CN207399220U - The rapid diagnosis system of wireless terminal - Google Patents
The rapid diagnosis system of wireless terminal Download PDFInfo
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- CN207399220U CN207399220U CN201721186069.3U CN201721186069U CN207399220U CN 207399220 U CN207399220 U CN 207399220U CN 201721186069 U CN201721186069 U CN 201721186069U CN 207399220 U CN207399220 U CN 207399220U
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Abstract
The utility model discloses a kind of rapid diagnosis systems of wireless terminal, including anechoic chamber, at least two measurement antennas, support tool, measured piece, and measuring instrumentss, the anechoic chamber, is used to provide measuring environment for measured piece, the measurement antenna is used for and measured piece carries out wireless communication, the support tool is located in anechoic chamber, to carry measured piece, the measured piece is wireless terminal, the measuring instrumentss are located at outside anechoic chamber, and are connected with measurement antenna, it is characterized in that, the measured piece for defining radiance qualification is golden machine, the measurement antenna is located at the plane where the golden main radiation direction of machine and dominant polarization direction.The utility model can be in smaller darkroom space, the measurement and diagnosis of radiance are carried out to wireless terminal by less measurement antenna, simplify measurement process, save time of measuring, simplify system composition, system cost is reduced, the quick measurement being particularly suitable in research and development or production process.
Description
Technical field
The utility model is related to field of measuring technique, are examined in particular to for the quick of radiation performance of wireless terminal
Disconnected method and system.
Background technology
With the development of wireless terminal (such as mobile phone, tablet computer) technology, wireless terminal is come into daily life
Many links.The antenna of wireless communication terminal is not usually directional aerial, but has radiation to space all directions, because
This, according to the measurement standard of CTIA (U.S.'s wireless communication and internet society), by what is carried out to the wireless performance of wireless terminal
Measurement is defined as OTA (Over-The-Air, spatial port communication performance) measurements.The basic ideas of OTA measurements are to pass through measurement
The ENERGY E IRP (Effective Isotropic Radiated Power) radiated from wireless terminal to different directions comes
Measure the total radiant power TRP (Total Radiated Power) of terminal；By measuring wireless terminal in different directions
Sensitivity EIS (Effective Isotropic Sensitivity) determines total receiving sensitivity TIS (Total of terminal
Isotropic Sensitivity).OTA measurements at present are accepted extensively by academia and industrial quarters, become wireless terminal day
The main standard measurement of line research and development, networking certification and quality control.
According to measurement standard, a kind of current main measuring method is great circle patterning method：Tested mobile terminal is placed in
The center of one three-dimensional turntable, measured piece can rotate (corresponding with θ angles and φ angles respectively) with turntable around 2 axis, using one
A measurement antenna, measured piece and measurement antenna are all disposed in microwave dark room, the direct signal quilt of measured piece direction measurement antenna
It measures antenna to receive, the absorbing material that measured piece is set in microwave dark room to the radiation signal in other directions absorbs, during measurement
According to measurement demand, measured piece is rotated with default angle interval, a position is often turned to and just stops and carry out signal strength
Measurement.After the radiation signal of all directions is measured, by data processings such as integrations, measurement result is generated.
Another main measuring method is circular cone patterning method：It is more according to the laying of default spacing in the θ angular direction of spherical coordinates
A quadrature dualpolarized measures antenna, and the φ angular ranges of spherical coordinates are then completed by turntable.Its measurement process is as follows：At φ angles from 0 °
It turns to during 360 ° of stepping, each probe antenna that measuring system is directed toward θ angles with electronic switch successively makees the direction
Signal strength or the measurement of sensitivity.After similary orientation, the acquisition of polarization measurement point data is completed, at surface integral data
Reason, so that it may draw the total radiant power TRP or terminal receiver global radiation sensitivity TIS that wireless terminal radiated to free space.
