CN107515335A - Utilize the OTA test systems of MU MIMO technologies - Google Patents
Utilize the OTA test systems of MU MIMO technologies Download PDFInfo
- Publication number
- CN107515335A CN107515335A CN201710780934.5A CN201710780934A CN107515335A CN 107515335 A CN107515335 A CN 107515335A CN 201710780934 A CN201710780934 A CN 201710780934A CN 107515335 A CN107515335 A CN 107515335A
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- China
- Prior art keywords
- test
- locomotive
- mimo technologies
- ota
- server
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- 238000012360 testing method Methods 0.000 title claims abstract description 86
- 238000005516 engineering process Methods 0.000 title claims abstract description 34
- 230000003137 locomotive effect Effects 0.000 claims abstract description 33
- 238000004321 preservation Methods 0.000 claims description 4
- 230000008054 signal transmission Effects 0.000 claims description 4
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 description 7
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/08—Measuring electromagnetic field characteristics
- G01R29/10—Radiation diagrams of antennas
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/08—Measuring electromagnetic field characteristics
- G01R29/0864—Measuring electromagnetic field characteristics characterised by constructional or functional features
- G01R29/0871—Complete apparatus or systems; circuits, e.g. receivers or amplifiers
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
This application discloses a kind of OTA test systems using MU MIMO technologies, including remote operation controller, server, test site, locomotive and some fixed cars, the remote control and fixed car are connected to the server by wire harness respectively, some fixed cars are randomly distributed in the test site, the locomotive can move freely in the test site, the locomotive top is provided with measuring head free to rotate, the fixed roof end is located at equipment under test free to rotate, and the measuring head is tested using MU MIMO technologies.The signal intensity that this new OTA test system automatically testing equipment under test using MU MIMO technologies is sent, and draw out intuitively field strength pattern.
Description
Technical field
The application is related to aerial signal detection field, more particularly to a kind of OTA test systems using MU-MIMO technologies.
Background technology
Existing OTA test modes, in order to verify signal transmitting terminal (such as AP) and client is various uses angle case
Under performance, either multi-step rotation or continuous rotation mode, be all that a client and signal transmitting terminal form hair
Send reception.If multi-client tests OTA to induction signal transmitting terminal, channel congestion phenomenon can be formed, can not effectively lift entirety
Performance, existing OTA test modes, the equipment for supporting MU-MIMO technologies can not be effectively tested, is not supporting MU-MIMO skills
Under the background of art, when multi-client is to signal transmitting terminal while transmitting and receiving data, whole effect is dragged by a worst equipment
It is tired, lead to not the optimum performance for playing signal transmitting end equipment.In the case where not supporting MU-MIMO technologies, OTA surveys are done
During examination, the test mode of multi-client also turns into a kind of unpractical design.So need to propose to improve.
The content of the invention
It is an object of the invention to provide a kind of OTA test systems using MU-MIMO technologies, to overcome prior art
In deficiency.
To achieve the above object, the present invention provides following technical scheme：
The embodiment of the present application discloses a kind of OTA test systems using MU-MIMO technologies, including remote operation controller,
Server, test site, locomotive and some fixed cars, the remote control and fixed car are connected by wire harness respectively
The server is connected to, some fixed cars are randomly distributed in the test site, and the locomotive can move freely in institute
Test site is stated, the locomotive top is provided with measuring head free to rotate, and the fixed roof end is located at free to rotate
Equipment under test, the measuring head tested using MU-MIMO technologies.
Preferably, in the above-mentioned OTA test systems using MU-MIMO technologies, some fixed cars while and shifting
Signal transmission between motor-car be present.
Preferably, in the above-mentioned OTA test systems using MU-MIMO technologies, the locomotive often reaches a test
Point, the measuring head and some equipment under test synchronous backwards rotate a circle, and the locomotive is by test data by the fixed car
Transmit to server and preservation, the measuring head and some equipment under tests reset.
Preferably, in the above-mentioned OTA test systems using MU-MIMO technologies, except described solid in the test site
Determine not allow other wireless signals be present outside the signal between car and locomotive.
Preferably, it is described by the test data in the above-mentioned OTA test systems using MU-MIMO technologies
The exportable field strength pattern of server is to the remote operation controller.
Preferably, in the above-mentioned OTA test systems using MU-MIMO technologies, the locomotive is provided with camera,
Some cameras are provided with the test site.
Compared with prior art, the advantage of the invention is that：Sheet is new can using the OTA test systems of MU-MIMO technologies
Actual use situation is simulated, measuring head completes the test to multiple equipment under tests using MU-MIMO technologies simultaneously, will be by
The performance of measurement equipment is fully shown, and the stability of the system and reliability are all relatively in the past stronger, can be that signal is launched
The R＆D work of end equipment provides condition advantageously.
