CN106199237A - System for testing equipment antenna - Google Patents
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- CN106199237A CN106199237A CN201610466331.3A CN201610466331A CN106199237A CN 106199237 A CN106199237 A CN 106199237A CN 201610466331 A CN201610466331 A CN 201610466331A CN 106199237 A CN106199237 A CN 106199237A
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- 238000012360 testing method Methods 0.000 title claims abstract description 216
- 238000004891 communication Methods 0.000 claims abstract description 10
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- 238000006243 chemical reaction Methods 0.000 claims description 4
- 241000756943 Codonopsis Species 0.000 claims 2
- 230000008901 benefit Effects 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 24
- 238000005259 measurement Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 230000006870 function Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000002950 deficient Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/08—Measuring electromagnetic field characteristics
- G01R29/10—Radiation diagrams of antennas
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Abstract
The invention relates to a system for testing an antenna of equipment, which comprises a test host, reference equipment and tested equipment, wherein the reference equipment and the tested equipment are in communication connection with the test host; during testing, the reference equipment and the tested equipment respectively acquire the received signal strength value of a transmitted signal and transmit the received signal strength value to the test host; and the test host determines a reference threshold value through the received signal strength value of the reference equipment, and compares the received signal strength value of the tested equipment with the reference threshold value to determine whether the antenna of the tested equipment is qualified. The system provided by the invention has the advantages of accurate test result, test cost saving and test efficiency improvement.
Description
Technical field
The present invention relates to equipment technical field of measurement and test, particularly relate to test the system of device antenna.
Background technology
In the case of wireless device is more and more universal, the prescription for wireless equipment antenna is more and more higher.My god
The not good general that the welding of line and assembling bring has influence on the overall wireless performance of complete machine.For the sky of wireless device during plant produced
The main method of testing that the inspection of wire bonding and assembling is taked at present is coupling measurement, such as Fig. 1, is surveyed with combining by coupling measurement fixture
Instrument is connected, and equipment under test is fixed on fixture, tests the peak power of equipment under test, and by test data and setting
Standard value contrasts, thus judges day wire bonding or assemble the best.
But, there is following limitation in this coupling testing system: 1, needs configure expensive comprehensive test instrument, testing cost
High；And when complete machine has many antennas when, need complete machine every antenna to be placed in the separately test of different stations, further
Increase testing cost high；On the other hand, single station single can only test an equipment, inefficient.
Summary of the invention
Based on this, the embodiment of the present invention provides the system of test device antenna, and test result is accurate, and can save survey
Examination cost, improves testing efficiency.
The present invention provides a kind of system testing device antenna, is connected with described test main-machine communication including test main frame
Reference device and equipment under test；
During test, described reference device and equipment under test obtain respectively to sending the received signal strength value of signal and sending
Give test main frame；Described test main frame determines reference threshold by the received signal strength value of reference device, and by equipment under test
Received signal strength value compare with described reference threshold, the most qualified to determine equipment under test antenna.
Technique scheme, by being communicated to connect with reference device and equipment under test by test main frame, during test, test is main
Machine determines reference threshold by the received signal strength value of reference device, and by the received signal strength value of equipment under test with described
Reference threshold compares, the most qualified to determine equipment under test antenna.By the scheme of the above embodiment of the present invention, use nothing
Need the comprehensive test instrument of specialty, be conducive to controlling testing cost；When equipment under test has many antennas when, by same test main frame
Many antennas all can be checked, it is achieved a station completes all antenna measurements of complete machine；Further, by same test main frame
Multiple stage equipment under test can also be tested simultaneously, save the testing time, improve testing efficiency；Reference threshold can be defeated by user
The value entered determines, or determines the received signal strength value of identical transmission signal according to reference device, and test result is accurate, surveys
Examination mode is flexible.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the system of existing test device antenna；
Fig. 2 is the indicative flowchart of the method for the test device antenna of an embodiment；
Fig. 3 is the indicative flowchart of the method for the test device antenna of another embodiment；
Fig. 4 is the schematic diagram of the system of the test device antenna of an embodiment；
Fig. 5 is the schematic diagram of the system of the test device antenna of another embodiment；
Fig. 6 is the schematic diagram of the system of the test device antenna of another embodiment.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, right
The present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, and
It is not used in the restriction present invention.
Fig. 2 is the indicative flowchart of the method for the test device antenna of an embodiment；In this embodiment it is that with the party
Method illustrates as a example by being applied to test main frame, and described test main frame can be PC.