Above two measuring method is required for larger measurement space, and measurement cost is high, and measuring speed is slower.And mesh
Before, the demand of the mass production of wireless terminal results in the demand that quick diagnosis is carried out to wireless terminal, especially for grinding
For hair and production, the radiance of wireless terminal can quickly be judged particularly important.It is a kind of quick, economy wireless
The diagnostic system of terminal urgently proposes.
Utility model content
To solve the above-mentioned problems, the utility model proposes the rapid diagnosis system of wireless terminal, including anechoic chamber,
At least two measurement antennas, support tool, measured piece and measuring instrumentss, the anechoic chamber, are used to provide measurement ring for measured piece
Border, the measurement antenna is used for and measured piece carries out wireless communication, and the support tool is located at for carrying measured piece in anechoic chamber,
The measured piece is wireless terminal, and the measuring instrumentss are located at outside anechoic chamber, and are connected with measurement antenna, which is characterized in that fixed
The measured piece of adopted radiance qualification is golden machine, and the measurement antenna is located at the golden main radiation direction of machine and dominant polarization direction
The plane at place.
As the further restriction of the utility model, it is described measurement antenna be 3-8 single-polarized antenna, polarization direction and
The dominant polarization direction of the gold machine is identical；Or it is described measurement antenna be 3-8 dual polarized antenna, polarization direction respectively with
The dominant polarization direction and cross polarization direction of the gold machine are identical.
As the further restriction of the utility model, the measurement antenna is 6 single-polarized antennas, using measured piece as circle
It is equidistantly distributed on the circumference of the heart.
As the further restriction of the utility model, the first communication antenna is further included, for emitting interference letter to measured piece
Number.
As the further restriction of the utility model, the second communication antenna is further included, for receiving the letter of measured piece transmitting
Number.
As the further restriction of the utility model, first communication antenna and the second communication antenna are same day
Line.
As the further restriction of the utility model, any one antenna in the measurement antenna is simultaneously as communication day
Line, for emitting interference signal and/or to measured piece for receiving the signal that measured piece emits.
As the further restriction of the utility model, the rapid diagnosis system of the wireless terminal for measure it is following in
It is one or more：EIRP,TRP,EIS,Peak EIS,TIS,gain,radiated sensitivity,desense.
The diagnostic system of the utility model can be in smaller darkroom space, by less measurement antenna to tested wireless
In the plane that terminal is limited at one by the main radiation direction and dominant polarization direction of golden machine carry out radiance measurement and
Diagnosis.Existing measuring method is to carry out three-dimensional measurement to measured piece under the auxiliary of turntable, and turntable is omitted in the utility model
By choosing to the representational plane of the radiation characteristic of measured piece, measured piece is carried out two-dimentional survey in this plane for this component
Amount, simplifies measurement process, saves time of measuring, and simplifies system composition, reduces system cost, is particularly suitable for
Quick measurement in research and development or production process.
Description of the drawings
Specific embodiment of the present utility model is described in further detail below in conjunction with the accompanying drawings, wherein：
Fig. 1 show the schematic diagram of the wireless terminal rapid diagnosis system of the utility model first embodiment.
Fig. 2 show the schematic diagram of the wireless terminal rapid diagnosis system of the utility model second embodiment.
Fig. 3 show be respectively adopted the utility model second embodiment and standard method to measured piece LTE band3
The Peak EIS datas comparison that frequency range measures.
Fig. 4 show be respectively adopted the utility model second embodiment and standard method to measured piece LTE band5
The Peak EIS datas comparison that frequency range measures.
Fig. 5 show be respectively adopted the utility model second embodiment and standard method to measured piece LTE band7
The Peak EIS datas comparison that frequency range measures.
Fig. 6, which is shown, is respectively adopted the utility model second embodiment and standard method to measured piece LTE's
The Peak EIS datas comparison that band17 frequency ranges measure.
Fig. 7 show be respectively adopted the utility model second embodiment and standard method to measured piece LTE band3
The radiated sensitivity data comparisons that frequency range measures.
Fig. 8 show be respectively adopted the utility model second embodiment and standard method to measured piece LTE band5
The radiated sensitivity data comparisons that frequency range measures.
