CN208539913U - The test device of communication equipment - Google Patents
The test device of communication equipment Download PDFInfo
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- CN208539913U CN208539913U CN201821051262.0U CN201821051262U CN208539913U CN 208539913 U CN208539913 U CN 208539913U CN 201821051262 U CN201821051262 U CN 201821051262U CN 208539913 U CN208539913 U CN 208539913U
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Abstract
The utility model provides a kind of test device of communication equipment, which includes: cloud server, for being instructed according to the test of first object test item, calls the corresponding default generation module of first object test item, generates the first test signal；Or cloud digital signal is received, according to cloud digital signal, calls the corresponding default processing module of the second target detection project to handle cloud digital signal, obtain test result；First test signal is converted to the first RF test signal, the first RF test signal is sent to Devices to test by electric meter for receiving the first test signal；Or the second RF test signal of the second target detection project that Devices to test is sent is received, the second RF test signal is converted into cloud digital signal.Above-mentioned technical proposal reduces the cost of communication equipment test, improves the efficiency and flexibility of communication equipment test.
Description
Technical field
The utility model relates to equipment the field of test technology, in particular to a kind of test device of communication equipment.
Background technique
To guarantee product, equipment and availability, reliability, interoperability and the function and performance of system, in design, life
It the links such as produces, deliver, using and requiring various tests to confirm.According to the rule of communications field international organization and various countries
It is fixed, and many communicating equipment products (such as: communication base station, terminal etc.) it needs before entering market through a series of test.This
A little testing needles test to the various functions of communicating equipment product, performance, safety etc., and qualified product can be into after tested
Enter market.In the test of communicating equipment product, for the test of equipment communication protocol and radio-frequency performance, due to being related to complexity
Protocol interaction and distinctive signal the processes such as generation, processing, measurement, therefore usually require using complicated analyzer table
It carries out.
Currently, most dependence test is carried out using general integrated instrument (scheme that self contained instrument adds option).Existing rank
Section, common test equipment be the self-contained unit to combine (in spite of test macro it is very complicated), test signal
Generation, acquisition, processing, storage, result present etc. modules all concentrated in a self-contained unit substantially, in spite of test system
System has network connecting function, but the function of being realized is confined to the configuration of the transmission of test result data, partial test parameter,
In general, mode existing for " autonomous system " is still fallen within.For example, as shown in Figure 1, in test EUT (Equipment Under
Test, equipment under test) emitting performance when, usually using VSA (Vector Signal Analyzer, Vector Signal Analyzer)
The EUT signal issued is analyzed and measured；And when testing the receptivity of EUT, usually using VSG (Vector
Signal Generator, vector signal generator) particular test signal is issued for testing.As seen from Figure 1, in this way
Implementation in, test instrumentation not only need to complete the conversion (such as: digital-to-analogue, analog-to-digital conversion) of signal, conditioning (such as: frequency
Rate transformation), the electrical installations such as send, receive, it is also necessary to realize generation (such as: generating vector disturbance signal), the processing of signal
(such as: verifying the configuration correctness of equipment under test), decoding, measurement (such as analyze the processing of test signal, obtain test knot
Fruit) etc. science and engineering make.Since each general purpose instrument needs to take into account a variety of communication standards (such as GSM, CDMA, LTE, WIFI)
The analysis method of the test of equipment, each standard signal is not identical, (can select different journeys in the form of option in usual instrument
Sequence) support tested various communication standards is provided.When needing to be implemented the test of specific standard, need to buy corresponding option
It is placed in instrument, can use.
Therefore, existing self contained instrument adds the scheme of option to have following several disadvantages:
1, at high cost, using flexible is poor: for the manufacturer of instrument, in addition to needing comprising institute in every instrument
Electronic device needed for having signal transmitting and receiving, while must also have powerful processing function.This make instrument hardware cost itself,
Volume and weight is high.For a user, it in addition to purchasing meter hardware, also needs to purchase corresponding function to execute test
Energy option (algorithm, program), this aspect increase the use cost of user, on the other hand, due to meter hardware and function (choosing
Part) it is binding, the difficulty of resource allocation also is brought to user, flexibility is poor.
2, process resource is insufficient: present communication standard and agreement become increasingly complex, and the corresponding algorithm of many standards is to processing
Capability Requirement is high, and the process resource of local instrument is difficult to meet corresponding process demand.With the progress of the communication technology, compile
Code/modulation system is increasingly sophisticated, this problem will be displayed more highlightedly in the near future, and process resource deficiency is also led
The decline of testing efficiency is caused.