As in figure 2 it is shown, the method for the test device antenna in the present embodiment includes step:
S10, obtains the reference threshold corresponding with sending signal.
In the embodiment of the present invention, determine that the mode of the reference threshold corresponding with described transmission signal includes: by obtaining
The reference device received signal strength value (i.e. RSSI value) to transmission signal, determines according to the received signal strength value of reference device
Go out the reference threshold corresponding with described transmission signal.Certainly, it is possible to read user's transmission signal set in advance and described corresponding
Reference threshold；
In the embodiment of the present invention, reference device is also referred to as " JINJI " (Golden sample), for in microwave dark room
The equipment that calibration and test performance pass through.
In the embodiment of the present invention, the RSSI value of acquisition is the received signal strength that sends signal corresponding with antenna, such as:
WiFi antenna sends the received signal strength of signal to WiFi router, and Bluetooth antenna sends the transmission signal of equipment to bluetooth
Received signal strength, gps antenna sends the received signal strength of signal, 2G/3G/ to satellite (or gps signal transponder)
4G antenna sends the received signal strength etc. of signal to real net (or signal amplifier).
S11, obtains the equipment under test received signal strength value to described transmission signal；
Preferably, when determining the reference threshold corresponding with described transmission signal with the received signal strength value of reference device
In the case of, in order to improve test accuracy, setting reference device and the equipment under test reception environment phase to described transmission signal
With, the error caused by environmental factors with elimination.
S12, compares the received signal strength value of equipment under test with corresponding reference threshold, true according to comparative result
Determine equipment under test antenna the most qualified；
As a preferred implementation, whether step S12 can be more than by the received signal strength value judging equipment under test
Equal to corresponding reference threshold；The most then it is defined as equipment under test antenna qualified；If it is not, be then defined as equipment under test antenna not
Qualified；
As another preferred implementation, step S12 is also by judging that the received signal strength value of equipment under test is with right
Whether the deviation of the reference threshold answered is in set point；The most then it is defined as equipment under test antenna qualified；If not, it is determined that
Defective for equipment under test antenna.
Above two judges the mode that measurement equipment antenna is the most qualified, in first kind of way, and need to connecing according to reference device
Receive the threshold value that signal strength values determines that the received signal strength value minimum sending signal should be met by equipment under test；The second side
In formula, i.e. determine that equipment under test is in the received signal strength value sending signal according to the received signal strength value of reference device
Between reference value, the deviation in allowed band all can be considered normal.
In the embodiment of the present invention, the received signal strength value according to reference device is determined corresponding with described transmission signal
The mode of reference threshold, corresponding test system structure can be: test main frame (such as PC) and described test main-machine communication are even
The reference device connect and equipment under test.Test main frame is by obtaining reference device and the equipment under test RSSI to identical transmission signal
Value also contrasts, it follows that whether the RSSI value of equipment under test meets the requirements, and only determines that the antenna of equipment under test is
No qualified.
By the way of JINJI determines threshold value in real time, need to be connected simultaneously to JINJI and equipment under test in advance test main frame.
Further, the method for testing of above-described embodiment, a test main frame can be simultaneously connected with multiple stage " JINJI " and multiple stage equipment under test.Connect
Reference threshold A during one JINJI and the calculation of RSSI value B of equipment under test have a following manner:
1) data mode time: simultaneously obtain " JINJI " and the equipment under test RSSI to identical transmission signal after starting to measure
Value, deducts the RSSI value of JINJI an empirical value e and obtains reference threshold A, and the RSSI value of the equipment under test of acquisition is B.
2) average mode: obtain " JINJI " at interval of time T after starting to measure simultaneously and send letter with equipment under test to identical
Number RSSI value, get n RSSI value (JINJI correspondence n RSSI value, equipment under test also corresponding n RSSI value) respectively；Will "
JINJI " n RSSI value be averaged after deduct an empirical value e and obtain reference threshold A, n RSSI value of equipment under test is taken
As RSSI value B of equipment under test after Ping Jun.