Fig. 9, which is shown, is respectively adopted the utility model second embodiment and standard method to measured piece LTE's
The radiated sensitivity data comparisons that band17 frequency ranges measure.
Figure 10, which is shown, is respectively adopted the utility model second embodiment and standard method to measured piece LTE's
The radiated sensitivity data comparisons that band40 frequency ranges measure.
Specific embodiment
It elaborates below to the embodiment of the utility model.It is emphasized that the description below is only example
Property, it is intended to for explaining the utility model, and it is not intended that limitation to the utility model.
In addition, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the utility model, " multiple " are meant that two or two
More than, unless otherwise specifically defined.
In the utility model, wireless terminal measures measured piece by measuring antenna in anechoic chamber,.Measured piece
It can be arbitrary wireless terminal, include but not limited to mobile phone, tablet computer, wireless router, smartwatch etc..
Embodiment one
Fig. 1 illustrates the first embodiment of the rapid diagnosis system of the utility model wireless terminal.Present embodiment
Measuring system 200 includes anechoic chamber, 210 (to simplify the illustration, not showing absorbing material in figure), 3 measurement antennas 220, support tool
230, measured piece 240 and measuring instrumentss (not shown).Measurement antenna 220 is located at the main radiation of the golden machine of measured piece 240
Plane 250 where direction and dominant polarization direction.Antenna is measured in the utility model can be located at the main radiation side of measured piece
To with the plane any position where dominant polarization direction, and be with measured piece 240 to measure antenna 220 in the present embodiment
It is explained exemplified by being equidistantly distributed on the circumference in the center of circle.Measure antenna 220 can be single-polarized antenna or dual polarized antenna, this reality
It applies in example to measure antenna 220 to be explained exemplified by dual polarized antenna, measures the first polarization direction and measured piece of antenna 220
The dominant polarization direction of 240 golden machine is identical, measures the second polarization direction of antenna 220 and intersecting for the golden machine of measured piece 240
Polarization direction is identical, this sets all stronger situation of main polarization and cross polar component suitable for measured piece 240, measures antenna
220 can receive two polarized energy, so that measurement is more accurate.In addition, any one measurement antenna 220 in the present embodiment
It can be used as communication antenna simultaneously, for emitting interference signal and/or to measured piece for receiving the signal that measured piece emits.
It is illustrated here, being made to the principle of " being defined using golden machine to the installation position for measuring antenna ".This reality
Think to measure in the plane where the main radiation direction of wireless terminal and dominant polarization direction with new, measurement result
Can largely reflect wireless terminal actual emanations performance (part measurement result comparison situation can be found in embodiment
Two)." golden machine " mentioned here is defined as the measured piece of radiance qualification, it can be a virtual measured piece, as long as this
Field technology personnel can learn " the main radiation direction and main of the measured piece of radiance qualification by certain priori
The place of plane where polarization direction ", such as the plane is judged by the design parameter of this measured piece radiance,
Or pass through plane described in the understanding and sound judgment of the radiance to such wireless terminal.However, for arbitrary measured piece,
It is unknown where " plane where main radiation direction and dominant polarization direction ", when being diagnosed to it, this practicality
It is new still to be measured using the plane determined by golden machine, if measurement result is in the range of default acceptance value, diagnosis
For qualification；If measurement result is outside default acceptance value scope, it is diagnosed as unqualified.
Further, it is necessary to explanation, the main radiation direction of some wireless terminals and dominant polarization direction are limited flat
Face only includes one, such as mobile phone or tablet computer, the plane where main radiation direction and dominant polarization direction are believed that
It is the plane where its screen.And for other some wireless terminals, main radiation direction and dominant polarization direction institute
The plane of restriction is likely larger than one, such as smartwatch may include two planes, in this case, can be according to survey
Amount needs to choose objective plane, depending on measurement demand.
