CN106790903A - A kind of anti-interference test device of mobile terminal and its method of testing - Google Patents
A kind of anti-interference test device of mobile terminal and its method of testing Download PDFInfo
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- CN106790903A CN106790903A CN201710183642.3A CN201710183642A CN106790903A CN 106790903 A CN106790903 A CN 106790903A CN 201710183642 A CN201710183642 A CN 201710183642A CN 106790903 A CN106790903 A CN 106790903A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/24—Arrangements for testing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/391—Modelling the propagation channel
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/391—Modelling the propagation channel
- H04B17/3912—Simulation models, e.g. distribution of spectral power density or received signal strength indicator [RSSI] for a given geographic region
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- Computer Networks & Wireless Communication (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a kind of anti-interference test device of mobile terminal and its application method.The device includes：Multiple signal transmitting antennas；Multiple signal sources, the quantity of the signal source is identical with the signal number of transmission antennas；Enter to have more switch, the input for entering to have more switch more is connected with the multiple signal source respectively, and its output end is connected with the multiple signal transmitting antenna respectively more；And remote control equipment, the remote control equipment by program remote control triggered within the different time periods, respectively or closed the signal source or it is described enter to have more switch, carry out the preset interference signal of the selection signal transmitting antenna output signal source.Using the present invention, interference environment can be more realistically simulated, it is to avoid the deficiency of indoor static test.
Description
Technical field
The present invention relates to disturbed test technical field, more particularly, to a kind of anti-interference test device of mobile terminal and
Its method of testing.
Background technology
At present, in order to detect or weighing the interference free performance of mobile terminal, mainly using field testing, or indoor static is surveyed
Examination.Field testing：In real environment, possess real interference signal, the anti-of mobile device is detected using specific equipment
Jamming performance.Indoor static is tested：Simulaed interference signal, the anti-interference of mobile device is detected using particular device indoors
Energy.Existing two kinds of mobile terminal interference free performances method of testing all there are certain defect：On the one hand, field testing needs
Expend huge human and material resources, financial resources.And interference signal is not pure enough, it is impossible to which quantitative analyzes the anti-interference of mobile terminal
Performance.On the other hand, although indoor static test cost is relatively low, and interference source information is pure enough, due to doing for simulation
Signal is disturbed for stationary singnal, it is impossible to characterize the interference signal of the DYNAMIC COMPLEX that mobile terminal faces in actual use.
The content of the invention
In view of the above problems, the present invention proposes a kind of anti-interference test device of mobile terminal and its method of testing, can
More realistically simulate interference environment, it is to avoid the deficiency of indoor static test.
A kind of anti-interference test device of mobile terminal is provided in the embodiment of the present invention, including：
Multiple signal transmitting antennas；
Multiple signal sources, the quantity of the signal source is identical with the signal number of transmission antennas；
Enter to have more switch, the input for entering to have more switch more is connected with the multiple signal source respectively, its output more
End is connected with the multiple signal transmitting antenna respectively；And
Remote control equipment, the remote control equipment within the different time periods, is touched respectively by program remote control
Send out or close the signal source or it is described enter to have more switch, carry out selection signal transmitting antenna and export that the signal source is preset to be done
Disturb signal.
Preferably, including：The multiple signal transmitting antenna spaced set, and around mobile terminal to be tested.
Preferably, the multiple signal transmitting antenna is centered around mobile terminal surrounding to be tested according to circular array.
Preferably, the multiple signal transmitting antenna is centered around mobile terminal surrounding to be tested according to square array.
Preferably, the preset signal of the signal source is the interference signal set according to parameter preset, wherein, it is described default
Parameter includes at least one in the middle of frequency, power, modulation type.
Preferably, further include：The mobile terminal test instrument being connected by cable with mobile terminal to be tested.
Preferably, further include：Shielded box, wherein, the cable and the mobile terminal test instrument are located at the shielding
The inside of case, the signal source and the signal transmitting antenna are located at the outside of the shielded box.
Correspondingly, a kind of method of testing of the anti-interference test device of mobile terminal is the embodiment of the invention provides, for examining
The interference free performance of mobile terminal is surveyed, the method for testing includes：
Multiple signal sources and multiple signal transmitting antennas are set；
Time period t 1-tn is divided into the default n time period, different signal sources are triggered or close respectively, to select not
Same signal source, and corresponding signal is sent by signal transmitting antenna；
Travel through each time period successively, record reception of the mobile terminal in whole process the signal it is big
It is small, obtain test result.
