CN108306693A - A kind of wireless performance test method and system based on programmable attenuator - Google Patents
A kind of wireless performance test method and system based on programmable attenuator Download PDFInfo
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- CN108306693A CN108306693A CN201810057364.1A CN201810057364A CN108306693A CN 108306693 A CN108306693 A CN 108306693A CN 201810057364 A CN201810057364 A CN 201810057364A CN 108306693 A CN108306693 A CN 108306693A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/0082—Monitoring; Testing using service channels; using auxiliary channels
- H04B17/0087—Monitoring; Testing using service channels; using auxiliary channels using auxiliary channels or channel simulators
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/10—Monitoring; Testing of transmitters
- H04B17/15—Performance testing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/20—Monitoring; Testing of receivers
- H04B17/29—Performance testing
-
- 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
- H04B17/3911—Fading models or fading generators
Abstract
The present invention provides a kind of wireless performance test method and system based on programmable attenuator, wherein method include that step S10 first terminals set default pad value to current attenuation value, and control programmable attenuator and be adjusted to current attenuation value；Under current attenuation value, second terminal is carried out data transmission with third terminal by router step S20, and second terminal or/and third terminal obtain and record the corresponding wireless performance parameter of router, and are sent to first terminal；Step S30 first terminals control programmable attenuator and adjust current attenuation value in default adjusting range, and execute step S20.System includes first terminal, programmable attenuator, router, second terminal, third terminal.The present invention simulates the case where signal strength changes at random in actual environment by adjusting programmable attenuator at random, realizes the purpose that radio capability data and record are accurately tested out after each signal intensity swing.
Description
Technical field
The present invention relates to wireless communication technique field, espespecially a kind of wireless performance test method based on programmable attenuator
And system.
Background technology
In wireless product actual use at present, due to the variation of actual environment, lead to the variation of wireless signal strength, to
Wireless performance is set to fluctuate.Some present wireless products have such a problem, when negotiated speed since certain factors decline
Afterwards, even if can not be increased again if negotiated speed after the disappearance of these factors.The prior art will only decline always during the test
Subtract increase, negotiated speed is being reduced always, without the step of again reducing decaying, can not be tested out after negotiated speed reduces again
The case where secondary raising.
For the above situation, this application provides a kind of technical solutions solving the above technical problem.
Invention content
The object of the present invention is to provide a kind of wireless performance test method and system based on programmable attenuator, by with
Machine adjusts programmable attenuator to simulate the case where signal strength changes at random in actual environment, realizes each signal intensity swing
Radio capability data is accurately tested out afterwards and is recorded.
Technical solution provided by the invention is as follows：
A kind of wireless performance test method based on programmable attenuator, including：Step S10 first terminals are by default decaying
Value is set as current attenuation value, and controls programmable attenuator and be adjusted to the current attenuation value；Step S20 currently declines described
Under depreciation, second terminal is carried out data transmission with third terminal by router, the second terminal or/and the third terminal
The corresponding wireless performance parameter of router is obtained and recorded, and is sent to the first terminal；First terminal control described in step S30
It makes the programmable attenuator and adjusts the current attenuation value in default adjusting range, and execute step S20.
Preferably, further include before step S10：First terminal described in step S00 obtains the default pad value.
Preferably, step S00 is specifically included：First terminal described in step S01 declines according to default decaying step value default
Subtract the pad value that the programmable attenuator is controlled to adjust in range；Each decaying of the step S02 in the programmable attenuator
Under value, the second terminal is carried out data transmission with the third terminal by router, the second terminal or/and described
Three terminals obtain and record the corresponding wireless performance parameter of the router, and are sent to the first terminal；Described in step S03
After first terminal receives the wireless performance parameter, successively by the difference of the corresponding wireless performance parameter of two neighboring pad value into
Row compares, and sets pad value smaller in the corresponding two neighboring pad value of the difference of maximum wireless performance parameter to institute
State default pad value.
Preferably, step S30 is specifically included：First terminal described in step S31 controls the programmable attenuator default
The adjustment current attenuation value in adjusting range；Whether first terminal described in step S32 judges the current attenuation value default
It is to then follow the steps S20 in attenuation range, it is no to then follow the steps S10.