The application method of the diagnostic system of present embodiment includes the following steps：
1) the golden machine is measured by any standard method, obtains golden machine standard results, standard method described here
Can be arbitrary measurement standard, such as 3GPP standards, CTIA standards, national standard etc.；
2) the golden machine is measured by S01 the methods, obtains golden machine measurement result；
3) the default acceptance value is determined by the difference between golden machine standard results and golden machine measurement result；
4) the measurement antenna is located at the plane where the golden main radiation direction of machine and dominant polarization direction, passes through
Measurement antenna measures measured piece to obtain measurement result；
5) measurement result and default acceptance value are compared, completes diagnosis.
Embodiment two
The second embodiment that Fig. 2 illustrates the rapid diagnosis system of the utility model wireless terminal (does not show support in figure
Tool), the measuring system 400 of second embodiment and the measuring system 200 of first embodiment the difference is that：Measurement system
The measurement antenna 420 of 6 single polarizations, polarization direction and the dominant polarization direction phase of the golden machine of measured piece 440 are set in system 400
Together；Also, measuring system 400 further includes a communication antenna 460, for emitting interference signal to measured piece 440 and/or connecing
The signal emitted by measured piece 440.When communication antenna 460 is used to emit interference signal to measured piece 440, measuring system 400
Desense (Decline Sensitivity, sensitivity attenuation) measurement of measured piece 440 can be achieved.It should be noted that
In measurement, different signals can be emitted or connect by same antenna such as uplink and downlink measuring signal, interference signal
It receives, as shown in the first embodiment, because the frequency range of unlike signal is different, standard is different, can distinguish.And in the present embodiment
It, can be to avoid dry between unlike signal by unlike signal respectively by measuring antenna 420 and communication antenna 460 emits or receives
It disturbs, reduces measurement error.
The application method of the diagnostic system of present embodiment is identical with method described in embodiment one, and details are not described herein again.
Here, by taking second embodiment as an example, measurement result and marking that the golden machine of measured piece obtained by present embodiment compared
The measurement result obtained in Barebone by standard method (herein using circular cone patterning method).Fig. 3~Fig. 6 is illustrated when mobile phone gold
The band3 of the utility model second embodiment 400 and standard method 500 in LTE is respectively adopted as measured piece in machine,
The Peak EIS datas that band5, band7, band17 frequency range measure.Fig. 7~Figure 10 is illustrated when mobile phone gold machine is as measured piece,
Band3, band5, the band17 of the utility model second embodiment 400 and standard method 500 in LTE is respectively adopted,
Radiated sensitivity (radiosusceptibility) data that band40 frequency ranges measure.It can be seen that pass through the utility model
The measurement result that two embodiments 400 obtain have with the measurement result obtained by standard method 500 preferable uniformity and
Monotonicity, the maximum difference of measurement result are no more than 3dB.Here only measured with Peak EIS and radiated sensitivity
Exemplified by carry out comparative illustration, the system of the utility model can also carry out the radiation such as EIRP, TRP, EIS, TIS, gain, desense
The measurement of index, and compared by substantial amounts of measurement data, the measurement result obtained by the method for the utility model is with leading to
The difference for crossing the measurement result of standard method acquisition is no more than 3dB, and with good monotonicity.
Thus, it can be said that in measurement plane (the main radiation direction of wireless terminal and main selected by the utility model
Plane where polarization direction) measure acquisition measurement result can quite well in modular system by standard side
The measurement result that method obtains, i.e., the measurement result obtained by the utility model being capable of largely (precision≤3dB) energy
Enough reflect the actual emanations performance of wireless terminal.
The utility model is particularly suitable for researching and developing or needs what radiation performance of wireless terminal was quickly judged in producing
Application scenarios.
The shape of anechoic chamber, in the various embodiments described above, the quantity for measuring antenna and position, measurement data etc. are only explanation
Property example, the utility model are not limited to the specific situation in the present embodiment.
More than content combination attached drawing is explained in detail the embodiment of the utility model, but the utility model is not
It is limited to the above embodiment, without departing from the concept of the premise utility, those of ordinary skill in the art can also be to this
A little embodiments described make some replacements or modification, and these are substituted or variant should all be considered as belonging to this practicality
New protection domain.
