivalent to a port, each port is separate, and the port that is used to control downstream signal is called downlink port, and the port that is used to control upward signal is called uplink port; The downstream signal that is come by the sub-district is linked into terminal by downlink port, and the upward signal that is come by terminal is linked into the sub-district by uplink port; Each decay array element can comprise k port, and k is the positive integer greater than 1, and corresponding corresponding this decay array element can only insert the terminal arrays unit smaller or equal to k.Decay array composed as follows: the 3rd circulator is connected with second circulator in the channel simulation unit, downstream signal by the output of the 3rd circulator passes through the 5th power splitter along separate routes, and each descending shunting sign links to each other with the relevant terminal array element by the corresponding port of the first decay array element respectively; Upward signal by each terminal arrays unit output is linked into the 6th power splitter by the corresponding port of the second decay array element respectively, is input to the 3rd circulator after the 6th power splitter closes the road; First and second decay array is realized respectively the control that decays separately of the uplink and downlink signals of each terminal, a port of each decay array element corresponding to one access terminal input or output signal, first and second attenuator array are connected with the control central monitoring position respectively;
The terminal arrays unit comprises: first power splitter, second power splitter, first circulator;
Be input to first circulator after closing the road by the downstream signal of the decay array corresponding output by first power splitter in the terminal arrays unit, be linked into terminal by first circulator with the sub-district; By the upward signal of terminal output by behind first circulator by second power splitter along separate routes, the upward signal after is input to the decay array corresponding with inserting the sub-district respectively along separate routes; Described first power splitter is connected with one or more terminal arrays corresponding with the sub-district respectively with second power splitter.First power splitter or second power splitter need to determine concrete model according to the number of the sub-district that is connected with terminal, as one-to-two, one minute four, one minutes eight etc.
Crucial part is the control central monitoring position in the automatic testing equipment.Control central monitoring position and realize the flow process of calibration automatically and automatic RRM test; Externally provide interface to write the control script, extract test data according to flow process for the user, the user is by text mode input control script, and program realizes calling different functions according to key value, thereby realizes the flow process of definition; Internally pass through the control of the interface realization of standard to each instrument, such as passing through general-purpose interface bus (General-purpose interfacebus, GPIB), control signal such as network interface or serial ports source, by the programmable attenuator in gpib interface control channel simulator and the decay array, by network interface control base station, use AT signaling collection control terminal by serial ports or USB interface.
Before test, automatic testing equipment is in initial condition: the sub-district is in unactivated state, and the decay of attenuator array and attenuator is in maximum, and noise source is in closed condition, and channel simulator is in bypass (bypass) state.Figure three has provided the flow chart of automatic calibration, and flow process is as follows:
301: test macro is in initial condition.
302:, can import one or more according to the sub-district and the terminal number of test case design input needs calibration.
303: by the control central monitoring position at random or to choose a sub-district by input sequence be sub-district to be calibrated, the pad value of the total attenuator of all terminals is set to the median of attenuation range in the sub-district to be calibrated; The pad value of the corresponding port of the attenuator array unit that terminal to be calibrated is corresponding with sub-district to be calibrated is set to the median of attenuation range;
304: activate the sub-district, open a terminal.
305: selected one is terminal to be calibrated from the terminal that is linked into this sub-district to be calibrated, if this terminal to be calibrated is first terminal to be calibrated in this sub-district to be calibrated then execution in step 306, otherwise execution in step 307.
306: the received signal code power that deducts near point place Primary Common Control Physical Channel according to the received signal code power value (PCCPCH RSCP) of the Primary Common Control Physical Channel of the actual measurement of being extracted by terminal to be calibrated is worth the circuit loss value of needs adjustment, and adjust the pad value of the corresponding port of the corresponding attenuator array unit of total attenuator between this sub-district to be calibrated and the terminal and terminal to be calibrated, make that the received signal code power value of the Primary Common Control Physical Channel that this terminal to be calibrated receives is the received signal code power value of the Primary Common Control Physical Channel near point place; Guarantee the input nonoverload of channel simulator simultaneously.
The received signal code power of using the Primary Common Control Physical Channel transmission code performance number of being extracted by sub-district to be calibrated to deduct the Primary Common Control Physical Channel near point place is worth the circuit loss value of down link entire path.
