CN106291145A - The test system of wireless terminal - Google Patents
The test system of wireless terminal Download PDFInfo
- Publication number
- CN106291145A CN106291145A CN201510239297.1A CN201510239297A CN106291145A CN 106291145 A CN106291145 A CN 106291145A CN 201510239297 A CN201510239297 A CN 201510239297A CN 106291145 A CN106291145 A CN 106291145A
- Authority
- CN
- China
- Prior art keywords
- reflecting surface
- wireless terminal
- measured piece
- test system
- focus
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Monitoring And Testing Of Transmission In General (AREA)
Abstract
The invention discloses the test system of a kind of wireless terminal, including: measured piece, measured piece is wireless terminal；Shielding case body；Reflecting surface, reflecting surface is arranged on the inwall of shielding case body, and reflecting surface is focused total reflection for the wireless signal sending measured piece, wherein, reflecting surface is elliposoidal reflecting surface, and the ellipsoid that reflecting surface is formed has the first focus and the second focus, and measured piece is arranged in the first focus；Measure antenna, measure antenna and be arranged in the second focus；And measurement apparatus, measurement apparatus is connected with measuring antenna by connecting cable, and measurement apparatus measures the power sum of the wireless signal that antenna receives for detecting.This system has that test space volume is little, test result repeatability error is little, test result is stable, testing efficiency advantages of higher, is particularly suited for wireless terminal performance and detects in the high-speed traffic performance of production line.
Description
Technical field
The present invention relates to technical field of measurement and test, particularly relate to the test system of a kind of wireless terminal.
Background technology
At present, the product (such as mobile phone, panel computer etc.) of wireless terminal has become as the important need of people's life.Intelligence
Wireless terminal enters each link of people's daily routines the most at a terrific speed.And the production in enormous quantities of these wireless terminals
Need effective radio-frequency measurement device to make its radiance quickly to measure, just can produce end product with guaranteeing both quality and quantity.Weigh
The main representative index of wireless terminal product communication performance is total radiant power and receiver total sensitivity.Measure the two performance
Refer to that calibration method can only be by making actinometry to finished parts terminal.
The antenna of mobile radio-communications terminal is frequently not beam antenna, but has radiation and acceptance to space all directions
Can be to ensure and neighbouring communication base station as much as possible holding radio communication.According to CTIA (U.S.'s radio communication and internet protocol
Meeting) testing standard, the test definition carried out by the wireless performance of wireless terminal is OTA (Over-The-Air, vacant terminal
Port communications performance) test.The basic ideas of OTA test radiate in different solid angles from wireless terminal by measuring
Energy measures the total radiant power TRP (Total Radiated Power) of terminal；Simultaneously by measuring in different solid angles
The terminal receiving sensitivity gone out determines total receiving sensitivity TIS (Total Isotropic Sensitivity) of terminal.
In correlation technique, as shown in Fig. 1 (a), for the test system of a kind of existing wireless terminal, this test system is main
Realizing the OTA to wireless terminal by great circle patterning method to measure, it implements can be as follows: by measured piece (the most wireless end
End) it is placed in the center of a dimensional turntable, measured piece (correspond to ball the most respectively along with turntable can rotate around 2 rotary shafts
The θ angle of coordinate and φ angle), use a quadrature dualpolarized to measure antenna, measured piece and measurement antenna and be arranged at shielding electromagnetism
In ripple darkroom, measured piece receives towards the measured antenna of direct signal measuring antenna, and to the radiation signal quilt in other directions
The absorbing material placed in microwave dark room absorbs.Its test process is as follows: θ angle turns to 180 ° from 0 °, and interval is 15 °；
φ angle turns to 360 ° from 0 °, and interval is also 15 °；Concrete rotating manner is, when θ is 0 °, φ angle from 0 ° to
360 ° rotate with the interval of 15 °, often turn to a position, just stop and carry out the measurement of direction signal intensity；So
Rear θ angle forwards 15 ° to, φ angle still from 0 ° to 360 ° with 15 ° interval rotate, often turn to a position just stop into
The test of row signal intensity；By that analogy, each position of θ, φ angle all rotates 360 °；So amount to 266 positions.
