CN106507385A - A kind of air interference method of testing and system - Google Patents
A kind of air interference method of testing and system Download PDFInfo
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- CN106507385A CN106507385A CN201510559462.1A CN201510559462A CN106507385A CN 106507385 A CN106507385 A CN 106507385A CN 201510559462 A CN201510559462 A CN 201510559462A CN 106507385 A CN106507385 A CN 106507385A
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- interference
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/08—Testing, supervising or monitoring using real traffic
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- Computer Networks & Wireless Communication (AREA)
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- Monitoring And Testing Of Transmission In General (AREA)
Abstract
The present invention relates to wireless test technical field, specifically provides a kind of air interference method of testing and system.The air interference method of testing includes step：Devices to test is made to pass through radio communication by data signal transmission to receiving terminal；Obtain the channel used by the radio communication of Devices to test；One or more jamming equipments are made to send interference signal successively；The packet loss that data detection signal is transmitted successively.The present invention can reduce testing cost, improve efficiency, and can realize interference reproduction, contribute to the optimization of wireless network by applying controllable interference in wireless test.
Description
【Technical field】
The present invention relates to communication technical field, more particularly to a kind of air interference method of testing and system.
【Background technology】
Image of the unmanned plane under the varying environments such as square, school, park or seashore is remote
The stability of transmission is critically important.Pass yet with unmanned plane figure and be related to long-distance transmissions, and unmanned plane
The mobility of itself, the wifi environment residing for which can occur great variety, therefore be passed based on wifi figures
Unmanned plane under different wifi environment be highly susceptible to disturb.
In order to optimize its capacity of resisting disturbance, it usually needs to unmanned plane under a variety of interference environments
Tested.Current unmanned plane wifi environmental disturbances test needs repeatedly to carry out in different scenes
Test flight.But interference has randomness, its reproduction is very difficult；And test process needs to match somebody with somebody
Put one and fly control handss, carry corresponding test equipment, method of testing is more bothered, high cost and test
Efficiency is low.
【Content of the invention】
It is contemplated that overcome the defect of existing, reproduction difficulty complicated based on air interference method of testing,
A kind of improved air interference method of testing and corresponding system are provided.
For solving above-mentioned technical problem, the present invention provides technical scheme below：
On the one hand, the present invention provides a kind of air interference method of testing, including step：Make Devices to test
By radio communication by data signal transmission to receiving terminal；The radio communication for obtaining Devices to test is made
Channel；One or more jamming equipments are made to send interference signal successively；Data detection signal successively
The packet loss of transmission.
In some embodiments, jamming equipment sends the nothing of channel that interference signal used and Devices to test
The used channel of line communication is identical or different.
In some embodiments, the air interference method of testing also includes judging that detected packet loss is
No in tolerance；When judging that packet loss exceeds tolerance, different packet loss models are set
Enclose corresponding transmission power level；Detected in set different transmission power levels successively, data
The packet loss of signal transmission.
In some embodiments, data signal transmission is whole to receiving by radio communication in Devices to test
The step of end, includes：According to distance decay model, data signal transmission power level is set；Make to be measured setting
For with set transmission power level transmission data signal.
In some embodiments, one or more jamming equipments are made to include the step of sending interference signal successively：
The jamming power rank of interference signal is set；Jamming equipment is made to send with set jamming power rank
Interference signal.
On the other hand, the present invention provides a kind of air interference test system, including：It is wirelessly transferred control
Unit, for making Devices to test pass through radio communication by data signal transmission to receiving terminal；Channel is obtained
Unit is taken, for taking the channel used by the radio communication of Devices to test；Interference control unit, is used for
One or more jamming equipments are made to send interference signal successively；Detector unit, for detection data successively
The packet loss of signal transmission.
In some embodiments, interference control unit is additionally operable to make one or more jamming equipments use and treat
The identical or different channel of channel that the radio communication of measurement equipment is used sends interference signal successively.