Utility model content
The utility model embodiment provides a kind of test device of communication equipment, to reduce communication equipment test at
This, improves the efficiency and flexibility of communication equipment test, which includes:
Cloud server, the test for receiving first object test item are instructed, are instructed according to the test, calling the
The corresponding default generation module of one target detection project generates the corresponding first test signal of first object test item, by institute
State the sending of the first test signal；Or cloud digital signal is received, according to cloud digital signal, call the second target detection project pair
The default processing module answered handles cloud digital signal, obtains test result；
First test signal is converted to the first radio frequency testing letter for receiving the first test signal by electric meter
Number, first RF test signal is sent to Devices to test；Or receive the second target detection project that Devices to test is sent
The second RF test signal, by second RF test signal be converted to the second target detection project cloud number believe
Number, the cloud digital signal is issued.
Compared with the testing scheme of general purpose instrument in the prior art, in scheme provided by the embodiment of the utility model, electricity
Only retain traditional electric part in gas instrument, i.e., only transmits/receives front end, signal conversion circuit and and cloud comprising radio frequency
First test signal is converted to the first radio frequency testing letter to receive the first test signal by three parts of module for holding communication
Number, the first RF test signal is sent to Devices to test；Or receive the of the second target detection project for sending of Devices to test
Second RF test signal is converted to the cloud digital signal of the second target detection project, by cloud by two RF test signals
Digital signal issues.By all contents relevant to signal processing, be both placed in cloud progress: cloud server receives the first mesh
The test instruction for marking test item, instructs according to test, calls the corresponding default generation module of first object test item, generates
The corresponding first test signal of first object test item, the first test signal is issued；Or cloud digital signal is received, according to
Cloud digital signal is called the corresponding default processing module of the second target detection project to handle cloud digital signal, is obtained
To test result.
The test structure of electric meter is added to test communication equipment using above-mentioned cloud server, electric meter cost
Decline, and instrument use will not be built algorithm/software and be constrained, and be carried out involved in test analysis by cloud server
Processing work, increase process resource, improve communication equipment test testing efficiency and flexibility.
Detailed description of the invention
Attached drawing described herein is used to provide a further understanding of the present invention, and is constituted part of this application,
The restriction to the utility model is not constituted.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of the test device of communication equipment in the prior art；
Fig. 2 is the structural schematic diagram of the test device of communication equipment in the utility model embodiment；
Fig. 3 is the structural schematic diagram of the test device of communication equipment in another embodiment of the utility model；
Fig. 4 is the structural schematic diagram of cloud server in the utility model embodiment.
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, below with reference to embodiment and attached
Figure, is described in further details the utility model.Here, the exemplary embodiment and its explanation of the utility model are for solving
The utility model is released, but is not intended to limit the scope of the present invention.
The abbreviation that the utility model embodiment is related to first before introducing the utility model embodiment and crucial art
Language definition is introduced:
1, RF:Radio Frequency, radio frequency refer to the electromagnetic signal of 300kHz -300GHz frequency.
2, VSG:Vector Signal Generator, vector signal generator are penetrated for generating and issuing various standards
Frequency signal, the instrument for test.
3, VSA:Vector Signal Analyzer, Vector Signal Analyzer are penetrated for analyzing and measuring various standards
The test instrumentation of frequency signal.
4, option: for the generation and analysis of specific standard signal, to realize related algorithm in be included in instrument
Software.
5, EUT/DUT:Equipment/Device Under Test, equipment under test are referred to as Devices to test.
Inventor find the existing instrumentation that communication equipment is tested there are the problem of: instrument hardware cost itself
Height, volume is big and weight is big.For a user, it in addition to purchasing meter hardware, also needs to purchase corresponding function to execute test
Energy option (algorithm, software program), this aspect increase the use cost of user, on the other hand, due to meter hardware and function
Energy (option) is binding, also brings the difficulty of resource allocation to user.In addition, communication standard and agreement are more and more multiple now
Miscellaneous, the corresponding algorithm of many communication standards requires processing capacity high, and the process resource of instrument local is difficult to meet accordingly
Process demand.
Although have manufacturers to be proposed at present manages meter status, test plan and the storage test number on cloud on cloud
According to the technology of (including test result).But it is not related to the processing to initial data.Due in this scenario, the survey of instrument
Amount result is still in the completion of local instrument.The information and state of instrument, and the data after being measured only are stored on cloud.
Such scheme, can not still solve the problems, such as local instrumentation op scarce capacity, can not also solve at high cost, upgrading hardly possible ask
Topic.
Due to consideration that above-mentioned technical problem, inventors herein proposes and a kind of utilize the excellent of cloud storage and data processing
Gesture solves the problems, such as above in communication test, compression verification installation cost, the ability and function of expansion and enhancing instrument system
Technical solution.The testing scheme of communication equipment provided by the embodiment of the utility model is a kind of instrument framework based on cloud,
The framework obtains data using Lacal Head End (electric meter), sends data to cloud (cloud server) and carries out data processing
And storage, or operation/storage is completed beyond the clouds, Lacal Head End directly acquires analysis and processing result data, and completes to survey using it
Examination.It describes in detail below to the testing scheme of the communication equipment.
