CN100367040C - Testing method for radio-frequency product - Google Patents
Testing method for radio-frequency product Download PDFInfo
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- CN100367040C CN100367040C CNB2004100561888A CN200410056188A CN100367040C CN 100367040 C CN100367040 C CN 100367040C CN B2004100561888 A CNB2004100561888 A CN B2004100561888A CN 200410056188 A CN200410056188 A CN 200410056188A CN 100367040 C CN100367040 C CN 100367040C
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Abstract
The present invention relates to a test method for radio-frequency products, which belongs to the field of test. The present invention comprises the following steps that a test item and a desired device are determined; operation steps of the test item are carried out sequential decomposition and each step of the operation steps corresponds to an operation process of the device once; test parameters and device control orders are distributed for each step of the operation steps; the operation steps are executed orderly to complete the test item; the method also comprises the steps that a test platform is established and the device control orders are loaded to lead operation to be convenient; more that one test task which comprises at least one test item can be arranged on the test platform and the test item is executed to complete the test task according to a test plan.
Description
Technical field
The present invention relates to the measuring technology of the electronics or the communications field, relate in particular to the measuring technology of radio frequency products in the communications field, a kind of radio frequency products method of testing specifically is provided.
Background technology
In at present radio frequency complete machine and module testing, generally using all kinds of radio frequency testing instruments of various software controls to replace the performance index of manual testing's measured object, radio frequency testing robotization also is the target pursued of each major company of industry in the world.Current, the main Control Software of industry has the VEE of Angilent company, LabView, the TCL of International Instruments company (Tools Control Language) and with the related software of language developments such as VC, VB, C++, use the program of these software developments to wait the operation of controlling various radio frequency testing instruments, finally realize the radio frequency products purpose of test automatically by various interface such as GPIB (IEEE-488 standard), LAN.
The key problem in technology of realizing the radio frequency automatic test is reasonably, intelligently to control various testing meter and instruments, finishes the setting of instrument and meter state, the inquiry of data alarm etc. automatically, finally finishes the test event that needs.The exploitation basis of present all radio frequency products automatically testing platforms, it is the test event in the test assignment, promptly a specific autotest program has one or several test assignments, and each test assignment is made up of test event, as shown in Figure 1, such platform structure, the user can only operate test event, and be opaque substantially below the test event, this has just caused the curing of test event.Test event is in case curing realizes that the instrument and meter of these projects has also just solidified thereupon, if lack such instrument and meter or update, whole platform just can not move, and this has just caused the limitation of instrument and meter to whole platform; In addition, test event is solidified, and has just caused the curing of method of testing, causes the difficulty of modification, optimization method of testing.
Existing various test platform comprises Angilent, R﹠amp; Professional radio frequency apparatus manufacturer such as S development product, all at a certain specific products or a certain agreement (or standard) exploitation, the GS9200 Auto-Test System of releasing such as Angilent is at the power amplifier module design of a certain type of WCDMA base station.If the user will use the identical index (such as testing spuious index) of the sender complete machine of GS9200 test WCDMA other types power amplifier module or GSM, just must do corresponding modification even will develop again the Control Software of whole system, these modifications can only be provided by Angilent company, of a high price and time-consuming, use very dumb.
Existing another deadly defect of radio frequency products automatically testing platform is that the control instrument versatility is poor: for the radio frequency testing instrument of same kind, the instrument control command (SCPI) of different company even same company different series is incompatible, and promptly existing platform is not supported the instrument of multiple standard.So not only just caused the waste of instrument resource, and further reduced the dirigibility of testing software, made the tester usually be absorbed in because of lacking the embarrassment that specific instrument can not be used automatic testing software in the hand.Simultaneously, on the basis of current autotest program, the existing instrument of use increases new test event and add new instrument on existing instrument basis all very difficult, make follow-up expansion work become complicated difficult, but these expansion work is necessary again.The trivial operations of existing platform, also higher to user of service's requirement, need carry out special training (especially software aspect) to the user.