In some embodiments, the air interference test system also includes：Judging unit, for judging
Whether the packet loss for being detected is in tolerance；Through-put power arranging unit, judges to lose for working as
When bag rate exceeds tolerance, the corresponding transmission power level of different packet loss scopes is set；And
The detector unit is additionally operable to be detected in set different transmission power levels successively, data signal
The packet loss of transmission.
In some embodiments, wireless transmission control unit is additionally operable to：According to distance decay model, number is set
It is believed that number transmission power level；Devices to test is made with set transmission power level transmission data signal.
In some enforcements, the interference control unit is additionally operable to：The interference power level of interference signal is set
Not；Jamming equipment is made to send interference signal with set jamming power rank.
Compared with prior art, the beneficial effects of the present invention is：By providing controllable simulation interference
Tested, required test equipment is few, low cost, efficiency high, and disturb controllable, can reappear, have
Help realize the network optimization.
【Description of the drawings】
Fig. 1 is the flow chart of the air interference method of testing that one embodiment of the invention is provided.
Fig. 2 is the block diagram of the air interference test system that one embodiment of the invention is provided.
Fig. 3 is the application schematic diagram of the air interference method of testing of one embodiment of the invention.
Fig. 4 is the Another Application schematic diagram of the air interference method of testing of one embodiment of the invention.
Fig. 5 is the another application schematic diagram of the air interference method of testing of one embodiment of the invention.
【Specific embodiment】
In order that the objects, technical solutions and advantages of the present invention become more apparent, below in conjunction with accompanying drawing
And embodiment, the present invention will be described in further detail.It should be appreciated that described herein concrete
Embodiment only in order to explain the present invention, is not intended to limit the present invention.
The air interference method of testing and system of the present invention is different to simulate by providing controllable interference
Air interference, there is provided a kind of mode of laboratory simulation air interference test, method of testing are simple,
Without the need for complicated practical flight test, testing cost is greatly reduced, testing efficiency is improve.And by
Controllable in interference source, facilitate the reproduction of interference, using the teaching of the invention it is possible to provide consistent interference environment, and disturb strong
Degree is adjustable, contributes to the optimization of wireless network.
For convenience, following examples are by combining wireless disturbed test method and corresponding wireless dry
Disturb test system to be illustrated.It will be understood by those skilled in the art that the air interference test side of the present invention
Method can have common embodiment with air interference test system.
With reference to Fig. 1 and Fig. 2, the flow process of the air interference method of testing of the embodiment of the present invention 1 is shown respectively
Figure and the block diagram of air interference test system.Illustrate that with reference to the two the air interference of the present invention is surveyed
Method for testing.The air interference method of testing and system of the embodiment is run typically as test software.
In step s 110, Devices to test is made to pass through radio communication by data signal transmission to receiving terminal.
The step is executed by Wireless transceiver control unit.Scheme in the example for passing in unmanned plane wifi, Devices to test
That is unmanned plane, radio communication is the communication based on wifi, and data signal is picture signal, receiving terminal
For intelligent terminal, such as smart mobile phone etc..
In the step s 120, the channel used by the radio communication of Devices to test is obtained.The step is by obtaining
Delivery block is executed.
In step s 130, one or more jamming equipments are made to send interference signal successively.The step by
Interference control unit is executed.Jamming equipment sends the nothing of channel that interference signal used and Devices to test
Line communicates used channel can be with identical or different.And when there is multiple jamming equipments, these
The channel used by jamming equipment can also be identical or different.This step provides controllable interference environment.
Multiple jamming equipments, and the setting of different channels, contribute to providing increasingly complex interference environment.
In step S140, the packet loss that data detection signal is transmitted successively.The step is by detection module
Execute.The detection of the step is Devices to test under the controllable interference effect for applying in step s 130
Data signal transmission situation.
