CN209731579U - A kind of USB wireless network card equipment radio roaming function test system - Google Patents
A kind of USB wireless network card equipment radio roaming function test system Download PDFInfo
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- CN209731579U CN209731579U CN201920605599.XU CN201920605599U CN209731579U CN 209731579 U CN209731579 U CN 209731579U CN 201920605599 U CN201920605599 U CN 201920605599U CN 209731579 U CN209731579 U CN 209731579U
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Abstract
The utility model provides a kind of USB wireless network card equipment radio roaming function test system, including radio network controller, wireless access point, programmable attenuator, pc client and wireless network card to be measured, wherein, the wireless access point, wireless network card to be measured are separately positioned in independent shielded box, the wireless access point is connect by cable with the radio network controller, and the shielded box where the wireless access point is connect by radio frequency line with the programmable attenuator.The beneficial effects of the utility model are: being interfered data when leading to long testing time, retest devious when solving the problems, such as to test roaming function under open environment by ambient enviroment, provide a stable test environment, improve testing efficiency, test environment high recycling rate, testing cost is reduced, is conducive to obtain accurate test result.
Description
Technical field
The utility model relates to wireless network card tests more particularly to a kind of USB wireless network card equipment radio roaming function to survey
Test system.
Background technique
After radio roaming function refers to and has multiple wireless access point to open radio roaming function in the same local area network,
Their wireless signal title, cipher mode and wireless keys having the same, and their coverage area has certain weight
It closes, when coverage area of the mobile wireless client from the coverage area of a wireless access point to another wireless access point,
Energy automatic selecting signal more preferably wireless signal is attached, and guarantees continual network connection.
In the prior art, the radio roaming functional test of USB wireless network card is wireless by three under open environment
The wireless access point that overlay area has the different location being centainly overlapped deployment to open radio roaming function, and these three are wireless
The LAN mouth of access point is all connected on same radio network controller by cable.It is inserted into and has installed on one pc client
The USB wireless network card of good driver, the wireless signal of wireless access point, watches certain video or voice service in connection
Stream, and need to walk about back and forth in these three different locations, by the Business Stream of video or voice, whether Caton is to determine USB
Whether wireless network card has been carried out radio roaming.
Such test macro has the following deficiencies:
(1) test environment is open environment, and surrounding wireless propagation path and air interference be easy to happen variation, exist by
Caused by surrounding air interference a possibility that business Caton, the variable for testing environment is more, can not single judgement radio roaming function
Test result, and test data in different time periods is difficult to be compared；
(2) it is difficult to obtain accurate numerical value opening come support function by the viewing experience of video or voice when testing
Hair；
(3) leveling, duplex-building or villa of the higher large area of the expense of renting are needed when testing, and is tested every time all
Labor intensive is needed to build test environment, cost input is high.
Summary of the invention
In order to solve the problems in the prior art, the utility model provides a kind of USB wireless network card equipment radio roaming
Function test system.
The utility model provides a kind of USB wireless network card equipment radio roaming function test system, including wireless network
Controller, wireless access point, programmable attenuator, pc client and wireless network card to be measured, wherein the wireless access point, to
It surveys wireless network card to be separately positioned in independent shielded box, the wireless access point passes through cable and the radio network controller
Connection, the shielded box where the wireless access point are connect by radio frequency line with the programmable attenuator, and described may be programmed is declined
Subtract device to connect by radio frequency line with the shielded box where the wireless network card to be measured, the programmable attenuator and the PC client
End connection, the pc client are connect with the shielded box where the wireless network card to be measured by USB line.
As a further improvement of the utility model, the wireless access point at least there are two, each is described wirelessly to connect
Access point correspondence is mounted in an independent shielded box, and corresponding described may be programmed of each described wireless access point is declined
Subtract device.
As a further improvement of the utility model, there are three the wireless access point, respectively the first wireless access point,
Second wireless access point and third wireless access point, there are three the programmable attenuators, respectively the first programmable attenuator,
Second programmable attenuator and third programmable attenuator, the shielded box where first wireless access point can be compiled by first
Journey attenuator is connect with the shielded box where the wireless network card to be measured, and the shielded box where second wireless access point passes through
Second programmable attenuator is connect with the shielded box where the wireless network card to be measured, the screen where the third wireless access point
It covers case to connect by third programmable attenuator with the shielded box where the wireless network card to be measured, the described first programmable decaying
Device, the second programmable attenuator, third programmable attenuator are connect with the pc client respectively.