Preferably, after the step of multiple signal sources and multiple signal transmitting antennas are set, also include：
The angle calculated between each signal transmitting antenna and mobile terminal to be tested launches day as each signal
The signal that line sends come to.
Preferably, the step of interference signal of preset each signal source, specifically includes：
Power, frequency, the modulation type of the signal of the signal source on preset each position.
Preferably, after the step of interference signal of preset each signal source, also include：
Before the mobile terminal is tested, the disturbing factor that the cable being connected with the mobile terminal is produced first is calculated.
Preferably, terminal to be tested is recorded after the step of interference free performance in whole process is tested, and is also included：
The test result is subtracted into the disturbing factor, performance note of the mobile terminal under preset signal is obtained
Record.
Relative to prior art, anti-interference test, the scheme that the present invention is provided, including multiple signals can only be statically carried out
Transmitting antenna, the signal source being connected with each signal transmitting antenna；Lead between each signal source and each signal transmitting antenna
Excessively enter to have more switch and be connected.The interference signal of preset each signal source；With the signal source and/or described enter to have more switch more
Connected remote control equipment.Change the signal that interference signal antenna is launched by entering to have more switch dynamic in screened room more
Direction, tranmitting frequency, modulation type etc., simulate the interference of the dynamic change that mobile terminal faces in actual use
Signal.Wherein, the remote control equipment is triggered or closed described by program remote control within the different time periods, respectively
Signal source or it is described enter to have more switch, carry out the preset interference signal of the selection signal transmitting antenna output signal source.Specifically
Ground, time period t 1-tn is divided into the default n time period, trigger respectively or close the signal source or it is described more enter to have more out
Close, carry out selection signal transmitting antenna and export the preset interference signal of the signal source；Each time period is traveled through successively, records to be measured
Interference free performance test of the examination terminal in whole process, obtains test result, realizes indoor dynamic test mobile terminal
Interference free performance.Transmitting interference signal determination, can be with qualitative analysis, the interference free performance of measurement mobile terminal, while avoiding existing
Some outfields and the defect of indoor static test, simulate the truer interference environment that mobile terminal faces in use.
The additional aspect of the present invention and advantage will be set forth in part in the description, and these will become from the following description
Obtain substantially, or recognized by practice of the invention.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below will be to that will make needed for embodiment description
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those skilled in the art, on the premise of not paying creative work, can also obtain other attached according to these accompanying drawings
Figure.
Fig. 1 is a kind of schematic diagram of the anti-interference test device of mobile terminal of the invention.
Fig. 2 is a kind of first embodiment schematic diagram of the anti-interference test device of mobile terminal of the invention.
Fig. 3 is a kind of second embodiment schematic diagram of the anti-interference test device of mobile terminal of the invention.
Specific embodiment
In order that those skilled in the art more fully understand the present invention program, below in conjunction with the embodiment of the present invention
Accompanying drawing, is clearly and completely described to the technical scheme in the embodiment of the present invention.
In some flows of description in description and claims of this specification and above-mentioned accompanying drawing, contain according to
Multiple operations of particular order appearance, but it should be clearly understood that these operations can not be according to the suitable of its appearance herein
Sequence is performed or executed in parallel, the sequence number such as 101,102 etc. of operation, is only used for distinguishing each different operation, sequence number
Any execution sequence is not represented for itself.In addition, these flows can include more or less operation, and these operations can
To perform in order or executed in parallel.It should be noted that " first ", " second " herein etc. describes, it is for distinguishing not
Same message, equipment, module etc., does not represent sequencing, and it is different types also not limit " first " and " second ".
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, the every other implementation that those skilled in the art are obtained under the premise of creative work is not made
Example, belongs to the scope of protection of the invention.
Fig. 1 is a kind of schematic diagram of the anti-interference test device of mobile terminal of the invention, including：
Multiple signal transmitting antennas；
Multiple signal sources, the quantity of the signal source is identical with the signal number of transmission antennas；
Enter to have more switch, the input for entering to have more switch more is connected with the multiple signal source respectively, its output more
End is connected with the multiple signal transmitting antenna respectively；And
Remote control equipment, the remote control equipment within the different time periods, is touched respectively by program remote control
Send out or close the signal source or it is described enter to have more switch, carry out selection signal transmitting antenna and export that the signal source is preset to be done
Disturb signal.
