CN109921862A - Test method, test device and test macro - Google Patents
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Abstract
A kind of test method, test device and test macro.A signal generator is arranged in pairs or groups using controller to be tested.Controller receives multiple test requests of multiple Devices to test respectively.Controller selects one of them as test item in multiple test frequencies and multiple signal strengths included by the test request, and notification information is generated based on test item, and notification information is broadcasted to the Devices to test, so that the Devices to test for sending the test request including test item carries out frequency locking.Controller drives signal generator to generate the test signal for corresponding to test item, and transmits test signal to the Devices to test.
Description
Technical field
The invention relates to a kind of test structures, and in particular to a kind of test method, test device and survey
Test system.
Background technique
As wireless technology constantly changes, RF (Radio Frequency, radio frequency) test has become mobile communication production now
The daily regular works of industrial engineering (IE) teacher.For mobile terminal device, the testing time is a key factor, therefore dealer is continuous
Seek method and reduces testing time and relevant cost.In general, needing to test multiple when testing the Rx function of Devices to test
Frequency and signal strength, for example, high frequency/low energy, intermediate frequency/high-energy, low frequency/high-energy etc..
Traditional test mode has following two kinds.The first test mode is to send height simultaneously using three signal generators
Frequency signal, intermediate-freuqncy signal and low frequency signal to Devices to test (Device Under Test, DUT) so that Devices to test according to
Sequence frequency locking is to be verified.Second of test mode is signal generator one test system of collocation, signal generator meeting
Corresponding frequency signal/signal strength is generated according to Devices to test frequency point to be tested, Devices to test is locked again after signal generation
Frequency is to be verified.
However, the first described test mode needs to be arranged more signal generators, erection environment is more difficult, and in order to
The problem of interfering with each other between anti-stop signal needs the splitter (splitter) using high isolation degree.And required letter
The quantity of number generator is related to frequency point quantity to be tested.In addition, the number of the signal generator of second of test mode
Amount is related to the quantity of Devices to test, therefore ought be more to quantitation, then needs more signal generators, lead to setup cost
It improves.
Summary of the invention
The present invention provides a kind of test method, test device and test macro, is carried out using a signal generator
Frequency locking verifying.
Test method of the invention, comprising: multiple test requests are received from multiple Devices to test respectively, wherein each described
Devices to test is connected to signal generator；Multiple test frequencies and multiple signal strengths included by the multiple test request
It is middle to select one of them as test item, and notification information is generated based on test item；Broadcast (transmission) notification information
To the multiple Devices to test so that send include test item the multiple test request the multiple Devices to test into
Row frequency locking；And signal generator is driven to generate the test signal for corresponding to test item, and transmit test signal to described more
A Devices to test.
In one embodiment of this invention, the test method further include: store the received test request
To in queue to be processed；It is driving signal generator to generate the test signal corresponding to test item, and is transmitting test signal extremely
After the Devices to test, deleted from queue to be processed the multiple test frequencies selected or multiple signal strengths wherein it
One；Select another one as test item in remaining multiple test frequencies and multiple signal strengths from queue to be processed
Mesh, and another notification information is regenerated based on test item；Another notification information is re-broadcast to be measured to set to the multiple
It is standby；And signal generator is driven to generate the test signal for corresponding to test item again, and transmit test signal to described more
A Devices to test.
In one embodiment of this invention, the multiple test frequency included by the multiple test request with it is described
It as the step of test item includes: based on first in first out (First In that one of them is selected in multiple signal strengths
First Out, FIFO) algorithm determines to select one of them to come from the multiple test frequency and the multiple signal strength
As test item.
In one embodiment of this invention, the multiple test frequency included by the multiple test request with it is described
Selected in multiple signal strengths one of them as the step of test item include: calculate the multiple test frequency with it is described
Multiple respective number of requests of signal strength；And the one of test frequency or signal strength for selecting number of requests most are come
As test item.
In one embodiment of this invention, the multiple test frequency included by the multiple test request with it is described
Selected in multiple signal strengths one of them as the step of test item include: calculate the multiple test frequency with it is described
Multiple respective number of requests of signal strength；Based on the multiple test frequency with the multiple signal strength is corresponding asks
It asks quantity and receiving time poor, calculates the multiple test frequency and the respective weight of the multiple signal strength；Right to choose
The highest one of test frequency of weight or signal strength are as test item.
