CN102868464B - Consistency testing system and method of communication terminals - Google Patents
Consistency testing system and method of communication terminals Download PDFInfo
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- CN102868464B CN102868464B CN201210340361.1A CN201210340361A CN102868464B CN 102868464 B CN102868464 B CN 102868464B CN 201210340361 A CN201210340361 A CN 201210340361A CN 102868464 B CN102868464 B CN 102868464B
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Abstract
The invention discloses a consistency testing system and method of communication terminals. The testing system comprises communication terminals to be tested, a computer, four testing instruments, namely an integrated tester for consistency testing, a spectrometer, an analog signal source and a vector signal source, and a radio frequency control cabinet, wherein each testing instrument is connected with a controllable radio frequency channel of the radio frequency control cabinet by a radio frequency line and further connected with the communication terminals to be tested by the controllable radio frequency channel and is also connected with the computer by a busbar. According to the invention, the radio frequency control cabinet is used for automatically controlling a plurality of testing instruments to be connected with the communication terminals to be tested, so that the consistency testing of the communication terminals can be conveniently realized by using the traditional testing instruments, the testing performance is improved and the testing cost is reduced.
Description
Technical field
The present invention relates to communication terminal measuring technology, specifically, relate to communication terminal consistency testing system and method for testing.
Background technology
For ensureing product quality, the production line of communication terminal before dispatching from the factory all needs to carry out the test about performance index.For 3G communication terminal, the specification of demand fulfillment 3GPP before dispatching from the factory, therefore, needs to carry out uniformity test to it, realizes testing in detail, comprehensively its transmitter characteristic, receiver identity, data service etc.
At present, the production line of general communication terminal can only carry out RF(radio frequency to communication terminal) calibration and the test of common performance index, cannot test for other indexs required in 3GPP specification.For completing the uniformity test of communication terminal, communication terminal manufacturer needs Entrusted authentication laboratory to test, and not only testing expense is expensive, and test speed is limited to the testing progress of accredited laboratory, and testing efficiency is low.And, tester and designer's interactivity poor, can not Timeliness coverage and revise test in problem, real-time is lower.
Summary of the invention
An object of the present invention is to provide a kind of communication terminal consistency testing system, this test macro utilizes radio frequency control cabinet automatically to control the connection of multiple test instrumentation and communication terminal to be tested, thus existing test instrumentation can be utilized to realize the uniformity test of communication terminal easily.
For achieving the above object, test macro of the present invention adopts following technical proposals to be achieved:
A kind of communication terminal consistency testing system, comprise communication terminal to be tested, computer and uniformity test comprehensive test instrument, frequency spectrograph, simulation signal generator and vector signal source four test instrumentations, also include radio frequency control cabinet, every platform test instrumentation is connected with a controllable radio frequency passage of radio frequency control cabinet by radio frequency line on the one hand, and then be connected with communication terminal to be tested through controllable radio frequency passage, be connected with computer by bus on the other hand.
Test macro as above, described controllable radio frequency passage comprises the public terminal being arranged on the radio-frequency channel be connected on radio frequency control cabinet, with described test instrumentation and selecting terminal and be connected with described communication terminal to be tested, radio-frequency channel selects terminal to be connected by radio-frequency (RF) switch with public terminal, and the control end of radio-frequency (RF) switch is connected with described computer.
Test macro as above, affects test performance for avoiding signal excessive, described radio-frequency channel select terminal be also provided with between described public terminal be connected with computer, the signal attenuator of selectively unlocking under control of the computer.
Consistency testing system as above, the radio-frequency channel that described radio-frequency (RF) switch control cabinet is connected with frequency spectrograph selects terminal also to select terminal to be connected, so that carry out performance adjustment to test instrumentation respectively by the radio-frequency channel that the radio-frequency (RF) switch be arranged in radio-frequency (RF) switch control cabinet and radio-frequency (RF) switch control cabinet are connected with described simulation signal generator and described vector signal source.