Two cross-polarized antennas want each work respectively measuring solid angle to measure for 2 times；Therefore add up to 532 measurement data points.Will
This 532 makees surface integral from the measurement data of different directions, so that it may draw the global radiation merit that measured piece radiates to free space
Rate TRP.
If doing sensitivity measure, in order to reduce the measurement time, then θ angle and rotation interval, φ angle are 30 °, overall measurement orientation
It is 62.Measurement system searches the sensitivity threshold of terminal receiver respectively two of all directions polarization, also passes through sphere
Integration just can draw total receiving sensitivity TIS of wireless terminal.
As shown in Fig. 1 (b), for the test system of another kind of existing wireless terminal, this test system is mainly cut by circular cone
The method of cutting realizes the OTA to wireless terminal and measures, and it implements can be as follows: between the θ angular direction of spherical coordinates is according to 15 °
Measuring antenna (as shown in Fig. 1 (b)) away from laying multiple quadrature dualpolarizeds, the φ angular range of spherical coordinates is then completed by turntable.
Its test process is as follows: at φ angle during 0 ° of stepping turning to 360 °, and measurement system electrical switch points to successively
Each probe antenna at θ angle makees the measurement of direction signal intensity or sensitivity.When completing same orientation, polarization measurement point
After data acquisition, process through surface integral data, so that it may draw the total radiant power TRP that wireless terminal radiates to free space
Or terminal receiver global radiation sensitivity TIS.
But the problem that presently, there are is: the measuring speed of above-mentioned two kinds of conventional method of testings is slow, and owing to requiring probe
With the distance between measured piece need to be more than far field distance, be typically larger than 2 meters, so that the volume of the system of measurement is the hugest,
Manufacturing cost is high, is not suitable for Quality Detection during wireless terminal scale of mass production.
Summary of the invention
It is contemplated that one of solve above-mentioned technical problem the most to a certain extent.
To this end, it is an object of the present invention to propose the test system of a kind of wireless terminal.This system has test space body
Long-pending little, test result repeatability error is little, test result is stable, testing efficiency advantages of higher.
To achieve these goals, the test system of the wireless terminal of one aspect of the present invention embodiment, including: measured piece, institute
Stating measured piece is wireless terminal；Shielding case body；Reflecting surface, described reflecting surface is arranged on the inwall of described shielding case body, described
Reflecting surface is focused total reflection for the wireless signal sending described measured piece, and wherein, described reflecting surface is that elliposoidal is anti-
Penetrating face, the ellipsoid that described reflecting surface is formed has the first focus and the second focus, and described measured piece is arranged on described first
In focus；Measuring antenna, described measurement antenna is arranged in described second focus；And measurement apparatus, described measurement apparatus
Being connected with described measurement antenna by connecting cable, described measurement apparatus is for detecting the wireless signal that described measurement antenna receives
Power sum.
The test system of wireless terminal according to embodiments of the present invention, multiple sides measured piece launched by elliposoidal reflecting surface
To radiation signal converge to measure antenna, make the radiation signal of multiple directions measure reach homophase phase place at antenna superposition,
Power combing, such that it is able to once record the power sum of the multiple directions radiation signal that measured piece is launched, simple to operate, survey
Examination efficiency is high, and has the advantages such as test space volume is little, test result repeatability error is little, test result is stable, especially
It is applicable to wireless terminal performance and detects in the high-speed traffic performance of production line.
According to one embodiment of present invention, this test system also includes: inhaling wave screen for two, said two is inhaled wave screen and glued respectively
It is placed on the end face up and down of described elliposoidal reflecting surface, so that described reflecting surface becomes flat-top ellipsoid reflecting surface.
Wherein, in one embodiment of the invention, described suction wave screen is that ripple cotton inhaled by flat board.
In another embodiment of the present invention, described suction wave screen is that ripple cotton inhaled by pyramid.
According to one embodiment of present invention, described test system also includes: controller, described controller and described measured piece
Connect, be used for controlling described measured piece and send described wireless signal.
In an embodiment of the present invention, described controller and described measurement apparatus lay respectively at outside described shielding case body.