Generally speaking, existing radio frequency automatic test solution, the shortcoming of dirigibility, versatility and compatible aspect, cost height, the repeat usage of cause exploitation, safeguarding is low, life cycle is short.
Summary of the invention
The present invention provides a kind of radio frequency products method of testing for solving the prior art problem, to realize radio frequency automatic test flexibly, makes the use of test platform not be subjected to the restriction of test assignment characteristic, test product, testing tool, testing standard etc.
The method of the invention realizes through the following steps: S1: determine test event and required instrument thereof; S2: order is decomposed the operation steps of test event, the corresponding once operating process of described instrument of each step of described operation steps; S3: be each step configuration testing parameter of described operation steps, and by test platform according to the automatic configure instrument control command of the series number of described instrument; S4: carry out described operation steps in order to finish described test event.
An operating process of described instrument is an instrument series function in this instrumentation package.An operating process of this instrument is carried out in the corresponding control of described instrument control command.
Described method is set automatic or manual execution, circulation execution, regularly carries out or is carried out described testing procedure according to preset condition in step S4.
Described method also is included in before the step S2, the step of pre-loaded described instrument control command on test platform; An above test assignment is set on described test platform, and described test assignment comprises a described test event at least, carries out described test event to finish this test assignment according to test plan.
Because this radio frequency products automated testing method has adopted based on the instrumentation process, make that the user can be in the middle of the test that applies to multiple radio frequency products of this program, avoided of the restriction of existing program to test products, consensus standard, realized the dirigibility of radio frequency testing test procedure to greatest extent, be applicable to the test of 2G, 2.5G, 3G communication product complete machine and module, greatly reduced exploitation, maintenance, expansion cost, reduced technical requirement the user of service.In addition, realized the general of different production firms, different series instrument, eliminated the instrument incompatibility problem that the difference owing to SCPI causes, realized versatility, the compatibility of program, widened its application surface greatly from the software level.
Description of drawings
Below with specific embodiment and be described with reference to the accompanying drawings.
Fig. 1 is the test platform architecture synoptic diagram;
Fig. 2 organizes synoptic diagram for test event of the present invention;
Fig. 3 is an embodiment hardware configuration synoptic diagram;
Fig. 4 is a method flow diagram among the embodiment.
Embodiment
According to this method of testing, we decompose test event and form several instrumentation process collection according to instrumentation process (Process is called for short Proc); And these Proc are general concerning the great majority test.Then, test event is again by these Proc combination and suitable parameter is set and forms.In other words, the program development structure is based on instrumentation process rather than test event, and test event is transparent to the user.This is that this method of testing can realize the core that the radio frequency automatic test platform is general, flexible, compatible.
The radio frequency testing activity has following characteristics: the implementation procedure of test event is to be stacked up by one or more single operation to instrument (corresponding manual test is a button, test is to issue a control command automatically), at a time an instrument is operated; Some instruments are carried out step by step operation in a certain order, finally finish this test event.
As shown in Figure 2, based on These characteristics, can segment test event once more, sequencing according to institute's use instrument, resolve into several independently, mutual incoherent operation steps in logic, a step just is called an instrumentation process (Proc), and these Proc nearly all are general.Each Proc finishes setting and the operation that an instrument will be finished in this test event, the user independently is combined into test event to one or several Proc according to demand, and the different parameters that is provided with is set then.Constitute test event rather than test event is solidified with the mode of similar " playing with building blocks ", this program structure is the unique place of this method, and it has satisfied the dirigibility of whole robotization platform to greatest extent.
Proc can also guarantee that platform can realize versatility, compatibility, makes user's work no longer be subjected to the restriction of apparatus manufacture, instrument series.This is because the set of Proc is to divide according to the kind of instrument, the instrument that it uses according to the user the is integrated SCPI of these instruments.During program run, judge any SCPI of use automatically according to the different instrument that uses: thus realized versatility, compatibility.
