CN106230522A - The extended method of a kind of communication instrument test frequency range and equipment - Google Patents
The extended method of a kind of communication instrument test frequency range and equipment Download PDFInfo
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- CN106230522A CN106230522A CN201610571437.XA CN201610571437A CN106230522A CN 106230522 A CN106230522 A CN 106230522A CN 201610571437 A CN201610571437 A CN 201610571437A CN 106230522 A CN106230522 A CN 106230522A
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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
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- 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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Abstract
The invention discloses extended method and the equipment of a kind of communication instrument test frequency range.Test cell receives the test instruction including measured signal frequency information；And judge that the frequency of described measured signal, whether in its test frequency range, if the frequency of described measured signal is not in its test frequency range, is then transformed in its test frequency range by the frequency of described measured signal by described band spreading unit；Described measured signal after reprocessing frequency conversion afterwards.Thus on the basis of being changed without test cell radio-frequency (RF) receiving and transmission module, it is achieved that measurement to multiple frequency range radiofrequency signal, it is to avoid change the complicated work of radio-frequency module, saved cost of labor and device resource simultaneously.
Description
Technical field
The present invention relates to communication technical field, particularly to extended method and the equipment of a kind of signal Meter Test frequency range.
Background technology
The performance of mobile terminal device directly depends on the radio-frequency performance of its RF transceiver.Therefore mobile terminal device
The Testing And Regulating of radio-frequency performance becomes most important link in terminal production test.In radio-frequency performance test, Testing And Regulating
Method generally by host computer (typically PC) control terminal on a series of Frequency points to be measured, launch and receive signal, survey
The RF transceiver of examination instrument needs receive on corresponding Frequency point and launch corresponding signal to be tested, and to signal power
Test with quality and calibrate.It is therefore desirable to the test frequency range of the test instrumentation used can cover tested mobile device
Frequency all to be measured.
Current mobile device all supports plurality of communication schemes, in the production of each mobile device, is required for institute
Some communication patterns are tested.If the test to each communication pattern is all equipped with special test instrumentation, it will significantly
Increasing the equipment cost of production line, the equipment complexity of production line also can be significantly greatly increased simultaneously, increase takes up room, energy consumption and people
Power cost.Therefore, production line needs the integration test instrument that integrated level is high, to meet production test demand.Further, often
Communications band required by individual communication pattern all differs.Therefore, test instrumentation need to possess and supports that the radio frequency of frequency range on a large scale is received
Send out module and meet this demand.
Inventor finds during realizing the present invention, and prior art at least there is problems in that
Along with needing being on the increase of the communication pattern tested, and the utilization of the communication technology of higher frequency section of future generation,
Test equipment on old production line is still faced with the biggest pressure for upgrading.Cause the raising of cost and the waste of used equipment.
Owing to the radio-frequency module of existing most instrument is module slot framework, after radio-frequency module can not meet demand, existing at present
Some technology meet demand generally by replacing and upgrading radio-frequency module.But so need nonetheless remain for dismantling instrument chassis also
Change radio-frequency module, be also required to software upgrading simultaneously.Each of which increases the difficulty of upgrading.Simultaneously as radio-frequency module
Costs rather expensive, so upgrade cost is the highest.
Summary of the invention
The invention provides the extended method of a kind of communication instrument test frequency range, test can be changed without by the method
On the basis of equipment radio frequency transceiver module, it is achieved the test to multiple frequency range radiofrequency signal, thus avoid replacing radio-frequency module
Complicated work, saved cost of labor and device resource simultaneously.The method is applied to include test cell and band spreading list
In the test instrumentation of unit, the method specifically includes:
Described test cell receives the test instruction including measured signal frequency information；
Described test cell judges that the frequency of described measured signal is whether in the test frequency range of described test cell；
If the frequency of described measured signal is not in the test frequency range of described test cell, the most described test cell passes through institute
State band spreading unit the frequency of described measured signal to be transformed in the test frequency range of described test cell, and after processing frequency conversion
Described measured signal.
Preferably, also include:
If the frequency of described measured signal is in the test frequency range of described test cell, the most described test cell is by described
Described measured signal is sent to described test cell by band spreading unit, and processes described measured signal.