Brief description of the drawings
In order to illustrate more clearly of the embodiment of the present application or technical scheme of the prior art, below will to embodiment or
The required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
Some embodiments described in the application, for those of ordinary skill in the art, do not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 show the fundamental diagram of the OTA test systems using MU-MIMO technologies in the specific embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out in detail
Description, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Based on this hair
Embodiment in bright, those of ordinary skill in the art are obtained every other on the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Join shown in Fig. 1, the OTA test systems using MU-MIMO technologies in the present embodiment, including remote operation controller,
Server, test site, locomotive and some fixed cars, the remote control and fixed car are connected by wire harness respectively
The server is connected to, some fixed cars are randomly distributed in the test site, and the locomotive can move freely in institute
Test site is stated, the locomotive top is provided with measuring head free to rotate, and the fixed roof end is located at free to rotate
Equipment under test, the measuring head tested using MU-MIMO technologies.
In the technical scheme, this new OTA test system using MU-MIMO technologies can simulate actual use situation, and one
Individual measuring head completes the test to multiple equipment under tests using MU-MIMO technologies simultaneously, and the performance of equipment under test is fully shown
Out, and the stability of the system and reliability are all relatively in the past stronger, can be provided for the R＆D work of signal transmitting end equipment
Condition advantageously.
Further, signal transmission be present between fixed car and locomotive.
In the technical scheme, signal transmission between fixed car and locomotive be present, locomotive is tested the data obtained and passed through admittedly
Determine car and be transferred to server, then server draws out field strength pattern by processing.
Further, locomotive often reaches a test point, and measuring head and some equipment under test synchronous backwards rotate a circle,
Locomotive transmits test data to server and preservation by fixing car, and measuring head and some equipment under tests reset.
In the technical scheme, locomotive often reaches a test point, measuring head and the rotation of some equipment under test synchronous backwards
One week, it is ensured that the signal intensity of test to each direction of same test point, locomotive transmit test data to clothes by fixing car
It is engaged in after device and preservation, measuring head and some equipment under tests reset, and locomotive goes to next test point, then repeats above-mentioned work
Until all test terminates.
Further, do not allow other wireless communications be present in addition to the signal between fixed car and locomotive in test site
Number.
In the technical scheme, do not allow other nothings be present in addition to the signal between fixed car and locomotive in test site
Line signal, avoid influenceing the accuracy measured.
Further, test data, the exportable field strength pattern of server to remote operation controller are passed through.
In the technical scheme, by test data, the exportable field strength pattern of server passes through field strength to remote operation controller
Figure can intuitively read the signal intensity in each region.
Further, locomotive is provided with camera, and some cameras are provided with test site.
In the technical scheme, locomotive is provided with camera, some cameras is provided with test site, so as to staff
Real time inspection test process.
In summary, this new OTA test system using MU-MIMO technologies can simulate actual use situation, a survey
Head is tried using test of the completion to multiple equipment under tests simultaneously of MU-MIMO technologies, the performance of equipment under test is fully shown
Come, and the stability of the system and reliability are all relatively in the past stronger, can be provided more for the R＆D work of signal transmitting end equipment
Added with the condition of profit.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply between these entities or operation
Any this actual relation or order be present.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Cover including for nonexcludability, so that process, method, article or equipment including a series of elements not only include that
A little key elements, but also the other element including being not expressly set out, or also include for this process, method, article or
The intrinsic key element of equipment.In the absence of more restrictions, the key element limited by sentence "including a ...", not
Other identical element in the process including the key element, method, article or equipment also be present in exclusion.
Described above is only the embodiment of the application, it is noted that for the ordinary skill people of the art
For member, on the premise of the application principle is not departed from, some improvements and modifications can also be made, these improvements and modifications
It should be regarded as the protection domain of the application.
Claims (6)
1. a kind of OTA test systems using MU-MIMO technologies, it is characterised in that this is tested using the OTA of MU-MIMO technologies
System, including remote operation controller, server, test site, locomotive and some fixed cars, the remote control and
Fixed car is connected to the server by wire harness respectively, and some fixed cars are randomly distributed in the test site, described
Locomotive can move freely is provided with measuring head free to rotate, the fixation in the test site, the locomotive top
Roof end is located at equipment under test free to rotate, and the measuring head is tested using MU-MIMO technologies.
2. the OTA test systems according to claim 1 using MU-MIMO technologies, it is characterised in that：Some fixations
Signal transmission between locomotive be present simultaneously in car.
3. the OTA test systems according to claim 1 using MU-MIMO technologies, it is characterised in that：The locomotive is every
Reach a test point, the measuring head and some equipment under test synchronous backwards rotate a circle, the locomotive by test data by
The fixed car is transmitted to server and preservation, and the measuring head and some equipment under tests reset.
4. the OTA test systems according to claim 2 using MU-MIMO technologies, it is characterised in that：The test site
Do not allow other wireless signals be present in addition to the interior signal except between the fixed car and locomotive.
