CN103298020B - The WIFI OTA method of testing of a kind of mobile terminal and test system thereof - Google Patents

The WIFI OTA method of testing of a kind of mobile terminal and test system thereof Download PDF

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CN103298020B
CN103298020B CN201310205604.5A CN201310205604A CN103298020B CN 103298020 B CN103298020 B CN 103298020B CN 201310205604 A CN201310205604 A CN 201310205604A CN 103298020 B CN103298020 B CN 103298020B
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erp
mobile terminal
ers
testing
antenna
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CN103298020A (en
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白剑
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Weihai high tech Park Operation Management Co.,Ltd.
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Huizhou TCL Mobile Communication Co Ltd
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Priority to PCT/CN2013/080630 priority patent/WO2014190609A1/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/10—Monitoring; Testing of transmitters
    • H04B17/101—Monitoring; Testing of transmitters for measurement of specific parameters of the transmitter or components thereof
    • H04B17/102—Power radiated at antenna
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/20—Monitoring; Testing of receivers
    • H04B17/29—Performance testing

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)

Abstract

The invention discloses WIFI OTA method of testing and the test system thereof of a kind of mobile terminal.The method includes: measures mobile terminal ERP on each position, and is formed according to ERP and effectively launch power radiation pattern；Primary importance corresponding when determining that ERP is the strongest according to ERP directional diagram, and measure the mobile terminal the first equivalent sensitivity ERS in primary importancebest；The second equivalent sensitivity ERS:ERS=ERS in remaining each second position is calculated according to following relationbest+(ERPbest-ERP), wherein, ERPbestBeing the ERP in primary importance, ERP is the ERP in remaining each second position；The first equivalent sensitivity ERS that measurement is obtainedbestSue for peace with calculated second equivalent sensitivity ERS integration, to obtain the antenna receiving sensitivity of mobile terminal.By the way, the present invention can improve testing efficiency.