Preferably, the frequency of described measured signal is transformed into described by described band spreading unit by described test cell
In the test frequency range of test cell, particularly as follows:
Described test cell sends frequency conversion instruction to described band spreading unit；
Described test cell sends reference signal to described band spreading unit；
Described test cell by described band spreading unit with described reference signal for frequency conversion benchmark by described letter to be measured
Number frequency range be transformed in the test frequency range of described test instrumentation；
Described measured signal after frequency conversion is sent to described test by described band spreading unit by described test cell
Unit.
Preferably, the described measured signal after described process frequency conversion, particularly as follows:
Described test cell tests the performance of the described measured signal after described frequency conversion, and outputs test result.
A kind of expansion equipment of communication instrument test frequency range, including: test cell and band spreading unit；
Wherein, described test cell includes:
Receiver module, receives the test instruction including measured signal frequency information；
Control module, it is judged that whether the frequency of described measured signal is in the test frequency range of described test cell；
Processing module, if the frequency of described measured signal is not in the test frequency range of described test cell, then passes through frequency range
The frequency of described measured signal is transformed in the test frequency range of described test cell by expanding element, and process after frequency conversion described
Measured signal.
Preferably, described processing module is additionally operable to:
If the frequency of described measured signal is in the test frequency range of described test cell, then by described band spreading unit
Described measured signal is sent to described test cell, and processes described measured signal.
Preferably, described control module specifically for:
Frequency conversion instruction is sent to described band spreading unit；
Reference signal is sent to described band spreading unit；
For frequency conversion benchmark, the frequency range of described measured signal is changed with described reference signal by described band spreading unit
In the test frequency range of described test instrumentation；
By described band spreading unit, the described measured signal after frequency conversion is sent to described test cell.
Preferably, described processing module specifically for:
Test the performance of the described measured signal after described frequency conversion, and output test result.
A kind of expansion equipment of communication instrument test frequency range, including: test cell (1) and band spreading unit (2)；Wherein
Test cell (1) including:
Comprehensive output port (5), described comprehensive output port and the comprehensive input port (8) on described band spreading unit
It is connected；Described comprehensive output port (5) is for sending frequency conversion instruction and reference signal to described band spreading unit；Described comprehensively
Output port (5) is additionally operable to power to described band spreading unit.
Preferably, described test cell (1) also includes:
Receiving port (6), described receiving port (6) is connected with the transmission port (9) on host computer；Described receiving port
(6) test sent for receiving host computer instructs and outputs test result to host computer；
Signal input port (7), described signal input port and the signal output port on described band spreading unit
(10) it is connected；The number of the signal output port (10) in the quantity of described signal input port (7) and described band spreading unit
Measure identical；Described signal input port (7) is for receiving the measured signal that described band spreading unit sends.
By the technical scheme of the application, test cell receives the test instruction including measured signal frequency information；And
Judge the frequency of described measured signal whether in its test frequency range, if the frequency of described measured signal does not tests frequency range at it
In, then by described band spreading unit, the frequency of described measured signal is transformed in its test frequency range；Reprocess change afterwards
Described measured signal after Pin.Thus on the basis of being changed without test cell radio-frequency (RF) receiving and transmission module, it is achieved that to multiple frequency range
The measurement of radiofrequency signal, it is to avoid change the complicated work of radio-frequency module, saved cost of labor and device resource simultaneously.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of the extended method of a kind of communication instrument test frequency range that the application proposes；
Fig. 2 is test cell in the application specific embodiment, band spreading unit, host computer (PC), mobile terminal device
The scene schematic diagram interacted；
Fig. 3 be a kind of communication instrument test frequency range that the application proposes expansion equipment in the structural representation of test cell
Figure；
Detailed description of the invention
In order to the technological thought of the present invention is expanded on further, in conjunction with concrete application scenarios, the technical side to the present invention
Case illustrates.