We have used this technical scheme to design a preliminary radio frequency automatic test platform now, are that example is explained this method of testing with this platform.The hardware environment of this platform as shown in Figure 3, employed instrument is not limited to provide above, this embodiment does not limit protection domain.
Below, we are example with certain test event in the test assignment, describe this method of testing.Suppose that this test event need use this 4 quasi-instrument of programmable power supply, vector signal source, power meter and spectrum analyzer, the method for testing flow process as shown in Figure 4.
At first, we find out the Proc that needs use according to the method for testing of test event in this 4 quasi-instrument encapsulation.These Proc are the functions about instrument model (series), and the instrument model that platform connects according to reality is automatically found out corresponding SCPI and carried out Proc in encapsulation.Like this, as long as there is the SCPI of this instrument in such instrumentation package, platform just can be controlled, use it, the SCPI that has comprised E4432 series, E4438C, SMIQ03 series in the vector signal source encapsulation such as present platform, existing all main flow signal sources have almost been comprised, the just not restriction of tested person instrument of the use of test platform like this, the replaceability of instrument is guaranteed.And, if there is new same quasi-instrument to occur later on, only need be added to new SCPI in the encapsulation of vector signal source, do not relate to and revise Proc, test event and the thing above them, it is very simple that maintenance becomes, and extendability and life cycle all are improved.
Then, the tester sets suitable parameters for these Proc.For identical Proc, the setting of parameter is to change according to the sample or the testing standard of testing.What Proc determined is the action of instrument, and the parameter decision is the effect that instrument produces.Such as, the neighboring trace in the middle of same the is spectrum analyzer, every the road power test, be that 3.84MHz, neighboring trace are spaced apart 5MHz if the user is provided with channel bandwidth, this Proc just can be applied to the test of WCDMA product so; If it is that 1.28MHz, neighboring trace are spaced apart 778KHz that the user is provided with channel bandwidth, this Proc just can be applied to the test of IS95 product so.Equally, for the signal format of vector signal source output, if the input data file name parameter represents is the WCDMA signal, output is exactly the WCDMA signal so; If other name is exported the signal for standard exactly.Again such as, be to use the S21/S12Proc of network analyzer equally, we can finish the test of amplitude, phase place, time delay, imaginary part etc., as long as the parameter of tester's input real LOGM, PHASE, DELAY, IM etc.Like this, we just can apply to same Proc under the various test conditions flexibly, and it can satisfy all demands, agreement, standard and product.And, can both accomplish flexible, general by test event and whole test platform that such Proc flexibly forms.
At last, the user combines these Proc in a certain order, has just constituted a complete test event.In the middle of reality is used, overwhelming majority user only relates to selection, parameter input and the permutation and combination of Proc, this just greatly reduces the training requirement to the user, user even can only form the automatic test subroutine of wanting according to the complete test plan of portion.
Certainly, we also can exchange the 3rd step of Fig. 4 and the order in the 4th step once, are combined into test event, back input parameter earlier.In actual applications, more convenient and flexible so on the contrary.(gain, AM-AM, spuious, harmonic wave inhibition etc.) is very fixing because some general test events, we can generate these test events earlier, just go to call them and import different parameters according to the actual requirements when needing, so just can well satisfy the requirement of the test assignment of different product, different protocol standards and different qualities.
After test event generated, we can generate other test event according to such method.Then, these test events are lined up according to test plan, such test assignment just can utilize this radio frequency automatic test platform to finish.Certainly, can also add that in the outside of these test events some conditions realize the function of circulation, traversal and the fixed time test tested.Like this, closing to reality situation more especially when doing long-term test assignment (as aging test, environmental test), can be liberated 1～2 tester and realizes unmanned, has saved cost greatly, has improved efficient.