3) sequence average mode.After starting to measure, T obtains " JINJI " and equipment under test simultaneously and believes identical transmission interval time
Number RSSI value, get n RSSI value (JINJI correspondence n RSSI value, equipment under test also corresponding n RSSI value) respectively, and
Respectively n RSSI value of JINJI and equipment under test is sorted from small to large, remove a minima and b maximum, to remaining
N-a-b value is averaged；After n the RSSI value of " JINJI " removes a minima and b maximum, remaining RSSI value is taken
An empirical value e is deducted again as reference threshold A after Ping Jun；N the RSSI value that equipment under test obtains removes a minima and b
After individual maximum, as RSSI value B of equipment under test after remaining RSSI value is averaged.
4) quasi-difference mode.Obtain " JINJI " at interval of time T after starting to measure simultaneously and send letter with equipment under test to identical
Number RSSI value, get n RSSI value (JINJI correspondence n RSSI value, equipment under test also corresponding n RSSI value) respectively.Point
Other n the RSSI value to " JINJI " and equipment under test is averaged and variance, represents with parameter u and σ respectively；Reject RSSI value not
Data in the σ numerical range of u ± 3, and remaining data are averaged and variance, update u and σ, until remaining all
RSSI value is all in the range of the σ of u ± 3；" JINJI " and equipment under test obtain final meansigma methods u and variances sigma the most in this way.Calculate
The value of the u-k σ (such as u-σ or u-2 σ or u-3 σ) of " JINJI " remaining data, as reference threshold A, wherein k is more than or equal to 1
Integer, can select according to concrete scene)；Meansigma methods u of the remaining data of the equipment under test after processing is as equipment under test
RSSI value B.
It should be noted that when a test main frame has been simultaneously connected with multiple stage " JINJI ", then go up in four kinds of processing modes
The meansigma methods of the A value that reference threshold A value is multiple stage " JINJI ".
Following several respects content of the antenna of equipment under test can be drawn: 1, antenna match by the antenna measurement of said method
Circuit whether rosin joint and Short Item；2, around antenna resistance or structural member the best；3, antenna itself quality problem (as
The problems such as it thread breakage)；4, sky wire bonding and assembling are the best.
By above-described embodiment test device antenna method, " JINJI " and equipment under test are placed on identical in the environment of,
The RSSI value got is sent to test main frame (or user inputs empirical value to test main frame) by " JINJI ", test main frame
Upper computer software can determine that a reference threshold A according to this RSSI value, and equipment under test is received RSSI value B of signal and also sends
Reference threshold A contrasts to test main frame, test main frame with test value B, to judge equipment under test antenna whether OK, and general
Test result is being tested on main frame in display.The most also test result transmission can be preserved to equipment under test.Based on this, this
The antenna test method of inventive embodiments, without the comprehensive test instrument of specialty, is conducive to controlling testing cost；When equipment under test has many
The when of antenna, many antennas all can be checked by same test main frame, it is achieved a station completes all skies of complete machine
Line is tested；Further, multiple stage equipment under test can also be tested by same test main frame simultaneously, save the testing time, improve survey
Examination efficiency；Reference threshold can be determined by the value that user inputs, or believes the reception of identical transmission signal according to reference device
Number intensity level determines, test result is accurate, and test mode is flexible.
Fig. 3 is the indicative flowchart of the method for the test device antenna of another embodiment；The present embodiment and previous enforcement
Differring primarily in that of example: in order to improve test accuracy, when the judged result of continuous set point number is no, just be defined as by
Measurement equipment antenna is defective.The received signal strength value of identical transmission signal is determined by reference device in the present embodiment
Illustrate as a example by going out the reference threshold corresponding with described transmission signal.
As it is shown on figure 3, the method for the test device antenna in the present embodiment includes step:
S20, obtains the reference device received signal strength value to transmission signal, according to the received signal strength of reference device
Value determines the reference threshold corresponding with described transmission signal；
S21, obtains the equipment under test received signal strength value to described transmission signal；
S22, it is judged that whether the received signal strength value of equipment under test is more than or equal to above-mentioned reference threshold；If, it is determined that
Qualified for equipment under test antenna, if it is not, perform next step；
As another preferred implementation, this step also can be replaced: judge the received signal strength value of equipment under test with
Whether the deviation of corresponding reference threshold is in set point；The most then it is defined as equipment under test antenna qualified；If it is not, perform
Next step；
S23, if the judged result of set point number is no continuously？If it is not, return perform step S20, if so, determine by
Measurement equipment antenna is defective.