Fig. 2 is the structural schematic diagram of the test device of communication equipment in the utility model embodiment, as shown in Fig. 2, the dress
It sets and includes:
Cloud server 02, the test for receiving first object test item instruct, are instructed according to the test, call the
The corresponding default generation module of one target detection project generates the corresponding first test signal of first object test item, by this
First test signal issues；Or cloud digital signal is received, according to the cloud digital signal, call the second target detection project pair
The default processing module answered handles cloud digital signal, obtains test result；
First test signal is converted to the first radio frequency testing for receiving above-mentioned first test signal by electric meter 04
First RF test signal is sent to Devices to test by signal；Or receive the second target detection project that Devices to test is sent
The second RF test signal, which is converted to the cloud digital signal of the second target detection project,
Cloud digital signal is issued.
Compared with the testing scheme of general purpose instrument in the prior art, in scheme provided by the embodiment of the utility model, electricity
Only retain traditional electric part in gas instrument, i.e., only transmits/receives front end (receive that Devices to test sends the comprising radio frequency
First RF test signal is sent to Devices to test by the second RF test signal of two target detection projects), signal turn
Circuit is changed (the first test signal to be converted to the first RF test signal, second RF test signal is converted to second
The cloud digital signal of target detection project) and communicated with cloud module (receive it is described first test signal, by the cloud
Digital signal is held to issue) the first test signal to receive the first test signal is converted to the first radio frequency testing by three parts
First RF test signal is sent to Devices to test by signal；Or receive the second target detection project that Devices to test is sent
Second RF test signal is converted to the cloud digital signal of the second target detection project, by cloud by the second RF test signal
Digital signal is held to issue.By all contents relevant to signal processing, be both placed in cloud progress: cloud server receives first
The test of target detection project instructs, and is instructed according to test, calls the corresponding default generation module of first object test item, raw
At the corresponding first test signal of first object test item, the first test signal is issued；Or receive cloud digital signal, root
According to cloud digital signal, the corresponding default processing module of the second target detection project is called to handle cloud digital signal,
Obtain test result.
The test structure of electric meter is added to test communication equipment using above-mentioned cloud server, electric meter cost
Decline, and instrument use will not be built algorithm/software and be constrained, and be carried out involved in test analysis by cloud server
Processing work, increase process resource, improve communication equipment test testing efficiency and flexibility.
When it is implemented, only retaining integration testing in electric meter in technical solution provided by the embodiment of the utility model
Signal conversion part in instrument point and receiving and transmitting front end, i.e., electric meter reception, transmission, modulation (digital-to-analogue conversion, analog-to-digital conversion with
And frequency-conversion processing) etc. traditional electrical features can use existing hardware realization, such as receive, sending function
It is realized using the radio receiving transmitting module of similar mobile phone, digital-to-analogue conversion, analog-to-digital conversion also can use existing digital-to-analogue conversion electricity
Existing frequency changer circuit can also be used to realize in road, analog to digital conversion circuit, frequency-conversion processing.The utility model divides all with test
Relevant content is analysed, cloud progress is both placed in, that is, cloud server stores (the default life of a variety of test item object programs
At module, processing module is preset), cloud server can be called, and the method for calling also can use existing side
Method realizes that the utility model mainly improves traditional integrated morphology, i.e., above-mentioned improvement framework: by traditional electricity
Gas part is realized by electric meter 02, by all contents relevant to test analysis, is both placed in cloud progress, is passed through cloud
Server calls realize test item, and therefore, the utility model protects improved framework, and related software part can be by existing
Method realize.
When it is implemented, default generation module can be existing in technical solution provided by the embodiment of the utility model
Signal generates program, algorithm, software, and default processing module can be processing analysis program, the calculation that existing signal measurement is related to
Method, software.
When it is implemented, all software programs relevant to communication equipment test are placed in cloud server, that is to say, that
Cloud server stores the relevant program of a variety of test items (default generation module and default processing module), according to specific
Target detection project is called.
When it is implemented, first object test item can be test item (the particular radio-frequency letter used as signal source
Number generation and transmitting), specifically can be device under test receiver performance test project, such as: device under test
Receiver carries out the project of radio-frequency performance test, the receiver of device under test carries out the project of intermodulation testing, device under test
Receiver carries out the project of the anti-interference blocking test of radio frequency or the receiver of device under test carries out the anti-interference C/I test of radio frequency
Project etc..Correspondingly, the first test signal can be the corresponding digital baseband signal of radiofrequency signal pending.