Control this terminal to be calibrated and initiate the calling of terminal-to-terminal service, the received power value of using the transmission power level of the DPCH of being extracted by this terminal to be calibrated (DPCH) to deduct the DPCH of being extracted by this sub-district to be calibrated obtains the up circuit loss value of this terminal correspondence to be calibrated, and the pad value of regulating corresponding port in the attenuator array unit of up this terminal correspondence to be calibrated then makes that the up-downgoing circuit loss value of this terminal to be calibrated is equal.Execution in step 308 after setting completed.
307: the pad value that the corresponding port, attenuator array unit of this terminal correspondence to be calibrated is set according to first pad value of corresponding port that has been calibrated the up-downgoing attenuator array unit of terminal in this sub-district to be calibrated; Then, controlling this terminal to be calibrated makes a call, calculate the up-downgoing circuit loss value, finely tune the pad value of the corresponding port, attenuator array unit of this terminal correspondence to be calibrated, making the received signal code power value of the Primary Common Control Physical Channel that this terminal to be calibrated receives is the value near point place, and makes up-downgoing path loss unanimity;
The received signal code power value of described near point place Primary Common Control Physical Channel is meant that the received PCCPCH RSCP in test terminal is-70dBm.
308: the control central monitoring position is judged whether the terminal of sub-district to be calibrated has all calibrated and is finished, and finishes and then carries out 309; Do not finish then execution in step 305 and carry out the calibration of this other terminal of sub-district to be calibrated.
309: the control central monitoring position judges whether that all sub-districts have been calibrated and finishes, be then to finish to calibrate flow process, otherwise execution in step 303 carried out the calibration of other sub-district.
In test process, the control central monitoring position can be according to the automatic control of the full automatic realization of test script to each adjustable device, do not need artificial intervention to regulate, real simulated goes out the time-varying characteristics of path loss and controls the decay of a plurality of UE and move more, thereby can simulate real more real network environment.
Figure four has provided the flow chart of the test of automaticallying switch, suppose that terminal 1 (UE1), terminal 2 (UE2) reside in sub-district 1 (cell1), terminal 3 (UE3), terminal 4 (UE4) reside in sub-district 2 (cell2), make UE1, UE2 switch to cell2 (based on signal strength signal intensity) from cell1, make UE3, UE4 switch to cell1 simultaneously from cell2, switch certain number of times repeatedly, the statistics success rate for switching.Automatic testing process is as follows: at first, adjust the distance of 2 sub-districts of UE1, UE2 distance, make UE1, UE2 at the near point place of cell1 (just being in this state after the calibration automatically), simultaneously the coverage of cell2 outside (according to the data of simulated environment or try net collection, determine the signal strength signal intensity of sub-district 2 incoming terminals, calculate the difference of this signal strength signal intensity and-70dBm), and adjust the pad value of corresponding port between the attenuator array of terminal and cell2, in like manner adjust UE3, UE4 distance apart from 2 sub-districts; Next channel simulator is set, the frequency of channel simulator is set, case3 or case1 environmental simulation rapid fading environment are set according to the frequency point information of sub-district; Next determine the time-varying characteristics of the pad value of attenuator array, simulation slow fading environment can calculate path loss with base station and the terminal room variation relation (formula one) apart from d according to path loss formula under the urban environment:
L(dB)＝46.3+33.9×log(f)-13.82×log(H
b)-a(H
m)
+ [44.9-6.55 * log (H
b)] * log (d)+C
m(formula one)
Wherein:
a(H
m)＝[1.1×log(f)-0.7]×H
m-[1.56×log(f)-0.8]
Hb: base station height, the m of unit
The Hm:UE height, the m of unit
Cm: the offset of varying environment, general city is 0
D: terminal is apart from the distance of sub-district, the km of unit.
Can calculate path loss according to the speed of case3 or case1 correspondence again and concern (the path loss time-varying characteristics of also can the service test net gathering) over time; Control terminal is connected business respectively, and the path loss time-varying characteristics that calculate according to previous step are adjusted the pad value of corresponding decay array corresponding port respectively, realize the back and forth switching of different terminals between different districts; Constantly signal strength signal intensity of the generation that handoff procedure base station and end side write down switching respectively, bLock error rate (BLER) etc., terminal writes down the flow process of switching simultaneously, be reported to control Surveillance center, if handoff failure is arranged, stop the adjustment process that decays, again insert the user of call drop, begin switch test once more.Test is finished and is provided success rate for switching.