Consistency testing system as above, for realizing the automatic fitration to signal, described test macro also includes the signal filter be connected with described radio-frequency (RF) switch control cabinet, the radio-frequency channel that radio-frequency (RF) switch control cabinet is connected with the signal input part of signal filter select terminal by be arranged in series radio-frequency (RF) switch in radio-frequency (RF) switch control cabinet and band selector respectively with radio-frequency (RF) switch control cabinet on described comprehensive test instrument, described simulation signal generator, the radio-frequency channel that described vector signal source and described communication terminal to be tested are connected selects terminal to be connected, and the radio-frequency channel that radio-frequency (RF) switch control cabinet is connected with the signal output part of signal filter selects terminal to select terminal to be connected by radio-frequency (RF) switch with the radio-frequency channel that radio-frequency (RF) switch control cabinet is connected with described frequency spectrograph.
Two of object of the present invention is to provide a kind of communication terminal conformance test method, this method of testing is based on test macro described above, with existing test instrumentation and simple process implementation to the uniformity test of communication terminal, improve testing efficiency, reduce testing cost.
For achieving the above object, method of testing of the present invention adopts following technical proposals to realize:
A kind of communication terminal conformance test method based on test macro described above, treat testing communication terminal when carrying out uniformity test, the radio-frequency channel of described radio frequency control cabinet is controlled according to uniformity test information, the radio-frequency channel conducting that test instrumentation needed for order test is corresponding, corresponding test instrumentation is set up radio frequency with communication terminal to be tested and is connected, and the radio-frequency channel making other test instrumentations corresponding disconnects, corresponding test instrumentation disconnects and being connected with the radio frequency of communication terminal to be tested, utilize the test instrumentation setting up radio frequency connection to treat testing communication terminal and carry out uniformity test.
Method of testing as above is improve test speed, before the radio-frequency channel controlling described radio frequency control cabinet, also comprises step uniformity test information be written in communication terminal internal memory to be tested.
Method of testing as above, for improving the opening of detecting information and the maintainability of test program, described detecting information exists with script file form, be written to after in communication terminal internal memory to be tested, first analyzing script file, then treats testing communication terminal according to detecting information and required test instrumentation and tests.
Method of testing as above, for realizing dynamic load test program in test process, improving test program durability, reduce overlapping development, reducing and safeguard and development cost, when treating testing communication terminal and testing, first the input in detecting information, output parameter initialization is called, then the test program that dynamic load stores with modular form from test program storehouse, realizes the test to communication terminal.
Method of testing as above, for ease of the renewal at any time of script file and the use to different communication terminal, described script file is preferably stored in external storage.
Compared with prior art, advantage of the present invention and good effect are: by arranging the consistency testing system with radio frequency control cabinet, the instruction that can be sent by computer is controlled one or more test instrumentation and automatically sets up radio frequency by radio frequency path and communication terminal to be tested and be connected, realize the uniformity test that the collaborative work of many instrument could realize, avoid the artificial frequent complexity, the problem such as efficiency is low, error rate is high that switch instrument, extend test event, improve the utilance of existing test instrumentation, reduce uniformity test cost.
After reading the specific embodiment of the present invention by reference to the accompanying drawings, the other features and advantages of the invention will become clearly.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of a communication terminal consistency testing system of the present invention embodiment;
Fig. 2 is the structural representation of a radio frequency control cabinet embodiment in Fig. 1 embodiment;
Fig. 3 is the flow chart of a communication terminal conformance test method of the present invention embodiment.
Embodiment
Below in conjunction with the drawings and specific embodiments, technical scheme of the present invention is described in further detail.
Please refer to the embodiment of the communication terminal consistency testing system of the present invention shown in Fig. 1 and Fig. 2, wherein, Fig. 1 is the structured flowchart of this embodiment test macro, and Fig. 2 is the structural representation of radio frequency control cabinet in this test macro.
As shown in Figure 1, the test macro of this embodiment comprises communication terminal 1 to be tested, computer 7 and four test instrumentations for uniformity test, is respectively comprehensive test instrument 3, vector signal source 4, simulation signal generator 5 and frequency spectrograph 6.In addition, a radio frequency control cabinet 2 is also included.Wherein, radio frequency control cabinet 2 has multiple controllable radio frequency passage, every platform test instrumentation is connected with a controllable radio frequency passage of radio frequency control cabinet 2 by radio frequency line on the one hand, and then be connected with communication terminal 1 to be tested through this controllable radio frequency passage, be connected with computer 7 by gpib bus on the other hand.And, computer 7 is also connected with communication terminal 1 to be tested with radio frequency control cabinet 2 respectively by gpib bus, can either radio-frequency channel in radio frequency control cabinet 2 or other controllable devices control, can also with communication terminal 1 to be tested by bus transfer detecting information, test instruction etc., so that realize the non-signaling test of communication terminal, improve test speed.