Test device of the invention, comprising: signal generator and controller.Signal generator is coupled to multiple to be measured set
It is standby.Controller is coupled to signal generator, and receives multiple tests from the multiple Devices to test respectively by communication equipment
Request.Controller selects one of them in multiple test frequencies and multiple signal strengths included by the multiple test request
As test item, and notification information is generated based on test item, and pass through communication device broadcasts notification information to institute
Multiple Devices to test are stated, so that the multiple Devices to test for sending the multiple test request including test item is locked
Frequently；Controller drives signal generator to generate the test signal for corresponding to test item, and transmits test signal to the multiple
Devices to test.
In one embodiment of this invention, the test device further include: signal distributor.Signal distributor includes receiving
Terminal and multiple output terminals, wherein receiving terminal is coupled to signal generator, and the multiple output terminal is respectively coupled to
The multiple Devices to test.
Test macro of the invention, comprising: multiple Devices to test, signal generator and controller.Signal generator coupling
It is connected to the multiple Devices to test.Controller is coupled to signal generator, and by communication equipment respectively from it is the multiple to
Measurement equipment receives multiple test requests.Controller multiple test frequencies and multiple signals included by the multiple test request
It selects one of them as test item in intensity, and generates notification information based on test item, and set by communication
Standby broadcast notification information is to the multiple Devices to test, so that sending the described of the multiple test request including test item
Multiple Devices to test carry out frequency locking；Controller drives signal generator to generate the test signal for corresponding to test item, and transmits
Signal is tested to the multiple Devices to test.
Based on above-mentioned, a signal generator is arranged in pairs or groups to be tested using controller, to be measured set is received by controller
Standby test request, and scheduling is carried out to these test requests, then make signal generator according to scheduling to generate corresponding letter
Number.Accordingly, more signal generators are not required to, equipment cost can be saved, and avoid the signal between more signal generators
Interference problem.
To make the foregoing features and advantages of the present invention clearer and more comprehensible, special embodiment below, and it is detailed to cooperate attached drawing to make
Carefully it is described as follows.
Detailed description of the invention
Fig. 1 is the block diagram according to the test device of one embodiment of the invention；
Fig. 2 is the schematic diagram according to the test macro of one embodiment of the invention；
Fig. 3 is the flow chart according to the test method of one embodiment of the invention；
Fig. 4 is the schematic diagram according to the scheduling mode based on fifo algorithm of one embodiment of the invention；
Fig. 5 is the schematic diagram according to the scheduling mode based on number of requests of one embodiment of the invention.
Specific embodiment
The application proposes a kind of one signal generator of utilization and can be applicable to multiple test frequency points and multiple Devices to test
Framework, and the required testing time is identical with traditional approach.It is special below to lift in order to become apparent the content of the present invention
The example that embodiment can actually be implemented accordingly as the present invention.
Fig. 1 is the block diagram according to the test device of one embodiment of the invention.Test device 100 includes signal generator
110, controller 120, signal distributor 130 and communication equipment 140.Signal distributor 130 is, for example, splitter.Communication equipment
140 be, for example, network interface card, WiFi chip, Mobile Communication Chip, bluetooth module etc..Signal generator 110 is coupled to multiple to be measured set
It is standby.Controller 120 is coupled to signal generator 110 and communication equipment 140, and by communication equipment 140 respectively from it is multiple to
Measurement equipment receives multiple test requests.Signal distributor 130 includes receiving terminal and multiple output terminals, receiving terminal coupling
To signal generator 110, and output terminal is then coupled to Devices to test.
In the present embodiment, controller 120 and signal generator 110 are integrated in test device 100, however, at other
In embodiment, controller 120 can also be set to another host.
Controller 120 is, for example, central processing unit (Central Processing Unit, CPU), image processing unit
(Graphic Processing Unit, GPU), physical processing unit (Physics Processing Unit, PPU), can journey
Microprocessor (Microprocessor), embedded control chip, digital signal processor (the Digital Signal of sequence
Processor, DSP), specific integrated circuit (Application Specific Integrated Circuits, ASIC) or
Other similar device.Controller 120 can remove to read the code segment in storage device (not being painted) to execute test method.Storage dress
Set e.g. any pattern fixed or packaged type random access memory (Random Access Memory, RAM), only
Read memory (Read-Only Memory, ROM), flash memory (Flash memory), safe digital card (Secure Digital
Memory Card, SD), the combination of hard disk or other similar device or these devices.