Except switch test, other RRM test such as load congested control (LCC), Radio Link monitoring (RLS), power control (PC), packet scheduling (PS) wait can use figure two device test, only need determine the controlling schemes of automatics and write to control script and just can realize automatic test according to the test case design.When carrying out power control (PC) test, in order to verify the performance of up-downgoing outer shroud antagonism slow fading, business is calibrated and connected to some terminals of at first choosing in the sub-district, channel simulator simulating multi-path environment then is set, the up-downgoing interference value is set, adjust the pad value of corresponding decay array corresponding port then according to up-downgoing path loss time-varying characteristics, realize terminal moving around in the sub-district, write down the variation of up-downgoing BLER value, assess the accuracy of external circule power control according to the variation of BLER value.The test point of LCC, RLS, PS scheduling algorithm is more, can trigger switching, quick dynamic channel allocation (FDCA), PS etc. such as RLS, and the user can write different control scripts at different test points.
Some other test as receiving sensitivity test etc. need be carried out the environment calibration, also can utilize the device of figure two to realize calibrating automatically.
For the mutual situation of multiple algorithm, the input switch that need open the algorithm to be tested on the radio network controller (RNC) gets final product, the path loss time-varying characteristics that device of the present invention is gathered according to experimental network, the decay of control different UEs (specifically how many UE depend on Test Strategy), simulation UE moves the minizone, in the process that UE moves, have measurement report etc. and be reported to RNC, RNC will call different algorithms, the index of final statistical system such as cutting off rate, handover success rate, throughput etc., whether checking can reach the performance index of system.If can not reach system index, the daily record that just needs manually device to be generated be analyzed, so that search the problem that reason is the parameter setting or the problem of program realization.
Claims (8)
1. the automatic test device of a RRM performance is used for the test of RRM performance is carried out in a plurality of sub-districts and a plurality of terminal, it is characterized in that, comprising:
One or more channel simulations unit, be used to regulate the sub-district input/output signal power, add noise, carry out channel simulation; One end of each channel simulation unit links to each other with a sub-district, and the other end links to each other with a decay array;
One or more decay arrays, each decay array is connected between a channel simulation unit and the one or more terminal arrays unit, is used for the uplink and downlink signals of the terminal that inserts the sub-district is carried out independent decay control respectively;
One or more terminal arrays unit, each terminal arrays unit can be connected with one or more decay arrays, and the uplink and downlink signals of each terminal arrays unit all is connected with up-downgoing port in one or more decay arrays that this terminal is linked into;
The control central monitoring position externally provides interface to write test script for the user according to test case, and can read, explain, carry out described test script and extract test data; Internally pass through the control of the interface realization of standard to sub-district, terminal, channel simulation unit, decay array, terminal arrays.
2, the automatic test device of a kind of RRM performance as claimed in claim 1 is characterized in that, described channel simulation unit comprises:
First attenuator, first circulator, second circulator, first power splitter, second power splitter, the 3rd power splitter, the 4th power splitter, the first signal noise source, secondary signal noise source, the first additive white Gaussian noise noise source, the second additive white Gaussian noise noise source, channel simulator;
First attenuator is decayed to the signal of the sub-district of coming in and going out, first circulator will be divided into uplink and downlink signals by the signal that first attenuator comes, downstream signal is input to channel simulator after adding the signal noise that is produced by the first signal noise source by first power splitter, is input to first circulator after adding the additive white Gaussian noise that is produced by the second additive white Gaussian noise noise source by the upward signal of channel simulator output by second power splitter; Uplink and downlink signals adds the decline model in channel simulator; Be input to second circulator after adding the additive white Gaussian noise that produces by the first additive white Gaussian noise noise source by the downstream signal of channel simulator output by the 3rd power splitter, be input to channel simulator after adding the signal noise that produces by the secondary signal noise source by the upward signal of second circulator output by the 4th power splitter; Described first attenuator, the first signal noise source, secondary signal noise source, the first additive white Gaussian noise noise source, the second additive white Gaussian noise noise source, channel simulator link to each other with the control central monitoring position respectively; Described second circulator links to each other with described decay array.