As stated in the Background Art, in order to realize completing communication channel multiple to mobile terminal device by same test instrumentation
The test of (2G, 3G, 4G, WiFi etc.) signal quality, needs test instrumentation to have multiple test frequency ranges from low to high.Mesh
Front common method for designing is by coming to test instrumentation outfit high accuracy, the radio-frequency (RF) receiving and transmission module of high bandwidth, on a large scale frequency range
Meet measurement demand.Along with needing increasing of the communication pattern measured, and the utilization of the communication technology of higher frequency section of future generation,
Old test instrumentation still faces the problem that cannot meet test frequency range demand.To this, need again to change there is bigger frequency
The radio-frequency (RF) receiving and transmission module of section meets measurement demand.But, the replacing of radio-frequency (RF) receiving and transmission module can bring to be needed test instrumentation weight
Newly dismounting and the problem installed and need to update configuration software upgrading, this one side wastes time and energy, on the other hand radio-frequency receiving-transmitting
The replacing of module too increases testing cost.
Therefore, for existing test instrumentation present in mobile terminal device communication channel signal quality testing process
The problems referred to above, present applicant proposes the extended method of a kind of communication instrument test frequency range, by the frequency of measured signal being changed
In the test frequency range of test instrumentation, it is achieved that same test instrumentation communication channel multiple to mobile terminal device can be passed through
The measurement of signal quality, improves the suitability of test instrumentation, reduces testing cost simultaneously.
In conjunction with concrete application scenarios, technical scheme is illustrated.
Embodiment one
As it is shown in figure 1, the extended method that a kind of communication instrument that the application proposes tests frequency range comprises the steps that
S101, test cell receives the test instruction including measured signal frequency information.
Above-mentioned test instruction can be passed through host computer (generally PC end) and send, and can also test list artificial simultaneously
Input in unit.Test instruction effect be provide the frequency information of measured signal, the performance etc. of required test, its form and send out
Mode is sent to have no effect on the protection domain of the application.
S102, test cell judges that the frequency of measured signal is whether in the test frequency range of test cell.
In this application, it is the frequency range by changing measured signal, realizes the test frequency range of extension test instrumentation.Cause
This, when using the technical scheme of the application, test cell not necessarily can performance the most to measured signal be tested,
So when test cell receives test instruction, it is necessary first to judge whether the frequency of measured signal tests band limits at it
In, more further processed.
S103, if the frequency of measured signal is not in the test frequency range of test cell, then test cell passes through band spreading
The frequency of measured signal is transformed in the test frequency range of test cell by unit, and processes the measured signal after frequency conversion.
In order to evaluate the performance of mobile terminal unit radio-frequency transmissions and reception, test cell needs frequency to measured signal
The performances such as accuracy, power and signal quality are tested.Test cell is when measuring process, it usually needs first drop
Carrier processing, is converted into low frequency signal by the carrier signal of high frequency, carries out signal performance measurement the most again.Therefore, by high frequency
The radiofrequency signal of section sent before test cell, can select high-precision extension frequency converting unit, first carry out it
The pretreatment of load shedding wave frequency, the frequency range enabling measured signal is adaptive with the radio-frequency module of test cell.Then retransmit to
Test cell measures.So process and can't affect the performance such as the frequency accuracy of measured signal, power and signal quality.
Therefore when the test frequency range of test cell can not meet testing requirement to measured signal, it is possible to use the side of frequency reducing pretreatment
Formula enables test cell to test it.
Concrete, in the preferred steps embodiment of the application, in this step, described test cell is expanded by described frequency range
The frequency of described measured signal is transformed in the test frequency range of described test cell by exhibition unit, specifically can pass through below scheme
Realize:
Step a), test cell sends frequency conversion instruction to band spreading unit；
Step b), test cell sends reference signal to band spreading unit；
Step c), the frequency range of measured signal is turned with reference signal for frequency conversion benchmark by test cell by band spreading unit
Change in the test frequency range of test instrumentation；
For example, it is possible to by the most general frequency translation module by 20GHz/40GHz/50GHz/60GHz etc.
Multiple high band radiofrequency signal is converted to the low-frequency range radiofrequency signal of 6GHz.
Step d), the measured signal after frequency conversion is sent to test cell by band spreading unit by test cell.
Reference signal mentioned above is provided by test cell, naturally it is also possible to expanded to frequency range by other unit
Exhibition unit provides.The effect of reference signal be the benchmark of frequency conversion to be provided to band spreading unit and realizes frequency conversion before and after letter to be measured
Number Phase synchronization.
In embodiments herein, the frequency of reference signal is 10MHz.
After frequency-conversion processing to measured signal, the process of the measured signal after frequency conversion is by test cell: test it
Performance, and output test result.