Description

The WIFI OTA method of testing of a kind of mobile terminal and test system thereof
Technical field
The present invention relates to communication technical field, particularly relate to the WIFI OTA of a kind of mobile terminal Method of testing and test system thereof.
Background technology
At present, wireless air test (WIFI OTA, the Wireless Fidelity Over of mobile terminal The Air) generally include total radiant power test (TRP, Total Radiated Power) and always Omnidirectional sensibility test (TIS, Total Isotropic Senstivity).Wherein, TRP test reflection Be the situation of mobile terminal emitting power, TIS test reflection is mobile terminal receiving sensitivity Situation.
The TIS test of prior art is typically to be placed on turntable mobile terminal, receives by darkroom Transmitting signal that is that measure antenna transmission and that launched by wifi hotspot emulator, and by this transmitting signal Decode concrete data, return to wifi hotspot emulator, wifi heat through transmitting path the most again Point emulator, according to data that are that launch and that receive, calculates Packet Error Ratio, when Packet Error Ratio is beyond standard During the time limit, current wifi hotspot emulator launch launch signal power be current location etc. Effect sensitivity.
Measure mobile terminal successively at different inclination (Theta) angle of turntable and orientation (phi) Angle, the antenna equivalent sensitivity when different polarised directions is measured in darkroom simultaneously.The most again will Each equivalent sensitivity compensates the path loss in upper darkroom.Finally it is integrated computing, to obtain shifting The receiving sensitivity of dynamic terminal.
In the test of prior art, Theta angle is from 0 degree to 180 degree, and phi angle is from 0 degree To 360 degree, and Theta angle and phi angle to be all every 30 degree be a step-length, so Theta Angle needs 6 steps, phi angle to need 12 steps.Darkroom is measured antenna and is used horizontal and vertical two Polarised direction, accordingly, it would be desirable to that measures counts as 6*12*2=144 point.And each test point It is required for carrying out above-mentioned operation to search for equivalent sensitivity.Therefore, the test of prior art has Time-consuming long, the defect that testing cost is high.
Summary of the invention
The technical problem that present invention mainly solves is to provide the WIFI OTA test of a kind of mobile terminal Method and test device thereof, it is possible to save the duration of test, improve testing efficiency.
For solving above-mentioned technical problem, the technical scheme that the present invention uses is: provide one to move The WIFI OTA method of testing of dynamic terminal, this method of testing comprises the following steps: measure mobile whole End ERP on each position, and formed according to ERP and effectively launch merit Rate directional diagram；When determining that ERP is the strongest according to ERP directional diagram corresponding One position, and measure the mobile terminal the first equivalent sensitivity ERS in primary importancebest；According to Following relation calculates the second equivalent sensitivity ERS in remaining each second position: ERS=ERSbest+(ERPbest-ERP), wherein, ERPbestIt is the ERP in primary importance, ERP is the ERP in remaining each second position；The first equivalence spirit that measurement is obtained Sensitivity ERSbestSue for peace with calculated second equivalent sensitivity ERS integration, to be moved The antenna receiving sensitivity of terminal.
Wherein, the step measuring mobile terminal ERP on each position is wrapped further Include: measure mobile terminal successively and measure each polarization side of antenna in each angle of turntable and darkroom ERP upwards.
Wherein, each angle of turntable includes Theta angle and Phi angle, and antenna is measured in darkroom Each polarised direction include horizontally and vertically.
Wherein, the step measuring mobile terminal ERP on each position is wrapped further Include: measure the ERP of the mobile terminal one of them channel on each position.
Wherein, the mobile terminal the first equivalent sensitivity ERS in primary importance is measuredbestStep Including: measure the first equivalent sensitivity of the mobile terminal all channels in primary importance ERSbest。
Wherein, method of testing also includes: preserves and effectively launches power radiation pattern.
Wherein, when testing different mobile terminals, read ERP directional diagram, and right ERP directional diagram is adjusted.
Wherein, the step being adjusted ERP directional diagram includes: each at turntable Theta angle, determines that antenna is measured in Phi angle corresponding when ERP is the strongest and darkroom Polarised direction, and in Phi angle and polarised direction, remeasure mobile terminal effectively launch merit Rate, and and the intensity of original the strongest ERP compare, by the difference of comparison gained Value adjusts all polarised directions of all Phi angles under Theta angle and darkroom measurement antenna ERP.