According to one embodiment of present invention, described test system also includes: fixture, is used for fixing described measured piece.At this
In inventive embodiment, the principal direction of wireless signal that described controller is additionally operable to be sent at described measured piece is described suction ripple
When shielding the direction at place, control described fixture and adjust the angle of described measured piece.
According to one embodiment of present invention, described first focus and the second focus with the distance of described flat-top ellipsoid reflecting surface are
Described measured piece is in 1/4 wavelength during least significant end operating frequency.
Wherein, in one embodiment of the invention, described shielding case body be shaped as elliposoidal.
Wherein, in one embodiment of the invention, the material of described reflecting surface is made up of metal material.Wherein, metal material
Material can be the preferable metal of conductivity.
Aspect and advantage that the present invention adds will part be given in the following description, and part will become bright from the following description
Aobvious, or recognized by the practice of the present invention.
Accompanying drawing explanation
The present invention above-mentioned and/or that add aspect and advantage will be apparent from from the following description of the accompanying drawings of embodiments
With easy to understand, wherein,
Fig. 1 (a) is the schematic diagram of the test system of a kind of existing wireless terminal；
Fig. 1 (b) is the schematic diagram of the test system of another kind of existing wireless terminal；
Fig. 2 is the structural representation of the test system of wireless terminal according to an embodiment of the invention；
Fig. 3 is the structural representation of the test system of wireless terminal in accordance with another embodiment of the present invention；
Fig. 4 is the structural representation of the test system of the wireless terminal according to another embodiment of the present invention.
Detailed description of the invention
Embodiments of the invention are described below in detail, and the example of described embodiment is shown in the drawings, the most identical
Or similar label represents same or similar element or has the element of same or like function.Retouch below with reference to accompanying drawing
The embodiment stated is exemplary, it is intended to is used for explaining the present invention, and is not considered as limiting the invention.
Below with reference to the accompanying drawings the test system of wireless terminal according to embodiments of the present invention is described.
Fig. 2 is the structural representation of the test system of wireless terminal according to an embodiment of the invention.As in figure 2 it is shown, should
The test system of wireless terminal may include that measured piece 10, shielding case body 20 (not shown in Fig. 2), reflecting surface 30, surveys
Amount antenna 40 and measurement apparatus 50.Wherein, in an embodiment of the present invention, measured piece 10 can be wireless terminal, wireless end
End can be the hardware device that mobile phone, panel computer, personal digital assistant etc. have various operating system.Additionally, shielded box
The shape of body 20 can be elliposoidal.
As in figure 2 it is shown, reflecting surface 30 is arranged on the inwall of shielding case body 20 (not shown in Fig. 2), reflecting surface 30 can be used
It is focused total reflection in the wireless signal that measured piece 10 is sent.Wherein, in an embodiment of the present invention, reflecting surface 30
For elliposoidal reflecting surface, the ellipsoid that reflecting surface 30 is formed has the first focus 31 and the second focus 32, measured piece 10
It is arranged in this first focus 31, measures antenna 40 and be arranged in the second focus 32.Additionally, in an embodiment of the present invention,
Reflecting surface 30 can be made up of metal material, and metal material can be the preferable metal of conductivity, such as copper, aluminum etc..Need
Bright, measured piece 10 and the placement location measuring antenna 40 are not limited in the first focus 31 and the second focus 32.
It is to say, measured piece 10 may also be arranged in the second focus 32, measure antenna 40 and be arranged in the first focus 31, only
Measured piece 10 is separately positioned in the two focus with measuring antenna 40.
Measurement apparatus 50 can be connected with measuring antenna 40 by connecting cable C, and measurement apparatus 50 can be used for detection and measures antenna
The power sum of 40 wireless signals received.
Further, in one embodiment of the invention, as in figure 2 it is shown, the test system of this wireless terminal may also include
Controller 60, controller 60 is connected with measured piece 10, and controller 60 can be used for controlling the wireless signal that measured piece 10 sends.
In an embodiment of the present invention, controller 60 and measurement apparatus 50 can lay respectively at shielding case body 20 (not shown in Fig. 2)
Outside.