The wireless access point supports radio roaming function as a further improvement of the utility model, described wirelessly to connect
The transmission power of access point is identical.
As a further improvement of the utility model, the programmable attenuator by RS232 universal serial port line with it is described
Pc client connection.
Shielded box where the wireless access point, wireless network card to be measured institute as a further improvement of the utility model,
Shielded box in be equipped with and prevent the suction wave layer of signal reflex, shielded box, wireless network to be measured where the wireless access point
Shielded box where card is each equipped with USB interface, power outlet, Ethernet interface, SMA interface and radio frequency interface, and the SMA connects
Mouth is connected with antenna.
The beneficial effects of the utility model are: through the above scheme, when solving the test roaming function under open environment
Data problem devious when leading to long testing time, retest is interfered by ambient enviroment, provides a stable test
Environment improves testing efficiency, tests environment high recycling rate, reduces testing cost, be conducive to obtain accurate survey
Test result.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of USB wireless network card equipment radio roaming function test system of the utility model.
Specific embodiment
The utility model is described in further detail for explanation and specific embodiment with reference to the accompanying drawing.
As shown in Figure 1, a kind of USB wireless network card equipment radio roaming function test system, including radio network controller
1, wireless access point, programmable attenuator, pc client 5 and wireless network card to be measured 6, wherein the wireless access point, nothing to be measured
Gauze card 6 is separately positioned in independent shielded box, and the wireless access point is connected by cable and the radio network controller 1
It connects, the shielded box where the wireless access point is connect by radio frequency line with the programmable attenuator, the programmable decaying
Device is connect by radio frequency line with the shielded box 7 where the wireless network card 6 to be measured, the programmable attenuator and the PC client
5 connection of end, the pc client 5 are connect with the shielded box 7 where the wireless network card 6 to be measured by USB extended line, the PC
(computer) client 5 can control the pad value of the programmable attenuator.
As shown in Figure 1, the wireless access point at least there are two, each described wireless access point correspondence is mounted on one
In a independent shielded box, each described wireless access point corresponds to a programmable attenuator.
As shown in Figure 1, there are three the wireless access point, respectively the first wireless access point 21, the second wireless access point
22 and third wireless access point 23, there are three the programmable attenuators, and respectively the first programmable attenuator 41, second can be compiled
Journey attenuator 42 and third programmable attenuator 43, the shielded box 31 where first wireless access point 21 can be compiled by first
Journey attenuator 41 is connect with the shielded box 7 where the wireless network card 6 to be measured, the shielding where second wireless access point 22
Case 32 is connect by the second programmable attenuator 42 with the shielded box 7 where the wireless network card 6 to be measured, and the third wirelessly connects
Shielded box 33 where access point 23 is connected by the shielded box 7 where third programmable attenuator 43 and the wireless network card to be measured 6
It connects, first programmable attenuator 41, the second programmable attenuator 42, third programmable attenuator 43 pass through RS232 respectively
Universal serial port line is connect with the pc client 5, the first wireless access point 21, the second wireless access point 22 and third wireless access
The wireless signal of point 23 can be programmable by radio frequency line the first programmable attenuator 41, the second programmable attenuator 42 and third
Attenuator 43 is finally delivered to the antenna of shielded box 7.
As shown in Figure 1, first wireless access point 21, the second wireless access point 22 support radio roaming function, institute
It is identical to state the first wireless access point 21, the transmission power of the second wireless access point 22.
As shown in Figure 1, being equipped with the suction wave layer for preventing signal reflex, the shielded box in the shielded box 31,32,33,7
31, it 32,33,7 USB3.0 interface, 220V power outlet, gigabit ethernet interface, 12 SMA interfaces and radio frequency is each equipped with connects
Mouth, the SMA interface are connected with dual-band antenna, and the pc client 5 installs the driver of wireless network card 6 to be measured, and will
USB extended line is connected on the USB interface of pc client 5 and the USB external tapping of shielded box 7, and the wireless network card 6 to be measured is inserted into
On USB inner joint in shielded box 7, by USB external tapping, USB extended line, allow the pc client 5 identify this to
Wireless network card 6 is surveyed, wireless network card 6 to be measured is USB wireless network card.
As shown in Figure 1, radio network controller 1 is connect with shielded box 31,32,33 respectively by gigabit network cable.