For solving above-mentioned technical problem, another technical solution used in the present invention is: provide one The WIFI OTA of mobile terminal tests system, and this test system includes mobile terminal, wifi hotspot Emulator, darkroom measure antenna, turntable and controller, wherein: wifi hotspot emulator produces not With the transmitting signal launching power；Darkroom is measured antenna and transmitting signal is transferred to mobile terminal；Turn Platform for turning to different angles by mobile terminal；Each at mobile terminal of antenna is measured in darkroom Polarised direction is adjusted in individual angle；Controller measures mobile terminal in different angles and different pole Change the ERP on direction, and formed according to ERP and effectively launch power direction According to ERP directional diagram, then figure, when determining that ERP is the strongest corresponding first Position, and measure the mobile terminal the first equivalent sensitivity ERS in primary importancebest, further according to Following relation calculates the second equivalent sensitivity ERS in remaining each second position: ERS=ERSbest+(ERPbest-ERP), wherein, ERPbestIt is the ERP in primary importance, ERP is the ERP in remaining each second position, first finally measurement obtained etc. Effect sensitivity ERSbestSue for peace with calculated second equivalent sensitivity ERS integration, to obtain The antenna receiving sensitivity of mobile terminal.
Wherein, test system also includes depositor, and depositor preserves effectively launches power radiation pattern.
The invention has the beneficial effects as follows: be different from the situation of prior art, the mobile terminal of the present invention WIFI OTA test be: first measure mobile terminal ERP on each position, And formed according to ERP and effectively to launch power radiation pattern, then according to ERP Directional diagram determines primary importance corresponding when ERP is the strongest, and measures mobile terminal The first equivalent sensitivity ERS on one positionbest, further according to following relation calculate remaining each second The second equivalent sensitivity ERS on position:
ERS=ERSbest+(ERPbest-ERP),
Wherein, ERPbestThe ERP in primary importance, ERP be remaining each second ERP on position, finally by the first equivalent sensitivity ERSbestSensitive with the second equivalence Degree ERS integration summation, to obtain the antenna receiving sensitivity of mobile terminal.By the way, The duration that one side measures ERP due to the present invention is shorter, can save the testing time, carry High TIS testing efficiency, on the other hand, due to present invention measurement is that the effective of transmitting path launches Power, also completes ERP test while completing TIS test, this improves mobile whole The WIFI OTA testing efficiency of end.
Accompanying drawing explanation
Fig. 1 is the flow process of the WIFI OTA method of testing of the mobile terminal of first embodiment of the invention Figure；
Fig. 2 is the structure of the WIFI OTA test system of the mobile terminal of second embodiment of the invention Schematic diagram.
Detailed description of the invention
The present invention will be described in detail with embodiment below in conjunction with the accompanying drawings.
Refer to the WIFI OTA survey that Fig. 1, Fig. 1 are the mobile terminals of first embodiment of the invention The flow chart of method for testing.As it is shown in figure 1, the method for testing of the present invention comprises the following steps:
Step S1: measure mobile terminal ERP on each position, and according to effectively Transmitting power is formed effectively launches power radiation pattern.
In step sl, measure mobile terminal ERP on each position to include depending on Secondary measurement mobile terminal is measured in each polarised direction of antenna in each angle and the darkroom of turntable ERP.
Wherein, each angle of turntable includes Theta angle and Phi angle, and Theta angle For from 0 degree to 180 degree, Phi angle is from 0 degree to 360 degree.Theta angle and Phi angle It is all 1 step-length with 30 degree, therefore, Theta angle totally 6 step, Phi angle totally 12 step.Secretly Room is measured the polarised direction of antenna and is included horizontally and vertically.In the present embodiment, need Measure the ERP of 6*12*2=144 position of mobile terminal.
Owing to, for each communications band, the ERP directional diagram of each channel is basic Identical.Therefore, in this step, only measure mobile terminal one of them channel on each position ERP.Such as, if desired learn the ERP directional diagram of 3 channels, The most only need to measure the ERP of one of them channel, then form correspondence effectively launches merit Rate directional diagram.Therefore, the method for testing of this step is applicable to the multichannel of same communications band Test, no matter channel quantity to be measured is how many, the most only need to measure effectively sending out of one of them channel Penetrate power, improve testing efficiency.