Further, in embodiments herein, if the frequency of measured signal is in the test frequency range of test cell,
Then described measured signal is transmitted directly to described test cell by described band spreading unit by test cell.
Concrete, can be realized by following steps:
Step a) test cell sends not frequency conversion instruction to band spreading unit；
Measured signal, when receiving not frequency conversion instruction, is directly sent to test cell by step b) band spreading unit；This
Time, band spreading unit uses as measured signal transmission channel.
Further, when test cell receives said frequencies measured signal in its frequency range, the process to it is: test
Its performance, and output test result.
After testing the performance of measured signal, test cell can be outputed test result by its display floater, certainly
Test result can also be exported in host computer (generally PC end) by test cell.
By above flow process, it is achieved that do in the measured signal being in different frequency range is transformed into same frequency range at unified
Reason, therefore extends the measurement frequency range of test instrumentation, adds the suitability of test instrumentation.
In the embodiment of the present application, above-mentioned test cell and band spreading unit may be mounted in the middle of different cabinets,
Band spreading unit can be connected to avoid the need for again tearing test cell open with test cell as an external unit
Unload and install.Meanwhile, above-mentioned test cell and band spreading unit can also split and be used alone, to increase what equipment used
Motility and convenience.
In the embodiment of the present application, test cell configures independent power supply, and by this independent current source to described frequency
Section expanding element is powered.By above-mentioned preferred version, it is achieved that directly powered to band spreading unit by test cell.Cause
This, it is not necessary to extra provides power supply to band spreading unit, saves the device space and system architecture cost.
In the embodiment of the present application, the voltage of above-mentioned independent current source is 24V, and maximum exportable electric current is 5A.
By above-mentioned, in actual application scenarios, test cell needs to send control to band spreading unit and refers to
Make, send reference signal and power supply is provided.Therefore to simplify the connection side of test cell (1) and band spreading unit (2)
Formula, in the embodiment of the present application, test cell (1) is provided with comprehensive output port (5).Comprehensive output port (5) expands with frequency range
Comprehensive input port (8) on exhibition unit is connected.Comprehensive output port (5) refers to for sending frequency conversion to described band spreading unit
Order and reference signal.And above-mentioned comprehensive output port (5) is additionally operable to power to described band spreading unit.Therefore, by upper
State connected mode and simplify the connected mode between measuring unit and band spreading unit.
In the embodiment of the present application, test cell (1) is provided with receiving port (6).On receiving port (6) and host computer
Send port (9) to be connected.The test that receiving port (6) sends for receiving host computer instructs and to host computer output test knot
Really.
Test cell (1) is provided with signal input port (7).Signal input port and the letter on described band spreading unit
Number output port (10) is connected.The quantity of signal input port (7) and the signal output port on described band spreading unit
(10) quantity is identical.And signal input port (7) is for receiving the measured signal that described band spreading unit sends.
In the embodiment of the present application, a corresponding Transmit Receive Unit of signal input port (7), and above-mentioned radio frequency
The quantity of Transmit-Receive Unit can be according to measurement demand flexible configuration.
By above flow process, when the frequency of measured signal is not in the frequency range of test cell, band spreading can be passed through
It is tested in frequency of measured signal is transformed into the frequency range of test cell by unit again, thus is being changed without test cell
On the basis of radio-frequency (RF) receiving and transmission module, it is achieved that the measurement to multiple frequency range radiofrequency signal, it is to avoid change the complicated of radio-frequency module
Work, has saved cost of labor and device resource simultaneously.
In order to the technological thought of the present invention is expanded on further, in conjunction with concrete application scenarios as shown in Figure 2, to the present invention
Technical scheme illustrate.
In the application scenarios of Fig. 2, include, test cell 1, band spreading unit 2, host computer (PC) 3, mobile terminal
Equipment 4.