It is understood that in order to improve test accuracy, it is possible to when the judged result of continuous set point number is it is being
Time, just it is defined as equipment under test antenna qualified；Its principle and step are no with above-mentioned when the judged result of continuous set point number,
Just it is defined as the underproof principle of equipment under test antenna similar with step.
It should be noted that for aforesaid each method embodiment, in order to simplicity describes, it is all expressed as a series of
Combination of actions, but those skilled in the art should know, and the present invention is not limited by described sequence of movement, because depending on
According to the present invention, some step can use other order or carry out simultaneously.
Based on the thought identical with the method for the test device antenna in above-described embodiment, the present invention also provides for test equipment
The system of antenna, the method that this system can be used for performing above-mentioned test device antenna.For convenience of description, device antenna is tested
In the structural representation of system embodiment, illustrate only the part relevant to the embodiment of the present invention, those skilled in the art can
To understand, it is illustrated that structure is not intended that the restriction to system, can include that ratio illustrates more or less of parts, or combine certain
A little parts, or different parts layouts.
Fig. 4 is the schematic diagram of the system of the test device antenna of an embodiment；The test equipment sky of the present embodiment
The system of line includes: test reference device and equipment under test that main frame is connected with described test main-machine communication.During test, described
Reference device and equipment under test obtain respectively to sending the received signal strength value of signal and being sent to test main frame；Described test
Main frame determines the reference threshold corresponding with described transmission signal by the received signal strength value of reference device, and sets tested
Standby received signal strength value compares with described reference threshold, the most qualified to determine equipment under test antenna.Certainly, described
Test main frame also can directly read the reference threshold that transmission signal set in advance and described is corresponding.
In the embodiment of the present invention, described reference device is also referred to as " JINJI ", specifically as described in above-described embodiment；Described test
Main frame can be communicated to connect with described reference device and equipment under test by USB interface.Preferably, described test main frame can be PC
Machine, a PC can be tested simultaneously in test tested to multiple stage, will receive on PC by multiple stage equipment under test simultaneously, and PC can be same
Time obtain the RSSI value of multiple stage equipment under test and judge each the test result tested by upper software.As it is shown in figure 5,
When equipment under test is more, due to the restriction of the USB port of PC, need plug-in USB HUB on PC to increase TCH test channel, increase
USB HUB could support up 127 road external equipments (" JINJI " and equipment under test) access.
As another preferred implementation, described system also supports non-USB communication interface, when the communication being devices under connects
When mouth is non-USB interface, by interface equipment, non-USB interface can be transferred to UCB interface or other PC interfaces of PC.
The most described test main frame is communicated to connect with described reference device and equipment under test by interface conversion equipment.Preferably
, as shown in Figure 6, described test main frame can by interface conversion equipment simultaneously with several reference devices and some tested set
Standby communication connection.
As a preferred implementation, the antenna of described reference device is identical with the type of the antenna of described equipment under test.
Such as, if the antenna of equipment under test is 2G antenna, then the antenna of described reference device is also required to select corresponding 2G antenna；If
The antenna of equipment under test is 4G antenna, then the antenna of described reference device is also required to select corresponding 4G antenna.
It should be noted that in the embodiment of the present invention, can synchronize to receive transmission information by reference device and equipment under test,
The most qualified to judge equipment under test antenna；In this case, described test main frame is provided with synchronization module, described to control
Reference device and described equipment under test synchronize to receive and send signal.Also transmission information can be received beforehand through reference device, and really
Determine reference threshold, follow-up test only receives transmission information by equipment under test, the number of test main frame can be reduced in this case
According to treating capacity.
It should be noted that in the embodiment of the device of the test device antenna of above-mentioned example, between each module/unit
The content such as mutual, the execution process of information, due to preceding method embodiment of the present invention based on same design, its technology brought
Effect is identical with preceding method embodiment of the present invention, and particular content can be found in the narration in the inventive method embodiment, the most not
Repeat again.
Additionally, in the embodiment of the device of the test device antenna of above-mentioned example, the logical partitioning of each functional module is only
It is to illustrate, can as required in actual application, such as the realization of the configuration requirement of corresponding hardware or software
Convenient consider, above-mentioned functions distribution is completed by different functional modules, will the inside of device of described test device antenna
Structure is divided into different functional modules, to complete all or part of function described above.The most each function mould is the most permissible
The form using hardware realizes, it would however also be possible to employ the form of software function module realizes.