Relative to prior art, anti-interference test, the scheme that the present invention is provided, including multiple signals can only be statically carried out
Transmitting antenna, the signal source being connected with each signal transmitting antenna；Lead between each signal source and each signal transmitting antenna
Excessively enter to have more switch and be connected.The interference signal of preset each signal source；With the signal source and/or described enter to have more switch more
Connected remote control equipment.Change the signal that interference signal antenna is launched by entering to have more switch dynamic in screened room more
Direction, tranmitting frequency, modulation type etc., simulate the interference of the dynamic change that mobile terminal faces in actual use
Signal.Wherein, the remote control equipment is triggered or closed described by program remote control within the different time periods, respectively
Signal source or it is described enter to have more switch, carry out the preset interference signal of the selection signal transmitting antenna output signal source.Specifically
Ground, time period t 1-tn is divided into the default n time period, trigger respectively or close the signal source or it is described more enter to have more out
Close, carry out selection signal transmitting antenna and export the preset interference signal of the signal source；Each time period is traveled through successively, records to be measured
Interference free performance test of the examination terminal in whole process, obtains test result, realizes indoor dynamic test mobile terminal
Interference free performance.Transmitting interference signal determination, can be with qualitative analysis, the interference free performance of measurement mobile terminal, while avoiding existing
Some outfields and the defect of indoor static test, simulate the truer interference environment that mobile terminal faces in use.
Correspondingly, a kind of method of testing of the anti-interference test device of mobile terminal is the embodiment of the invention provides, for examining
The interference free performance of mobile terminal is surveyed, the method for testing includes：
Multiple signal sources and multiple signal transmitting antennas are set；
Time period t 1-tn is divided into the default n time period, different signal sources are triggered or close respectively, to select not
Same signal source, and corresponding signal is sent by signal transmitting antenna；
Travel through each time period successively, record reception of the mobile terminal in whole process the signal it is big
It is small, obtain test result.
Fig. 2 is a kind of first embodiment schematic diagram of the anti-interference test device of mobile terminal of the invention.With reference to Fig. 2 pairs
Present aspect embodiment is described further.
In the middle of the present embodiment, for ease of calculating the coming to, the disturbed test device of interference signal, including：It is described many
Individual signal transmitting antenna spaced set, and around mobile terminal to be tested.Correspondingly, multiple signal sources and multiple are set
After the step of signal transmitting antenna, also include：Calculate between each signal transmitting antenna and mobile terminal to be tested
The signal that angle sends as each signal transmitting antenna come to.
First, as needed, n (the present embodiment is as a example by 8) interference signal transmitting antennas are set indoors, and between waiting
Away from certain shape is put into, for example, the multiple signal transmitting antenna is centered around mobile end to be tested according to circular array
End surrounding, as shown in Figure 2.It is understood that the multiple signal transmitting antenna can also be centered around according to square array and treat
The mobile terminal surrounding of test.
Then, the step of setting multiple signal sources and multiple signal transmitting antennas, specifically includes：On preset each position
Signal source signal power, frequency, modulation type.The preset signal of the signal source is according to doing that parameter preset is set
Signal is disturbed, wherein, the parameter preset includes at least one in the middle of frequency, power, modulation type.Used using 8 signal sources
In producing 8 kinds of interference signals (frequency, power, modulation type can arbitrarily set as needed), and by 8 outputs of signal source
End is entered 8 inputs for going out switch and is connected with 8, while enter 8 output ends for going out switch by 8 being connected with each signal transmitting antenna.
Finally, mobile terminal (t in use is set1-tn) interference scene that is faced.By time period t1-tnDivide
Into multiple minor time slices, and set the interference signal that different time sections mobile terminal is faced come to, each come to interference
Power, frequency, modulation type (PAM, FSK, QAM, QPSK etc.) of signal etc..
For example：Time period t1-t2Mobile terminal faces 4 interference signals, and each interference signal is as shown in Table 1；Time period
t2-t3Mobile terminal faces 3 interference signals, and each interference signal is as shown in Table 2.