Actual application process is as follows:
The test instruction that host computer (PC) 3 sends to test cell 1, controls wireless device 4 to band spreading unit 2 simultaneously
Send measured signal；
When test cell receives test instruction, first judge measured signal according to the measured signal frequency information in instruction
Frequency whether in its test frequency range, if it was not then send frequency conversion instruction, and reference signal to band spreading unit 2, no
Then, not frequency conversion instruction is sent to band spreading unit 2；
The frequency of measured signal, when receiving frequency conversion instruction, will be transformed into survey according to reference signal by band spreading unit 2
In the test frequency range of examination unit 1, and the reference signal after frequency conversion is sent to test cell 1；
Measured signal, when receiving not frequency conversion instruction, is directly sent to test cell 1 by band spreading unit 2；
Test cell 1 receive measured signal (include through frequency-conversion processing and undressed measured signal), and to it
Test；
After being completed, test cell 1 outputs test result in host computer (PC) 3.
Through the above description of the embodiments, those skilled in the art is it can be understood that can lead to the present invention
Cross hardware to realize, it is also possible to the mode adding necessary general hardware platform by software realizes.Based on such understanding, this
Bright technical scheme can embody with the form of software product, and this software product can be stored in a non-volatile memories
Medium (can be CD-ROM, USB flash disk, portable hard drive etc.) in, including some instructions with so that a computer equipment (can be
Personal computer, server, or the network equipment etc.) each implements the method described in scene to perform the present invention.
In order to reach above technical purpose, the application also proposes the expansion equipment of a kind of communication instrument test frequency range, such as Fig. 3
Described, including: test cell and band spreading unit；
Wherein, described test cell includes:
Receiver module 301, receives the test instruction including measured signal frequency information；
Control module 302, it is judged that whether the frequency of described measured signal is in the test frequency range of described test cell；
Processing module 303, if the frequency of described measured signal is not in the test frequency range of described test cell, then by frequency
The frequency of described measured signal is transformed in the test frequency range of described test cell by section expanding element, and processes the institute after frequency conversion
State measured signal.If the frequency of described measured signal is in the test frequency range of described test cell, then by described band spreading
Described measured signal is sent to described test cell by unit, and processes described measured signal.
In concrete application scenarios, described control module specifically for:
Frequency conversion instruction is sent to described band spreading unit；
Reference signal is sent to described band spreading unit；
For frequency conversion benchmark, the frequency range of described measured signal is changed with described reference signal by described band spreading unit
In the test frequency range of described test instrumentation；
By described band spreading unit, the described measured signal after frequency conversion is sent to described test cell.
In concrete application scenarios, described processing module specifically for:
Test the performance of the described measured signal after described frequency conversion, and output test result.
A kind of expansion equipment of communication instrument test frequency range, including: test cell (1) and band spreading unit (2)；Wherein
Test cell (1) including:
Comprehensive output port (5), described comprehensive output port and the comprehensive input port (8) on described band spreading unit
It is connected；Described comprehensive output port (5) is for sending frequency conversion instruction and reference signal to described band spreading unit；Described comprehensively
Output port (5) is additionally operable to power to described band spreading unit.
In concrete application scenarios, described test cell (1) also includes:
Receiving port (6), described receiving port (6) is connected with the transmission port (9) on host computer；Described receiving port
(6) test sent for receiving host computer instructs and outputs test result to host computer；
Signal input port (7), described signal input port and the signal output port on described band spreading unit
(10) it is connected；The number of the signal output port (10) in the quantity of described signal input port (7) and described band spreading unit
Measure identical；Described signal input port (7) is for receiving the measured signal that described band spreading unit sends.
It should be noted that it can also be multiple that the quantity of above-mentioned signal input port (7) can be one, its quantity can
With according to actual testing requirement flexible configuration.
It will be appreciated by those skilled in the art that accompanying drawing is a schematic diagram being preferable to carry out scene, module in accompanying drawing or
Flow process is not necessarily implemented necessary to the present invention.
It will be appreciated by those skilled in the art that the module in the device implemented in scene can be entered according to implementing scene description
Row is distributed in the device implementing scene, it is also possible to carries out respective change and is disposed other than one or more dresses of this enforcement scene
In putting.The module of above-mentioned enforcement scene can merge into a module, it is also possible to is further split into multiple submodule.
The invention described above sequence number, just to describing, does not represent the quality implementing scene.
The several scenes that are embodied as being only the present invention disclosed above, but, the present invention is not limited to this, Ren Heben
What the technical staff in field can think change all should fall into protection scope of the present invention.