Step S2: determine when ERP is the strongest corresponding according to ERP directional diagram Primary importance, and measure the mobile terminal the first equivalent sensitivity ERS in primary importancebest (Effective Radiated Sensitivity)。
In step s 2, what primary importance was corresponding is the turntable when the strongest ERP Theta angle and Phi angle and darkroom measure the polarised direction of antenna.Therefore, the first equivalence spirit Sensitivity ERSbestFor optimal equivalent sensitivity.
In multi channel test, what this step was measured is mobile terminal owning in primary importance First equivalent sensitivity ERS of channelbest。
Step S3: calculate the second equivalent sensitivity in remaining each second position according to following relation ERS:
ERS=ERSbest+(ERPbest-ERP),
In step s3, ERPbestIt is the ERP in primary importance, ERP (Effective Radiated power) it is the ERP in remaining each second position.
Step S4: the first equivalent sensitivity ERS that measurement is obtainedbestWith calculated second Equivalent sensitivity ERS integration is sued for peace, to obtain the antenna receiving sensitivity of mobile terminal.
In step s 4, concrete integration summation operation is as follows:
T I S ≅ 2 N M π Σ i = 1 N - 1 Σ j = 0 M - 1 [ 1 ERS θ ( θ i , φ j ) + 1 ERS φ ( θ i , φ j ) ] s i n ( θ i ) ,
Wherein, N, M are respectively Theta angle and the test point of Phi angle, ERSθ(θi,φj) table Showing that darkroom is measured under antenna horizontal direction, turntable is θ in its Theta anglei, Phi angle is φjPosition The ERS put, ERSφ(θi,φj) representing that darkroom is measured under antennas orthogonal direction, turntable is at its Theta angle Degree is θi, Phi angle is φjThe ERS of position.
Therefore, the present embodiment make use of WIFI to receive and launches the feature of same frequency, by measuring The ERP of mobile terminal tests the antenna receiving sensitivity of mobile terminal.On the one hand because of Shorter for measuring the duration of ERP, it is possible to the antenna saving test mobile terminal receives spirit The time of sensitivity, improve TIS testing efficiency.On the other hand, due to measure be effectively to launch merit Rate so that the present invention also completes ERP test while completing TIS test, therefore, improves The WIFI OTA testing efficiency of mobile terminal.
In the present embodiment, method of testing farther includes to preserve step, specifically, in step S1 In define ERP directional diagram after, preserve this ERP directional diagram.So that Obtain other mobile terminals to carry out to directly invoke this ERP side during WIFI OTA test Xiang Tu, saves the testing time.
Specifically, when testing different mobile terminals, first read ERP direction Figure, and ERP directional diagram is adjusted.Particularly as follows: at each Theta of turntable Angle, determines that the polarization of antenna is measured in Phi angle corresponding when ERP is the strongest and darkroom Direction, and in Phi angle and polarised direction, remeasure the ERP of mobile terminal, And and the intensity of original the strongest ERP compare, the difference of comparison gained is adjusted The effective of all polarised directions of antenna is measured in all Phi angles under whole Theta angle and darkroom Launch power.
Through above adjustment so that when the WIFI OTA of new mobile terminal tests, effectively The ERP launching power radiation pattern and new mobile terminal is more consistent.
Refer to the WIFI OTA survey that Fig. 2, Fig. 2 are the mobile terminals of second embodiment of the invention The structural representation of test system.As in figure 2 it is shown, the WIFI OTA of mobile terminal tests system 20 Antenna 23, turntable 24, control is measured including mobile terminal 21, wifi hotspot emulator 22, darkroom Device 25 processed and communication antenna 26.
Wherein, wifi hotspot emulator 22 produces the transmitting signal of different transmission power.The present embodiment In, the intermediate value letter that the channel of wifi hotspot emulator 22 work is preferably in all channels to be measured Road.
Darkroom is measured antenna 23 and transmitting signal is transferred to mobile terminal 21.Mobile terminal 21 decodes The transmitting signal that the wifi hotspot emulator 22 received produces, and decoded signal is passed through The transmitting path that communication antenna 26 connects is transmitted to wifi hotspot emulator 22.
Controller 25 controls turntable 24 and successively mobile terminal 21 is turned to different angles, and And darkroom measurement antenna 23 adjusts polarised direction in each angle of mobile terminal 21.So that Mobile terminal 21 transmits signals to wifi hotspot in different angles and different polarised directions and imitates True device 22.