3, the automatic test device of a kind of RRM performance as claimed in claim 1 is characterized in that, described decay array comprises:
The 3rd circulator, the 5th power splitter, the 6th power splitter, the first attenuator array unit, the second attenuator array unit;
Described the 3rd circulator is connected with second circulator in the channel simulation unit, downstream signal by the output of the 3rd circulator passes through the 5th power splitter along separate routes, and each descending shunting sign links to each other with each the terminal arrays unit that is linked into the sub-district by each the separate port in the first decay array element respectively; Be linked into this sub-district by each the separate port in the second decay array element respectively by each upward signal that is linked into the terminal arrays unit output of this sub-district, each shunt upward signal by the second decay array element output is input to the 3rd circulator after the 6th power splitter closes the road, the first and second attenuator array unit connect (in corresponding Fig. 2 with the control central monitoring position respectively, have only the second attenuator array unit to be connected, make an amendment) with the control central monitoring position;
4, the automatic test device of a kind of RRM performance as claimed in claim 1 is characterized in that, described terminal arrays unit comprises:
First power splitter, second power splitter, first circulator;
Be input to first circulator after terminal all of decay array output that insert sub-district correspondence downstream signals of being input to this terminal close the road by first power splitter in the terminal arrays unit thus; First circulator is uplink and downlink signals with input and output to the Signal Separation of terminal; Be input to the decay array of the sub-district correspondence that inserts after along separate routes respectively by second power splitter by the upward signal of first circulator output.
5. the automated testing method of a RRM performance is characterized in that, may further comprise the steps:
Steps A, control central monitoring position adjust automatically according to the characteristic of the received signal code power value of the Primary Common Control Physical Channel near point place and up-downgoing path loss symmetry in the test module that inserts sub-district to be calibrated attenuator and with the corresponding attenuator array that accesses terminal in the pad value of port, thereby the automatic calibration of realization testing apparatus;
Step B, according to the formed test script of test case, the control central monitoring position carries out real-time automatically control and extraction test data to one or more test cell, one or more test terminal and the corresponding port, channel simulator, the noise source that are linked into attenuator in the test module of each test cell, the attenuator array corresponding with the test terminal that is linked into the sub-district.
6. the automated testing method of RRM performance as claimed in claim 5 is characterized in that, the described automatic calibration process of steps A is as follows:
The pad value of all total attenuators that access terminal is set to the median of attenuation range in step I, the sub-district to be calibrated; Be linked into the median that is set to attenuation range in the attenuator array in the test module of sub-district to be calibrated with the pad value of the corresponding port of terminal to be calibrated that inserts;
Step II, deduct the circuit loss value that the received signal code power of near point place Primary Common Control Physical Channel is worth needs to be adjusted according to the received signal code power value of the Primary Common Control Physical Channel that extracts by terminal to be calibrated, and be linked in attenuator in the test module of this sub-district to be calibrated and the terminal arrays pad value with this terminal corresponding port to be calibrated according to this circuit loss value adjustment, make that the received signal code power value of the Primary Common Control Physical Channel that this terminal to be calibrated receives is the received signal code power value of the Primary Common Control Physical Channel near point place;
The received signal code power of using the Primary Common Control Physical Channel transmission code performance number of being extracted by sub-district to be calibrated to deduct the Primary Common Control Physical Channel near point place is worth the circuit loss value of down link entire path;
Control this terminal to be calibrated and initiate the calling of terminal-to-terminal service, the received power value of using the transmission power level of the DPCH of being extracted by this terminal to be calibrated to deduct the DPCH of being extracted by this sub-district to be calibrated obtains the up circuit loss value of this terminal correspondence to be calibrated, and the pad value of regulating up corresponding port in the attenuator array unit of this terminal correspondence to be calibrated then makes the up-downgoing circuit loss value of this terminal to be calibrated equate.
7. the automated testing method of RRM performance as claimed in claim 6, it is characterized in that, in the described Step II, if terminal to be calibrated is not first terminal of being calibrated automatically in this sub-district to be calibrated, then according to first has been calibrated the pad value that terminal pad value of corresponding port in attenuator array is provided with this terminal to be calibrated corresponding port in attenuator array in the test module that is linked into this sub-district to be calibrated; Then, controlling this terminal to be calibrated makes a call, calculate the up-downgoing circuit loss value, finely tune this terminal to be calibrated and answer the pad value of port attenuator array centering, making the received signal code power value of the Primary Common Control Physical Channel that this terminal to be calibrated receives is the value near point place, and makes up-downgoing path loss unanimity.
8. the automated testing method of RRM performance as claimed in claim 5, it is characterized in that, pass through definition among the described step B to script, RRM test in the time of can carrying out multiple algorithm reciprocation under control central monitoring position situation that each adjustable device is controlled simultaneously need not manually to build respectively more various test environments.
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