Table one
Table two
By program remote control, within the different time periods, power, frequency, the modulation type of signal source are respectively provided with
Produce corresponding signal.And signal come to, it is necessary to export corresponding signal come selection signal transmitting antenna by switching switching.
After placement after signal transmitting antenna and tested mobile terminal, each signal transmitting antenna and tested shifting are calculated respectively
Angle (with surface as positive direction, unit is radian (rad)) in the middle of dynamic terminal, signal transmitting antenna 1-8 and mobile terminal
Between angle be respectively：b1, b2, b3, b4, b5, b6, b7, b8。
Think time period t1-t2It is such as grey according to certain programmed algorithm as a example by (four interference signals such as table one facing)
Color correlation fractal dimension, by contrasting b1-b8With a1-a4, from b1-b8In obtain four and a1-a4Four closest angles, it is false
If the signal transmitting antenna numbering corresponding to four resulting closest angles is respectively 2,3,5,8.Then pass through remote
Process control, the switching switch according to table three.Now in the terminal, using certain monitoring software or equipment, it is used to examine
Survey or measure time section t1-t2Interference free performance.In the present embodiment, the mobile terminal is mobile phone, is detecting the mobile phone
Call interference free performance when, in the interference signal scene that the mobile phone is put into described in text, by detect it is described interference letter
Influence number to the mobile phone communication performance, so as to detect the interference free performance of the mobile phone, usually, when interference signal very
When strong, call is also apparent from, and that just illustrates that interference free performance is very strong.Can specifically be examined by monitoring software or equipment
Survey, and weighed and analyzed by performance indications, such as using the receiver of Beidou satellite navigation as testing equipment, by it
The detection data for receiving analyzes the interference free performance of the mobile phone.
| Signal transmitting antenna is numbered | Interference signal |
| Antenna 2 | Interference signal 1 |
| Antenna 3 | Interference signal 2 |
| Antenna 5 | Interference signal 3 |
| Antenna 8 | Interference signal 4 |
Table three
In this way, traveling through mobile terminal (t in use successively1-tn), each minor time slice for being divided, you can complete
Mobile terminal is entirely tested using the interference free performance of process.
Fig. 3 is a kind of second embodiment schematic diagram of the anti-interference test device of mobile terminal of the invention.As shown in figure 3, entering
One step includes：The mobile terminal test instrument being connected by cable with mobile terminal to be tested.The multiple signal transmitting antenna
Mobile terminal surrounding to be tested is centered around according to square array.
In the presence of interference, the received spectrum of mobile terminal, the quality of reception receives the electricity such as grade receiving sensitivity
Gas performance parameter can also be deteriorated, in order to do not allow interference effect mobile terminal work and cause the communication barrier, research exist it is dry
The performance parameter of mobile terminal becomes particularly significant under the conditions of disturbing.Test to mobile terminal under disturbed condition is needed in screened room
Inside build an environment.As shown in figure 3, mobile terminal test instrument, mobile terminal to be tested are connected and be put in screened room,
And an interference for needing size is radiated in screened room.The present embodiment operation is easy, and arrangement is convenient, but due to radiation field pair
In mobile terminal test instrument, mobile terminal to be tested, the also cable between them has effect, therefore the knot for testing out
The fruit degree of accuracy has error.It is central in this implementation in order to confirm that what mobile terminal to be tested was subject to disturbs, preset each letter
After the step of interference signal in number source, also include：Before the mobile terminal is tested, first calculate and the mobile terminal phase
The disturbing factor that cable even is produced.Terminal to be tested is recorded after the step of interference free performance in whole process is tested,
Also include：The test result is subtracted into the disturbing factor, performance note of the mobile terminal under preset signal is obtained
Record.
Preferably, in order to avoid the interference of above-mentioned cable introducing.This test device is further included：Shielded box, wherein, institute
Cable and the mobile terminal test instrument are stated located at the inside of the shielded box, the signal source and the signal transmitting antenna are located at
The outside of the shielded box.So as to improve the precision of disturbed test.
It is apparent to those skilled in the art that, for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, may be referred to the corresponding process in preceding method embodiment, will not be repeated here.