As shown in Figure 1, a kind of USB wireless network card equipment radio roaming function test system, by right on pc client 5
The pad value of programmable attenuator is modified, to change some wireless access point signal that wireless network card 6 to be measured receives
Power, thus realize that wireless network card 6 to be measured roams into the stronger wireless access point of signal from the weaker wireless access point of signal,
And the wireless signal MAC Address that wireless network card 6 to be measured connects, ping radio network controller 1 on pc client 5 are recorded in real time
The delay and packet loss size of the address IP, and test data when closing roaming function is compared, it has judged whether to wirelessly unrestrained
Trip.
As shown in Figure 1, a kind of USB wireless network card equipment radio roaming function test system provided by the utility model, tool
Body test process is as follows:
S1, the first programmable attenuator 41, the second programmable attenuator 42, third programmable attenuator 43 are respectively set
Different pad value X1, X2, X3, and X3 > X2 > X1, the first wireless access point 21, the second wireless access point 22, third wirelessly connect
The corresponding wireless MAC address of access point 23 is denoted as the first MAC Address, the second MAC Address, third MAC Address respectively；
S2, wireless network card to be measured 6 first connect wireless signal, obtain mesh by CMD order netsh wlan show int
The MAC Address of the wireless signal of preceding connection is compared with expected the first obtained MAC Address；
S3, on pc client 5 by the address IP of CMD order ping radio network controller 1 always, and look into real time
See delay and packet loss；
S4, the pad value for gradually increasing the first programmable attenuator 41, step value 1dB, while gradually decreasing second can
The pad value for programming attenuator 42 and third programmable attenuator 43, checks always the nothing of connection according to step S2 and S3 in the process
The MAC Address of line signal and delay and the packet loss of ping packet, until pad value X1 > X3 > X2 of setting, compares connection
The MAC Address of wireless signal and expected the second obtained MAC Address；
S5, the pad value for gradually increasing the second programmable attenuator 42, step value 1dB, while gradually decreasing first can
The pad value for programming attenuator 41, third programmable attenuator 43, checks always the nothing of connection according to step S2 and S3 in the process
The MAC Address of line signal and delay and the packet loss of ping packet, until pad value X2 > X1 > X3 of setting, compares connection
The MAC Address of wireless signal and expected obtained third MAC Address；
S6, the pad value for gradually increasing third programmable attenuator 43, step value 1dB, while gradually decreasing first can
The pad value for programming attenuator 41, the second programmable attenuator 42, checks always the nothing of connection according to step S2 and S3 in the process
The MAC Address of line signal and delay and the packet loss of ping packet, until pad value X3 > X2 > X1 of setting, compares connection
The MAC Address of wireless signal and expected the first obtained MAC Address；
S7, by the MAC Address variation of wireless signal that wireless network card 6 to be measured connects and every time variation when first may be programmed
Attenuator 41, the second programmable attenuator 42, the pad value of third programmable attenuator 43, the delay of ping packet and packet loss
All it is recorded in test report；
S8, the radio roaming function of closing wireless network card to be measured, and the step of executing S1 to S7 again, comparison is opened wireless
Roaming function and the test result for closing radio roaming function, when opening radio roaming, the wireless signal MAC Address of connection becomes
Change it is consistent with expected MAC Address, and ping packet delay and packet loss less than closing radio roaming when ping packet delay
And packet loss, then radio roaming is successfully tested, otherwise, radio roaming test crash.
As shown in Figure 1, the SSID of the first wireless access point 21, the second wireless access point 22, third wireless access point 23, close
Code, cipher mode all use identical setting.
A kind of USB wireless network card equipment radio roaming function test system provided by the utility model, by PC client
Modification on end 5 to three programmable attenuator pad values, thus it is possible to vary some wireless access that wireless network card 6 to be measured receives
The power of point signal, to realize that wireless network card 6 to be measured roams into the stronger nothing of signal from the weaker wireless access point of signal
Line access point, and the wireless signal MAC Address that wireless network card 6 to be measured connects is recorded in real time, ping wireless network on pc client 5
The delay and packet loss size of the address IP of controller 1, and compare close roaming function when test data, judge whether into
Radio roaming is gone, solve is caused the testing time long, again when testing roaming function under open environment by ambient enviroment interference
Data problem devious when repetition measurement tries provides a stable test environment, improves testing efficiency, high recycling rate.