In this embodiment, air interference method of testing is additionally included in step S150, and judgement is detected
Whether packet loss is in tolerance.The step is executed by judging unit.When judging that packet loss exceeds
During tolerance, the corresponding transmission power level of different packet loss rate scope is set in step S160.The step
Suddenly executed by through-put power arranging unit.Return to step S140 afterwards, detected set successively
During different transmission power levels, the packet loss of data signal transmission.The step is also executed by detection module.
When judging that packet loss is in tolerance, test result is preserved in step S170.
It should be understood that disclosed herein apparatus and method, it is also possible to realize by another way.
For example, the division only a kind of division of logic function in device to module, unit, when actually realizing
Can have other dividing mode, for example multiple units or module can in conjunction with or be desirably integrated into another
One system, or some features can ignore or not execute.In addition, shown or discussed mutual it
Between coupling direct-coupling or communication connection can be by the indirect of some interfaces, device or unit
Coupling is communicated to connect, and can be electrical, mechanical or other forms.
The unit that illustrates as separating component can be or may not be physically separate,
As the part that unit shows can be or may not be physical location, you can be located at a ground
Side, or can also be distributed on multiple NEs.Can select according to the actual needs therein
Some or all of unit is realizing the purpose of this embodiment scheme.
In addition, each functional unit in each embodiment of the invention can be integrated in a processing unit
In, or unit be individually physically present, it is also possible to two or more units are integrated in
In one unit.Above-mentioned integrated unit both can be realized in the form of hardware, it would however also be possible to employ soft
The form of part functional unit is realized.
If the integrated unit is realized using in the form of SFU software functional unit and as independent product pin
When selling or using, can be stored in a computer read/write memory medium.Such understanding is based on,
Part or the technical side that technical scheme is substantially contributed to prior art in other words
The all or part of case can be embodied in the form of software product, the computer software product storage
In a storage medium, use including some instructions so that a computer equipment (can be personal
Computer, server, or network equipment etc.) execute the complete of each embodiment methods described of the invention
Portion or part.And aforesaid storage medium includes：USB flash disk, portable hard drive, read only memory, random
Access memorizer, magnetic disc or CD etc. are various can be with the medium of store program codes.
Below in the application situation of the unmanned plane wifi disturbed tests that schemes to pass based on wifi, this is described
Bright air interference method of testing and systematic difference example.But it will be understood by those skilled in the art that
The solution of the present invention applies also for other situations, is particularly applied to the test for simulating air interference environment.
With reference to Fig. 3, it is schematically shown an application example of the air interference method of testing of the present invention.
As illustrated, for the application of unmanned plane wifi disturbed tests, the air interference test can be wireless
Carry out in screened room.Wireless shielding indoor deployment has：Wireless transmitting terminals AP, in this embodiment for example
For unmanned plane；Receiving terminal, in this embodiment for example, smart mobile phone；Repeater, unmanned plane with
Smart mobile phone sets up wireless communication connection by repeater, but in other embodiments, repeater is simultaneously
Nonessential；First access point AP1, its are used as controllable interference source (and jamming equipment), for controllably
Simulation wifi interference environments；And the applied in network performance test device with the first access point AP1 communication connections,
Which is two notebook computers for being separately operable iperf clients and iperf servers in the enforcement.
First, by wireless transmission control unit, make unmanned plane AP by repeater and smart mobile phone it
Between communicate to connect, to send image data to smart mobile phone.User can be seen by smart mobile phone
The real-time video that unmanned plane sends, and can Real Time Observation to the image that causes of interference or video interim card,
The phenomenons such as time delay.Then, the communication link between unmanned plane AP and smart mobile phone is obtained by acquiring unit
The channel for connecing, is the first channel (channel X) in this embodiment.
Thereafter, jamming equipment is made to send interference signal by disturbing control unit.In this embodiment,
There are two jamming equipments, respectively AP1 and AP2, they are respectively using the first channel (channel X)
Interference signal is sent with second channel (channel Y).Second channel is different from the first channel, preferably
Adjacent with the first channel bands.Interference control unit can also arrange the jamming power rank of interference signal,
And make jamming equipment send interference signal with set jamming power rank.Take this to create controllable mould
Intend interference environment.