This embodiment is by arranging radio frequency control cabinet 2, and utilize computer 7 radio frequency control cabinet 2 to control, multiple stage test instrumentation can be made optionally to set up or disconnect radio frequency with communication terminal 1 to be tested according to user demand be connected, and then realize utilizing different test instrumentation to treat object that testing communication terminal 1 performs the test of different test event, finally complete the uniformity test comprising multiple test event.
In addition, for limiting entering signal in frequency spectrograph 6, the radio frequency control cabinet 2 of this embodiment is also provided with signal filter 8, the output signal can treating testing communication terminal 1, comprehensive test instrument 3, vector signal source 4 and simulation signal generator 5 is filtered, ensure that the signal only satisfied condition enters into frequency spectrograph 6, specifically refer to Fig. 2 and the following description to Fig. 2.
Radio frequency control cabinet 2 specifically can adopt structure as shown in Figure 2.
As shown in Figure 2, radio frequency control cabinet 2 is provided with four radio-frequency channels and selects terminal SA, SS, ASG, a DSG and public terminal UE, each radio-frequency channel selects terminal to be used for connection test instrumentation, and public terminal is used for being connected with communication terminal to be tested.And each radio-frequency channel selects terminal to be connected by radio-frequency (RF) switch with public terminal and to form controllable radio frequency passage.Specifically, in this embodiment, frequency spectrograph 6 selects terminal SA to be connected by radio frequency line with the radio-frequency channel of radio frequency control cabinet 2, and radio-frequency channel selects terminal SA to be connected with public terminal UE by the radio-frequency (RF) switch SW3 in radio frequency control cabinet 2, forms the controllable radio frequency passage of frequency spectrograph 6; Simulation signal generator 5 selects terminal ASG to be connected by radio frequency line with the radio-frequency channel of radio frequency control cabinet 2, and radio-frequency channel selects terminal ASG to be connected with public terminal UE by the radio-frequency (RF) switch SW2 in radio frequency control cabinet 2, form the controllable radio frequency passage of simulation signal generator 5; Vector signal source 4 selects terminal DSG to be connected by radio frequency line with the radio-frequency channel of radio frequency control cabinet 2, and radio-frequency channel selects terminal DSG to be connected with public terminal UE by the radio-frequency (RF) switch SW1 in radio frequency control cabinet 2, form the controllable radio frequency passage of vector signal source 4; Comprehensive test instrument 3 selects terminal SS to be connected by radio frequency line with the radio-frequency channel of radio frequency control cabinet 2, and radio-frequency channel selects terminal SS can be connected with public terminal UE by radio-frequency (RF) switch or directly, forms the controlled or direct-connected radio-frequency channel of comprehensive test instrument 3.In this embodiment, due in uniformity test process, no matter testing any project, all need comprehensive test instrument, therefore, for simplifying structure and the control procedure of radio frequency control cabinet 2, selecting radio-frequency channel to select the direct structure be connected with public terminal UE of terminal SS.Certainly, these two terminals directly also can adopt the form that radio-frequency (RF) switch is connected.And, the control end of radio-frequency (RF) switch SW1, SW2 and SW3 is all connected by bus with computer 7, conducting or shutoff under the control of computer 7, to realize automatic conducting and the shutoff of each test instrumentation radio-frequency channel, improve test instrumentation switch speed and terminal test speed.
Consider that overflow can affect test performance, this embodiment is also selected on the radio-frequency channel between terminal SS and public terminal UE in radio-frequency channel, radio-frequency channel is selected the radio-frequency channel between terminal ASG and DSG and public terminal UE is provided with signal attenuator A2 and A1, signal attenuator can under the control of computer 7 selectively unlocking.If signal is excessive, then controls corresponding signal attenuator and open, signal is decayed; If do not need to decay to signal, then shutdown signal attenuator, makes signal directly transmit without decay.