Fig. 2 is the schematic diagram according to the test macro of one embodiment of the invention.Referring to figure 2., test macro 200 includes letter
Number generator 110, controller 120, signal distributor 130 and more Devices to test 210.Here, with 4 Devices to test 210_
A~210_D is illustrated, but is not limited thereto.Signal generator 110 transmits test letter by signal distributor 130
Number to Devices to test 210_A~210_D.It arranges in pairs or groups above-mentioned test macro 200, test method hereafter is described in detail as another example
Each step.
Fig. 3 is the flow chart according to the test method of one embodiment of the invention.Referring to figure 2. and Fig. 3, in step S305
In, controller 120 receives multiple test requests from Devices to test 210_A~210_D respectively.That is, Devices to test 210_A~210_
D passes through communication equipment 140 respectively and test request is sent to controller 120.For example, Devices to test 210_A~210_D can lead to
Cable network, wireless network or transmission line etc. are crossed to be linked up with controller 120.
Then, in step s310, controller 120 multiple test frequencies and multiple signals included by the test request are strong
It selects one of them as test item in degree, and notification information is generated based on test item.In other words, controller
120 can carry out scheduling to these test frequencies and signal strength, then determine test item based on scheduling.
Later, in step S315, controller 120 broadcasts notification information to Devices to test 210 by communication equipment 140.
That is, controller 120 notifies whole Devices to test 210_A~210_D by notification information, so that Devices to test 210_A~
210_D can learn next to be transmitted is which frequency or any intensity according to notification information.If logical
Know one of test frequency that the test item in information is issued by Devices to test 210_A, then Devices to test 210_A can be into
Row frequency locking.
Then, in step s 320, controller 120 drives signal generator 110 to generate the test for corresponding to test item
Signal, and test signal is transmitted to the Devices to test.As an example it is assumed that in the test request that Devices to test 210_A is sent
Assigned frequency is as test item, then Devices to test 210_A will carry out frequency locking after receiving notification information, with locking
Assigned frequency.At this point, since Devices to test 210_A has carried out frequency locking, therefore, Devices to test 210_A can be carried out in assigned frequency
Test.Devices to test (or for controlling the host of Devices to test 210_A) can go to read such as bit error probability (bit
Error rate, BER), power grade (power level), the parameters such as frequency precision are tested.
In addition, controller 120 can store received test request into a queue to be processed.Also, it is driving
Signal generator 110 generates the test signal for corresponding to test item, and transmits and test after signal to Devices to test 210, control
Device 120 processed deletes the test frequency or signal strength for being selected as test item from queue to be processed, and from wait locate
Manage in queue selects another one as test item in remaining test frequency and signal strength, and is based on test item
It regenerates another notification information, and re-broadcasts another notification information to Devices to test 210；And signal is driven to produce again
Raw device 110 generates the test signal for corresponding to test item, and transmits test signal to Devices to test 210.The meeting of controller 120 one
Directly select one of them as test item from queue to be processed, until any test request is not present in queue to be processed
Included project.
And in the described embodiment, such as can be determined based on first in first out (First In First Out, FIFO) algorithm
Determine test item or determines test item based on number of requests or calculate weight or priority to determine test item
Mesh.Hereafter illustrate again for embodiment.It only with test request include in the following embodiments test frequency for the sake of for convenience of description
For be illustrated.However, in other embodiments, test request also can include test frequency and signal strength or survey simultaneously
Examination request only includes signal strength, and scheduling mode is identical as following embodiments, and details are not described herein.
Fig. 4 is the schematic diagram according to the scheduling mode based on fifo algorithm of one embodiment of the invention.In this implementation
In example, in time point T1, controller 120 receives the test request REQ_A (F1, F2) of Devices to test 210_A, and test is asked
Ask REQ_A (F1, F2) storage to queue to be processed.It at this time include test frequency F1, F2, therefore, controller in queue to be processed
120 can be using test frequency F1 or test frequency F2 as test item.Here, using test frequency F1 as override, so not
As limit.Therefore in time point T2, controller 120 can be using test frequency F1 as test item.