Embodiment described above only expresses several embodiments of the invention, and its description is more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Shield scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (12)
1. the anti-interference test device of a kind of mobile terminal, it is characterised in that including：
Multiple signal transmitting antennas；
Multiple signal sources, the quantity of the signal source is identical with the signal number of transmission antennas；
Enter to have more switch, the input for entering to have more switch more is connected with the multiple signal source respectively, its output end point more
It is not connected with the multiple signal transmitting antenna；And
Remote control equipment, the remote control equipment by program remote control within the different time periods, respectively triggering or
Close the signal source or it is described enter to have more switch, carry out selection signal transmitting antenna and export the preset interference of the signal source to believe
Number.
2. the anti-interference test device of mobile terminal according to claim 1, it is characterised in that including：The multiple signal
Transmitting antenna spaced set, and around mobile terminal to be tested.
3. the anti-interference test device of mobile terminal according to claim 2, it is characterised in that：The multiple signal launches day
Line is centered around mobile terminal surrounding to be tested according to circular array.
4. the anti-interference test device of mobile terminal according to claim 2, it is characterised in that：The multiple signal launches day
Line is centered around mobile terminal surrounding to be tested according to square array.
5. the anti-interference test device of mobile terminal according to claim 1, it is characterised in that：The preset letter of the signal source
Number it is the interference signal set according to parameter preset, wherein, the parameter preset is included in the middle of frequency, power, modulation type
At least one.
6. the anti-interference test device of mobile terminal according to claim 1, it is characterised in that further include：With it is to be measured
The mobile terminal test instrument that the mobile terminal of examination is connected by cable.
7. the anti-interference test device of mobile terminal according to claim 6, it is characterised in that further include：Shielded box,
Wherein, the cable and the mobile terminal test instrument are launched located at the inside of the shielded box, the signal source and the signal
Antenna is located at the outside of the shielded box.
8. the method for testing of the anti-interference test device of a kind of mobile terminal, the interference free performance for detecting mobile terminal, it is special
Levy and be, the method for testing includes：
Multiple signal sources and multiple signal transmitting antennas are set；
Time period t 1-tn is divided into the default n time period, different signal sources are triggered or close respectively, it is different to select
Signal source, and corresponding signal is sent by signal transmitting antenna；
Each time period is traveled through successively, the size of the signal of reception of the mobile terminal in whole process is recorded, and is obtained
Take test result.
9. the method for testing of the anti-interference test device of mobile terminal according to claim 8, it is characterised in that set multiple
After the step of signal source and multiple signal transmitting antennas, also include：
The angle calculated between each signal transmitting antenna and mobile terminal to be tested is sent out as each signal transmitting antenna
The signal for going out come to.
10. the method for testing of the anti-interference test device of mobile terminal according to claim 8 or claim 9, it is characterised in that set
The step of multiple signal sources and multiple signal transmitting antennas, specifically include：
Power, frequency, the modulation type of the signal of the signal source on preset each position.
The method of testing of the 11. anti-interference test devices of mobile terminal according to claim 10, it is characterised in that set many
After the step of individual signal source and multiple signal transmitting antennas, also include：
Before the mobile terminal is tested, the disturbing factor that the cable being connected with the mobile terminal is produced first is calculated.
The method of testing of the 12. anti-interference test devices of mobile terminal according to claim 11, it is characterised in that record institute
After the step of stating the size of the signal of reception of the mobile terminal in whole process, acquisition test result, also include：
The test result is subtracted into the disturbing factor, performance inventory of the mobile terminal under preset signal is obtained.
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| CN111432421A (en) * | 2020-04-02 | 2020-07-17 | 宁波艾欧迪互联科技有限公司 | 5G communication test instrument multi-terminal-to-be-tested synchronous test method |
| CN111432421B (en) * | 2020-04-02 | 2024-03-15 | 宁波大学 | Synchronous test method for multiple tested terminals of 5G communication test instrument |
| CN112415549A (en) * | 2021-01-25 | 2021-02-26 | 湖南卫导信息科技有限公司 | Automatic calibration method and device for satellite navigation external field anti-interference test |
| CN114374408A (en) * | 2021-12-13 | 2022-04-19 | 南京大鱼半导体有限公司 | Anti-interference test system |
| CN114374408B (en) * | 2021-12-13 | 2024-04-09 | 南京大鱼半导体有限公司 | Anti-interference test system |
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