Controller 25 determines mobile terminal 21 according to the transmitting power of the signal that mobile terminal 21 is launched Antenna receiving sensitivity.Specifically include following steps:
Step 1: measure effective in different angles and different polarised directions of mobile terminal 21 Launch power, and formed according to ERP and effectively launch power radiation pattern.
Wherein, the angle of turntable 24 includes Theta angle and Phi angle, and Theta angle For from 0 degree to 180 degree, Phi angle is from 0 degree to 360 degree, Theta angle and Phi angle Being all 30 degree is 1 step-length.Therefore, Theta angle totally 6 step, Phi angle totally 12 step.Secretly Room is measured the polarised direction of antenna 23 and is included horizontally and vertically.In the present embodiment, need The ERP of 6*12*2=144 position of mobile terminal 21 to be measured.
Owing to, for each communications band, the ERP directional diagram of each channel is basic Identical, therefore, only measure the effective of the mobile terminal 21 one of them channel on each position Launch power.Such as, if desired learn the ERP directional diagram of 3 channels, then measure The ERP of one of them channel, then forms the ERP directional diagram of correspondence i.e. Can.Therefore, the test in the present embodiment is applicable to multi channel test, no matter measured signal quantity It is how many, the most only need to measure the ERP of one of them channel, improve test effect Rate.
Step 2: determine when ERP is the strongest corresponding according to ERP directional diagram Primary importance, and measure the mobile terminal 21 first equivalent sensitivity ERS in primary importancebest。
The Theta angle of the turntable that ERP that what primary importance was corresponding is the strongest is corresponding and The polarised direction of antenna is measured in Phi angle and darkroom.Therefore, the first equivalent sensitivity ERSbest For optimal equivalent sensitivity.
When channel to be tested has multiple, what controller 25 was measured is that mobile terminal 21 is first First equivalent sensitivity ERS of all channels on positionbest。
Step 3: calculate the second equivalent sensitivity in remaining each second position according to following relation ERS:
ERS=ERSbest+(ERPbest-ERP),
Wherein, ERPbestThe ERP in primary importance, ERP be remaining each second ERP on position.
Step 4: the first equivalent sensitivity ERS that measurement is obtainedbestWith calculated second etc. Effect sensitivity ERS integration summation, concrete integral formula is as mentioned before.
In the present embodiment, the WIFI OTA test system 20 of mobile terminal also includes depositor 27, Wherein, depositor 27 is used for preserving and effectively launches power radiation pattern.So that other mobile terminals 21 can directly invoke this ERP directional diagram when testing, save the testing time.
Specifically, when testing different mobile terminals 21, controller 25 is first from depositor Read ERP directional diagram in 27, and ERP directional diagram is adjusted.Tool Body is: in each Theta angle of turntable 24, determine when ERP is the strongest corresponding The polarised direction of antenna 23, and weight in Phi angle and polarised direction are measured in Phi angle and darkroom The new ERP measuring mobile terminal 21, and and original the strongest ERP Intensity compare, the difference of comparison gained is adjusted all Phi angles under Theta angle The ERP of all polarised directions of antenna 23 is measured with darkroom.
Therefore, present invention utilizes the feature that WIFI receives and launches same frequency, moved by measurement The ERP of dynamic terminal, is then formed and effectively launches power radiation pattern, and according to effectively sending out Penetrate the first equivalent sensitivity that power radiation pattern determines that position when ERP is the strongest is corresponding, Then according to ERS=ERSbest+(ERPbest-ERP) relation determine other positions corresponding second equivalence spirit Sensitivity, is finally integrated summation, to obtain by the first equivalent sensitivity and the second equivalent sensitivity The receiving sensitivity of the antenna of mobile terminal.By the way, on the one hand owing to measuring effective sending out The duration penetrating power is the shortest, improves TIS testing efficiency.On the other hand, measure due to the present invention Be ERP so that the present invention complete TIS test while also complete ERP survey Examination, this improves the WIFI OTA testing efficiency of mobile terminal.
The foregoing is only embodiments of the present invention, not thereby limit the patent model of the present invention Enclosing, every equivalent structure utilizing description of the invention and accompanying drawing content to be made or equivalence flow process become Change, or be directly or indirectly used in other relevant technical fields, be the most in like manner included in the present invention's In scope of patent protection.