5. the OTA test systems according to claim 3 using MU-MIMO technologies, it is characterised in that：Pass through the test
Data, the exportable field strength pattern of server to the remote operation controller.
6. the OTA test systems according to claim 1 using MU-MIMO technologies, it is characterised in that：The locomotive is set
There is camera, some cameras are provided with the test site.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710780934.5A CN107515335A (en) | 2017-09-01 | 2017-09-01 | Utilize the OTA test systems of MU MIMO technologies |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710780934.5A CN107515335A (en) | 2017-09-01 | 2017-09-01 | Utilize the OTA test systems of MU MIMO technologies |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107515335A true CN107515335A (en) | 2017-12-26 |
Family
ID=60724864
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710780934.5A Withdrawn CN107515335A (en) | 2017-09-01 | 2017-09-01 | Utilize the OTA test systems of MU MIMO technologies |
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101325741A (en) * | 2007-06-14 | 2008-12-17 | Nxp股份有限公司 | Method and system for operating MU-MIMO wireless communication system |
| CN101769967A (en) * | 2008-12-30 | 2010-07-07 | 中兴通讯股份有限公司 | Radiation property testing method and system |
| JP2010531615A (en) * | 2007-06-27 | 2010-09-24 | テレフオンアクチーボラゲット エル エム エリクソン（パブル） | Congestion control at the sending node |
| CN101997618A (en) * | 2009-08-21 | 2011-03-30 | 中兴通讯股份有限公司 | Related device and method in test of MIMO wireless terminal |
| CN102714531A (en) * | 2010-01-20 | 2012-10-03 | 高通股份有限公司 | Method and apparatus for switching between single user detection and multi user detection |
| US20150092824A1 (en) * | 2013-10-01 | 2015-04-02 | Ixia | Systems and methods for beamforming measurements |
| CN105813124A (en) * | 2014-12-31 | 2016-07-27 | 展讯通信（上海）有限公司 | Performance test method and system of WIFI and/or LTE terminal device |
| CN206294185U (en) * | 2016-12-27 | 2017-06-30 | 北京中科国技信息系统有限公司 | Support the darkroom of the configuration level ring of SISO and MIMO OTA |
| CN107015069A (en) * | 2017-05-19 | 2017-08-04 | 江苏爱吉亚电子科技有限公司 | signal intelligent test system |
| CN107024621A (en) * | 2016-01-29 | 2017-08-08 | 安立股份有限公司 | Massive mimo antennas measurement apparatus and its directivity measurement method |
| WO2017143297A1 (en) * | 2016-02-18 | 2017-08-24 | Ping Liang | Massive mimo channel emulator |
| CN207268756U (en) * | 2017-09-01 | 2018-04-24 | 江苏爱吉亚电子科技有限公司 | System is tested using the OTA of MU-MIMO technologies |
-
2017
- 2017-09-01 CN CN201710780934.5A patent/CN107515335A/en not_active Withdrawn
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101325741A (en) * | 2007-06-14 | 2008-12-17 | Nxp股份有限公司 | Method and system for operating MU-MIMO wireless communication system |
| JP2010531615A (en) * | 2007-06-27 | 2010-09-24 | テレフオンアクチーボラゲット エル エム エリクソン（パブル） | Congestion control at the sending node |
| CN101769967A (en) * | 2008-12-30 | 2010-07-07 | 中兴通讯股份有限公司 | Radiation property testing method and system |
| CN101997618A (en) * | 2009-08-21 | 2011-03-30 | 中兴通讯股份有限公司 | Related device and method in test of MIMO wireless terminal |
| CN102714531A (en) * | 2010-01-20 | 2012-10-03 | 高通股份有限公司 | Method and apparatus for switching between single user detection and multi user detection |
| US20150092824A1 (en) * | 2013-10-01 | 2015-04-02 | Ixia | Systems and methods for beamforming measurements |
| CN105813124A (en) * | 2014-12-31 | 2016-07-27 | 展讯通信（上海）有限公司 | Performance test method and system of WIFI and/or LTE terminal device |
| CN107024621A (en) * | 2016-01-29 | 2017-08-08 | 安立股份有限公司 | Massive mimo antennas measurement apparatus and its directivity measurement method |
| WO2017143297A1 (en) * | 2016-02-18 | 2017-08-24 | Ping Liang | Massive mimo channel emulator |
| CN206294185U (en) * | 2016-12-27 | 2017-06-30 | 北京中科国技信息系统有限公司 | Support the darkroom of the configuration level ring of SISO and MIMO OTA |
| CN107015069A (en) * | 2017-05-19 | 2017-08-04 | 江苏爱吉亚电子科技有限公司 | signal intelligent test system |
| CN207268756U (en) * | 2017-09-01 | 2018-04-24 | 江苏爱吉亚电子科技有限公司 | System is tested using the OTA of MU-MIMO technologies |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20171226 |
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| WW01 | Invention patent application withdrawn after publication |