Claims (10)
1. an extended method for communication instrument test frequency range, is applied to include test cell and the equipment of band spreading unit
In, it is characterised in that including:
Described test cell receives the test instruction including measured signal frequency information；
Described test cell judges that the frequency of described measured signal is whether in the test frequency range of described test cell；
If the frequency of described measured signal is not in the test frequency range of described test cell, the most described test cell passes through described frequency
The frequency of described measured signal is transformed in the test frequency range of described test cell by section expanding element, and processes the institute after frequency conversion
State measured signal.
2. the method for claim 1, it is characterised in that also include:
If the frequency of described measured signal is in the test frequency range of described test cell, the most described test cell is by described frequency range
Described measured signal is sent to described test cell by expanding element, and processes described measured signal.
3. the method for claim 1, it is characterised in that described test cell passes through described band spreading unit by described
The frequency of measured signal is transformed in the test frequency range of described test cell, particularly as follows:
Described test cell sends frequency conversion instruction to described band spreading unit；
Described test cell sends reference signal to described band spreading unit；
Described test cell by described band spreading unit with described reference signal for frequency conversion benchmark by described measured signal
Frequency range is transformed in the test frequency range of described test instrumentation；
Described measured signal after frequency conversion is sent to described test cell by described band spreading unit by described test cell.
4. the method as described in any one of claim 1 or 3, it is characterised in that the described measured signal after described process frequency conversion,
Particularly as follows:
Described test cell tests the performance of the described measured signal after described frequency conversion, and outputs test result.
5. an expansion equipment for communication instrument test frequency range, includes test cell and band spreading unit, it is characterised in that
Described test cell includes:
Receiver module, receives the test instruction including measured signal frequency information；
Control module, it is judged that whether the frequency of described measured signal is in the test frequency range of described test cell；
Processing module, if the frequency of described measured signal is not in the test frequency range of described test cell, then passes through band spreading
The frequency of described measured signal is transformed in the test frequency range of described test cell by unit, and process after frequency conversion described to be measured
Signal.
6. equipment as claimed in claim 5, it is characterised in that also include:
Described processing module, if being additionally operable to the frequency of described measured signal in the test frequency range of described test cell, then passes through
Described measured signal is sent to described test cell by described band spreading unit, and processes described measured signal.
7. equipment as claimed in claim 5, it is characterised in that described control module specifically for:
Frequency conversion instruction is sent to described band spreading unit；
Reference signal is sent to described band spreading unit；
For frequency conversion benchmark, the frequency range of described measured signal is transformed into institute with described reference signal by described band spreading unit
State in the test frequency range of test instrumentation；
By described band spreading unit, the described measured signal after frequency conversion is sent to described test cell.
8. equipment as claimed in claim 5, it is characterised in that described processing module specifically for:
Test the performance of the described measured signal after described frequency conversion, and output test result.
9. an expansion equipment for communication instrument test frequency range, includes test cell (1) and band spreading unit (2), and it is special
Levying and be, described test cell (1) including:
Comprehensive output port (5), described comprehensive output port and comprehensive input port (8) phase on described band spreading unit
Even；Described comprehensive output port (5) is for sending frequency conversion instruction and reference signal to described band spreading unit；Described the most defeated
Go out port (5) to be additionally operable to power to described band spreading unit.
10. the equipment described in claim 9, it is characterised in that described test cell (1) also includes:
Receiving port (6), described receiving port (6) is connected with the transmission port (9) on host computer；Described receiving port (6) is used
In receiving the test instruction of host computer transmission and outputing test result to host computer；
Signal input port (7), described signal input port and signal output port (10) phase on described band spreading unit
Even；The quantity of described signal input port (7) is identical with the quantity of the signal output port (10) on described band spreading unit；
Described signal input port (7) is for receiving the measured signal that described band spreading unit sends.
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|---|---|---|---|---|
| WO2021057772A1 (en) * | 2019-09-23 | 2021-04-01 | 华为技术有限公司 | Test method, apparatus and system |
| CN117544251A (en) * | 2024-01-09 | 2024-02-09 | 上海移芯通信科技股份有限公司 | Radio frequency test scheduling system, method, test equipment and server |
| CN117544251B (en) * | 2024-01-09 | 2024-03-22 | 上海移芯通信科技股份有限公司 | Radio frequency test scheduling system, method, test equipment and server |
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