Then, in time point T2, controller 120 receives the test request REQ_B (F3) of Devices to test 210_B, and will
Test request REQ_B (F3) is stored to queue to be processed.Also, in time point T2, controller 120 using test frequency F1 as
Test item, and then signal generator 110 is driven to generate the test signal for corresponding to test frequency F1.
Later, in time point T3, controller 120 receive Devices to test 210_C test request REQ_C (F1) and
The test request REQ_D (F1) of Devices to test 210_D, and test request REQ_C (F1) and test request REQ_D (F1) is stored
To queue to be processed.Also, in time point T3, controller 120 drives signal generator 110 to generate corresponding test frequency F2's
Test signal.
Then, in time point T4, controller 120 is according to first in first out and using test frequency F3 as test item
Mesh, and then signal generator 110 is driven to generate the test signal for corresponding to test frequency F3.In time point T5, controller 120 is driven
Signal generator 110 generates the test signal of corresponding test frequency F1.And whole test requests are completed in time point T5
Test.
Furthermore it is also possible to the number of requests of each test frequency be calculated, with the one of test for selecting number of requests most
Frequency is as test item.
For example, Fig. 5 is the schematic diagram according to the scheduling mode based on number of requests of one embodiment of the invention.When
Between point T1, controller 120 receives the test request REQ_A (F1, F2) of Devices to test 210_A.It include surveying in queue to be processed
Frequency F1, F2 is tried, number of requests is respectively 1, therefore the priority of described two test frequencies is identical, herein to test frequency
Rate F1 is so not limited thereto as override.Therefore in time point T2, controller 120 can be using test frequency F1 as test
Project.
And in time point T2, controller 120 further receives the test request REQ_B (F3) of Devices to test 210_B.
At this point, including test frequency F2, F3 in queue to be processed, number of requests is respectively 1, therefore described two test frequencies is excellent
First grade is identical, herein using test frequency F2 as override, is so not limited thereto.Therefore in time point T3, controller 120
Using test frequency F2 as test item.
And in time point T3, controller 120 also further receives the test request REQ_C (F1) of Devices to test 210_C
And the test request REQ_D (F1) of Devices to test 210_D.At this point, include test frequency F3, F1 in queue to be processed, wherein
The number of requests of test frequency F3 is 1, and the number of requests of test frequency F1 is 2.Therefore controller 120 can be with test frequency F1 work
For override, and in time point T4 with test frequency F1 as test item.Later in time point T5, controller 120
Using test frequency F3 as test item.
In addition, can also be based further on first in first out in the identical situation of number of requests to be selected, so exist
This is not intended to limit.
In addition, can also further calculate the number of requests of each test frequency, and it is based on the corresponding number of request of each test frequency
Amount and receiving time are poor, calculate the weight of each test frequency, select the highest one of test frequency of weight later to make
For test item.For example, weight=receiving time difference × 2+ number of requests.
1~table of table 3 is the scheduling mode based on weight according to one embodiment of the invention.1~table of table 3 respectively represents the time
The scheduling situation of point T2~T4.
Table 1
Table 2
Table 3
In table 1, when time point T2, controller 120 then calculates test first using test frequency F1 as test item
The respective weight of frequency F2, F3.Assuming that the time difference of time point T2 and time point T1 is 1, then the weight of test frequency F2 is 3.
And the weight of test frequency F3 is 1.Since the weight of test frequency F2 is greater than the weight of test frequency F3, in the next time
When point (that is, time point T3), controller 120 can be using test frequency F2 as test item.
In table 2, such as above-mentioned, controller 120, using test frequency F2 as test item, then calculates when time point T3
The respective weight of test frequency F3, F1.Assuming that the time difference of time point T3 and time point T2 are 1, then the weight of test frequency F3
It is 3.And the weight after test frequency F3 is recalculated is 3.And the number of requests of test frequency F1 is 2, therefore, weight 2.By
It is greater than the weight of test frequency F1 in the weight of test frequency F3, therefore when next time point (that is, time point T4), controller
120 can be using test frequency F3 as test item.