Although only illustrating two jamming equipments in Fig. 1, but it will be understood by those skilled in the art that interference
Equipment can have multiple, and they send channel that interference signal used can with identical or different,
To simulate increasingly complex interference environment.
Afterwards, the packet loss for being transmitted by detector unit data detection signal.
It is possible to further judge the packet loss for detecting whether in tolerance by judging unit.
When packet loss exceeds tolerance, different packet loss models are set by through-put power arranging unit
Corresponding transmission power level is enclosed, and is detected in set different transmission work(successively by detector unit
During rate rank, the packet loss of view data transmission.
With reference to Fig. 4, it is schematically shown the Another Application example of the air interference method of testing of the present invention.
As illustrated, its interference of further simulated range loss to radio communication.
In order to simulated range is decayed, wireless transmission control unit can be with according to distance decay model setting
Data signal transmission power level, and unmanned plane is made with set transmission power level transmission picture number
According to.For example, wireless transmitting terminals AP of unmanned plane are also equipped with transmission power adjustment device, in nothing
Under the control of line transmission control unit, radio transmitted power is adjusted, there is provided the dough softening of transmission power,
With the interference that simulated range is caused to the view data transmission of unmanned plane.
Distance decay model can be using loss computing method be wirelessly transferred, from the dough softening of transmission power
Computed losses distance.It is for instance possible to use formula：L=42.6+26lgd+20lgf come computed losses away from
From.
With reference to Fig. 5, it is schematically shown the another application example of the air interference method of testing of the present invention.
As illustrated, which schematically shows another kind of situation of range simulation.Shown enforcement in Figure 5
In example, wireless shielding indoor deployment has partly shielding effect box, and the partly shielding effect box is carried to wireless transmitting terminals AP
For controllable wireless shielding, and can pass through to adjust the degree of screening to wireless transmitting terminals, be calculated and decline
Subtract distance, with the interference that simulated range is caused to wireless network performance.
Wireless transmission control unit can be with according to distance decay model setting data signal transmission power stage
Not, and by controlling wireless shielding degree, unmanned plane is made with set transmission power level transmission image
Data, with the interference that simulated range is caused to the view data transmission of unmanned plane.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all
Any modification, equivalent and improvement for being made within the spirit and principles in the present invention etc., all should include
Within protection scope of the present invention.
Claims (10)
1. a kind of air interference method of testing, it is characterised in that including step：
Devices to test is made to pass through radio communication by data signal transmission to receiving terminal；
Obtain the channel used by the radio communication of Devices to test；
One or more jamming equipments are made to send interference signal successively；
The packet loss that data detection signal is transmitted successively.
2. air interference method of testing as claimed in claim 1, it is characterised in that jamming equipment is sent out
Go out channel that interference signal used identical with the channel used by the radio communication of Devices to test or not
With.
3. air interference method of testing as claimed in claim 1, it is characterised in that also include step：
Judge detected packet loss whether in tolerance；
When judging that packet loss exceeds tolerance, the corresponding transmission of different packet loss scopes is set
Power level；
Detected in set different transmission power levels successively, the packet loss of data signal transmission.
4. air interference method of testing as claimed in claim 1, it is characterised in that in Devices to test
In by radio communication by data signal transmission to receiving terminal the step of include：
According to distance decay model, data signal transmission power level is set；
Devices to test is made with set transmission power level transmission data signal.
5. air interference method of testing as claimed in claim 1, it is characterised in that make or many
The step of individual jamming equipment sends interference signal successively includes：
The jamming power rank of interference signal is set；
Jamming equipment is made to send interference signal with set jamming power rank.