More specifically, shielding case body 20 can be used for the Electromagnetic Interference that shielding is extraneous, shielding case body 20 (not shown in Fig. 2)
Inner surface can form an ellipsoid, in specific embodiment, can be metallized by this ellipsoid, available elliposoidal reflection
Face 30.This elliposoidal reflecting surface 30 can form two focuses in cavity, from the energy of a focus transmitting through ellipse in principle
Will be focused onto in another focus after spherical reflecting surface 30 reflection.Therefore, measurement antenna 40 is arranged on a focus
In (such as the second focus 32), and measured piece 10 is placed in another focus (such as the first focus 10)；Such as Fig. 2 institute
Showing, the electromagnetic wave energy that measured piece 10 is launched most efficiently can be focused on the measurement being positioned at the second focus 32 by this set
On antenna 40, then constituted effective communication link by measurement antenna 40 and measurement apparatus 50.
The principle of the test system of the embodiment of the present invention is further illustrated below.
As in figure 2 it is shown, according to the definition of ellipsoid and character, the electromagnetic wave signal launched from measured piece 10 is anti-through elliposoidal
The reflection penetrating face 30 can be incided at another focus measurement antenna 40 place, and according to the physical principle of ellipsoid reflecting surface,
The all of multipath electromagnetic wave signal incidence after elliposoidal reflecting surface 30 reflects launched from different azimuth from measured piece 10
Identical to the diffusion path length measuring antenna 40, thus the phase contrast that propagation path causes is identical, therefore, from one
Multiple signals that focus sends, through reflecting, converging to another focal point, can realize focusing on the in-phase stacking received substantially
The purpose of power combing.There is certain EDS maps owing to being positioned at the measured piece 10 of the first focus 31 again, reflect through elliposoidal
Energy after the reflection of face 30 is concentrated in the transversal plane around the second focus 32, therefore receives measurement antenna 40 and need necessarily
EDS maps could more effectively receive the electromagnetic wave energy of convergence.
It should be noted that owing to the existence of metal mirror 30 dorsad can cause measuring antenna 40 and the antenna of measured piece 10
Mismatch.In order to reduce the negative effect of the measurement not accuracy that this effect is brought, further, in a reality of the present invention
Executing in example, such as Fig. 3 and as shown in Figure 4, this test system may also include two and inhales wave screen 70, inhales wave screen 70 respectively for two
The viscous end face up and down being placed on elliposoidal reflecting surface 30, so that reflecting surface 30 becomes flat-top ellipsoid reflecting surface, will reflecting surface 30
Amendment makes a variation into two part ellipsoidal shape reflectings surface inhaling wave screen.Wherein, in one embodiment of the invention, such as figure
Shown in 3, two are inhaled wave screen 70 can be that ripple cotton inhaled by flat board, and flat board is inhaled ripple cotton and can be made up of lamellar absorbing material.The present invention's
In another embodiment, as shown in Figure 4, two are inhaled wave screen 70 can be that ripple cotton inhaled by pyramid, and ripple cotton inhaled by pyramid can be inhaled ripple by taper
Material is made.Thus, the measurement reproducibility of measurement cavity can be improved by inhaling wave screen 70.
It should be noted that Fig. 3 and Fig. 4 show be flat-top elliposoidal reflecting surface composition part ellipsoidal planar survey system
Schematic diagram.The reflecting surface 30 of wave screen 70 inhaled by the focus (i.e. first focus 31 and the second focus 32) of both designs and band
1/4 wavelength that (the most above-mentioned flat-top ellipsoid reflecting surface) distance is in during least significant end working frequency range with measured piece 10 as far as possible is
Design guidelines, to ensure that direct wave and echo are in-phase stacking when low side operating frequency absorbing property is bad.
Thus, it is possible to find out, measurement system proposed by the invention is when measuring measured piece 10, according to measured piece
The requirement of 10 tests, the measured piece 10 that will be located in a near focal point converges to another Jiao at the radiation signal of multiple directions
Measurement antenna 40 near point；Again because make use of the characteristic of elliposoidal reflecting surface 30, the radiation signal of multiple directions is being surveyed
The superposition of homophase phase place, power combing is can reach, such that it is able to once record the plurality of direction radiation signal at amount antenna 40
Power sum.But, if used conventional methods, it is necessary to the radiation signal in described each direction will be measured, then will
Measurement result carries out data process, power is added, and the measurement time taken is probably more than 500 times or more than 120 times.