When it is implemented, the second target detection project can be the test item that uses as signal analyzer, (reception is penetrated
Digital baseband signal made of the conversion of frequency signal), the transmitter that specifically can be device under test carries out radio-frequency performance test
Project or device under test transmitter carry out frequency domain or the project of waving map etc..Correspondingly, the second test signal can be with
It is digital baseband signal made of receiving radiofrequency signal conversion.
When it is implemented, the operation of (first object test item) is generated and emitted to signal, it can be on the local device
Operation is realized, can also be operated on the arbitrary node (terminal) being connected on network (network that may have access to cloud service).Together
Sample can also be even to showing as a result, can feed back on local device for signal operation processing (the second target detection project)
It is connected on the arbitrary node (terminal) on network (network that may have access to cloud service) and shows and inquire.Specifically, cloud service
Device cloud digital signal according to made of the second RF test signal conversion that Devices to test is sent, calls the second target detection
The corresponding default processing module of project handles cloud digital signal, such as is related to the processing of test analysis, is tested
As a result, the test result may exist cloud server, convenient for management, can also return to tester terminal or electrical instrument
Table, or inquired in any network terminal that may have access to cloud service.Certainly, electric meter sends the first RF test signal
To Devices to test, the receiver of device under test carries out the test result that the test of relevant item obtains, and can return to electrical instrument
The terminal of table or tester are shown to tester, can also finally upload to cloud server and be stored, convenient for subsequent
Analysis, management.
When it is implemented, the test instruction of first object test item may include: that tester selects according to test item
The configuration parameter selected informs the relevant configuration needed using signal, such as the communication standard of target detection project, measured terminal
Deng.Cloud server is instructed according to the test, is called the corresponding default generation module of first object test item, is generated first
The corresponding first test signal of target detection project, such as generate vector and test signal, the first test signal is sent to electrical instrument
First RF test signal made of conversion is sent to be measured by digital-to-analogue conversion using frequency-conversion processing by table, electric meter
Equipment.
When it is implemented, the first test signal, which is referred to as downlink test signal, (is sent to equipment under test by test device
Test signal), the second RF test signal, be referred to as uplink test signal (test device is sent to by equipment under test
Test signal).
With reference to the accompanying drawing 3, (" when testing the emitting performance of EUT, led to vector signal source and Vector Signal Analyzer
It is often used VSA the EUT signal issued is analyzed and measured；And when testing the receptivity of EUT, it is sent out usually using VSG
Out particular test signal be used for test " improvement project) for, illustrate the utility model how embodiment.
As shown in figure 3, the test device for the communication equipment that the example of the utility model provides relates generally to two parts: 1, cloud
Calculating/the storage server (cloud server) at end；2, with corresponding data interface and with the local instrument of EUT interactive interface
(electric meter).Before the test structure only retains the signal conversion part in integration testing instrument point and transmitting-receiving in electric meter
The relevant action of the signal processing of related to test analysis is both placed in cloud progress by end.Cloud and local instrument
Data-interface carry out two-way data transmission.Purpose using this spline structure is several disadvantages of integrated instrument before solving,
It reduces cost, improves flexibility, increase process resource, improve testing efficiency, simplify upgrading and maintenance process, that improves data can
It is provided conveniently by property, and for data management.
When it is implemented, the Meter Test that class occurs for signal works (such as VSG), tester is by terminal or originally
Ground electric meter (such as frame inner part in " the VSG vector signal source " in Fig. 3) sends test instruction to cloud server
The relevant configuration (can be test instruction) needed using signal is informed in (" cloud storage " in such as Fig. 3), the instruction.This
One instruction can local instrument or be connectable to cloud service any terminal issue.Cloud server utilizes (calling) to set
In respective algorithms therein (the corresponding default generation module of first object test item), corresponding test letter is generated according to demand
Number (first test signal).This test signal is subsequently sent to local instrument (electric meter), hard via a series of locals
The conditioning (such as digital-to-analogue conversion in Fig. 3, frequency-conversion processing) of part, is eventually sent to equipment under test.
When it is implemented, the Meter Test for signal measurement class works (such as VSA), local instrument (electric meter, example
Such as the part in " VSA Vector Signal Analyzer " upper ledge in Fig. 3) directly interacted with equipment under test, it is acquired by internal circuit
It needs to measure the signal (the second RF test signal) being related to, and acquisition signal is converted into cloud digital signal, cloud
Digital signal is uploaded on cloud the (" cloud in cloud server, such as Fig. 3 in the form of data flow or data packet
Storage ").Respective algorithms (the corresponding default processing mould of the second target detection project that the server by utilizing in cloud is placed in one
Block), the data of upload are demodulated, are analyzed, handled and measured, the dependence test item to the transmitter of equipment under test is completed
Mesh.Finally, beyond the clouds by measurement result storage, and it is sent to the electric meter of tester or local, such as return to test
Staff terminal or electric meter are shown.