Claims (8)
1. the rapid diagnosis system of wireless terminal including anechoic chamber, at least two measurement antennas, support tool, measured piece and is surveyed
Instrument is measured, the anechoic chamber, is used to provide measuring environment for measured piece, and the measurement antenna is used to carry out with measured piece wireless
Communication, the support tool are located in anechoic chamber, to carry measured piece, and the measured piece is wireless terminal, and the measuring instrumentss are set
It is connected outside anechoic chamber, and with measurement antenna, which is characterized in that define the measured piece of radiance qualification as golden machine, the survey
Measure the plane that antenna is located at where the golden main radiation direction of machine and dominant polarization direction.
2. the rapid diagnosis system of wireless terminal according to claim 1, which is characterized in that the measurement antenna is 3-8
A single-polarized antenna, polarization direction are identical with the dominant polarization direction of the golden machine；Or the measurement antenna is 3-8 pairs
Poliarizing antenna, polarization direction are identical with the dominant polarization direction of the golden machine and cross polarization direction respectively.
3. the rapid diagnosis system of wireless terminal as claimed in claim 2, which is characterized in that the measurement antenna is 6 lists
Poliarizing antenna equidistantly distributes on the circumference using the measured piece as the center of circle.
4. the rapid diagnosis system of the wireless terminal as described in any in claim 1-3, which is characterized in that it is logical to further include first
Antenna is believed, for emitting interference signal to measured piece.
5. the rapid diagnosis system of wireless terminal as claimed in claim 4, which is characterized in that the second communication antenna is further included,
For receiving the signal of measured piece transmitting.
6. the rapid diagnosis system of wireless terminal as claimed in claim 5, which is characterized in that first communication antenna and
Two communication antennas are same antenna.
7. the rapid diagnosis system of the wireless terminal as described in any in claim 1-3, which is characterized in that the measurement antenna
In any one antenna simultaneously as communication antenna, for emitting interference signal and/or to measured piece for receiving measured piece hair
The signal penetrated.
8. such as claim 1, the rapid diagnosis system of any wireless terminal in 2,3,5,6, which is characterized in that the nothing
The rapid diagnosis system of line terminal be used for measure it is following in it is one or more：EIRP,TRP,EIS,Peak EIS,TIS,
gain,radiated sensitivity,desense。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721186069.3U CN207399220U (en) | 2017-09-15 | 2017-09-15 | The rapid diagnosis system of wireless terminal |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721186069.3U CN207399220U (en) | 2017-09-15 | 2017-09-15 | The rapid diagnosis system of wireless terminal |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107566057A (en) * | 2017-09-15 | 2018-01-09 | 深圳市通用测试系统有限公司 | The fast diagnosis method and system of wireless terminal |
| CN110531176A (en) * | 2019-08-19 | 2019-12-03 | 山东大学 | A kind of active antenna TRP method for fast measuring |
| CN115514429A (en) * | 2021-06-22 | 2022-12-23 | 中移物联网有限公司 | Antenna performance detection method and device, electronic equipment and storage medium |
-
2017
- 2017-09-15 CN CN201721186069.3U patent/CN207399220U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107566057A (en) * | 2017-09-15 | 2018-01-09 | 深圳市通用测试系统有限公司 | The fast diagnosis method and system of wireless terminal |
| CN107566057B (en) * | 2017-09-15 | 2024-06-11 | 深圳市通用测试系统有限公司 | Quick diagnosis method and system for wireless terminal |
| CN110531176A (en) * | 2019-08-19 | 2019-12-03 | 山东大学 | A kind of active antenna TRP method for fast measuring |
| CN110531176B (en) * | 2019-08-19 | 2021-05-11 | 山东大学 | Active antenna TRP rapid measurement method |
| CN115514429A (en) * | 2021-06-22 | 2022-12-23 | 中移物联网有限公司 | Antenna performance detection method and device, electronic equipment and storage medium |
| CN115514429B (en) * | 2021-06-22 | 2024-05-24 | 中移物联网有限公司 | Antenna performance detection method, device, electronic equipment and storage medium |
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