It should be noted that when using measurement system as shown in Figure 3 or Figure 4 to measure, due to upper and lower ellipsoid end face
Scabbled and be with the addition of suction wave screen 70, if the emittance principal direction of measured piece 10 is just towards inhaling wave screen 70 process
Reflecting surface is absorbed in a large number so that when the energy that measured piece 10 can be focused becomes the fraction of gross energy, measures the spirit of system
Sensitivity and accuracy will be by than large effects.In order to improve the certainty of measurement of this specific measured piece 10, in the present invention
An embodiment in, this test system may also include fixture (not shown), and fixture can be used for fixing measured piece 10.
In an embodiment of the present invention, controller 60 can be additionally used in the principal direction of the wireless signal sent at measured piece 10 for inhaling ripple
When shielding the direction at 70 places, control fixture and adjust the angle of measured piece 10, as stirred measured piece 10.
It is appreciated that owing to receiving, launching be reciprocity, so foregoing description is also applied for the survey of measured piece 10 receptivity
Examination, does not repeats them here.
The test system of wireless terminal according to embodiments of the present invention, multiple sides measured piece launched by elliposoidal reflecting surface
To radiation signal converge to measure antenna, make the radiation signal of multiple directions measure reach homophase phase place at antenna superposition,
Power combing, such that it is able to once record the power sum of the multiple directions radiation signal that measured piece is launched, simple to operate, survey
Examination efficiency is high, and has the advantages such as test space volume is little, test result repeatability error is little, test result is stable, especially
It is applicable to wireless terminal performance and detects in the high-speed traffic performance of production line.
In describing the invention, it is to be understood that term " on ", D score, " top ", " interior ", " outward ", " axially ",
" radially " etc. orientation or the position relationship of instruction is based on orientation shown in the drawings or position relationship, is for only for ease of description
The present invention and simplification describe rather than indicate or imply that the device of indication or element must have specific orientation, with specifically
Azimuth configuration and operation, be therefore not considered as limiting the invention.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed
Or implicitly include at least one this feature.In describing the invention, " multiple " are meant that at least two, such as two
Individual, three etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, term " install ", " being connected ", " connection ", " fixing "
Should be interpreted broadly Deng term, connect for example, it may be fixing, it is also possible to be to removably connect, or integral；Can be
It is mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two
The connection of individual element internal or the interaction relationship of two elements, unless otherwise clear and definite restriction.Common for this area
For technical staff, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can
Being that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, the
One feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or
Oblique upper, or it is merely representative of fisrt feature level height higher than second feature.Fisrt feature second feature " under ",
" lower section " and " below " can be fisrt feature immediately below second feature or obliquely downward, or it is special to be merely representative of first
Levy level height less than second feature.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " concrete example ",
Or specific features, structure, material or the feature that the description of " some examples " etc. means to combine this embodiment or example describes
It is contained at least one embodiment or the example of the present invention.In this manual, need not to the schematic representation of above-mentioned term
Identical embodiment or example must be directed to.And, the specific features of description, structure, material or feature can be in office
One or more embodiments or example combine in an appropriate manner.Additionally, in the case of the most conflicting, this area
The feature of the different embodiments described in this specification or example and different embodiment or example can be tied by technical staff
Close and combination.
Although above it has been shown and described that embodiments of the invention, it is to be understood that above-described embodiment is exemplary,
Being not considered as limiting the invention, those of ordinary skill in the art within the scope of the invention can be to above-described embodiment
It is changed, revises, replaces and modification.
Claims (10)
1. the test system of a wireless terminal, it is characterised in that including:
Measured piece, described measured piece is wireless terminal；
Shielding case body；
Reflecting surface, described reflecting surface is arranged on the inwall of described shielding case body, and described reflecting surface is for sending described measured piece
Wireless signal be focused total reflection, wherein, described reflecting surface is elliposoidal reflecting surface, and it is ellipse that described reflecting surface is formed
Sphere has the first focus and the second focus, and described measured piece is arranged in described first focus；
Measuring antenna, described measurement antenna is arranged in described second focus；And
Measurement apparatus, described measurement apparatus is connected with described measurement antenna by connecting cable, and described measurement apparatus is used for detecting
The power sum of the wireless signal that described measurement antenna receives.