6. a kind of air interference test system, it is characterised in that the system includes：
Wireless transmission control unit, for making Devices to test arrive data signal transmission by radio communication
Receiving terminal；
Channel acquiring unit, for taking the channel used by the radio communication of Devices to test；
Interference control unit, for making one or more jamming equipments send interference signal successively；
Detector unit, for the packet loss of the transmission of data detection signal successively.
7. air interference test system as claimed in claim 6, it is characterised in that interference control is single
Unit is additionally operable to the channel for making one or more jamming equipments be used using the radio communication with Devices to test
Identical or different channel sends interference signal successively.
8. air interference test system as claimed in claim 6, it is characterised in that also include：
Whether judging unit, for judging detected packet loss in tolerance；
Through-put power arranging unit, for when judging that packet loss exceeds tolerance, arranging different
The corresponding transmission power level of packet loss scope；
And the detector unit is additionally operable to be detected in set different transmission power levels successively,
The packet loss of data signal transmission.
9. air interference test system as claimed in claim 6, it is characterised in that be wirelessly transferred control
Unit processed is additionally operable to：
According to distance decay model, data signal transmission power level is set；
Devices to test is made with set transmission power level transmission data signal.
10. air interference method of testing as claimed in claim 6, it is characterised in that the interference
Control unit is additionally operable to：
The jamming power rank of interference signal is set；
Jamming equipment is made to send interference signal with set jamming power rank.
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| CN201510559462.1A CN106507385A (en) | 2015-09-06 | 2015-09-06 | A kind of air interference method of testing and system |
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| CN201510559462.1A CN106507385A (en) | 2015-09-06 | 2015-09-06 | A kind of air interference method of testing and system |
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| CN107395266A (en) * | 2017-08-21 | 2017-11-24 | 中国电子科技集团公司第五十四研究所 | Distributed UAV TT ＆ C's Data-Link integrated test system and method |
| CN107528645A (en) * | 2017-07-21 | 2017-12-29 | 芜湖赛宝机器人产业技术研究院有限公司 | A kind of Novel industrial robot switch board signal interference test system |
| CN108055671A (en) * | 2017-12-13 | 2018-05-18 | 深圳创维－Rgb电子有限公司 | More equipment communication means, device, equipment and storage medium |
| CN108174393A (en) * | 2017-12-25 | 2018-06-15 | 广东欧珀移动通信有限公司 | Communication means, electronic device and computer readable storage medium |
| CN109462866A (en) * | 2018-12-26 | 2019-03-12 | 深圳市吉祥腾达科技有限公司 | The automatic channel test method of wireless router |
| CN110233685A (en) * | 2019-05-16 | 2019-09-13 | 德凯认证服务（苏州）有限公司 | A kind of wireless signal mutual interference test method and its test macro |
| CN110907741A (en) * | 2019-12-18 | 2020-03-24 | 中国人民解放军战略支援部队信息工程大学 | Equivalent substitution test system and method for radio anechoic chamber radiation interference effect of unmanned aerial vehicle flight control module |
| CN115086201A (en) * | 2022-05-10 | 2022-09-20 | 中汽创智科技有限公司 | Vehicle-mounted Ethernet test method, device and system |
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| CN110233685B (en) * | 2019-05-16 | 2021-10-08 | 德凯认证服务（苏州）有限公司 | Wireless signal coexistence interference test method and test system thereof |
| CN110907741A (en) * | 2019-12-18 | 2020-03-24 | 中国人民解放军战略支援部队信息工程大学 | Equivalent substitution test system and method for radio anechoic chamber radiation interference effect of unmanned aerial vehicle flight control module |
| CN110907741B (en) * | 2019-12-18 | 2022-04-08 | 中国人民解放军战略支援部队信息工程大学 | Equivalent substitution test system and method for radio anechoic chamber radiation interference effect of unmanned aerial vehicle flight control module |
| CN115086201A (en) * | 2022-05-10 | 2022-09-20 | 中汽创智科技有限公司 | Vehicle-mounted Ethernet test method, device and system |
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Application publication date: 20170315 |