For producing the vector signal source 4 of vector disturbance signal and producing the simulation signal generator 5 of simulaed interference signal, in order to ensure the accurate of interference signal, often need before test to debug.Self-debugging is carried out in order to utilize test macro resource, in the radio frequency control cabinet 2 of this embodiment, radio-frequency channel selects terminal SA also to select terminal DSG with ASG to be connected with radio-frequency (RF) switch SW2 with radio-frequency channel respectively by signal attenuator A3 and radio-frequency (RF) switch SW1, and then vector signal source 4 can be connected with frequency spectrograph 6 with simulation signal generator 5, realize the debugging of test macro build-in test instrument.
In addition, the radio frequency control cabinet 2 of this embodiment is also provided with two radio-frequency channels be connected with signal filter 8 and selects terminal FIL1 and FIL2, wherein FIL1 is connected with the signal input part of signal filter 8, and FIL2 exports with the signal of signal filter 8 and is connected.In radio frequency control cabinet 2, radio-frequency channel selects terminal ASG and DSG to be connected with band selector B1 with SW1 respectively by radio-frequency (RF) switch SW2, and then selects terminal FIL1 to be connected through band selector B1 and single-pole double throw RF switch SW4 with radio-frequency channel; Radio-frequency channel selects terminal SS to select terminal FIL1 to be connected through band selector B1 and radio-frequency (RF) switch SW4 with radio-frequency channel; Public terminal UE selects terminal FIL1 to be connected by band selector B2 and radio-frequency (RF) switch SW4 with radio-frequency channel.And radio-frequency channel selects terminal FIL2 to select terminal SA to be connected by radio-frequency (RF) switch SW4 and radio-frequency (RF) switch SW3 with radio-frequency channel.By selecting different band selector B1 and B2, the signal sent from comprehensive test instrument 3, vector signal source 4, simulation signal generator 5 and communication terminal to be tested 1 can be filtered, ensure that the signal only within the scope of allocated frequency band can enter into frequency spectrograph 6, and the signal of other frequencies will be filtered out, ensure signal transacting precision and speed.
By arranging radio-frequency devices and the circuit of suitable frequency range in radio frequency control cabinet 2, can to employing different systems, the communication terminal as WCDMA, HSDPA, CDMA2000 etc. carries out uniformity test.
Adopting the test macro of this embodiment to carry out the Method and Process of uniformity test to communication terminal can with reference to shown in figure 3 and the following description to Fig. 3.
Please refer to Fig. 3, the figure shows the flow chart of a communication terminal conformance test method of the present invention embodiment, the test macro shown in the method application drawing 1 and Fig. 2 carries out uniformity test to communication terminal.
As shown in Figure 3, consistency testing system uniformity test is carried out to communication terminal process is applied as follows:
Step 301: uniformity test starts.
Step 302: by each test instrumentation of computer initialization and radio frequency control cabinet.
After initialization completes, consider that comprehensive test instrument is a necessary test instrumentation, therefore, the radio-frequency channel init state of radio frequency control cabinet 2 can be set to the radio-frequency channel closedown of the radio-frequency channel conducting of comprehensive test instrument 3, other test instrumentations.Accordingly, the init state of configuration vector signal source 4, simulation signal generator 5 and frequency spectrograph 6 is closed condition, and the init state of comprehensive test instrument 1 is for waiting for communication terminal registration.
Step 303: communication terminal start-up logging.
After communication terminal start, be connected to by radio frequency line on the public terminal of radio frequency control cabinet 2, then carry out registration with comprehensive test instrument 1 and be connected.
Step 304: script file is write to communication terminal and resolves, obtains detecting information.
In this embodiment, test event title, test mark, the detecting informations such as test input/output argument store separately independent of communication terminal source code with script file form, as being stored in external storage, when testing communication terminal just read and analyzing script file to obtain corresponding detecting information, improve the opening of detecting information on the one hand, be beneficial to third-party exploitation and use, on the other hand, if be only that the configuration of test event or test parameter changes, only need to revise script file, without the need to again writing, compile source code, improve the maintainability of program, reduce software development cost.In addition, script file has directly reacted the hardware configuration of communication terminal, without the need to safeguarding separately hardware module test chart, is convenient to the monitoring of production management and test.