In table 3, such as above-mentioned, controller 120, using test frequency F3 as test item, then calculates when time point T4
The weight of test frequency F1.Assuming that the time difference of time point T3 and time point T2 is 1, then the power after test frequency F1 is recalculated
Weight is 4.Later, in time point T5, controller 120 is using test frequency F1 as test item.
In conclusion the present invention increases a controller to receive the test request of Devices to test submitting, and to these surveys
Examination request carries out scheduling, makes signal generator later and generates corresponding signal according to scheduling.Accordingly, due to there was only a signal
Generator, so the problem of environment does not have between more signal generators signal when setting up interferes with each other, also, further
Save equipment cost.
Although the present invention has been disclosed by way of example above, it is not intended to limit the present invention., any technical field
In those of ordinary skill, without departing from the spirit and scope of the present invention, when can make some changes and embellishment, therefore of the invention
Protection scope when view as defined in claim subject to.
Claims (12)
1. a kind of test method characterized by comprising
Multiple test requests are received from multiple Devices to test respectively, wherein each Devices to test is connected to signal generator；
Selected in multiple test frequencies and multiple signal strengths included by the multiple test request one of them as
Test item, and notification information is generated based on the test item；
The notification information is broadcasted to the multiple Devices to test, so that sending the multiple test including the test item
The multiple Devices to test of request carries out frequency locking；And
It drives the signal generator to generate the test signal for corresponding to the test item, and transmits the test signal to institute
State multiple Devices to test.
2. test method according to claim 1, which is characterized in that further include:
Received the multiple test request is stored into queue to be processed；
It is driving the signal generator to generate the test signal corresponding to the test item, and is transmitting the test letter
Number to after the multiple Devices to test, the multiple test frequency selected and institute are deleted from the queue to be processed
State multiple signal strengths one of them；
It is selected in remaining the multiple test frequency and the multiple signal strength from the queue to be processed wherein another
It is a as the test item, and another notification information is regenerated based on the test item；
Another notification information is re-broadcast to the multiple Devices to test；And
Again it drives the signal generator to generate the test signal for corresponding to the test item, and transmits the test
Signal is to the multiple Devices to test.
3. test method according to claim 1, which is characterized in that described more included by the multiple test request
One of them is selected to include: as the step of test item in a test frequency and the multiple signal strength
It determines to select one of them from the multiple test frequency and the multiple signal strength based on fifo algorithm
As the test item.
4. test method according to claim 1, which is characterized in that described more included by the multiple test request
One of them is selected to include: as the step of test item in a test frequency and the multiple signal strength
Calculate the multiple test frequency and the respective number of requests of the multiple signal strength；And
One of them the described test frequency or the signal strength for selecting the number of requests most are as the test item
Mesh.
5. test method according to claim 1, which is characterized in that described more included by the multiple test request
One of them is selected to include: as the step of test item in a test frequency and the multiple signal strength
Calculate the multiple test frequency and the respective number of requests of the multiple signal strength；
Based on the multiple test frequency and the corresponding number of requests of the multiple signal strength and receiving time
Difference calculates the multiple test frequency and the respective weight of the multiple signal strength；And
Select one of them highest described test frequency of the weight or the signal strength as the test item.
6. a kind of test device characterized by comprising
Signal generator is coupled to multiple Devices to test；And
Controller is coupled to the signal generator, and more from the reception of the multiple Devices to test respectively by communication equipment
A test request；
Wherein, it is selected in the controller multiple test frequencies and multiple signal strengths included by the multiple test request
One of them generates notification information based on the test item as test item, and passes through the communication equipment
The notification information is broadcasted to the multiple Devices to test, so that sending the multiple test request including the test item
The multiple Devices to test carry out frequency locking；The controller drives the signal generator to generate corresponding to the test item
Test signal, and transmit the test signal to the multiple Devices to test.
7. test device according to claim 6, which is characterized in that further include:
Signal distributor, including receiving terminal and multiple output terminals produce wherein the receiving terminal is coupled to the signal
Raw device, the multiple output terminal are respectively coupled to the multiple Devices to test.
