CN107819530A - For active antenna for base station or the test system and method for base station system OTA performances - Google Patents
For active antenna for base station or the test system and method for base station system OTA performances Download PDFInfo
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- CN107819530A CN107819530A CN201610815225.1A CN201610815225A CN107819530A CN 107819530 A CN107819530 A CN 107819530A CN 201610815225 A CN201610815225 A CN 201610815225A CN 107819530 A CN107819530 A CN 107819530A
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- 238000012360 testing method Methods 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims abstract description 32
- 239000000523 sample Substances 0.000 claims abstract description 35
- 230000005855 radiation Effects 0.000 claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 238000012545 processing Methods 0.000 claims description 25
- 238000005070 sampling Methods 0.000 claims description 13
- 230000010287 polarization Effects 0.000 claims description 11
- 230000035945 sensitivity Effects 0.000 claims description 11
- 238000004458 analytical method Methods 0.000 claims description 8
- 241001269238 Data Species 0.000 claims description 4
- 238000004364 calculation method Methods 0.000 claims description 3
- 230000009977 dual effect Effects 0.000 claims description 3
- 239000013589 supplement Substances 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/10—Monitoring; Testing of transmitters
- H04B17/15—Performance testing
-
- 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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- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a kind of test system and method for being used for active antenna for base station or base station system OTA performances, system includes software carrier, linear transducer array device, control device of popping one's head in, signal transmitting and demodulating equipment, servicing unit, microwave dark room, turntable.Method proposed by the present invention is based on microwave dark room, transmitting and receptivity to active antenna for base station or base station system are tested, and active antenna for base station or base station system radiated signal strength, quality are sampled using Multi probe and carries out 360 degree of spheres or partial cross section progress calculus calculates so as to show that the every of emitting performance assesses.Using Multi probe rotation to active antenna for base station or base station system transmission signal, demodulation index is obtained as sampled data in base station end, calculus calculating is carried out in 360 degree of spheres or partial cross section, so as to show that the every of receptivity assesses, both the computing that total data can have been carried out draws 360 degrees omnidirection radiance, and the computing that can also carry out local azimuthal draws partial radiation performance.
Description
Technical field
The present invention relates to wireless communication technology field, more particularly to for active antenna for base station or base station system
The test system and method for OTA performances.
Background technology
Under the rapid development of the communications field, electromagnetic environment is increasingly complicated, and people are to the performance of base station system not in office
It is limited to the performance of individual module, but more attention location system overall performance shows.Antenna for base station complexity is continuous simultaneously
Increase, the equipment such as adaptive MIMO class antenna (active), active antenna for base station occur.But active antenna for base station is this kind of to be set
Its standby passive antenna sections can not be partially separated with Active control, therefore can not be individually to the radiance of its passive antenna module
Carry out independent test.So the wireless antenna module of active antenna for base station or base station system radiance test only by pair
Active antenna for base station entirety or base station system overall test is carried out.Obviously it is necessary that design is a kind of for having source base station or base
System of standing overall test system and method for testing.
The content of the invention
In view of this, first purpose of the invention is that providing one kind is used for active antenna for base station or base station system OTA
The test system and method for performance, the test system can be used for there is the test of source base station or base station system entirety.
To achieve the above object, the present invention provides following technical scheme：
For active antenna for base station or the test system and method for base station system OTA performances, including：Linear transducer array device,
Including multiple probes, the radiation channel power each put in space to measured object and radiation receiving sensitivity are sampled or right
Measured object carries out signal irradiation；Probe control device, is connected with the probe on linear transducer array device and connects processing unit, controls
Probe and polarization on different directions is enabled；Signal launches and demodulating equipment, is connected with probe control device and processing unit, from
Linear transducer array device obtains the signal sampled and the signal to sampling is demodulated analysis and obtains sampled data or generation tune
Signal irradiation source processed；Servicing unit, measured object and processing unit are connected, control measured object transmission signal or read measured object reception
Signal results；Microwave dark room；Turntable；Drive measured object to do relative to the linear transducer array device to rotate；Processing unit, with probe
Control device signal transmitting is connected with demodulating equipment, the calculus calculation process of carry out in whole or in part to sampled data draw by
Survey radiation in whole or in part and the receptivity data of thing.
By such scheme, active antenna for base station or base station system can be carried out the samplings of 360 degree omnirange data with
Computing draws 360 degrees omnidirection radiation and receptivity, can also carry out the sampling of local azimuthal and computing draws partial radiation
And receptivity, the test system and method for testing can make measurement to active antenna for base station or base station system and judge, the party
Method is also suitable tests with other kinds of active antenna.
Preferably, in above-mentioned a kind of test system and method for active antenna for base station or base station system OTA performances,
The multiple probe is popped one's head in for multiple square crossing dual polarizations.