And, test speed is affected for avoiding frequent file reading from external storage, script file is preferably written in the internal memory of communication terminal to be tested by this embodiment, in internal memory, carry out dissection process to script file, the detecting information required for final acquisition.
Step 305: control radio frequency control cabinet according to detecting information, the test instrumentation needed for selection and communication terminal are set up radio frequency and be connected.
Test event in detecting information and content can reflect which test instrumentation of test needs, computer can control the radio-frequency channel of radio frequency control cabinet according to detecting information, the radio-frequency channel conducting that test instrumentation needed for order test is corresponding, corresponding test instrumentation is set up radio frequency with communication terminal to be tested and is connected, and the radio-frequency channel making other test instrumentations corresponding disconnects, corresponding test instrumentation disconnects and being connected with the radio frequency of communication terminal to be tested.
For example, if perform maximum transmission power test to communication terminal, need to verify that the maximum transmission power error of communication terminal is no more than tolerance value, avoid terminal maximum transmission power excessive and disturb other channels or system, or reducing coverage because maximum transmission power is too small.For this index test, only need to use comprehensive test instrument 3, therefore, computer 7 by sending controling instruction to radio frequency control cabinet 2, the radio-frequency channel of conducting comprehensive test instrument 3 and disconnect other radio-frequency channels, makes only have comprehensive test instrument 3 to set up radio frequency with communication terminal 1 to be tested and is connected.
If perform communication terminal and launch intermodulation testing process, need to use comprehensive test instrument 3, frequency spectrograph 6 and vector signal source 4, now, computer 7 by sending controling instruction to radio frequency control cabinet 2, the radio-frequency channel that this three instrument of conducting are corresponding, disconnect the radio-frequency channel of simulation signal generator 5, make comprehensive test instrument 3, frequency spectrograph 6 can set up radio frequency with communication terminal 1 to be tested with vector signal source 4 and be connected, to perform the test of launching intermodulation to communication terminal.
Step 306: utilize test instrumentation to test communication terminal, and output test result.
Select corresponding test instrumentation and communication terminal to be tested to set up after radio frequency is connected, first call input that in detecting information, test event is corresponding, output parameter, and initialization is carried out to parameter; Then, the test program that dynamic load stores with modular form from test program storehouse, performs test action.
Test program required for test is stored together by this embodiment in modular form, forms a test program storehouse.In use, test which module, just from test program storehouse dynamic call its test required for test program, control corresponding module action, perform test function.Due to by test program modularized design and storage, adopting when testing the mode of dynamic load to transfer use, being convenient to maintenance and the exploitation of test program, be conducive to the durability improving program code, reduce development and maintenance cost.
In test process, if which index test does not pass through, the processing procedure terminating test or continue the next item down test automatically can be carried out according to the condition arranged.
Step 307: tested, controls radio frequency control cabinet 2, disconnects test instrumentation and is connected with the radio frequency of communication terminal, discharge corresponding test instrumentation resource.
Step 308: testing process terminates.
Above embodiment only in order to technical scheme of the present invention to be described, but not is limited; Although with reference to previous embodiment to invention has been detailed description, for the person of ordinary skill of the art, still can modify to the technical scheme described in previous embodiment, or equivalent replacement is carried out to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of the present invention's technical scheme required for protection.
Claims (8)
1. a communication terminal consistency testing system, it is characterized in that, comprise communication terminal to be tested, computer and uniformity test comprehensive test instrument, frequency spectrograph, simulation signal generator and vector signal source four test instrumentations, also include radio frequency control cabinet, every platform test instrumentation is connected with a controllable radio frequency passage of radio frequency control cabinet by radio frequency line on the one hand, and then be connected with communication terminal to be tested through controllable radio frequency passage, be connected with computer by bus on the other hand;
Described controllable radio frequency passage comprises the public terminal being arranged on the radio-frequency channel be connected on radio frequency control cabinet, with described test instrumentation and selecting terminal and be connected with described communication terminal to be tested, radio-frequency channel selects terminal to be connected by radio-frequency (RF) switch with public terminal, and the control end of radio-frequency (RF) switch is connected with described computer;
The radio-frequency channel that described radio frequency control cabinet is connected with described frequency spectrograph selects terminal also to select terminal to be connected respectively by the radio-frequency channel that the radio-frequency (RF) switch be arranged in radio frequency control cabinet and radio frequency control cabinet are connected with described simulation signal generator and described vector signal source.