When it is implemented, this reality can also be utilized other than the performance test to communication equipment of above-mentioned VSA and VSG
Other tests are carried out with the test device that new embodiment provides, such as: bluetooth comprehensive test instrument is established loopback with Devices to test and is connect,
The transmitter and receiver of device under test carries out the test of radio-frequency performance project；The transmitter of spectrum analyzer device under test
Carry out the test of frequency domain or time domain project；Vector signal source generates vector disturbance signal and is sent to Devices to test, with analog signal
The mono-tone interference signal that generator generates cooperates the survey of the receiver progress intermodulation project of bluetooth comprehensive test instrument device under test jointly
Examination；Analog signal generator cooperates the survey of the receiver progress anti-interference obstruction project of radio frequency of bluetooth comprehensive test instrument device under test
Examination；Or analog signal generator generates mono-tone interference signal and is sent to Devices to test, the vector generated with vector signal generator
Interference signal cooperates the test of the receiver progress intermodulation project of bluetooth comprehensive test instrument device under test jointly.What these tests were related to
The work such as test signal generates, the test analysis processing, the decoding that are related to carry out on server 02 beyond the clouds, and the tradition being related to is electric
The work such as reception, transmission, frequency conversion, digital-to-analogue analog-to-digital conversion in gas meaning carry out on electric meter 04.
When it is implemented, in server (cloud server) on cloud, include specific function data processing, data it is raw
It at algorithm and/or the data stored, and include the algorithm of corresponding distributed treatment.In the instruction for receiving data processing,
Relevant algorithm and/or data (preset processing module, such as existing algorithm, program) are called, and employ the resource on cloud
Participate in calculation process.Processing result is saved in cloud and/or is sent to local device or tester by after treatment.Under
It is introduced in face of cloud server.
Fig. 4 is the structural schematic diagram of cloud server in the utility model embodiment, as shown in figure 4, the cloud server
Include:
Receiving unit 021, the test for receiving first object test item instruct；Or receive the second target detection project
Cloud digital signal；
First call unit 022 calls the corresponding default life of first object test item for instructing according to the test
At module, the corresponding first test signal of first object test item is generated；
Second call unit 023, for calling the corresponding default place of the second target detection project according to cloud digital signal
Reason module handles cloud digital signal, obtains test result；
Transmission unit 024, for issuing the corresponding first test signal of first object test item.
Inventor is also found existing self contained instrument and the scheme of option is added to exist to option (pre-set programs, such as default life
At module and default processing module) the not convenient disadvantage of upgrade maintenance: communication standard renewal frequency quickly, section communication standard
Test specification may just will be updated half a year or 1 year.Theoretically, after new standard is released, manufacturers are needed all with corresponding
The update upgrading of respective algorithms is carried out in the instrument of option, this is highly difficult.Therefore, software upgrading is at high cost, convenience is poor:
Usual situation, software upgrading needs to scene to carry out, costly.Due to utility model, people considers this problem, proposes
Following technical solution.
In one embodiment, above-mentioned cloud server can be also used for receiving to default generation module and default processing mould
The more new command of block is updated processing to default generation module and processing module according to the more new command.
That is, above-mentioned cloud server can also include: updating unit, for receiving to default generation module and default processing
The more new command of module, and according to the more new command, processing is updated to default generation module and processing module.
When it is implemented, in standard update or upgrading, it is only necessary to corresponding algorithm and/or software are updated beyond the clouds,
Facilitate update and maintenance.In addition, not only including to a certain soft to the more new command of default generation module and default processing module
The upgrading of part also includes increasing corresponding pre-set programs of a test item (default generation module and default processing module) etc..
Above-mentioned update processing can also include: that pre-set programs are increased, delete, upgrade and changed etc. with processing.
Inventor is also found existing self contained instrument and the scheme of option is added to have the shortcomings that data management inconvenience: self contained instrument
It is directly operated by test man mostly, test result also uses manual record.On the one hand such method brings data reliability
The problem of, on the other hand, it is unfavorable for the statistics and analysis of data.Due to utility model, people considers this problem, proposes
Following technical solution.
In one embodiment, above-mentioned cloud server is also used to store the corresponding default generation module of a variety of test items
With default processing module and test result.
That is, above-mentioned cloud server can also include: storage unit, for storing the corresponding default journey of a variety of test items
Sequence (default generation module and default processing module), default data test signal and test result.
When it is implemented, local instrument (electric meter) only contacts initial data (test data of acquisition and the original of input
Beginning test data), all processing/measurement process are realized on cloud.Corresponding test process and data are stored directly in
Yun Shang while the reliability of data gets a promotion, conducive to the statistics and analysis of follow-up data, provides for the application based on data
Convenience.
When it is implemented, cloud server is in addition to there are many corresponding pre-set programs of test item and test results for storage
Except, it can also be stored with default data test signal, the effect and effect for storing default data test signal are: for comparing
The test signal frequently used, can store the test signal for having generated completion beyond the clouds, and when calling can call directly
The data test signal completed is generated, and (can be existing without calling algorithm (pre-set programs) to go to recalculate
Algorithm), improve testing efficiency.
In one embodiment, cloud server further include: return unit, for test result to be returned to tester
Terminal or electric meter.
In one embodiment, electric meter includes: display unit, for showing the test result.
In one embodiment, the test device of above-mentioned communication equipment further include: tester's terminal, it is described for showing
Test result, and the test instruction of first object test item is received, the test of first object test item is instructed and is sent
To cloud server.
When it is implemented, test result is returned to tester's terminal or electrical instrument by return unit by cloud server
Table, tester's terminal or electric meter test result, intuitively feed back to tester, improve flexibility.In addition, test
The test instruction of first object test item can also be sent to cloud server by tester's terminal by personnel.Certainly,
The test instruction of first object test item can also be sent to cloud server by electric meter by tester, be improved
The flexibility of test.
When it is implemented, in local instrument (electrical front end) and appointing for cloud service can be accessed in test result
Network node of anticipating is inquired.In addition, local instrument (electrical front end) can also not show that data are stored on cloud (cloud service
Device), tester can be actively returned to, can also be looked by tester in the arbitrary network node that may have access to cloud service
It askes.Meanwhile as long as the terminal of tester is able to access that cloud service, tester's terminal is not necessarily to and instrument front end is in same object
Manage position.
The structure of electric meter 04 is introduced below.
In one embodiment, above-mentioned electric meter 04 may include:
First data interface unit (data-interface as shown in Fig. 3 top half) will for receiving the first test signal
First test signal issues；Or cloud digital signal is received, the cloud digital signal is issued；Described first, which tests signal, is
Digital signal；
D/A conversion unit (digital-to-analogue conversion as shown in Figure 3), connect with the data interface unit, for receiving first
Signal is tested, the first test signal is converted into the first analog test signal；
Emit conversion radio frequency processing unit (transmitting conversion radio frequency processing as shown in Figure 3), input terminal and the digital-to-analogue turn
The output end connection of unit is changed, the input terminal of the output end and Devices to test that emit conversion radio frequency processing unit connects, and being used for will
First analog test signal is processed into the first RF test signal, is sent to the input terminal of Devices to test.
In one embodiment, above-mentioned electric meter may include:
Reception conversion radio frequency processing unit (reception conversion radio frequency processing as shown in Figure 3), input terminal and Devices to test
Output end connection, for receiving the second RF test signal of the second target detection project that Devices to test is sent, to described the
Two RF test signals carry out frequency-conversion processing；
AD conversion unit (analog-to-digital conversion as shown in Figure 3), input terminal and the reception conversion radio frequency processing unit
Output end connection is converted to cloud digital signal for that will carry out the second RF test signal after frequency-conversion processing；
Second data interface unit (data-interface as shown in the lower half portion Fig. 3) will for receiving cloud digital signal
The cloud digital signal issues.
When it is implemented, only retaining the signal conversion in existing integration testing instrument for instrumentation (electric meter)
Partially, receiving and transmitting front end and the communication interface interacted with cloud.In interface section, (data are only handled using the processor of lightweight
Transmit work, the processing without signal) and high speed network interfaces realize cloud with local instrument (electric meter) front end number
It is interconnected according to high speed.
It gives an actual example again below, in order to understand how the utility model is implemented.
One, (cloud processing+Vector Signal Analyzer) is tested for 4G base station radio-frequency transmitter performance,
Ref.3GPP36.141, testing standard include: to 4G base station transmitter performance test
1. configuring base station, it is allowed to the signal that communication standard and configuration are formulated in transmitting；
2. receiving the signal that base station issues, the correctness of verifying base station configuration using Vector Signal Analyzer；
If analyzed using Vector Signal Analyzer signal 3. base station configuration is correct, corresponding test knot is read
Fruit.
It is demodulated to signal, before reading corresponding measurement result, needs first to be verified (step 2 as above) to signal
To guarantee base station operation under correct configuration, the result otherwise measured will have deviation.It needs to receive in verifying work
To signal perfect restitution come out and analyse and compare, be related to largely handling.
In traditional scheme, these processing are completed in the processing module of local instrument (integrated instrument), this needs 1) instrument
Inside there is stronger signal handling capacity；2) (signal of the base station 4G-LTE demodulates to be calculated the built-in demodulating algorithm of corresponding standard of instrument
Method).Even if in this case, instrument still need access to 10 seconds time could complete pair signals processing.
In technical solution provided by the embodiment of the utility model, after step 2 signal receives, directly by received signal
Data are uploaded to cloud, are handled by the signal processing algorithm of cloud server, and result is passed back to instrument (electrical instrument
Table).Instrument itself does not need powerful processing capacity or built-in (purchase) various demodulating algorithms in this way.This verification processing
Time loss depends on the processing capacity that network speed and cloud are handled.When handling complicated, and in processing locality (integrated instrument)
It compares, it will have significant advantage.
Two, it is directed to the sensitivity test (cloud processing+vector signal source) of low-power consumption bluetooth (BLE) equipment receiver
Ref.SIG.Bluetooth Test Specification, testing standard include: to BLE equipment receiver sensitivity test
1. equipment under test (EUT) is made to enter reception pattern, and the received result of feedback signal；
2. using vector signal source, corresponding test signal is generated according to the configuration of EUT and test specification, is tested in signal
It include the data packet of 1500 " non-ideal "；
3. using the test signal generated in vector signal source sending step 2 to EUT；
4. reading received number of data packets from EUT, judge whether it passes through test according to specification.
In step 2, it is desirable that generate the test signal comprising 1500 data packets, signal needs dynamic according to the parameter of EUT
State generates, for example, the received longest packet of each EUT energy long (from 37Byte to 255Byte) is not identical.Generate test signal
Afterwards, it is also necessary to some nonideal ingredients, such as the offset and fluctuation of frequency, the deviation of timing artificially be added in test signal
Etc..When packet is long longer, the treating capacity for generating test signal can be very big.
In traditional instrument solution, 1) instrument system includes stronger processing capacity to this operation needs, with
And 2) in instrument system it is built-in it is corresponding generate test signal program (option).Nonetheless, due to uniprocessor processing capacity
Limitation, this treatment process may be very time-consuming.Using conventional PC processor, data packet (255 the most complicated is generated
Byte packet is long, S=8,1500) time-consuming usually in or so 1 hour.
In technical solution provided by the embodiment of the utility model, instrument (or instrument operation person) will be needed for signal generation
Parameter is uploaded to cloud, is responsible for calling process resource by the service in cloud, processing generates corresponding test signal, and pushes Hui Yi
Table (electric meter).In this way, instrument itself is not necessarily to the corresponding test program (option) of powerful processing capacity or (purchasing), save
Cost, improves testing efficiency.The time that entire signal generates depends on the speed of network and the processing capacity in cloud.But
Since the processing capacity in cloud can according to need flexible configuration, whole processing speed will be mentioned greatly
It rises.
It is two examples that test is executed using technical solution provided by the embodiment of the utility model above.With communication protocols
View/standard is constantly progressive, and demand of the product test to processing is higher and higher, technical solution provided by the embodiment of the utility model
Advantage compared to traditional (processing locality) scheme will be more and more significant.
The advantageous effects of the utility model embodiment offer technical solution are as follows:
1, cost is reduced, improve using flexible: since process resource is completely exfoliated local instrument, instrument cost is compared
Existing instrument will be decreased significantly, and will not be suffered exit because processing partial capability is backward.Instrument use will not be interior
It sets algorithm/software to be constrained, flexibility ratio can be substantially improved.
2, increase process resource, improve testing efficiency: processing part is realized on cloud completely, can according to need allotment phase
Answer process resource.It is, for example, possible to use the modes of distributed treatment to realize that conventional instrument is difficult to the test case of operation, such as big rule
The processing of mould multi-antenna array column signal.
3, convenient for upgrading and maintenance: in standard update or upgrading, it is only necessary to update beyond the clouds corresponding algorithm and/or
Software.
4, be convenient for data management: local instrument only contacts initial data, and all processing/measurement process are in Yun Shangshi
It is existing.Corresponding test process and data are stored directly on cloud, while the reliability of data gets a promotion, also for based on number
According to application provide convenience.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, the utility model embodiment can have various modifications and variations.All spirit in the utility model
Within principle, any modification, equivalent replacement, improvement and so on be should be included within the scope of protection of this utility model.
Claims (9)
1. a kind of test device of communication equipment characterized by comprising
Cloud server, the test for receiving first object test item instruct, are instructed according to the test, call the first mesh
The corresponding default generation module of test item is marked, the corresponding first test signal of first object test item is generated, by described the
One test signal issues；Or cloud digital signal is received, according to cloud digital signal, call the second target detection project corresponding
Default processing module handles cloud digital signal, obtains test result；
First test signal is converted to the first RF test signal for receiving the first test signal by electric meter, will
First RF test signal is sent to Devices to test；Or receive the second of the second target detection project that Devices to test is sent
Second RF test signal is converted to the cloud digital signal of the second target detection project by RF test signal, by institute
State the sending of cloud digital signal.
2. the test device of communication equipment as described in claim 1, which is characterized in that the electric meter includes:
First data interface unit issues the first test signal for receiving the first test signal；The first test signal
For digital signal；
D/A conversion unit is connect with the data interface unit, and for receiving the first test signal, the first test signal is turned
It is changed to the first analog test signal；
Emit conversion radio frequency processing unit, input terminal is connect with the output end of the D/A conversion unit, is emitted at conversion radio frequency
The input terminal of the output end and Devices to test of managing unit connects, for the first analog test signal to be processed into the first radio frequency testing
Signal is sent to the input terminal of Devices to test.
3. the test device of communication equipment as described in claim 1, which is characterized in that the electric meter includes:
Conversion radio frequency processing unit is received, the output end of input terminal and Devices to test connects, and sends for receiving Devices to test
Second RF test signal of the second target detection project carries out frequency-conversion processing to second RF test signal；
AD conversion unit, input terminal is connect with the output end for receiving conversion radio frequency processing unit, for that will carry out frequency conversion
Treated, and the second RF test signal is converted to cloud digital signal；
Second data interface unit issues the cloud digital signal for receiving cloud digital signal.
4. the test device of communication equipment as described in claim 1, which is characterized in that the cloud server includes:
Receiving unit, the test for receiving first object test item instruct；Or receive the cloud of the second target detection project
Digital signal；
First call unit, for being instructed according to the test, the corresponding default generation module of calling first object test item,
Generate the corresponding first test signal of first object test item；
Second call unit, for calling the corresponding default processing of the second target detection project according to the cloud digital signal
Module handles cloud digital signal, obtains test result；
Transmission unit, for issuing the corresponding first test signal of first object test item.
5. the test device of communication equipment as described in claim 1, which is characterized in that the cloud server includes: to update
Unit, for receiving the more new command to default generation module and default processing module, according to the more new command, to default life
Processing is updated at module and default processing module.
6. the test device of communication equipment as described in claim 1, which is characterized in that the cloud server includes: storage
Unit, for storing the corresponding default generation module of a variety of test items, default processing module, default data test signal and survey
Test result.
7. the test device of communication equipment as described in claim 1, which is characterized in that the cloud server further include: return
Receipt member, for test result to be returned to tester's terminal or electric meter.
8. the test device of communication equipment as claimed in claim 7, which is characterized in that the electric meter includes: that display is single
Member, for showing the test result.
9. the test device of communication equipment as claimed in claim 7, which is characterized in that further include: tester's terminal is used for
It shows the test result, and receives the test instruction of first object test item, by the test of first object test item
Instruction is sent to cloud server.
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| CN201821051262.0U CN208539913U (en) | 2018-07-04 | 2018-07-04 | The test device of communication equipment |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110690929A (en) * | 2018-07-04 | 2020-01-14 | 中国信息通信研究院 | Testing device, cloud server and testing method of communication equipment |
| CN111030760A (en) * | 2019-12-23 | 2020-04-17 | 京信通信系统（中国）有限公司 | Standing wave detection method and device |
| CN111444052A (en) * | 2020-03-26 | 2020-07-24 | 杭州涂鸦信息技术有限公司 | Production testing method, system and device thereof |
| CN113589125A (en) * | 2021-07-28 | 2021-11-02 | 苏州赛迈测控技术有限公司 | Remote test system and method for separating radio frequency signal acquisition and measurement |
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2018
- 2018-07-04 CN CN201821051262.0U patent/CN208539913U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110690929A (en) * | 2018-07-04 | 2020-01-14 | 中国信息通信研究院 | Testing device, cloud server and testing method of communication equipment |
| CN110690929B (en) * | 2018-07-04 | 2024-09-03 | 中国信息通信研究院 | Testing device, cloud server and testing method of communication equipment |
| CN111030760A (en) * | 2019-12-23 | 2020-04-17 | 京信通信系统（中国）有限公司 | Standing wave detection method and device |
| CN111444052A (en) * | 2020-03-26 | 2020-07-24 | 杭州涂鸦信息技术有限公司 | Production testing method, system and device thereof |
| CN111444052B (en) * | 2020-03-26 | 2024-02-13 | 杭州涂鸦信息技术有限公司 | Yield testing method, system and device thereof |
| CN113589125A (en) * | 2021-07-28 | 2021-11-02 | 苏州赛迈测控技术有限公司 | Remote test system and method for separating radio frequency signal acquisition and measurement |
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