It will appreciated by the skilled person that all or part of flow process realizing in above-described embodiment method, be can
Completing instructing relevant hardware by computer program, described program can be stored in an embodied on computer readable storage and be situated between
In matter, as independent production marketing or use.Described program upon execution, can perform the complete of the embodiment such as above-mentioned each method
Portion or part steps.Wherein, described storage medium can be magnetic disc, CD, read-only store-memory body (Read-Only
Memory, ROM) or random store-memory body (Random Access Memory, RAM) etc..
In the above-described embodiments, the description to each embodiment all emphasizes particularly on different fields, and does not has the portion described in detail in certain embodiment
Point, may refer to the associated description of other embodiments.It is appreciated that the term " first " used in it, " second " etc. are at this
Literary composition is used for distinguishing object, but these objects should not be limited by these terms.
Embodiment described above only have expressed the several embodiments of the present invention, it is impossible to is interpreted as the scope of the claims of the present invention
Restriction.It should be pointed out that, for the person of ordinary skill of the art, without departing from the inventive concept of the premise,
Can also make some deformation and improvement, these broadly fall into protection scope of the present invention.Therefore, the protection domain of patent of the present invention
Should be as the criterion with claims.
Claims (10)
1. the system testing device antenna, it is characterised in that include testing what main frame was connected with described test main-machine communication
Reference device and equipment under test；
During test, described reference device and equipment under test obtain respectively to sending the received signal strength value of signal and being sent to survey
Examination main frame；Described test main frame determines reference threshold, and connecing equipment under test by the received signal strength value of reference device
Receive signal strength values to compare with described reference threshold, the most qualified to determine equipment under test antenna.
The system of test device antenna the most according to claim 1, it is characterised in that described test main frame is connect by USB
Mouth and described reference device and equipment under test communication connection.
The system of test device antenna the most according to claim 2, it is characterised in that include at least two equipment under tests；
Described test main frame is communicated to connect with described reference device and each equipment under test by USB HUB.
4. according to the system of the test device antenna described in Claims 2 or 3, it is characterised in that include that at least two Radix codonopsis pilosulae are examined and set
Standby；
Described test main frame is communicated to connect with each reference device and equipment under test by USB HUB.
The system of test device antenna the most according to claim 1, it is characterised in that described test main frame is turned by interface
Exchange device and described reference device and equipment under test communication connection.
The device of test device antenna the most according to claim 5, it is characterised in that include at least two equipment under tests；
Described test main frame is communicated to connect with described reference device and each equipment under test by interface conversion equipment.
7. according to the device of the test device antenna described in claim 5 or 6, it is characterised in that include that at least two Radix codonopsis pilosulae are examined and set
Standby；
Described test main frame is communicated to connect with each reference device and equipment under test by interface conversion equipment.
The system of test device antenna the most according to claim 1, it is characterised in that described test main frame is PC.
The system of test device antenna the most according to claim 1, it is characterised in that be provided with same in described test main frame
Step module, to control described reference device and described equipment under test synchronization reception transmission signal.
The system of test device antenna the most according to claim 1, it is characterised in that the antenna of described reference device with
The type of the antenna of described equipment under test is identical.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610466331.3A CN106199237A (en) | 2016-06-21 | 2016-06-21 | System for testing equipment antenna |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610466331.3A CN106199237A (en) | 2016-06-21 | 2016-06-21 | System for testing equipment antenna |
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Cited By (7)
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| CN110087255A (en) * | 2019-04-22 | 2019-08-02 | 新华三技术有限公司 | Information statistical method and device |
| CN113098633A (en) * | 2021-04-28 | 2021-07-09 | 德明通讯（上海）股份有限公司 | Intelligent coupling test method and device and computer readable storage medium |
| CN113438133A (en) * | 2021-06-30 | 2021-09-24 | 北京小米移动软件有限公司 | UWB device test method, device, system, electronic device and storage medium |
| CN113472458A (en) * | 2021-06-30 | 2021-10-01 | 珠海泰芯半导体有限公司 | Method, device, equipment, storage medium and system for testing performance of wireless equipment |
| CN113727319A (en) * | 2021-09-02 | 2021-11-30 | 德明通讯（上海）股份有限公司 | Method and device for realizing multithreading testing of Bluetooth equipment |
| CN113852430A (en) * | 2021-08-17 | 2021-12-28 | 广东朝歌智慧互联科技有限公司 | Bluetooth equipment performance test system and test method under user environment |
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