2. the test system of wireless terminal as claimed in claim 1, it is characterised in that also include:
Inhaling wave screen for two, said two inhales the wave screen viscous end face up and down being placed on described elliposoidal reflecting surface respectively so that described instead
The face of penetrating becomes flat-top ellipsoid reflecting surface.
3. the test system of wireless terminal as claimed in claim 2, it is characterised in that wherein, described suction wave screen is flat board
Suction ripple is cotton.
4. the test system of wireless terminal as claimed in claim 2, it is characterised in that wherein, described suction wave screen is pyramid
Suction ripple is cotton.
5. the test system of wireless terminal as claimed in claim 1, it is characterised in that also include:
Controller, described controller is connected with described measured piece, is used for controlling described measured piece and sends described wireless signal.
6. the test system of wireless terminal as claimed in claim 5, it is characterised in that described controller measures dress with described
Put and lay respectively at outside described shielding case body.
7. the test system of wireless terminal as claimed in claim 2, it is characterised in that also include:
Fixture, is used for fixing described measured piece；
Described controller is additionally operable to the direction that principal direction is described suction wave screen place of the wireless signal sent at described measured piece
Time, control described fixture and adjust the angle of described measured piece.
8. the test system of wireless terminal as claimed in claim 2, it is characterised in that described first focus and the second focus
With the distance of described flat-top ellipsoid reflecting surface be described measured piece be in least significant end operating frequency time 1/4 wavelength.
9. the test system of wireless terminal as claimed in claim 1, it is characterised in that wherein, the shape of described shielding case body
Shape is elliposoidal.
10. the test system of wireless terminal as claimed in claim 1, it is characterised in that wherein, described reflecting surface is by gold
Belong to material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510239297.1A CN106291145B (en) | 2015-05-12 | 2015-05-12 | The test macro of wireless terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510239297.1A CN106291145B (en) | 2015-05-12 | 2015-05-12 | The test macro of wireless terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106291145A true CN106291145A (en) | 2017-01-04 |
| CN106291145B CN106291145B (en) | 2019-03-01 |
Family
ID=57631564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510239297.1A Active CN106291145B (en) | 2015-05-12 | 2015-05-12 | The test macro of wireless terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106291145B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108574608A (en) * | 2017-03-13 | 2018-09-25 | 深圳市新益技术有限公司 | A kind of wireless telecommunications testing throughput system and method based on MIMO |
| CN109358215A (en) * | 2018-09-04 | 2019-02-19 | 广州市诚臻电子科技有限公司 | A kind of screened room of rotary replacement monitor station |
| CN110391855A (en) * | 2018-04-17 | 2019-10-29 | 罗德施瓦兹两合股份有限公司 | Measuring system and method for operating measuring system |
| CN112394234A (en) * | 2019-08-16 | 2021-02-23 | 稜研科技股份有限公司 | Quick aerial production line test platform |
| WO2022036545A1 (en) * | 2020-08-18 | 2022-02-24 | Qualcomm Incorporated | Total radiated power tests for transmit diversity |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4931798A (en) * | 1987-06-03 | 1990-06-05 | Tokin Corporation | Electromagnetic anechoic chamber with an inner electromagnetic wave reflection surface and an electromagnetic wave absorption small ball disposed in the chamber |
| CN101802625A (en) * | 2007-09-28 | 2010-08-11 | 安立股份有限公司 | Radiated power measuring method, coupler for radiate power measurement, and radiated power measuring device |
| JP2013019856A (en) * | 2011-07-14 | 2013-01-31 | Anritsu Corp | Measuring method of antenna reflection loss of radio terminal and measuring apparatus |
| CN103812586A (en) * | 2012-11-13 | 2014-05-21 | 深圳市鼎立方无线技术有限公司 | Measuring system |