8. test device according to claim 6, which is characterized in that the controller is by received the multiple survey
Examination request storage is driving the signal generator to generate the survey corresponding to the test item into queue to be processed
Trial signal, and after transmitting the test signal to the multiple Devices to test, the controller is from the queue to be processed
Delete the multiple test frequency that has been selected and the multiple signal strength one of them；The controller is from described wait locate
Manage in queue selects another one as the survey in remaining the multiple test frequency and the multiple signal strength
Examination project, and another notification information is regenerated based on the test item, and re-broadcast another notification information extremely
The multiple Devices to test；The controller drives the signal generator to generate corresponding to the described of the test item again
Signal is tested, and transmits the test signal to the multiple Devices to test.
9. test device according to claim 6, which is characterized in that the controller is determined based on fifo algorithm
Select one of them as the test item from the multiple test frequency and the multiple signal strength.
10. test device according to claim 6, which is characterized in that the controller calculates the multiple test frequency
With the respective number of requests of the multiple signal strength, and one of them described test frequency for selecting the number of requests most
Or the signal strength is as the test item.
11. test device according to claim 6, which is characterized in that the controller calculates the multiple test frequency
It is respectively right based on the multiple test frequency and the multiple signal strength with the respective number of requests of the multiple signal strength
The number of requests and receiving time answered are poor, calculate the multiple test frequency and the respective power of the multiple signal strength
Weight, and select one of them highest described test frequency of the weight or the signal strength as the test item.
12. a kind of test macro characterized by comprising
Multiple Devices to test；
Signal generator is coupled to the multiple Devices to test；And
Controller is coupled to the signal generator, and more from the reception of the multiple Devices to test respectively by communication equipment
A test request；
Wherein, it is selected in the controller multiple test frequencies and multiple signal strengths included by the multiple test request
One of them generates notification information based on the test item as test item, and passes through the communication equipment
The notification information is broadcasted to the multiple Devices to test, so that sending the multiple test request including the test item
The multiple Devices to test carry out frequency locking；The controller drives the signal generator to generate corresponding to the test item
Test signal, and transmit the test signal to the multiple Devices to test.
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| TW106143254A TWI648958B (en) | 2017-12-08 | 2017-12-08 | Testing method, testing apparatus and testing system |
| TW106143254 | 2017-12-08 |
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| CN112202512A (en) * | 2020-11-18 | 2021-01-08 | 江苏中信博新能源科技股份有限公司 | Wireless signal strength detection method and device |
| CN112383939A (en) * | 2020-10-29 | 2021-02-19 | 四川虹美智能科技有限公司 | Method and device for testing network signals of NB-IoT (NB-IoT) equipment |
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| CN102967819A (en) * | 2011-03-11 | 2013-03-13 | 补丁科技股份有限公司 | High speed test circuit and method |
| CN102185738A (en) * | 2011-05-13 | 2011-09-14 | 迈普通信技术股份有限公司 | Communication equipment hardware host testing system and testing method |
| CN203287487U (en) * | 2013-04-28 | 2013-11-13 | 深圳市燕麦科技开发有限公司 | On-line test system |
| CN103428051A (en) * | 2013-08-29 | 2013-12-04 | 普联技术有限公司 | System and method for testing communication devices |
| CN104518925A (en) * | 2013-10-04 | 2015-04-15 | 华壹生活科技股份有限公司 | Testing device and testing method thereof |
| CN104932327A (en) * | 2015-05-04 | 2015-09-23 | 深圳市国电科技通信有限公司 | Signal path controller |
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| CN112383939A (en) * | 2020-10-29 | 2021-02-19 | 四川虹美智能科技有限公司 | Method and device for testing network signals of NB-IoT (NB-IoT) equipment |
| CN112383939B (en) * | 2020-10-29 | 2022-04-19 | 四川虹美智能科技有限公司 | Method and device for testing network signals of NB-IoT (NB-IoT) equipment |
| CN112202512A (en) * | 2020-11-18 | 2021-01-08 | 江苏中信博新能源科技股份有限公司 | Wireless signal strength detection method and device |
| CN112202512B (en) * | 2020-11-18 | 2021-06-01 | 江苏中信博新能源科技股份有限公司 | Wireless signal strength detection method and device |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201926927A (en) | 2019-07-01 |
| CN109921862B (en) | 2022-02-01 |
| TWI648958B (en) | 2019-01-21 |
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