The present invention also provides a kind of, and the wireless performance based on programmable attenuator tests system, is based on using above-mentioned
The wireless performance test method of programmable attenuator, the system comprises：First terminal, programmable attenuator, router, second
Terminal, third terminal；The first terminal is connected with programmable attenuator communication, and the second terminal passes sequentially through described
Programmable attenuator and the router are connected with third terminal communication；The first terminal is worked as being arranged and adjusting
Preceding pad value, and control the programmable attenuator and be adjusted to the current attenuation value；The second terminal is whole with the third
End obtains and records the router under the current attenuation value, being carried out data transmission by the router and correspond to
Wireless performance parameter, and be sent to the first terminal.
Preferably, the first terminal includes：Acquisition module；The acquisition module is for obtaining default pad value.
Preferably, the acquisition module is additionally operable to obtain default attenuation range and default decaying step value；Described first
Terminal is additionally operable to, according to default decaying step value, the decaying of the programmable attenuator be controlled to adjust in default attenuation range
Value；The second terminal is additionally operable to the third terminal under each pad value of the programmable attenuator, by described
Router carries out data transmission, and obtains and record the corresponding wireless performance parameter of router, and be sent to the first terminal；Institute
It further includes comparing module to state first terminal, after receiving the wireless performance parameter, is successively corresponded to two neighboring pad value
The difference of wireless performance parameter be compared；The acquisition module is additionally operable to obtain in the comparison module result maximum
Wireless performance parameter the corresponding two neighboring pad value of difference in smaller pad value be the default pad value.
Preferably, the first terminal further includes：Judgment module；The judgment module is for judging the current attenuation value
Whether in default attenuation range.
Preferably, further include：Shielded box；The router is positioned in the shielded box.
Preferably, the second terminal includes：Wireless network card；The wireless network card described in the connection of cable lines by that can compile
Journey attenuator；The programmable attenuator connects the router by cable lines；The third terminal connects institute by cable
State router.
The wireless performance test method and system based on programmable attenuator provided through the invention, can bring following
At least one advantageous effect：
1, in the present invention, programmable attenuator is adjusted not in accordance with the mode of stepping, but is adjusted at random,
And by accompanying the data transmission test between surveying terminal to go out corresponding wireless performance parameter under the pad value that random adjustment generates,
To simulate the case where signal strength changes at random in actual environment, and negotiated speed is simulated due to certain disturbing factors
After decline, after these disturbing factors disappear, the case where negotiated speed increases again, reaching test data, really reflection actually makes
With the purpose of situation.
2, in the present invention, it before carrying out wireless performance test, by being tested in advance in particular range, can obtain
To the corresponding pad value of inflection point of wireless performance from peak value dramatic decrease, and follow-up test is made to surround the corresponding pad value of the inflection point
It carries out, so that test is more targeted, more accurately tests out the wireless performance of router.
3, in the present invention, wireless performance test is tested in a specific range, i.e., can be true at one
It is tested in the case of real simulation actual environment, when super go beyond the scope, needs to reset test point to make test
It returns in the particular range, to ensure that test data is authentic and valid and more reference value, avoids generating hash
More waste the testing time simultaneously.
4, in the present invention, router to be measured is placed wherein using shielded box, to which isolating electromagnetic passes through air coupling
Close, provide a glitch-free test environment, at the same using cable lines connect router to be measured, programmable attenuator and
Survey terminal is accompanied, rather than antenna and technology for radio frequency is not used to be attached, electricity caused by the radiation of antenna can be reduced
Magnetic wave interferes, and promotes accuracy and the reliability of detection.
Description of the drawings
Below by a manner of clearly understandable, preferred embodiment is described with reference to the drawings, to one kind based on programmable decaying
The wireless performance test method of device and above-mentioned characteristic, technical characteristic, advantage and its realization method of system are further described.
Fig. 1 is the flow chart of one embodiment of the wireless performance test method based on programmable attenuator of the present invention；
Fig. 2 is the flow chart of another embodiment of the wireless performance test method based on programmable attenuator of the present invention；
Fig. 3 is the flow chart of another embodiment of the wireless performance test method based on programmable attenuator of the present invention；
Fig. 4 is the structural representation of one embodiment of the wireless performance test system based on programmable attenuator of the present invention
Figure；
Fig. 5 is the structural representation of another embodiment of the wireless performance test system based on programmable attenuator of the present invention
Figure.