2. consistency testing system according to claim 1, is characterized in that, described radio-frequency channel select terminal be also provided with between described public terminal be connected with computer, the signal attenuator of selectively unlocking under control of the computer.
3. consistency testing system according to claim 1, it is characterized in that, described test macro also includes the signal filter be connected with described radio frequency control cabinet, the radio-frequency channel that radio frequency control cabinet is connected with the signal input part of signal filter select terminal by be arranged in series radio-frequency (RF) switch in radio frequency control cabinet and band selector respectively with radio frequency control cabinet on described comprehensive test instrument, described simulation signal generator, the radio-frequency channel that described vector signal source and described communication terminal to be tested are connected selects terminal to be connected, and the radio-frequency channel that radio frequency control cabinet is connected with the signal output part of signal filter selects terminal to select terminal to be connected by radio-frequency (RF) switch with the radio-frequency channel that radio frequency control cabinet is connected with described frequency spectrograph.
4. the communication terminal conformance test method based on the test macro according to any one of the claims 1 to 3, it is characterized in that, treat testing communication terminal when carrying out uniformity test, the radio-frequency channel of radio frequency control cabinet is controlled according to uniformity test information, the radio-frequency channel conducting that test instrumentation needed for order test is corresponding, corresponding test instrumentation is set up radio frequency with communication terminal to be tested and is connected, and the radio-frequency channel making other test instrumentations corresponding disconnects, corresponding test instrumentation disconnects and being connected with the radio frequency of communication terminal to be tested, utilize the test instrumentation setting up radio frequency connection to treat testing communication terminal and carry out uniformity test.
5. method of testing according to claim 4, is characterized in that, before the radio-frequency channel controlling described radio frequency control cabinet, also comprises step uniformity test information be written in communication terminal internal memory to be tested.
6. method of testing according to claim 5, it is characterized in that, described detecting information exists with script file form, is being written to after in communication terminal internal memory to be tested, first analyzing script file, then treats testing communication terminal according to detecting information and required test instrumentation and tests.
7. method of testing according to claim 6, it is characterized in that, treat testing communication terminal when testing, first the input in detecting information, output parameter initialization is called, then the test program that dynamic load stores with modular form from test program storehouse, realizes the test to communication terminal.
8. the method for testing according to claim 6 or 7, is characterized in that, described script file is stored in external storage.
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| CN104539377B (en) * | 2014-12-16 | 2017-05-24 | 上海原动力通信科技有限公司 | Calibrating device, system and method |
| CN111314538A (en) * | 2015-07-14 | 2020-06-19 | 苹果公司 | Mobile phone and instrument control method and system using same |
| CN106487455B (en) * | 2015-08-28 | 2019-05-31 | 上海汽车集团股份有限公司 | System and method and radio frequency test system for being adjusted to radio frequency testing |
| CN108173702B (en) * | 2016-12-07 | 2021-03-16 | 腾讯科技（深圳）有限公司 | Mobile equipment performance evaluation method, device, client and system |
| CN108833029A (en) * | 2018-05-30 | 2018-11-16 | 中国电力科学研究院有限公司 | A kind of 1800M RF consistency transmitting intermodulation testing method and device |
| CN114070427B (en) * | 2021-09-29 | 2024-04-05 | 杭州永谐科技有限公司 | Terminal test system based on reverberation room environment |
| CN115941537B (en) * | 2023-02-16 | 2023-06-13 | 信通院(江西)科技创新研究院有限公司 | 5G terminal consistency test method, system, storage medium and equipment |
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| CN101437261A (en) * | 2008-12-26 | 2009-05-20 | 北京五龙电信技术公司 | Radio frequency test system for mobile communication terminal |
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