Because this radio frequency products automated testing method has adopted based on the instrumentation process, make that the user can be in the middle of the test that applies to multiple radio frequency products of this program, avoided of the restriction of existing program to test products, consensus standard, realized the dirigibility of radio frequency testing test procedure to greatest extent, be applicable to the test of 2G, 2.5G, 3G communication product complete machine and module, greatly reduce the cost of exploitation, maintenance, expansion, reduced technical requirement the user of service.In addition, realized the general of different production firms, different series instrument, eliminated the instrument incompatibility problem that the difference owing to SCPI causes from the software level, realized versatility, the compatibility of program, application surface is widened greatly to limit then and has been reduced.
Claims (6)
1. a radio frequency products method of testing is characterized in that: comprise the following steps:
S1: determine test event and required instrument thereof;
S2: order is decomposed the operation steps of test event, the corresponding once operating process of described instrument of each step of described operation steps;
S3: be each step configuration testing parameter of described operation steps, and by test platform according to the automatic configure instrument control command of the series number of described instrument;
S4: carry out described operation steps in order to finish described test event.
2. the method for claim 1 is characterized in that: an operating process of described instrument is an instrument series function in this instrumentation package.
3. method as claimed in claim 1 or 2 is characterized in that: an operating process of this instrument is carried out in the corresponding control of described instrument control command.
4. the method for claim 1 is characterized in that: set automatic or manual execution, circulation execution in step S4, regularly carry out or carry out described testing procedure according to preset condition.
5. the method for claim 1, it is characterized in that: described method also is included in before the step S2, the step of pre-loaded described instrument control command on described test platform.
6. the method for claim 1, it is characterized in that: an above test assignment is set on described test platform, and described test assignment comprises a described test event at least, carries out described test event to finish this test assignment according to test plan.
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| CN101159498B (en) * | 2007-11-07 | 2010-12-29 | 中兴通讯股份有限公司 | Method of testing radio frequency hardware module |
| CN101478354A (en) * | 2009-01-20 | 2009-07-08 | 信息产业部通信计量中心 | Radio frequency automatic test system for wireless communication base station |
| CN101852832B (en) * | 2010-04-22 | 2013-02-27 | 成都芯通科技股份有限公司 | Flexibly-extendable automatic testing system platform suitable for testing radio frequency module product |
| CN102455384B (en) * | 2010-11-03 | 2015-10-28 | 北京普源精电科技有限公司 | State synchronization method and device |
| CN104378167A (en) * | 2013-08-14 | 2015-02-25 | 中兴通讯股份有限公司 | Testing method and system |
| CN106909131B (en) * | 2015-12-22 | 2020-10-16 | 上海西门子线路保护系统有限公司 | Management system of experimental instrument |
| CN106788786B (en) * | 2016-11-21 | 2021-05-11 | 上海卫星工程研究所 | Standardized satellite radio frequency index testing system |
| CN109347578B (en) * | 2018-11-27 | 2022-01-04 | 京信网络系统股份有限公司 | Radio frequency performance test method and device, computer equipment and readable storage medium |
| CN109975722B (en) * | 2019-03-17 | 2021-09-14 | 江苏神州半导体科技有限公司 | Detection method of radio frequency power supply |
| CN111224845A (en) * | 2020-01-03 | 2020-06-02 | 杭州涂鸦信息技术有限公司 | Equipment automatic testing system and method based on Internet of things cloud |
| CN111338605B (en) * | 2020-02-17 | 2023-09-05 | 公安部第一研究所 | Method for automatically executing instrument function development and operation flow |
| CN111563042A (en) * | 2020-05-09 | 2020-08-21 | 中国科学院微电子研究所 | Wireless performance test system and method applied to Wi-Fi5 chip |
| CN112732551A (en) * | 2020-12-01 | 2021-04-30 | 武汉虹信科技发展有限责任公司 | Automatic test method and system for radio frequency indexes |
| CN114675110B (en) * | 2022-03-31 | 2022-09-27 | 深圳市利和兴股份有限公司 | Test platform for detecting performance of radio frequency equipment and radio frequency detection circuit |
| CN114546579A (en) * | 2022-04-27 | 2022-05-27 | 中星联华科技（北京）有限公司 | Radio frequency test method, radio frequency test device and electronic equipment |
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