Drawing reference numeral explanation：
1- first terminals；2- programmable attenuators；3- routers；4- second terminals；5- third terminals；6- shielded boxes；
11- acquisition modules；12- comparing modules；13- judgment modules；41- wireless network cards.
Specific implementation mode
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, control is illustrated below
The specific implementation mode of the present invention.It should be evident that drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, other are can also be obtained according to these attached drawings
Attached drawing, and obtain other embodiments.
To make simplified form, part related to the present invention is only schematically shown in each figure, they are not represented
Its practical structures as product.In addition, so that simplified form is easy to understand, there is identical structure or function in some figures
Component only symbolically depicts one of those, or has only marked one of those.Herein, "one" is not only indicated
" only this ", can also indicate the situation of " more than one ".
One embodiment for the wireless performance test method based on programmable attenuator that the present invention provides a kind of, referring to figure
1, including：Step S10 first terminals set default pad value to current attenuation value, and control programmable attenuator and be adjusted to institute
State current attenuation value；For step S20 under the current attenuation value, second terminal carries out data biography with third terminal by router
Defeated, the second terminal or/and the third terminal obtain and record the corresponding wireless performance parameter of router, and are sent to institute
State first terminal；First terminal described in step S30 controls the programmable attenuator and works as described in adjustment in default adjusting range
Preceding pad value, and execute step S20.
Specifically, in the present embodiment, test topology connection is first built before test, declined programmable using cable lines
Subtract device be concatenated into router and accompany survey third terminal between, setting accompany survey third terminal wireless network card IP address, use net
Line will accompany any one LAN mouthfuls of survey second terminal and router to be connected, and the IP address for surveying second terminal is accompanied in setting, and first is whole
End connects programmable attenuator, the size of control circuit decaying by serial ports.When test, first terminal setting adjusts programmable decline
Subtract device, using default pad value as the starting point of performance test, pad value is adjusted at random in default adjusting range every time, after adjustment
Pad value is then current attenuation value, and is carried out data transmission by second terminal and third terminal under each current attenuation value
It tests out the corresponding performance of router and is recorded, while the performance data tested out is transmitted to first terminal, second eventually
End and third terminal can record Data Concurrent and send to first terminal simultaneously, can also any one data record and send
To first terminal.Assuming that default pad value is set as 60dB, then current attenuation value is 60dB when testing beginning, passes through data at this time
It is the router performance under 60dB states that transmission, which tests out pad value, it is further assumed that default adjusting range is set as positive and negative 5dB, then often
The secondary arbitrary value that can be adjusted in positive and negative 5dB, such as attenuation of the first kind value increase 4dB, then current attenuation value is adjusted to 64dB, this
When again by data transmission test go out pad value be 64dB states under router performance, attenuation of the second kind value reduce 2dB, then when
Preceding pad value is adjusted to 62dB, and it is the router performance under 62dB states to go out pad value by data transmission test again at this time, with
This mode repeats to test.As needed after test several times, each pad value and performance data are subjected to finishing collecting,
Judge whether the data under identical pad value are almost the same, if will appear the property under the highly attenuating value of performance ratio under low pad value
The low situation of energy.
In the present invention, programmable attenuator is adjusted not in accordance with the mode of stepping, but is adjusted at random, and
By accompanying the data transmission test between surveying terminal to go out corresponding wireless performance parameter under the pad value that random adjustment generates, from
And the case where signal strength changes at random in actual environment is simulated, and negotiated speed is simulated due under certain disturbing factors
After drop, after these disturbing factors disappear, the case where negotiated speed increases again, reaches test data and really reflect actual use
The purpose of situation.
On the basis of above example, the present invention also provides one embodiment, with reference to Fig. 2, are also wrapped before step S10
It includes：First terminal described in step S00 obtains the default pad value.
Specifically, in the present embodiment, before test, need to find in advance when router wireless performance drastically declines
It is the i.e. default pad value of the corresponding pad value of wireless performance inflection point to wait, and controls programmable attenuator by first terminal and adjust in advance
Save so far starting point of the pad value as follow-up test.The corresponding pad value of wireless performance inflection point can be found by test, also may be used
The corresponding pad value of wireless performance inflection point is pre-set with the experience by tester.