By such scheme, active antenna for base station or base station system can be sampled, probe quantity is more, sampled point
It is more intensive.The sampling of local azimuthal can be carried out, can also coordinate turntable rotation to complete the sampling of 360 degree of omnirange data.
Preferably, in above-mentioned a kind of test system and method for active antenna for base station or base station system OTA performances,
The signal transmitting can launch modulated signal and demodulation modulated signal with demodulating equipment.
By such scheme, signal transmitting is demodulated analysis or generation modulation letter with demodulating equipment to the signal sampled
Number irradiation source, is easy to software further to calculate.
Preferably, in above-mentioned a kind of test system and method for active antenna for base station or base station system OTA performances,
The servicing unit can collectively form the supplement of overall base station system with measured object, and the base station system includes base band, penetrated
Frequency and antenna.
By such scheme, servicing unit control measured object or reading measured object information, all sampled datas pass through soft
Part carries out that transmitting and receptivity evaluating data is calculated, so as to show that transmitting and the every of receptivity are assessed.
Second object of the present invention is a kind of method for providing active antenna or base station system OTA performance tests, should
Method is based on foregoing test system, and the method for testing is applied to foregoing test system can be to having source base station or base station system overall
Performance is accurately tested.
To achieve the above object, the present invention provides following technical scheme：
For active antenna for base station or the method for testing of the test system of base station system OTA performances, comprise the following steps：
(a) the linear transducer array device is utilized to quilt using the probe and polarization enabled (b) popped one's head on control device control different directions
Survey thing and carry out signal sampling or signal irradiation；(c) launched by the signal and the signal sampled is solved with demodulating equipment
Analysis is adjusted to obtain sampled data or generation modulated signal irradiation source；(d) measured object is driven using the turntable, and relative to institute
State linear transducer array device and do and rotate；(e) received by the servicing unit to control measured object transmission signal or read measured object
Signal results；(f) above-mentioned all sampled datas are carried out by software that transmitting and receptivity evaluating data is calculated, it is complete
Into test；The sampled data is the radiation channel power and radiation receiving sensitivity for taking measured object each to be put in space,
The calculating is to do calculus computing in whole or in part to the sampled data by software.
Compared with prior art, method proposed by the present invention is based on microwave dark room, to active antenna for base station or base station system
Transmitting and receptivity tested, using Multi probe to active antenna for base station or base station system radiated signal strength, quality
Sampled and carry out 360 degree of spheres or partial cross section progress calculus calculate so as to show that the every of emitting performance assesses.Make
With Multi probe rotation to active antenna for base station or base station system transmission signal, demodulation index is obtained as hits in base station end
According to carrying out calculus calculating in 360 degree of spheres or partial cross section, so as to show that the every of receptivity assesses, can both carry out complete
The computing of portion's data draws 360 degrees omnidirection radiance, and the computing that can also carry out local azimuthal draws partial radiation performance.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
The embodiment of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 accompanying drawings are structural representation of the invention.
In figure：
1 it is processing unit, 2 be linear transducer array device, 3 be probe control device, 4 is that signal transmitting is with demodulating equipment, 5
Servicing unit, 6 be microwave dark room, 7 be turntable.
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 clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Embodiment one：
Accompanying drawing 1 is referred to, for a kind of test for active antenna for base station or base station system OTA performances disclosed by the invention
System and method, the test system include following equipment：
Processing unit 1, linear transducer array device 2, control device 3 of popping one's head in, signal transmitting and demodulating equipment 4, servicing unit 5,
Microwave dark room 6, turntable 7.Wherein, linear transducer array device 2 includes multiple probes, and it is used to each put measured object in space
Radiation channel power and radiation receiving sensitivity are sampled or carry out signal irradiation to measured object；Control device 3 pop one's head in visiting
Probe on head array device 2 connects and connects processing unit 1, probe control device can control probe on different directions and
Polarization is enabled；Signal is launched to be connected with demodulating equipment 4 with probe control device 3 and processing unit 1, signal transmitting and demodulating equipment
4 obtain the signals that sample and the signal to sampling is demodulated analysis and obtains sampled data or generation from linear transducer array device
Modulated signal irradiation source；Servicing unit 5, measured object and processing unit 1 are connected, control measured object transmission signal or read measured object
Reception signal result；Microwave dark room 6；Turntable 7；Drive measured object to do relative to the linear transducer array device 2 to rotate；Processing unit
1, it is connected with the probe signal of control device 3 transmitting with demodulating equipment 4, processing unit 1 is equipped with operational software, signal transmitting and solution
Adjust device 4 that the sampled signal of demodulated analysis is sent into processing unit 1, processing unit is using its operational software to hits
According to the calculus calculation process that carries out in whole or in part draw radiation in whole or in part and the receptivity data of measured object.Its
In, linear transducer array device 2 be multiple square crossing dual polarizations probe, signal transmitting with demodulating equipment 4 can launch modulated signal and
Modulated signal is demodulated, servicing unit 5 can collectively form the supplement of overall base station system with measured object, and base station system includes base
Band, radio frequency and antenna.
Embodiment two：
A kind of method of testing for being used for active antenna for base station or base station system OTA performances, this method are based in embodiment one
The test system of record, the implementation of this method specifically comprise the following steps：
(a) it is enabled using the probe and polarization popped one's head on the control different directions of control device 3；
(b) signal sampling is carried out to measured object using linear transducer array device 2 or signal irradiates；
(c) analysis is demodulated to the signal sampled with demodulating equipment 4 by signal transmitting and obtains sampled data or life
Into modulated signal irradiation source；
(d) measured object is driven using turntable 7, and does and rotate relative to linear transducer array device 2；
(e) control measured object by servicing unit 5 or read measured object information；
(f) above-mentioned all sampled datas are carried out by software that transmitting and receptivity evaluating data is calculated, it is complete
Into test；Sampled data is the radiation channel power and radiation receiving sensitivity for taking measured object each to be put in space, is calculated
It is that calculus computing is done in whole or in part to sampled data by software.
Embodiment three：Test to measured object emitting performance
In the test of measured object emitting performance, measured object forms complete base station system with servicing unit 5, can launch
Modulated signal, measured object is placed on turntable 7, the modulated signal that measured object is sent is gathered by linear transducer array device 2, turntable 7
Measured object is driven to be rotated, it changes relative to the direction of linear transducer array device 2, and linear transducer array device 2 is to measured object
The modulated signal sent carries out one group of sampling in each direction, and linear transducer array device 2 is by the signal collected and reaches letter
Number transmitting is demodulated with demodulating equipment 4, and demodulation result includes the data such as channel power, Error Vector Magnitude, frequency departure；Place
Manage device 1 and read the data after demodulation, so, what linear transducer array device 2 was sent to measured object from signal transmitting and demodulating equipment 4
The sampled data that modulated signal samples to obtain in all directions is all collected by processing unit, and then processing unit passes through built-in
Operational software to sampled data carry out computing.
According to being actually needed, the computing that above-mentioned computing can carry out total data draws 360 degrees omnidirection radiance,
The computing that local azimuthal can be carried out draws partial radiation performance.
For omnidirectional radiation channel power, the channel power result note that spatially two, certain direction polarised direction is tested '
EiRPθ(θi, φj)；
Isotropically radiated power is denoted as TRP：
Wherein M, N are horizontal and vertical directions up-sampling points, and total number of samples is M*N.θ is sample direction and ball
Areal coordinate system Z axis forward direction angle；
For other launching targets, such as Error Vector Magnitude, frequency departure, then drawn using the method for sample mean.
Example IV：Test for omnidirectional's minimum sensitivity
In the test for omnidirectional's minimum sensitivity, the modulation of some strength is produced with demodulating equipment 4 by signal transmitting
Signal, transmit to linear transducer array device 2, probe control device 3 controls linear transducer array device 2, make probe on different directions and
Polarization is enabled, is rotated horizontally with reference to turntable 7, above-mentioned signal is irradiated quilt from relative measured object different directions with different polarization modes
Thing is surveyed, measured object is demodulated after receiving signal, and servicing unit is collected by demodulating information through row and Base-Band Processing, by result
For report to processing unit 1, processing unit 1 judges whether the bit error rate reaches limit value by the above-mentioned demodulating information of the software analysis carried,
The transmitting of the control signal of processing unit 1 is adjusted with demodulating equipment 4 to signal intensity if not up to, and is re-started and above-mentioned sentenced
Disconnected, it is available sampled data that this data is recorded after requirement is reached；Aforesaid operations are repeated, complete acceptance in omnirange
Can data sampling；Then, processing unit 1 carries out computing to sampled data, and the computing that above-mentioned computing can carry out total data obtains
Go out 360 degrees omnidirection sensitivity behaviour, the computing that can also carry out local azimuthal draws local sensitivity performance.
The algorithm of local sensitivity performance is as follows：
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.For device disclosed in embodiment
For, because it is corresponded to the method disclosed in Example, so description is fairly simple, related part is said referring to method part
It is bright.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (5)
1. for active antenna for base station or the test system and method for base station system OTA performances, it is characterized in that, including：
Linear transducer array device (2), including multiple probes, the radiation channel power and radiation each put in space to measured object connect
Sensitivity is received to be sampled or carry out signal irradiation to measured object；
Probe control device (3), is connected with the probe on linear transducer array device (2) and connects processing unit (1), controls not Tongfang
Upward probe and polarization is enabled；
Signal launches and demodulating equipment (4), is connected with probe control device (3) and processing unit (1), and processing unit is controlled from spy
Head array device obtains the signal sampled and the signal to sampling is demodulated analysis and obtains sampled data or generation modulation
Signal irradiation source；
Servicing unit (5), measured object and processing unit (1) are connected, control measured object transmission signal or read measured object and receive and believe
Number result；
Microwave dark room (6)；
Turntable (7)；Drive measured object to do relative to the linear transducer array device (2) to rotate；
Processing unit (1), be connected with probe control device (3) signal transmitting with demodulating equipment (4), entirety to sampled data or
Part carries out radiation in whole or in part and the receptivity data that calculus calculation process draws measured object.
2. the test system and method according to claim 1 for being used for active antenna for base station or base station system OTA performances, its
It is characterised by, the multiple probe is popped one's head in for multiple square crossing dual polarizations.
3. the test system and method according to claim 1 for being used for active antenna for base station or base station system OTA performances, its
It is characterised by, the signal transmitting can launch modulated signal and demodulation modulated signal with demodulating equipment (4).
4. the test system and method according to claim 1 for being used for active antenna for base station or base station system OTA performances, its
It is characterised by, the servicing unit (5) can collectively form the supplement of overall base station system, and the base station system bag with measured object
Contain base band, radio frequency and antenna.
5. the test system and method according to claim 1 for being used for active antenna for base station or base station system OTA performances, its
It is characterised by, comprises the following steps：(a) probe and polarization enabled (b) profit popped one's head on control device control different directions are utilized
Signal sampling is carried out to measured object with the linear transducer array device (5) or signal irradiates；(c) launch and demodulate by the signal
Device (2) is demodulated analysis to the signal sampled and obtains sampled data or generation modulated signal irradiation source；(d) described in utilizing
Turntable (7) drives measured object, and does and rotate relative to the linear transducer array device (2)；(e) servicing unit (5) are passed through
To control measured object transmission signal or read measured object reception signal result；(f) above-mentioned all sampled datas are passed through into software
Carry out that transmitting and receptivity evaluating data is calculated, complete test；Characterized in that, the sampled data be take it is tested
The radiation channel power and radiation receiving sensitivity that thing is each put in space, the calculating is to the sampled data by software
Do calculus computing in whole or in part.
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| CN201610815225.1A CN107819530A (en) | 2016-09-12 | 2016-09-12 | For active antenna for base station or the test system and method for base station system OTA performances |
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| CN201610815225.1A CN107819530A (en) | 2016-09-12 | 2016-09-12 | For active antenna for base station or the test system and method for base station system OTA performances |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111132207A (en) * | 2018-10-30 | 2020-05-08 | 中国移动通信有限公司研究院 | Integrated base station equipment testing device and method, storage medium and related equipment |
| WO2021062816A1 (en) * | 2019-09-30 | 2021-04-08 | 华为技术有限公司 | Device and method for testing base station apparatus |
| WO2021138755A1 (en) * | 2020-01-06 | 2021-07-15 | Qualcomm Incorporated | Multiple-input multiple-output over the air performance testing |
| CN113572545A (en) * | 2021-08-06 | 2021-10-29 | 福州物联网开放实验室有限公司 | Active performance rapid test method and device based on terminal antenna reciprocity |
| CN113708807A (en) * | 2021-09-06 | 2021-11-26 | 成都坤恒顺维科技股份有限公司 | Channel modeling method based on MIMO-OTA base station static test |
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| CN111132207A (en) * | 2018-10-30 | 2020-05-08 | 中国移动通信有限公司研究院 | Integrated base station equipment testing device and method, storage medium and related equipment |
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| WO2021062816A1 (en) * | 2019-09-30 | 2021-04-08 | 华为技术有限公司 | Device and method for testing base station apparatus |
| WO2021138755A1 (en) * | 2020-01-06 | 2021-07-15 | Qualcomm Incorporated | Multiple-input multiple-output over the air performance testing |
| CN113572545A (en) * | 2021-08-06 | 2021-10-29 | 福州物联网开放实验室有限公司 | Active performance rapid test method and device based on terminal antenna reciprocity |
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| CN113708807A (en) * | 2021-09-06 | 2021-11-26 | 成都坤恒顺维科技股份有限公司 | Channel modeling method based on MIMO-OTA base station static test |
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Address after: 518109 Second Floor of Hualian Feng Innovation Industrial Park, No. 91 Huaning Road, Dalang Street, Longhua District, Shenzhen City, Guangdong Province Applicant after: SHENZHEN XINYI TECHNOLOGY Co.,Ltd. Address before: 518000 Guangzhou Nanshan District Nanhai Avenue Xiguimiao Road North Sunshine Huayi Building 6B, 6C-27 Applicant before: SHENZHEN XINYI TECHNOLOGY Co.,Ltd. |
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Application publication date: 20180320 |