A kind of USB wireless network card equipment radio roaming function test system provided by the utility model, has the advantage that
1, the wireless signal for being transferred to different radio access point in wireless network card shielded box using attenuator control is strong and weak, can
To completely cut off interference wireless under perimetered open environment, test environment is identical when different time sections are tested, can be used for different product without
Line roaming function contrast test, and the positioning time developed is reduced in discovery feature problem, orientation problem efficiency is improved, is surveyed
Test ring border is reliable and stable.
2, pass through the wireless signal MAC Address variation of wireless network card connection, ping packet delay, packet loss in record test process
Rate, pad value can show that data are used to that developer to be instructed to optimize radio roaming function, when by comparing progress radio roaming
The relationship of pad value and ping packet delay, packet loss can allow developer that suitable signal strength is arranged to wireless network card to be measured
Selection mechanism carries out radio roaming, and the ping packet delay of radio roaming and packet loss are reduced.
3, can be used for a long time after the test macro is put up, every time test when only need replacing wireless network card to be measured with
And its driving, personnel are without walking about when test, it is only necessary to operate pc client and tested, improve testing efficiency, reduce at
This.
It, cannot the above content is specific preferred embodiment further detailed description of the utility model is combined
Assert that the specific implementation of the utility model is only limited to these instructions.For the ordinary skill of the utility model technical field
For personnel, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made, should all regard
To belong to the protection scope of the utility model.
Claims (6)
1. a kind of USB wireless network card equipment radio roaming function test system, it is characterised in that: including radio network controller,
Wireless access point, programmable attenuator, pc client and wireless network card to be measured, wherein the wireless access point, wireless network to be measured
Card is separately positioned in independent shielded box, and the wireless access point is connect by cable with the radio network controller, institute
Shielded box where stating wireless access point is connect by radio frequency line with the programmable attenuator, and the programmable attenuator passes through
Radio frequency line is connect with the shielded box where the wireless network card to be measured, and the programmable attenuator is connect with the pc client,
The pc client is connect with the shielded box where the wireless network card to be measured by USB line.
2. USB wireless network card equipment radio roaming function test system according to claim 1, it is characterised in that: described
Wireless access point at least there are two, each described wireless access point correspondence is mounted in an independent shielded box, it is each
A wireless access point corresponds to a programmable attenuator.
3. USB wireless network card equipment radio roaming function test system according to claim 2, it is characterised in that: described
There are three wireless access point, respectively the first wireless access point, the second wireless access point and third wireless access point, described to compile
There are three journey attenuators, respectively the first programmable attenuator, the second programmable attenuator and third programmable attenuator, described
Shielded box where first wireless access point passes through the shielded box where the first programmable attenuator and the wireless network card to be measured
Connection, the shielded box where second wireless access point pass through where the second programmable attenuator and the wireless network card to be measured
Shielded box connection, shielded box where the third wireless access point passes through third programmable attenuator and described to be measured wireless
Shielded box connection where network interface card, first programmable attenuator, the second programmable attenuator, third programmable attenuator point
It is not connect with the pc client.
4. USB wireless network card equipment radio roaming function test system according to claim 3, it is characterised in that: described
Wireless access point supports radio roaming function, the transmission power of the wireless access point identical.
5. USB wireless network card equipment radio roaming function test system according to claim 1, it is characterised in that: described
Programmable attenuator is connect by RS232 universal serial port line with the pc client.
6. USB wireless network card equipment radio roaming function test system according to claim 1, it is characterised in that: described
It is equipped with the suction wave layer for preventing signal reflex in the shielded box where shielded box, wireless network card to be measured where wireless access point,
The shielded box where shielded box, wireless network card to be measured where the wireless access point be each equipped with USB interface, power outlet,
Ethernet interface, SMA interface and radio frequency interface, the SMA interface are connected with antenna.
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| CN201920605599.XU CN209731579U (en) | 2019-04-29 | 2019-04-29 | A kind of USB wireless network card equipment radio roaming function test system |
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| CN201920605599.XU CN209731579U (en) | 2019-04-29 | 2019-04-29 | A kind of USB wireless network card equipment radio roaming function test system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110012487A (en) * | 2019-04-29 | 2019-07-12 | 深圳市吉祥腾达科技有限公司 | A kind of USB wireless network card equipment radio roaming function test system and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110012487A (en) * | 2019-04-29 | 2019-07-12 | 深圳市吉祥腾达科技有限公司 | A kind of USB wireless network card equipment radio roaming function test system and method |
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