In another preferred embodiment of the present embodiment, step S00 is specifically included：First eventually described in step S01
End controls to adjust the pad value of the programmable attenuator according to default decaying step value in default attenuation range；Step S02
Under each pad value of the programmable attenuator, the second terminal carries out data with the third terminal by router
Transmission, the second terminal or/and the third terminal obtain and record the corresponding wireless performance parameter of the router, concurrently
It send to the first terminal；After first terminal described in step S03 receives the wireless performance parameter, successively by two neighboring decaying
The difference for being worth corresponding wireless performance parameter is compared, and the difference of maximum wireless performance parameter is corresponding two neighboring
Smaller pad value is set as the default pad value in pad value.
Specifically, in the present embodiment, attenuation range and default decaying stepping are preset in first terminal setting, and are adjusted with this
Save programmable attenuator, respectively under the pad value in default attenuation range and after each stepping, by second terminal with
Third terminal carries out data transmission testing out the corresponding performance of router and be recorded, while the performance data tested out being passed
Transport to first terminal.Assuming that default attenuation range is set as 20dB to 100dB, default decaying stepping is set as 5dB, then needs point
Not Ce Shi pad value be 20dB, 25dB, 30dB ..., 90dB, 95dB, 100dB when router wireless performance.First eventually
After terminating Acceptance Tests data, the difference of the corresponding performance data of two neighboring pad value test point is compared, pad value is worked as
Not up to wireless performance inflection point when, the corresponding performance parameter variations very little of two neighboring pad value, only when reaching wireless performance
When inflection point, performance parameter can change very greatly from peak value dramatic decrease, subsequently when pad value is more than wireless performance inflection point,
Performance parameter tends to be steady again, that is, varies less, therefore when the difference of the corresponding performance parameter of two neighboring pad value is maximum
When, smaller one of previous i.e. pad value in the two neighboring pad value is judged as the corresponding decaying of wireless performance inflection point
Value, i.e., default pad value.
In the present invention, it before carrying out wireless performance test, by being tested in advance in particular range, can obtain
The corresponding pad value of inflection point of wireless performance from peak value dramatic decrease, and make follow-up test around the corresponding pad value of the inflection point into
Row more accurately tests out the wireless performance of router so that test is more targeted.
In another preferred embodiment of the present embodiment, step S30 is specifically included：First eventually described in step S31
End controls the programmable attenuator and adjusts the current attenuation value in default adjusting range；First terminal described in step S32
Judge that the current attenuation value is to then follow the steps S20 whether in default attenuation range, it is no to then follow the steps S10.
Specifically, in the present embodiment, when the pad value of programmable attenuator is decayed after repeatedly adjusting beyond default
When range, needs to reset and continue to test since default pad value.For example, based in above-described embodiment it is assumed that default
Pad value is set as 60dB, and default adjusting range is set as positive and negative 5dB, and default attenuation range is set as 20dB to 100dB, when from
After 60dB begins to pass through repeatedly adjustment, when pad value is more than 100dB or is less than 20dB, again by the decaying of programmable attenuator
Value is set as 60dB, then proceeds by test.
In the present invention, wireless performance test is tested in a specific range, i.e., can be true at one
It is tested in the case of simulation actual environment, when super go beyond the scope, needs to reset test point to test back
Into the particular range, to ensure that test data is authentic and valid and more reference value, avoid generating the same of hash
When more waste the testing time.
On the basis of above example, the present invention also provides one embodiment, referring to Fig.1 shown in -2, including：Step
First terminal described in S01 controls to adjust the programmable attenuator according to default decaying step value in default attenuation range
Pad value；Under each pad value of the programmable attenuator, the second terminal passes through step S02 with the third terminal
Router carries out data transmission, and the second terminal or/and the third terminal obtain and record the corresponding nothing of the router
Line performance parameter, and it is sent to the first terminal；After first terminal described in step S03 receives the wireless performance parameter, according to
The secondary difference by the corresponding wireless performance parameter of two neighboring pad value is compared, and by the difference of maximum wireless performance parameter
It is worth pad value smaller in corresponding two neighboring pad value and is set as the default pad value；Step S10 first terminals will be pre-
If pad value is set as current attenuation value, and controls programmable attenuator and be adjusted to the current attenuation value；Step S20 is described
Under current attenuation value, second terminal is carried out data transmission with third terminal by router, the second terminal or/and described
Three terminals obtain and record the corresponding wireless performance parameter of router, and are sent to the first terminal；First described in step S31
Programmable attenuator described in terminal control adjusts the current attenuation value in default adjusting range；First eventually described in step S32
End judges that the current attenuation value is to then follow the steps S20 whether in default attenuation range, no to then follow the steps S10.