| CN103856272A (en) * | 2012-12-03 | 2014-06-11 | 深圳市通用测试系统有限公司 | Method of testing wireless performance of MIMO wireless terminal |
| CN104569635A (en) * | 2013-10-15 | 2015-04-29 | 深圳市通用测试系统有限公司 | Wireless terminal antenna performance testing system |
-
2015
- 2015-05-12 CN CN201510239297.1A patent/CN106291145B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4931798A (en) * | 1987-06-03 | 1990-06-05 | Tokin Corporation | Electromagnetic anechoic chamber with an inner electromagnetic wave reflection surface and an electromagnetic wave absorption small ball disposed in the chamber |
| CN101802625A (en) * | 2007-09-28 | 2010-08-11 | 安立股份有限公司 | Radiated power measuring method, coupler for radiate power measurement, and radiated power measuring device |
| JP2013019856A (en) * | 2011-07-14 | 2013-01-31 | Anritsu Corp | Measuring method of antenna reflection loss of radio terminal and measuring apparatus |
| CN103812586A (en) * | 2012-11-13 | 2014-05-21 | 深圳市鼎立方无线技术有限公司 | Measuring system |
| CN103856272A (en) * | 2012-12-03 | 2014-06-11 | 深圳市通用测试系统有限公司 | Method of testing wireless performance of MIMO wireless terminal |
| CN104569635A (en) * | 2013-10-15 | 2015-04-29 | 深圳市通用测试系统有限公司 | Wireless terminal antenna performance testing system |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108574608A (en) * | 2017-03-13 | 2018-09-25 | 深圳市新益技术有限公司 | A kind of wireless telecommunications testing throughput system and method based on MIMO |
| CN110391855A (en) * | 2018-04-17 | 2019-10-29 | 罗德施瓦兹两合股份有限公司 | Measuring system and method for operating measuring system |
| CN110391855B (en) * | 2018-04-17 | 2022-12-30 | 罗德施瓦兹两合股份有限公司 | Measuring system and method for operating a measuring system |
| CN109358215A (en) * | 2018-09-04 | 2019-02-19 | 广州市诚臻电子科技有限公司 | A kind of screened room of rotary replacement monitor station |
| CN109358215B (en) * | 2018-09-04 | 2024-03-26 | 广州市诚臻电子科技有限公司 | Shielding room of rotary replacement detection table |
| CN112394234A (en) * | 2019-08-16 | 2021-02-23 | 稜研科技股份有限公司 | Quick aerial production line test platform |
| WO2022036545A1 (en) * | 2020-08-18 | 2022-02-24 | Qualcomm Incorporated | Total radiated power tests for transmit diversity |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106291145B (en) | 2019-03-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9964577B2 (en) | Wireless terminal testing system | |
| US10416214B2 (en) | System for testing wireless terminal and method for controlling the same | |
| US7035594B2 (en) | Method and apparatus for testing and evaluating wireless communication devices | |
| Arai | Measurement of mobile antenna systems | |
| CN106291145A (en) | The test system of wireless terminal | |
| EP3182144B1 (en) | Wireless terminal testing system and method for controlling same | |
| CN106850086B (en) | Electromagnetic wave chamber based on array antenna | |
| JP7329085B2 (en) | High-speed OTA production line test platform | |
| CN106936524B (en) | Test system of wireless terminal | |
| CN106771673B (en) | A kind of GPS antenna directionality test method and system | |
| JP5033187B2 (en) | Antenna coupler | |
| García-Fernández et al. | Antenna gain and radiation pattern measurements in reverberation chamber using Doppler effect | |
| CN106161703B (en) | The test macro of wireless terminal and control method for it | |
| US11372037B2 (en) | Freespace antenna measurement system | |
| CN112834830A (en) | Antenna near-field coupling measurement device and method | |
| CN108896831B (en) | Method for performing OTA (over the air) measurement on active antenna by combining indoor near field and far field | |
| CN205356355U (en) | Wireless terminal's test system | |
| TW202018310A (en) | An automatic system for antenna measurement | |
| Fordham | An introduction to antenna test ranges, measurements and instrumentation | |
| CN207399220U (en) | The rapid diagnosis system of wireless terminal | |
| WO2023216595A1 (en) | Test system for active antenna | |
| CN107566057A (en) | The fast diagnosis method and system of wireless terminal | |
| CN208143227U (en) | A kind of test macro of mobile terminal | |
| CN214503759U (en) | Antenna test system | |
| JP2013019856A (en) | Measuring method of antenna reflection loss of radio terminal and measuring apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |