CN108134636A - OTA tests darkroom and test system - Google Patents
OTA tests darkroom and test system Download PDFInfo
- Publication number
- CN108134636A CN108134636A CN201810172506.9A CN201810172506A CN108134636A CN 108134636 A CN108134636 A CN 108134636A CN 201810172506 A CN201810172506 A CN 201810172506A CN 108134636 A CN108134636 A CN 108134636A
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- Prior art keywords
- darkroom
- terminal
- base station
- electrically connected
- antenna
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/0082—Monitoring; Testing using service channels; using auxiliary channels
- H04B17/0087—Monitoring; Testing using service channels; using auxiliary channels using auxiliary channels or channel simulators
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/391—Modelling the propagation channel
- H04B17/3912—Simulation models, e.g. distribution of spectral power density or received signal strength indicator [RSSI] for a given geographic region
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The present embodiments relate to technical field of measurement and test, darkroom and darkroom system are tested more particularly to a kind of OTA, darkroom system includes control terminal, spectrum analyzer and base station emulator, and spectrum analyzer and base station emulator are electrically connected respectively with control terminal, OTA tests darkroom includes darkroom ontology, place apparatus, detection antenna, communication antenna, selecting switch and coupled antenna.Place apparatus is set in the ontology of darkroom to place terminal to be measured, one end of coupled antenna is set to place apparatus and is electrically connected close to terminal to be measured, the other end with the first gating port of selecting switch, communication antenna one end is set in the ontology of darkroom, the other end is electrically connected with the second gating port of selecting switch, the input port of selecting switch is electrically connected with base station emulator, and detection antenna one end is set to interior darkroom ontology, the other end and spectrum analyzer and base station emulator is electrically connected.Connection is established with the OTA terminals to be measured tested in darkroom by the above-mentioned base station emulator that is situated so as to.
Description
Technical field
The present invention relates to technical field of measurement and test, and darkroom and test system are tested in particular to a kind of OTA.
Background technology
In existing antenna OTA test systems, the first step is all activation system, then puts terminal to be measured into darkroom turntable
It establishes and connects with base station emulator, it is still, typically more tired at present when terminal to be measured and base station emulator are established connection
It is difficult.
Inventor it has been investigated that, in the connection for establishing terminal and base station emulator to be measured, be largely dependent on dark
Connection Insertion Loss between room communication antenna and terminal and the configuration of instrument and equipment items if appropriate for.But in general, communicate day
The connection line loss of line and terminal to be measured is smaller, then easier connection.
Invention content
In view of this, the purpose of the present invention is to provide a kind of OTA test darkrooms and test system, in order to make end to be measured
End is established with base station emulator and is connected.
The embodiment of the present invention provides a kind of OTA tests darkroom, applied to including control terminal, spectrum analyzer and base station
The darkroom system of emulator, the spectrum analyzer and base station emulator are electrically connected respectively with the control terminal, and the OTA is surveyed
It tries darkroom and includes darkroom ontology, place apparatus, detection antenna, communication antenna, selecting switch and coupled antenna；
The place apparatus is set in the darkroom ontology to place terminal to be measured, one end of the coupled antenna
It is set to the place apparatus and gates port close to the terminal to be measured, the other end with the first of the selecting switch and be electrically connected
It connects, described communication antenna one end is set in the darkroom ontology, the other end and the second gating port of the selecting switch are electric
Connection, and the coupled antenna to the terminal to be measured distance less than the communication antenna between the terminal to be measured away from
From the input port of the selecting switch is electrically connected with the base station emulator, and described detection antenna one end is set to darkroom sheet
In vivo, the other end is electrically connected with the spectrum analyzer and base station emulator.
Optionally, it is tested in darkroom in above-mentioned OTA, the place apparatus includes turntable, shaft and driving equipment, described
Driving equipment is connect with the shaft, and the shaft is connect and vertical with the disk of the turntable with the turntable, for
The turntable is driven to rotate under the action of driving equipment, the shaft is set on the madial wall of the darkroom ontology, described to treat
It surveys terminal and is set to the turntable, the one end of the coupled antenna far from the selecting switch is set to the turntable and close to institute
It states terminal to be measured or is contacted with the terminal to be measured.
Optionally, it is tested in darkroom in above-mentioned OTA, the OTA tests darkroom further includes shielding box, the shielding box setting
In the turntable, the one end of the coupled antenna far from the selecting switch is set in the shielding box.
Optionally, it is tested in darkroom in above-mentioned OTA, the OTA tests darkroom further includes interface conversion equipment, the driving
Equipment is electrically connected by the interface conversion equipment with the control terminal, so that the control terminal can pass through the interface
Conversion equipment sends a control signal to the driving equipment to control the driving equipment that the shaft is driven to rotate.
Optionally, it is tested in darkroom in above-mentioned OTA, the selecting switch has control terminal, the control of the selecting switch
End is electrically connected with the control terminal, so that the control terminal can control the selecting switch to gate the base station emulator
The connection between connection or the gating base station emulator and the coupled antenna between the communication antenna.
Optionally, it is tested in darkroom in above-mentioned OTA, the selecting switch is single-pole double-throw switch (SPDT).
Optionally, it is tested in darkroom in above-mentioned OTA, the communication antenna is circular polarisation satellite small size antenna.
The present invention also provides a kind of darkroom systems, are surveyed including control terminal, spectrum analyzer, base station emulator and OTA
Darkroom is tried, the spectrum analyzer and base station emulator are electrically connected respectively with the control terminal, and the OTA tests darkroom includes
Darkroom ontology, place apparatus, detection antenna, communication antenna, selecting switch and coupled antenna；
The place apparatus is set in the darkroom ontology to place terminal to be measured, one end of the coupled antenna
It is set to the place apparatus and gates port close to the terminal to be measured, the other end with the first of the selecting switch and be electrically connected
It connects, described communication antenna one end is set in the darkroom ontology, the other end and the second gating port of the selecting switch are electric
Connection, the input port of the selecting switch are electrically connected with the base station emulator, and described detection antenna one end is set to darkroom
Ontology is interior, the other end is electrically connected with the spectrum analyzer and base station emulator.
Optionally, in above-mentioned darkroom system, the darkroom system further includes switch arrays, the control of the switch arrays
End is electrically connected with the control terminal, and the base station emulator passes through the switch arrays and the input terminal of selecting switch electricity
Connection, the detection antenna lead to switch arrays described in crossbow and are electrically connected with the spectrum analyzer and base station emulator.
Optionally, in above-mentioned darkroom system, the darkroom system further includes alarm, the alarm and control terminal
Electrical connection, the control terminal control the alarm to send out when the terminal to be measured does not set up and connect with the base station emulator
Go out alarm signal.
A kind of OTA test darkrooms provided by the invention and test system, darkroom system include control terminal, spectrum analyzer
And base station emulator, and spectrum analyzer and base station emulator are electrically connected respectively with control terminal, OTA tests darkroom includes dark
Room ontology, place apparatus, detection antenna, communication antenna, selecting switch and coupled antenna.Place apparatus is set to darkroom ontology
It is interior for placing terminal to be measured, one end of coupled antenna is set to place apparatus and close to terminal to be measured, the other end and selection
First gating port electrical connection of switch, communication antenna one end is set to the second of interior darkroom ontology, the other end and selecting switch
Port electrical connection is gated, the input port of selecting switch is electrically connected with base station emulator, and detection antenna one end is set to darkroom sheet
In vivo, the other end is electrically connected with spectrum analyzer.By the above-mentioned base station emulator that is situated so as to being treated in OTA tests darkroom
It surveys terminal and establishes connection.
For the above objects, features and advantages of the present invention is enable to be clearer and more comprehensible, preferred embodiment cited below particularly, and coordinate
Appended attached drawing, is described in detail below.
Description of the drawings
It in order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range, for those of ordinary skill in the art, without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is a kind of darkroom systematic difference schematic diagram provided in an embodiment of the present invention.
Fig. 2 is a kind of connection block diagram of darkroom system provided in an embodiment of the present invention.
Fig. 3 is a kind of another application schematic diagram of darkroom system provided in an embodiment of the present invention.
Fig. 4 is a kind of another connection block diagram of darkroom system provided in an embodiment of the present invention.
Icon：10- darkrooms system；20- terminals to be measured；100-OTA tests darkroom；110- darkrooms ontology；120- placements are set
It is standby；122- turntables；124- shafts；126- driving equipments；130- detects antenna；140- communication antennas；150- selecting switch；160-
Coupled antenna；170- interface conversion equipments；180- shielding boxs；200- control terminals；300- base station emulators；400- spectrum analyses
Instrument；500- switch arrays；600- alarms.
Specific embodiment
Below in conjunction with attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Ground describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.Usually exist
The component of the embodiment of the present invention described and illustrated in attached drawing can be configured to arrange and design with a variety of different herein.
Therefore, below the detailed description of the embodiment of the present invention to providing in the accompanying drawings be not intended to limit it is claimed
The scope of the present invention, but be merely representative of the present invention selected embodiment.Based on the embodiment of the present invention, people in the art
Member's all other embodiments obtained under the premise of creative work is not made, shall fall within the protection scope of the present invention.
Inventor it has been investigated that, in existing antenna OTA test systems, to terminal to be measured carry out OTA test process
In, the position of terminal to be measured and communication antenna is relatively fixed and usually has a setpoint distance, and the setpoint distance is usually larger,
It is thus more difficult when terminal to be measured is established connection with base station, still, the connecting line path loss of communication antenna and terminal to be measured
It consumes smaller, then easier connection, therefore a kind of relative position relation that can change communication antenna and terminal to be measured is provided
OTA tests darkroom, and establishing connection with base station emulator in order to terminal to be measured is a technical problem to be solved urgently.
It please refers to Fig.1 to Fig.4, a kind of darkroom system 10 provided by the invention, it is dark that the darkroom system 10 includes OTA tests
Room 100, control terminal 200, base station emulator 300, spectrum analyzer 400, switch arrays 500 and alarm 600, it is described
OTA tests darkroom 100, base station emulator 300, spectrum analyzer 400, switch arrays 500 and alarm 600 respectively with it is described
Control terminal 200 is electrically connected.
The present invention also provides a kind of OTA that can be applied to above-mentioned darkroom system 10 to test darkroom 100, and the OTA tests are dark
Room 100 includes darkroom ontology 110, place apparatus 120, detection antenna 130, communication antenna 140, selecting switch 150 and coupling
Antenna 160, the place apparatus 120 are set in the darkroom ontology 110 to place terminal 20 to be measured, the coupling day
One end of line 160 is set to the place apparatus 120 and close to the terminal 20 to be measured, the other end and the selecting switch 150
The first gating port electrical connection, described 140 one end of communication antenna is set in the darkroom ontology 110, the other end with it is described
Second gating port electrical connection of selecting switch 150, and the distance of the coupled antenna 160 to the terminal 20 to be measured is less than institute
It states communication antenna 140 and arrives the distance between described terminal 20 to be measured, input port and the base station of the selecting switch 150 are imitated
True device 300 is electrically connected, and 130 one end of the detection antenna is set to interior darkroom ontology 110, the other end and the spectrum analyzer
400 and base station emulator 300 be electrically connected.
By above-mentioned setting with when the terminal 20 to be measured and the base station emulator 300 are established and communicated to connect, due to
The distance of the coupled antenna 160 to the terminal 20 to be measured is less than the communication antenna 140 between the terminal 20 to be measured
Distance, thus gated between the base station emulator 300 and the coupled antenna 160 by the selecting switch 150 first
Connection so that the terminal to be measured 20 is passing through the coupled antenna 160 and the base station emulator 300 quickly company of foundation
It connects, and after a connection is established by the way that selecting switch 150 is gated the base station emulator 300 and the communication antenna 140, with
Realization makes the terminal to be measured 20 quickly establish connection by the communication antenna 140 and the base station emulator 300, and then
It effectively prevents when terminal 20 to be measured and base station emulator 300 are established by communication antenna 140 and connected, due to communication antenna
140 with base station emulator 300 it is distant caused by be difficult to set up connecting the problem of.
Wherein, the shape of the darkroom ontology 110 can be the regular shapes such as hollow cylindrical or hollow cube shape, also may be used
To be arbitrary irregular shape, do not make herein specifically, the size of the darkroom ontology 110 is not specifically limited herein, according to reality
Border demand is configured.
The place apparatus 120 can be mounting table or turntable, and the place apparatus 120 is set to described dark
Mode in room ontology 110 can be disposed on bottom, side or any position of the darkroom ontology 110, as long as can be by institute
It states terminal 20 to be measured and is positioned over the place apparatus 120 and in the darkroom ontology 110, do not limit specifically herein
It is fixed, it is configured according to actual demand.
Optionally, in the present embodiment, the place apparatus 120 includes turntable 122, shaft 124 and driving equipment
126, the driving equipment 126 is connect with the shaft 124, the shaft 124 connect with the turntable 122 and with the turntable
122 disk is vertical, and for the turntable 122 is driven to rotate under the action of driving equipment 126, the shaft 124 is set
In on the madial wall of the darkroom ontology 110, the terminal 20 to be measured is set to the turntable 122, and the coupled antenna 160 is remote
One end from the selecting switch 150 be set to the turntable 122 and close to the terminal 20 to be measured or with the terminal to be measured
20 contacts.
By above-mentioned setting, when being measured to terminal 20 to be measured, terminal 20 to be measured first is positioned over turntable 122
On, and according to measurement demand, the driving equipment 126 is made the shaft 124 to be driven to rotate to drive shaft rotation in the turntable 122
It is dynamic, so that the terminal to be measured 20 can follow the turntable 122 to turn to best test position.
Wherein, the mode for alloing 126 drive shaft 124 of the driving equipment rotation is that staff controls the driving
126 drive shaft 124 of equipment rotates or the control terminal 200 controls 126 drive shaft 124 of driving equipment
Rotation, is configured according to actual demand.
Optionally, in the present embodiment, the OTA tests darkroom 100 further includes interface conversion equipment 170, the driving
Equipment 126 is electrically connected by the interface conversion equipment 170 with the control terminal 200, so that the control terminal 200 can
The driving equipment 126 is sent a control signal to by the interface conversion equipment 170 so that the driving equipment 126 to be controlled to drive
The shaft 124 rotates.
Wherein, the interface conversion equipment 170 is protocol interface converter, for being assisted in communication network using different high levels
The host of view is worked in coordination, as the control terminal 200 in the present embodiment by the interface conversion equipment 170 and it is described driving set
Standby 126 electrical connection, the driving equipment 126 to be controlled to work.
Further to realize that quick establish connects, in the present embodiment, the OTA tests darkroom 100 further includes shielding box
180, the shielding box 180 is set to the turntable 122, and the one end of the coupled antenna 160 far from the selecting switch 150 is set
It is placed in the shielding box 180.
By setting the shielding box 180, it is possible to prevente effectively from because treating described in being in turn resulted in there are external electromagnetic wave interference
It is more difficult when being connected between survey terminal 20 and the base station by the coupled antenna 160, it in turn results in connection procedure and consumes
The problem of taking the excessive time.
The type of the communication antenna 140, detection antenna 130 and coupled antenna 160 can identical can also be
Different, it is chosen, is not specifically limited herein according to actual demand.
To make test result more accurate, optionally, in the present embodiment, the communication antenna 140 is circular polarisation satellite
Small size antenna, the circular polarisation satellite small size antenna are smaller than the size of the circular polarisation satellite antenna of same type.By using described
Circular polarisation satellite small size antenna transmits signal, can more really emulate satellite communication system.It should be noted that the base
Stand emulator 300 can analogue communication satellite function, can letter be carried out by the communication antenna 140 and the terminal to be measured 20
Enable interaction.
The selecting switch 150 can be single-pole double-throw switch (SPDT) or automatically controlled selecting switch, not limit specifically herein
It is fixed.
Optionally, when the selecting switch 150 is single-pole double-throw switch (SPDT), before connection is not set up, by manually controlling
The connection between the single-pole double-throw switch (SPDT) gating base station emulator 300 and the coupled antenna 160 is made, so that described treat
It surveys terminal 20 and connection is quickly being established, and establishing connection by the coupled antenna 160 and the base station emulator 300
Afterwards, the selecting switch 150 is controlled to gate the connection between the base station emulator 300 and the communication antenna 140 manually, with
Realization makes the terminal to be measured 20 quickly establish connection by the communication antenna 140 and the base station emulator 300.
Optionally, when the selecting switch 150 is automatically controlled selecting switch, the selecting switch 150 has control terminal, institute
The control terminal for stating selecting switch 150 is electrically connected with the control terminal 200 so that the control terminal 200 can control it is described
Selecting switch 150 gates the connection between the base station emulator 300 and the communication antenna 140 or gates the base station and imitates
Connection between true device 300 and the coupled antenna 160, specifically, before connection is not set up, the control terminal 200 is controlled
It makes the selecting switch 150 and gates connection between the base station emulator 300 and the coupled antenna 160, so that described treat
It surveys terminal 20 and connection is quickly being established, and after a connection is established by the coupled antenna 160 and the base station emulator 300
By the way that the selecting switch 150 is controlled to gate the connection between the base station emulator 300 and the communication antenna 140, with reality
The terminal to be measured 20 is now made quickly to establish connection by the communication antenna 140 and the base station emulator 300.
The control terminal 200 can be but not limited to mobile phone, computer or tablet computer etc. with digital processing capabilities and
The terminal of message transmission capability, is not specifically limited herein.
The control terminal of the switch arrays 500 is electrically connected with the control terminal 200, and the base station emulator 300 passes through
The switch arrays 500 are electrically connected with the input terminal of the selecting switch 150, and the detection antenna 130 passes through the switch arrays
Row 500 are electrically connected with the spectrum analyzer 400 and base station emulator 300.
By setting the switch arrays 500, so that control of the control terminal 200 by the switch arrays 500
End connects or disconnects the connection between the base station emulator 300 and the selecting switch 150 and connects or disconnect the inspection
Connection between observation line 130 and the spectrum analyzer 400, and then the darkroom system 10 is used to described in staff
Convenient for manipulation when terminal 20 to be measured is detected.
The alarm 600 is electrically connected with control terminal 200, and the control terminal 200 is in the terminal 20 to be measured and institute
It states and the alarm 600 is controlled to send out alarm signal when base station emulator 300 does not set up connection.By setting the alarm
600, with when the terminal 20 to be measured does not set up with the base station emulator 300 and connect, can play effectively prompt it is affected
With in order to which staff is manipulated by the control terminal 200 quickly to establish the terminal to be measured 20 and the base
The connection stood between emulator 300.
Wherein, the alarm 600 can be but not limited to voice guard, light crossing-signal, audible-visual annunciator or short message
Alarm as long as effective suggesting effect can be played, is not specifically limited herein.
To sum up, a kind of OTA test darkrooms 100 provided by the invention and darkroom system 10, the OTA tests darkroom 100 should
For including the darkroom system 10 of control terminal 200, spectrum analyzer 400 and base station emulator 300, the OTA is surveyed
Examination darkroom 100 is by setting darkroom ontology 110, place apparatus 120, detection antenna 130, communication antenna 140, selecting switch 150
And coupled antenna 160, and the distance of the coupled antenna 160 to the terminal 20 to be measured is arrived less than the communication antenna 140
The distance between described terminal to be measured 20, with when the terminal 20 to be measured and the base station emulator 300 are established and are communicated to connect,
Connection between the base station emulator 300 and the coupled antenna 160 is gated by the selecting switch 150 first, so that
The terminal to be measured 20 is quickly establishing connection, and in the company of foundation by the coupled antenna 160 and the base station emulator 300
By the way that selecting switch 150 is gated the base station emulator 300 and the communication antenna 140 after connecing, make described treat to realize
It surveys terminal 20 and connection is quickly being established, and then effectively prevent by the communication antenna 140 and the base station emulator 300
When terminal 20 to be measured establishes connection with base station emulator 300 by communication antenna 140, since communication antenna 140 and base station emulate
Device 300 distant and then the problem of be difficult to set up connection.
In embodiment provided herein, it should be understood that disclosed device and system, it can also be by other
Mode realize.The apparatus embodiments described above are merely exemplary.
It should be noted that herein, term " comprising ", "comprising" or its any other variant are intended to non-row
His property includes, so that article or equipment including a series of elements not only include those elements, but also including not having
There is the other element being expressly recited or further include as this article or the intrinsic element of equipment.Do not limiting more
In the case of system, the element that is limited by sentence "including a ...", it is not excluded that in the article including the element or set
Also there are other identical elements in standby.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, that is made any repaiies
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.It should be noted that：Similar label and letter exists
Similar terms are represented in following attached drawing, therefore, once being defined in a certain Xiang Yi attached drawing, are then not required in subsequent attached drawing
It is further defined and is explained.
The above description is merely a specific embodiment, but protection scope of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can readily occur in change or replacement, should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
1. a kind of OTA tests darkroom, applied to the darkroom system including control terminal, spectrum analyzer and base station emulator,
It is characterized in that, the spectrum analyzer and base station emulator are electrically connected respectively with the control terminal, the OTA tests darkroom
Including darkroom ontology, place apparatus, detection antenna, communication antenna, selecting switch and coupled antenna；
The place apparatus is set in the darkroom ontology to place terminal to be measured, one end setting of the coupled antenna
It gates port in the place apparatus and close to the terminal to be measured, the other end with the first of the selecting switch and is electrically connected, institute
State that communication antenna one end is set in the darkroom ontology, the other end gates port with the second of the selecting switch and is electrically connected,
And the distance of the coupled antenna to the terminal to be measured is less than described communication antenna the distance between to the terminal to be measured, institute
The input port for stating selecting switch is electrically connected with the base station emulator, described detection antenna one end is set in the ontology of darkroom,
The other end is electrically connected with the spectrum analyzer and base station emulator.
2. OTA according to claim 1 tests darkroom, which is characterized in that the place apparatus include turntable, shaft and
Driving equipment, the driving equipment are connect with the shaft, the shaft connect with the turntable and with the disk of the turntable
Vertically, for the turntable is driven to rotate under the action of driving equipment, the shaft is set to the interior of the darkroom ontology
On side wall, the terminal to be measured is set to the turntable, and the one end of the coupled antenna far from the selecting switch is set to institute
State turntable and close to the terminal to be measured or being contacted with the terminal to be measured.
3. OTA according to claim 2 tests darkroom, which is characterized in that the OTA tests darkroom further includes shielding box,
The shielding box is set to the turntable, and the one end of the coupled antenna far from the selecting switch is set to the shielding box
It is interior.
4. OTA according to claim 2 tests darkroom, which is characterized in that the OTA tests darkroom further includes interface conversion
Equipment, the driving equipment are electrically connected by the interface conversion equipment with the control terminal, so that the control terminal energy
The driving equipment is enough sent a control signal to by the interface conversion equipment to control the driving equipment driving is described to turn
Shaft rotation is moved.
5. OTA according to claim 1 tests darkroom, which is characterized in that the selecting switch has control terminal, the choosing
The control terminal for selecting switch is electrically connected with the control terminal, so that the control terminal can control the selecting switch gating institute
It states the connection between base station emulator and the communication antenna or gates between the base station emulator and the coupled antenna
Connection.
6. OTA according to claim 1 tests darkroom, which is characterized in that the selecting switch is single-pole double-throw switch (SPDT).
7. OTA according to claim 1 tests darkroom, which is characterized in that the communication antenna is small-sized for circular polarisation satellite
Antenna.
8. a kind of darkroom system, which is characterized in that dark including control terminal, spectrum analyzer, base station emulator and OTA test
Room, the spectrum analyzer and base station emulator are electrically connected respectively with the control terminal, and the OTA tests darkroom includes darkroom
Ontology, place apparatus, detection antenna, communication antenna, selecting switch and coupled antenna；
The place apparatus is set in the darkroom ontology to place terminal to be measured, one end setting of the coupled antenna
It gates port in the place apparatus and close to the terminal to be measured, the other end with the first of the selecting switch and is electrically connected, institute
State that communication antenna one end is set in the darkroom ontology, the other end gates port with the second of the selecting switch and is electrically connected,
The input port of the selecting switch is electrically connected with the base station emulator, and described detection antenna one end is set to darkroom ontology
The interior, other end is electrically connected with the spectrum analyzer and base station emulator.
9. darkroom system according to claim 8, which is characterized in that the darkroom system further includes switch arrays, described
The control terminal of switch arrays is electrically connected with the control terminal, and the base station emulator passes through the switch arrays and the selection
The input terminal electrical connection of switch, the detection antenna pass through the switch arrays and the spectrum analyzer and base station emulator point
It is not electrically connected.
10. darkroom system according to claim 8, which is characterized in that the darkroom system further includes alarm, the report
Alert device is electrically connected with control terminal, and the control terminal does not set up with the base station emulator in the terminal to be measured and connect time control
It makes the alarm and sends out alarm signal.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810172506.9A CN108134636B (en) | 2018-03-01 | 2018-03-01 | OTA test darkroom and test system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810172506.9A CN108134636B (en) | 2018-03-01 | 2018-03-01 | OTA test darkroom and test system |
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| CN108134636A true CN108134636A (en) | 2018-06-08 |
| CN108134636B CN108134636B (en) | 2023-05-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111010244A (en) * | 2019-12-17 | 2020-04-14 | 北京必创科技股份有限公司 | Wireless sensor testing system and method |
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