Specifically, in the present embodiment, typical case scene description is as follows：
1, attenuation range and default decaying stepping are preset in first terminal setting, and adjust programmable attenuator with this；
2, whole by second terminal and third respectively under the pad value in default attenuation range and after each stepping
End carries out data transmission testing out the corresponding performance of router and be recorded, while the performance data tested out is transmitted to the
One terminal；
3, first terminal receive test data after, by the difference of the corresponding performance data of two neighboring pad value test point into
Row compares, when the difference maximum of the corresponding performance parameter of two neighboring pad value, before being arranged in the two neighboring pad value
One i.e. pad value smaller one is default pad value.
4, first terminal setting adjusts programmable attenuator, using default pad value as the starting point of performance test, every time pre-
If adjusting pad value in adjusting range at random, the pad value after adjustment is then current attenuation value；
5, carry out data transmission with third terminal testing out router phase by second terminal under each current attenuation value
The performance answered simultaneously is recorded, while the performance data tested out is transmitted to first terminal；
When 6, exceeding default attenuation range after repeatedly adjusting when the pad value of programmable attenuator, need to reset
Continue to test since default pad value.
The wireless performance test method based on programmable attenuator that the present invention also provides a kind of based on programmable decaying
The wireless performance of device tests system, with reference to Fig. 3, including：First terminal 1, programmable attenuator 2, router 3, second terminal 4,
Third terminal 5；The first terminal 1 is connected with the communication of the programmable attenuator 2, and the second terminal 4 passes sequentially through described
Programmable attenuator 2 and the router 3 are connected with the communication of the third terminal 5；The first terminal 1 is for being arranged and adjusting
Whole current attenuation value, and control the programmable attenuator 2 and be adjusted to the current attenuation value；The second terminal 4 with it is described
Third terminal 5 is used under the current attenuation value, is carried out data transmission by the router 3, is obtained and record the road
By the corresponding wireless performance parameter of device, and it is sent to the first terminal 1.
Specifically, in the present embodiment, terminal can be the equipment with programming, communication function such as computer.It is programmable to decline
Subtract device by the adjustable attenuation to radiofrequency signal, realize the simulation to wireless signal, to realize the simulation to test scene.It surveys
Test topology connection is first built before examination, and programmable attenuator is concatenated into router using cable lines and accompanies survey second terminal
Between, the IP address for the wireless network card for surveying second terminal is accompanied in setting, will be accompanied using cable and is surveyed the arbitrary of third terminal and router
One LAN mouthfuls are connected, and setting accompanies the IP address for surveying third terminal, first terminal to connect programmable attenuator, control by serial ports
The size of Line Attenuation processed, and can be controlled to adjust using keyboard input, can also be by pre- in first terminal
The software of dress is programmed control and regulation.Second terminal is carried out with third terminal after programmable attenuator adjusts completion pad value
Data transmission tests out the corresponding performance of router and is recorded, while the performance data tested out is transmitted to first eventually
End, second terminal and third terminal can record Data Concurrent and send to first terminal simultaneously, can also any progress data
Recording and sending is to first terminal.
In the present invention, programmable attenuator is adjusted not in accordance with the mode of stepping, but is adjusted at random, and
By accompanying the data transmission test between surveying terminal to go out corresponding wireless performance parameter under the pad value that random adjustment generates, from
And the case where signal strength changes at random in actual environment is simulated, and negotiated speed is simulated due under certain disturbing factors
After drop, after these disturbing factors disappear, the case where negotiated speed increases again, reaches test data and really reflect actual use
The purpose of situation.
On the basis of above example, the present invention also provides one embodiment, with reference to Fig. 4, including：The first terminal
1 includes：Acquisition module 11；The acquisition module 11 is for obtaining default pad value.Acquisition module can be that mouse, keyboard etc. are defeated
Enter device, for obtaining default pad value.