Claims (10)

1. the WIFI OTA method of testing of a mobile terminal, it is characterised in that described test side Method comprises the following steps:
Measure described mobile terminal ERP on each position, and according to described effectively Transmitting power is formed effectively launches power radiation pattern；
Determine when described ERP is the strongest corresponding according to described ERP directional diagram Primary importance, and measure the described mobile terminal the first equivalent sensitivity in described primary importance ERSbest；
The second equivalent sensitivity ERS in remaining each second position is calculated according to following relation:
ERS=ERSbest+(ERPbest-ERP),
Wherein, ERPbestBeing the ERP in described primary importance, ERP is that remaining is each ERP in the described second position；
Described first equivalent sensitivity ERS that measurement is obtainedbestWith calculated described second Equivalent sensitivity ERS integration is sued for peace, to obtain the antenna receiving sensitivity of described mobile terminal.
Method of testing the most according to claim 1, it is characterised in that the described shifting of described measurement The step of dynamic terminal ERP on each position farther includes:
Measure described mobile terminal successively and measure each of antenna in each angle and the darkroom of turntable ERP in polarised direction.
Method of testing the most according to claim 2, it is characterised in that described turntable each Angle includes Theta angle and Phi angle, and each polarised direction bag of antenna is measured in described darkroom Include horizontally and vertically.
Method of testing the most according to claim 1, it is characterised in that the described shifting of described measurement The step of dynamic terminal ERP on each position farther includes:
Measure effective transmitting of the described mobile terminal one of them channel on each described position Power.
Method of testing the most according to claim 1, it is characterised in that the described shifting of described measurement The dynamic terminal the first equivalent sensitivity ERS in described primary importancebestStep include:
The first equivalence measuring the described mobile terminal all channels in described primary importance is sensitive Degree ERSbest。
Method of testing the most according to claim 1, it is characterised in that described method of testing is also Including: preserve described ERP directional diagram.
Method of testing the most according to claim 6, it is characterised in that when the institute that test is different When stating mobile terminal, read described ERP directional diagram, and to described ERP Directional diagram is adjusted.
Method of testing the most according to claim 7, it is characterised in that described to described effectively The step that transmitting power radiation pattern is adjusted includes:
In each Theta angle of turntable, determine the Phi that described ERP is corresponding time the strongest The polarised direction of antenna is measured in angle and darkroom, and in described Phi angle and described polarised direction Remeasure the described ERP of described mobile terminal, and and original the strongest described in have Effect is launched the intensity of power and is compared, and the difference of comparison gained is adjusted under described Theta angle All Phi angles and darkroom measure the ERP of all polarised directions of antenna.
9. the WIFI OTA of a mobile terminal tests system, it is characterised in that described test system System includes that antenna, turntable and controller are measured in mobile terminal, wifi hotspot emulator, darkroom, its In:
Described wifi hotspot emulator produces the transmitting signal of different transmission power；
Described darkroom is measured antenna and described transmitting signal is transferred to described mobile terminal；
Described turntable is for turning to different angles by described mobile terminal；
Described darkroom is measured antenna and is adjusted polarization in each described angle of described mobile terminal Direction；
Described controller measures described mobile terminal in different angles and different polarised directions ERP, and formed according to described ERP and effectively launch power radiation pattern, When then determining that ERP is the strongest according to described ERP directional diagram corresponding One position, and measure the described mobile terminal the first equivalent sensitivity in described primary importance ERSbest, calculate the second equivalent sensitivity in remaining each second position further according to following relation ERS:
ERS=ERSbest+(ERPbest-ERP),
Wherein, ERPbestBeing the ERP in described primary importance, ERP is that remaining is each ERP in the described second position, described first equivalence finally measurement obtained is sensitive Degree ERSbestSue for peace with calculated described second equivalent sensitivity ERS integration, to obtain State the antenna receiving sensitivity of mobile terminal.
Test system the most according to claim 9, it is characterised in that described test system Also including depositor, described depositor preserves described ERP directional diagram.
CN201310205604.5A 2013-05-28 2013-05-28 The WIFI OTA method of testing of a kind of mobile terminal and test system thereof Active CN103298020B (en)

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PCT/CN2013/080630 WO2014190609A1 (en) 2013-05-28 2013-08-01 Method and system for testing mobile terminal wifi ota

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