In another preferred embodiment of the present embodiment, the acquisition module 11 is additionally operable to obtain default decaying model
Enclose and preset decaying step value；The first terminal 1 is additionally operable to according to default decaying step value, in default attenuation range internal control
System adjusts the pad value of the programmable attenuator 2；The second terminal 4 is additionally operable to compile described with the third terminal 5
Under each pad value of journey attenuator 2, carried out data transmission by the router 3, obtains and record the corresponding nothing of router
Line performance parameter, and it is sent to the first terminal 1；The first terminal 1 further includes comparing module 12, for receiving the nothing
After line performance parameter, the difference of the corresponding wireless performance parameter of two neighboring pad value is compared successively；The acquisition mould
The difference that block 11 is additionally operable to obtain maximum wireless performance parameter in the comparison module result corresponding two neighboring declines
Smaller pad value is the default pad value in depreciation.
Specifically, in the present embodiment, acquisition module, which obtains, presets attenuation range and default decaying step value, and first eventually
End controls to adjust the pad value of programmable attenuator according to default decaying step value in default attenuation range, second terminal with
Third terminal is carried out data transmission under each pad value of programmable attenuator by router, and router is obtained and record
Corresponding wireless performance parameter, and it is sent to first terminal, it, successively will be adjacent after comparing module receives the wireless performance parameter
The difference of the corresponding wireless performance parameter of two pad values is compared, when the corresponding wireless performance parameter of two neighboring pad value
Difference maximum when, acquisition module sets pad value smaller in two neighboring pad value to default pad value.
In the present invention, it before carrying out wireless performance test, by being tested in advance in particular range, can obtain
The corresponding pad value of inflection point of wireless performance from peak value dramatic decrease, and make follow-up test around the corresponding pad value of the inflection point into
Row more accurately tests out the wireless performance of router so that test is more targeted.
In another preferred embodiment of the present embodiment, the first terminal 1 further includes：Judgment module 13；Institute
Judgment module 13 is stated for judging the current attenuation value whether in default attenuation range.
On the basis of above example, the present invention also provides one embodiment with reference to Fig. 5 further includes：Shielded box 6；Institute
Router 3 is stated to be positioned in the shielded box 6.
Specifically, in the present embodiment, router to be measured is placed in shielded box.Shielded box is a kind of by electromagnetic capability
It is limited within the scope of certain space, the metallic object for inhibiting radiation interference, to conducting and radiation is handled, is given with realizing
The equipment that tested wireless telecommunications system provides glitch-free test environment.
In another preferred embodiment of the present embodiment, the second terminal 4 includes：Wireless network card 41；It is described
Wireless network card 41 connects the programmable attenuator 2 by cable lines；The programmable attenuator 2 connects institute by cable lines
State router 3；The third terminal 5 connects the router 3 by cable.
Specifically, in the present embodiment, wireless network card is provided in second terminal, wireless network card passes through a Cable connections
Line is connect with programmable attenuator, while adjustable attenuator is connected by the wireless module port of a Cable connecting lines and router
It connects, third terminal passes through LAN mouthfuls of connections of any one of cable and router.
In the present invention, router to be measured is placed wherein using shielded box, to which isolating electromagnetic is by Air Coupling,
A glitch-free test environment is provided, while using cable lines connection router to be measured, programmable attenuator and accompanying survey
Terminal, rather than antenna and technology for radio frequency is not used to be attached, electromagnetic wave caused by the radiation of antenna can be reduced
Interference, promotes accuracy and the reliability of detection.
The present invention simulates the case where signal strength changes at random in actual environment by adjusting programmable attenuator at random,
Realize the purpose that radio capability data and record are accurately tested out after each signal intensity swing.
One of ordinary skill in the art will appreciate that：Realize that all or part of step of above method embodiment can pass through
The relevant hardware of program instruction is completed, and program above-mentioned can be stored in a read/write memory medium, which is executing
When, execute step including the steps of the foregoing method embodiments；And storage medium above-mentioned includes：ROM, RAM, magnetic disc or CD etc. are each
Kind can store the medium of program code.
It should be noted that the contents such as information exchange, implementation procedure in this system between each module and the above method are real
It applies example and is based on same design, particular content can be found in the narration in the method for the present invention embodiment, and details are not described herein again.
It should be noted that above-described embodiment can be freely combined as needed.The above is only the preferred of the present invention
Embodiment, it is noted that for those skilled in the art, in the premise for not departing from the principle of the invention
Under, several improvements and modifications can also be made, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of wireless performance test method based on programmable attenuator, which is characterized in that including：
Step S10 first terminals set default pad value to current attenuation value, and control programmable attenuator be adjusted to it is described
Current attenuation value；
Under the current attenuation value, second terminal is carried out data transmission with third terminal by router step S20, and described
Two terminals or/and the third terminal obtain and record the corresponding wireless performance parameter of router, and are sent to described first eventually
End；
First terminal described in step S30 controls the programmable attenuator and adjusts the current attenuation in default adjusting range
Value, and execute step S20.
2. the wireless performance test method according to claim 1 based on programmable attenuator, which is characterized in that step
Further include before S10：
First terminal described in step S00 obtains the default pad value.
3. the wireless performance test method according to claim 2 based on programmable attenuator, which is characterized in that step
S00 is specifically included：
First terminal described in step S01 controls to adjust described programmable according to default decaying step value in default attenuation range
The pad value of attenuator；
For step S02 under each pad value of the programmable attenuator, the second terminal passes through road with the third terminal
Carried out data transmission by device, it is corresponding wireless that the second terminal or/and the third terminal obtain and record the router
Performance parameter, and it is sent to the first terminal；
It is successively that two neighboring pad value is corresponding wireless after first terminal described in step S03 receives the wireless performance parameter
The difference of performance parameter is compared, and will be smaller in the corresponding two neighboring pad value of the difference of maximum wireless performance parameter
Pad value be set as the default pad value.
4. the wireless performance test method according to claim 1 based on programmable attenuator, which is characterized in that step
S30 is specifically included：
First terminal described in step S31 controls the programmable attenuator and adjusts the current attenuation in default adjusting range
Value；
First terminal described in step S32 judges that the current attenuation value is to then follow the steps whether in default attenuation range
S20, it is no to then follow the steps S10.
5. it is a kind of using any wireless performance test methods based on programmable attenuator of claim 1-4 based on can
The wireless performance for programming attenuator tests system, which is characterized in that including：First terminal, programmable attenuator, router,
Two terminals, third terminal；
The first terminal is connected with programmable attenuator communication, and the second terminal passes sequentially through the programmable decaying
Device and the router are connected with third terminal communication；
The first terminal for being arranged and adjust current attenuation value, and control the programmable attenuator be adjusted to it is described current
Pad value；
The second terminal is used for the third terminal under the current attenuation value, and data biography is carried out by the router
It is defeated, the corresponding wireless performance parameter of the router is obtained and records, and be sent to the first terminal.
6. wireless performance according to claim 5 based on programmable attenuator tests system, which is characterized in that described the
One terminal includes：Acquisition module；
The acquisition module is for obtaining default pad value.
7. the wireless performance according to claim 6 based on programmable attenuator tests system, it is characterised in that；
The acquisition module is additionally operable to obtain default attenuation range and default decaying step value；
The first terminal is additionally operable to, according to default decaying step value, described may be programmed be controlled to adjust in default attenuation range and is declined
Subtract the pad value of device；
The second terminal is additionally operable to the third terminal under each pad value of the programmable attenuator, by described
Router carries out data transmission, and obtains and record the corresponding wireless performance parameter of router, and be sent to the first terminal；
The first terminal further includes comparing module, after receiving the wireless performance parameter, successively by two neighboring decaying
The difference for being worth corresponding wireless performance parameter is compared；
The difference that the acquisition module is additionally operable to obtain maximum wireless performance parameter in the comparison module result corresponds to
Two neighboring pad value in smaller pad value be the default pad value.
8. wireless performance according to claim 5 based on programmable attenuator tests system, which is characterized in that described the
One terminal further includes：Judgment module；
Whether the judgment module is for judging the current attenuation value in default attenuation range.
9. the wireless performance according to claim 5 based on programmable attenuator tests system, which is characterized in that also wrap
It includes：Shielded box；
The router is positioned in the shielded box.
10. the wireless performance according to claim 5 based on programmable attenuator tests system, which is characterized in that described
Second terminal includes：Wireless network card；
The wireless network card connects the programmable attenuator by cable lines；The programmable attenuator is connected by cable lines
Connect the router；The third terminal connects the router by cable.
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